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mbedtls/tests/suites/test_suite_psa_crypto_metadata.function

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Create infrastructure for metadata validation unit tests
2018-08-21 18:20:20 +02:00
/* BEGIN_HEADER */
/* Test macros that provide metadata about algorithms and key types.
* This test suite only contains tests that don't require executing
* code. Other test suites validate macros that require creating a key
* and using it. */
#if defined(MBEDTLS_PSA_CRYPTO_SPM)
#include "spm/psa_defs.h"
#endif
#include "psa/crypto.h"
Algorithm validation tests For all algorithms, validate feature test macros (PSA_ALG_IS_xxx). For hash algorithms, validate the exact hash size, and validate xxx_GET_HASH macros on dependent algorithms. For MAC algorithms, validate the MAC size. For AEAD algorithms, validate the tag size. There is a separate test case for each HMAC algorithm, which is necessary because each has its own MAC size. For other hash-dependent algorithms, there is no interesting variation to test here, so only one hash gets tested.
2018-08-22 18:36:36 +02:00
/* Flags for algorithm classification macros. There is a flag for every
* algorithm classification macro PSA_ALG_IS_xxx except for the
* category test macros, which are hard-coded in each
* category-specific function. The name of the flag is the name of the
* classification macro without the PSA_ prefix. */
#define ALG_IS_VENDOR_DEFINED ( 1u << 0 )
#define ALG_IS_HMAC ( 1u << 1 )
#define ALG_IS_BLOCK_CIPHER_MAC ( 1u << 2 )
#define ALG_IS_STREAM_CIPHER ( 1u << 3 )
#define ALG_IS_RSA_PKCS1V15_SIGN ( 1u << 4 )
#define ALG_IS_RSA_PSS ( 1u << 5 )
#define ALG_IS_DSA ( 1u << 6 )
#define ALG_DSA_IS_DETERMINISTIC ( 1u << 7 )
#define ALG_IS_DETERMINISTIC_DSA ( 1u << 8 )
#define ALG_IS_RANDOMIZED_DSA ( 1u << 9 )
#define ALG_IS_ECDSA ( 1u << 10 )
#define ALG_ECDSA_IS_DETERMINISTIC ( 1u << 11 )
#define ALG_IS_DETERMINISTIC_ECDSA ( 1u << 12 )
#define ALG_IS_RANDOMIZED_ECDSA ( 1u << 13 )
New macro PSA_ALG_IS_HASH_AND_SIGN Test for a subclass of public-key algorithm: those that perform full-domain hashing, i.e. algorithms that can be broken down as sign(key, hash(message)).
2019-01-14 16:02:15 +01:00
#define ALG_IS_HASH_AND_SIGN ( 1u << 14 )
#define ALG_IS_RSA_OAEP ( 1u << 15 )
#define ALG_IS_HKDF ( 1u << 16 )
#define ALG_IS_FFDH ( 1u << 17 )
#define ALG_IS_ECDH ( 1u << 18 )
Add a hash wildcard value for hash-and-sign algorithm You can use PSA_ALG_ANY_HASH to build the algorithm value for a hash-and-sign algorithm in a policy. Then the policy allows usage with this hash-and-sign family with any hash. Test that PSA_ALG_ANY_HASH-based policies allow a specific hash, but not a different hash-and-sign family. Test that PSA_ALG_ANY_HASH is not valid for operations, only in policies.
2019-01-14 16:06:39 +01:00
#define ALG_IS_WILDCARD ( 1u << 19 )
Merge branch 'psa-derive_input_steps-agreement_as_one_step' into psa-api-1.0-beta Change the key derivation API to take inputs in multiple steps, instead of a single one-site-fits-poorly function. Conflicts: * include/psa/crypto.h: merge independent changes in the documentation of psa_key_agreement (public_key from the work on public key formats vs general description and other parameters in the work on key derivation). * tests/suites/test_suite_psa_crypto.data: update the key agreement tests from the work on key derivation to the format from the work on public key formats. * tests/suites/test_suite_psa_crypto_metadata.function: reconcile the addition of unrelated ALG_IS_xxx macros
2019-01-18 18:51:30 +01:00
#define ALG_IS_RAW_KEY_AGREEMENT ( 1u << 20 )
Algorithm encoding: add flag bit PSA_ALG_AEAD_FROM_BLOCK_FLAG Make it easy to distinguish generic constructions on top of block ciphers, such as CCM or GCM, from specialized algorithms such as Chacha20-Poly1305.
2019-05-06 15:10:16 +02:00
#define ALG_IS_AEAD_ON_BLOCK_CIPHER ( 1u << 21 )
Add some more KDF test cases
2019-11-21 20:10:13 +01:00
#define ALG_IS_TLS12_PRF ( 1u << 22 )
#define ALG_IS_TLS12_PSK_TO_MS ( 1u << 23 )
Algorithm validation tests For all algorithms, validate feature test macros (PSA_ALG_IS_xxx). For hash algorithms, validate the exact hash size, and validate xxx_GET_HASH macros on dependent algorithms. For MAC algorithms, validate the MAC size. For AEAD algorithms, validate the tag size. There is a separate test case for each HMAC algorithm, which is necessary because each has its own MAC size. For other hash-dependent algorithms, there is no interesting variation to test here, so only one hash gets tested.
2018-08-22 18:36:36 +02:00
Key type validation tests For all key types, validate feature test macros (PSA_KEY_TYPE_IS_xxx). For asymmetric keys (public key or key pair), validate the corresponding public/pair type. For ECC keys, validate GET_CURVE.
2018-08-22 18:43:09 +02:00
/* Flags for key type classification macros. There is a flag for every
* key type classification macro PSA_KEY_TYPE_IS_xxx except for some that
* are tested as derived from other macros. The name of the flag is
* the name of the classification macro without the PSA_ prefix. */
#define KEY_TYPE_IS_VENDOR_DEFINED ( 1u << 0 )
#define KEY_TYPE_IS_UNSTRUCTURED ( 1u << 1 )
#define KEY_TYPE_IS_PUBLIC_KEY ( 1u << 2 )
Rename *KEYPAIR* to *KEY_PAIR* Be consistent with PUBLIC_KEY. perl -i -pe 's/KEYPAIR/KEY_PAIR/g' $(git ls-files)
2019-05-16 19:39:54 +02:00
#define KEY_TYPE_IS_KEY_PAIR ( 1u << 3 )
Key type validation tests For all key types, validate feature test macros (PSA_KEY_TYPE_IS_xxx). For asymmetric keys (public key or key pair), validate the corresponding public/pair type. For ECC keys, validate GET_CURVE.
2018-08-22 18:43:09 +02:00
#define KEY_TYPE_IS_RSA ( 1u << 4 )
#define KEY_TYPE_IS_DSA ( 1u << 5 )
#define KEY_TYPE_IS_ECC ( 1u << 6 )
Parametrize Diffie-Hellman keys by a group identifier Parametrize finite-field Diffie-Hellman key types with a DH group identifier, in the same way elliptic curve keys are parametrized with an EC curve identifier. Define the DH groups from the TLS registry (these are the groups from RFC 7919). Replicate the macro definitions and the metadata tests from elliptic curve identifiers to DH group identifiers. Define PSA_DH_GROUP_CUSTOM as an implementation-specific extension for which domain parameters are used to specify the group.
2019-05-16 12:55:35 +02:00
#define KEY_TYPE_IS_DH ( 1u << 7 )
Key type validation tests For all key types, validate feature test macros (PSA_KEY_TYPE_IS_xxx). For asymmetric keys (public key or key pair), validate the corresponding public/pair type. For ECC keys, validate GET_CURVE.
2018-08-22 18:43:09 +02:00
Indent PSA tests according to K&R rules with Mbed TLS tweaks Only whitespace changes in this commit.
2018-12-17 23:35:42 +01:00
#define TEST_CLASSIFICATION_MACRO( flag, alg, flags ) \
Algorithm validation tests For all algorithms, validate feature test macros (PSA_ALG_IS_xxx). For hash algorithms, validate the exact hash size, and validate xxx_GET_HASH macros on dependent algorithms. For MAC algorithms, validate the MAC size. For AEAD algorithms, validate the tag size. There is a separate test case for each HMAC algorithm, which is necessary because each has its own MAC size. For other hash-dependent algorithms, there is no interesting variation to test here, so only one hash gets tested.
2018-08-22 18:36:36 +02:00
TEST_ASSERT( PSA_##flag( alg ) == !! ( ( flags ) & flag ) )
Change the encoding of key types to have a parity bit Change the encoding of key types, EC curve families and DH group families to make the low-order bit a parity bit (with even parity). This ensures that distinct key type values always have a Hamming distance of at least 2, which makes it easier for implementations to resist single bit flips.
2019-12-04 18:58:44 +01:00
/* Check the parity of value.
Explain the purpose of check_parity Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2020-08-26 10:24:26 +02:00
*
* There are several numerical encodings for which the PSA Cryptography API
* specification deliberately defines encodings that all have the same
* parity. This way, a data glitch that flips one bit in the data cannot
* possibly turn a valid encoding into another valid encoding. Here in
* the tests, we check that the values (including Mbed TLS vendor-specific
* values) have the expected parity.
