Remove restriction on value of MBEDTLS_SSL_CID_PADDING_GRANULARITY

This commit is contained in:
Hanno Becker 2019-05-13 15:31:17 +01:00
parent ddf775a97f
commit b9ec44fcf6
2 changed files with 5 additions and 4 deletions

View file

@ -3365,7 +3365,8 @@
* Note: A value of \c 1 means that no padding will be used
* for outgoing records.
*
* The value MUST be a power of 2.
* Note: On systems lacking division instructions,
* a power of two should be preferred.
*
*/
//#define MBEDTLS_SSL_CID_PADDING_GRANULARITY 16

View file

@ -2013,9 +2013,9 @@ static int ssl_cid_build_inner_plaintext( unsigned char *content,
uint8_t rec_type )
{
size_t len = *content_size;
/* MBEDTLS_SSL_CID_PADDING_GRANULARITY must be a power of 2. */
size_t pad = ~len & ( MBEDTLS_SSL_CID_PADDING_GRANULARITY - 1 );
size_t pad = ( MBEDTLS_SSL_CID_PADDING_GRANULARITY -
( len + 1 ) % MBEDTLS_SSL_CID_PADDING_GRANULARITY ) %
MBEDTLS_SSL_CID_PADDING_GRANULARITY;
/* Write real content type */
if( remaining == 0 )