5103 lines
189 KiB
Text
5103 lines
189 KiB
Text
/* BEGIN_HEADER */
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#include <stdint.h>
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#include "mbedtls/asn1.h"
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#include "mbedtls/asn1write.h"
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#include "mbedtls/oid.h"
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#include "psa_crypto_helpers.h"
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/** An invalid export length that will never be set by psa_export_key(). */
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static const size_t INVALID_EXPORT_LENGTH = ~0U;
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/* A hash algorithm that is known to be supported.
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*
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* This is used in some smoke tests.
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*/
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#if defined(MBEDTLS_MD2_C)
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#define KNOWN_SUPPORTED_HASH_ALG PSA_ALG_MD2
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#elif defined(MBEDTLS_MD4_C)
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#define KNOWN_SUPPORTED_HASH_ALG PSA_ALG_MD4
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#elif defined(MBEDTLS_MD5_C)
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#define KNOWN_SUPPORTED_HASH_ALG PSA_ALG_MD5
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/* MBEDTLS_RIPEMD160_C omitted. This is necessary for the sake of
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* exercise_signature_key() because Mbed TLS doesn't support RIPEMD160
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* in RSA PKCS#1v1.5 signatures. A RIPEMD160-only configuration would be
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* implausible anyway. */
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#elif defined(MBEDTLS_SHA1_C)
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#define KNOWN_SUPPORTED_HASH_ALG PSA_ALG_SHA_1
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#elif defined(MBEDTLS_SHA256_C)
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#define KNOWN_SUPPORTED_HASH_ALG PSA_ALG_SHA_256
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#elif defined(MBEDTLS_SHA512_C)
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#define KNOWN_SUPPORTED_HASH_ALG PSA_ALG_SHA_384
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#elif defined(MBEDTLS_SHA3_C)
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#define KNOWN_SUPPORTED_HASH_ALG PSA_ALG_SHA3_256
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#else
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#undef KNOWN_SUPPORTED_HASH_ALG
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#endif
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/* A block cipher that is known to be supported.
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*
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* For simplicity's sake, stick to block ciphers with 16-byte blocks.
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*/
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#if defined(MBEDTLS_AES_C)
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#define KNOWN_SUPPORTED_BLOCK_CIPHER PSA_KEY_TYPE_AES
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#elif defined(MBEDTLS_ARIA_C)
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#define KNOWN_SUPPORTED_BLOCK_CIPHER PSA_KEY_TYPE_ARIA
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#elif defined(MBEDTLS_CAMELLIA_C)
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#define KNOWN_SUPPORTED_BLOCK_CIPHER PSA_KEY_TYPE_CAMELLIA
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#undef KNOWN_SUPPORTED_BLOCK_CIPHER
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#endif
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/* A MAC mode that is known to be supported.
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*
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* It must either be HMAC with #KNOWN_SUPPORTED_HASH_ALG or
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* a block cipher-based MAC with #KNOWN_SUPPORTED_BLOCK_CIPHER.
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*
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* This is used in some smoke tests.
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*/
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#if defined(KNOWN_SUPPORTED_HASH_ALG)
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#define KNOWN_SUPPORTED_MAC_ALG ( PSA_ALG_HMAC( KNOWN_SUPPORTED_HASH_ALG ) )
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#define KNOWN_SUPPORTED_MAC_KEY_TYPE PSA_KEY_TYPE_HMAC
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#elif defined(KNOWN_SUPPORTED_BLOCK_CIPHER) && defined(MBEDTLS_CMAC_C)
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#define KNOWN_SUPPORTED_MAC_ALG PSA_ALG_CMAC
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#define KNOWN_SUPPORTED_MAC_KEY_TYPE KNOWN_SUPPORTED_BLOCK_CIPHER
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#else
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#undef KNOWN_SUPPORTED_MAC_ALG
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#undef KNOWN_SUPPORTED_MAC_KEY_TYPE
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#endif
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/* A cipher algorithm and key type that are known to be supported.
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*
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* This is used in some smoke tests.
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*/
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#if defined(KNOWN_SUPPORTED_BLOCK_CIPHER) && defined(MBEDTLS_CIPHER_MODE_CTR)
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#define KNOWN_SUPPORTED_BLOCK_CIPHER_ALG PSA_ALG_CTR
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#elif defined(KNOWN_SUPPORTED_BLOCK_CIPHER) && defined(MBEDTLS_CIPHER_MODE_CBC)
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#define KNOWN_SUPPORTED_BLOCK_CIPHER_ALG PSA_ALG_CBC_NO_PADDING
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#elif defined(KNOWN_SUPPORTED_BLOCK_CIPHER) && defined(MBEDTLS_CIPHER_MODE_CFB)
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#define KNOWN_SUPPORTED_BLOCK_CIPHER_ALG PSA_ALG_CFB
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#elif defined(KNOWN_SUPPORTED_BLOCK_CIPHER) && defined(MBEDTLS_CIPHER_MODE_OFB)
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#define KNOWN_SUPPORTED_BLOCK_CIPHER_ALG PSA_ALG_OFB
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#else
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#undef KNOWN_SUPPORTED_BLOCK_CIPHER_ALG
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#endif
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#if defined(KNOWN_SUPPORTED_BLOCK_CIPHER_ALG)
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#define KNOWN_SUPPORTED_CIPHER_ALG KNOWN_SUPPORTED_BLOCK_CIPHER_ALG
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#define KNOWN_SUPPORTED_CIPHER_KEY_TYPE KNOWN_SUPPORTED_BLOCK_CIPHER
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#elif defined(MBEDTLS_RC4_C)
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#define KNOWN_SUPPORTED_CIPHER_ALG PSA_ALG_RC4
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#define KNOWN_SUPPORTED_CIPHER_KEY_TYPE PSA_KEY_TYPE_RC4
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#else
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#undef KNOWN_SUPPORTED_CIPHER_ALG
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#undef KNOWN_SUPPORTED_CIPHER_KEY_TYPE
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#endif
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/** Test if a buffer contains a constant byte value.
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*
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* `mem_is_char(buffer, c, size)` is true after `memset(buffer, c, size)`.
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*
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* \param buffer Pointer to the beginning of the buffer.
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* \param c Expected value of every byte.
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* \param size Size of the buffer in bytes.
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*
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* \return 1 if the buffer is all-bits-zero.
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* \return 0 if there is at least one nonzero byte.
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*/
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static int mem_is_char( void *buffer, unsigned char c, size_t size )
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{
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size_t i;
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for( i = 0; i < size; i++ )
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{
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if( ( (unsigned char *) buffer )[i] != c )
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return( 0 );
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}
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return( 1 );
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}
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/* Write the ASN.1 INTEGER with the value 2^(bits-1)+x backwards from *p. */
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static int asn1_write_10x( unsigned char **p,
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unsigned char *start,
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size_t bits,
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unsigned char x )
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{
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int ret;
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int len = bits / 8 + 1;
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if( bits == 0 )
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return( MBEDTLS_ERR_ASN1_INVALID_DATA );
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if( bits <= 8 && x >= 1 << ( bits - 1 ) )
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return( MBEDTLS_ERR_ASN1_INVALID_DATA );
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if( *p < start || *p - start < (ptrdiff_t) len )
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return( MBEDTLS_ERR_ASN1_BUF_TOO_SMALL );
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*p -= len;
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( *p )[len-1] = x;
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if( bits % 8 == 0 )
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( *p )[1] |= 1;
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else
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( *p )[0] |= 1 << ( bits % 8 );
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MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( p, start, len ) );
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MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, start,
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MBEDTLS_ASN1_INTEGER ) );
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return( len );
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}
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static int construct_fake_rsa_key( unsigned char *buffer,
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size_t buffer_size,
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unsigned char **p,
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size_t bits,
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int keypair )
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{
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size_t half_bits = ( bits + 1 ) / 2;
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int ret;
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int len = 0;
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/* Construct something that looks like a DER encoding of
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* as defined by PKCS#1 v2.2 (RFC 8017) section A.1.2:
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* RSAPrivateKey ::= SEQUENCE {
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* version Version,
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* modulus INTEGER, -- n
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* publicExponent INTEGER, -- e
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* privateExponent INTEGER, -- d
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* prime1 INTEGER, -- p
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* prime2 INTEGER, -- q
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* exponent1 INTEGER, -- d mod (p-1)
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* exponent2 INTEGER, -- d mod (q-1)
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* coefficient INTEGER, -- (inverse of q) mod p
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* otherPrimeInfos OtherPrimeInfos OPTIONAL
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* }
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* Or, for a public key, the same structure with only
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* version, modulus and publicExponent.
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*/
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*p = buffer + buffer_size;
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if( keypair )
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{
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MBEDTLS_ASN1_CHK_ADD( len, /* pq */
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asn1_write_10x( p, buffer, half_bits, 1 ) );
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MBEDTLS_ASN1_CHK_ADD( len, /* dq */
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asn1_write_10x( p, buffer, half_bits, 1 ) );
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MBEDTLS_ASN1_CHK_ADD( len, /* dp */
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asn1_write_10x( p, buffer, half_bits, 1 ) );
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MBEDTLS_ASN1_CHK_ADD( len, /* q */
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asn1_write_10x( p, buffer, half_bits, 1 ) );
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MBEDTLS_ASN1_CHK_ADD( len, /* p != q to pass mbedtls sanity checks */
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asn1_write_10x( p, buffer, half_bits, 3 ) );
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MBEDTLS_ASN1_CHK_ADD( len, /* d */
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asn1_write_10x( p, buffer, bits, 1 ) );
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}
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MBEDTLS_ASN1_CHK_ADD( len, /* e = 65537 */
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asn1_write_10x( p, buffer, 17, 1 ) );
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MBEDTLS_ASN1_CHK_ADD( len, /* n */
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asn1_write_10x( p, buffer, bits, 1 ) );
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if( keypair )
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MBEDTLS_ASN1_CHK_ADD( len, /* version = 0 */
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mbedtls_asn1_write_int( p, buffer, 0 ) );
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MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( p, buffer, len ) );
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{
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const unsigned char tag =
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MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE;
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MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, buffer, tag ) );
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}
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return( len );
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}
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int exercise_mac_setup( psa_key_type_t key_type,
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const unsigned char *key_bytes,
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size_t key_length,
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psa_algorithm_t alg,
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psa_mac_operation_t *operation,
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psa_status_t *status )
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{
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psa_key_handle_t handle = 0;
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psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
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psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_SIGN );
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psa_set_key_algorithm( &attributes, alg );
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psa_set_key_type( &attributes, key_type );
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PSA_ASSERT( psa_import_key( &attributes, key_bytes, key_length,
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&handle ) );
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*status = psa_mac_sign_setup( operation, handle, alg );
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/* Whether setup succeeded or failed, abort must succeed. */
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PSA_ASSERT( psa_mac_abort( operation ) );
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/* If setup failed, reproduce the failure, so that the caller can
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* test the resulting state of the operation object. */
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if( *status != PSA_SUCCESS )
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{
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TEST_EQUAL( psa_mac_sign_setup( operation, handle, alg ),
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*status );
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}
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psa_destroy_key( handle );
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return( 1 );
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exit:
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psa_destroy_key( handle );
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return( 0 );
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}
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int exercise_cipher_setup( psa_key_type_t key_type,
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const unsigned char *key_bytes,
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size_t key_length,
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psa_algorithm_t alg,
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psa_cipher_operation_t *operation,
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psa_status_t *status )
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{
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psa_key_handle_t handle = 0;
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psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
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psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_ENCRYPT );
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psa_set_key_algorithm( &attributes, alg );
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psa_set_key_type( &attributes, key_type );
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PSA_ASSERT( psa_import_key( &attributes, key_bytes, key_length,
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&handle ) );
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*status = psa_cipher_encrypt_setup( operation, handle, alg );
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/* Whether setup succeeded or failed, abort must succeed. */
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PSA_ASSERT( psa_cipher_abort( operation ) );
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/* If setup failed, reproduce the failure, so that the caller can
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* test the resulting state of the operation object. */
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if( *status != PSA_SUCCESS )
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{
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TEST_EQUAL( psa_cipher_encrypt_setup( operation, handle, alg ),
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*status );
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}
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psa_destroy_key( handle );
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return( 1 );
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exit:
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psa_destroy_key( handle );
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return( 0 );
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}
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static int exercise_mac_key( psa_key_handle_t handle,
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psa_key_usage_t usage,
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psa_algorithm_t alg )
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{
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psa_mac_operation_t operation = PSA_MAC_OPERATION_INIT;
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const unsigned char input[] = "foo";
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unsigned char mac[PSA_MAC_MAX_SIZE] = {0};
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size_t mac_length = sizeof( mac );
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if( usage & PSA_KEY_USAGE_SIGN )
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{
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PSA_ASSERT( psa_mac_sign_setup( &operation,
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handle, alg ) );
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PSA_ASSERT( psa_mac_update( &operation,
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input, sizeof( input ) ) );
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PSA_ASSERT( psa_mac_sign_finish( &operation,
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mac, sizeof( mac ),
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&mac_length ) );
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}
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if( usage & PSA_KEY_USAGE_VERIFY )
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{
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psa_status_t verify_status =
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( usage & PSA_KEY_USAGE_SIGN ?
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PSA_SUCCESS :
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PSA_ERROR_INVALID_SIGNATURE );
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PSA_ASSERT( psa_mac_verify_setup( &operation,
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handle, alg ) );
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PSA_ASSERT( psa_mac_update( &operation,
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input, sizeof( input ) ) );
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TEST_EQUAL( psa_mac_verify_finish( &operation, mac, mac_length ),
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verify_status );
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}
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return( 1 );
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exit:
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psa_mac_abort( &operation );
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return( 0 );
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}
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static int exercise_cipher_key( psa_key_handle_t handle,
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psa_key_usage_t usage,
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psa_algorithm_t alg )
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{
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psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT;
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unsigned char iv[16] = {0};
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size_t iv_length = sizeof( iv );
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const unsigned char plaintext[16] = "Hello, world...";
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unsigned char ciphertext[32] = "(wabblewebblewibblewobblewubble)";
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size_t ciphertext_length = sizeof( ciphertext );
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unsigned char decrypted[sizeof( ciphertext )];
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size_t part_length;
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if( usage & PSA_KEY_USAGE_ENCRYPT )
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{
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PSA_ASSERT( psa_cipher_encrypt_setup( &operation,
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handle, alg ) );
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PSA_ASSERT( psa_cipher_generate_iv( &operation,
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iv, sizeof( iv ),
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&iv_length ) );
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PSA_ASSERT( psa_cipher_update( &operation,
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plaintext, sizeof( plaintext ),
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ciphertext, sizeof( ciphertext ),
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&ciphertext_length ) );
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PSA_ASSERT( psa_cipher_finish( &operation,
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ciphertext + ciphertext_length,
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sizeof( ciphertext ) - ciphertext_length,
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&part_length ) );
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ciphertext_length += part_length;
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}
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if( usage & PSA_KEY_USAGE_DECRYPT )
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{
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psa_status_t status;
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int maybe_invalid_padding = 0;
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if( ! ( usage & PSA_KEY_USAGE_ENCRYPT ) )
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{
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psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
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PSA_ASSERT( psa_get_key_attributes( handle, &attributes ) );
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/* This should be PSA_CIPHER_GET_IV_SIZE but the API doesn't
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* have this macro yet. */
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iv_length = PSA_BLOCK_CIPHER_BLOCK_SIZE(
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psa_get_key_type( &attributes ) );
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maybe_invalid_padding = ! PSA_ALG_IS_STREAM_CIPHER( alg );
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}
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PSA_ASSERT( psa_cipher_decrypt_setup( &operation,
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handle, alg ) );
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PSA_ASSERT( psa_cipher_set_iv( &operation,
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iv, iv_length ) );
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PSA_ASSERT( psa_cipher_update( &operation,
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ciphertext, ciphertext_length,
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decrypted, sizeof( decrypted ),
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&part_length ) );
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status = psa_cipher_finish( &operation,
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decrypted + part_length,
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sizeof( decrypted ) - part_length,
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&part_length );
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/* For a stream cipher, all inputs are valid. For a block cipher,
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* if the input is some aribtrary data rather than an actual
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ciphertext, a padding error is likely. */
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if( maybe_invalid_padding )
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TEST_ASSERT( status == PSA_SUCCESS ||
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status == PSA_ERROR_INVALID_PADDING );
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else
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PSA_ASSERT( status );
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}
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return( 1 );
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exit:
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psa_cipher_abort( &operation );
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return( 0 );
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}
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static int exercise_aead_key( psa_key_handle_t handle,
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psa_key_usage_t usage,
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psa_algorithm_t alg )
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{
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unsigned char nonce[16] = {0};
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size_t nonce_length = sizeof( nonce );
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unsigned char plaintext[16] = "Hello, world...";
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unsigned char ciphertext[48] = "(wabblewebblewibblewobblewubble)";
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size_t ciphertext_length = sizeof( ciphertext );
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size_t plaintext_length = sizeof( ciphertext );
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if( usage & PSA_KEY_USAGE_ENCRYPT )
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{
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PSA_ASSERT( psa_aead_encrypt( handle, alg,
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nonce, nonce_length,
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NULL, 0,
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plaintext, sizeof( plaintext ),
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ciphertext, sizeof( ciphertext ),
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&ciphertext_length ) );
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}
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if( usage & PSA_KEY_USAGE_DECRYPT )
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{
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psa_status_t verify_status =
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( usage & PSA_KEY_USAGE_ENCRYPT ?
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PSA_SUCCESS :
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PSA_ERROR_INVALID_SIGNATURE );
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TEST_EQUAL( psa_aead_decrypt( handle, alg,
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nonce, nonce_length,
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NULL, 0,
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ciphertext, ciphertext_length,
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plaintext, sizeof( plaintext ),
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&plaintext_length ),
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verify_status );
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}
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return( 1 );
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exit:
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return( 0 );
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}
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static int exercise_signature_key( psa_key_handle_t handle,
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psa_key_usage_t usage,
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psa_algorithm_t alg )
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{
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unsigned char payload[PSA_HASH_MAX_SIZE] = {1};
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size_t payload_length = 16;
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unsigned char signature[PSA_ASYMMETRIC_SIGNATURE_MAX_SIZE] = {0};
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size_t signature_length = sizeof( signature );
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psa_algorithm_t hash_alg = PSA_ALG_SIGN_GET_HASH( alg );
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/* If the policy allows signing with any hash, just pick one. */
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if( PSA_ALG_IS_HASH_AND_SIGN( alg ) && hash_alg == PSA_ALG_ANY_HASH )
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{
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#if defined(KNOWN_SUPPORTED_HASH_ALG)
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hash_alg = KNOWN_SUPPORTED_HASH_ALG;
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alg ^= PSA_ALG_ANY_HASH ^ hash_alg;
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#else
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test_fail( "No hash algorithm for hash-and-sign testing", __LINE__, __FILE__ );
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return( 1 );
|
|
#endif
|
|
}
|
|
|
|
if( usage & PSA_KEY_USAGE_SIGN )
|
|
{
|
|
/* Some algorithms require the payload to have the size of
|
|
* the hash encoded in the algorithm. Use this input size
|
|
* even for algorithms that allow other input sizes. */
|
|
if( hash_alg != 0 )
|
|
payload_length = PSA_HASH_SIZE( hash_alg );
|
|
PSA_ASSERT( psa_asymmetric_sign( handle, alg,
|
|
payload, payload_length,
|
|
signature, sizeof( signature ),
|
|
&signature_length ) );
|
|
}
|
|
|
|
if( usage & PSA_KEY_USAGE_VERIFY )
|
|
{
|
|
psa_status_t verify_status =
|
|
( usage & PSA_KEY_USAGE_SIGN ?
