yuzu/mbedtls
1
0
Fork 0
mirror of https://github.com/yuzu-emu/mbedtls.git synced 2025-02-02 06:11:08 +00:00
Code Issues Packages Projects Releases Wiki Activity

Improve documentation of (D)TLSInnerPlaintext handling

Browse source 
Signed-off-by: Hanno Becker <hanno.becker@arm.com>
This commit is contained in:
Hanno Becker 2020-05-20 13:58:58 +01:00
parent 3c358d4e12
commit 9231340d71
1 changed files with 12 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

19
library/ssl_msg.c
View file

@ -578,16 +578,21 @@ int mbedtls_ssl_encrypt_buf( mbedtls_ssl_context *ssl,
return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA ); return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA );
} }
/* The following two code paths implement the (D)TLSInnerPlaintext
* structure present in TLS 1.3 and DTLS 1.2 + CID.
*
* See ssl_build_inner_plaintext() for more information.
*
* Note that this changes `rec->data_len`, and hence
* `post_avail` needs to be recalculated afterwards.
*
* Note also that the two code paths cannot occur simultaneously
* since they apply to different versions of the protocol. There
* is hence no risk of double-addition of the inner plaintext.
*/
#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL) #if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
if( transform->minor_ver == MBEDTLS_SSL_MINOR_VERSION_4 ) if( transform->minor_ver == MBEDTLS_SSL_MINOR_VERSION_4 )
{ {
/*
* Wrap plaintext into TLSInnerPlaintext structure.
* See ssl_build_inner_plaintext() for more information.
*
* Note that this changes `rec->data_len`, and hence
* `post_avail` needs to be recalculated afterwards.
*/
if( ssl_build_inner_plaintext( data, if( ssl_build_inner_plaintext( data,
&rec->data_len, &rec->data_len,
post_avail, post_avail,