Fix magic constant in previous commit
@@ -1203,11 +1203,12 @@ int mbedtls_ssl_psk_derive_premaster( mbedtls_ssl_context *ssl, mbedtls_key_exch
/*
* SSLv3.0 MAC functions
*/
+#define SSL_MAC_MAX_BYTES 20 /* MD-5 or SHA-1 */
static void ssl_mac( mbedtls_md_context_t *md_ctx,
const unsigned char *secret,
const unsigned char *buf, size_t len,
const unsigned char *ctr, int type,
- unsigned char out[20] )
+ unsigned char out[SSL_MAC_MAX_BYTES] )
{
unsigned char header[11];
unsigned char padding[48];
@@ -1284,7 +1285,7 @@ static int ssl_encrypt_buf( mbedtls_ssl_context *ssl )
#if defined(MBEDTLS_SSL_PROTO_SSL3)
if( ssl->minor_ver == MBEDTLS_SSL_MINOR_VERSION_0 )
{
- unsigned char mac[20]; /* SHA-1 at most */
+ unsigned char mac[SSL_MAC_MAX_BYTES];
ssl_mac( &ssl->transform_out->md_ctx_enc,
ssl->transform_out->mac_enc,