|
|
PSA_SUCCESS :
|
|
PSA_ERROR_INVALID_SIGNATURE );
|
|
TEST_EQUAL( psa_asymmetric_verify( handle, alg,
|
|
payload, payload_length,
|
|
signature, signature_length ),
|
|
verify_status );
|
|
}
|
|
|
|
return( 1 );
|
|
|
|
exit:
|
|
return( 0 );
|
|
}
|
|
|
|
static int exercise_asymmetric_encryption_key( psa_key_handle_t handle,
|
|
psa_key_usage_t usage,
|
|
psa_algorithm_t alg )
|
|
{
|
|
unsigned char plaintext[256] = "Hello, world...";
|
|
unsigned char ciphertext[256] = "(wabblewebblewibblewobblewubble)";
|
|
size_t ciphertext_length = sizeof( ciphertext );
|
|
size_t plaintext_length = 16;
|
|
|
|
if( usage & PSA_KEY_USAGE_ENCRYPT )
|
|
{
|
|
PSA_ASSERT( psa_asymmetric_encrypt( handle, alg,
|
|
plaintext, plaintext_length,
|
|
NULL, 0,
|
|
ciphertext, sizeof( ciphertext ),
|
|
&ciphertext_length ) );
|
|
}
|
|
|
|
if( usage & PSA_KEY_USAGE_DECRYPT )
|
|
{
|
|
psa_status_t status =
|
|
psa_asymmetric_decrypt( handle, alg,
|
|
ciphertext, ciphertext_length,
|
|
NULL, 0,
|
|
plaintext, sizeof( plaintext ),
|
|
&plaintext_length );
|
|
TEST_ASSERT( status == PSA_SUCCESS ||
|
|
( ( usage & PSA_KEY_USAGE_ENCRYPT ) == 0 &&
|
|
( status == PSA_ERROR_INVALID_ARGUMENT ||
|
|
status == PSA_ERROR_INVALID_PADDING ) ) );
|
|
}
|
|
|
|
return( 1 );
|
|
|
|
exit:
|
|
return( 0 );
|
|
}
|
|
|
|
static int setup_key_derivation_wrap( psa_key_derivation_operation_t* operation,
|
|
psa_key_handle_t handle,
|
|
psa_algorithm_t alg,
|
|
unsigned char* input1, size_t input1_length,
|
|
unsigned char* input2, size_t input2_length,
|
|
size_t capacity )
|
|
{
|
|
PSA_ASSERT( psa_key_derivation_setup( operation, alg ) );
|
|
if( PSA_ALG_IS_HKDF( alg ) )
|
|
{
|
|
PSA_ASSERT( psa_key_derivation_input_bytes( operation,
|
|
PSA_KEY_DERIVATION_INPUT_SALT,
|
|
input1, input1_length ) );
|
|
PSA_ASSERT( psa_key_derivation_input_key( operation,
|
|
PSA_KEY_DERIVATION_INPUT_SECRET,
|
|
handle ) );
|
|
PSA_ASSERT( psa_key_derivation_input_bytes( operation,
|
|
PSA_KEY_DERIVATION_INPUT_INFO,
|
|
input2,
|
|
input2_length ) );
|
|
}
|
|
else if( PSA_ALG_IS_TLS12_PRF( alg ) ||
|
|
PSA_ALG_IS_TLS12_PSK_TO_MS( alg ) )
|
|
{
|
|
PSA_ASSERT( psa_key_derivation_input_bytes( operation,
|
|
PSA_KEY_DERIVATION_INPUT_SEED,
|
|
input1, input1_length ) );
|
|
PSA_ASSERT( psa_key_derivation_input_key( operation,
|
|
PSA_KEY_DERIVATION_INPUT_SECRET,
|
|
handle ) );
|
|
PSA_ASSERT( psa_key_derivation_input_bytes( operation,
|
|
PSA_KEY_DERIVATION_INPUT_LABEL,
|
|
input2, input2_length ) );
|
|
}
|
|
else
|
|
{
|
|
TEST_ASSERT( ! "Key derivation algorithm not supported" );
|
|
}
|
|
|
|
PSA_ASSERT( psa_key_derivation_set_capacity( operation, capacity ) );
|
|
|
|
return( 1 );
|
|
|
|
exit:
|
|
return( 0 );
|
|
}
|
|
|
|
|
|
static int exercise_key_derivation_key( psa_key_handle_t handle,
|
|
psa_key_usage_t usage,
|
|
psa_algorithm_t alg )
|
|
{
|
|
psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
|
|
unsigned char input1[] = "Input 1";
|
|
size_t input1_length = sizeof( input1 );
|
|
unsigned char input2[] = "Input 2";
|
|
size_t input2_length = sizeof( input2 );
|
|
unsigned char output[1];
|
|
size_t capacity = sizeof( output );
|
|
|
|
if( usage & PSA_KEY_USAGE_DERIVE )
|
|
{
|
|
if( !setup_key_derivation_wrap( &operation, handle, alg,
|
|
input1, input1_length,
|
|
input2, input2_length, capacity ) )
|
|
goto exit;
|
|
|
|
PSA_ASSERT( psa_key_derivation_output_bytes( &operation,
|
|
output,
|
|
capacity ) );
|
|
PSA_ASSERT( psa_key_derivation_abort( &operation ) );
|
|
}
|
|
|
|
return( 1 );
|
|
|
|
exit:
|
|
return( 0 );
|
|
}
|
|
|
|
/* We need two keys to exercise key agreement. Exercise the
|
|
* private key against its own public key. */
|
|
static psa_status_t key_agreement_with_self(
|
|
psa_key_derivation_operation_t *operation,
|
|
psa_key_handle_t handle )
|
|
{
|
|
psa_key_type_t private_key_type;
|
|
psa_key_type_t public_key_type;
|
|
size_t key_bits;
|
|
uint8_t *public_key = NULL;
|
|
size_t public_key_length;
|
|
/* Return GENERIC_ERROR if something other than the final call to
|
|
* psa_key_derivation_key_agreement fails. This isn't fully satisfactory,
|
|
* but it's good enough: callers will report it as a failed test anyway. */
|
|
psa_status_t status = PSA_ERROR_GENERIC_ERROR;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
|
|
PSA_ASSERT( psa_get_key_attributes( handle, &attributes ) );
|
|
private_key_type = psa_get_key_type( &attributes );
|
|
key_bits = psa_get_key_bits( &attributes );
|
|
public_key_type = PSA_KEY_TYPE_PUBLIC_KEY_OF_KEY_PAIR( private_key_type );
|
|
public_key_length = PSA_KEY_EXPORT_MAX_SIZE( public_key_type, key_bits );
|
|
ASSERT_ALLOC( public_key, public_key_length );
|
|
PSA_ASSERT( psa_export_public_key( handle,
|
|
public_key, public_key_length,
|
|
&public_key_length ) );
|
|
|
|
status = psa_key_derivation_key_agreement(
|
|
operation, PSA_KEY_DERIVATION_INPUT_SECRET, handle,
|
|
public_key, public_key_length );
|
|
exit:
|
|
mbedtls_free( public_key );
|
|
psa_reset_key_attributes( &attributes );
|
|
return( status );
|
|
}
|
|
|
|
/* We need two keys to exercise key agreement. Exercise the
|
|
* private key against its own public key. */
|
|
static psa_status_t raw_key_agreement_with_self( psa_algorithm_t alg,
|
|
psa_key_handle_t handle )
|
|
{
|
|
psa_key_type_t private_key_type;
|
|
psa_key_type_t public_key_type;
|
|
size_t key_bits;
|
|
uint8_t *public_key = NULL;
|
|
size_t public_key_length;
|
|
uint8_t output[1024];
|
|
size_t output_length;
|
|
/* Return GENERIC_ERROR if something other than the final call to
|
|
* psa_key_derivation_key_agreement fails. This isn't fully satisfactory,
|
|
* but it's good enough: callers will report it as a failed test anyway. */
|
|
psa_status_t status = PSA_ERROR_GENERIC_ERROR;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
|
|
PSA_ASSERT( psa_get_key_attributes( handle, &attributes ) );
|
|
private_key_type = psa_get_key_type( &attributes );
|
|
key_bits = psa_get_key_bits( &attributes );
|
|
public_key_type = PSA_KEY_TYPE_PUBLIC_KEY_OF_KEY_PAIR( private_key_type );
|
|
public_key_length = PSA_KEY_EXPORT_MAX_SIZE( public_key_type, key_bits );
|
|
ASSERT_ALLOC( public_key, public_key_length );
|
|
PSA_ASSERT( psa_export_public_key( handle,
|
|
public_key, public_key_length,
|
|
&public_key_length ) );
|
|
|
|
status = psa_raw_key_agreement( alg, handle,
|
|
public_key, public_key_length,
|
|
output, sizeof( output ), &output_length );
|
|
exit:
|
|
mbedtls_free( public_key );
|
|
psa_reset_key_attributes( &attributes );
|
|
return( status );
|
|
}
|
|
|
|
static int exercise_raw_key_agreement_key( psa_key_handle_t handle,
|
|
psa_key_usage_t usage,
|
|
psa_algorithm_t alg )
|
|
{
|
|
int ok = 0;
|
|
|
|
if( usage & PSA_KEY_USAGE_DERIVE )
|
|
{
|
|
/* We need two keys to exercise key agreement. Exercise the
|
|
* private key against its own public key. */
|
|
PSA_ASSERT( raw_key_agreement_with_self( alg, handle ) );
|
|
}
|
|
ok = 1;
|
|
|
|
exit:
|
|
return( ok );
|
|
}
|
|
|
|
static int exercise_key_agreement_key( psa_key_handle_t handle,
|
|
psa_key_usage_t usage,
|
|
psa_algorithm_t alg )
|
|
{
|
|
psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
|
|
unsigned char output[1];
|
|
int ok = 0;
|
|
|
|
if( usage & PSA_KEY_USAGE_DERIVE )
|
|
{
|
|
/* We need two keys to exercise key agreement. Exercise the
|
|
* private key against its own public key. */
|
|
PSA_ASSERT( psa_key_derivation_setup( &operation, alg ) );
|
|
PSA_ASSERT( key_agreement_with_self( &operation, handle ) );
|
|
PSA_ASSERT( psa_key_derivation_output_bytes( &operation,
|
|
output,
|
|
sizeof( output ) ) );
|
|
PSA_ASSERT( psa_key_derivation_abort( &operation ) );
|
|
}
|
|
ok = 1;
|
|
|
|
exit:
|
|
return( ok );
|
|
}
|
|
|
|
static int asn1_skip_integer( unsigned char **p, const unsigned char *end,
|
|
size_t min_bits, size_t max_bits,
|
|
int must_be_odd )
|
|
{
|
|
size_t len;
|
|
size_t actual_bits;
|
|
unsigned char msb;
|
|
TEST_EQUAL( mbedtls_asn1_get_tag( p, end, &len,
|
|
MBEDTLS_ASN1_INTEGER ),
|
|
0 );
|
|
/* Tolerate a slight departure from DER encoding:
|
|
* - 0 may be represented by an empty string or a 1-byte string.
|
|
* - The sign bit may be used as a value bit. */
|
|
if( ( len == 1 && ( *p )[0] == 0 ) ||
|
|
( len > 1 && ( *p )[0] == 0 && ( ( *p )[1] & 0x80 ) != 0 ) )
|
|
{
|
|
++( *p );
|
|
--len;
|
|
}
|
|
if( min_bits == 0 && len == 0 )
|
|
return( 1 );
|
|
msb = ( *p )[0];
|
|
TEST_ASSERT( msb != 0 );
|
|
actual_bits = 8 * ( len - 1 );
|
|
while( msb != 0 )
|
|
{
|
|
msb >>= 1;
|
|
++actual_bits;
|
|
}
|
|
TEST_ASSERT( actual_bits >= min_bits );
|
|
TEST_ASSERT( actual_bits <= max_bits );
|
|
if( must_be_odd )
|
|
TEST_ASSERT( ( ( *p )[len-1] & 1 ) != 0 );
|
|
*p += len;
|
|
return( 1 );
|
|
exit:
|
|
return( 0 );
|
|
}
|
|
|
|
static int exported_key_sanity_check( psa_key_type_t type, size_t bits,
|
|
uint8_t *exported, size_t exported_length )
|
|
{
|
|
if( PSA_KEY_TYPE_IS_UNSTRUCTURED( type ) )
|
|
TEST_EQUAL( exported_length, ( bits + 7 ) / 8 );
|
|
else
|
|
TEST_ASSERT( exported_length <= PSA_KEY_EXPORT_MAX_SIZE( type, bits ) );
|
|
|
|
#if defined(MBEDTLS_DES_C)
|
|
if( type == PSA_KEY_TYPE_DES )
|
|
{
|
|
/* Check the parity bits. */
|
|
unsigned i;
|
|
for( i = 0; i < bits / 8; i++ )
|
|
{
|
|
unsigned bit_count = 0;
|
|
unsigned m;
|
|
for( m = 1; m <= 0x100; m <<= 1 )
|
|
{
|
|
if( exported[i] & m )
|
|
++bit_count;
|
|
}
|
|
TEST_ASSERT( bit_count % 2 != 0 );
|
|
}
|
|
}
|
|
else
|
|
#endif
|
|
|
|
#if defined(MBEDTLS_RSA_C) && defined(MBEDTLS_PK_PARSE_C)
|
|
if( type == PSA_KEY_TYPE_RSA_KEY_PAIR )
|
|
{
|
|
uint8_t *p = exported;
|
|
uint8_t *end = exported + exported_length;
|
|
size_t len;
|
|
/* RSAPrivateKey ::= SEQUENCE {
|
|
* version INTEGER, -- must be 0
|
|
* modulus INTEGER, -- n
|
|
* publicExponent INTEGER, -- e
|
|
* privateExponent INTEGER, -- d
|
|
* prime1 INTEGER, -- p
|
|
* prime2 INTEGER, -- q
|
|
* exponent1 INTEGER, -- d mod (p-1)
|
|
* exponent2 INTEGER, -- d mod (q-1)
|
|
* coefficient INTEGER, -- (inverse of q) mod p
|
|
* }
|
|
*/
|
|
TEST_EQUAL( mbedtls_asn1_get_tag( &p, end, &len,
|
|
MBEDTLS_ASN1_SEQUENCE |
|
|
MBEDTLS_ASN1_CONSTRUCTED ), 0 );
|
|
TEST_EQUAL( p + len, end );
|
|
if( ! asn1_skip_integer( &p, end, 0, 0, 0 ) )
|
|
goto exit;
|
|
if( ! asn1_skip_integer( &p, end, bits, bits, 1 ) )
|
|
goto exit;
|
|
if( ! asn1_skip_integer( &p, end, 2, bits, 1 ) )
|
|
goto exit;
|
|
/* Require d to be at least half the size of n. */
|
|
if( ! asn1_skip_integer( &p, end, bits / 2, bits, 1 ) )
|
|
goto exit;
|
|
/* Require p and q to be at most half the size of n, rounded up. */
|
|
if( ! asn1_skip_integer( &p, end, bits / 2, bits / 2 + 1, 1 ) )
|
|
goto exit;
|
|
if( ! asn1_skip_integer( &p, end, bits / 2, bits / 2 + 1, 1 ) )
|
|
goto exit;
|
|
if( ! asn1_skip_integer( &p, end, 1, bits / 2 + 1, 0 ) )
|
|
goto exit;
|
|
if( ! asn1_skip_integer( &p, end, 1, bits / 2 + 1, 0 ) )
|
|
goto exit;
|
|
if( ! asn1_skip_integer( &p, end, 1, bits / 2 + 1, 0 ) )
|
|
goto exit;
|
|
TEST_EQUAL( p, end );
|
|
}
|
|
else
|
|
#endif /* MBEDTLS_RSA_C */
|
|
|
|
#if defined(MBEDTLS_ECP_C)
|
|
if( PSA_KEY_TYPE_IS_ECC_KEY_PAIR( type ) )
|
|
{
|
|
/* Just the secret value */
|
|
TEST_EQUAL( exported_length, PSA_BITS_TO_BYTES( bits ) );
|
|
}
|
|
else
|
|
#endif /* MBEDTLS_ECP_C */
|
|
|
|
if( PSA_KEY_TYPE_IS_PUBLIC_KEY( type ) )
|
|
{
|
|
uint8_t *p = exported;
|
|
uint8_t *end = exported + exported_length;
|
|
size_t len;
|
|
#if defined(MBEDTLS_RSA_C)
|
|
if( type == PSA_KEY_TYPE_RSA_PUBLIC_KEY )
|
|
{
|
|
/* RSAPublicKey ::= SEQUENCE {
|
|
* modulus INTEGER, -- n
|
|
* publicExponent INTEGER } -- e
|
|
*/
|
|
TEST_EQUAL( mbedtls_asn1_get_tag( &p, end, &len,
|
|
MBEDTLS_ASN1_SEQUENCE |
|
|
MBEDTLS_ASN1_CONSTRUCTED ),
|
|
0 );
|
|
TEST_EQUAL( p + len, end );
|
|
if( ! asn1_skip_integer( &p, end, bits, bits, 1 ) )
|
|
goto exit;
|
|
if( ! asn1_skip_integer( &p, end, 2, bits, 1 ) )
|
|
goto exit;
|
|
TEST_EQUAL( p, end );
|
|
}
|
|
else
|
|
#endif /* MBEDTLS_RSA_C */
|
|
#if defined(MBEDTLS_ECP_C)
|
|
if( PSA_KEY_TYPE_IS_ECC_PUBLIC_KEY( type ) )
|
|
{
|
|
/* The representation of an ECC public key is:
|
|
* - The byte 0x04;
|
|
* - `x_P` as a `ceiling(m/8)`-byte string, big-endian;
|
|
* - `y_P` as a `ceiling(m/8)`-byte string, big-endian;
|
|
* - where m is the bit size associated with the curve.
|
|
*/
|
|
TEST_EQUAL( p + 1 + 2 * PSA_BITS_TO_BYTES( bits ), end );
|
|
TEST_EQUAL( p[0], 4 );
|
|
}
|
|
else
|
|
#endif /* MBEDTLS_ECP_C */
|
|
{
|
|
char message[47];
|
|
mbedtls_snprintf( message, sizeof( message ),
|
|
"No sanity check for public key type=0x%08lx",
|
|
(unsigned long) type );
|
|
test_fail( message, __LINE__, __FILE__ );
|
|
return( 0 );
|
|
}
|
|
}
|
|
else
|
|
|
|
{
|
|
/* No sanity checks for other types */
|
|
}
|
|
|
|
return( 1 );
|
|
|
|
exit:
|
|
return( 0 );
|
|
}
|
|
|
|
static int exercise_export_key( psa_key_handle_t handle,
|
|
psa_key_usage_t usage )
|
|
{
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
uint8_t *exported = NULL;
|
|
size_t exported_size = 0;
|
|
size_t exported_length = 0;
|
|
int ok = 0;
|
|
|
|
PSA_ASSERT( psa_get_key_attributes( handle, &attributes ) );
|
|
|
|
if( ( usage & PSA_KEY_USAGE_EXPORT ) == 0 &&
|
|
! PSA_KEY_TYPE_IS_PUBLIC_KEY( psa_get_key_type( &attributes ) ) )
|
|
{
|
|
TEST_EQUAL( psa_export_key( handle, NULL, 0, &exported_length ),
|
|
PSA_ERROR_NOT_PERMITTED );
|
|
ok = 1;
|
|
goto exit;
|
|
}
|
|
|
|
exported_size = PSA_KEY_EXPORT_MAX_SIZE( psa_get_key_type( &attributes ),
|
|
psa_get_key_bits( &attributes ) );
|
|
ASSERT_ALLOC( exported, exported_size );
|
|
|
|
PSA_ASSERT( psa_export_key( handle,
|
|
exported, exported_size,
|
|
&exported_length ) );
|
|
ok = exported_key_sanity_check( psa_get_key_type( &attributes ),
|
|
psa_get_key_bits( &attributes ),
|
|
exported, exported_length );
|
|
|
|
exit:
|
|
mbedtls_free( exported );
|
|
psa_reset_key_attributes( &attributes );
|
|
return( ok );
|
|
}
|
|
|
|
static int exercise_export_public_key( psa_key_handle_t handle )
|
|
{
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_key_type_t public_type;
|
|
uint8_t *exported = NULL;
|
|
size_t exported_size = 0;
|
|
size_t exported_length = 0;
|
|
int ok = 0;
|
|
|
|
PSA_ASSERT( psa_get_key_attributes( handle, &attributes ) );
|
|
if( ! PSA_KEY_TYPE_IS_ASYMMETRIC( psa_get_key_type( &attributes ) ) )
|
|
{
|
|
TEST_EQUAL( psa_export_public_key( handle, NULL, 0, &exported_length ),
|
|
PSA_ERROR_INVALID_ARGUMENT );
|
|
return( 1 );
|
|
}
|
|
|
|
public_type = PSA_KEY_TYPE_PUBLIC_KEY_OF_KEY_PAIR(
|
|
psa_get_key_type( &attributes ) );
|
|
exported_size = PSA_KEY_EXPORT_MAX_SIZE( public_type,
|
|
psa_get_key_bits( &attributes ) );
|
|
ASSERT_ALLOC( exported, exported_size );
|
|
|
|
PSA_ASSERT( psa_export_public_key( handle,
|
|
exported, exported_size,
|
|
&exported_length ) );
|
|
ok = exported_key_sanity_check( public_type,
|
|
psa_get_key_bits( &attributes ),
|
|
exported, exported_length );
|
|
|
|
exit:
|
|
mbedtls_free( exported );
|
|
psa_reset_key_attributes( &attributes );
|
|
return( ok );
|
|
}
|
|
|
|
/** Do smoke tests on a key.
|
|
*
|
|
* Perform one of each operation indicated by \p alg (decrypt/encrypt,
|
|
* sign/verify, or derivation) that is permitted according to \p usage.
|
|
* \p usage and \p alg should correspond to the expected policy on the
|
|
* key.
|
|
*
|
|
* Export the key if permitted by \p usage, and check that the output
|
|
* looks sensible. If \p usage forbids export, check that
|
|
* \p psa_export_key correctly rejects the attempt. If the key is
|
|
* asymmetric, also check \p psa_export_public_key.
|
|
*
|
|
* If the key fails the tests, this function calls the test framework's
|
|
* `test_fail` function and returns false. Otherwise this function returns
|
|
* true. Therefore it should be used as follows:
|
|
* ```
|
|
* if( ! exercise_key( ... ) ) goto exit;
|
|
* ```
|
|
*
|
|
* \param handle The key to exercise. It should be capable of performing
|
|
* \p alg.
|
|
* \param usage The usage flags to assume.
|
|
* \param alg The algorithm to exercise.
|
|
*
|
|
* \retval 0 The key failed the smoke tests.
|
|
* \retval 1 The key passed the smoke tests.
|
|
*/
|
|
static int exercise_key( psa_key_handle_t handle,
|
|
psa_key_usage_t usage,
|
|
psa_algorithm_t alg )
|
|
{
|
|
int ok;
|
|
if( alg == 0 )
|
|
ok = 1; /* If no algorihm, do nothing (used for raw data "keys"). */
|
|
else if( PSA_ALG_IS_MAC( alg ) )
|
|
ok = exercise_mac_key( handle, usage, alg );
|
|
else if( PSA_ALG_IS_CIPHER( alg ) )
|
|
ok = exercise_cipher_key( handle, usage, alg );
|
|
else if( PSA_ALG_IS_AEAD( alg ) )
|
|
ok = exercise_aead_key( handle, usage, alg );
|
|
else if( PSA_ALG_IS_SIGN( alg ) )
|
|
ok = exercise_signature_key( handle, usage, alg );
|
|
else if( PSA_ALG_IS_ASYMMETRIC_ENCRYPTION( alg ) )
|
|
ok = exercise_asymmetric_encryption_key( handle, usage, alg );
|
|
else if( PSA_ALG_IS_KEY_DERIVATION( alg ) )
|
|
ok = exercise_key_derivation_key( handle, usage, alg );
|
|
else if( PSA_ALG_IS_RAW_KEY_AGREEMENT( alg ) )
|
|
ok = exercise_raw_key_agreement_key( handle, usage, alg );
|
|
else if( PSA_ALG_IS_KEY_AGREEMENT( alg ) )
|
|
ok = exercise_key_agreement_key( handle, usage, alg );
|
|
else
|
|
{
|
|
char message[40];
|
|
mbedtls_snprintf( message, sizeof( message ),
|
|
"No code to exercise alg=0x%08lx",
|
|
(unsigned long) alg );
|
|
test_fail( message, __LINE__, __FILE__ );
|
|
ok = 0;
|
|
}
|
|
|
|
ok = ok && exercise_export_key( handle, usage );
|
|
ok = ok && exercise_export_public_key( handle );
|
|
|
|
return( ok );
|
|
}
|
|
|
|
static psa_key_usage_t usage_to_exercise( psa_key_type_t type,
|
|
psa_algorithm_t alg )
|
|
{
|
|
if( PSA_ALG_IS_MAC( alg ) || PSA_ALG_IS_SIGN( alg ) )
|
|
{
|
|
return( PSA_KEY_TYPE_IS_PUBLIC_KEY( type ) ?
|
|
PSA_KEY_USAGE_VERIFY :
|
|
PSA_KEY_USAGE_SIGN | PSA_KEY_USAGE_VERIFY );
|
|
}
|
|
else if( PSA_ALG_IS_CIPHER( alg ) || PSA_ALG_IS_AEAD( alg ) ||
|
|
PSA_ALG_IS_ASYMMETRIC_ENCRYPTION( alg ) )
|
|
{
|
|
return( PSA_KEY_TYPE_IS_PUBLIC_KEY( type ) ?
