Files
mars-matrixssl/crypto/pubkey/dh_import_priv.c
Janne Johansson 69b5f2c6c3 MatrixSSL 4.5.1
2022-07-29 12:30:12 +03:00

77 lines
2.6 KiB
C

/**
* @file dh_import_priv.c
* @version $Format:%h%d$
*
* Diffie-Hellman: Import private key.
*/
/*
* Copyright (c) 2013-2018 Rambus Inc.
* Copyright (c) PeerSec Networks, 2002-2011
* All Rights Reserved
*
* The latest version of this code is available at http://www.matrixssl.org
*
* This software is open source; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This General Public License does NOT permit incorporating this software
* into proprietary programs. If you are unable to comply with the GPL, a
* commercial license for this software may be purchased from Rambus at
* http://www.rambus.com/
*
* This program is distributed in WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
* http://www.gnu.org/copyleft/gpl.html
*/
/******************************************************************************/
#include "../cryptoImpl.h"
#if defined USE_MATRIX_DH || defined USE_CL_DH
/******************************************************************************/
/**
Import a private DH key in raw (wire) format to a psDhKey_t struct.
This function will not touch public DH key is there is one in the struct.
This function is intended to support KAT tests for Diffie-Hellman.
@param pool Memory pool
@param[in] in Pointer to buffer containing raw public DH key
@param[in] inlen Length in bytes of 'in'
@param[out] key Pointer to allocated key to be initialized with raw
DH value from 'in'.
@return < on failure
*/
int32_t psDhImportPrivKey(psPool_t *pool,
const unsigned char *in, psSize_t inlen,
psDhKey_t *key)
{
int32_t rc;
Memset(&key->priv, 0, sizeof(key->priv));
if ((rc = pstm_init_for_read_unsigned_bin(pool, &key->priv, inlen)) < 0)
{
return rc;
}
if ((rc = pstm_read_unsigned_bin(&key->priv, in, inlen)) < 0)
{
pstm_clear(&key->priv);
return rc;
}
key->type = PS_PRIVKEY;
return PS_SUCCESS;
}
#endif /* USE_MATRIX_DH || USE_CL_DH */
/******************************************************************************/