*
* The expected parity is even so that 0 is considered a valid encoding.
*
Fix the documentation of has_even_parity The documentation had the boolean meaning of the return value inverted. Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2020-08-26 12:14:37 +02:00
* Return a nonzero value if value has even parity and 0 otherwise. */
Clearer function name for parity check Return a name that more clearly returns nonzero=true=good, 0=bad. We'd normally expect check_xxx to return 0=pass, nonzero=fail so check_parity was a bad name. Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2020-08-26 11:16:50 +02:00
int has_even_parity( uint32_t value )
Change the encoding of key types to have a parity bit Change the encoding of key types, EC curve families and DH group families to make the low-order bit a parity bit (with even parity). This ensures that distinct key type values always have a Hamming distance of at least 2, which makes it easier for implementations to resist single bit flips.
2019-12-04 18:58:44 +01:00
{
value ^= value >> 16;
value ^= value >> 8;
value ^= value >> 4;
return( 0x9669 & 1 << ( value & 0xf ) );
}
#define TEST_PARITY( value ) \
Clearer function name for parity check Return a name that more clearly returns nonzero=true=good, 0=bad. We'd normally expect check_xxx to return 0=pass, nonzero=fail so check_parity was a bad name. Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2020-08-26 11:16:50 +02:00
TEST_ASSERT( has_even_parity( value ) )
Change the encoding of key types to have a parity bit Change the encoding of key types, EC curve families and DH group families to make the low-order bit a parity bit (with even parity). This ensures that distinct key type values always have a Hamming distance of at least 2, which makes it easier for implementations to resist single bit flips.
2019-12-04 18:58:44 +01:00
Algorithm validation tests For all algorithms, validate feature test macros (PSA_ALG_IS_xxx). For hash algorithms, validate the exact hash size, and validate xxx_GET_HASH macros on dependent algorithms. For MAC algorithms, validate the MAC size. For AEAD algorithms, validate the tag size. There is a separate test case for each HMAC algorithm, which is necessary because each has its own MAC size. For other hash-dependent algorithms, there is no interesting variation to test here, so only one hash gets tested.
2018-08-22 18:36:36 +02:00
void algorithm_classification( psa_algorithm_t alg, unsigned flags )
{
TEST_CLASSIFICATION_MACRO( ALG_IS_VENDOR_DEFINED, alg, flags );
TEST_CLASSIFICATION_MACRO( ALG_IS_HMAC, alg, flags );
TEST_CLASSIFICATION_MACRO( ALG_IS_BLOCK_CIPHER_MAC, alg, flags );
TEST_CLASSIFICATION_MACRO( ALG_IS_STREAM_CIPHER, alg, flags );
TEST_CLASSIFICATION_MACRO( ALG_IS_RSA_PKCS1V15_SIGN, alg, flags );
TEST_CLASSIFICATION_MACRO( ALG_IS_RSA_PSS, alg, flags );
TEST_CLASSIFICATION_MACRO( ALG_IS_DSA, alg, flags );
if ( PSA_ALG_IS_DSA( alg ) )
TEST_CLASSIFICATION_MACRO( ALG_DSA_IS_DETERMINISTIC, alg, flags );
TEST_CLASSIFICATION_MACRO( ALG_IS_DETERMINISTIC_DSA, alg, flags );
TEST_CLASSIFICATION_MACRO( ALG_IS_RANDOMIZED_DSA, alg, flags );
TEST_CLASSIFICATION_MACRO( ALG_IS_ECDSA, alg, flags );
if ( PSA_ALG_IS_ECDSA( alg ) )
TEST_CLASSIFICATION_MACRO( ALG_ECDSA_IS_DETERMINISTIC, alg, flags );
TEST_CLASSIFICATION_MACRO( ALG_IS_DETERMINISTIC_ECDSA, alg, flags );
TEST_CLASSIFICATION_MACRO( ALG_IS_RANDOMIZED_ECDSA, alg, flags );
New macro PSA_ALG_IS_HASH_AND_SIGN Test for a subclass of public-key algorithm: those that perform full-domain hashing, i.e. algorithms that can be broken down as sign(key, hash(message)).
2019-01-14 16:02:15 +01:00
TEST_CLASSIFICATION_MACRO( ALG_IS_HASH_AND_SIGN, alg, flags );
Algorithm validation tests For all algorithms, validate feature test macros (PSA_ALG_IS_xxx). For hash algorithms, validate the exact hash size, and validate xxx_GET_HASH macros on dependent algorithms. For MAC algorithms, validate the MAC size. For AEAD algorithms, validate the tag size. There is a separate test case for each HMAC algorithm, which is necessary because each has its own MAC size. For other hash-dependent algorithms, there is no interesting variation to test here, so only one hash gets tested.
2018-08-22 18:36:36 +02:00
TEST_CLASSIFICATION_MACRO( ALG_IS_RSA_OAEP, alg, flags );
TEST_CLASSIFICATION_MACRO( ALG_IS_HKDF, alg, flags );
Add a hash wildcard value for hash-and-sign algorithm You can use PSA_ALG_ANY_HASH to build the algorithm value for a hash-and-sign algorithm in a policy. Then the policy allows usage with this hash-and-sign family with any hash. Test that PSA_ALG_ANY_HASH-based policies allow a specific hash, but not a different hash-and-sign family. Test that PSA_ALG_ANY_HASH is not valid for operations, only in policies.
2019-01-14 16:06:39 +01:00
TEST_CLASSIFICATION_MACRO( ALG_IS_WILDCARD, alg, flags );
Simplify the encoding of key agreement algorithms Get rid of "key selection" algorithms (of which there was only one: raw key selection). Encode key agreement by combining a raw key agreement with a KDF, rather than passing the KDF as an argument of a key agreement macro.
2019-01-18 16:44:49 +01:00
TEST_CLASSIFICATION_MACRO( ALG_IS_ECDH, alg, flags );
TEST_CLASSIFICATION_MACRO( ALG_IS_FFDH, alg, flags );
Merge branch 'psa-derive_input_steps-agreement_as_one_step' into psa-api-1.0-beta Change the key derivation API to take inputs in multiple steps, instead of a single one-site-fits-poorly function. Conflicts: * include/psa/crypto.h: merge independent changes in the documentation of psa_key_agreement (public_key from the work on public key formats vs general description and other parameters in the work on key derivation). * tests/suites/test_suite_psa_crypto.data: update the key agreement tests from the work on key derivation to the format from the work on public key formats. * tests/suites/test_suite_psa_crypto_metadata.function: reconcile the addition of unrelated ALG_IS_xxx macros
2019-01-18 18:51:30 +01:00
TEST_CLASSIFICATION_MACRO( ALG_IS_RAW_KEY_AGREEMENT, alg, flags );
Algorithm encoding: add flag bit PSA_ALG_AEAD_FROM_BLOCK_FLAG Make it easy to distinguish generic constructions on top of block ciphers, such as CCM or GCM, from specialized algorithms such as Chacha20-Poly1305.
2019-05-06 15:10:16 +02:00
TEST_CLASSIFICATION_MACRO( ALG_IS_AEAD_ON_BLOCK_CIPHER, alg, flags );
Algorithm validation tests For all algorithms, validate feature test macros (PSA_ALG_IS_xxx). For hash algorithms, validate the exact hash size, and validate xxx_GET_HASH macros on dependent algorithms. For MAC algorithms, validate the MAC size. For AEAD algorithms, validate the tag size. There is a separate test case for each HMAC algorithm, which is necessary because each has its own MAC size. For other hash-dependent algorithms, there is no interesting variation to test here, so only one hash gets tested.
2018-08-22 18:36:36 +02:00
exit: ;
}
Key type validation tests For all key types, validate feature test macros (PSA_KEY_TYPE_IS_xxx). For asymmetric keys (public key or key pair), validate the corresponding public/pair type. For ECC keys, validate GET_CURVE.
2018-08-22 18:43:09 +02:00
void key_type_classification( psa_key_type_t type, unsigned flags )
{
/* Macros tested based on the test case parameter */
TEST_CLASSIFICATION_MACRO( KEY_TYPE_IS_VENDOR_DEFINED, type, flags );
TEST_CLASSIFICATION_MACRO( KEY_TYPE_IS_UNSTRUCTURED, type, flags );
TEST_CLASSIFICATION_MACRO( KEY_TYPE_IS_PUBLIC_KEY, type, flags );
Rename *KEYPAIR* to *KEY_PAIR* Be consistent with PUBLIC_KEY. perl -i -pe 's/KEYPAIR/KEY_PAIR/g' $(git ls-files)
2019-05-16 19:39:54 +02:00
TEST_CLASSIFICATION_MACRO( KEY_TYPE_IS_KEY_PAIR, type, flags );
Key type validation tests For all key types, validate feature test macros (PSA_KEY_TYPE_IS_xxx). For asymmetric keys (public key or key pair), validate the corresponding public/pair type. For ECC keys, validate GET_CURVE.