|
|
PSA_KEY_USAGE_ENCRYPT :
|
|
PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT );
|
|
}
|
|
else if( PSA_ALG_IS_KEY_DERIVATION( alg ) ||
|
|
PSA_ALG_IS_KEY_AGREEMENT( alg ) )
|
|
{
|
|
return( PSA_KEY_USAGE_DERIVE );
|
|
}
|
|
else
|
|
{
|
|
return( 0 );
|
|
}
|
|
|
|
}
|
|
|
|
static int test_operations_on_invalid_handle( psa_key_handle_t handle )
|
|
{
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
uint8_t buffer[1];
|
|
size_t length;
|
|
int ok = 0;
|
|
|
|
psa_set_key_id( &attributes, 0x6964 );
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_ENCRYPT );
|
|
psa_set_key_algorithm( &attributes, PSA_ALG_CTR );
|
|
psa_set_key_type( &attributes, PSA_KEY_TYPE_AES );
|
|
TEST_EQUAL( psa_get_key_attributes( handle, &attributes ),
|
|
PSA_ERROR_INVALID_HANDLE );
|
|
TEST_EQUAL( psa_get_key_id( &attributes ), 0 );
|
|
TEST_EQUAL( psa_get_key_lifetime( &attributes ), 0 );
|
|
TEST_EQUAL( psa_get_key_usage_flags( &attributes ), 0 );
|
|
TEST_EQUAL( psa_get_key_algorithm( &attributes ), 0 );
|
|
TEST_EQUAL( psa_get_key_type( &attributes ), 0 );
|
|
TEST_EQUAL( psa_get_key_bits( &attributes ), 0 );
|
|
|
|
TEST_EQUAL( psa_export_key( handle,
|
|
buffer, sizeof( buffer ), &length ),
|
|
PSA_ERROR_INVALID_HANDLE );
|
|
TEST_EQUAL( psa_export_public_key( handle,
|
|
buffer, sizeof( buffer ), &length ),
|
|
PSA_ERROR_INVALID_HANDLE );
|
|
|
|
TEST_EQUAL( psa_close_key( handle ), PSA_ERROR_INVALID_HANDLE );
|
|
TEST_EQUAL( psa_destroy_key( handle ), PSA_ERROR_INVALID_HANDLE );
|
|
|
|
ok = 1;
|
|
|
|
exit:
|
|
psa_reset_key_attributes( &attributes );
|
|
return( ok );
|
|
}
|
|
|
|
/* An overapproximation of the amount of storage needed for a key of the
|
|
* given type and with the given content. The API doesn't make it easy
|
|
* to find a good value for the size. The current implementation doesn't
|
|
* care about the value anyway. */
|
|
#define KEY_BITS_FROM_DATA( type, data ) \
|
|
( data )->len
|
|
|
|
typedef enum {
|
|
IMPORT_KEY = 0,
|
|
GENERATE_KEY = 1,
|
|
DERIVE_KEY = 2
|
|
} generate_method;
|
|
|
|
/* END_HEADER */
|
|
|
|
/* BEGIN_DEPENDENCIES
|
|
* depends_on:MBEDTLS_PSA_CRYPTO_C
|
|
* END_DEPENDENCIES
|
|
*/
|
|
|
|
/* BEGIN_CASE */
|
|
void static_checks( )
|
|
{
|
|
size_t max_truncated_mac_size =
|
|
PSA_ALG_MAC_TRUNCATION_MASK >> PSA_MAC_TRUNCATION_OFFSET;
|
|
|
|
/* Check that the length for a truncated MAC always fits in the algorithm
|
|
* encoding. The shifted mask is the maximum truncated value. The
|
|
* untruncated algorithm may be one byte larger. */
|
|
TEST_ASSERT( PSA_MAC_MAX_SIZE <= 1 + max_truncated_mac_size );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void attributes_set_get( int id_arg, int lifetime_arg,
|
|
int usage_flags_arg, int alg_arg,
|
|
int type_arg, int bits_arg )
|
|
{
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_key_id_t id = id_arg;
|
|
psa_key_lifetime_t lifetime = lifetime_arg;
|
|
psa_key_usage_t usage_flags = usage_flags_arg;
|
|
psa_algorithm_t alg = alg_arg;
|
|
psa_key_type_t type = type_arg;
|
|
size_t bits = bits_arg;
|
|
|
|
TEST_EQUAL( psa_get_key_id( &attributes ), 0 );
|
|
TEST_EQUAL( psa_get_key_lifetime( &attributes ), 0 );
|
|
TEST_EQUAL( psa_get_key_usage_flags( &attributes ), 0 );
|
|
TEST_EQUAL( psa_get_key_algorithm( &attributes ), 0 );
|
|
TEST_EQUAL( psa_get_key_type( &attributes ), 0 );
|
|
TEST_EQUAL( psa_get_key_bits( &attributes ), 0 );
|
|
|
|
psa_set_key_id( &attributes, id );
|
|
psa_set_key_lifetime( &attributes, lifetime );
|
|
psa_set_key_usage_flags( &attributes, usage_flags );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, type );
|
|
psa_set_key_bits( &attributes, bits );
|
|
|
|
TEST_EQUAL( psa_get_key_id( &attributes ), id );
|
|
TEST_EQUAL( psa_get_key_lifetime( &attributes ), lifetime );
|
|
TEST_EQUAL( psa_get_key_usage_flags( &attributes ), usage_flags );
|
|
TEST_EQUAL( psa_get_key_algorithm( &attributes ), alg );
|
|
TEST_EQUAL( psa_get_key_type( &attributes ), type );
|
|
TEST_EQUAL( psa_get_key_bits( &attributes ), bits );
|
|
|
|
psa_reset_key_attributes( &attributes );
|
|
|
|
TEST_EQUAL( psa_get_key_id( &attributes ), 0 );
|
|
TEST_EQUAL( psa_get_key_lifetime( &attributes ), 0 );
|
|
TEST_EQUAL( psa_get_key_usage_flags( &attributes ), 0 );
|
|
TEST_EQUAL( psa_get_key_algorithm( &attributes ), 0 );
|
|
TEST_EQUAL( psa_get_key_type( &attributes ), 0 );
|
|
TEST_EQUAL( psa_get_key_bits( &attributes ), 0 );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void persistence_attributes( int id1_arg, int lifetime_arg, int id2_arg,
|
|
int expected_id_arg, int expected_lifetime_arg )
|
|
{
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_key_id_t id1 = id1_arg;
|
|
psa_key_lifetime_t lifetime = lifetime_arg;
|
|
psa_key_id_t id2 = id2_arg;
|
|
psa_key_id_t expected_id = expected_id_arg;
|
|
psa_key_lifetime_t expected_lifetime = expected_lifetime_arg;
|
|
|
|
if( id1_arg != -1 )
|
|
psa_set_key_id( &attributes, id1 );
|
|
if( lifetime_arg != -1 )
|
|
psa_set_key_lifetime( &attributes, lifetime );
|
|
if( id2_arg != -1 )
|
|
psa_set_key_id( &attributes, id2 );
|
|
|
|
TEST_EQUAL( psa_get_key_id( &attributes ), expected_id );
|
|
TEST_EQUAL( psa_get_key_lifetime( &attributes ), expected_lifetime );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void import( data_t *data, int type_arg,
|
|
int attr_bits_arg,
|
|
int expected_status_arg )
|
|
{
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_key_attributes_t got_attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_type_t type = type_arg;
|
|
size_t attr_bits = attr_bits_arg;
|
|
psa_status_t expected_status = expected_status_arg;
|
|
psa_status_t status;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_type( &attributes, type );
|
|
psa_set_key_bits( &attributes, attr_bits );
|
|
status = psa_import_key( &attributes, data->x, data->len, &handle );
|
|
TEST_EQUAL( status, expected_status );
|
|
if( status != PSA_SUCCESS )
|
|
goto exit;
|
|
|
|
PSA_ASSERT( psa_get_key_attributes( handle, &got_attributes ) );
|
|
TEST_EQUAL( psa_get_key_type( &got_attributes ), type );
|
|
if( attr_bits != 0 )
|
|
TEST_EQUAL( attr_bits, got_attributes.bits );
|
|
|
|
PSA_ASSERT( psa_destroy_key( handle ) );
|
|
test_operations_on_invalid_handle( handle );
|
|
|
|
exit:
|
|
psa_destroy_key( handle );
|
|
psa_reset_key_attributes( &got_attributes );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void import_rsa_made_up( int bits_arg, int keypair, int expected_status_arg )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
size_t bits = bits_arg;
|
|
psa_status_t expected_status = expected_status_arg;
|
|
psa_status_t status;
|
|
psa_key_type_t type =
|
|
keypair ? PSA_KEY_TYPE_RSA_KEY_PAIR : PSA_KEY_TYPE_RSA_PUBLIC_KEY;
|
|
size_t buffer_size = /* Slight overapproximations */
|
|
keypair ? bits * 9 / 16 + 80 : bits / 8 + 20;
|
|
unsigned char *buffer = NULL;
|
|
unsigned char *p;
|
|
int ret;
|
|
size_t length;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
ASSERT_ALLOC( buffer, buffer_size );
|
|
|
|
TEST_ASSERT( ( ret = construct_fake_rsa_key( buffer, buffer_size, &p,
|
|
bits, keypair ) ) >= 0 );
|
|
length = ret;
|
|
|
|
/* Try importing the key */
|
|
psa_set_key_type( &attributes, type );
|
|
status = psa_import_key( &attributes, p, length, &handle );
|
|
TEST_EQUAL( status, expected_status );
|
|
|
|
if( status == PSA_SUCCESS )
|
|
PSA_ASSERT( psa_destroy_key( handle ) );
|
|
|
|
exit:
|
|
mbedtls_free( buffer );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void import_export( data_t *data,
|
|
int type_arg,
|
|
int usage_arg, int alg_arg,
|
|
int expected_bits,
|
|
int export_size_delta,
|
|
int expected_export_status_arg,
|
|
int canonical_input )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_type_t type = type_arg;
|
|
psa_algorithm_t alg = alg_arg;
|
|
psa_status_t expected_export_status = expected_export_status_arg;
|
|
psa_status_t status;
|
|
unsigned char *exported = NULL;
|
|
unsigned char *reexported = NULL;
|
|
size_t export_size;
|
|
size_t exported_length = INVALID_EXPORT_LENGTH;
|
|
size_t reexported_length;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_key_attributes_t got_attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
|
|
export_size = (ptrdiff_t) data->len + export_size_delta;
|
|
ASSERT_ALLOC( exported, export_size );
|
|
if( ! canonical_input )
|
|
ASSERT_ALLOC( reexported, export_size );
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, usage_arg );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, type );
|
|
|
|
/* Import the key */
|
|
PSA_ASSERT( psa_import_key( &attributes, data->x, data->len, &handle ) );
|
|
|
|
/* Test the key information */
|
|
PSA_ASSERT( psa_get_key_attributes( handle, &got_attributes ) );
|
|
TEST_EQUAL( psa_get_key_type( &got_attributes ), type );
|
|
TEST_EQUAL( psa_get_key_bits( &got_attributes ), (size_t) expected_bits );
|
|
|
|
/* Export the key */
|
|
status = psa_export_key( handle,
|
|
exported, export_size,
|
|
&exported_length );
|
|
TEST_EQUAL( status, expected_export_status );
|
|
|
|
/* The exported length must be set by psa_export_key() to a value between 0
|
|
* and export_size. On errors, the exported length must be 0. */
|
|
TEST_ASSERT( exported_length != INVALID_EXPORT_LENGTH );
|
|
TEST_ASSERT( status == PSA_SUCCESS || exported_length == 0 );
|
|
TEST_ASSERT( exported_length <= export_size );
|
|
|
|
TEST_ASSERT( mem_is_char( exported + exported_length, 0,
|
|
export_size - exported_length ) );
|
|
if( status != PSA_SUCCESS )
|
|
{
|
|
TEST_EQUAL( exported_length, 0 );
|
|
goto destroy;
|
|
}
|
|
|
|
if( ! exercise_export_key( handle, usage_arg ) )
|
|
goto exit;
|
|
|
|
if( canonical_input )
|
|
ASSERT_COMPARE( data->x, data->len, exported, exported_length );
|
|
else
|
|
{
|
|
psa_key_handle_t handle2;
|
|
PSA_ASSERT( psa_import_key( &attributes, exported, exported_length,
|
|
&handle2 ) );
|
|
PSA_ASSERT( psa_export_key( handle2,
|
|
reexported,
|
|
export_size,
|
|
&reexported_length ) );
|
|
ASSERT_COMPARE( exported, exported_length,
|
|
reexported, reexported_length );
|
|
PSA_ASSERT( psa_close_key( handle2 ) );
|
|
}
|
|
TEST_ASSERT( exported_length <= PSA_KEY_EXPORT_MAX_SIZE( type, psa_get_key_bits( &got_attributes ) ) );
|
|
|
|
destroy:
|
|
/* Destroy the key */
|
|
PSA_ASSERT( psa_destroy_key( handle ) );
|
|
test_operations_on_invalid_handle( handle );
|
|
|
|
exit:
|
|
mbedtls_free( exported );
|
|
mbedtls_free( reexported );
|
|
psa_reset_key_attributes( &got_attributes );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void invalid_handle( int handle )
|
|
{
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
test_operations_on_invalid_handle( handle );
|
|
|
|
exit:
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void import_export_public_key( data_t *data,
|
|
int type_arg,
|
|
int alg_arg,
|
|
int export_size_delta,
|
|
int expected_export_status_arg,
|
|
data_t *expected_public_key )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_type_t type = type_arg;
|
|
psa_algorithm_t alg = alg_arg;
|
|
psa_status_t expected_export_status = expected_export_status_arg;
|
|
psa_status_t status;
|
|
unsigned char *exported = NULL;
|
|
size_t export_size = expected_public_key->len + export_size_delta;
|
|
size_t exported_length = INVALID_EXPORT_LENGTH;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_EXPORT );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, type );
|
|
|
|
/* Import the key */
|
|
PSA_ASSERT( psa_import_key( &attributes, data->x, data->len, &handle ) );
|
|
|
|
/* Export the public key */
|
|
ASSERT_ALLOC( exported, export_size );
|
|
status = psa_export_public_key( handle,
|
|
exported, export_size,
|
|
&exported_length );
|
|
TEST_EQUAL( status, expected_export_status );
|
|
if( status == PSA_SUCCESS )
|
|
{
|
|
psa_key_type_t public_type = PSA_KEY_TYPE_PUBLIC_KEY_OF_KEY_PAIR( type );
|
|
size_t bits;
|
|
PSA_ASSERT( psa_get_key_attributes( handle, &attributes ) );
|
|
bits = psa_get_key_bits( &attributes );
|
|
TEST_ASSERT( expected_public_key->len <=
|
|
PSA_KEY_EXPORT_MAX_SIZE( public_type, bits ) );
|
|
ASSERT_COMPARE( expected_public_key->x, expected_public_key->len,
|
|
exported, exported_length );
|
|
}
|
|
|
|
exit:
|
|
mbedtls_free( exported );
|
|
psa_destroy_key( handle );
|
|
psa_reset_key_attributes( &attributes );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void import_and_exercise_key( data_t *data,
|
|
int type_arg,
|
|
int bits_arg,
|
|
int alg_arg )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_type_t type = type_arg;
|
|
size_t bits = bits_arg;
|
|
psa_algorithm_t alg = alg_arg;
|
|
psa_key_usage_t usage = usage_to_exercise( type, alg );
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_key_attributes_t got_attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, usage );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, type );
|
|
|
|
/* Import the key */
|
|
PSA_ASSERT( psa_import_key( &attributes, data->x, data->len, &handle ) );
|
|
|
|
/* Test the key information */
|
|
PSA_ASSERT( psa_get_key_attributes( handle, &got_attributes ) );
|
|
TEST_EQUAL( psa_get_key_type( &got_attributes ), type );
|
|
TEST_EQUAL( psa_get_key_bits( &got_attributes ), bits );
|
|
|
|
/* Do something with the key according to its type and permitted usage. */
|
|
if( ! exercise_key( handle, usage, alg ) )
|
|
goto exit;
|
|
|
|
PSA_ASSERT( psa_destroy_key( handle ) );
|
|
test_operations_on_invalid_handle( handle );
|
|
|
|
exit:
|
|
psa_destroy_key( handle );
|
|
psa_reset_key_attributes( &got_attributes );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void key_policy( int usage_arg, int alg_arg )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_algorithm_t alg = alg_arg;
|
|
psa_key_usage_t usage = usage_arg;
|
|
psa_key_type_t key_type = PSA_KEY_TYPE_AES;
|
|
unsigned char key[32] = {0};
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
|
|
memset( key, 0x2a, sizeof( key ) );
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, usage );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
|
|
PSA_ASSERT( psa_import_key( &attributes, key, sizeof( key ), &handle ) );
|
|
|
|
PSA_ASSERT( psa_get_key_attributes( handle, &attributes ) );
|
|
TEST_EQUAL( psa_get_key_type( &attributes ), key_type );
|
|
TEST_EQUAL( psa_get_key_usage_flags( &attributes ), usage );
|
|
TEST_EQUAL( psa_get_key_algorithm( &attributes ), alg );
|
|
|
|
exit:
|
|
psa_destroy_key( handle );
|
|
psa_reset_key_attributes( &attributes );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void key_attributes_init( )
|
|
{
|
|
/* Test each valid way of initializing the object, except for `= {0}`, as
|
|
* Clang 5 complains when `-Wmissing-field-initializers` is used, even
|
|
* though it's OK by the C standard. We could test for this, but we'd need
|
|
* to supress the Clang warning for the test. */
|
|
psa_key_attributes_t func = psa_key_attributes_init( );
|
|
psa_key_attributes_t init = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_key_attributes_t zero;
|
|
|
|
memset( &zero, 0, sizeof( zero ) );
|
|
|
|
TEST_EQUAL( psa_get_key_lifetime( &func ), PSA_KEY_LIFETIME_VOLATILE );
|
|
TEST_EQUAL( psa_get_key_lifetime( &init ), PSA_KEY_LIFETIME_VOLATILE );
|
|
TEST_EQUAL( psa_get_key_lifetime( &zero ), PSA_KEY_LIFETIME_VOLATILE );
|
|
|
|
TEST_EQUAL( psa_get_key_type( &func ), 0 );
|
|
TEST_EQUAL( psa_get_key_type( &init ), 0 );
|
|
TEST_EQUAL( psa_get_key_type( &zero ), 0 );
|
|
|
|
TEST_EQUAL( psa_get_key_bits( &func ), 0 );
|
|
TEST_EQUAL( psa_get_key_bits( &init ), 0 );
|
|
TEST_EQUAL( psa_get_key_bits( &zero ), 0 );
|
|
|
|
TEST_EQUAL( psa_get_key_usage_flags( &func ), 0 );
|
|
TEST_EQUAL( psa_get_key_usage_flags( &init ), 0 );
|
|
TEST_EQUAL( psa_get_key_usage_flags( &zero ), 0 );
|
|
|
|
TEST_EQUAL( psa_get_key_algorithm( &func ), 0 );
|
|
TEST_EQUAL( psa_get_key_algorithm( &init ), 0 );
|
|
TEST_EQUAL( psa_get_key_algorithm( &zero ), 0 );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void mac_key_policy( int policy_usage,
|
|
int policy_alg,
|
|
int key_type,
|
|
data_t *key_data,
|
|
int exercise_alg )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_mac_operation_t operation = PSA_MAC_OPERATION_INIT;
|
|
psa_status_t status;
|
|
unsigned char mac[PSA_MAC_MAX_SIZE];
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, policy_usage );
|
|
psa_set_key_algorithm( &attributes, policy_alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
|
|
PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len,
|
|
&handle ) );
|
|
|
|
status = psa_mac_sign_setup( &operation, handle, exercise_alg );
|
|
if( policy_alg == exercise_alg &&
|
|
( policy_usage & PSA_KEY_USAGE_SIGN ) != 0 )
|
|
PSA_ASSERT( status );
|
|
else
|
|
TEST_EQUAL( status, PSA_ERROR_NOT_PERMITTED );
|
|
psa_mac_abort( &operation );
|
|
|
|
memset( mac, 0, sizeof( mac ) );
|
|
status = psa_mac_verify_setup( &operation, handle, exercise_alg );
|
|
if( policy_alg == exercise_alg &&
|
|
( policy_usage & PSA_KEY_USAGE_VERIFY ) != 0 )
|
|
PSA_ASSERT( status );
|
|
else
|
|
TEST_EQUAL( status, PSA_ERROR_NOT_PERMITTED );
|
|
|
|
exit:
|
|
psa_mac_abort( &operation );
|
|
psa_destroy_key( handle );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void cipher_key_policy( int policy_usage,
|
|
int policy_alg,
|
|
int key_type,
|
|
data_t *key_data,
|
|
int exercise_alg )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT;
|
|
psa_status_t status;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, policy_usage );
|
|
psa_set_key_algorithm( &attributes, policy_alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
|
|
PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len,
|
|
&handle ) );
|
|
|
|
status = psa_cipher_encrypt_setup( &operation, handle, exercise_alg );
|
|
if( policy_alg == exercise_alg &&
|
|
( policy_usage & PSA_KEY_USAGE_ENCRYPT ) != 0 )
|
|
PSA_ASSERT( status );
|
|
else
|
|
TEST_EQUAL( status, PSA_ERROR_NOT_PERMITTED );
|
|
psa_cipher_abort( &operation );
|
|
|
|
status = psa_cipher_decrypt_setup( &operation, handle, exercise_alg );
|
|
if( policy_alg == exercise_alg &&
|
|
( policy_usage & PSA_KEY_USAGE_DECRYPT ) != 0 )
|
|
PSA_ASSERT( status );
|
|
else
|
|
TEST_EQUAL( status, PSA_ERROR_NOT_PERMITTED );
|
|
|
|
exit:
|
|
psa_cipher_abort( &operation );
|
|
psa_destroy_key( handle );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void aead_key_policy( int policy_usage,
|
|
int policy_alg,
|
|
int key_type,
|
|
data_t *key_data,
|
|
int nonce_length_arg,
|
|
int tag_length_arg,
|
|
int exercise_alg )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_status_t status;
|
|
unsigned char nonce[16] = {0};
|
|
size_t nonce_length = nonce_length_arg;
|
|
unsigned char tag[16];
|
|
size_t tag_length = tag_length_arg;
|
|
size_t output_length;
|
|
|
|
TEST_ASSERT( nonce_length <= sizeof( nonce ) );
|
|
TEST_ASSERT( tag_length <= sizeof( tag ) );
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, policy_usage );
|
|
psa_set_key_algorithm( &attributes, policy_alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
|
|
PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len,
|
|
&handle ) );
|
|
|
|
status = psa_aead_encrypt( handle, exercise_alg,
|
|
nonce, nonce_length,
|
|
NULL, 0,
|
|
NULL, 0,
|
|
tag, tag_length,
|
|
&output_length );
|
|
if( policy_alg == exercise_alg &&
|
|
( policy_usage & PSA_KEY_USAGE_ENCRYPT ) != 0 )
|
|
PSA_ASSERT( status );
|
|
else
|
|
TEST_EQUAL( status, PSA_ERROR_NOT_PERMITTED );
|
|
|
|
memset( tag, 0, sizeof( tag ) );
|
|
status = psa_aead_decrypt( handle, exercise_alg,
|
|
nonce, nonce_length,
|
|
NULL, 0,
|
|
tag, tag_length,
|
|
NULL, 0,
|
|
&output_length );
|
|
if( policy_alg == exercise_alg &&
|
|
( policy_usage & PSA_KEY_USAGE_DECRYPT ) != 0 )
|
|
TEST_EQUAL( status, PSA_ERROR_INVALID_SIGNATURE );
|
|
else
|
|
TEST_EQUAL( status, PSA_ERROR_NOT_PERMITTED );
|
|
|
|
exit:
|
|
psa_destroy_key( handle );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void asymmetric_encryption_key_policy( int policy_usage,
|
|
int policy_alg,
|
|
int key_type,
|
|
data_t *key_data,
|
|
int exercise_alg )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_status_t status;
|
|
size_t key_bits;
|
|
size_t buffer_length;
|
|
unsigned char *buffer = NULL;
|
|
size_t output_length;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, policy_usage );
|
|
psa_set_key_algorithm( &attributes, policy_alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
|
|
PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len,
|
|
&handle ) );
|
|
|
|
PSA_ASSERT( psa_get_key_attributes( handle, &attributes ) );
|
|
key_bits = psa_get_key_bits( &attributes );
|
|
buffer_length = PSA_ASYMMETRIC_ENCRYPT_OUTPUT_SIZE( key_type, key_bits,
|
|
exercise_alg );
|
|
ASSERT_ALLOC( buffer, buffer_length );
|
|
|
|
status = psa_asymmetric_encrypt( handle, exercise_alg,
|
|
NULL, 0,
|
|
NULL, 0,
|
|
buffer, buffer_length,
|
|
&output_length );
|
|
if( policy_alg == exercise_alg &&
|
|
( policy_usage & PSA_KEY_USAGE_ENCRYPT ) != 0 )
|
|
PSA_ASSERT( status );
|
|
else
|
|
TEST_EQUAL( status, PSA_ERROR_NOT_PERMITTED );
|
|
|
|
if( buffer_length != 0 )
|
|
memset( buffer, 0, buffer_length );
|
|
status = psa_asymmetric_decrypt( handle, exercise_alg,
|
|
buffer, buffer_length,
|
|
NULL, 0,
|
|
buffer, buffer_length,
|
|
&output_length );
|
|
if( policy_alg == exercise_alg &&
|
|
( policy_usage & PSA_KEY_USAGE_DECRYPT ) != 0 )
|
|
TEST_EQUAL( status, PSA_ERROR_INVALID_PADDING );
|
|
else
|
|
TEST_EQUAL( status, PSA_ERROR_NOT_PERMITTED );
|
|
|
|
exit:
|
|
psa_destroy_key( handle );
|
|
psa_reset_key_attributes( &attributes );
|
|
PSA_DONE( );
|
|
mbedtls_free( buffer );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void asymmetric_signature_key_policy( int policy_usage,
|
|
int policy_alg,
|
|
int key_type,
|
|
data_t *key_data,
|
|
int exercise_alg,
|
|
int payload_length_arg )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_status_t status;
|
|
unsigned char payload[PSA_HASH_MAX_SIZE] = {1};
|
|
/* If `payload_length_arg > 0`, `exercise_alg` is supposed to be
|
|
* compatible with the policy and `payload_length_arg` is supposed to be
|
|
* a valid input length to sign. If `payload_length_arg <= 0`,
|
|
* `exercise_alg` is supposed to be forbidden by the policy. */
|
|
int compatible_alg = payload_length_arg > 0;
