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Remove duplicated signature algorithm in default settings

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Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
This commit is contained in:
Jerry Yu 2022-01-20 17:56:50 +08:00
parent 600ded7ea5
commit 1a8b481ce6
1 changed files with 49 additions and 31 deletions
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80
library/ssl_tls.c
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@ -6489,28 +6489,17 @@ static int ssl_preset_suiteb_hashes[] = {
};
#endif /* !MBEDTLS_DEPRECATED_REMOVED */
/* NOTICE: Make sure there are no duplicated entries when add new signature
* algorithms into ssl_preset_default_sig_algs
*/
static uint16_t ssl_preset_default_sig_algs[] = {
#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
/* ECDSA algorithms */
#if defined(MBEDTLS_ECDSA_C)
#if defined(MBEDTLS_SHA256_C) && defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED)
MBEDTLS_TLS1_3_SIG_ECDSA_SECP256R1_SHA256,
#endif /* MBEDTLS_SHA256_C && MBEDTLS_ECP_DP_SECP256R1_ENABLED */
#if defined(MBEDTLS_SHA384_C) && defined(MBEDTLS_ECP_DP_SECP384R1_ENABLED)
MBEDTLS_TLS1_3_SIG_ECDSA_SECP384R1_SHA384,
#endif /* MBEDTLS_SHA384_C && MBEDTLS_ECP_DP_SECP384R1_ENABLED */
#if defined(MBEDTLS_SHA512_C) && defined(MBEDTLS_ECP_DP_SECP521R1_ENABLED)
MBEDTLS_TLS1_3_SIG_ECDSA_SECP521R1_SHA512,
#endif /* MBEDTLS_SHA512_C && MBEDTLS_ECP_DP_SECP521R1_ENABLED */
#endif /* MBEDTLS_ECDSA_C */
/* RSA algorithms */
#if defined(MBEDTLS_X509_RSASSA_PSS_SUPPORT)
MBEDTLS_TLS1_3_SIG_RSA_PSS_RSAE_SHA256,
#endif
MBEDTLS_TLS1_3_SIG_RSA_PKCS1_SHA256,
#endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
#if defined(MBEDTLS_SSL_PROTO_TLS1_2)
#if defined(MBEDTLS_SHA512_C)
MBEDTLS_SSL_SIG_ALG( MBEDTLS_SSL_HASH_SHA512 )
#endif
@ -6520,39 +6509,29 @@ static uint16_t ssl_preset_default_sig_algs[] = {
#if defined(MBEDTLS_SHA256_C)
MBEDTLS_SSL_SIG_ALG( MBEDTLS_SSL_HASH_SHA256 )
#endif
#endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
MBEDTLS_TLS1_3_SIG_NONE
};
/* NOTICE: Make sure there are no duplicated entries when add new signature
* algorithms into ssl_preset_suiteb_sig_algs
*/
static uint16_t ssl_preset_suiteb_sig_algs[] = {
#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
/* ECDSA algorithms */
#if defined(MBEDTLS_ECDSA_C)
#if defined(MBEDTLS_SHA256_C) && defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED)
MBEDTLS_TLS1_3_SIG_ECDSA_SECP256R1_SHA256,
#endif /* MBEDTLS_SHA256_C && MBEDTLS_ECP_DP_SECP256R1_ENABLED */
#if defined(MBEDTLS_SHA384_C) && defined(MBEDTLS_ECP_DP_SECP384R1_ENABLED)
MBEDTLS_TLS1_3_SIG_ECDSA_SECP384R1_SHA384,
#endif /* MBEDTLS_SHA384_C && MBEDTLS_ECP_DP_SECP384R1_ENABLED */
#endif /* MBEDTLS_ECDSA_C */
/* RSA algorithms */
#if defined(MBEDTLS_X509_RSASSA_PSS_SUPPORT)
MBEDTLS_TLS1_3_SIG_RSA_PSS_RSAE_SHA256,
#endif
MBEDTLS_TLS1_3_SIG_RSA_PKCS1_SHA256,
#endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
#if defined(MBEDTLS_SSL_PROTO_TLS1_2)
#if defined(MBEDTLS_SHA384_C)
MBEDTLS_SSL_SIG_ALG( MBEDTLS_SSL_HASH_SHA384 )
#endif
#if defined(MBEDTLS_SHA256_C)
MBEDTLS_SSL_SIG_ALG( MBEDTLS_SSL_HASH_SHA256 )
#endif
#endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
MBEDTLS_TLS1_3_SIG_NONE
};
#endif
#endif /* MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED */
static uint16_t ssl_preset_suiteb_groups[] = {
#if defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED)
@ -6564,6 +6543,31 @@ static uint16_t ssl_preset_suiteb_groups[] = {
MBEDTLS_SSL_IANA_TLS_GROUP_NONE
};
#if defined(MBEDTLS_DEBUG_C) && defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED)
/* Function for checking `ssl_preset_*_sig_algs` to make sure there are no duplicated
* signature algorithm entries */
static int ssl_array_has_duplicated_entries( uint16_t * array )
{
size_t i, j;
int ret = 0;
for( i = 1; array[i] != MBEDTLS_TLS1_3_SIG_NONE ; i++ )
{
for( j = 0 ; j < i; j++ )
{
if( array[i] == array[j] )
{
mbedtls_printf( " entry(%04x,%" MBEDTLS_PRINTF_SIZET
") is duplicated at %" MBEDTLS_PRINTF_SIZET "\n",
array[i], j, i );
ret = -1;
}
}
}
return( ret );
}
#endif /* MBEDTLS_DEBUG_C && MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED */
/*
* Load default in mbedtls_ssl_config
*/
@ -6574,6 +6578,20 @@ int mbedtls_ssl_config_defaults( mbedtls_ssl_config *conf,
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
#endif
#if defined(MBEDTLS_DEBUG_C) && defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED)
if( ssl_array_has_duplicated_entries( ssl_preset_suiteb_sig_algs ) )
{
mbedtls_printf( "ssl_preset_suiteb_sig_algs has duplicated entries\n" );
return( MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED );
}
if( ssl_array_has_duplicated_entries( ssl_preset_default_sig_algs ) )
{
mbedtls_printf( "ssl_preset_default_sig_algs has duplicated entries\n" );
return( MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED );
}
#endif /* MBEDTLS_DEBUG_C && MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED */
/* Use the functions here so that they are covered in tests,
* but otherwise access member directly for efficiency */
mbedtls_ssl_conf_endpoint( conf, endpoint );