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Add missing configuration guards to SSL record protection helpers

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Signed-off-by: Hanno Becker <hanno.becker@arm.com>
This commit is contained in:
Hanno Becker 2020-05-28 16:27:07 +01:00
parent 13996927cb
commit 67a37db2d2
1 changed files with 4 additions and 1 deletions
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5
library/ssl_msg.c
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@ -541,13 +541,15 @@ static void ssl_mac( mbedtls_md_context_t *md_ctx,
} }
#endif /* MBEDTLS_SSL_PROTO_SSL3 */ #endif /* MBEDTLS_SSL_PROTO_SSL3 */
#if defined(MBEDTLS_GCM_C) || \
defined(MBEDTLS_CCM_C) || \
defined(MBEDTLS_CHACHAPOLY_C)
static int ssl_transform_aead_dynamic_iv_is_explicit( static int ssl_transform_aead_dynamic_iv_is_explicit(
mbedtls_ssl_transform const *transform ) mbedtls_ssl_transform const *transform )
{ {
return( transform->ivlen != transform->fixed_ivlen ); return( transform->ivlen != transform->fixed_ivlen );
} }
/* Compute IV := ( fixed_iv || 0 ) XOR ( 0 || dynamic_IV ) /* Compute IV := ( fixed_iv || 0 ) XOR ( 0 || dynamic_IV )
* *
* Concretely, this occurs in two variants: * Concretely, this occurs in two variants:
@ -575,6 +577,7 @@ static void ssl_build_record_nonce( unsigned char *dst_iv,
for( i = 0; i < dynamic_iv_len; i++ ) for( i = 0; i < dynamic_iv_len; i++ )
dst_iv[i] ^= dynamic_iv[i]; dst_iv[i] ^= dynamic_iv[i];
} }
#endif /* MBEDTLS_GCM_C || MBEDTLS_CCM_C || MBEDTLS_CHACHAPOLY_C */
int mbedtls_ssl_encrypt_buf( mbedtls_ssl_context *ssl, int mbedtls_ssl_encrypt_buf( mbedtls_ssl_context *ssl,
mbedtls_ssl_transform *transform, mbedtls_ssl_transform *transform,