|
|
size_t payload_length = compatible_alg ? payload_length_arg : 0;
|
|
unsigned char signature[PSA_ASYMMETRIC_SIGNATURE_MAX_SIZE] = {0};
|
|
size_t signature_length;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, policy_usage );
|
|
psa_set_key_algorithm( &attributes, policy_alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
|
|
PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len,
|
|
&handle ) );
|
|
|
|
status = psa_asymmetric_sign( handle, exercise_alg,
|
|
payload, payload_length,
|
|
signature, sizeof( signature ),
|
|
&signature_length );
|
|
if( compatible_alg && ( policy_usage & PSA_KEY_USAGE_SIGN ) != 0 )
|
|
PSA_ASSERT( status );
|
|
else
|
|
TEST_EQUAL( status, PSA_ERROR_NOT_PERMITTED );
|
|
|
|
memset( signature, 0, sizeof( signature ) );
|
|
status = psa_asymmetric_verify( handle, exercise_alg,
|
|
payload, payload_length,
|
|
signature, sizeof( signature ) );
|
|
if( compatible_alg && ( policy_usage & PSA_KEY_USAGE_VERIFY ) != 0 )
|
|
TEST_EQUAL( status, PSA_ERROR_INVALID_SIGNATURE );
|
|
else
|
|
TEST_EQUAL( status, PSA_ERROR_NOT_PERMITTED );
|
|
|
|
exit:
|
|
psa_destroy_key( handle );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void derive_key_policy( int policy_usage,
|
|
int policy_alg,
|
|
int key_type,
|
|
data_t *key_data,
|
|
int exercise_alg )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
|
|
psa_status_t status;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, policy_usage );
|
|
psa_set_key_algorithm( &attributes, policy_alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
|
|
PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len,
|
|
&handle ) );
|
|
|
|
PSA_ASSERT( psa_key_derivation_setup( &operation, exercise_alg ) );
|
|
|
|
if( PSA_ALG_IS_TLS12_PRF( exercise_alg ) ||
|
|
PSA_ALG_IS_TLS12_PSK_TO_MS( exercise_alg ) )
|
|
{
|
|
PSA_ASSERT( psa_key_derivation_input_bytes(
|
|
&operation,
|
|
PSA_KEY_DERIVATION_INPUT_SEED,
|
|
(const uint8_t*) "", 0) );
|
|
}
|
|
|
|
status = psa_key_derivation_input_key( &operation,
|
|
PSA_KEY_DERIVATION_INPUT_SECRET,
|
|
handle );
|
|
|
|
if( policy_alg == exercise_alg &&
|
|
( policy_usage & PSA_KEY_USAGE_DERIVE ) != 0 )
|
|
PSA_ASSERT( status );
|
|
else
|
|
TEST_EQUAL( status, PSA_ERROR_NOT_PERMITTED );
|
|
|
|
exit:
|
|
psa_key_derivation_abort( &operation );
|
|
psa_destroy_key( handle );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void agreement_key_policy( int policy_usage,
|
|
int policy_alg,
|
|
int key_type_arg,
|
|
data_t *key_data,
|
|
int exercise_alg )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_key_type_t key_type = key_type_arg;
|
|
psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
|
|
psa_status_t status;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, policy_usage );
|
|
psa_set_key_algorithm( &attributes, policy_alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
|
|
PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len,
|
|
&handle ) );
|
|
|
|
PSA_ASSERT( psa_key_derivation_setup( &operation, exercise_alg ) );
|
|
status = key_agreement_with_self( &operation, handle );
|
|
|
|
if( policy_alg == exercise_alg &&
|
|
( policy_usage & PSA_KEY_USAGE_DERIVE ) != 0 )
|
|
PSA_ASSERT( status );
|
|
else
|
|
TEST_EQUAL( status, PSA_ERROR_NOT_PERMITTED );
|
|
|
|
exit:
|
|
psa_key_derivation_abort( &operation );
|
|
psa_destroy_key( handle );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void key_policy_alg2( int key_type_arg, data_t *key_data,
|
|
int usage_arg, int alg_arg, int alg2_arg )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_type_t key_type = key_type_arg;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_key_attributes_t got_attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_key_usage_t usage = usage_arg;
|
|
psa_algorithm_t alg = alg_arg;
|
|
psa_algorithm_t alg2 = alg2_arg;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, usage );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_enrollment_algorithm( &attributes, alg2 );
|
|
psa_set_key_type( &attributes, key_type );
|
|
PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len,
|
|
&handle ) );
|
|
|
|
PSA_ASSERT( psa_get_key_attributes( handle, &got_attributes ) );
|
|
TEST_EQUAL( psa_get_key_usage_flags( &got_attributes ), usage );
|
|
TEST_EQUAL( psa_get_key_algorithm( &got_attributes ), alg );
|
|
TEST_EQUAL( psa_get_key_enrollment_algorithm( &got_attributes ), alg2 );
|
|
|
|
if( ! exercise_key( handle, usage, alg ) )
|
|
goto exit;
|
|
if( ! exercise_key( handle, usage, alg2 ) )
|
|
goto exit;
|
|
|
|
exit:
|
|
psa_destroy_key( handle );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void raw_agreement_key_policy( int policy_usage,
|
|
int policy_alg,
|
|
int key_type_arg,
|
|
data_t *key_data,
|
|
int exercise_alg )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_key_type_t key_type = key_type_arg;
|
|
psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
|
|
psa_status_t status;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, policy_usage );
|
|
psa_set_key_algorithm( &attributes, policy_alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
|
|
PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len,
|
|
&handle ) );
|
|
|
|
status = raw_key_agreement_with_self( exercise_alg, handle );
|
|
|
|
if( policy_alg == exercise_alg &&
|
|
( policy_usage & PSA_KEY_USAGE_DERIVE ) != 0 )
|
|
PSA_ASSERT( status );
|
|
else
|
|
TEST_EQUAL( status, PSA_ERROR_NOT_PERMITTED );
|
|
|
|
exit:
|
|
psa_key_derivation_abort( &operation );
|
|
psa_destroy_key( handle );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void copy_success( int source_usage_arg,
|
|
int source_alg_arg, int source_alg2_arg,
|
|
int type_arg, data_t *material,
|
|
int copy_attributes,
|
|
int target_usage_arg,
|
|
int target_alg_arg, int target_alg2_arg,
|
|
int expected_usage_arg,
|
|
int expected_alg_arg, int expected_alg2_arg )
|
|
{
|
|
psa_key_attributes_t source_attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_key_attributes_t target_attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_key_usage_t expected_usage = expected_usage_arg;
|
|
psa_algorithm_t expected_alg = expected_alg_arg;
|
|
psa_algorithm_t expected_alg2 = expected_alg2_arg;
|
|
psa_key_handle_t source_handle = 0;
|
|
psa_key_handle_t target_handle = 0;
|
|
uint8_t *export_buffer = NULL;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
/* Prepare the source key. */
|
|
psa_set_key_usage_flags( &source_attributes, source_usage_arg );
|
|
psa_set_key_algorithm( &source_attributes, source_alg_arg );
|
|
psa_set_key_enrollment_algorithm( &source_attributes, source_alg2_arg );
|
|
psa_set_key_type( &source_attributes, type_arg );
|
|
PSA_ASSERT( psa_import_key( &source_attributes,
|
|
material->x, material->len,
|
|
&source_handle ) );
|
|
PSA_ASSERT( psa_get_key_attributes( source_handle, &source_attributes ) );
|
|
|
|
/* Prepare the target attributes. */
|
|
if( copy_attributes )
|
|
target_attributes = source_attributes;
|
|
if( target_usage_arg != -1 )
|
|
psa_set_key_usage_flags( &target_attributes, target_usage_arg );
|
|
if( target_alg_arg != -1 )
|
|
psa_set_key_algorithm( &target_attributes, target_alg_arg );
|
|
if( target_alg2_arg != -1 )
|
|
psa_set_key_enrollment_algorithm( &target_attributes, target_alg2_arg );
|
|
|
|
/* Copy the key. */
|
|
PSA_ASSERT( psa_copy_key( source_handle,
|
|
&target_attributes, &target_handle ) );
|
|
|
|
/* Destroy the source to ensure that this doesn't affect the target. */
|
|
PSA_ASSERT( psa_destroy_key( source_handle ) );
|
|
|
|
/* Test that the target slot has the expected content and policy. */
|
|
PSA_ASSERT( psa_get_key_attributes( target_handle, &target_attributes ) );
|
|
TEST_EQUAL( psa_get_key_type( &source_attributes ),
|
|
psa_get_key_type( &target_attributes ) );
|
|
TEST_EQUAL( psa_get_key_bits( &source_attributes ),
|
|
psa_get_key_bits( &target_attributes ) );
|
|
TEST_EQUAL( expected_usage, psa_get_key_usage_flags( &target_attributes ) );
|
|
TEST_EQUAL( expected_alg, psa_get_key_algorithm( &target_attributes ) );
|
|
TEST_EQUAL( expected_alg2,
|
|
psa_get_key_enrollment_algorithm( &target_attributes ) );
|
|
if( expected_usage & PSA_KEY_USAGE_EXPORT )
|
|
{
|
|
size_t length;
|
|
ASSERT_ALLOC( export_buffer, material->len );
|
|
PSA_ASSERT( psa_export_key( target_handle, export_buffer,
|
|
material->len, &length ) );
|
|
ASSERT_COMPARE( material->x, material->len,
|
|
export_buffer, length );
|
|
}
|
|
if( ! exercise_key( target_handle, expected_usage, expected_alg ) )
|
|
goto exit;
|
|
if( ! exercise_key( target_handle, expected_usage, expected_alg2 ) )
|
|
goto exit;
|
|
|
|
PSA_ASSERT( psa_close_key( target_handle ) );
|
|
|
|
exit:
|
|
psa_reset_key_attributes( &source_attributes );
|
|
psa_reset_key_attributes( &target_attributes );
|
|
PSA_DONE( );
|
|
mbedtls_free( export_buffer );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void copy_fail( int source_usage_arg,
|
|
int source_alg_arg, int source_alg2_arg,
|
|
int type_arg, data_t *material,
|
|
int target_type_arg, int target_bits_arg,
|
|
int target_usage_arg,
|
|
int target_alg_arg, int target_alg2_arg,
|
|
int expected_status_arg )
|
|
{
|
|
psa_key_attributes_t source_attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_key_attributes_t target_attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_key_handle_t source_handle = 0;
|
|
psa_key_handle_t target_handle = 0;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
/* Prepare the source key. */
|
|
psa_set_key_usage_flags( &source_attributes, source_usage_arg );
|
|
psa_set_key_algorithm( &source_attributes, source_alg_arg );
|
|
psa_set_key_enrollment_algorithm( &source_attributes, source_alg2_arg );
|
|
psa_set_key_type( &source_attributes, type_arg );
|
|
PSA_ASSERT( psa_import_key( &source_attributes,
|
|
material->x, material->len,
|
|
&source_handle ) );
|
|
|
|
/* Prepare the target attributes. */
|
|
psa_set_key_type( &target_attributes, target_type_arg );
|
|
psa_set_key_bits( &target_attributes, target_bits_arg );
|
|
psa_set_key_usage_flags( &target_attributes, target_usage_arg );
|
|
psa_set_key_algorithm( &target_attributes, target_alg_arg );
|
|
psa_set_key_enrollment_algorithm( &target_attributes, target_alg2_arg );
|
|
|
|
/* Try to copy the key. */
|
|
TEST_EQUAL( psa_copy_key( source_handle,
|
|
&target_attributes, &target_handle ),
|
|
expected_status_arg );
|
|
|
|
PSA_ASSERT( psa_destroy_key( source_handle ) );
|
|
|
|
exit:
|
|
psa_reset_key_attributes( &source_attributes );
|
|
psa_reset_key_attributes( &target_attributes );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void hash_operation_init( )
|
|
{
|
|
const uint8_t input[1] = { 0 };
|
|
/* Test each valid way of initializing the object, except for `= {0}`, as
|
|
* Clang 5 complains when `-Wmissing-field-initializers` is used, even
|
|
* though it's OK by the C standard. We could test for this, but we'd need
|
|
* to supress the Clang warning for the test. */
|
|
psa_hash_operation_t func = psa_hash_operation_init( );
|
|
psa_hash_operation_t init = PSA_HASH_OPERATION_INIT;
|
|
psa_hash_operation_t zero;
|
|
|
|
memset( &zero, 0, sizeof( zero ) );
|
|
|
|
/* A freshly-initialized hash operation should not be usable. */
|
|
TEST_EQUAL( psa_hash_update( &func, input, sizeof( input ) ),
|
|
PSA_ERROR_BAD_STATE );
|
|
TEST_EQUAL( psa_hash_update( &init, input, sizeof( input ) ),
|
|
PSA_ERROR_BAD_STATE );
|
|
TEST_EQUAL( psa_hash_update( &zero, input, sizeof( input ) ),
|
|
PSA_ERROR_BAD_STATE );
|
|
|
|
/* A default hash operation should be abortable without error. */
|
|
PSA_ASSERT( psa_hash_abort( &func ) );
|
|
PSA_ASSERT( psa_hash_abort( &init ) );
|
|
PSA_ASSERT( psa_hash_abort( &zero ) );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void hash_setup( int alg_arg,
|
|
int expected_status_arg )
|
|
{
|
|
psa_algorithm_t alg = alg_arg;
|
|
psa_status_t expected_status = expected_status_arg;
|
|
psa_hash_operation_t operation = PSA_HASH_OPERATION_INIT;
|
|
psa_status_t status;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
status = psa_hash_setup( &operation, alg );
|
|
TEST_EQUAL( status, expected_status );
|
|
|
|
/* Whether setup succeeded or failed, abort must succeed. */
|
|
PSA_ASSERT( psa_hash_abort( &operation ) );
|
|
|
|
/* If setup failed, reproduce the failure, so as to
|
|
* test the resulting state of the operation object. */
|
|
if( status != PSA_SUCCESS )
|
|
TEST_EQUAL( psa_hash_setup( &operation, alg ), status );
|
|
|
|
/* Now the operation object should be reusable. */
|
|
#if defined(KNOWN_SUPPORTED_HASH_ALG)
|
|
PSA_ASSERT( psa_hash_setup( &operation, KNOWN_SUPPORTED_HASH_ALG ) );
|
|
PSA_ASSERT( psa_hash_abort( &operation ) );
|
|
#endif
|
|
|
|
exit:
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void hash_bad_order( )
|
|
{
|
|
psa_algorithm_t alg = PSA_ALG_SHA_256;
|
|
unsigned char input[] = "";
|
|
/* SHA-256 hash of an empty string */
|
|
const unsigned char valid_hash[] = {
|
|
0xe3, 0xb0, 0xc4, 0x42, 0x98, 0xfc, 0x1c, 0x14, 0x9a, 0xfb, 0xf4, 0xc8,
|
|
0x99, 0x6f, 0xb9, 0x24, 0x27, 0xae, 0x41, 0xe4, 0x64, 0x9b, 0x93, 0x4c,
|
|
0xa4, 0x95, 0x99, 0x1b, 0x78, 0x52, 0xb8, 0x55 };
|
|
unsigned char hash[sizeof(valid_hash)] = { 0 };
|
|
size_t hash_len;
|
|
psa_hash_operation_t operation = PSA_HASH_OPERATION_INIT;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
/* Call setup twice in a row. */
|
|
PSA_ASSERT( psa_hash_setup( &operation, alg ) );
|
|
TEST_EQUAL( psa_hash_setup( &operation, alg ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_hash_abort( &operation ) );
|
|
|
|
/* Call update without calling setup beforehand. */
|
|
TEST_EQUAL( psa_hash_update( &operation, input, sizeof( input ) ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_hash_abort( &operation ) );
|
|
|
|
/* Call update after finish. */
|
|
PSA_ASSERT( psa_hash_setup( &operation, alg ) );
|
|
PSA_ASSERT( psa_hash_finish( &operation,
|
|
hash, sizeof( hash ), &hash_len ) );
|
|
TEST_EQUAL( psa_hash_update( &operation, input, sizeof( input ) ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_hash_abort( &operation ) );
|
|
|
|
/* Call verify without calling setup beforehand. */
|
|
TEST_EQUAL( psa_hash_verify( &operation,
|
|
valid_hash, sizeof( valid_hash ) ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_hash_abort( &operation ) );
|
|
|
|
/* Call verify after finish. */
|
|
PSA_ASSERT( psa_hash_setup( &operation, alg ) );
|
|
PSA_ASSERT( psa_hash_finish( &operation,
|
|
hash, sizeof( hash ), &hash_len ) );
|
|
TEST_EQUAL( psa_hash_verify( &operation,
|
|
valid_hash, sizeof( valid_hash ) ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_hash_abort( &operation ) );
|
|
|
|
/* Call verify twice in a row. */
|
|
PSA_ASSERT( psa_hash_setup( &operation, alg ) );
|
|
PSA_ASSERT( psa_hash_verify( &operation,
|
|
valid_hash, sizeof( valid_hash ) ) );
|
|
TEST_EQUAL( psa_hash_verify( &operation,
|
|
valid_hash, sizeof( valid_hash ) ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_hash_abort( &operation ) );
|
|
|
|
/* Call finish without calling setup beforehand. */
|
|
TEST_EQUAL( psa_hash_finish( &operation,
|
|
hash, sizeof( hash ), &hash_len ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_hash_abort( &operation ) );
|
|
|
|
/* Call finish twice in a row. */
|
|
PSA_ASSERT( psa_hash_setup( &operation, alg ) );
|
|
PSA_ASSERT( psa_hash_finish( &operation,
|
|
hash, sizeof( hash ), &hash_len ) );
|
|
TEST_EQUAL( psa_hash_finish( &operation,
|
|
hash, sizeof( hash ), &hash_len ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_hash_abort( &operation ) );
|
|
|
|
/* Call finish after calling verify. */
|
|
PSA_ASSERT( psa_hash_setup( &operation, alg ) );
|
|
PSA_ASSERT( psa_hash_verify( &operation,
|
|
valid_hash, sizeof( valid_hash ) ) );
|
|
TEST_EQUAL( psa_hash_finish( &operation,
|
|
hash, sizeof( hash ), &hash_len ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_hash_abort( &operation ) );
|
|
|
|
exit:
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE depends_on:MBEDTLS_SHA256_C */
|
|
void hash_verify_bad_args( )
|
|
{
|
|
psa_algorithm_t alg = PSA_ALG_SHA_256;
|
|
/* SHA-256 hash of an empty string with 2 extra bytes (0xaa and 0xbb)
|
|
* appended to it */
|
|
unsigned char hash[] = {
|
|
0xe3, 0xb0, 0xc4, 0x42, 0x98, 0xfc, 0x1c, 0x14, 0x9a, 0xfb, 0xf4, 0xc8,
|
|
0x99, 0x6f, 0xb9, 0x24, 0x27, 0xae, 0x41, 0xe4, 0x64, 0x9b, 0x93, 0x4c,
|
|
0xa4, 0x95, 0x99, 0x1b, 0x78, 0x52, 0xb8, 0x55, 0xaa, 0xbb };
|
|
size_t expected_size = PSA_HASH_SIZE( alg );
|
|
psa_hash_operation_t operation = PSA_HASH_OPERATION_INIT;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
/* psa_hash_verify with a smaller hash than expected */
|
|
PSA_ASSERT( psa_hash_setup( &operation, alg ) );
|
|
TEST_EQUAL( psa_hash_verify( &operation, hash, expected_size - 1 ),
|
|
PSA_ERROR_INVALID_SIGNATURE );
|
|
|
|
/* psa_hash_verify with a non-matching hash */
|
|
PSA_ASSERT( psa_hash_setup( &operation, alg ) );
|
|
TEST_EQUAL( psa_hash_verify( &operation, hash + 1, expected_size ),
|
|
PSA_ERROR_INVALID_SIGNATURE );
|
|
|
|
/* psa_hash_verify with a hash longer than expected */
|
|
PSA_ASSERT( psa_hash_setup( &operation, alg ) );
|
|
TEST_EQUAL( psa_hash_verify( &operation, hash, sizeof( hash ) ),
|
|
PSA_ERROR_INVALID_SIGNATURE );
|
|
|
|
exit:
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE depends_on:MBEDTLS_SHA256_C */
|
|
void hash_finish_bad_args( )
|
|
{
|
|
psa_algorithm_t alg = PSA_ALG_SHA_256;
|
|
unsigned char hash[PSA_HASH_MAX_SIZE];
|
|
size_t expected_size = PSA_HASH_SIZE( alg );
|
|
psa_hash_operation_t operation = PSA_HASH_OPERATION_INIT;
|
|
size_t hash_len;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
/* psa_hash_finish with a smaller hash buffer than expected */
|
|
PSA_ASSERT( psa_hash_setup( &operation, alg ) );
|
|
TEST_EQUAL( psa_hash_finish( &operation,
|
|
hash, expected_size - 1, &hash_len ),
|
|
PSA_ERROR_BUFFER_TOO_SMALL );
|
|
|
|
exit:
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE depends_on:MBEDTLS_SHA256_C */
|
|
void hash_clone_source_state( )
|
|
{
|
|
psa_algorithm_t alg = PSA_ALG_SHA_256;
|
|
unsigned char hash[PSA_HASH_MAX_SIZE];
|
|
psa_hash_operation_t op_source = PSA_HASH_OPERATION_INIT;
|
|
psa_hash_operation_t op_init = PSA_HASH_OPERATION_INIT;
|
|
psa_hash_operation_t op_setup = PSA_HASH_OPERATION_INIT;
|
|
psa_hash_operation_t op_finished = PSA_HASH_OPERATION_INIT;
|
|
psa_hash_operation_t op_aborted = PSA_HASH_OPERATION_INIT;
|
|
size_t hash_len;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
PSA_ASSERT( psa_hash_setup( &op_source, alg ) );
|
|
|
|
PSA_ASSERT( psa_hash_setup( &op_setup, alg ) );
|
|
PSA_ASSERT( psa_hash_setup( &op_finished, alg ) );
|
|
PSA_ASSERT( psa_hash_finish( &op_finished,
|
|
hash, sizeof( hash ), &hash_len ) );
|
|
PSA_ASSERT( psa_hash_setup( &op_aborted, alg ) );
|
|
PSA_ASSERT( psa_hash_abort( &op_aborted ) );
|
|
|
|
TEST_EQUAL( psa_hash_clone( &op_source, &op_setup ),
|
|
PSA_ERROR_BAD_STATE );
|
|
|
|
PSA_ASSERT( psa_hash_clone( &op_source, &op_init ) );
|
|
PSA_ASSERT( psa_hash_finish( &op_init,
|
|
hash, sizeof( hash ), &hash_len ) );
|
|
PSA_ASSERT( psa_hash_clone( &op_source, &op_finished ) );
|
|
PSA_ASSERT( psa_hash_finish( &op_finished,
|
|
hash, sizeof( hash ), &hash_len ) );
|
|
PSA_ASSERT( psa_hash_clone( &op_source, &op_aborted ) );
|
|
PSA_ASSERT( psa_hash_finish( &op_aborted,
|
|
hash, sizeof( hash ), &hash_len ) );
|
|
|
|
exit:
|
|
psa_hash_abort( &op_source );
|
|
psa_hash_abort( &op_init );
|
|
psa_hash_abort( &op_setup );
|
|
psa_hash_abort( &op_finished );
|
|
psa_hash_abort( &op_aborted );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE depends_on:MBEDTLS_SHA256_C */
|
|
void hash_clone_target_state( )
|
|
{
|
|
psa_algorithm_t alg = PSA_ALG_SHA_256;
|
|
unsigned char hash[PSA_HASH_MAX_SIZE];
|
|
psa_hash_operation_t op_init = PSA_HASH_OPERATION_INIT;
|
|
psa_hash_operation_t op_setup = PSA_HASH_OPERATION_INIT;
|
|
psa_hash_operation_t op_finished = PSA_HASH_OPERATION_INIT;
|
|
psa_hash_operation_t op_aborted = PSA_HASH_OPERATION_INIT;
|
|
psa_hash_operation_t op_target = PSA_HASH_OPERATION_INIT;
|
|
size_t hash_len;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
PSA_ASSERT( psa_hash_setup( &op_setup, alg ) );
|
|
PSA_ASSERT( psa_hash_setup( &op_finished, alg ) );
|
|
PSA_ASSERT( psa_hash_finish( &op_finished,
|
|
hash, sizeof( hash ), &hash_len ) );
|
|
PSA_ASSERT( psa_hash_setup( &op_aborted, alg ) );
|
|
PSA_ASSERT( psa_hash_abort( &op_aborted ) );
|
|
|
|
PSA_ASSERT( psa_hash_clone( &op_setup, &op_target ) );
|
|
PSA_ASSERT( psa_hash_finish( &op_target,
|
|
hash, sizeof( hash ), &hash_len ) );
|
|
|
|
TEST_EQUAL( psa_hash_clone( &op_init, &op_target ), PSA_ERROR_BAD_STATE );
|
|
TEST_EQUAL( psa_hash_clone( &op_finished, &op_target ),
|
|
PSA_ERROR_BAD_STATE );
|
|
TEST_EQUAL( psa_hash_clone( &op_aborted, &op_target ),
|
|
PSA_ERROR_BAD_STATE );
|
|
|
|
exit:
|
|
psa_hash_abort( &op_target );
|
|
psa_hash_abort( &op_init );
|
|
psa_hash_abort( &op_setup );
|
|
psa_hash_abort( &op_finished );
|
|
psa_hash_abort( &op_aborted );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void mac_operation_init( )
|
|
{
|
|
const uint8_t input[1] = { 0 };
|
|
|
|
/* Test each valid way of initializing the object, except for `= {0}`, as
|
|
* Clang 5 complains when `-Wmissing-field-initializers` is used, even
|
|
* though it's OK by the C standard. We could test for this, but we'd need
|
|
* to supress the Clang warning for the test. */
|
|
psa_mac_operation_t func = psa_mac_operation_init( );
|
|
psa_mac_operation_t init = PSA_MAC_OPERATION_INIT;
|
|
psa_mac_operation_t zero;
|
|
|
|
memset( &zero, 0, sizeof( zero ) );
|
|
|
|
/* A freshly-initialized MAC operation should not be usable. */
|
|
TEST_EQUAL( psa_mac_update( &func,
|
|
input, sizeof( input ) ),
|
|
PSA_ERROR_BAD_STATE );
|
|
TEST_EQUAL( psa_mac_update( &init,
|
|
input, sizeof( input ) ),
|
|
PSA_ERROR_BAD_STATE );
|
|
TEST_EQUAL( psa_mac_update( &zero,
|
|
input, sizeof( input ) ),
|
|
PSA_ERROR_BAD_STATE );
|
|
|
|
/* A default MAC operation should be abortable without error. */
|
|
PSA_ASSERT( psa_mac_abort( &func ) );
|
|
PSA_ASSERT( psa_mac_abort( &init ) );
|
|
PSA_ASSERT( psa_mac_abort( &zero ) );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void mac_setup( int key_type_arg,