2018-08-22 18:43:09 +02:00
TEST_CLASSIFICATION_MACRO( KEY_TYPE_IS_RSA, type, flags );
TEST_CLASSIFICATION_MACRO( KEY_TYPE_IS_ECC, type, flags );
Parametrize Diffie-Hellman keys by a group identifier Parametrize finite-field Diffie-Hellman key types with a DH group identifier, in the same way elliptic curve keys are parametrized with an EC curve identifier. Define the DH groups from the TLS registry (these are the groups from RFC 7919). Replicate the macro definitions and the metadata tests from elliptic curve identifiers to DH group identifiers. Define PSA_DH_GROUP_CUSTOM as an implementation-specific extension for which domain parameters are used to specify the group.
2019-05-16 12:55:35 +02:00
TEST_CLASSIFICATION_MACRO( KEY_TYPE_IS_DH, type, flags );
Key type validation tests For all key types, validate feature test macros (PSA_KEY_TYPE_IS_xxx). For asymmetric keys (public key or key pair), validate the corresponding public/pair type. For ECC keys, validate GET_CURVE.
2018-08-22 18:43:09 +02:00
/* Macros with derived semantics */
Use TEST_EQUAL(a,b) in preference to TEST_ASSERT(a==b) This commit is the result of the following command, followed by reindenting (but not wrapping lines): perl -00 -i -pe 's/^( *)TEST_ASSERT\(([^;=]*)(?: |\n *)==([^;=]*)\);$/${1}TEST_EQUAL($2,$3);/gm' tests/suites/test_suite_psa_*.function
2018-12-18 00:24:04 +01:00
TEST_EQUAL( PSA_KEY_TYPE_IS_ASYMMETRIC( type ),
( PSA_KEY_TYPE_IS_PUBLIC_KEY( type ) ||
Rename *KEYPAIR* to *KEY_PAIR* Be consistent with PUBLIC_KEY. perl -i -pe 's/KEYPAIR/KEY_PAIR/g' $(git ls-files)
2019-05-16 19:39:54 +02:00
PSA_KEY_TYPE_IS_KEY_PAIR( type ) ) );
TEST_EQUAL( PSA_KEY_TYPE_IS_ECC_KEY_PAIR( type ),
Use TEST_EQUAL(a,b) in preference to TEST_ASSERT(a==b) This commit is the result of the following command, followed by reindenting (but not wrapping lines): perl -00 -i -pe 's/^( *)TEST_ASSERT\(([^;=]*)(?: |\n *)==([^;=]*)\);$/${1}TEST_EQUAL($2,$3);/gm' tests/suites/test_suite_psa_*.function
2018-12-18 00:24:04 +01:00
( PSA_KEY_TYPE_IS_ECC( type ) &&
Rename *KEYPAIR* to *KEY_PAIR* Be consistent with PUBLIC_KEY. perl -i -pe 's/KEYPAIR/KEY_PAIR/g' $(git ls-files)
2019-05-16 19:39:54 +02:00
PSA_KEY_TYPE_IS_KEY_PAIR( type ) ) );
Use TEST_EQUAL(a,b) in preference to TEST_ASSERT(a==b) This commit is the result of the following command, followed by reindenting (but not wrapping lines): perl -00 -i -pe 's/^( *)TEST_ASSERT\(([^;=]*)(?: |\n *)==([^;=]*)\);$/${1}TEST_EQUAL($2,$3);/gm' tests/suites/test_suite_psa_*.function
2018-12-18 00:24:04 +01:00
TEST_EQUAL( PSA_KEY_TYPE_IS_ECC_PUBLIC_KEY( type ),
( PSA_KEY_TYPE_IS_ECC( type ) &&
PSA_KEY_TYPE_IS_PUBLIC_KEY( type ) ) );
Rename *KEYPAIR* to *KEY_PAIR* Be consistent with PUBLIC_KEY. perl -i -pe 's/KEYPAIR/KEY_PAIR/g' $(git ls-files)
2019-05-16 19:39:54 +02:00
TEST_EQUAL( PSA_KEY_TYPE_IS_DH_KEY_PAIR( type ),
Parametrize Diffie-Hellman keys by a group identifier Parametrize finite-field Diffie-Hellman key types with a DH group identifier, in the same way elliptic curve keys are parametrized with an EC curve identifier. Define the DH groups from the TLS registry (these are the groups from RFC 7919). Replicate the macro definitions and the metadata tests from elliptic curve identifiers to DH group identifiers. Define PSA_DH_GROUP_CUSTOM as an implementation-specific extension for which domain parameters are used to specify the group.
2019-05-16 12:55:35 +02:00
( PSA_KEY_TYPE_IS_DH( type ) &&
Rename *KEYPAIR* to *KEY_PAIR* Be consistent with PUBLIC_KEY. perl -i -pe 's/KEYPAIR/KEY_PAIR/g' $(git ls-files)
2019-05-16 19:39:54 +02:00
PSA_KEY_TYPE_IS_KEY_PAIR( type ) ) );
Parametrize Diffie-Hellman keys by a group identifier Parametrize finite-field Diffie-Hellman key types with a DH group identifier, in the same way elliptic curve keys are parametrized with an EC curve identifier. Define the DH groups from the TLS registry (these are the groups from RFC 7919). Replicate the macro definitions and the metadata tests from elliptic curve identifiers to DH group identifiers. Define PSA_DH_GROUP_CUSTOM as an implementation-specific extension for which domain parameters are used to specify the group.
2019-05-16 12:55:35 +02:00
TEST_EQUAL( PSA_KEY_TYPE_IS_DH_PUBLIC_KEY( type ),
( PSA_KEY_TYPE_IS_DH( type ) &&
PSA_KEY_TYPE_IS_PUBLIC_KEY( type ) ) );
Key type validation tests For all key types, validate feature test macros (PSA_KEY_TYPE_IS_xxx). For asymmetric keys (public key or key pair), validate the corresponding public/pair type. For ECC keys, validate GET_CURVE.
2018-08-22 18:43:09 +02:00
Change the encoding of key types to have a parity bit Change the encoding of key types, EC curve families and DH group families to make the low-order bit a parity bit (with even parity). This ensures that distinct key type values always have a Hamming distance of at least 2, which makes it easier for implementations to resist single bit flips.
2019-12-04 18:58:44 +01:00
TEST_PARITY( type );
Key type validation tests For all key types, validate feature test macros (PSA_KEY_TYPE_IS_xxx). For asymmetric keys (public key or key pair), validate the corresponding public/pair type. For ECC keys, validate GET_CURVE.
2018-08-22 18:43:09 +02:00
exit: ;
}
Add metadata tests for truncated MAC and short-tag AEAD
2018-09-24 22:09:46 +02:00
void mac_algorithm_core( psa_algorithm_t alg, int classification_flags,
psa_key_type_t key_type, size_t key_bits,
size_t length )
{
/* Algorithm classification */
TEST_ASSERT( ! PSA_ALG_IS_HASH( alg ) );
TEST_ASSERT( PSA_ALG_IS_MAC( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_CIPHER( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_AEAD( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_SIGN( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_ASYMMETRIC_ENCRYPTION( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_KEY_AGREEMENT( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_KEY_DERIVATION( alg ) );
algorithm_classification( alg, classification_flags );
/* Length */
Use TEST_EQUAL(a,b) in preference to TEST_ASSERT(a==b) This commit is the result of the following command, followed by reindenting (but not wrapping lines): perl -00 -i -pe 's/^( *)TEST_ASSERT\(([^;=]*)(?: |\n *)==([^;=]*)\);$/${1}TEST_EQUAL($2,$3);/gm' tests/suites/test_suite_psa_*.function
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TEST_EQUAL( length, PSA_MAC_FINAL_SIZE( key_type, key_bits, alg ) );
Add metadata tests for truncated MAC and short-tag AEAD
2018-09-24 22:09:46 +02:00
exit: ;
}
void aead_algorithm_core( psa_algorithm_t alg, int classification_flags,
size_t tag_length )
{
/* Algorithm classification */
TEST_ASSERT( ! PSA_ALG_IS_HASH( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_MAC( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_CIPHER( alg ) );
TEST_ASSERT( PSA_ALG_IS_AEAD( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_SIGN( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_ASYMMETRIC_ENCRYPTION( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_KEY_AGREEMENT( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_KEY_DERIVATION( alg ) );
algorithm_classification( alg, classification_flags );
/* Tag length */
Use TEST_EQUAL(a,b) in preference to TEST_ASSERT(a==b) This commit is the result of the following command, followed by reindenting (but not wrapping lines): perl -00 -i -pe 's/^( *)TEST_ASSERT\(([^;=]*)(?: |\n *)==([^;=]*)\);$/${1}TEST_EQUAL($2,$3);/gm' tests/suites/test_suite_psa_*.function
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TEST_EQUAL( tag_length, PSA_AEAD_TAG_LENGTH( alg ) );
Add metadata tests for truncated MAC and short-tag AEAD
2018-09-24 22:09:46 +02:00
exit: ;
}
Create infrastructure for metadata validation unit tests
2018-08-21 18:20:20 +02:00
/* END_HEADER */
/* BEGIN_DEPENDENCIES
* depends_on:MBEDTLS_PSA_CRYPTO_C
* END_DEPENDENCIES
*/
Algorithm validation tests For all algorithms, validate feature test macros (PSA_ALG_IS_xxx). For hash algorithms, validate the exact hash size, and validate xxx_GET_HASH macros on dependent algorithms. For MAC algorithms, validate the MAC size. For AEAD algorithms, validate the tag size. There is a separate test case for each HMAC algorithm, which is necessary because each has its own MAC size. For other hash-dependent algorithms, there is no interesting variation to test here, so only one hash gets tested.
2018-08-22 18:36:36 +02:00
/* BEGIN_CASE */
void hash_algorithm( int alg_arg, int length_arg )
{
psa_algorithm_t alg = alg_arg;
size_t length = length_arg;
psa_algorithm_t hmac_alg = PSA_ALG_HMAC( alg );
psa_algorithm_t rsa_pkcs1v15_sign_alg = PSA_ALG_RSA_PKCS1V15_SIGN( alg );
psa_algorithm_t rsa_pss_alg = PSA_ALG_RSA_PSS( alg );
psa_algorithm_t dsa_alg = PSA_ALG_DSA( alg );
psa_algorithm_t deterministic_dsa_alg = PSA_ALG_DETERMINISTIC_DSA( alg );
psa_algorithm_t ecdsa_alg = PSA_ALG_ECDSA( alg );
psa_algorithm_t deterministic_ecdsa_alg = PSA_ALG_DETERMINISTIC_ECDSA( alg );
psa_algorithm_t rsa_oaep_alg = PSA_ALG_RSA_OAEP( alg );
psa_algorithm_t hkdf_alg = PSA_ALG_HKDF( alg );
/* Algorithm classification */
TEST_ASSERT( PSA_ALG_IS_HASH( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_MAC( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_CIPHER( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_AEAD( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_SIGN( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_ASYMMETRIC_ENCRYPTION( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_KEY_AGREEMENT( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_KEY_DERIVATION( alg ) );
algorithm_classification( alg, 0 );
/* Dependent algorithms */
Use TEST_EQUAL(a,b) in preference to TEST_ASSERT(a==b) This commit is the result of the following command, followed by reindenting (but not wrapping lines): perl -00 -i -pe 's/^( *)TEST_ASSERT\(([^;=]*)(?: |\n *)==([^;=]*)\);$/${1}TEST_EQUAL($2,$3);/gm' tests/suites/test_suite_psa_*.function
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TEST_EQUAL( PSA_ALG_HMAC_GET_HASH( hmac_alg ), alg );
TEST_EQUAL( PSA_ALG_SIGN_GET_HASH( rsa_pkcs1v15_sign_alg ), alg );
TEST_EQUAL( PSA_ALG_SIGN_GET_HASH( rsa_pss_alg ), alg );
TEST_EQUAL( PSA_ALG_SIGN_GET_HASH( dsa_alg ), alg );
TEST_EQUAL( PSA_ALG_SIGN_GET_HASH( deterministic_dsa_alg ), alg );
TEST_EQUAL( PSA_ALG_SIGN_GET_HASH( ecdsa_alg ), alg );
TEST_EQUAL( PSA_ALG_SIGN_GET_HASH( deterministic_ecdsa_alg ), alg );
TEST_EQUAL( PSA_ALG_RSA_OAEP_GET_HASH( rsa_oaep_alg ), alg );
TEST_EQUAL( PSA_ALG_HKDF_GET_HASH( hkdf_alg ), alg );
Algorithm validation tests For all algorithms, validate feature test macros (PSA_ALG_IS_xxx). For hash algorithms, validate the exact hash size, and validate xxx_GET_HASH macros on dependent algorithms. For MAC algorithms, validate the MAC size. For AEAD algorithms, validate the tag size. There is a separate test case for each HMAC algorithm, which is necessary because each has its own MAC size. For other hash-dependent algorithms, there is no interesting variation to test here, so only one hash gets tested.
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Add block sizes to HMAC metadata validation tests
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/* Hash length */
Use TEST_EQUAL(a,b) in preference to TEST_ASSERT(a==b) This commit is the result of the following command, followed by reindenting (but not wrapping lines): perl -00 -i -pe 's/^( *)TEST_ASSERT\(([^;=]*)(?: |\n *)==([^;=]*)\);$/${1}TEST_EQUAL($2,$3);/gm' tests/suites/test_suite_psa_*.function
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TEST_EQUAL( length, PSA_HASH_SIZE( alg ) );
Algorithm validation tests For all algorithms, validate feature test macros (PSA_ALG_IS_xxx). For hash algorithms, validate the exact hash size, and validate xxx_GET_HASH macros on dependent algorithms. For MAC algorithms, validate the MAC size. For AEAD algorithms, validate the tag size. There is a separate test case for each HMAC algorithm, which is necessary because each has its own MAC size. For other hash-dependent algorithms, there is no interesting variation to test here, so only one hash gets tested.
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TEST_ASSERT( length <= PSA_HASH_MAX_SIZE );
}
/* END_CASE */
/* BEGIN_CASE */
void mac_algorithm( int alg_arg, int classification_flags,
int length_arg,
int key_type_arg, int key_bits_arg )
{
psa_algorithm_t alg = alg_arg;
size_t length = length_arg;
Add metadata tests for truncated MAC and short-tag AEAD
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size_t n;
Algorithm validation tests For all algorithms, validate feature test macros (PSA_ALG_IS_xxx). For hash algorithms, validate the exact hash size, and validate xxx_GET_HASH macros on dependent algorithms. For MAC algorithms, validate the MAC size. For AEAD algorithms, validate the tag size. There is a separate test case for each HMAC algorithm, which is necessary because each has its own MAC size. For other hash-dependent algorithms, there is no interesting variation to test here, so only one hash gets tested.
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size_t key_type = key_type_arg;
size_t key_bits = key_bits_arg;
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mac_algorithm_core( alg, classification_flags,
key_type, key_bits, length );
Use TEST_EQUAL(a,b) in preference to TEST_ASSERT(a==b) This commit is the result of the following command, followed by reindenting (but not wrapping lines): perl -00 -i -pe 's/^( *)TEST_ASSERT\(([^;=]*)(?: |\n *)==([^;=]*)\);$/${1}TEST_EQUAL($2,$3);/gm' tests/suites/test_suite_psa_*.function
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TEST_EQUAL( PSA_ALG_FULL_LENGTH_MAC( alg ), alg );
Algorithm validation tests For all algorithms, validate feature test macros (PSA_ALG_IS_xxx). For hash algorithms, validate the exact hash size, and validate xxx_GET_HASH macros on dependent algorithms. For MAC algorithms, validate the MAC size. For AEAD algorithms, validate the tag size. There is a separate test case for each HMAC algorithm, which is necessary because each has its own MAC size. For other hash-dependent algorithms, there is no interesting variation to test here, so only one hash gets tested.
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TEST_ASSERT( length <= PSA_MAC_MAX_SIZE );
Add metadata tests for truncated MAC and short-tag AEAD
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/* Truncated versions */
for( n = 1; n <= length; n++ )
{
psa_algorithm_t truncated_alg = PSA_ALG_TRUNCATED_MAC( alg, n );
mac_algorithm_core( truncated_alg, classification_flags,
key_type, key_bits, n );
Use TEST_EQUAL(a,b) in preference to TEST_ASSERT(a==b) This commit is the result of the following command, followed by reindenting (but not wrapping lines): perl -00 -i -pe 's/^( *)TEST_ASSERT\(([^;=]*)(?: |\n *)==([^;=]*)\);$/${1}TEST_EQUAL($2,$3);/gm' tests/suites/test_suite_psa_*.function
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TEST_EQUAL( PSA_ALG_FULL_LENGTH_MAC( truncated_alg ), alg );
Add metadata tests for truncated MAC and short-tag AEAD
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/* Check that calling PSA_ALG_TRUNCATED_MAC twice gives the length
* of the outer truncation (even if the outer length is smaller than
* the inner length). */
Use TEST_EQUAL(a,b) in preference to TEST_ASSERT(a==b) This commit is the result of the following command, followed by reindenting (but not wrapping lines): perl -00 -i -pe 's/^( *)TEST_ASSERT\(([^;=]*)(?: |\n *)==([^;=]*)\);$/${1}TEST_EQUAL($2,$3);/gm' tests/suites/test_suite_psa_*.function
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TEST_EQUAL( PSA_ALG_TRUNCATED_MAC( truncated_alg, 1 ),
PSA_ALG_TRUNCATED_MAC( alg, 1 ) );
TEST_EQUAL( PSA_ALG_TRUNCATED_MAC( truncated_alg, length - 1 ),
PSA_ALG_TRUNCATED_MAC( alg, length - 1) );
TEST_EQUAL( PSA_ALG_TRUNCATED_MAC( truncated_alg, length ),
PSA_ALG_TRUNCATED_MAC( alg, length ) );
Add metadata tests for truncated MAC and short-tag AEAD
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}
Algorithm validation tests For all algorithms, validate feature test macros (PSA_ALG_IS_xxx). For hash algorithms, validate the exact hash size, and validate xxx_GET_HASH macros on dependent algorithms. For MAC algorithms, validate the MAC size. For AEAD algorithms, validate the tag size. There is a separate test case for each HMAC algorithm, which is necessary because each has its own MAC size. For other hash-dependent algorithms, there is no interesting variation to test here, so only one hash gets tested.
