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Skip psa encryption/decryption for null cipher

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Signed-off-by: Przemyslaw Stekiel <przemyslaw.stekiel@mobica.com>
This commit is contained in:
Przemyslaw Stekiel 2022-01-17 16:20:10 +01:00
parent ce09e7d868
commit d4eab57933
1 changed files with 50 additions and 38 deletions
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12
library/ssl_msg.c
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@ -724,6 +724,9 @@ int mbedtls_ssl_encrypt_buf( mbedtls_ssl_context *ssl,
rec->data_len, 0 ) );
#if defined(MBEDTLS_USE_PSA_CRYPTO)
/* Skip psa encryption for null cipher */
if ( transform->psa_alg != MBEDTLS_SSL_NULL_CIPHER )
{
status = psa_cipher_encrypt_setup( &cipher_op,
transform->psa_key_enc, transform->psa_alg );
@ -750,6 +753,9 @@ int mbedtls_ssl_encrypt_buf( mbedtls_ssl_context *ssl,
return( psa_status_to_mbedtls( status ) );
olen += part_len;
} else {
olen = rec->data_len;
}
#else
if( ( ret = mbedtls_cipher_crypt( &transform->cipher_ctx_enc,
transform->iv_enc, transform->ivlen,
@ -1135,6 +1141,9 @@ int mbedtls_ssl_decrypt_buf( mbedtls_ssl_context const *ssl,
#endif /* MBEDTLS_USE_PSA_CRYPTO */
#if defined(MBEDTLS_USE_PSA_CRYPTO)
/* Skip psa decryption for null cipher */
if ( transform->psa_alg != MBEDTLS_SSL_NULL_CIPHER )
{
status = psa_cipher_decrypt_setup( &cipher_op,
transform->psa_key_dec, transform->psa_alg );
@ -1161,6 +1170,9 @@ int mbedtls_ssl_decrypt_buf( mbedtls_ssl_context const *ssl,
return( psa_status_to_mbedtls( status ) );
olen += part_len;
} else {
olen = rec->data_len;
}
#else
if( ( ret = mbedtls_cipher_crypt( &transform->cipher_ctx_dec,