|
|
data_t *key,
|
|
int alg_arg,
|
|
int expected_status_arg )
|
|
{
|
|
psa_key_type_t key_type = key_type_arg;
|
|
psa_algorithm_t alg = alg_arg;
|
|
psa_status_t expected_status = expected_status_arg;
|
|
psa_mac_operation_t operation = PSA_MAC_OPERATION_INIT;
|
|
psa_status_t status = PSA_ERROR_GENERIC_ERROR;
|
|
#if defined(KNOWN_SUPPORTED_MAC_ALG)
|
|
const uint8_t smoke_test_key_data[16] = "kkkkkkkkkkkkkkkk";
|
|
#endif
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
if( ! exercise_mac_setup( key_type, key->x, key->len, alg,
|
|
&operation, &status ) )
|
|
goto exit;
|
|
TEST_EQUAL( status, expected_status );
|
|
|
|
/* The operation object should be reusable. */
|
|
#if defined(KNOWN_SUPPORTED_MAC_ALG)
|
|
if( ! exercise_mac_setup( KNOWN_SUPPORTED_MAC_KEY_TYPE,
|
|
smoke_test_key_data,
|
|
sizeof( smoke_test_key_data ),
|
|
KNOWN_SUPPORTED_MAC_ALG,
|
|
&operation, &status ) )
|
|
goto exit;
|
|
TEST_EQUAL( status, PSA_SUCCESS );
|
|
#endif
|
|
|
|
exit:
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void mac_bad_order( )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_type_t key_type = PSA_KEY_TYPE_HMAC;
|
|
psa_algorithm_t alg = PSA_ALG_HMAC(PSA_ALG_SHA_256);
|
|
const uint8_t key[] = {
|
|
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
|
|
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
|
|
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa };
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_mac_operation_t operation = PSA_MAC_OPERATION_INIT;
|
|
uint8_t sign_mac[PSA_MAC_MAX_SIZE + 10] = { 0 };
|
|
size_t sign_mac_length = 0;
|
|
const uint8_t input[] = { 0xbb, 0xbb, 0xbb, 0xbb };
|
|
const uint8_t verify_mac[] = {
|
|
0x74, 0x65, 0x93, 0x8c, 0xeb, 0x1d, 0xb3, 0x76, 0x5a, 0x38, 0xe7, 0xdd,
|
|
0x85, 0xc5, 0xad, 0x4f, 0x07, 0xe7, 0xd5, 0xb2, 0x64, 0xf0, 0x1a, 0x1a,
|
|
0x2c, 0xf9, 0x18, 0xca, 0x59, 0x7e, 0x5d, 0xf6 };
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_SIGN | PSA_KEY_USAGE_VERIFY );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
|
|
PSA_ASSERT( psa_import_key( &attributes, key, sizeof( key ), &handle ) );
|
|
|
|
/* Call update without calling setup beforehand. */
|
|
TEST_EQUAL( psa_mac_update( &operation, input, sizeof( input ) ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_mac_abort( &operation ) );
|
|
|
|
/* Call sign finish without calling setup beforehand. */
|
|
TEST_EQUAL( psa_mac_sign_finish( &operation, sign_mac, sizeof( sign_mac ),
|
|
&sign_mac_length),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_mac_abort( &operation ) );
|
|
|
|
/* Call verify finish without calling setup beforehand. */
|
|
TEST_EQUAL( psa_mac_verify_finish( &operation,
|
|
verify_mac, sizeof( verify_mac ) ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_mac_abort( &operation ) );
|
|
|
|
/* Call setup twice in a row. */
|
|
PSA_ASSERT( psa_mac_sign_setup( &operation,
|
|
handle, alg ) );
|
|
TEST_EQUAL( psa_mac_sign_setup( &operation,
|
|
handle, alg ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_mac_abort( &operation ) );
|
|
|
|
/* Call update after sign finish. */
|
|
PSA_ASSERT( psa_mac_sign_setup( &operation,
|
|
handle, alg ) );
|
|
PSA_ASSERT( psa_mac_update( &operation, input, sizeof( input ) ) );
|
|
PSA_ASSERT( psa_mac_sign_finish( &operation,
|
|
sign_mac, sizeof( sign_mac ),
|
|
&sign_mac_length ) );
|
|
TEST_EQUAL( psa_mac_update( &operation, input, sizeof( input ) ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_mac_abort( &operation ) );
|
|
|
|
/* Call update after verify finish. */
|
|
PSA_ASSERT( psa_mac_verify_setup( &operation,
|
|
handle, alg ) );
|
|
PSA_ASSERT( psa_mac_update( &operation, input, sizeof( input ) ) );
|
|
PSA_ASSERT( psa_mac_verify_finish( &operation,
|
|
verify_mac, sizeof( verify_mac ) ) );
|
|
TEST_EQUAL( psa_mac_update( &operation, input, sizeof( input ) ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_mac_abort( &operation ) );
|
|
|
|
/* Call sign finish twice in a row. */
|
|
PSA_ASSERT( psa_mac_sign_setup( &operation,
|
|
handle, alg ) );
|
|
PSA_ASSERT( psa_mac_update( &operation, input, sizeof( input ) ) );
|
|
PSA_ASSERT( psa_mac_sign_finish( &operation,
|
|
sign_mac, sizeof( sign_mac ),
|
|
&sign_mac_length ) );
|
|
TEST_EQUAL( psa_mac_sign_finish( &operation,
|
|
sign_mac, sizeof( sign_mac ),
|
|
&sign_mac_length ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_mac_abort( &operation ) );
|
|
|
|
/* Call verify finish twice in a row. */
|
|
PSA_ASSERT( psa_mac_verify_setup( &operation,
|
|
handle, alg ) );
|
|
PSA_ASSERT( psa_mac_update( &operation, input, sizeof( input ) ) );
|
|
PSA_ASSERT( psa_mac_verify_finish( &operation,
|
|
verify_mac, sizeof( verify_mac ) ) );
|
|
TEST_EQUAL( psa_mac_verify_finish( &operation,
|
|
verify_mac, sizeof( verify_mac ) ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_mac_abort( &operation ) );
|
|
|
|
/* Setup sign but try verify. */
|
|
PSA_ASSERT( psa_mac_sign_setup( &operation,
|
|
handle, alg ) );
|
|
PSA_ASSERT( psa_mac_update( &operation, input, sizeof( input ) ) );
|
|
TEST_EQUAL( psa_mac_verify_finish( &operation,
|
|
verify_mac, sizeof( verify_mac ) ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_mac_abort( &operation ) );
|
|
|
|
/* Setup verify but try sign. */
|
|
PSA_ASSERT( psa_mac_verify_setup( &operation,
|
|
handle, alg ) );
|
|
PSA_ASSERT( psa_mac_update( &operation, input, sizeof( input ) ) );
|
|
TEST_EQUAL( psa_mac_sign_finish( &operation,
|
|
sign_mac, sizeof( sign_mac ),
|
|
&sign_mac_length ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_mac_abort( &operation ) );
|
|
|
|
PSA_ASSERT( psa_destroy_key( handle ) );
|
|
|
|
exit:
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void mac_sign( int key_type_arg,
|
|
data_t *key,
|
|
int alg_arg,
|
|
data_t *input,
|
|
data_t *expected_mac )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_type_t key_type = key_type_arg;
|
|
psa_algorithm_t alg = alg_arg;
|
|
psa_mac_operation_t operation = PSA_MAC_OPERATION_INIT;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
/* Leave a little extra room in the output buffer. At the end of the
|
|
* test, we'll check that the implementation didn't overwrite onto
|
|
* this extra room. */
|
|
uint8_t actual_mac[PSA_MAC_MAX_SIZE + 10];
|
|
size_t mac_buffer_size =
|
|
PSA_MAC_FINAL_SIZE( key_type, PSA_BYTES_TO_BITS( key->len ), alg );
|
|
size_t mac_length = 0;
|
|
|
|
memset( actual_mac, '+', sizeof( actual_mac ) );
|
|
TEST_ASSERT( mac_buffer_size <= PSA_MAC_MAX_SIZE );
|
|
TEST_ASSERT( expected_mac->len <= mac_buffer_size );
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_SIGN );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
|
|
PSA_ASSERT( psa_import_key( &attributes, key->x, key->len, &handle ) );
|
|
|
|
/* Calculate the MAC. */
|
|
PSA_ASSERT( psa_mac_sign_setup( &operation,
|
|
handle, alg ) );
|
|
PSA_ASSERT( psa_mac_update( &operation,
|
|
input->x, input->len ) );
|
|
PSA_ASSERT( psa_mac_sign_finish( &operation,
|
|
actual_mac, mac_buffer_size,
|
|
&mac_length ) );
|
|
|
|
/* Compare with the expected value. */
|
|
ASSERT_COMPARE( expected_mac->x, expected_mac->len,
|
|
actual_mac, mac_length );
|
|
|
|
/* Verify that the end of the buffer is untouched. */
|
|
TEST_ASSERT( mem_is_char( actual_mac + mac_length, '+',
|
|
sizeof( actual_mac ) - mac_length ) );
|
|
|
|
exit:
|
|
psa_destroy_key( handle );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void mac_verify( int key_type_arg,
|
|
data_t *key,
|
|
int alg_arg,
|
|
data_t *input,
|
|
data_t *expected_mac )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_type_t key_type = key_type_arg;
|
|
psa_algorithm_t alg = alg_arg;
|
|
psa_mac_operation_t operation = PSA_MAC_OPERATION_INIT;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
|
|
TEST_ASSERT( expected_mac->len <= PSA_MAC_MAX_SIZE );
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_VERIFY );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
|
|
PSA_ASSERT( psa_import_key( &attributes, key->x, key->len, &handle ) );
|
|
|
|
PSA_ASSERT( psa_mac_verify_setup( &operation,
|
|
handle, alg ) );
|
|
PSA_ASSERT( psa_destroy_key( handle ) );
|
|
PSA_ASSERT( psa_mac_update( &operation,
|
|
input->x, input->len ) );
|
|
PSA_ASSERT( psa_mac_verify_finish( &operation,
|
|
expected_mac->x,
|
|
expected_mac->len ) );
|
|
|
|
exit:
|
|
psa_destroy_key( handle );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void cipher_operation_init( )
|
|
{
|
|
const uint8_t input[1] = { 0 };
|
|
unsigned char output[1] = { 0 };
|
|
size_t output_length;
|
|
/* Test each valid way of initializing the object, except for `= {0}`, as
|
|
* Clang 5 complains when `-Wmissing-field-initializers` is used, even
|
|
* though it's OK by the C standard. We could test for this, but we'd need
|
|
* to supress the Clang warning for the test. */
|
|
psa_cipher_operation_t func = psa_cipher_operation_init( );
|
|
psa_cipher_operation_t init = PSA_CIPHER_OPERATION_INIT;
|
|
psa_cipher_operation_t zero;
|
|
|
|
memset( &zero, 0, sizeof( zero ) );
|
|
|
|
/* A freshly-initialized cipher operation should not be usable. */
|
|
TEST_EQUAL( psa_cipher_update( &func,
|
|
input, sizeof( input ),
|
|
output, sizeof( output ),
|
|
&output_length ),
|
|
PSA_ERROR_BAD_STATE );
|
|
TEST_EQUAL( psa_cipher_update( &init,
|
|
input, sizeof( input ),
|
|
output, sizeof( output ),
|
|
&output_length ),
|
|
PSA_ERROR_BAD_STATE );
|
|
TEST_EQUAL( psa_cipher_update( &zero,
|
|
input, sizeof( input ),
|
|
output, sizeof( output ),
|
|
&output_length ),
|
|
PSA_ERROR_BAD_STATE );
|
|
|
|
/* A default cipher operation should be abortable without error. */
|
|
PSA_ASSERT( psa_cipher_abort( &func ) );
|
|
PSA_ASSERT( psa_cipher_abort( &init ) );
|
|
PSA_ASSERT( psa_cipher_abort( &zero ) );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void cipher_setup( int key_type_arg,
|
|
data_t *key,
|
|
int alg_arg,
|
|
int expected_status_arg )
|
|
{
|
|
psa_key_type_t key_type = key_type_arg;
|
|
psa_algorithm_t alg = alg_arg;
|
|
psa_status_t expected_status = expected_status_arg;
|
|
psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT;
|
|
psa_status_t status;
|
|
#if defined(KNOWN_SUPPORTED_MAC_ALG)
|
|
const uint8_t smoke_test_key_data[16] = "kkkkkkkkkkkkkkkk";
|
|
#endif
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
if( ! exercise_cipher_setup( key_type, key->x, key->len, alg,
|
|
&operation, &status ) )
|
|
goto exit;
|
|
TEST_EQUAL( status, expected_status );
|
|
|
|
/* The operation object should be reusable. */
|
|
#if defined(KNOWN_SUPPORTED_CIPHER_ALG)
|
|
if( ! exercise_cipher_setup( KNOWN_SUPPORTED_CIPHER_KEY_TYPE,
|
|
smoke_test_key_data,
|
|
sizeof( smoke_test_key_data ),
|
|
KNOWN_SUPPORTED_CIPHER_ALG,
|
|
&operation, &status ) )
|
|
goto exit;
|
|
TEST_EQUAL( status, PSA_SUCCESS );
|
|
#endif
|
|
|
|
exit:
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void cipher_bad_order( )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_type_t key_type = PSA_KEY_TYPE_AES;
|
|
psa_algorithm_t alg = PSA_ALG_CBC_PKCS7;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT;
|
|
unsigned char iv[PSA_BLOCK_CIPHER_BLOCK_SIZE(PSA_KEY_TYPE_AES)] = { 0 };
|
|
const uint8_t key[] = {
|
|
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
|
|
0xaa, 0xaa, 0xaa, 0xaa };
|
|
const uint8_t text[] = {
|
|
0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb,
|
|
0xbb, 0xbb, 0xbb, 0xbb };
|
|
uint8_t buffer[PSA_BLOCK_CIPHER_BLOCK_SIZE(PSA_KEY_TYPE_AES)] = { 0 };
|
|
size_t length = 0;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
PSA_ASSERT( psa_import_key( &attributes, key, sizeof( key ), &handle ) );
|
|
|
|
|
|
/* Call encrypt setup twice in a row. */
|
|
PSA_ASSERT( psa_cipher_encrypt_setup( &operation, handle, alg ) );
|
|
TEST_EQUAL( psa_cipher_encrypt_setup( &operation, handle, alg ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_cipher_abort( &operation ) );
|
|
|
|
/* Call decrypt setup twice in a row. */
|
|
PSA_ASSERT( psa_cipher_decrypt_setup( &operation, handle, alg ) );
|
|
TEST_EQUAL( psa_cipher_decrypt_setup( &operation, handle, alg ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_cipher_abort( &operation ) );
|
|
|
|
/* Generate an IV without calling setup beforehand. */
|
|
TEST_EQUAL( psa_cipher_generate_iv( &operation,
|
|
buffer, sizeof( buffer ),
|
|
&length ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_cipher_abort( &operation ) );
|
|
|
|
/* Generate an IV twice in a row. */
|
|
PSA_ASSERT( psa_cipher_encrypt_setup( &operation, handle, alg ) );
|
|
PSA_ASSERT( psa_cipher_generate_iv( &operation,
|
|
buffer, sizeof( buffer ),
|
|
&length ) );
|
|
TEST_EQUAL( psa_cipher_generate_iv( &operation,
|
|
buffer, sizeof( buffer ),
|
|
&length ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_cipher_abort( &operation ) );
|
|
|
|
/* Generate an IV after it's already set. */
|
|
PSA_ASSERT( psa_cipher_encrypt_setup( &operation, handle, alg ) );
|
|
PSA_ASSERT( psa_cipher_set_iv( &operation,
|
|
iv, sizeof( iv ) ) );
|
|
TEST_EQUAL( psa_cipher_generate_iv( &operation,
|
|
buffer, sizeof( buffer ),
|
|
&length ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_cipher_abort( &operation ) );
|
|
|
|
/* Set an IV without calling setup beforehand. */
|
|
TEST_EQUAL( psa_cipher_set_iv( &operation,
|
|
iv, sizeof( iv ) ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_cipher_abort( &operation ) );
|
|
|
|
/* Set an IV after it's already set. */
|
|
PSA_ASSERT( psa_cipher_encrypt_setup( &operation, handle, alg ) );
|
|
PSA_ASSERT( psa_cipher_set_iv( &operation,
|
|
iv, sizeof( iv ) ) );
|
|
TEST_EQUAL( psa_cipher_set_iv( &operation,
|
|
iv, sizeof( iv ) ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_cipher_abort( &operation ) );
|
|
|
|
/* Set an IV after it's already generated. */
|
|
PSA_ASSERT( psa_cipher_encrypt_setup( &operation, handle, alg ) );
|
|
PSA_ASSERT( psa_cipher_generate_iv( &operation,
|
|
buffer, sizeof( buffer ),
|
|
&length ) );
|
|
TEST_EQUAL( psa_cipher_set_iv( &operation,
|
|
iv, sizeof( iv ) ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_cipher_abort( &operation ) );
|
|
|
|
/* Call update without calling setup beforehand. */
|
|
TEST_EQUAL( psa_cipher_update( &operation,
|
|
text, sizeof( text ),
|
|
buffer, sizeof( buffer ),
|
|
&length ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_cipher_abort( &operation ) );
|
|
|
|
/* Call update without an IV where an IV is required. */
|
|
TEST_EQUAL( psa_cipher_update( &operation,
|
|
text, sizeof( text ),
|
|
buffer, sizeof( buffer ),
|
|
&length ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_cipher_abort( &operation ) );
|
|
|
|
/* Call update after finish. */
|
|
PSA_ASSERT( psa_cipher_encrypt_setup( &operation, handle, alg ) );
|
|
PSA_ASSERT( psa_cipher_set_iv( &operation,
|
|
iv, sizeof( iv ) ) );
|
|
PSA_ASSERT( psa_cipher_finish( &operation,
|
|
buffer, sizeof( buffer ), &length ) );
|
|
TEST_EQUAL( psa_cipher_update( &operation,
|
|
text, sizeof( text ),
|
|
buffer, sizeof( buffer ),
|
|
&length ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_cipher_abort( &operation ) );
|
|
|
|
/* Call finish without calling setup beforehand. */
|
|
TEST_EQUAL( psa_cipher_finish( &operation,
|
|
buffer, sizeof( buffer ), &length ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_cipher_abort( &operation ) );
|
|
|
|
/* Call finish without an IV where an IV is required. */
|
|
PSA_ASSERT( psa_cipher_encrypt_setup( &operation, handle, alg ) );
|
|
/* Not calling update means we are encrypting an empty buffer, which is OK
|
|
* for cipher modes with padding. */
|
|
TEST_EQUAL( psa_cipher_finish( &operation,
|
|
buffer, sizeof( buffer ), &length ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_cipher_abort( &operation ) );
|
|
|
|
/* Call finish twice in a row. */
|
|
PSA_ASSERT( psa_cipher_encrypt_setup( &operation, handle, alg ) );
|
|
PSA_ASSERT( psa_cipher_set_iv( &operation,
|
|
iv, sizeof( iv ) ) );
|
|
PSA_ASSERT( psa_cipher_finish( &operation,
|
|
buffer, sizeof( buffer ), &length ) );
|
|
TEST_EQUAL( psa_cipher_finish( &operation,
|
|
buffer, sizeof( buffer ), &length ),
|
|
PSA_ERROR_BAD_STATE );
|
|
PSA_ASSERT( psa_cipher_abort( &operation ) );
|
|
|
|
PSA_ASSERT( psa_destroy_key( handle ) );
|
|
|
|
exit:
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void cipher_encrypt( int alg_arg, int key_type_arg,
|
|
data_t *key, data_t *iv,
|
|
data_t *input, data_t *expected_output,
|
|
int expected_status_arg )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_status_t status;
|
|
psa_key_type_t key_type = key_type_arg;
|
|
psa_algorithm_t alg = alg_arg;
|
|
psa_status_t expected_status = expected_status_arg;
|
|
unsigned char *output = NULL;
|
|
size_t output_buffer_size = 0;
|
|
size_t function_output_length = 0;
|
|
size_t total_output_length = 0;
|
|
psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_ENCRYPT );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
|
|
PSA_ASSERT( psa_import_key( &attributes, key->x, key->len, &handle ) );
|
|
|
|
PSA_ASSERT( psa_cipher_encrypt_setup( &operation,
|
|
handle, alg ) );
|
|
|
|
PSA_ASSERT( psa_cipher_set_iv( &operation, iv->x, iv->len ) );
|
|
output_buffer_size = ( (size_t) input->len +
|
|
PSA_BLOCK_CIPHER_BLOCK_SIZE( key_type ) );
|
|
ASSERT_ALLOC( output, output_buffer_size );
|
|
|
|
PSA_ASSERT( psa_cipher_update( &operation,
|
|
input->x, input->len,
|
|
output, output_buffer_size,
|
|
&function_output_length ) );
|
|
total_output_length += function_output_length;
|
|
status = psa_cipher_finish( &operation,
|
|
output + total_output_length,
|
|
output_buffer_size - total_output_length,
|
|
&function_output_length );
|
|
total_output_length += function_output_length;
|
|
|
|
TEST_EQUAL( status, expected_status );
|
|
if( expected_status == PSA_SUCCESS )
|
|
{
|
|
PSA_ASSERT( psa_cipher_abort( &operation ) );
|
|
ASSERT_COMPARE( expected_output->x, expected_output->len,
|
|
output, total_output_length );
|
|
}
|
|
|
|
exit:
|
|
mbedtls_free( output );
|
|
psa_destroy_key( handle );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void cipher_encrypt_multipart( int alg_arg, int key_type_arg,
|
|
data_t *key, data_t *iv,
|
|
data_t *input,
|
|
int first_part_size_arg,
|
|
int output1_length_arg, int output2_length_arg,
|
|
data_t *expected_output )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_type_t key_type = key_type_arg;
|
|
psa_algorithm_t alg = alg_arg;
|
|
size_t first_part_size = first_part_size_arg;
|
|
size_t output1_length = output1_length_arg;
|
|
size_t output2_length = output2_length_arg;
|
|
unsigned char *output = NULL;
|
|
size_t output_buffer_size = 0;
|
|
size_t function_output_length = 0;
|
|
size_t total_output_length = 0;
|
|
psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_ENCRYPT );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
|
|
PSA_ASSERT( psa_import_key( &attributes, key->x, key->len, &handle ) );
|
|
|
|
PSA_ASSERT( psa_cipher_encrypt_setup( &operation,
|
|
handle, alg ) );
|
|
|
|
PSA_ASSERT( psa_cipher_set_iv( &operation, iv->x, iv->len ) );
|
|
output_buffer_size = ( (size_t) input->len +
|
|
PSA_BLOCK_CIPHER_BLOCK_SIZE( key_type ) );
|
|
ASSERT_ALLOC( output, output_buffer_size );
|
|
|
|
TEST_ASSERT( first_part_size <= input->len );
|
|
PSA_ASSERT( psa_cipher_update( &operation, input->x, first_part_size,
|
|
output, output_buffer_size,
|
|
&function_output_length ) );
|
|
TEST_ASSERT( function_output_length == output1_length );
|
|
total_output_length += function_output_length;
|
|
PSA_ASSERT( psa_cipher_update( &operation,
|
|
input->x + first_part_size,
|
|
input->len - first_part_size,
|
|
output + total_output_length,
|
|
output_buffer_size - total_output_length,
|
|
&function_output_length ) );
|
|
TEST_ASSERT( function_output_length == output2_length );
|
|
total_output_length += function_output_length;
|
|
PSA_ASSERT( psa_cipher_finish( &operation,
|
|
output + total_output_length,
|
|
output_buffer_size - total_output_length,
|
|
&function_output_length ) );
|
|
total_output_length += function_output_length;
|
|
PSA_ASSERT( psa_cipher_abort( &operation ) );
|
|
|
|
ASSERT_COMPARE( expected_output->x, expected_output->len,
|
|
output, total_output_length );
|
|
|
|
exit:
|
|
mbedtls_free( output );
|
|
psa_destroy_key( handle );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void cipher_decrypt_multipart( int alg_arg, int key_type_arg,
|
|
data_t *key, data_t *iv,
|
|
data_t *input,
|
|
int first_part_size_arg,
|
|
int output1_length_arg, int output2_length_arg,
|
|
data_t *expected_output )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
|
|
psa_key_type_t key_type = key_type_arg;
|
|
psa_algorithm_t alg = alg_arg;
|
|
size_t first_part_size = first_part_size_arg;
|
|
size_t output1_length = output1_length_arg;
|
|
size_t output2_length = output2_length_arg;
|
|
unsigned char *output = NULL;
|
|
size_t output_buffer_size = 0;
|
|
size_t function_output_length = 0;
|
|
size_t total_output_length = 0;
|
|
psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_DECRYPT );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
|
|
PSA_ASSERT( psa_import_key( &attributes, key->x, key->len, &handle ) );
|
|
|
|
PSA_ASSERT( psa_cipher_decrypt_setup( &operation,
|
|
handle, alg ) );
|
|
|
|
PSA_ASSERT( psa_cipher_set_iv( &operation, iv->x, iv->len ) );
|
|
|
|
output_buffer_size = ( (size_t) input->len +
|
|
PSA_BLOCK_CIPHER_BLOCK_SIZE( key_type ) );
|
|
ASSERT_ALLOC( output, output_buffer_size );
|
|
|
|
TEST_ASSERT( first_part_size <= input->len );
|
|
PSA_ASSERT( psa_cipher_update( &operation,
|
|
input->x, first_part_size,
|
|
output, output_buffer_size,
|
|
&function_output_length ) );
|
|
TEST_ASSERT( function_output_length == output1_length );
|
|
total_output_length += function_output_length;
|
|
PSA_ASSERT( psa_cipher_update( &operation,
|
|
input->x + first_part_size,
|
|
input->len - first_part_size,
|
|
output + total_output_length,
|
|
output_buffer_size - total_output_length,
|
|
&function_output_length ) );
|
|
TEST_ASSERT( function_output_length == output2_length );
|
|
total_output_length += function_output_length;
|
|
PSA_ASSERT( psa_cipher_finish( &operation,
|
|
output + total_output_length,
|
|
output_buffer_size - total_output_length,
|
|
