107 lines
2.8 KiB
C
107 lines
2.8 KiB
C
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/*
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* Public Key abstraction layer: wrapper functions
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*
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* Copyright (C) 2006-2013, Brainspark B.V.
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*
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* This file is part of PolarSSL (http://www.polarssl.org)
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* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
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*
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "polarssl/config.h"
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#include "polarssl/pk_wrap.h"
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#if defined(POLARSSL_RSA_C)
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#include "polarssl/rsa.h"
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#endif
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#if defined(POLARSSL_ECP_C)
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#include "polarssl/ecp.h"
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#endif
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#if defined(POLARSSL_ECDSA_C)
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#include "polarssl/ecdsa.h"
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#endif
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#if defined(POLARSSL_RSA_C)
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static int rsa_verify_wrap( void *ctx,
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const unsigned char *hash, const md_info_t *md_info,
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const unsigned char *sig, size_t sig_len )
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{
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((void) sig_len);
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return( rsa_pkcs1_verify( (rsa_context *) ctx,
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RSA_PUBLIC, md_info->type, 0, hash, sig ) );
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}
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const pk_info_t rsa_info = {
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POLARSSL_PK_RSA,
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rsa_verify_wrap,
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};
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#endif /* POLARSSL_RSA_C */
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#if defined(POLARSSL_ECDSA_C)
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int ecdsa_verify_wrap( void *ctx,
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const unsigned char *hash, const md_info_t *md_info,
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const unsigned char *sig, size_t sig_len )
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{
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return( ecdsa_read_signature( (ecdsa_context *) ctx,
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hash, md_info->size, sig, sig_len ) );
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}
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const pk_info_t ecdsa_info = {
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POLARSSL_PK_ECDSA,
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ecdsa_verify_wrap,
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};
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#endif /* POLARSSL_ECDSA_C */
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#if defined(POLARSSL_ECP_C)
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static int eckey_verify_wrap( void *ctx,
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const unsigned char *hash, const md_info_t *md_info,
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const unsigned char *sig, size_t sig_len )
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{
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#if !defined(POLARSSL_ECDSA_C)
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((void) ctx);
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((void) hash);
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((void) md_info);
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((void) sig);
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((void) sig_len);
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return( POLARSSL_ERR_PK_TYPE_MISMATCH );
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#else
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int ret;
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ecdsa_context ecdsa;
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ecdsa_init( &ecdsa );
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ret = ecdsa_from_keypair( &ecdsa, ctx ) ||
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ecdsa_verify_wrap( &ecdsa, hash, md_info, sig, sig_len );
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ecdsa_free( &ecdsa );
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return( ret );
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#endif /* POLARSSL_ECDSA_C */
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}
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const pk_info_t eckey_info = {
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POLARSSL_PK_ECKEY,
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eckey_verify_wrap,
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};
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#endif /* POLARSSL_ECP_C */
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