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

- Extra sanity check for input added

Browse source
This commit is contained in:
Paul Bakker 2012-09-16 15:07:49 +00:00
parent 0c93d126bc
commit b5b20f19e7
1 changed files with 6 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
library/dhm.c
View file

@ -128,6 +128,9 @@ int dhm_make_params( dhm_context *ctx, int x_size,
size_t n1, n2, n3;
unsigned char *p;
if( mpi_cmp_int( &ctx->P, 0 ) == 0 )
return( POLARSSL_ERR_DHM_BAD_INPUT_DATA );
/*
* Generate X as large as possible ( < P )
*/
@ -211,6 +214,9 @@ int dhm_make_public( dhm_context *ctx, int x_size,
if( ctx == NULL || olen < 1 || olen > ctx->len )
return( POLARSSL_ERR_DHM_BAD_INPUT_DATA );
if( mpi_cmp_int( &ctx->P, 0 ) == 0 )
return( POLARSSL_ERR_DHM_BAD_INPUT_DATA );
/*
* generate X and calculate GX = G^X mod P
*/