&function_output_length ) );
|
|
total_output_length += function_output_length;
|
|
PSA_ASSERT( psa_cipher_abort( &operation ) );
|
|
|
|
ASSERT_COMPARE( expected_output->x, expected_output->len,
|
|
output, total_output_length );
|
|
|
|
exit:
|
|
mbedtls_free( output );
|
|
psa_destroy_key( handle );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void cipher_decrypt( int alg_arg, int key_type_arg,
|
|
data_t *key, data_t *iv,
|
|
data_t *input, data_t *expected_output,
|
|
int expected_status_arg )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_status_t status;
|
|
psa_key_type_t key_type = key_type_arg;
|
|
psa_algorithm_t alg = alg_arg;
|
|
psa_status_t expected_status = expected_status_arg;
|
|
unsigned char *output = NULL;
|
|
size_t output_buffer_size = 0;
|
|
size_t function_output_length = 0;
|
|
size_t total_output_length = 0;
|
|
psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_DECRYPT );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
|
|
PSA_ASSERT( psa_import_key( &attributes, key->x, key->len, &handle ) );
|
|
|
|
PSA_ASSERT( psa_cipher_decrypt_setup( &operation,
|
|
handle, alg ) );
|
|
|
|
PSA_ASSERT( psa_cipher_set_iv( &operation, iv->x, iv->len ) );
|
|
|
|
output_buffer_size = ( (size_t) input->len +
|
|
PSA_BLOCK_CIPHER_BLOCK_SIZE( key_type ) );
|
|
ASSERT_ALLOC( output, output_buffer_size );
|
|
|
|
PSA_ASSERT( psa_cipher_update( &operation,
|
|
input->x, input->len,
|
|
output, output_buffer_size,
|
|
&function_output_length ) );
|
|
total_output_length += function_output_length;
|
|
status = psa_cipher_finish( &operation,
|
|
output + total_output_length,
|
|
output_buffer_size - total_output_length,
|
|
&function_output_length );
|
|
total_output_length += function_output_length;
|
|
TEST_EQUAL( status, expected_status );
|
|
|
|
if( expected_status == PSA_SUCCESS )
|
|
{
|
|
PSA_ASSERT( psa_cipher_abort( &operation ) );
|
|
ASSERT_COMPARE( expected_output->x, expected_output->len,
|
|
output, total_output_length );
|
|
}
|
|
|
|
exit:
|
|
mbedtls_free( output );
|
|
psa_destroy_key( handle );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void cipher_verify_output( int alg_arg, int key_type_arg,
|
|
data_t *key,
|
|
data_t *input )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_type_t key_type = key_type_arg;
|
|
psa_algorithm_t alg = alg_arg;
|
|
unsigned char iv[16] = {0};
|
|
size_t iv_size = 16;
|
|
size_t iv_length = 0;
|
|
unsigned char *output1 = NULL;
|
|
size_t output1_size = 0;
|
|
size_t output1_length = 0;
|
|
unsigned char *output2 = NULL;
|
|
size_t output2_size = 0;
|
|
size_t output2_length = 0;
|
|
size_t function_output_length = 0;
|
|
psa_cipher_operation_t operation1 = PSA_CIPHER_OPERATION_INIT;
|
|
psa_cipher_operation_t operation2 = PSA_CIPHER_OPERATION_INIT;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
|
|
PSA_ASSERT( psa_import_key( &attributes, key->x, key->len, &handle ) );
|
|
|
|
PSA_ASSERT( psa_cipher_encrypt_setup( &operation1,
|
|
handle, alg ) );
|
|
PSA_ASSERT( psa_cipher_decrypt_setup( &operation2,
|
|
handle, alg ) );
|
|
|
|
PSA_ASSERT( psa_cipher_generate_iv( &operation1,
|
|
iv, iv_size,
|
|
&iv_length ) );
|
|
output1_size = ( (size_t) input->len +
|
|
PSA_BLOCK_CIPHER_BLOCK_SIZE( key_type ) );
|
|
ASSERT_ALLOC( output1, output1_size );
|
|
|
|
PSA_ASSERT( psa_cipher_update( &operation1, input->x, input->len,
|
|
output1, output1_size,
|
|
&output1_length ) );
|
|
PSA_ASSERT( psa_cipher_finish( &operation1,
|
|
output1 + output1_length,
|
|
output1_size - output1_length,
|
|
&function_output_length ) );
|
|
|
|
output1_length += function_output_length;
|
|
|
|
PSA_ASSERT( psa_cipher_abort( &operation1 ) );
|
|
|
|
output2_size = output1_length;
|
|
ASSERT_ALLOC( output2, output2_size );
|
|
|
|
PSA_ASSERT( psa_cipher_set_iv( &operation2,
|
|
iv, iv_length ) );
|
|
PSA_ASSERT( psa_cipher_update( &operation2, output1, output1_length,
|
|
output2, output2_size,
|
|
&output2_length ) );
|
|
function_output_length = 0;
|
|
PSA_ASSERT( psa_cipher_finish( &operation2,
|
|
output2 + output2_length,
|
|
output2_size - output2_length,
|
|
&function_output_length ) );
|
|
|
|
output2_length += function_output_length;
|
|
|
|
PSA_ASSERT( psa_cipher_abort( &operation2 ) );
|
|
|
|
ASSERT_COMPARE( input->x, input->len, output2, output2_length );
|
|
|
|
exit:
|
|
mbedtls_free( output1 );
|
|
mbedtls_free( output2 );
|
|
psa_destroy_key( handle );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void cipher_verify_output_multipart( int alg_arg,
|
|
int key_type_arg,
|
|
data_t *key,
|
|
data_t *input,
|
|
int first_part_size_arg )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_type_t key_type = key_type_arg;
|
|
psa_algorithm_t alg = alg_arg;
|
|
size_t first_part_size = first_part_size_arg;
|
|
unsigned char iv[16] = {0};
|
|
size_t iv_size = 16;
|
|
size_t iv_length = 0;
|
|
unsigned char *output1 = NULL;
|
|
size_t output1_buffer_size = 0;
|
|
size_t output1_length = 0;
|
|
unsigned char *output2 = NULL;
|
|
size_t output2_buffer_size = 0;
|
|
size_t output2_length = 0;
|
|
size_t function_output_length;
|
|
psa_cipher_operation_t operation1 = PSA_CIPHER_OPERATION_INIT;
|
|
psa_cipher_operation_t operation2 = PSA_CIPHER_OPERATION_INIT;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
|
|
PSA_ASSERT( psa_import_key( &attributes, key->x, key->len, &handle ) );
|
|
|
|
PSA_ASSERT( psa_cipher_encrypt_setup( &operation1,
|
|
handle, alg ) );
|
|
PSA_ASSERT( psa_cipher_decrypt_setup( &operation2,
|
|
handle, alg ) );
|
|
|
|
PSA_ASSERT( psa_cipher_generate_iv( &operation1,
|
|
iv, iv_size,
|
|
&iv_length ) );
|
|
output1_buffer_size = ( (size_t) input->len +
|
|
PSA_BLOCK_CIPHER_BLOCK_SIZE( key_type ) );
|
|
ASSERT_ALLOC( output1, output1_buffer_size );
|
|
|
|
TEST_ASSERT( first_part_size <= input->len );
|
|
|
|
PSA_ASSERT( psa_cipher_update( &operation1, input->x, first_part_size,
|
|
output1, output1_buffer_size,
|
|
&function_output_length ) );
|
|
output1_length += function_output_length;
|
|
|
|
PSA_ASSERT( psa_cipher_update( &operation1,
|
|
input->x + first_part_size,
|
|
input->len - first_part_size,
|
|
output1, output1_buffer_size,
|
|
&function_output_length ) );
|
|
output1_length += function_output_length;
|
|
|
|
PSA_ASSERT( psa_cipher_finish( &operation1,
|
|
output1 + output1_length,
|
|
output1_buffer_size - output1_length,
|
|
&function_output_length ) );
|
|
output1_length += function_output_length;
|
|
|
|
PSA_ASSERT( psa_cipher_abort( &operation1 ) );
|
|
|
|
output2_buffer_size = output1_length;
|
|
ASSERT_ALLOC( output2, output2_buffer_size );
|
|
|
|
PSA_ASSERT( psa_cipher_set_iv( &operation2,
|
|
iv, iv_length ) );
|
|
|
|
PSA_ASSERT( psa_cipher_update( &operation2, output1, first_part_size,
|
|
output2, output2_buffer_size,
|
|
&function_output_length ) );
|
|
output2_length += function_output_length;
|
|
|
|
PSA_ASSERT( psa_cipher_update( &operation2,
|
|
output1 + first_part_size,
|
|
output1_length - first_part_size,
|
|
output2, output2_buffer_size,
|
|
&function_output_length ) );
|
|
output2_length += function_output_length;
|
|
|
|
PSA_ASSERT( psa_cipher_finish( &operation2,
|
|
output2 + output2_length,
|
|
output2_buffer_size - output2_length,
|
|
&function_output_length ) );
|
|
output2_length += function_output_length;
|
|
|
|
PSA_ASSERT( psa_cipher_abort( &operation2 ) );
|
|
|
|
ASSERT_COMPARE( input->x, input->len, output2, output2_length );
|
|
|
|
exit:
|
|
mbedtls_free( output1 );
|
|
mbedtls_free( output2 );
|
|
psa_destroy_key( handle );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void aead_encrypt_decrypt( int key_type_arg, data_t *key_data,
|
|
int alg_arg,
|
|
data_t *nonce,
|
|
data_t *additional_data,
|
|
data_t *input_data,
|
|
int expected_result_arg )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_type_t key_type = key_type_arg;
|
|
psa_algorithm_t alg = alg_arg;
|
|
unsigned char *output_data = NULL;
|
|
size_t output_size = 0;
|
|
size_t output_length = 0;
|
|
unsigned char *output_data2 = NULL;
|
|
size_t output_length2 = 0;
|
|
size_t tag_length = PSA_AEAD_TAG_LENGTH( alg );
|
|
psa_status_t expected_result = expected_result_arg;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
|
|
output_size = input_data->len + tag_length;
|
|
/* For all currently defined algorithms, PSA_AEAD_ENCRYPT_OUTPUT_SIZE
|
|
* should be exact. */
|
|
if( expected_result != PSA_ERROR_INVALID_ARGUMENT )
|
|
TEST_EQUAL( output_size,
|
|
PSA_AEAD_ENCRYPT_OUTPUT_SIZE( alg, input_data->len ) );
|
|
ASSERT_ALLOC( output_data, output_size );
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
|
|
PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len,
|
|
&handle ) );
|
|
|
|
TEST_EQUAL( psa_aead_encrypt( handle, alg,
|
|
nonce->x, nonce->len,
|
|
additional_data->x,
|
|
additional_data->len,
|
|
input_data->x, input_data->len,
|
|
output_data, output_size,
|
|
&output_length ),
|
|
expected_result );
|
|
|
|
if( PSA_SUCCESS == expected_result )
|
|
{
|
|
ASSERT_ALLOC( output_data2, output_length );
|
|
|
|
/* For all currently defined algorithms, PSA_AEAD_DECRYPT_OUTPUT_SIZE
|
|
* should be exact. */
|
|
TEST_EQUAL( input_data->len,
|
|
PSA_AEAD_DECRYPT_OUTPUT_SIZE( alg, output_length ) );
|
|
|
|
TEST_EQUAL( psa_aead_decrypt( handle, alg,
|
|
nonce->x, nonce->len,
|
|
additional_data->x,
|
|
additional_data->len,
|
|
output_data, output_length,
|
|
output_data2, output_length,
|
|
&output_length2 ),
|
|
expected_result );
|
|
|
|
ASSERT_COMPARE( input_data->x, input_data->len,
|
|
output_data2, output_length2 );
|
|
}
|
|
|
|
exit:
|
|
psa_destroy_key( handle );
|
|
mbedtls_free( output_data );
|
|
mbedtls_free( output_data2 );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void aead_encrypt( int key_type_arg, data_t *key_data,
|
|
int alg_arg,
|
|
data_t *nonce,
|
|
data_t *additional_data,
|
|
data_t *input_data,
|
|
data_t *expected_result )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_type_t key_type = key_type_arg;
|
|
psa_algorithm_t alg = alg_arg;
|
|
unsigned char *output_data = NULL;
|
|
size_t output_size = 0;
|
|
size_t output_length = 0;
|
|
size_t tag_length = PSA_AEAD_TAG_LENGTH( alg );
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
|
|
output_size = input_data->len + tag_length;
|
|
/* For all currently defined algorithms, PSA_AEAD_ENCRYPT_OUTPUT_SIZE
|
|
* should be exact. */
|
|
TEST_EQUAL( output_size,
|
|
PSA_AEAD_ENCRYPT_OUTPUT_SIZE( alg, input_data->len ) );
|
|
ASSERT_ALLOC( output_data, output_size );
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_ENCRYPT );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
|
|
PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len,
|
|
&handle ) );
|
|
|
|
PSA_ASSERT( psa_aead_encrypt( handle, alg,
|
|
nonce->x, nonce->len,
|
|
additional_data->x, additional_data->len,
|
|
input_data->x, input_data->len,
|
|
output_data, output_size,
|
|
&output_length ) );
|
|
|
|
ASSERT_COMPARE( expected_result->x, expected_result->len,
|
|
output_data, output_length );
|
|
|
|
exit:
|
|
psa_destroy_key( handle );
|
|
mbedtls_free( output_data );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void aead_decrypt( int key_type_arg, data_t *key_data,
|
|
int alg_arg,
|
|
data_t *nonce,
|
|
data_t *additional_data,
|
|
data_t *input_data,
|
|
data_t *expected_data,
|
|
int expected_result_arg )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_type_t key_type = key_type_arg;
|
|
psa_algorithm_t alg = alg_arg;
|
|
unsigned char *output_data = NULL;
|
|
size_t output_size = 0;
|
|
size_t output_length = 0;
|
|
size_t tag_length = PSA_AEAD_TAG_LENGTH( alg );
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_status_t expected_result = expected_result_arg;
|
|
|
|
output_size = input_data->len - tag_length;
|
|
/* For all currently defined algorithms, PSA_AEAD_DECRYPT_OUTPUT_SIZE
|
|
* should be exact. */
|
|
if( expected_result != PSA_ERROR_INVALID_ARGUMENT )
|
|
TEST_EQUAL( output_size,
|
|
PSA_AEAD_DECRYPT_OUTPUT_SIZE( alg, input_data->len ) );
|
|
ASSERT_ALLOC( output_data, output_size );
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_DECRYPT );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
|
|
PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len,
|
|
&handle ) );
|
|
|
|
TEST_EQUAL( psa_aead_decrypt( handle, alg,
|
|
nonce->x, nonce->len,
|
|
additional_data->x,
|
|
additional_data->len,
|
|
input_data->x, input_data->len,
|
|
output_data, output_size,
|
|
&output_length ),
|
|
expected_result );
|
|
|
|
if( expected_result == PSA_SUCCESS )
|
|
ASSERT_COMPARE( expected_data->x, expected_data->len,
|
|
output_data, output_length );
|
|
|
|
exit:
|
|
psa_destroy_key( handle );
|
|
mbedtls_free( output_data );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void signature_size( int type_arg,
|
|
int bits,
|
|
int alg_arg,
|
|
int expected_size_arg )
|
|
{
|
|
psa_key_type_t type = type_arg;
|
|
psa_algorithm_t alg = alg_arg;
|
|
size_t actual_size = PSA_ASYMMETRIC_SIGN_OUTPUT_SIZE( type, bits, alg );
|
|
TEST_EQUAL( actual_size, (size_t) expected_size_arg );
|
|
exit:
|
|
;
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void sign_deterministic( int key_type_arg, data_t *key_data,
|
|
int alg_arg, data_t *input_data,
|
|
data_t *output_data )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_type_t key_type = key_type_arg;
|
|
psa_algorithm_t alg = alg_arg;
|
|
size_t key_bits;
|
|
unsigned char *signature = NULL;
|
|
size_t signature_size;
|
|
size_t signature_length = 0xdeadbeef;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_SIGN );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
|
|
PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len,
|
|
&handle ) );
|
|
PSA_ASSERT( psa_get_key_attributes( handle, &attributes ) );
|
|
key_bits = psa_get_key_bits( &attributes );
|
|
|
|
/* Allocate a buffer which has the size advertized by the
|
|
* library. */
|
|
signature_size = PSA_ASYMMETRIC_SIGN_OUTPUT_SIZE( key_type,
|
|
key_bits, alg );
|
|
TEST_ASSERT( signature_size != 0 );
|
|
TEST_ASSERT( signature_size <= PSA_ASYMMETRIC_SIGNATURE_MAX_SIZE );
|
|
ASSERT_ALLOC( signature, signature_size );
|
|
|
|
/* Perform the signature. */
|
|
PSA_ASSERT( psa_asymmetric_sign( handle, alg,
|
|
input_data->x, input_data->len,
|
|
signature, signature_size,
|
|
&signature_length ) );
|
|
/* Verify that the signature is what is expected. */
|
|
ASSERT_COMPARE( output_data->x, output_data->len,
|
|
signature, signature_length );
|
|
|
|
exit:
|
|
psa_reset_key_attributes( &attributes );
|
|
psa_destroy_key( handle );
|
|
mbedtls_free( signature );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void sign_fail( int key_type_arg, data_t *key_data,
|
|
int alg_arg, data_t *input_data,
|
|
int signature_size_arg, int expected_status_arg )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_type_t key_type = key_type_arg;
|
|
psa_algorithm_t alg = alg_arg;
|
|
size_t signature_size = signature_size_arg;
|
|
psa_status_t actual_status;
|
|
psa_status_t expected_status = expected_status_arg;
|
|
unsigned char *signature = NULL;
|
|
size_t signature_length = 0xdeadbeef;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
|
|
ASSERT_ALLOC( signature, signature_size );
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_SIGN );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
|
|
PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len,
|
|
&handle ) );
|
|
|
|
actual_status = psa_asymmetric_sign( handle, alg,
|
|
input_data->x, input_data->len,
|
|
signature, signature_size,
|
|
&signature_length );
|
|
TEST_EQUAL( actual_status, expected_status );
|
|
/* The value of *signature_length is unspecified on error, but
|
|
* whatever it is, it should be less than signature_size, so that
|
|
* if the caller tries to read *signature_length bytes without
|
|
* checking the error code then they don't overflow a buffer. */
|
|
TEST_ASSERT( signature_length <= signature_size );
|
|
|
|
exit:
|
|
psa_reset_key_attributes( &attributes );
|
|
psa_destroy_key( handle );
|
|
mbedtls_free( signature );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void sign_verify( int key_type_arg, data_t *key_data,
|
|
int alg_arg, data_t *input_data )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_type_t key_type = key_type_arg;
|
|
psa_algorithm_t alg = alg_arg;
|
|
size_t key_bits;
|
|
unsigned char *signature = NULL;
|
|
size_t signature_size;
|
|
size_t signature_length = 0xdeadbeef;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_SIGN | PSA_KEY_USAGE_VERIFY );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
|
|
PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len,
|
|
&handle ) );
|
|
PSA_ASSERT( psa_get_key_attributes( handle, &attributes ) );
|
|
key_bits = psa_get_key_bits( &attributes );
|
|
|
|
/* Allocate a buffer which has the size advertized by the
|
|
* library. */
|
|
signature_size = PSA_ASYMMETRIC_SIGN_OUTPUT_SIZE( key_type,
|
|
key_bits, alg );
|
|
TEST_ASSERT( signature_size != 0 );
|
|
TEST_ASSERT( signature_size <= PSA_ASYMMETRIC_SIGNATURE_MAX_SIZE );
|
|
ASSERT_ALLOC( signature, signature_size );
|
|
|
|
/* Perform the signature. */
|
|
PSA_ASSERT( psa_asymmetric_sign( handle, alg,
|
|
input_data->x, input_data->len,
|
|
signature, signature_size,
|
|
&signature_length ) );
|
|
/* Check that the signature length looks sensible. */
|
|
TEST_ASSERT( signature_length <= signature_size );
|
|
TEST_ASSERT( signature_length > 0 );
|
|
|
|
/* Use the library to verify that the signature is correct. */
|
|
PSA_ASSERT( psa_asymmetric_verify(
|
|
handle, alg,
|
|
input_data->x, input_data->len,
|
|
signature, signature_length ) );
|
|
|
|
if( input_data->len != 0 )
|
|
{
|
|
/* Flip a bit in the input and verify that the signature is now
|
|
* detected as invalid. Flip a bit at the beginning, not at the end,
|
|
* because ECDSA may ignore the last few bits of the input. */
|
|
input_data->x[0] ^= 1;
|
|
TEST_EQUAL( psa_asymmetric_verify( handle, alg,
|
|
input_data->x, input_data->len,
|
|
signature, signature_length ),
|
|
PSA_ERROR_INVALID_SIGNATURE );
|
|
}
|
|
|
|
exit:
|
|
psa_reset_key_attributes( &attributes );
|
|
psa_destroy_key( handle );
|
|
mbedtls_free( signature );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void asymmetric_verify( int key_type_arg, data_t *key_data,
|
|
int alg_arg, data_t *hash_data,
|
|
data_t *signature_data )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_type_t key_type = key_type_arg;
|
|
psa_algorithm_t alg = alg_arg;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
|
|
TEST_ASSERT( signature_data->len <= PSA_ASYMMETRIC_SIGNATURE_MAX_SIZE );
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_VERIFY );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
|
|
PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len,
|
|
&handle ) );
|
|
|
|
PSA_ASSERT( psa_asymmetric_verify( handle, alg,
|
|
hash_data->x, hash_data->len,
|
|
signature_data->x,
|
|
signature_data->len ) );
|
|
exit:
|
|
psa_reset_key_attributes( &attributes );
|
|
psa_destroy_key( handle );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void asymmetric_verify_fail( int key_type_arg, data_t *key_data,
|
|
int alg_arg, data_t *hash_data,
|
|
data_t *signature_data,
|
|
int expected_status_arg )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_type_t key_type = key_type_arg;
|
|
psa_algorithm_t alg = alg_arg;
|
|
psa_status_t actual_status;
|
|
psa_status_t expected_status = expected_status_arg;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_VERIFY );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
|
|
PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len,
|
|
&handle ) );
|
|
|
|
actual_status = psa_asymmetric_verify( handle, alg,
|
|
hash_data->x, hash_data->len,
|
|
signature_data->x,
|
|
signature_data->len );
|
|
|
|
TEST_EQUAL( actual_status, expected_status );
|
|
|
|
exit:
|
|
psa_reset_key_attributes( &attributes );
|
|
psa_destroy_key( handle );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void asymmetric_encrypt( int key_type_arg,
|
|
data_t *key_data,
|
|
int alg_arg,
|
|
data_t *input_data,
|
|
data_t *label,
|
|
int expected_output_length_arg,
|
|
int expected_status_arg )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_type_t key_type = key_type_arg;
|
|
psa_algorithm_t alg = alg_arg;
|
|
size_t expected_output_length = expected_output_length_arg;
|
|
size_t key_bits;
|
|
unsigned char *output = NULL;
|
|
size_t output_size;
|
|
size_t output_length = ~0;
|
|
psa_status_t actual_status;
|
|
psa_status_t expected_status = expected_status_arg;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
/* Import the key */
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_ENCRYPT );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len,
|
|
&handle ) );
|
|
|
|
/* Determine the maximum output length */
|
|
PSA_ASSERT( psa_get_key_attributes( handle, &attributes ) );
|
|
key_bits = psa_get_key_bits( &attributes );
|
|
output_size = PSA_ASYMMETRIC_ENCRYPT_OUTPUT_SIZE( key_type, key_bits, alg );
|
|
ASSERT_ALLOC( output, output_size );
|
|
|
|
/* Encrypt the input */
|
|
actual_status = psa_asymmetric_encrypt( handle, alg,
|
|
input_data->x, input_data->len,
|
|
label->x, label->len,
|
|
output, output_size,
|
|
&output_length );
|
|
TEST_EQUAL( actual_status, expected_status );
|
|
TEST_EQUAL( output_length, expected_output_length );
|
|
|
|
/* If the label is empty, the test framework puts a non-null pointer
|
|
* in label->x. Test that a null pointer works as well. */
|
|
if( label->len == 0 )
|
|
{
|
|
output_length = ~0;
|
|
if( output_size != 0 )
|
|
memset( output, 0, output_size );
|
|
actual_status = psa_asymmetric_encrypt( handle, alg,
|
|
input_data->x, input_data->len,
|
|
NULL, label->len,
|
|
output, output_size,
|
|
&output_length );
|
|
TEST_EQUAL( actual_status, expected_status );
|
|
TEST_EQUAL( output_length, expected_output_length );
|
|
}
|
|
|
|
exit:
|
|
psa_reset_key_attributes( &attributes );
|
|
psa_destroy_key( handle );
|
|
mbedtls_free( output );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void asymmetric_encrypt_decrypt( int key_type_arg,
|
|
data_t *key_data,
|
|
int alg_arg,
|
|
data_t *input_data,
|
|
data_t *label )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_type_t key_type = key_type_arg;
