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Remove md_info in ssl_tls12_populate_transform() when USE_PSA_CRYPTO is defined

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Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
This commit is contained in:
Neil Armstrong 2022-03-08 09:08:22 +01:00
parent 571f1187b6
commit e451295179
1 changed files with 20 additions and 12 deletions
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32
library/ssl_tls.c
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@ -7055,12 +7055,15 @@ static int ssl_tls12_populate_transform( mbedtls_ssl_transform *transform,
size_t keylen;
const mbedtls_ssl_ciphersuite_t *ciphersuite_info;
const mbedtls_cipher_info_t *cipher_info;
#if !defined(MBEDTLS_USE_PSA_CRYPTO)
const mbedtls_md_info_t *md_info;
#endif /* !MBEDTLS_USE_PSA_CRYPTO */
#if defined(MBEDTLS_USE_PSA_CRYPTO)
psa_key_type_t key_type;
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
psa_algorithm_t alg;
psa_algorithm_t mac_alg = 0;
size_t key_bits;
psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
#endif
@ -7115,6 +7118,15 @@ static int ssl_tls12_populate_transform( mbedtls_ssl_transform *transform,
return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA );
}
#if defined(MBEDTLS_USE_PSA_CRYPTO)
mac_alg = mbedtls_psa_translate_md( ciphersuite_info->mac );
if( mac_alg == 0 )
{
MBEDTLS_SSL_DEBUG_MSG( 1, ( "mbedtls_psa_translate_md for %u not found",
(unsigned) ciphersuite_info->mac ) );
return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA );
}
#else
md_info = mbedtls_md_info_from_type( ciphersuite_info->mac );
if( md_info == NULL )
{
@ -7122,6 +7134,7 @@ static int ssl_tls12_populate_transform( mbedtls_ssl_transform *transform,
(unsigned) ciphersuite_info->mac ) );
return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA );
}
#endif /* MBEDTLS_USE_PSA_CRYPTO */
#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
/* Copy own and peer's CID if the use of the CID
@ -7203,7 +7216,10 @@ static int ssl_tls12_populate_transform( mbedtls_ssl_transform *transform,
if( mbedtls_cipher_info_get_mode( cipher_info ) == MBEDTLS_MODE_STREAM ||
mbedtls_cipher_info_get_mode( cipher_info ) == MBEDTLS_MODE_CBC )
{
#if !defined(MBEDTLS_USE_PSA_CRYPTO)
#if defined(MBEDTLS_USE_PSA_CRYPTO)
/* Get MAC length */
mac_key_len = PSA_HASH_LENGTH(mac_alg);
#else
/* Initialize HMAC contexts */
if( ( ret = mbedtls_md_setup( &transform->md_ctx_enc, md_info, 1 ) ) != 0 ||
( ret = mbedtls_md_setup( &transform->md_ctx_dec, md_info, 1 ) ) != 0 )
@ -7211,10 +7227,10 @@ static int ssl_tls12_populate_transform( mbedtls_ssl_transform *transform,
MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_md_setup", ret );
goto end;
}
#endif /* !MBEDTLS_USE_PSA_CRYPTO */
/* Get MAC length */
mac_key_len = mbedtls_md_get_size( md_info );
#endif /* MBEDTLS_USE_PSA_CRYPTO */
transform->maclen = mac_key_len;
/* IV length */
@ -7429,18 +7445,10 @@ static int ssl_tls12_populate_transform( mbedtls_ssl_transform *transform,
if( mac_key_len != 0 )
{
#if defined(MBEDTLS_USE_PSA_CRYPTO)
alg = mbedtls_psa_translate_md( ciphersuite_info->mac );
if( alg == 0 )
{
ret = MBEDTLS_ERR_SSL_BAD_INPUT_DATA;
MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_md_type_to_psa", ret );
goto end;
}
transform->psa_mac_alg = PSA_ALG_HMAC( alg );
transform->psa_mac_alg = PSA_ALG_HMAC( mac_alg );
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_SIGN_MESSAGE );
psa_set_key_algorithm( &attributes, PSA_ALG_HMAC( alg ) );
psa_set_key_algorithm( &attributes, PSA_ALG_HMAC( mac_alg ) );
psa_set_key_type( &attributes, PSA_KEY_TYPE_HMAC );
if( ( status = psa_import_key( &attributes,