mirror of
https://github.com/yuzu-emu/mbedtls.git
synced 2024-11-22 17:35:38 +01:00
96 lines
2.3 KiB
C
96 lines
2.3 KiB
C
/*
|
|
* Public Key abstraction layer
|
|
*
|
|
* Copyright (C) 2006-2013, Brainspark B.V.
|
|
*
|
|
* This file is part of PolarSSL (http://www.polarssl.org)
|
|
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
|
|
*
|
|
* All rights reserved.
|
|
*
|
|
* This program is free software; 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 program is distributed in the hope that it will be useful,
|
|
* but 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.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#include "polarssl/config.h"
|
|
|
|
#include "polarssl/rsa.h"
|
|
#include "polarssl/ecp.h"
|
|
#include "polarssl/pk.h"
|
|
|
|
#include <stdlib.h>
|
|
|
|
/*
|
|
* Initialise a pk_context
|
|
*/
|
|
void pk_init( pk_context *ctx )
|
|
{
|
|
if( ctx == NULL )
|
|
return;
|
|
|
|
ctx->type = POLARSSL_PK_NONE;
|
|
ctx->data = NULL;
|
|
}
|
|
|
|
/*
|
|
* Free (the components of) a pk_context
|
|
*/
|
|
void pk_free( pk_context *ctx )
|
|
{
|
|
if( ctx == NULL )
|
|
return;
|
|
|
|
switch( ctx->type )
|
|
{
|
|
case POLARSSL_PK_NONE:
|
|
break;
|
|
|
|
case POLARSSL_PK_RSA:
|
|
rsa_free( ctx->data );
|
|
break;
|
|
|
|
case POLARSSL_PK_ECKEY:
|
|
case POLARSSL_PK_ECKEY_DH:
|
|
ecp_keypair_free( ctx->data );
|
|
break;
|
|
}
|
|
|
|
free( ctx-> data );
|
|
|
|
ctx->type = POLARSSL_PK_NONE;
|
|
ctx->data = NULL;
|
|
}
|
|
|
|
/*
|
|
* Set a pk_context to a given type
|
|
*/
|
|
int pk_set_type( pk_context *ctx, pk_type_t type )
|
|
{
|
|
size_t size = type == POLARSSL_PK_RSA ? sizeof( rsa_context )
|
|
: type == POLARSSL_PK_ECKEY ? sizeof( ecp_keypair )
|
|
: type == POLARSSL_PK_ECKEY_DH ? sizeof( ecp_keypair )
|
|
: 0;
|
|
|
|
if( size == 0 )
|
|
return( 0 );
|
|
|
|
if( ( ctx->data = malloc( size ) ) == NULL )
|
|
return( POLARSSL_ERR_PK_MALLOC_FAILED );
|
|
|
|
memset( ctx->data, 0, size );
|
|
ctx->type = type;
|
|
|
|
return( 0 );
|
|
}
|