|
|
psa_algorithm_t alg = alg_arg;
|
|
size_t key_bits;
|
|
unsigned char *output = NULL;
|
|
size_t output_size;
|
|
size_t output_length = ~0;
|
|
unsigned char *output2 = NULL;
|
|
size_t output2_size;
|
|
size_t output2_length = ~0;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
|
|
PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len,
|
|
&handle ) );
|
|
|
|
/* Determine the maximum ciphertext length */
|
|
PSA_ASSERT( psa_get_key_attributes( handle, &attributes ) );
|
|
key_bits = psa_get_key_bits( &attributes );
|
|
output_size = PSA_ASYMMETRIC_ENCRYPT_OUTPUT_SIZE( key_type, key_bits, alg );
|
|
ASSERT_ALLOC( output, output_size );
|
|
output2_size = input_data->len;
|
|
ASSERT_ALLOC( output2, output2_size );
|
|
|
|
/* We test encryption by checking that encrypt-then-decrypt gives back
|
|
* the original plaintext because of the non-optional random
|
|
* part of encryption process which prevents using fixed vectors. */
|
|
PSA_ASSERT( psa_asymmetric_encrypt( handle, alg,
|
|
input_data->x, input_data->len,
|
|
label->x, label->len,
|
|
output, output_size,
|
|
&output_length ) );
|
|
/* We don't know what ciphertext length to expect, but check that
|
|
* it looks sensible. */
|
|
TEST_ASSERT( output_length <= output_size );
|
|
|
|
PSA_ASSERT( psa_asymmetric_decrypt( handle, alg,
|
|
output, output_length,
|
|
label->x, label->len,
|
|
output2, output2_size,
|
|
&output2_length ) );
|
|
ASSERT_COMPARE( input_data->x, input_data->len,
|
|
output2, output2_length );
|
|
|
|
exit:
|
|
psa_reset_key_attributes( &attributes );
|
|
psa_destroy_key( handle );
|
|
mbedtls_free( output );
|
|
mbedtls_free( output2 );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void asymmetric_decrypt( int key_type_arg,
|
|
data_t *key_data,
|
|
int alg_arg,
|
|
data_t *input_data,
|
|
data_t *label,
|
|
data_t *expected_data )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_type_t key_type = key_type_arg;
|
|
psa_algorithm_t alg = alg_arg;
|
|
unsigned char *output = NULL;
|
|
size_t output_size = 0;
|
|
size_t output_length = ~0;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
|
|
output_size = expected_data->len;
|
|
ASSERT_ALLOC( output, output_size );
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_DECRYPT );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
|
|
PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len,
|
|
&handle ) );
|
|
|
|
PSA_ASSERT( psa_asymmetric_decrypt( handle, alg,
|
|
input_data->x, input_data->len,
|
|
label->x, label->len,
|
|
output,
|
|
output_size,
|
|
&output_length ) );
|
|
ASSERT_COMPARE( expected_data->x, expected_data->len,
|
|
output, output_length );
|
|
|
|
/* If the label is empty, the test framework puts a non-null pointer
|
|
* in label->x. Test that a null pointer works as well. */
|
|
if( label->len == 0 )
|
|
{
|
|
output_length = ~0;
|
|
if( output_size != 0 )
|
|
memset( output, 0, output_size );
|
|
PSA_ASSERT( psa_asymmetric_decrypt( handle, alg,
|
|
input_data->x, input_data->len,
|
|
NULL, label->len,
|
|
output,
|
|
output_size,
|
|
&output_length ) );
|
|
ASSERT_COMPARE( expected_data->x, expected_data->len,
|
|
output, output_length );
|
|
}
|
|
|
|
exit:
|
|
psa_reset_key_attributes( &attributes );
|
|
psa_destroy_key( handle );
|
|
mbedtls_free( output );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void asymmetric_decrypt_fail( int key_type_arg,
|
|
data_t *key_data,
|
|
int alg_arg,
|
|
data_t *input_data,
|
|
data_t *label,
|
|
int output_size_arg,
|
|
int expected_status_arg )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_type_t key_type = key_type_arg;
|
|
psa_algorithm_t alg = alg_arg;
|
|
unsigned char *output = NULL;
|
|
size_t output_size = output_size_arg;
|
|
size_t output_length = ~0;
|
|
psa_status_t actual_status;
|
|
psa_status_t expected_status = expected_status_arg;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
|
|
ASSERT_ALLOC( output, output_size );
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_DECRYPT );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
|
|
PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len,
|
|
&handle ) );
|
|
|
|
actual_status = psa_asymmetric_decrypt( handle, alg,
|
|
input_data->x, input_data->len,
|
|
label->x, label->len,
|
|
output, output_size,
|
|
&output_length );
|
|
TEST_EQUAL( actual_status, expected_status );
|
|
TEST_ASSERT( output_length <= output_size );
|
|
|
|
/* If the label is empty, the test framework puts a non-null pointer
|
|
* in label->x. Test that a null pointer works as well. */
|
|
if( label->len == 0 )
|
|
{
|
|
output_length = ~0;
|
|
if( output_size != 0 )
|
|
memset( output, 0, output_size );
|
|
actual_status = psa_asymmetric_decrypt( handle, alg,
|
|
input_data->x, input_data->len,
|
|
NULL, label->len,
|
|
output, output_size,
|
|
&output_length );
|
|
TEST_EQUAL( actual_status, expected_status );
|
|
TEST_ASSERT( output_length <= output_size );
|
|
}
|
|
|
|
exit:
|
|
psa_reset_key_attributes( &attributes );
|
|
psa_destroy_key( handle );
|
|
mbedtls_free( output );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void key_derivation_init( )
|
|
{
|
|
/* Test each valid way of initializing the object, except for `= {0}`, as
|
|
* Clang 5 complains when `-Wmissing-field-initializers` is used, even
|
|
* though it's OK by the C standard. We could test for this, but we'd need
|
|
* to supress the Clang warning for the test. */
|
|
size_t capacity;
|
|
psa_key_derivation_operation_t func = psa_key_derivation_operation_init( );
|
|
psa_key_derivation_operation_t init = PSA_KEY_DERIVATION_OPERATION_INIT;
|
|
psa_key_derivation_operation_t zero;
|
|
|
|
memset( &zero, 0, sizeof( zero ) );
|
|
|
|
/* A default operation should not be able to report its capacity. */
|
|
TEST_EQUAL( psa_key_derivation_get_capacity( &func, &capacity ),
|
|
PSA_ERROR_BAD_STATE );
|
|
TEST_EQUAL( psa_key_derivation_get_capacity( &init, &capacity ),
|
|
PSA_ERROR_BAD_STATE );
|
|
TEST_EQUAL( psa_key_derivation_get_capacity( &zero, &capacity ),
|
|
PSA_ERROR_BAD_STATE );
|
|
|
|
/* A default operation should be abortable without error. */
|
|
PSA_ASSERT( psa_key_derivation_abort(&func) );
|
|
PSA_ASSERT( psa_key_derivation_abort(&init) );
|
|
PSA_ASSERT( psa_key_derivation_abort(&zero) );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void derive_setup( int alg_arg, int expected_status_arg )
|
|
{
|
|
psa_algorithm_t alg = alg_arg;
|
|
psa_status_t expected_status = expected_status_arg;
|
|
psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
TEST_EQUAL( psa_key_derivation_setup( &operation, alg ),
|
|
expected_status );
|
|
|
|
exit:
|
|
psa_key_derivation_abort( &operation );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void derive_set_capacity( int alg_arg, int capacity_arg,
|
|
int expected_status_arg )
|
|
{
|
|
psa_algorithm_t alg = alg_arg;
|
|
size_t capacity = capacity_arg;
|
|
psa_status_t expected_status = expected_status_arg;
|
|
psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
PSA_ASSERT( psa_key_derivation_setup( &operation, alg ) );
|
|
|
|
TEST_EQUAL( psa_key_derivation_set_capacity( &operation, capacity ),
|
|
expected_status );
|
|
|
|
exit:
|
|
psa_key_derivation_abort( &operation );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void derive_input( int alg_arg,
|
|
int key_type_arg,
|
|
int step1_arg, data_t *input1,
|
|
int step2_arg, data_t *input2,
|
|
int step3_arg, data_t *input3,
|
|
int expected_status_arg1,
|
|
int expected_status_arg2,
|
|
int expected_status_arg3 )
|
|
{
|
|
psa_algorithm_t alg = alg_arg;
|
|
size_t key_type = key_type_arg;
|
|
psa_key_derivation_step_t steps[] = {step1_arg, step2_arg, step3_arg};
|
|
psa_status_t expected_statuses[] = {expected_status_arg1,
|
|
expected_status_arg2,
|
|
expected_status_arg3};
|
|
data_t *inputs[] = {input1, input2, input3};
|
|
psa_key_handle_t handles[] = {0, 0, 0};
|
|
psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
size_t i;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_DERIVE );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
|
|
PSA_ASSERT( psa_key_derivation_setup( &operation, alg ) );
|
|
|
|
for( i = 0; i < ARRAY_LENGTH( steps ); i++ )
|
|
{
|
|
switch( steps[i] )
|
|
{
|
|
case PSA_KEY_DERIVATION_INPUT_SECRET:
|
|
PSA_ASSERT( psa_import_key( &attributes,
|
|
inputs[i]->x, inputs[i]->len,
|
|
&handles[i] ) );
|
|
TEST_EQUAL( psa_key_derivation_input_key( &operation, steps[i],
|
|
handles[i] ),
|
|
expected_statuses[i] );
|
|
break;
|
|
default:
|
|
TEST_EQUAL( psa_key_derivation_input_bytes(
|
|
&operation, steps[i],
|
|
inputs[i]->x, inputs[i]->len ),
|
|
expected_statuses[i] );
|
|
break;
|
|
}
|
|
}
|
|
|
|
exit:
|
|
psa_key_derivation_abort( &operation );
|
|
for( i = 0; i < ARRAY_LENGTH( handles ); i++ )
|
|
psa_destroy_key( handles[i] );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE depends_on:PSA_PRE_1_0_KEY_DERIVATION */
|
|
void test_derive_invalid_key_derivation_state( )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
size_t key_type = PSA_KEY_TYPE_DERIVE;
|
|
psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
|
|
psa_algorithm_t alg = PSA_ALG_HKDF( PSA_ALG_SHA_256 );
|
|
uint8_t buffer[42];
|
|
size_t capacity = sizeof( buffer );
|
|
const uint8_t key_data[22] = { 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
|
|
0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
|
|
0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b};
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_DERIVE );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, key_type );
|
|
|
|
PSA_ASSERT( psa_import_key( &attributes,
|
|
key_data, sizeof( key_data ),
|
|
&handle ) );
|
|
|
|
/* valid key derivation */
|
|
PSA_ASSERT( psa_key_derivation( &operation, handle, alg,
|
|
NULL, 0,
|
|
NULL, 0,
|
|
capacity ) );
|
|
|
|
/* state of operation shouldn't allow additional generation */
|
|
TEST_EQUAL( psa_key_derivation( &operation, handle, alg,
|
|
NULL, 0,
|
|
NULL, 0,
|
|
capacity ),
|
|
PSA_ERROR_BAD_STATE );
|
|
|
|
PSA_ASSERT( psa_key_derivation_output_bytes( &operation, buffer, capacity ) );
|
|
|
|
TEST_EQUAL( psa_key_derivation_output_bytes( &operation, buffer, capacity ),
|
|
PSA_ERROR_INSUFFICIENT_DATA );
|
|
|
|
exit:
|
|
psa_key_derivation_abort( &operation );
|
|
psa_destroy_key( handle );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void test_derive_invalid_key_derivation_tests( )
|
|
{
|
|
uint8_t output_buffer[16];
|
|
size_t buffer_size = 16;
|
|
size_t capacity = 0;
|
|
psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
|
|
|
|
TEST_ASSERT( psa_key_derivation_output_bytes( &operation,
|
|
output_buffer, buffer_size )
|
|
== PSA_ERROR_BAD_STATE );
|
|
|
|
TEST_ASSERT( psa_key_derivation_get_capacity( &operation, &capacity )
|
|
== PSA_ERROR_BAD_STATE );
|
|
|
|
PSA_ASSERT( psa_key_derivation_abort( &operation ) );
|
|
|
|
TEST_ASSERT( psa_key_derivation_output_bytes( &operation,
|
|
output_buffer, buffer_size )
|
|
== PSA_ERROR_BAD_STATE );
|
|
|
|
TEST_ASSERT( psa_key_derivation_get_capacity( &operation, &capacity )
|
|
== PSA_ERROR_BAD_STATE );
|
|
|
|
exit:
|
|
psa_key_derivation_abort( &operation );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void derive_output( int alg_arg,
|
|
int step1_arg, data_t *input1,
|
|
int step2_arg, data_t *input2,
|
|
int step3_arg, data_t *input3,
|
|
int requested_capacity_arg,
|
|
data_t *expected_output1,
|
|
data_t *expected_output2 )
|
|
{
|
|
psa_algorithm_t alg = alg_arg;
|
|
psa_key_derivation_step_t steps[] = {step1_arg, step2_arg, step3_arg};
|
|
data_t *inputs[] = {input1, input2, input3};
|
|
psa_key_handle_t handles[] = {0, 0, 0};
|
|
size_t requested_capacity = requested_capacity_arg;
|
|
psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
|
|
uint8_t *expected_outputs[2] =
|
|
{expected_output1->x, expected_output2->x};
|
|
size_t output_sizes[2] =
|
|
{expected_output1->len, expected_output2->len};
|
|
size_t output_buffer_size = 0;
|
|
uint8_t *output_buffer = NULL;
|
|
size_t expected_capacity;
|
|
size_t current_capacity;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_status_t status;
|
|
size_t i;
|
|
|
|
for( i = 0; i < ARRAY_LENGTH( expected_outputs ); i++ )
|
|
{
|
|
if( output_sizes[i] > output_buffer_size )
|
|
output_buffer_size = output_sizes[i];
|
|
if( output_sizes[i] == 0 )
|
|
expected_outputs[i] = NULL;
|
|
}
|
|
ASSERT_ALLOC( output_buffer, output_buffer_size );
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_DERIVE );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, PSA_KEY_TYPE_DERIVE );
|
|
|
|
/* Extraction phase. */
|
|
PSA_ASSERT( psa_key_derivation_setup( &operation, alg ) );
|
|
PSA_ASSERT( psa_key_derivation_set_capacity( &operation,
|
|
requested_capacity ) );
|
|
for( i = 0; i < ARRAY_LENGTH( steps ); i++ )
|
|
{
|
|
switch( steps[i] )
|
|
{
|
|
case 0:
|
|
break;
|
|
case PSA_KEY_DERIVATION_INPUT_SECRET:
|
|
PSA_ASSERT( psa_import_key( &attributes,
|
|
inputs[i]->x, inputs[i]->len,
|
|
&handles[i] ) );
|
|
PSA_ASSERT( psa_key_derivation_input_key(
|
|
&operation, steps[i],
|
|
handles[i] ) );
|
|
break;
|
|
default:
|
|
PSA_ASSERT( psa_key_derivation_input_bytes(
|
|
&operation, steps[i],
|
|
inputs[i]->x, inputs[i]->len ) );
|
|
break;
|
|
}
|
|
}
|
|
|
|
PSA_ASSERT( psa_key_derivation_get_capacity( &operation,
|
|
¤t_capacity ) );
|
|
TEST_EQUAL( current_capacity, requested_capacity );
|
|
expected_capacity = requested_capacity;
|
|
|
|
/* Expansion phase. */
|
|
for( i = 0; i < ARRAY_LENGTH( expected_outputs ); i++ )
|
|
{
|
|
/* Read some bytes. */
|
|
status = psa_key_derivation_output_bytes( &operation,
|
|
output_buffer, output_sizes[i] );
|
|
if( expected_capacity == 0 && output_sizes[i] == 0 )
|
|
{
|
|
/* Reading 0 bytes when 0 bytes are available can go either way. */
|
|
TEST_ASSERT( status == PSA_SUCCESS ||
|
|
status == PSA_ERROR_INSUFFICIENT_DATA );
|
|
continue;
|
|
}
|
|
else if( expected_capacity == 0 ||
|
|
output_sizes[i] > expected_capacity )
|
|
{
|
|
/* Capacity exceeded. */
|
|
TEST_EQUAL( status, PSA_ERROR_INSUFFICIENT_DATA );
|
|
expected_capacity = 0;
|
|
continue;
|
|
}
|
|
/* Success. Check the read data. */
|
|
PSA_ASSERT( status );
|
|
if( output_sizes[i] != 0 )
|
|
ASSERT_COMPARE( output_buffer, output_sizes[i],
|
|
expected_outputs[i], output_sizes[i] );
|
|
/* Check the operation status. */
|
|
expected_capacity -= output_sizes[i];
|
|
PSA_ASSERT( psa_key_derivation_get_capacity( &operation,
|
|
¤t_capacity ) );
|
|
TEST_EQUAL( expected_capacity, current_capacity );
|
|
}
|
|
PSA_ASSERT( psa_key_derivation_abort( &operation ) );
|
|
|
|
exit:
|
|
mbedtls_free( output_buffer );
|
|
psa_key_derivation_abort( &operation );
|
|
for( i = 0; i < ARRAY_LENGTH( handles ); i++ )
|
|
psa_destroy_key( handles[i] );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void derive_full( int alg_arg,
|
|
data_t *key_data,
|
|
data_t *input1,
|
|
data_t *input2,
|
|
int requested_capacity_arg )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_algorithm_t alg = alg_arg;
|
|
size_t requested_capacity = requested_capacity_arg;
|
|
psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
|
|
unsigned char output_buffer[16];
|
|
size_t expected_capacity = requested_capacity;
|
|
size_t current_capacity;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_DERIVE );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, PSA_KEY_TYPE_DERIVE );
|
|
|
|
PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len,
|
|
&handle ) );
|
|
|
|
if( !setup_key_derivation_wrap( &operation, handle, alg,
|
|
input1->x, input1->len,
|
|
input2->x, input2->len,
|
|
requested_capacity ) )
|
|
goto exit;
|
|
|
|
PSA_ASSERT( psa_key_derivation_get_capacity( &operation,
|
|
¤t_capacity ) );
|
|
TEST_EQUAL( current_capacity, expected_capacity );
|
|
|
|
/* Expansion phase. */
|
|
while( current_capacity > 0 )
|
|
{
|
|
size_t read_size = sizeof( output_buffer );
|
|
if( read_size > current_capacity )
|
|
read_size = current_capacity;
|
|
PSA_ASSERT( psa_key_derivation_output_bytes( &operation,
|
|
output_buffer,
|
|
read_size ) );
|
|
expected_capacity -= read_size;
|
|
PSA_ASSERT( psa_key_derivation_get_capacity( &operation,
|
|
¤t_capacity ) );
|
|
TEST_EQUAL( current_capacity, expected_capacity );
|
|
}
|
|
|
|
/* Check that the operation refuses to go over capacity. */
|
|
TEST_EQUAL( psa_key_derivation_output_bytes( &operation, output_buffer, 1 ),
|
|
PSA_ERROR_INSUFFICIENT_DATA );
|
|
|
|
PSA_ASSERT( psa_key_derivation_abort( &operation ) );
|
|
|
|
exit:
|
|
psa_key_derivation_abort( &operation );
|
|
psa_destroy_key( handle );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void derive_key_exercise( int alg_arg,
|
|
data_t *key_data,
|
|
data_t *input1,
|
|
data_t *input2,
|
|
int derived_type_arg,
|
|
int derived_bits_arg,
|
|
int derived_usage_arg,
|
|
int derived_alg_arg )
|
|
{
|
|
psa_key_handle_t base_handle = 0;
|
|
psa_key_handle_t derived_handle = 0;
|
|
psa_algorithm_t alg = alg_arg;
|
|
psa_key_type_t derived_type = derived_type_arg;
|
|
size_t derived_bits = derived_bits_arg;
|
|
psa_key_usage_t derived_usage = derived_usage_arg;
|
|
psa_algorithm_t derived_alg = derived_alg_arg;
|
|
size_t capacity = PSA_BITS_TO_BYTES( derived_bits );
|
|
psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_key_attributes_t got_attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_DERIVE );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, PSA_KEY_TYPE_DERIVE );
|
|
PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len,
|
|
&base_handle ) );
|
|
|
|
/* Derive a key. */
|
|
if ( setup_key_derivation_wrap( &operation, base_handle, alg,
|
|
input1->x, input1->len,
|
|
input2->x, input2->len, capacity ) )
|
|
goto exit;
|
|
|
|
psa_set_key_usage_flags( &attributes, derived_usage );
|
|
psa_set_key_algorithm( &attributes, derived_alg );
|
|
psa_set_key_type( &attributes, derived_type );
|
|
psa_set_key_bits( &attributes, derived_bits );
|
|
PSA_ASSERT( psa_key_derivation_output_key( &attributes, &operation,
|
|
&derived_handle ) );
|
|
|
|
/* Test the key information */
|
|
PSA_ASSERT( psa_get_key_attributes( derived_handle, &got_attributes ) );
|
|
TEST_EQUAL( psa_get_key_type( &got_attributes ), derived_type );
|
|
TEST_EQUAL( psa_get_key_bits( &got_attributes ), derived_bits );
|
|
|
|
/* Exercise the derived key. */
|
|
if( ! exercise_key( derived_handle, derived_usage, derived_alg ) )
|
|
goto exit;
|
|
|
|
exit:
|
|
psa_key_derivation_abort( &operation );
|
|
psa_reset_key_attributes( &got_attributes );
|
|
psa_destroy_key( base_handle );
|
|
psa_destroy_key( derived_handle );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void derive_key_export( int alg_arg,
|
|
data_t *key_data,
|
|
data_t *input1,
|
|
data_t *input2,
|
|
int bytes1_arg,
|
|
int bytes2_arg )
|
|
{
|
|
psa_key_handle_t base_handle = 0;
|
|
psa_key_handle_t derived_handle = 0;
|
|
psa_algorithm_t alg = alg_arg;
|
|
size_t bytes1 = bytes1_arg;
|
|
size_t bytes2 = bytes2_arg;
|
|
size_t capacity = bytes1 + bytes2;
|
|
psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
|
|
uint8_t *output_buffer = NULL;
|
|
uint8_t *export_buffer = NULL;
|
|
psa_key_attributes_t base_attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_key_attributes_t derived_attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
size_t length;
|
|
|
|
ASSERT_ALLOC( output_buffer, capacity );
|
|
ASSERT_ALLOC( export_buffer, capacity );
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &base_attributes, PSA_KEY_USAGE_DERIVE );
|
|
psa_set_key_algorithm( &base_attributes, alg );
|
|
psa_set_key_type( &base_attributes, PSA_KEY_TYPE_DERIVE );
|
|
PSA_ASSERT( psa_import_key( &base_attributes, key_data->x, key_data->len,
|
|
&base_handle ) );
|
|
|
|
/* Derive some material and output it. */
|
|
if( !setup_key_derivation_wrap( &operation, base_handle, alg,
|
|
input1->x, input1->len,
|
|
input2->x, input2->len, capacity ) )
|
|
goto exit;
|
|
|
|
PSA_ASSERT( psa_key_derivation_output_bytes( &operation,
|
|
output_buffer,
|
|
capacity ) );
|
|
PSA_ASSERT( psa_key_derivation_abort( &operation ) );
|
|
|
|
/* Derive the same output again, but this time store it in key objects. */
|
|
if( !setup_key_derivation_wrap( &operation, base_handle, alg,
|
|
input1->x, input1->len,
|
|
input2->x, input2->len, capacity ) )
|
|
goto exit;
|
|
|
|
psa_set_key_usage_flags( &derived_attributes, PSA_KEY_USAGE_EXPORT );
|
|
psa_set_key_algorithm( &derived_attributes, 0 );
|
|
psa_set_key_type( &derived_attributes, PSA_KEY_TYPE_RAW_DATA );
|
|
psa_set_key_bits( &derived_attributes, PSA_BYTES_TO_BITS( bytes1 ) );
|
|
PSA_ASSERT( psa_key_derivation_output_key( &derived_attributes, &operation,
|
|
&derived_handle ) );
|
|
PSA_ASSERT( psa_export_key( derived_handle,
|
|
export_buffer, bytes1,
|
|
&length ) );
|
|
TEST_EQUAL( length, bytes1 );
|
|
PSA_ASSERT( psa_destroy_key( derived_handle ) );
|
|
psa_set_key_bits( &derived_attributes, PSA_BYTES_TO_BITS( bytes2 ) );
|
|
PSA_ASSERT( psa_key_derivation_output_key( &derived_attributes, &operation,
|
|
&derived_handle ) );
|
|
PSA_ASSERT( psa_export_key( derived_handle,
|
|
export_buffer + bytes1, bytes2,
|
|
&length ) );
|
|
TEST_EQUAL( length, bytes2 );
|
|
|
|
/* Compare the outputs from the two runs. */
|
|
ASSERT_COMPARE( output_buffer, bytes1 + bytes2,
|
|
export_buffer, capacity );
|
|
|
|
exit:
|
|
mbedtls_free( output_buffer );
|
|
mbedtls_free( export_buffer );
|
|
psa_key_derivation_abort( &operation );
|
|
psa_destroy_key( base_handle );
|
|
psa_destroy_key( derived_handle );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void key_agreement_setup( int alg_arg,
|
|
int our_key_type_arg, data_t *our_key_data,
|
|
data_t *peer_key_data,
|
|
int expected_status_arg )
|
|
{
|
|
psa_key_handle_t our_key = 0;
|
|
psa_algorithm_t alg = alg_arg;
|
|
psa_key_type_t our_key_type = our_key_type_arg;
|
|
psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_status_t expected_status = expected_status_arg;
|
|
psa_status_t status;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_DERIVE );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, our_key_type );
|
|
PSA_ASSERT( psa_import_key( &attributes,
|
|
our_key_data->x, our_key_data->len,
|
|
&our_key ) );
|
|
|
|
/* The tests currently include inputs that should fail at either step.
