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test: add more tests for Montgomery's invalid masks

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Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
This commit is contained in:
Valerio Setti 2023-07-05 10:33:53 +02:00
parent aed87994da
commit d476faa595
2 changed files with 24 additions and 6 deletions
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26
tests/suites/test_suite_pkparse.data
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@ -1196,10 +1196,6 @@ Key ASN1 (ECPrivateKey, empty parameters)
depends_on:MBEDTLS_PK_HAVE_ECC_KEYS
pk_parse_key:"30070201010400a000":MBEDTLS_ERR_PK_KEY_INVALID_FORMAT
Key ASN1 (OneAsymmetricKey X25519, doesn't match masking requirements, from RFC8410 Appendix A but made into version 0)
depends_on:MBEDTLS_PK_HAVE_ECC_KEYS:PSA_WANT_ECC_MONTGOMERY_255
pk_parse_fix_x25519:"302e020100300506032b656e04220420f8ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff3f":"302e020100300506032b656e04220420f8ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff7f"
Key ASN1 (OneAsymmetricKey X25519, with invalid optional AlgorithIdentifier parameters)
depends_on:MBEDTLS_PK_HAVE_ECC_KEYS:PSA_WANT_ECC_MONTGOMERY_255
pk_parse_key:"3030020100300706032b656e050004220420b06d829655543a51cba36e53522bc0acfd60af59466555fb3e1e796872ab1a59":MBEDTLS_ERR_PK_KEY_INVALID_FORMAT
@ -1222,3 +1218,25 @@ pk_parse_key:"3051020101300506032b656e04220420b06d829655543a51cba36e53522bc0acfd
Key ASN1 (OneAsymmetricKey X25519, unsupported version 2 with public key and unsupported attributes)
depends_on:MBEDTLS_PK_HAVE_ECC_KEYS:PSA_WANT_ECC_MONTGOMERY_255
pk_parse_key:"3072020101300506032b656e04220420b06d829655543a51cba36e53522bc0acfd60af59466555fb3e1e796872ab1a59a01f301d060a2a864886f70d01090914310f0c0d437572646c65204368616972738121009bc3b0e93d8233fe6a8ba6138948cc12a91362d5c2ed81584db05ab5419c9d11":MBEDTLS_ERR_PK_KEY_INVALID_FORMAT
# From RFC8410 Appendix A but made into version 0
OneAsymmetricKey X25519, doesn't match masking requirements #1
depends_on:PSA_WANT_ECC_MONTGOMERY_255
pk_parse_fix_montgomery:"302e020100300506032b656e04220420f8ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff3f":"302e020100300506032b656e04220420f8ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff7f"
# Full inverse of the expected x25519 pattern:
# - 3 LSb to 1
# - 1st MSb to 1
# - 2nd MSb to 0
# Note: Montgomery keys are written in Little endian format.
OneAsymmetricKey X25519, doesn't match masking requirements #2
depends_on:PSA_WANT_ECC_MONTGOMERY_255
pk_parse_fix_montgomery:"302e020100300506032b656e04220420ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffbf":"302e020100300506032b656e04220420f8ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff7f"
# Full inverse of the expected x448 pattern:
# - 2 LSb to 1
# - MSb to 0
# Note: Montgomery keys are written in Little endian format.
OneAsymmetricKey X448, doesn't match masking requirements #3
depends_on:PSA_WANT_ECC_MONTGOMERY_448
pk_parse_fix_montgomery:"3046020100300506032b656f043a0438ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff7f":"3046020100300506032b656f043a0438fcffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"

4
tests/suites/test_suite_pkparse.function
View File

@ -150,8 +150,8 @@ exit:
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_PK_WRITE_C */
void pk_parse_fix_x25519(data_t *input_key, data_t *exp_output)
/* BEGIN_CASE depends_on:MBEDTLS_PK_HAVE_ECC_KEYS:MBEDTLS_PK_WRITE_C */
void pk_parse_fix_montgomery(data_t *input_key, data_t *exp_output)
{
/* Montgomery keys have specific bits set to either 0 or 1 depending on
* their position. This is enforced during parsing (please see the implementation