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Factor repeated condition to its own macro

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Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
This commit is contained in:
Manuel Pégourié-Gonnard 2020-07-28 11:35:39 +02:00
parent de02b580c8
commit 1e94128f30
3 changed files with 12 additions and 11 deletions
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14
include/mbedtls/ssl_internal.h
View file

@ -161,6 +161,13 @@
#define MBEDTLS_SSL_SOME_SUITES_USE_CBC
#endif
#if defined(MBEDTLS_SSL_SOME_SUITES_USE_CBC) && \
( defined(MBEDTLS_SSL_PROTO_TLS1) || \
defined(MBEDTLS_SSL_PROTO_TLS1_1) || \
defined(MBEDTLS_SSL_PROTO_TLS1_2) )
#define MBEDTLS_SSL_SOME_SUITES_USE_TLS_CBC
#endif
/*
* Allow extra bytes for record, authentication and encryption overhead:
* counter (8) + header (5) + IV(16) + MAC (16-48) + padding (0-256)
@ -852,10 +859,7 @@ int mbedtls_ssl_get_key_exchange_md_tls1_2( mbedtls_ssl_context *ssl,
#endif /* MBEDTLS_SSL_PROTO_TLS1 || MBEDTLS_SSL_PROTO_TLS1_1 || \
MBEDTLS_SSL_PROTO_TLS1_2 */
#if defined(MBEDTLS_SSL_SOME_SUITES_USE_CBC) && \
( defined(MBEDTLS_SSL_PROTO_TLS1) || \
defined(MBEDTLS_SSL_PROTO_TLS1_1) | \
defined(MBEDTLS_SSL_PROTO_TLS1_2) )
#if defined(MBEDTLS_SSL_SOME_SUITES_USE_TLS_CBC)
/** \brief Compute the HMAC of variable-length data with constant flow.
*
* This function computes the HMAC of the concatenation of \p add_data and \p
@ -894,7 +898,7 @@ int mbedtls_ssl_cf_hmac(
const unsigned char *data, size_t data_len_secret,
size_t min_data_len, size_t max_data_len,
unsigned char *output );
#endif /* MBEDTLS_SSL_SOME_SUITES_USE_CBC && TLS 1.0-1.2 */
#endif /* MBEDTLS_SSL_SOME_SUITES_USE_TLS_CBC */
#ifdef __cplusplus
}

7
library/ssl_tls.c
View file

@ -1805,10 +1805,7 @@ static int ssl_encrypt_buf( mbedtls_ssl_context *ssl )
return( 0 );
}
#if defined(MBEDTLS_SSL_SOME_SUITES_USE_CBC) && \
( defined(MBEDTLS_SSL_PROTO_TLS1) || \
defined(MBEDTLS_SSL_PROTO_TLS1_1) || \
defined(MBEDTLS_SSL_PROTO_TLS1_2) )
#if defined(MBEDTLS_SSL_SOME_SUITES_USE_TLS_CBC)
/*
* Constant-flow conditional memcpy:
* - if c1 == c2, equivalent to memcpy(dst, src, len),
@ -1918,7 +1915,7 @@ int mbedtls_ssl_cf_hmac(
mbedtls_md_free( &aux );
return( 0 );
}
#endif /* MBEDTLS_SSL_SOME_SUITES_USE_CBC && TLS 1.0-1.2 */
#endif /* MBEDTLS_SSL_SOME_SUITES_USE_TLS_CBC */
static int ssl_decrypt_buf( mbedtls_ssl_context *ssl )
{

2
tests/suites/test_suite_ssl.function
View file

@ -53,7 +53,7 @@ void ssl_set_hostname_twice( char *hostname0, char *hostname1 )
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_2 */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_SOME_SUITES_USE_TLS_CBC */
void ssl_cf_hmac( int hash )
{
/*