|
|
* Test cases that fail at the setup step should be changed to call
|
|
* key_derivation_setup instead, and this function should be renamed
|
|
* to key_agreement_fail. */
|
|
status = psa_key_derivation_setup( &operation, alg );
|
|
if( status == PSA_SUCCESS )
|
|
{
|
|
TEST_EQUAL( psa_key_derivation_key_agreement(
|
|
&operation, PSA_KEY_DERIVATION_INPUT_SECRET,
|
|
our_key,
|
|
peer_key_data->x, peer_key_data->len ),
|
|
expected_status );
|
|
}
|
|
else
|
|
{
|
|
TEST_ASSERT( status == expected_status );
|
|
}
|
|
|
|
exit:
|
|
psa_key_derivation_abort( &operation );
|
|
psa_destroy_key( our_key );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void raw_key_agreement( int alg_arg,
|
|
int our_key_type_arg, data_t *our_key_data,
|
|
data_t *peer_key_data,
|
|
data_t *expected_output )
|
|
{
|
|
psa_key_handle_t our_key = 0;
|
|
psa_algorithm_t alg = alg_arg;
|
|
psa_key_type_t our_key_type = our_key_type_arg;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
unsigned char *output = NULL;
|
|
size_t output_length = ~0;
|
|
|
|
ASSERT_ALLOC( output, expected_output->len );
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_DERIVE );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, our_key_type );
|
|
PSA_ASSERT( psa_import_key( &attributes,
|
|
our_key_data->x, our_key_data->len,
|
|
&our_key ) );
|
|
|
|
PSA_ASSERT( psa_raw_key_agreement( alg, our_key,
|
|
peer_key_data->x, peer_key_data->len,
|
|
output, expected_output->len,
|
|
&output_length ) );
|
|
ASSERT_COMPARE( output, output_length,
|
|
expected_output->x, expected_output->len );
|
|
|
|
exit:
|
|
mbedtls_free( output );
|
|
psa_destroy_key( our_key );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void key_agreement_capacity( int alg_arg,
|
|
int our_key_type_arg, data_t *our_key_data,
|
|
data_t *peer_key_data,
|
|
int expected_capacity_arg )
|
|
{
|
|
psa_key_handle_t our_key = 0;
|
|
psa_algorithm_t alg = alg_arg;
|
|
psa_key_type_t our_key_type = our_key_type_arg;
|
|
psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
size_t actual_capacity;
|
|
unsigned char output[16];
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_DERIVE );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, our_key_type );
|
|
PSA_ASSERT( psa_import_key( &attributes,
|
|
our_key_data->x, our_key_data->len,
|
|
&our_key ) );
|
|
|
|
PSA_ASSERT( psa_key_derivation_setup( &operation, alg ) );
|
|
PSA_ASSERT( psa_key_derivation_key_agreement(
|
|
&operation,
|
|
PSA_KEY_DERIVATION_INPUT_SECRET, our_key,
|
|
peer_key_data->x, peer_key_data->len ) );
|
|
if( PSA_ALG_IS_HKDF( PSA_ALG_KEY_AGREEMENT_GET_KDF( alg ) ) )
|
|
{
|
|
/* The test data is for info="" */
|
|
PSA_ASSERT( psa_key_derivation_input_bytes( &operation,
|
|
PSA_KEY_DERIVATION_INPUT_INFO,
|
|
NULL, 0 ) );
|
|
}
|
|
|
|
/* Test the advertized capacity. */
|
|
PSA_ASSERT( psa_key_derivation_get_capacity(
|
|
&operation, &actual_capacity ) );
|
|
TEST_EQUAL( actual_capacity, (size_t) expected_capacity_arg );
|
|
|
|
/* Test the actual capacity by reading the output. */
|
|
while( actual_capacity > sizeof( output ) )
|
|
{
|
|
PSA_ASSERT( psa_key_derivation_output_bytes( &operation,
|
|
output, sizeof( output ) ) );
|
|
actual_capacity -= sizeof( output );
|
|
}
|
|
PSA_ASSERT( psa_key_derivation_output_bytes( &operation,
|
|
output, actual_capacity ) );
|
|
TEST_EQUAL( psa_key_derivation_output_bytes( &operation, output, 1 ),
|
|
PSA_ERROR_INSUFFICIENT_DATA );
|
|
|
|
exit:
|
|
psa_key_derivation_abort( &operation );
|
|
psa_destroy_key( our_key );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void key_agreement_output( int alg_arg,
|
|
int our_key_type_arg, data_t *our_key_data,
|
|
data_t *peer_key_data,
|
|
data_t *expected_output1, data_t *expected_output2 )
|
|
{
|
|
psa_key_handle_t our_key = 0;
|
|
psa_algorithm_t alg = alg_arg;
|
|
psa_key_type_t our_key_type = our_key_type_arg;
|
|
psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
uint8_t *actual_output = NULL;
|
|
|
|
ASSERT_ALLOC( actual_output, MAX( expected_output1->len,
|
|
expected_output2->len ) );
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_DERIVE );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, our_key_type );
|
|
PSA_ASSERT( psa_import_key( &attributes,
|
|
our_key_data->x, our_key_data->len,
|
|
&our_key ) );
|
|
|
|
PSA_ASSERT( psa_key_derivation_setup( &operation, alg ) );
|
|
PSA_ASSERT( psa_key_derivation_key_agreement(
|
|
&operation,
|
|
PSA_KEY_DERIVATION_INPUT_SECRET, our_key,
|
|
peer_key_data->x, peer_key_data->len ) );
|
|
if( PSA_ALG_IS_HKDF( PSA_ALG_KEY_AGREEMENT_GET_KDF( alg ) ) )
|
|
{
|
|
/* The test data is for info="" */
|
|
PSA_ASSERT( psa_key_derivation_input_bytes( &operation,
|
|
PSA_KEY_DERIVATION_INPUT_INFO,
|
|
NULL, 0 ) );
|
|
}
|
|
|
|
PSA_ASSERT( psa_key_derivation_output_bytes( &operation,
|
|
actual_output,
|
|
expected_output1->len ) );
|
|
ASSERT_COMPARE( actual_output, expected_output1->len,
|
|
expected_output1->x, expected_output1->len );
|
|
if( expected_output2->len != 0 )
|
|
{
|
|
PSA_ASSERT( psa_key_derivation_output_bytes( &operation,
|
|
actual_output,
|
|
expected_output2->len ) );
|
|
ASSERT_COMPARE( actual_output, expected_output2->len,
|
|
expected_output2->x, expected_output2->len );
|
|
}
|
|
|
|
exit:
|
|
psa_key_derivation_abort( &operation );
|
|
psa_destroy_key( our_key );
|
|
PSA_DONE( );
|
|
mbedtls_free( actual_output );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void generate_random( int bytes_arg )
|
|
{
|
|
size_t bytes = bytes_arg;
|
|
const unsigned char trail[] = "don't overwrite me";
|
|
unsigned char *output = NULL;
|
|
unsigned char *changed = NULL;
|
|
size_t i;
|
|
unsigned run;
|
|
|
|
ASSERT_ALLOC( output, bytes + sizeof( trail ) );
|
|
ASSERT_ALLOC( changed, bytes );
|
|
memcpy( output + bytes, trail, sizeof( trail ) );
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
/* Run several times, to ensure that every output byte will be
|
|
* nonzero at least once with overwhelming probability
|
|
* (2^(-8*number_of_runs)). */
|
|
for( run = 0; run < 10; run++ )
|
|
{
|
|
if( bytes != 0 )
|
|
memset( output, 0, bytes );
|
|
PSA_ASSERT( psa_generate_random( output, bytes ) );
|
|
|
|
/* Check that no more than bytes have been overwritten */
|
|
ASSERT_COMPARE( output + bytes, sizeof( trail ),
|
|
trail, sizeof( trail ) );
|
|
|
|
for( i = 0; i < bytes; i++ )
|
|
{
|
|
if( output[i] != 0 )
|
|
++changed[i];
|
|
}
|
|
}
|
|
|
|
/* Check that every byte was changed to nonzero at least once. This
|
|
* validates that psa_generate_random is overwriting every byte of
|
|
* the output buffer. */
|
|
for( i = 0; i < bytes; i++ )
|
|
{
|
|
TEST_ASSERT( changed[i] != 0 );
|
|
}
|
|
|
|
exit:
|
|
PSA_DONE( );
|
|
mbedtls_free( output );
|
|
mbedtls_free( changed );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void generate_key( int type_arg,
|
|
int bits_arg,
|
|
int usage_arg,
|
|
int alg_arg,
|
|
int expected_status_arg )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_type_t type = type_arg;
|
|
psa_key_usage_t usage = usage_arg;
|
|
size_t bits = bits_arg;
|
|
psa_algorithm_t alg = alg_arg;
|
|
psa_status_t expected_status = expected_status_arg;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_key_attributes_t got_attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, usage );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, type );
|
|
psa_set_key_bits( &attributes, bits );
|
|
|
|
/* Generate a key */
|
|
TEST_EQUAL( psa_generate_key( &attributes, &handle ), expected_status );
|
|
if( expected_status != PSA_SUCCESS )
|
|
goto exit;
|
|
|
|
/* Test the key information */
|
|
PSA_ASSERT( psa_get_key_attributes( handle, &got_attributes ) );
|
|
TEST_EQUAL( psa_get_key_type( &got_attributes ), type );
|
|
TEST_EQUAL( psa_get_key_bits( &got_attributes ), bits );
|
|
|
|
/* Do something with the key according to its type and permitted usage. */
|
|
if( ! exercise_key( handle, usage, alg ) )
|
|
goto exit;
|
|
|
|
exit:
|
|
psa_reset_key_attributes( &got_attributes );
|
|
psa_destroy_key( handle );
|
|
PSA_DONE( );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE depends_on:MBEDTLS_RSA_C:MBEDTLS_GENPRIME:MBEDTLS_PKCS1_V15 */
|
|
void generate_key_rsa( int bits_arg,
|
|
data_t *e_arg,
|
|
int expected_status_arg )
|
|
{
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_type_t type = PSA_KEY_TYPE_RSA_KEY_PAIR;
|
|
size_t bits = bits_arg;
|
|
psa_key_usage_t usage = PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT;
|
|
psa_algorithm_t alg = PSA_ALG_RSA_PKCS1V15_SIGN_RAW;
|
|
psa_status_t expected_status = expected_status_arg;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
uint8_t *exported = NULL;
|
|
size_t exported_size =
|
|
PSA_KEY_EXPORT_MAX_SIZE( PSA_KEY_TYPE_RSA_PUBLIC_KEY, bits );
|
|
size_t exported_length = SIZE_MAX;
|
|
uint8_t *e_read_buffer = NULL;
|
|
int is_default_public_exponent = 0;
|
|
size_t e_read_size = PSA_KEY_DOMAIN_PARAMETERS_SIZE( type, bits );
|
|
size_t e_read_length = SIZE_MAX;
|
|
|
|
if( e_arg->len == 0 ||
|
|
( e_arg->len == 3 &&
|
|
e_arg->x[0] == 1 && e_arg->x[1] == 0 && e_arg->x[2] == 1 ) )
|
|
{
|
|
is_default_public_exponent = 1;
|
|
e_read_size = 0;
|
|
}
|
|
ASSERT_ALLOC( e_read_buffer, e_read_size );
|
|
ASSERT_ALLOC( exported, exported_size );
|
|
|
|
PSA_ASSERT( psa_crypto_init( ) );
|
|
|
|
psa_set_key_usage_flags( &attributes, usage );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
PSA_ASSERT( psa_set_key_domain_parameters( &attributes, type,
|
|
e_arg->x, e_arg->len ) );
|
|
psa_set_key_bits( &attributes, bits );
|
|
|
|
/* Generate a key */
|
|
TEST_EQUAL( psa_generate_key( &attributes, &handle ), expected_status );
|
|
if( expected_status != PSA_SUCCESS )
|
|
goto exit;
|
|
|
|
/* Test the key information */
|
|
PSA_ASSERT( psa_get_key_attributes( handle, &attributes ) );
|
|
TEST_EQUAL( psa_get_key_type( &attributes ), type );
|
|
TEST_EQUAL( psa_get_key_bits( &attributes ), bits );
|
|
PSA_ASSERT( psa_get_key_domain_parameters( &attributes,
|
|
e_read_buffer, e_read_size,
|
|
&e_read_length ) );
|
|
if( is_default_public_exponent )
|
|
TEST_EQUAL( e_read_length, 0 );
|
|
else
|
|
ASSERT_COMPARE( e_read_buffer, e_read_length, e_arg->x, e_arg->len );
|
|
|
|
/* Do something with the key according to its type and permitted usage. */
|
|
if( ! exercise_key( handle, usage, alg ) )
|
|
goto exit;
|
|
|
|
/* Export the key and check the public exponent. */
|
|
PSA_ASSERT( psa_export_public_key( handle,
|
|
exported, exported_size,
|
|
&exported_length ) );
|
|
{
|
|
uint8_t *p = exported;
|
|
uint8_t *end = exported + exported_length;
|
|
size_t len;
|
|
/* RSAPublicKey ::= SEQUENCE {
|
|
* modulus INTEGER, -- n
|
|
* publicExponent INTEGER } -- e
|
|
*/
|
|
TEST_EQUAL( 0, mbedtls_asn1_get_tag( &p, end, &len,
|
|
MBEDTLS_ASN1_SEQUENCE |
|
|
MBEDTLS_ASN1_CONSTRUCTED ) );
|
|
TEST_ASSERT( asn1_skip_integer( &p, end, bits, bits, 1 ) );
|
|
TEST_EQUAL( 0, mbedtls_asn1_get_tag( &p, end, &len,
|
|
MBEDTLS_ASN1_INTEGER ) );
|
|
if( len >= 1 && p[0] == 0 )
|
|
{
|
|
++p;
|
|
--len;
|
|
}
|
|
if( e_arg->len == 0 )
|
|
{
|
|
TEST_EQUAL( len, 3 );
|
|
TEST_EQUAL( p[0], 1 );
|
|
TEST_EQUAL( p[1], 0 );
|
|
TEST_EQUAL( p[2], 1 );
|
|
}
|
|
else
|
|
ASSERT_COMPARE( p, len, e_arg->x, e_arg->len );
|
|
}
|
|
|
|
exit:
|
|
psa_reset_key_attributes( &attributes );
|
|
psa_destroy_key( handle );
|
|
PSA_DONE( );
|
|
mbedtls_free( e_read_buffer );
|
|
mbedtls_free( exported );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE depends_on:MBEDTLS_PSA_CRYPTO_STORAGE_C */
|
|
void persistent_key_load_key_from_storage( data_t *data,
|
|
int type_arg, int bits_arg,
|
|
int usage_flags_arg, int alg_arg,
|
|
int generation_method )
|
|
{
|
|
psa_key_id_t key_id = 1;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_key_handle_t handle = 0;
|
|
psa_key_handle_t base_key = 0;
|
|
psa_key_type_t type = type_arg;
|
|
size_t bits = bits_arg;
|
|
psa_key_usage_t usage_flags = usage_flags_arg;
|
|
psa_algorithm_t alg = alg_arg;
|
|
psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
|
|
unsigned char *first_export = NULL;
|
|
unsigned char *second_export = NULL;
|
|
size_t export_size = PSA_KEY_EXPORT_MAX_SIZE( type, bits );
|
|
size_t first_exported_length;
|
|
size_t second_exported_length;
|
|
|
|
if( usage_flags & PSA_KEY_USAGE_EXPORT )
|
|
{
|
|
ASSERT_ALLOC( first_export, export_size );
|
|
ASSERT_ALLOC( second_export, export_size );
|
|
}
|
|
|
|
PSA_ASSERT( psa_crypto_init() );
|
|
|
|
psa_set_key_id( &attributes, key_id );
|
|
psa_set_key_usage_flags( &attributes, usage_flags );
|
|
psa_set_key_algorithm( &attributes, alg );
|
|
psa_set_key_type( &attributes, type );
|
|
psa_set_key_bits( &attributes, bits );
|
|
|
|
switch( generation_method )
|
|
{
|
|
case IMPORT_KEY:
|
|
/* Import the key */
|
|
PSA_ASSERT( psa_import_key( &attributes, data->x, data->len,
|
|
&handle ) );
|
|
break;
|
|
|
|
case GENERATE_KEY:
|
|
/* Generate a key */
|
|
PSA_ASSERT( psa_generate_key( &attributes, &handle ) );
|
|
break;
|
|
|
|
case DERIVE_KEY:
|
|
{
|
|
/* Create base key */
|
|
psa_algorithm_t derive_alg = PSA_ALG_HKDF( PSA_ALG_SHA_256 );
|
|
psa_key_attributes_t base_attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_set_key_usage_flags( &base_attributes,
|
|
PSA_KEY_USAGE_DERIVE );
|
|
psa_set_key_algorithm( &base_attributes, derive_alg );
|
|
psa_set_key_type( &base_attributes, PSA_KEY_TYPE_DERIVE );
|
|
PSA_ASSERT( psa_import_key( &base_attributes,
|
|
data->x, data->len,
|
|
&base_key ) );
|
|
/* Derive a key. */
|
|
PSA_ASSERT( psa_key_derivation_setup( &operation, derive_alg ) );
|
|
PSA_ASSERT( psa_key_derivation_input_key(
|
|
&operation,
|
|
PSA_KEY_DERIVATION_INPUT_SECRET, base_key ) );
|
|
PSA_ASSERT( psa_key_derivation_input_bytes(
|
|
&operation, PSA_KEY_DERIVATION_INPUT_INFO,
|
|
NULL, 0 ) );
|
|
PSA_ASSERT( psa_key_derivation_output_key( &attributes,
|
|
&operation,
|
|
&handle ) );
|
|
PSA_ASSERT( psa_key_derivation_abort( &operation ) );
|
|
PSA_ASSERT( psa_destroy_key( base_key ) );
|
|
base_key = 0;
|
|
}
|
|
break;
|
|
}
|
|
psa_reset_key_attributes( &attributes );
|
|
|
|
/* Export the key if permitted by the key policy. */
|
|
if( usage_flags & PSA_KEY_USAGE_EXPORT )
|
|
{
|
|
PSA_ASSERT( psa_export_key( handle,
|
|
first_export, export_size,
|
|
&first_exported_length ) );
|
|
if( generation_method == IMPORT_KEY )
|
|
ASSERT_COMPARE( data->x, data->len,
|
|
first_export, first_exported_length );
|
|
}
|
|
|
|
/* Shutdown and restart */
|
|
PSA_ASSERT( psa_close_key( handle ) );
|
|
PSA_DONE();
|
|
PSA_ASSERT( psa_crypto_init() );
|
|
|
|
/* Check key slot still contains key data */
|
|
PSA_ASSERT( psa_open_key( key_id, &handle ) );
|
|
PSA_ASSERT( psa_get_key_attributes( handle, &attributes ) );
|
|
TEST_EQUAL( psa_get_key_id( &attributes ), key_id );
|
|
TEST_EQUAL( psa_get_key_lifetime( &attributes ),
|
|
PSA_KEY_LIFETIME_PERSISTENT );
|
|
TEST_EQUAL( psa_get_key_type( &attributes ), type );
|
|
TEST_EQUAL( psa_get_key_bits( &attributes ), bits );
|
|
TEST_EQUAL( psa_get_key_usage_flags( &attributes ), usage_flags );
|
|
TEST_EQUAL( psa_get_key_algorithm( &attributes ), alg );
|
|
|
|
/* Export the key again if permitted by the key policy. */
|
|
if( usage_flags & PSA_KEY_USAGE_EXPORT )
|
|
{
|
|
PSA_ASSERT( psa_export_key( handle,
|
|
second_export, export_size,
|
|
&second_exported_length ) );
|
|
ASSERT_COMPARE( first_export, first_exported_length,
|
|
second_export, second_exported_length );
|
|
}
|
|
|
|
/* Do something with the key according to its type and permitted usage. */
|
|
if( ! exercise_key( handle, usage_flags, alg ) )
|
|
goto exit;
|
|
|
|
exit:
|
|
psa_reset_key_attributes( &attributes );
|
|
mbedtls_free( first_export );
|
|
mbedtls_free( second_export );
|
|
psa_key_derivation_abort( &operation );
|
|
psa_destroy_key( base_key );
|
|
if( handle == 0 )
|
|
{
|
|
/* In case there was a test failure after creating the persistent key
|
|
* but while it was not open, try to re-open the persistent key
|
|
* to delete it. */
|
|
psa_open_key( key_id, &handle );
|
|
}
|
|
psa_destroy_key( handle );
|
|
PSA_DONE();
|
|
}
|
|
/* END_CASE */
|