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}
/* END_CASE */
Add block sizes to HMAC metadata validation tests
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/* BEGIN_CASE */
void hmac_algorithm( int alg_arg,
int length_arg,
int block_size_arg )
{
psa_algorithm_t alg = alg_arg;
psa_algorithm_t hash_alg = PSA_ALG_HMAC_GET_HASH( alg );
size_t block_size = block_size_arg;
Add metadata tests for truncated MAC and short-tag AEAD
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size_t length = length_arg;
size_t n;
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TEST_ASSERT( PSA_ALG_IS_HASH( hash_alg ) );
Use TEST_EQUAL(a,b) in preference to TEST_ASSERT(a==b) This commit is the result of the following command, followed by reindenting (but not wrapping lines): perl -00 -i -pe 's/^( *)TEST_ASSERT\(([^;=]*)(?: |\n *)==([^;=]*)\);$/${1}TEST_EQUAL($2,$3);/gm' tests/suites/test_suite_psa_*.function
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TEST_EQUAL( PSA_ALG_HMAC( hash_alg ), alg );
Add block sizes to HMAC metadata validation tests
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TEST_ASSERT( block_size <= PSA_HMAC_MAX_HASH_BLOCK_SIZE );
Add metadata tests for truncated MAC and short-tag AEAD
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test_mac_algorithm( alg_arg, ALG_IS_HMAC, length,
PSA_KEY_TYPE_HMAC, PSA_BYTES_TO_BITS( length ) );
for( n = 1; n <= length; n++ )
{
psa_algorithm_t truncated_alg = PSA_ALG_TRUNCATED_MAC( alg, n );
Use TEST_EQUAL(a,b) in preference to TEST_ASSERT(a==b) This commit is the result of the following command, followed by reindenting (but not wrapping lines): perl -00 -i -pe 's/^( *)TEST_ASSERT\(([^;=]*)(?: |\n *)==([^;=]*)\);$/${1}TEST_EQUAL($2,$3);/gm' tests/suites/test_suite_psa_*.function
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TEST_EQUAL( PSA_ALG_HMAC_GET_HASH( truncated_alg ), hash_alg );
Add metadata tests for truncated MAC and short-tag AEAD
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}
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}
/* END_CASE */
Algorithm validation tests For all algorithms, validate feature test macros (PSA_ALG_IS_xxx). For hash algorithms, validate the exact hash size, and validate xxx_GET_HASH macros on dependent algorithms. For MAC algorithms, validate the MAC size. For AEAD algorithms, validate the tag size. There is a separate test case for each HMAC algorithm, which is necessary because each has its own MAC size. For other hash-dependent algorithms, there is no interesting variation to test here, so only one hash gets tested.
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/* BEGIN_CASE */
void cipher_algorithm( int alg_arg, int classification_flags )
{
psa_algorithm_t alg = alg_arg;
/* Algorithm classification */
TEST_ASSERT( ! PSA_ALG_IS_HASH( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_MAC( alg ) );
TEST_ASSERT( PSA_ALG_IS_CIPHER( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_AEAD( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_SIGN( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_ASYMMETRIC_ENCRYPTION( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_KEY_AGREEMENT( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_KEY_DERIVATION( alg ) );
algorithm_classification( alg, classification_flags );
}
/* END_CASE */
/* BEGIN_CASE */
void aead_algorithm( int alg_arg, int classification_flags,
int tag_length_arg )
{
psa_algorithm_t alg = alg_arg;
size_t tag_length = tag_length_arg;
Add metadata tests for truncated MAC and short-tag AEAD
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size_t n;
Algorithm validation tests For all algorithms, validate feature test macros (PSA_ALG_IS_xxx). For hash algorithms, validate the exact hash size, and validate xxx_GET_HASH macros on dependent algorithms. For MAC algorithms, validate the MAC size. For AEAD algorithms, validate the tag size. There is a separate test case for each HMAC algorithm, which is necessary because each has its own MAC size. For other hash-dependent algorithms, there is no interesting variation to test here, so only one hash gets tested.
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Add metadata tests for truncated MAC and short-tag AEAD
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aead_algorithm_core( alg, classification_flags, tag_length );
Algorithm validation tests For all algorithms, validate feature test macros (PSA_ALG_IS_xxx). For hash algorithms, validate the exact hash size, and validate xxx_GET_HASH macros on dependent algorithms. For MAC algorithms, validate the MAC size. For AEAD algorithms, validate the tag size. There is a separate test case for each HMAC algorithm, which is necessary because each has its own MAC size. For other hash-dependent algorithms, there is no interesting variation to test here, so only one hash gets tested.
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Add metadata tests for truncated MAC and short-tag AEAD
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/* Truncated versions */
for( n = 1; n <= tag_length; n++ )
{
psa_algorithm_t truncated_alg = PSA_ALG_AEAD_WITH_TAG_LENGTH( alg, n );
aead_algorithm_core( truncated_alg, classification_flags, n );
Rewrap some lines after the macro changes Change the way some lines are wrapped to cut at a more logical place. This commit mainly rewrites multi-line calls to TEST_EQUAL, and also a few calls to PSA_ASSERT.
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TEST_EQUAL( PSA_ALG_AEAD_WITH_DEFAULT_TAG_LENGTH( truncated_alg ),
alg );
Add metadata tests for truncated MAC and short-tag AEAD
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/* Check that calling PSA_ALG_AEAD_WITH_DEFAULT_TAG_LENGTH twice gives
* the length of the outer truncation (even if the outer length is
* smaller than the inner length). */
Rewrap some lines after the macro changes Change the way some lines are wrapped to cut at a more logical place. This commit mainly rewrites multi-line calls to TEST_EQUAL, and also a few calls to PSA_ASSERT.
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TEST_EQUAL( PSA_ALG_AEAD_WITH_TAG_LENGTH( truncated_alg, 1 ),
PSA_ALG_AEAD_WITH_TAG_LENGTH( alg, 1 ) );
TEST_EQUAL( PSA_ALG_AEAD_WITH_TAG_LENGTH( truncated_alg, tag_length - 1 ),
PSA_ALG_AEAD_WITH_TAG_LENGTH( alg, tag_length - 1) );
TEST_EQUAL( PSA_ALG_AEAD_WITH_TAG_LENGTH( truncated_alg, tag_length ),
PSA_ALG_AEAD_WITH_TAG_LENGTH( alg, tag_length ) );
Add metadata tests for truncated MAC and short-tag AEAD
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}
Algorithm validation tests For all algorithms, validate feature test macros (PSA_ALG_IS_xxx). For hash algorithms, validate the exact hash size, and validate xxx_GET_HASH macros on dependent algorithms. For MAC algorithms, validate the MAC size. For AEAD algorithms, validate the tag size. There is a separate test case for each HMAC algorithm, which is necessary because each has its own MAC size. For other hash-dependent algorithms, there is no interesting variation to test here, so only one hash gets tested.
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}
/* END_CASE */
/* BEGIN_CASE */
void asymmetric_signature_algorithm( int alg_arg, int classification_flags )
{
psa_algorithm_t alg = alg_arg;
/* Algorithm classification */
TEST_ASSERT( ! PSA_ALG_IS_HASH( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_MAC( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_CIPHER( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_AEAD( alg ) );
TEST_ASSERT( PSA_ALG_IS_SIGN( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_ASYMMETRIC_ENCRYPTION( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_KEY_AGREEMENT( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_KEY_DERIVATION( alg ) );
algorithm_classification( alg, classification_flags );
}
/* END_CASE */
Add a hash wildcard value for hash-and-sign algorithm You can use PSA_ALG_ANY_HASH to build the algorithm value for a hash-and-sign algorithm in a policy. Then the policy allows usage with this hash-and-sign family with any hash. Test that PSA_ALG_ANY_HASH-based policies allow a specific hash, but not a different hash-and-sign family. Test that PSA_ALG_ANY_HASH is not valid for operations, only in policies.
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/* BEGIN_CASE */
void asymmetric_signature_wildcard( int alg_arg, int classification_flags )
{
classification_flags |= ALG_IS_HASH_AND_SIGN | ALG_IS_WILDCARD;
test_asymmetric_signature_algorithm( alg_arg, classification_flags );
/* Any failure of this test function comes from
* asymmetric_signature_algorithm. Pacify -Werror=unused-label. */
goto exit;
}
/* END_CASE */
Algorithm validation tests For all algorithms, validate feature test macros (PSA_ALG_IS_xxx). For hash algorithms, validate the exact hash size, and validate xxx_GET_HASH macros on dependent algorithms. For MAC algorithms, validate the MAC size. For AEAD algorithms, validate the tag size. There is a separate test case for each HMAC algorithm, which is necessary because each has its own MAC size. For other hash-dependent algorithms, there is no interesting variation to test here, so only one hash gets tested.
