1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/ossrv/ssl/libcrypto/src/crypto/dsa/dsa_asn1.c Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,147 @@
1.4 +/* dsa_asn1.c */
1.5 +/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
1.6 + * project 2000.
1.7 + */
1.8 +/* ====================================================================
1.9 + * Copyright (c) 2000 The OpenSSL Project. All rights reserved.
1.10 + *
1.11 + * Redistribution and use in source and binary forms, with or without
1.12 + * modification, are permitted provided that the following conditions
1.13 + * are met:
1.14 + *
1.15 + * 1. Redistributions of source code must retain the above copyright
1.16 + * notice, this list of conditions and the following disclaimer.
1.17 + *
1.18 + * 2. Redistributions in binary form must reproduce the above copyright
1.19 + * notice, this list of conditions and the following disclaimer in
1.20 + * the documentation and/or other materials provided with the
1.21 + * distribution.
1.22 + *
1.23 + * 3. All advertising materials mentioning features or use of this
1.24 + * software must display the following acknowledgment:
1.25 + * "This product includes software developed by the OpenSSL Project
1.26 + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
1.27 + *
1.28 + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
1.29 + * endorse or promote products derived from this software without
1.30 + * prior written permission. For written permission, please contact
1.31 + * licensing@OpenSSL.org.
1.32 + *
1.33 + * 5. Products derived from this software may not be called "OpenSSL"
1.34 + * nor may "OpenSSL" appear in their names without prior written
1.35 + * permission of the OpenSSL Project.
1.36 + *
1.37 + * 6. Redistributions of any form whatsoever must retain the following
1.38 + * acknowledgment:
1.39 + * "This product includes software developed by the OpenSSL Project
1.40 + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
1.41 + *
1.42 + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
1.43 + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1.44 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
1.45 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
1.46 + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
1.47 + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
1.48 + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
1.49 + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
1.50 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
1.51 + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
1.52 + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
1.53 + * OF THE POSSIBILITY OF SUCH DAMAGE.
1.54 + * ====================================================================
1.55 + *
1.56 + * This product includes cryptographic software written by Eric Young
1.57 + * (eay@cryptsoft.com). This product includes software written by Tim
1.58 + * Hudson (tjh@cryptsoft.com).
1.59 + *
1.60 + */
1.61 +
1.62 +#include <stdio.h>
1.63 +#include "cryptlib.h"
1.64 +#include <openssl/dsa.h>
1.65 +#include <openssl/asn1.h>
1.66 +#include <openssl/asn1t.h>
1.67 +
1.68 +/* Override the default new methods */
1.69 +static int sig_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it)
1.70 +{
1.71 + if(operation == ASN1_OP_NEW_PRE) {
1.72 + DSA_SIG *sig;
1.73 + sig = OPENSSL_malloc(sizeof(DSA_SIG));
1.74 +#ifdef SYMBIAN
1.75 + if(sig==NULL)
1.76 + {
1.77 + DSAerr(DSA_F_SIG_CB, ERR_R_MALLOC_FAILURE);
1.78 + return 0;
1.79 + }
1.80 +#endif
1.81 + sig->r = NULL;
1.82 + sig->s = NULL;
1.83 + *pval = (ASN1_VALUE *)sig;
1.84 + if(sig) return 2;
1.85 + DSAerr(DSA_F_SIG_CB, ERR_R_MALLOC_FAILURE);
1.86 + return 0;
1.87 + }
1.88 + return 1;
1.89 +}
1.90 +
1.91 +ASN1_SEQUENCE_cb(DSA_SIG, sig_cb) = {
1.92 + ASN1_SIMPLE(DSA_SIG, r, CBIGNUM),
1.93 + ASN1_SIMPLE(DSA_SIG, s, CBIGNUM)
1.94 +} ASN1_SEQUENCE_END_cb(DSA_SIG, DSA_SIG)
1.95 +
1.96 +IMPLEMENT_ASN1_FUNCTIONS_const(DSA_SIG)
1.97 +
1.98 +/* Override the default free and new methods */
1.99 +static int dsa_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it)
1.100 +{
1.101 + if(operation == ASN1_OP_NEW_PRE) {
1.102 + *pval = (ASN1_VALUE *)DSA_new();
1.103 + if(*pval) return 2;
1.104 + return 0;
1.105 + } else if(operation == ASN1_OP_FREE_PRE) {
1.106 + DSA_free((DSA *)*pval);
1.107 + *pval = NULL;
1.108 + return 2;
1.109 + }
1.110 + return 1;
1.111 +}
1.112 +
1.113 +ASN1_SEQUENCE_cb(DSAPrivateKey, dsa_cb) = {
1.114 + ASN1_SIMPLE(DSA, version, LONG),
1.115 + ASN1_SIMPLE(DSA, p, BIGNUM),
1.116 + ASN1_SIMPLE(DSA, q, BIGNUM),
1.117 + ASN1_SIMPLE(DSA, g, BIGNUM),
1.118 + ASN1_SIMPLE(DSA, pub_key, BIGNUM),
1.119 + ASN1_SIMPLE(DSA, priv_key, BIGNUM)
1.120 +} ASN1_SEQUENCE_END_cb(DSA, DSAPrivateKey)
1.121 +
1.122 +IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(DSA, DSAPrivateKey, DSAPrivateKey)
1.123 +
1.124 +ASN1_SEQUENCE_cb(DSAparams, dsa_cb) = {
1.125 + ASN1_SIMPLE(DSA, p, BIGNUM),
1.126 + ASN1_SIMPLE(DSA, q, BIGNUM),
1.127 + ASN1_SIMPLE(DSA, g, BIGNUM),
1.128 +} ASN1_SEQUENCE_END_cb(DSA, DSAparams)
1.129 +
1.130 +IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(DSA, DSAparams, DSAparams)
1.131 +
1.132 +/* DSA public key is a bit trickier... its effectively a CHOICE type
1.133 + * decided by a field called write_params which can either write out
1.134 + * just the public key as an INTEGER or the parameters and public key
1.135 + * in a SEQUENCE
1.136 + */
1.137 +
1.138 +ASN1_SEQUENCE(dsa_pub_internal) = {
1.139 + ASN1_SIMPLE(DSA, pub_key, BIGNUM),
1.140 + ASN1_SIMPLE(DSA, p, BIGNUM),
1.141 + ASN1_SIMPLE(DSA, q, BIGNUM),
1.142 + ASN1_SIMPLE(DSA, g, BIGNUM)
1.143 +} ASN1_SEQUENCE_END_name(DSA, dsa_pub_internal)
1.144 +
1.145 +ASN1_CHOICE_cb(DSAPublicKey, dsa_cb) = {
1.146 + ASN1_SIMPLE(DSA, pub_key, BIGNUM),
1.147 + ASN1_EX_COMBINE(0, 0, dsa_pub_internal)
1.148 +} ASN1_CHOICE_END_cb(DSA, DSAPublicKey, write_params)
1.149 +
1.150 +IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(DSA, DSAPublicKey, DSAPublicKey)