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pk_wrap: switch to helper functions defined in psa_util.h

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Remove duplicated helper functions.
Remove an unnecessary call to psa_crypto_init().
This commit is contained in:
Andrzej Kurek 2018-11-19 14:33:01 -05:00
parent 510ee70501
commit ca6330992e
1 changed files with 2 additions and 58 deletions
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60
library/pk_wrap.c
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@ -47,7 +47,7 @@
#if defined(MBEDTLS_USE_PSA_CRYPTO)
#include "psa/crypto.h"
#include "mbedtls/x509.h"
#include "mbedtls/psa_util.h"
#include "mbedtls/asn1.h"
#endif
@ -479,61 +479,6 @@ static int ecdsa_can_do( mbedtls_pk_type_t type )
}
#if defined(MBEDTLS_USE_PSA_CRYPTO)
static psa_status_t mbedtls_psa_get_free_key_slot( psa_key_slot_t *key )
{
for( psa_key_slot_t slot = 1; slot <= 32; slot++ )
{
if( psa_get_key_information( slot, NULL, NULL ) == PSA_ERROR_EMPTY_SLOT )
{
*key = slot;
return( PSA_SUCCESS );
}
}
return( PSA_ERROR_INSUFFICIENT_MEMORY );
}
static psa_algorithm_t translate_md_to_psa( mbedtls_md_type_t md_alg )
{
switch( md_alg )
{
#if defined(MBEDTLS_MD2_C)
case MBEDTLS_MD_MD2:
return( PSA_ALG_MD2 );
#endif
#if defined(MBEDTLS_MD4_C)
case MBEDTLS_MD_MD4:
return( PSA_ALG_MD4 );
#endif
#if defined(MBEDTLS_MD5_C)
case MBEDTLS_MD_MD5:
return( PSA_ALG_MD5 );
#endif
#if defined(MBEDTLS_SHA1_C)
case MBEDTLS_MD_SHA1:
return( PSA_ALG_SHA_1 );
#endif
#if defined(MBEDTLS_SHA256_C)
case MBEDTLS_MD_SHA224:
return( PSA_ALG_SHA_224 );
case MBEDTLS_MD_SHA256:
return( PSA_ALG_SHA_256 );
#endif
#if defined(MBEDTLS_SHA512_C)
case MBEDTLS_MD_SHA384:
return( PSA_ALG_SHA_384 );
case MBEDTLS_MD_SHA512:
return( PSA_ALG_SHA_512 );
#endif
#if defined(MBEDTLS_RIPEMD160_C)
case MBEDTLS_MD_RIPEMD160:
return( PSA_ALG_RIPEMD160 );
#endif
case MBEDTLS_MD_NONE: // Intentional fallthrough
default:
return( 0 );
}
}
/*
* Convert a signature from an ASN.1 sequence of two integers
* to a raw {r,s} buffer. Note: upon a successful call, the caller
@ -677,7 +622,7 @@ static int ecdsa_verify_wrap( void *ctx, mbedtls_md_type_t md_alg,
unsigned char buf[buf_len];
unsigned char *p = (unsigned char*) sig;
mbedtls_pk_info_t pk_info = mbedtls_eckey_info;
psa_algorithm_t psa_sig_md = translate_md_to_psa( md_alg );
psa_algorithm_t psa_sig_md = mbedtls_psa_translate_md( md_alg );
psa_ecc_curve_t curve = mbedtls_ecc_group_to_psa ( ( (mbedtls_ecdsa_context *) ctx )->grp.id );
if( curve == 0 )
@ -690,7 +635,6 @@ static int ecdsa_verify_wrap( void *ctx, mbedtls_md_type_t md_alg,
memset( &signature, 0, sizeof( mbedtls_asn1_buf ) );
key.pk_info = &pk_info;
key.pk_ctx = ctx;
psa_crypto_init();
psa_type = PSA_KEY_TYPE_ECC_PUBLIC_KEY( curve );