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/* BEGIN_CASE */
void asymmetric_encryption_algorithm( int alg_arg, int classification_flags )
{
psa_algorithm_t alg = alg_arg;
/* Algorithm classification */
TEST_ASSERT( ! PSA_ALG_IS_HASH( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_MAC( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_CIPHER( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_AEAD( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_SIGN( alg ) );
TEST_ASSERT( PSA_ALG_IS_ASYMMETRIC_ENCRYPTION( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_KEY_AGREEMENT( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_KEY_DERIVATION( alg ) );
algorithm_classification( alg, classification_flags );
}
/* END_CASE */
/* BEGIN_CASE */
New algorithm category: key selection A key selection algorithm is similar to a key derivation algorithm in that it takes a secret input and produces a secret output stream. However, unlike key derivation algorithms, there is no expectation that the input cannot be reconstructed from the output. Key selection algorithms are exclusively meant to be used on the output of a key agreement algorithm to select chunks of the shared secret.
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void key_derivation_algorithm( int alg_arg, int classification_flags )
Algorithm validation tests For all algorithms, validate feature test macros (PSA_ALG_IS_xxx). For hash algorithms, validate the exact hash size, and validate xxx_GET_HASH macros on dependent algorithms. For MAC algorithms, validate the MAC size. For AEAD algorithms, validate the tag size. There is a separate test case for each HMAC algorithm, which is necessary because each has its own MAC size. For other hash-dependent algorithms, there is no interesting variation to test here, so only one hash gets tested.
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{
psa_algorithm_t alg = alg_arg;
Simplify the encoding of key agreement algorithms Get rid of "key selection" algorithms (of which there was only one: raw key selection). Encode key agreement by combining a raw key agreement with a KDF, rather than passing the KDF as an argument of a key agreement macro.
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psa_algorithm_t ecdh_alg = PSA_ALG_KEY_AGREEMENT( PSA_ALG_ECDH, alg );
psa_algorithm_t ffdh_alg = PSA_ALG_KEY_AGREEMENT( PSA_ALG_FFDH, alg );
Algorithm validation tests For all algorithms, validate feature test macros (PSA_ALG_IS_xxx). For hash algorithms, validate the exact hash size, and validate xxx_GET_HASH macros on dependent algorithms. For MAC algorithms, validate the MAC size. For AEAD algorithms, validate the tag size. There is a separate test case for each HMAC algorithm, which is necessary because each has its own MAC size. For other hash-dependent algorithms, there is no interesting variation to test here, so only one hash gets tested.
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/* Algorithm classification */
TEST_ASSERT( ! PSA_ALG_IS_HASH( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_MAC( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_CIPHER( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_AEAD( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_SIGN( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_ASYMMETRIC_ENCRYPTION( alg ) );
New algorithm category: key selection A key selection algorithm is similar to a key derivation algorithm in that it takes a secret input and produces a secret output stream. However, unlike key derivation algorithms, there is no expectation that the input cannot be reconstructed from the output. Key selection algorithms are exclusively meant to be used on the output of a key agreement algorithm to select chunks of the shared secret.
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TEST_ASSERT( ! PSA_ALG_IS_KEY_AGREEMENT( alg ) );
TEST_ASSERT( PSA_ALG_IS_KEY_DERIVATION( alg ) );
Algorithm validation tests For all algorithms, validate feature test macros (PSA_ALG_IS_xxx). For hash algorithms, validate the exact hash size, and validate xxx_GET_HASH macros on dependent algorithms. For MAC algorithms, validate the MAC size. For AEAD algorithms, validate the tag size. There is a separate test case for each HMAC algorithm, which is necessary because each has its own MAC size. For other hash-dependent algorithms, there is no interesting variation to test here, so only one hash gets tested.
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algorithm_classification( alg, classification_flags );
Key agreement: macros for finite-field Diffie-Hellman, ECDH Declare macros to represent key agreement algorithms.
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/* Check combinations with key agreements */
Simplify the encoding of key agreement algorithms Get rid of "key selection" algorithms (of which there was only one: raw key selection). Encode key agreement by combining a raw key agreement with a KDF, rather than passing the KDF as an argument of a key agreement macro.
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TEST_ASSERT( PSA_ALG_IS_KEY_AGREEMENT( ecdh_alg ) );
TEST_ASSERT( PSA_ALG_IS_KEY_AGREEMENT( ffdh_alg ) );
TEST_EQUAL( PSA_ALG_KEY_AGREEMENT_GET_KDF( ecdh_alg ), alg );
TEST_EQUAL( PSA_ALG_KEY_AGREEMENT_GET_KDF( ffdh_alg ), alg );
New algorithm category: key selection A key selection algorithm is similar to a key derivation algorithm in that it takes a secret input and produces a secret output stream. However, unlike key derivation algorithms, there is no expectation that the input cannot be reconstructed from the output. Key selection algorithms are exclusively meant to be used on the output of a key agreement algorithm to select chunks of the shared secret.
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}
/* END_CASE */
/* BEGIN_CASE */
void key_agreement_algorithm( int alg_arg, int classification_flags,
Simplify the encoding of key agreement algorithms Get rid of "key selection" algorithms (of which there was only one: raw key selection). Encode key agreement by combining a raw key agreement with a KDF, rather than passing the KDF as an argument of a key agreement macro.
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int ka_alg_arg, int kdf_alg_arg )
New algorithm category: key selection A key selection algorithm is similar to a key derivation algorithm in that it takes a secret input and produces a secret output stream. However, unlike key derivation algorithms, there is no expectation that the input cannot be reconstructed from the output. Key selection algorithms are exclusively meant to be used on the output of a key agreement algorithm to select chunks of the shared secret.
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{
psa_algorithm_t alg = alg_arg;
Simplify the encoding of key agreement algorithms Get rid of "key selection" algorithms (of which there was only one: raw key selection). Encode key agreement by combining a raw key agreement with a KDF, rather than passing the KDF as an argument of a key agreement macro.
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psa_algorithm_t actual_ka_alg = PSA_ALG_KEY_AGREEMENT_GET_BASE( alg );
psa_algorithm_t expected_ka_alg = ka_alg_arg;
psa_algorithm_t actual_kdf_alg = PSA_ALG_KEY_AGREEMENT_GET_KDF( alg );
psa_algorithm_t expected_kdf_alg = kdf_alg_arg;
New algorithm category: key selection A key selection algorithm is similar to a key derivation algorithm in that it takes a secret input and produces a secret output stream. However, unlike key derivation algorithms, there is no expectation that the input cannot be reconstructed from the output. Key selection algorithms are exclusively meant to be used on the output of a key agreement algorithm to select chunks of the shared secret.
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/* Algorithm classification */
TEST_ASSERT( ! PSA_ALG_IS_HASH( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_MAC( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_CIPHER( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_AEAD( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_SIGN( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_ASYMMETRIC_ENCRYPTION( alg ) );
TEST_ASSERT( PSA_ALG_IS_KEY_AGREEMENT( alg ) );
TEST_ASSERT( ! PSA_ALG_IS_KEY_DERIVATION( alg ) );
Algorithm validation tests For all algorithms, validate feature test macros (PSA_ALG_IS_xxx). For hash algorithms, validate the exact hash size, and validate xxx_GET_HASH macros on dependent algorithms. For MAC algorithms, validate the MAC size. For AEAD algorithms, validate the tag size. There is a separate test case for each HMAC algorithm, which is necessary because each has its own MAC size. For other hash-dependent algorithms, there is no interesting variation to test here, so only one hash gets tested.
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algorithm_classification( alg, classification_flags );
New algorithm category: key selection A key selection algorithm is similar to a key derivation algorithm in that it takes a secret input and produces a secret output stream. However, unlike key derivation algorithms, there is no expectation that the input cannot be reconstructed from the output. Key selection algorithms are exclusively meant to be used on the output of a key agreement algorithm to select chunks of the shared secret.
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/* Shared secret derivation properties */
Simplify the encoding of key agreement algorithms Get rid of "key selection" algorithms (of which there was only one: raw key selection). Encode key agreement by combining a raw key agreement with a KDF, rather than passing the KDF as an argument of a key agreement macro.
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TEST_EQUAL( actual_ka_alg, expected_ka_alg );
TEST_EQUAL( actual_kdf_alg, expected_kdf_alg );
Algorithm validation tests For all algorithms, validate feature test macros (PSA_ALG_IS_xxx). For hash algorithms, validate the exact hash size, and validate xxx_GET_HASH macros on dependent algorithms. For MAC algorithms, validate the MAC size. For AEAD algorithms, validate the tag size. There is a separate test case for each HMAC algorithm, which is necessary because each has its own MAC size. For other hash-dependent algorithms, there is no interesting variation to test here, so only one hash gets tested.
