lib/mbedtls
1
0
Fork 0
mirror of https://github.com/Mbed-TLS/mbedtls.git synced 2025-08-08 17:42:09 +03:00
Code Activity

Work around compressed EC public key in some cases

Browse Source
This commit is contained in:
Manuel Pégourié-Gonnard
2014-03-19 16:18:38 +01:00
parent eab20d2a9c
commit 5246ee5c59
3 changed files with 46 additions and 50 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
library/ecp.c
View File

@@ -478,7 +478,8 @@ cleanup:
* Import a point from unsigned binary data (SEC1 2.3.4)
*/
int ecp_point_read_binary( const ecp_group *grp, ecp_point *pt,
const unsigned char *buf, size_t ilen ) {
const unsigned char *buf, size_t ilen )
{
int ret;
size_t plen;
@@ -487,7 +488,10 @@ int ecp_point_read_binary( const ecp_group *grp, ecp_point *pt,
plen = mpi_size( &grp->P );
if( ilen != 2 * plen + 1 || buf[0] != 0x04 )
if( buf[0] != 0x04 )
return( POLARSSL_ERR_ECP_FEATURE_UNAVAILABLE );
if( ilen != 2 * plen + 1 )
return( POLARSSL_ERR_ECP_BAD_INPUT_DATA );
MPI_CHK( mpi_read_binary( &pt->X, buf + 1, plen ) );