yuzu-emu/mbedtls
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Use mbedtls_xor in CTR_DRBG

Browse source 
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman 2022-11-22 16:40:58 +00:00
parent 8c0ff81ce7
commit ffb5499988
1 changed files with 1 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
library/ctr_drbg.c
View file

@ -174,8 +174,7 @@ static int block_cipher_df( unsigned char *output,
while( use_len > 0 )
{
for( i = 0; i < MBEDTLS_CTR_DRBG_BLOCKSIZE; i++ )
chain[i] ^= p[i];
mbedtls_xor( chain, chain, p, MBEDTLS_CTR_DRBG_BLOCKSIZE );
p += MBEDTLS_CTR_DRBG_BLOCKSIZE;
use_len -= ( use_len >= MBEDTLS_CTR_DRBG_BLOCKSIZE ) ?
MBEDTLS_CTR_DRBG_BLOCKSIZE : use_len;