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}
/* END_CASE */
Key type validation tests For all key types, validate feature test macros (PSA_KEY_TYPE_IS_xxx). For asymmetric keys (public key or key pair), validate the corresponding public/pair type. For ECC keys, validate GET_CURVE.
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/* BEGIN_CASE */
void key_type( int type_arg, int classification_flags )
{
psa_key_type_t type = type_arg;
key_type_classification( type, classification_flags );
/* For asymmetric types, check the corresponding pair/public type */
if( classification_flags & KEY_TYPE_IS_PUBLIC_KEY )
{
Rename *KEYPAIR* to *KEY_PAIR* Be consistent with PUBLIC_KEY. perl -i -pe 's/KEYPAIR/KEY_PAIR/g' $(git ls-files)
2019-05-16 19:39:54 +02:00
psa_key_type_t pair_type = PSA_KEY_TYPE_KEY_PAIR_OF_PUBLIC_KEY( type );
TEST_EQUAL( PSA_KEY_TYPE_PUBLIC_KEY_OF_KEY_PAIR( pair_type ), type );
Key type validation tests For all key types, validate feature test macros (PSA_KEY_TYPE_IS_xxx). For asymmetric keys (public key or key pair), validate the corresponding public/pair type. For ECC keys, validate GET_CURVE.
2018-08-22 18:43:09 +02:00
key_type_classification( pair_type,
( classification_flags
& ~KEY_TYPE_IS_PUBLIC_KEY )
Rename *KEYPAIR* to *KEY_PAIR* Be consistent with PUBLIC_KEY. perl -i -pe 's/KEYPAIR/KEY_PAIR/g' $(git ls-files)
2019-05-16 19:39:54 +02:00
| KEY_TYPE_IS_KEY_PAIR );
TEST_EQUAL( PSA_KEY_TYPE_PUBLIC_KEY_OF_KEY_PAIR( type ), type );
Key type validation tests For all key types, validate feature test macros (PSA_KEY_TYPE_IS_xxx). For asymmetric keys (public key or key pair), validate the corresponding public/pair type. For ECC keys, validate GET_CURVE.
2018-08-22 18:43:09 +02:00
}
Rename *KEYPAIR* to *KEY_PAIR* Be consistent with PUBLIC_KEY. perl -i -pe 's/KEYPAIR/KEY_PAIR/g' $(git ls-files)
2019-05-16 19:39:54 +02:00
if( classification_flags & KEY_TYPE_IS_KEY_PAIR )
Key type validation tests For all key types, validate feature test macros (PSA_KEY_TYPE_IS_xxx). For asymmetric keys (public key or key pair), validate the corresponding public/pair type. For ECC keys, validate GET_CURVE.
2018-08-22 18:43:09 +02:00
{
Rename *KEYPAIR* to *KEY_PAIR* Be consistent with PUBLIC_KEY. perl -i -pe 's/KEYPAIR/KEY_PAIR/g' $(git ls-files)
2019-05-16 19:39:54 +02:00
psa_key_type_t public_type = PSA_KEY_TYPE_PUBLIC_KEY_OF_KEY_PAIR( type );
TEST_EQUAL( PSA_KEY_TYPE_KEY_PAIR_OF_PUBLIC_KEY( public_type ), type );
Key type validation tests For all key types, validate feature test macros (PSA_KEY_TYPE_IS_xxx). For asymmetric keys (public key or key pair), validate the corresponding public/pair type. For ECC keys, validate GET_CURVE.
2018-08-22 18:43:09 +02:00
key_type_classification( public_type,
( classification_flags
Rename *KEYPAIR* to *KEY_PAIR* Be consistent with PUBLIC_KEY. perl -i -pe 's/KEYPAIR/KEY_PAIR/g' $(git ls-files)
2019-05-16 19:39:54 +02:00
& ~KEY_TYPE_IS_KEY_PAIR )
Key type validation tests For all key types, validate feature test macros (PSA_KEY_TYPE_IS_xxx). For asymmetric keys (public key or key pair), validate the corresponding public/pair type. For ECC keys, validate GET_CURVE.
2018-08-22 18:43:09 +02:00
| KEY_TYPE_IS_PUBLIC_KEY );
Rename *KEYPAIR* to *KEY_PAIR* Be consistent with PUBLIC_KEY. perl -i -pe 's/KEYPAIR/KEY_PAIR/g' $(git ls-files)
2019-05-16 19:39:54 +02:00
TEST_EQUAL( PSA_KEY_TYPE_KEY_PAIR_OF_PUBLIC_KEY( type ), type );
Key type validation tests For all key types, validate feature test macros (PSA_KEY_TYPE_IS_xxx). For asymmetric keys (public key or key pair), validate the corresponding public/pair type. For ECC keys, validate GET_CURVE.
2018-08-22 18:43:09 +02:00
}
}
/* END_CASE */
Test the block size for symmetric keys Also insist on their category. Fix a missing implementation of PSA_BLOCK_CIPHER_BLOCK_SIZE for ChaCha20.
2019-12-02 17:26:44 +01:00
/* BEGIN_CASE */
void block_cipher_key_type( int type_arg, int block_size_arg )
{
psa_key_type_t type = type_arg;
size_t block_size = block_size_arg;
test_key_type( type_arg, KEY_TYPE_IS_UNSTRUCTURED );
TEST_EQUAL( type & PSA_KEY_TYPE_CATEGORY_MASK,
PSA_KEY_TYPE_CATEGORY_SYMMETRIC );
TEST_EQUAL( PSA_BLOCK_CIPHER_BLOCK_SIZE( type ), block_size );
}
/* END_CASE */
/* BEGIN_CASE */
void stream_cipher_key_type( int type_arg )
{
psa_key_type_t type = type_arg;
test_key_type( type_arg, KEY_TYPE_IS_UNSTRUCTURED );
TEST_EQUAL( type & PSA_KEY_TYPE_CATEGORY_MASK,
PSA_KEY_TYPE_CATEGORY_SYMMETRIC );
TEST_EQUAL( PSA_BLOCK_CIPHER_BLOCK_SIZE( type ), 1 );
}
/* END_CASE */
Define EC curve family constants Define constants for ECC curve families and DH group families. These constants have 0x0000 in the lower 16 bits of the key type. Support these constants in the implementation and in the PSA metadata tests. Switch the slot management and secure element driver HAL tests to the new curve encodings. This requires SE driver code to become slightly more clever when figuring out the bit-size of an imported EC key since it now needs to take the data size into account. Switch some documentation to the new encodings. Remove the macro PSA_ECC_CURVE_BITS which can no longer be implemented.
2019-12-03 17:24:19 +01:00
/* BEGIN_CASE depends_on:MBEDTLS_ECP_C */
void ecc_key_family( int curve_arg )
Key type validation tests For all key types, validate feature test macros (PSA_KEY_TYPE_IS_xxx). For asymmetric keys (public key or key pair), validate the corresponding public/pair type. For ECC keys, validate GET_CURVE.
2018-08-22 18:43:09 +02:00
{
Rename ECC Family Macros According to PSA Spec Rename PSA_ECC_CURVE_xxx to PSA_ECC_FAMILY_xxx, also rename PSA_KEY_TYPE_GET_CURVE to PSA_KEY_TYPE_ECC_GET_FAMILY and rename psa_ecc_curve_t to psa_ecc_family_t. Old defines are provided in include/crypto_compat.h for backward compatibility. Signed-off-by: Paul Elliott <paul.elliott@arm.com>
2020-06-02 18:19:28 +02:00
psa_ecc_family_t curve = curve_arg;
Key type validation tests For all key types, validate feature test macros (PSA_KEY_TYPE_IS_xxx). For asymmetric keys (public key or key pair), validate the corresponding public/pair type. For ECC keys, validate GET_CURVE.
2018-08-22 18:43:09 +02:00
psa_key_type_t public_type = PSA_KEY_TYPE_ECC_PUBLIC_KEY( curve );
Rename *KEYPAIR* to *KEY_PAIR* Be consistent with PUBLIC_KEY. perl -i -pe 's/KEYPAIR/KEY_PAIR/g' $(git ls-files)
2019-05-16 19:39:54 +02:00
psa_key_type_t pair_type = PSA_KEY_TYPE_ECC_KEY_PAIR( curve );
Key type validation tests For all key types, validate feature test macros (PSA_KEY_TYPE_IS_xxx). For asymmetric keys (public key or key pair), validate the corresponding public/pair type. For ECC keys, validate GET_CURVE.
2018-08-22 18:43:09 +02:00
Fix parity tests to actually fail the test on error Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2020-08-25 22:30:31 +02:00
TEST_PARITY( curve );
Change the encoding of key types to have a parity bit Change the encoding of key types, EC curve families and DH group families to make the low-order bit a parity bit (with even parity). This ensures that distinct key type values always have a Hamming distance of at least 2, which makes it easier for implementations to resist single bit flips.
