2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
5 /* ====================================================================
6 * Copyright (c) 2000 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
61 #include <openssl/dsa.h>
62 #include <openssl/asn1.h>
63 #include <openssl/asn1t.h>
65 /* Override the default new methods */
66 static int sig_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it)
68 if(operation == ASN1_OP_NEW_PRE) {
70 sig = OPENSSL_malloc(sizeof(DSA_SIG));
74 DSAerr(DSA_F_SIG_CB, ERR_R_MALLOC_FAILURE);
80 *pval = (ASN1_VALUE *)sig;
82 DSAerr(DSA_F_SIG_CB, ERR_R_MALLOC_FAILURE);
88 ASN1_SEQUENCE_cb(DSA_SIG, sig_cb) = {
89 ASN1_SIMPLE(DSA_SIG, r, CBIGNUM),
90 ASN1_SIMPLE(DSA_SIG, s, CBIGNUM)
91 } ASN1_SEQUENCE_END_cb(DSA_SIG, DSA_SIG)
93 IMPLEMENT_ASN1_FUNCTIONS_const(DSA_SIG)
95 /* Override the default free and new methods */
96 static int dsa_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it)
98 if(operation == ASN1_OP_NEW_PRE) {
99 *pval = (ASN1_VALUE *)DSA_new();
102 } else if(operation == ASN1_OP_FREE_PRE) {
103 DSA_free((DSA *)*pval);
110 ASN1_SEQUENCE_cb(DSAPrivateKey, dsa_cb) = {
111 ASN1_SIMPLE(DSA, version, LONG),
112 ASN1_SIMPLE(DSA, p, BIGNUM),
113 ASN1_SIMPLE(DSA, q, BIGNUM),
114 ASN1_SIMPLE(DSA, g, BIGNUM),
115 ASN1_SIMPLE(DSA, pub_key, BIGNUM),
116 ASN1_SIMPLE(DSA, priv_key, BIGNUM)
117 } ASN1_SEQUENCE_END_cb(DSA, DSAPrivateKey)
119 IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(DSA, DSAPrivateKey, DSAPrivateKey)
121 ASN1_SEQUENCE_cb(DSAparams, dsa_cb) = {
122 ASN1_SIMPLE(DSA, p, BIGNUM),
123 ASN1_SIMPLE(DSA, q, BIGNUM),
124 ASN1_SIMPLE(DSA, g, BIGNUM),
125 } ASN1_SEQUENCE_END_cb(DSA, DSAparams)
127 IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(DSA, DSAparams, DSAparams)
129 /* DSA public key is a bit trickier... its effectively a CHOICE type
130 * decided by a field called write_params which can either write out
131 * just the public key as an INTEGER or the parameters and public key
135 ASN1_SEQUENCE(dsa_pub_internal) = {
136 ASN1_SIMPLE(DSA, pub_key, BIGNUM),
137 ASN1_SIMPLE(DSA, p, BIGNUM),
138 ASN1_SIMPLE(DSA, q, BIGNUM),
139 ASN1_SIMPLE(DSA, g, BIGNUM)
140 } ASN1_SEQUENCE_END_name(DSA, dsa_pub_internal)
142 ASN1_CHOICE_cb(DSAPublicKey, dsa_cb) = {
143 ASN1_SIMPLE(DSA, pub_key, BIGNUM),
144 ASN1_EX_COMBINE(0, 0, dsa_pub_internal)
145 } ASN1_CHOICE_END_cb(DSA, DSAPublicKey, write_params)
147 IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(DSA, DSAPublicKey, DSAPublicKey)