Files
mars-matrixssl/crypto/keyformat/pem_decode_file.c
Janne Johansson d0a51a7e43 MatrixSSL 4.0.0
2018-09-13 12:17:26 +03:00

86 lines
2.7 KiB
C

/**
* @file pem_decode_file.c
* @version $Format:%h%d$
*
* Functions for PEM file decoding. For in-memory decoding, see
* pem_decode_mem.c
*/
/*
* Copyright (c) 2013-2018 INSIDE Secure Corporation
* 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 INSIDE at
* http://www.insidesecure.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_PEM_DECODE) && defined(MATRIX_USE_FILE_SYSTEM)
int32_t psPemFileToDer(psPool_t *pool,
const char *fileName,
const char *password,
psPemType_t expectedPemType,
unsigned char **derOut,
psSizeL_t *derOutLen)
{
unsigned char *pemBuf;
psSizeL_t pemBufLen;
psRes_t rc;
if (fileName == NULL)
{
psTraceCrypto("psPemFileToDer: no fileName passed in\n");
return PS_ARG_FAIL;
}
rc = psGetFileBuf(pool,
fileName,
&pemBuf,
&pemBufLen);
if (rc < PS_SUCCESS)
{
psTraceCrypto("psPemFileToDer: psGetFileBuf failed\n");
return rc;
}
if (!psPemCheckOk(pemBuf,
pemBufLen,
expectedPemType,
NULL,
NULL,
NULL))
{
psTraceCrypto("psPemFileToDer: file not in expected PEM format\n");
return PS_FAILURE;
}
rc = psPemDecode(pool,
pemBuf,
pemBufLen,
password,
derOut,
derOutLen);
psFree(pemBuf, pool);
return rc;
}
# endif /* USE_PEM_DECODE && MATRIX_USE_FILE_SYSTEM */