2019-12-04 18:58:44 +01:00
Key type validation tests For all key types, validate feature test macros (PSA_KEY_TYPE_IS_xxx). For asymmetric keys (public key or key pair), validate the corresponding public/pair type. For ECC keys, validate GET_CURVE.
2018-08-22 18:43:09 +02:00
test_key_type( public_type, KEY_TYPE_IS_ECC | KEY_TYPE_IS_PUBLIC_KEY );
Rename *KEYPAIR* to *KEY_PAIR* Be consistent with PUBLIC_KEY. perl -i -pe 's/KEYPAIR/KEY_PAIR/g' $(git ls-files)
2019-05-16 19:39:54 +02:00
test_key_type( pair_type, KEY_TYPE_IS_ECC | KEY_TYPE_IS_KEY_PAIR );
Key type validation tests For all key types, validate feature test macros (PSA_KEY_TYPE_IS_xxx). For asymmetric keys (public key or key pair), validate the corresponding public/pair type. For ECC keys, validate GET_CURVE.
2018-08-22 18:43:09 +02:00
Rename ECC Family Macros According to PSA Spec Rename PSA_ECC_CURVE_xxx to PSA_ECC_FAMILY_xxx, also rename PSA_KEY_TYPE_GET_CURVE to PSA_KEY_TYPE_ECC_GET_FAMILY and rename psa_ecc_curve_t to psa_ecc_family_t. Old defines are provided in include/crypto_compat.h for backward compatibility. Signed-off-by: Paul Elliott <paul.elliott@arm.com>
2020-06-02 18:19:28 +02:00
TEST_EQUAL( PSA_KEY_TYPE_ECC_GET_FAMILY( public_type ), curve );
TEST_EQUAL( PSA_KEY_TYPE_ECC_GET_FAMILY( pair_type ), curve );
Define EC curve family constants Define constants for ECC curve families and DH group families. These constants have 0x0000 in the lower 16 bits of the key type. Support these constants in the implementation and in the PSA metadata tests. Switch the slot management and secure element driver HAL tests to the new curve encodings. This requires SE driver code to become slightly more clever when figuring out the bit-size of an imported EC key since it now needs to take the data size into account. Switch some documentation to the new encodings. Remove the macro PSA_ECC_CURVE_BITS which can no longer be implemented.
2019-12-03 17:24:19 +01:00
}
/* END_CASE */
Parametrize Diffie-Hellman keys by a group identifier Parametrize finite-field Diffie-Hellman key types with a DH group identifier, in the same way elliptic curve keys are parametrized with an EC curve identifier. Define the DH groups from the TLS registry (these are the groups from RFC 7919). Replicate the macro definitions and the metadata tests from elliptic curve identifiers to DH group identifiers. Define PSA_DH_GROUP_CUSTOM as an implementation-specific extension for which domain parameters are used to specify the group.
2019-05-16 12:55:35 +02:00
/* BEGIN_CASE depends_on:MBEDTLS_DHM_C */
Define EC curve family constants Define constants for ECC curve families and DH group families. These constants have 0x0000 in the lower 16 bits of the key type. Support these constants in the implementation and in the PSA metadata tests. Switch the slot management and secure element driver HAL tests to the new curve encodings. This requires SE driver code to become slightly more clever when figuring out the bit-size of an imported EC key since it now needs to take the data size into account. Switch some documentation to the new encodings. Remove the macro PSA_ECC_CURVE_BITS which can no longer be implemented.
2019-12-03 17:24:19 +01:00
void dh_key_family( int group_arg )
Parametrize Diffie-Hellman keys by a group identifier Parametrize finite-field Diffie-Hellman key types with a DH group identifier, in the same way elliptic curve keys are parametrized with an EC curve identifier. Define the DH groups from the TLS registry (these are the groups from RFC 7919). Replicate the macro definitions and the metadata tests from elliptic curve identifiers to DH group identifiers. Define PSA_DH_GROUP_CUSTOM as an implementation-specific extension for which domain parameters are used to specify the group.
2019-05-16 12:55:35 +02:00
{
Rename DH Family Macros According to PSA Spec Rename PSA_DH_GROUP_xxx to PSA_DH_FAMILY_xxx, also rename PSA_KEY_TYPE_GET_GROUP to PSA_KEY_TYPE_DH_GET_FAMILY and rename psa_dh_group_t to psa_dh_family_t. Old defines are provided in include/crypto_compat.h for backward compatibility. Signed-off-by: Paul Elliott <paul.elliott@arm.com>
2020-06-03 16:17:39 +02:00
psa_dh_family_t group = group_arg;
Parametrize Diffie-Hellman keys by a group identifier Parametrize finite-field Diffie-Hellman key types with a DH group identifier, in the same way elliptic curve keys are parametrized with an EC curve identifier. Define the DH groups from the TLS registry (these are the groups from RFC 7919). Replicate the macro definitions and the metadata tests from elliptic curve identifiers to DH group identifiers. Define PSA_DH_GROUP_CUSTOM as an implementation-specific extension for which domain parameters are used to specify the group.
2019-05-16 12:55:35 +02:00
psa_key_type_t public_type = PSA_KEY_TYPE_DH_PUBLIC_KEY( group );
Rename *KEYPAIR* to *KEY_PAIR* Be consistent with PUBLIC_KEY. perl -i -pe 's/KEYPAIR/KEY_PAIR/g' $(git ls-files)
2019-05-16 19:39:54 +02:00
psa_key_type_t pair_type = PSA_KEY_TYPE_DH_KEY_PAIR( group );
Parametrize Diffie-Hellman keys by a group identifier Parametrize finite-field Diffie-Hellman key types with a DH group identifier, in the same way elliptic curve keys are parametrized with an EC curve identifier. Define the DH groups from the TLS registry (these are the groups from RFC 7919). Replicate the macro definitions and the metadata tests from elliptic curve identifiers to DH group identifiers. Define PSA_DH_GROUP_CUSTOM as an implementation-specific extension for which domain parameters are used to specify the group.
2019-05-16 12:55:35 +02:00
Fix parity tests to actually fail the test on error Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2020-08-25 22:30:31 +02:00
TEST_PARITY( group );
Change the encoding of key types to have a parity bit Change the encoding of key types, EC curve families and DH group families to make the low-order bit a parity bit (with even parity). This ensures that distinct key type values always have a Hamming distance of at least 2, which makes it easier for implementations to resist single bit flips.
2019-12-04 18:58:44 +01:00
Parametrize Diffie-Hellman keys by a group identifier Parametrize finite-field Diffie-Hellman key types with a DH group identifier, in the same way elliptic curve keys are parametrized with an EC curve identifier. Define the DH groups from the TLS registry (these are the groups from RFC 7919). Replicate the macro definitions and the metadata tests from elliptic curve identifiers to DH group identifiers. Define PSA_DH_GROUP_CUSTOM as an implementation-specific extension for which domain parameters are used to specify the group.
2019-05-16 12:55:35 +02:00
test_key_type( public_type, KEY_TYPE_IS_DH | KEY_TYPE_IS_PUBLIC_KEY );
Rename *KEYPAIR* to *KEY_PAIR* Be consistent with PUBLIC_KEY. perl -i -pe 's/KEYPAIR/KEY_PAIR/g' $(git ls-files)
2019-05-16 19:39:54 +02:00
test_key_type( pair_type, KEY_TYPE_IS_DH | KEY_TYPE_IS_KEY_PAIR );
Parametrize Diffie-Hellman keys by a group identifier Parametrize finite-field Diffie-Hellman key types with a DH group identifier, in the same way elliptic curve keys are parametrized with an EC curve identifier. Define the DH groups from the TLS registry (these are the groups from RFC 7919). Replicate the macro definitions and the metadata tests from elliptic curve identifiers to DH group identifiers. Define PSA_DH_GROUP_CUSTOM as an implementation-specific extension for which domain parameters are used to specify the group.
2019-05-16 12:55:35 +02:00
Rename DH Family Macros According to PSA Spec Rename PSA_DH_GROUP_xxx to PSA_DH_FAMILY_xxx, also rename PSA_KEY_TYPE_GET_GROUP to PSA_KEY_TYPE_DH_GET_FAMILY and rename psa_dh_group_t to psa_dh_family_t. Old defines are provided in include/crypto_compat.h for backward compatibility. Signed-off-by: Paul Elliott <paul.elliott@arm.com>
2020-06-03 16:17:39 +02:00
TEST_EQUAL( PSA_KEY_TYPE_DH_GET_FAMILY( public_type ), group );
TEST_EQUAL( PSA_KEY_TYPE_DH_GET_FAMILY( pair_type ), group );
Define EC curve family constants Define constants for ECC curve families and DH group families. These constants have 0x0000 in the lower 16 bits of the key type. Support these constants in the implementation and in the PSA metadata tests. Switch the slot management and secure element driver HAL tests to the new curve encodings. This requires SE driver code to become slightly more clever when figuring out the bit-size of an imported EC key since it now needs to take the data size into account. Switch some documentation to the new encodings. Remove the macro PSA_ECC_CURVE_BITS which can no longer be implemented.
2019-12-03 17:24:19 +01:00
}
/* END_CASE */
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