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psa: ecdsa: Prefer NOT_SUPPORTED error code

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When ECDSA is not supported by the library, prefer
to return NOT_SUPPORTED than INVALID_ARGUMENT when
asked for an ECDSA signature.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
This commit is contained in:
Ronald Cron 2021-03-04 17:09:00 +01:00
parent 9103d490e8
commit bb9cbc7a23
3 changed files with 8 additions and 7 deletions
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9
library/psa_crypto.c
View File

@ -3090,10 +3090,10 @@ psa_status_t psa_sign_hash_internal(
else
#endif /* defined(MBEDTLS_PSA_BUILTIN_ALG_RSA_PKCS1V15_SIGN) ||
* defined(MBEDTLS_PSA_BUILTIN_ALG_RSA_PSS) */
if( PSA_KEY_TYPE_IS_ECC( attributes->core.type ) )
{
#if defined(MBEDTLS_PSA_BUILTIN_ALG_ECDSA) || \
defined(MBEDTLS_PSA_BUILTIN_ALG_DETERMINISTIC_ECDSA)
if( PSA_KEY_TYPE_IS_ECC( attributes->core.type ) )
{
if( PSA_ALG_IS_ECDSA( alg ) )
{
return( mbedtls_psa_ecdsa_sign_hash(
@ -3103,14 +3103,15 @@ psa_status_t psa_sign_hash_internal(
signature, signature_size, signature_length ) );
}
else
#endif /* defined(MBEDTLS_PSA_BUILTIN_ALG_ECDSA) ||
* defined(MBEDTLS_PSA_BUILTIN_ALG_DETERMINISTIC_ECDSA) */
{
return( PSA_ERROR_INVALID_ARGUMENT );
}
}
else
#endif /* defined(MBEDTLS_PSA_BUILTIN_ALG_ECDSA) ||
* defined(MBEDTLS_PSA_BUILTIN_ALG_DETERMINISTIC_ECDSA) */
{
(void)attributes;
(void)key_buffer;
(void)key_buffer_size;
(void)alg;

2
library/psa_crypto_ecp.c
View File

@ -401,7 +401,7 @@ static psa_status_t ecdsa_sign_hash(
mbedtls_psa_get_random,
MBEDTLS_PSA_RANDOM_STATE ) );
#else
ret = MBEDTLS_ERR_ECP_INVALID_KEY;
ret = MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE;
goto cleanup;
#endif /* defined(BUILTIN_ALG_DETERMINISTIC_ECDSA) */
}

4
tests/suites/test_suite_psa_crypto.data
View File

@ -1969,12 +1969,12 @@ depends_on:PSA_WANT_ALG_RSA_PKCS1V15_SIGN:PSA_WANT_KEY_TYPE_RSA_PUBLIC_KEY:MBEDT
sign_fail:PSA_KEY_TYPE_RSA_PUBLIC_KEY:"30818902818100af057d396ee84fb75fdbb5c2b13c7fe5a654aa8aa2470b541ee1feb0b12d25c79711531249e1129628042dbbb6c120d1443524ef4c0e6e1d8956eeb2077af12349ddeee54483bc06c2c61948cd02b202e796aebd94d3a7cbf859c2c1819c324cb82b9cd34ede263a2abffe4733f077869e8660f7d6834da53d690ef7985f6bc30203010001":PSA_ALG_RSA_PKCS1V15_SIGN_RAW:"9ac4335b469bbd791439248504dd0d49c71349a295fee5a1c68507f45a9e1c7b":72:PSA_ERROR_INVALID_ARGUMENT
PSA sign: invalid algorithm for ECC key
depends_on:PSA_WANT_ALG_RSA_PSS:PSA_WANT_ALG_SHA_256:PSA_WANT_KEY_TYPE_ECC_KEY_PAIR:MBEDTLS_PK_PARSE_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED:MBEDTLS_MD_C
depends_on:PSA_WANT_ALG_RSA_PSS:PSA_WANT_ALG_SHA_256:PSA_WANT_ALG_ECDSA:PSA_WANT_KEY_TYPE_ECC_KEY_PAIR:MBEDTLS_PK_PARSE_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED:MBEDTLS_MD_C
sign_fail:PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_FAMILY_SECP_R1):"ab45435712649cb30bbddac49197eebf2740ffc7f874d9244c3460f54f322d3a":PSA_ALG_RSA_PSS(PSA_ALG_SHA_256):"9ac4335b469bbd791439248504dd0d49c71349a295fee5a1c68507f45a9e1c7b":72:PSA_ERROR_INVALID_ARGUMENT
PSA sign: deterministic ECDSA not supported
depends_on:!PSA_WANT_ALG_DETERMINISTIC_ECDSA:PSA_WANT_ALG_SHA_256:PSA_WANT_KEY_TYPE_ECC_KEY_PAIR:MBEDTLS_PK_PARSE_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_MD_C
sign_fail:PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_FAMILY_SECP_R1):"3f5d8d9be280b5696cc5cc9f94cf8af7e6b61dd6592b2ab2b3a4c607450417ec327dcdcaed7c10053d719a0574f0a76a":PSA_ALG_DETERMINISTIC_ECDSA( PSA_ALG_SHA_256 ):"2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824":96:PSA_ERROR_INVALID_ARGUMENT
sign_fail:PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_FAMILY_SECP_R1):"3f5d8d9be280b5696cc5cc9f94cf8af7e6b61dd6592b2ab2b3a4c607450417ec327dcdcaed7c10053d719a0574f0a76a":PSA_ALG_DETERMINISTIC_ECDSA( PSA_ALG_SHA_256 ):"2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824":96:PSA_ERROR_NOT_SUPPORTED
PSA sign/verify: RSA PKCS#1 v1.5, raw
depends_on:PSA_WANT_ALG_RSA_PKCS1V15_SIGN:PSA_WANT_KEY_TYPE_RSA_KEY_PAIR:MBEDTLS_PK_PARSE_C:MBEDTLS_MD_C