Factor repeated preprocessor condition to a macro

The condition is a complex and repeated a few times. There were already some
inconsistencies in the repetitions as some of them forgot about DES.

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
This commit is contained in:
Manuel Pégourié-Gonnard 2020-07-28 09:55:33 +02:00
parent a586099fd3
commit a60d0f2acb
2 changed files with 14 additions and 10 deletions

View File

@ -152,6 +152,15 @@
#define MBEDTLS_SSL_RETRANS_WAITING 2 #define MBEDTLS_SSL_RETRANS_WAITING 2
#define MBEDTLS_SSL_RETRANS_FINISHED 3 #define MBEDTLS_SSL_RETRANS_FINISHED 3
/* For CBC-specific encrypt/decrypt code */
#if defined(MBEDTLS_CIPHER_MODE_CBC) && \
( defined(MBEDTLS_AES_C) || \
defined(MBEDTLS_CAMELLIA_C) || \
defined(MBEDTLS_ARIA_C) || \
defined(MBEDTLS_DES_C) )
#define MBEDTLS_SSL_SOME_SUITES_USE_CBC
#endif
/* /*
* Allow extra bytes for record, authentication and encryption overhead: * Allow extra bytes for record, authentication and encryption overhead:
* counter (8) + header (5) + IV(16) + MAC (16-48) + padding (0-256) * counter (8) + header (5) + IV(16) + MAC (16-48) + padding (0-256)

View File

@ -1433,8 +1433,7 @@ static void ssl_mac( mbedtls_md_context_t *md_ctx,
#endif /* MBEDTLS_SSL_PROTO_SSL3 */ #endif /* MBEDTLS_SSL_PROTO_SSL3 */
#if defined(MBEDTLS_ARC4_C) || defined(MBEDTLS_CIPHER_NULL_CIPHER) || \ #if defined(MBEDTLS_ARC4_C) || defined(MBEDTLS_CIPHER_NULL_CIPHER) || \
( defined(MBEDTLS_CIPHER_MODE_CBC) && \ defined(MBEDTLS_SSL_SOME_SUITES_USE_CBC)
( defined(MBEDTLS_AES_C) || defined(MBEDTLS_CAMELLIA_C) || defined(MBEDTLS_ARIA_C)) )
#define SSL_SOME_MODES_USE_MAC #define SSL_SOME_MODES_USE_MAC
#endif #endif
@ -1669,8 +1668,7 @@ static int ssl_encrypt_buf( mbedtls_ssl_context *ssl )
} }
else else
#endif /* MBEDTLS_GCM_C || MBEDTLS_CCM_C */ #endif /* MBEDTLS_GCM_C || MBEDTLS_CCM_C */
#if defined(MBEDTLS_CIPHER_MODE_CBC) && \ #if defined(MBEDTLS_SSL_SOME_SUITES_USE_CBC)
( defined(MBEDTLS_AES_C) || defined(MBEDTLS_CAMELLIA_C) || defined(MBEDTLS_ARIA_C) )
if( mode == MBEDTLS_MODE_CBC ) if( mode == MBEDTLS_MODE_CBC )
{ {
int ret; int ret;
@ -1789,8 +1787,7 @@ static int ssl_encrypt_buf( mbedtls_ssl_context *ssl )
#endif /* MBEDTLS_SSL_ENCRYPT_THEN_MAC */ #endif /* MBEDTLS_SSL_ENCRYPT_THEN_MAC */
} }
else else
#endif /* MBEDTLS_CIPHER_MODE_CBC && #endif /* MBEDTLS_SSL_SOME_SUITES_USE_CBC */
( MBEDTLS_AES_C || MBEDTLS_CAMELLIA_C || MBEDTLS_ARIA_C ) */
{ {
MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) ); MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
return( MBEDTLS_ERR_SSL_INTERNAL_ERROR ); return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
@ -1962,8 +1959,7 @@ static int ssl_decrypt_buf( mbedtls_ssl_context *ssl )
} }
else else
#endif /* MBEDTLS_GCM_C || MBEDTLS_CCM_C */ #endif /* MBEDTLS_GCM_C || MBEDTLS_CCM_C */
#if defined(MBEDTLS_CIPHER_MODE_CBC) && \ #if defined(MBEDTLS_SSL_SOME_SUITES_USE_CBC)
( defined(MBEDTLS_AES_C) || defined(MBEDTLS_CAMELLIA_C) || defined(MBEDTLS_ARIA_C) )
if( mode == MBEDTLS_MODE_CBC ) if( mode == MBEDTLS_MODE_CBC )
{ {
/* /*
@ -2176,8 +2172,7 @@ static int ssl_decrypt_buf( mbedtls_ssl_context *ssl )
ssl->in_msglen -= padlen; ssl->in_msglen -= padlen;
} }
else else
#endif /* MBEDTLS_CIPHER_MODE_CBC && #endif /* MBEDTLS_SSL_SOME_SUITES_USE_CBC) */
( MBEDTLS_AES_C || MBEDTLS_CAMELLIA_C || MBEDTLS_ARIA_C ) */
{ {
MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) ); MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
return( MBEDTLS_ERR_SSL_INTERNAL_ERROR ); return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );