Commit 12e0ed91 authored by Manuel Pégourié-Gonnard's avatar Manuel Pégourié-Gonnard
Browse files

Add pk_context and associated functions

parent d4ec21dd
......@@ -37,11 +37,40 @@ extern "C" {
typedef enum {
POLARSSL_PK_NONE=0,
POLARSSL_PK_RSA,
POLARSSL_PK_ECDSA,
POLARSSL_PK_ECKEY,
POLARSSL_PK_ECKEY_DH,
} pk_type_t;
/**
* \brief Public key container
*/
typedef struct
{
pk_type_t type; /**< Public key type */
void * data; /**< Public key data */
} pk_context;
/**
* \brief Initialize a pk_context (as NONE)
*/
void pk_init( pk_context *ctx );
/**
* \brief Free a pk_context
*/
void pk_free( pk_context *ctx );
/**
* \brief Set a pk_context to a given type
*
* \param ctx Context to initialize
* \param type Type of key
*
* \return O on success, -1 on memory allocation error
* TODO: use appropriate error constant
*/
int pk_set_type( pk_context *ctx, pk_type_t type );
#ifdef __cplusplus
}
#endif
......
......@@ -39,6 +39,7 @@ set(src
pkcs5.c
pkcs11.c
pkcs12.c
pk.c
rsa.c
sha1.c
sha256.c
......
......@@ -49,6 +49,7 @@ OBJS= aes.o arc4.o asn1parse.o \
oid.o \
padlock.o pbkdf2.o pem.o \
pkcs5.o pkcs11.o pkcs12.o \
pk.o \
rsa.o sha1.o sha256.o \
sha512.o ssl_cache.o ssl_cli.o \
ssl_srv.o ssl_ciphersuites.o \
......
/*
* 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;
}
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( -1 );
memset( ctx->data, 0, size );
ctx->type = type;
return( 0 );
}
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