yuzu-emu/mbedtls
1
0
Fork 0
mirror of https://github.com/yuzu-emu/mbedtls.git synced 2024-11-26 00:05:36 +01:00
Code Issues Packages Projects Releases Wiki Activity

Included tests for the overflow

Browse Source
This commit is contained in:
Janos Follath 2016-02-08 14:52:29 +00:00 committed by Simon Butcher
parent 5be92eae55
commit eddfe8f6f3
1 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
library/rsa.c
View File

@ -529,7 +529,8 @@ int mbedtls_rsa_rsaes_oaep_encrypt( mbedtls_rsa_context *ctx,
olen = ctx->len;
hlen = mbedtls_md_get_size( md_info );
if( olen < ilen + 2 * hlen + 2 )
// first comparison checks for overflow
if( ilen + 2 * hlen + 2 < ilen || olen < ilen + 2 * hlen + 2 )
return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
memset( output, 0, olen );
@ -594,8 +595,9 @@ int mbedtls_rsa_rsaes_pkcs1_v15_encrypt( mbedtls_rsa_context *ctx,
return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
olen = ctx->len;
if( olen < ilen + 11 )
// first comparison checks for overflow
if( ilen + 11 < ilen || olen < ilen + 11 )
return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
nb_pad = olen - 3 - ilen;