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Remove non-PSA code in mbedtls_ssl_tls13_generate_handshake_keys/mbedtls_ssl_tls13_generate_application_keys

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Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
This commit is contained in:
Neil Armstrong 2022-05-17 09:11:45 +02:00
parent 93617245c3
commit e3b0b8ab67
1 changed files with 0 additions and 21 deletions
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21
library/ssl_tls13_keys.c
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@ -1203,15 +1203,11 @@ int mbedtls_ssl_tls13_generate_handshake_keys( mbedtls_ssl_context *ssl,
unsigned char transcript[MBEDTLS_TLS1_3_MD_MAX_SIZE];
size_t transcript_len;
#if defined(MBEDTLS_USE_PSA_CRYPTO)
psa_key_type_t key_type;
psa_algorithm_t alg;
size_t key_bits;
size_t taglen;
psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
#else
mbedtls_cipher_info_t const *cipher_info;
#endif /* MBEDTLS_USE_PSA_CRYPTO */
size_t key_len, iv_len;
mbedtls_ssl_handshake_params *handshake = ssl->handshake;
@ -1220,7 +1216,6 @@ int mbedtls_ssl_tls13_generate_handshake_keys( mbedtls_ssl_context *ssl,
MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> mbedtls_ssl_tls13_generate_handshake_keys" ) );
#if defined(MBEDTLS_USE_PSA_CRYPTO)
if( ciphersuite_info->flags & MBEDTLS_CIPHERSUITE_SHORT_TAG )
taglen = 8;
else
@ -1241,11 +1236,6 @@ int mbedtls_ssl_tls13_generate_handshake_keys( mbedtls_ssl_context *ssl,
iv_len = 12;
else
iv_len = PSA_CIPHER_IV_LENGTH( key_type, alg );
#else
cipher_info = mbedtls_cipher_info_from_type( ciphersuite_info->cipher );
key_len = cipher_info->key_bitlen >> 3;
iv_len = cipher_info->iv_size;
#endif /* MBEDTLS_USE_PSA_CRYPTO */
md_type = ciphersuite_info->mac;
@ -1439,22 +1429,17 @@ int mbedtls_ssl_tls13_generate_application_keys(
size_t hash_len;
/* Variables relating to the cipher for the chosen ciphersuite. */
#if defined(MBEDTLS_USE_PSA_CRYPTO)
psa_key_type_t key_type;
psa_algorithm_t alg;
size_t key_bits;
size_t taglen;
psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
#else
mbedtls_cipher_info_t const *cipher_info;
#endif /* MBEDTLS_USE_PSA_CRYPTO */
size_t key_len, iv_len;
MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> derive application traffic keys" ) );
/* Extract basic information about hash and ciphersuite */
#if defined(MBEDTLS_USE_PSA_CRYPTO)
if( handshake->ciphersuite_info->flags & MBEDTLS_CIPHERSUITE_SHORT_TAG )
taglen = 8;
else
@ -1475,12 +1460,6 @@ int mbedtls_ssl_tls13_generate_application_keys(
iv_len = 12;
else
iv_len = PSA_CIPHER_IV_LENGTH( key_type, alg );
#else
cipher_info = mbedtls_cipher_info_from_type(
handshake->ciphersuite_info->cipher );
key_len = cipher_info->key_bitlen / 8;
iv_len = cipher_info->iv_size;
#endif /* MBEDTLS_USE_PSA_CRYPTO */
md_type = handshake->ciphersuite_info->mac;