rsa_asn1.c revision 296341 
1/* rsa_asn1.c */
2/*
3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
4 * 2000.
5 */
6/* ====================================================================
7 * Copyright (c) 2000-2005 The OpenSSL Project.  All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in
18 *    the documentation and/or other materials provided with the
19 *    distribution.
20 *
21 * 3. All advertising materials mentioning features or use of this
22 *    software must display the following acknowledgment:
23 *    "This product includes software developed by the OpenSSL Project
24 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 *
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 *    endorse or promote products derived from this software without
28 *    prior written permission. For written permission, please contact
29 *    licensing@OpenSSL.org.
30 *
31 * 5. Products derived from this software may not be called "OpenSSL"
32 *    nor may "OpenSSL" appear in their names without prior written
33 *    permission of the OpenSSL Project.
34 *
35 * 6. Redistributions of any form whatsoever must retain the following
36 *    acknowledgment:
37 *    "This product includes software developed by the OpenSSL Project
38 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
53 *
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com).  This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com).
57 *
58 */
59
60#include <stdio.h>
61#include "cryptlib.h"
62#include <openssl/bn.h>
63#include <openssl/rsa.h>
64#include <openssl/x509.h>
65#include <openssl/asn1t.h>
66
67/* Override the default free and new methods */
68static int rsa_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
69                  void *exarg)
70{
71    if (operation == ASN1_OP_NEW_PRE) {
72        *pval = (ASN1_VALUE *)RSA_new();
73        if (*pval)
74            return 2;
75        return 0;
76    } else if (operation == ASN1_OP_FREE_PRE) {
77        RSA_free((RSA *)*pval);
78        *pval = NULL;
79        return 2;
80    }
81    return 1;
82}
83
84ASN1_SEQUENCE_cb(RSAPrivateKey, rsa_cb) = {
85        ASN1_SIMPLE(RSA, version, LONG),
86        ASN1_SIMPLE(RSA, n, BIGNUM),
87        ASN1_SIMPLE(RSA, e, BIGNUM),
88        ASN1_SIMPLE(RSA, d, BIGNUM),
89        ASN1_SIMPLE(RSA, p, BIGNUM),
90        ASN1_SIMPLE(RSA, q, BIGNUM),
91        ASN1_SIMPLE(RSA, dmp1, BIGNUM),
92        ASN1_SIMPLE(RSA, dmq1, BIGNUM),
93        ASN1_SIMPLE(RSA, iqmp, BIGNUM)
94} ASN1_SEQUENCE_END_cb(RSA, RSAPrivateKey)
95
96
97ASN1_SEQUENCE_cb(RSAPublicKey, rsa_cb) = {
98        ASN1_SIMPLE(RSA, n, BIGNUM),
99        ASN1_SIMPLE(RSA, e, BIGNUM),
100} ASN1_SEQUENCE_END_cb(RSA, RSAPublicKey)
101
102ASN1_SEQUENCE(RSA_PSS_PARAMS) = {
103        ASN1_EXP_OPT(RSA_PSS_PARAMS, hashAlgorithm, X509_ALGOR,0),
104        ASN1_EXP_OPT(RSA_PSS_PARAMS, maskGenAlgorithm, X509_ALGOR,1),
105        ASN1_EXP_OPT(RSA_PSS_PARAMS, saltLength, ASN1_INTEGER,2),
106        ASN1_EXP_OPT(RSA_PSS_PARAMS, trailerField, ASN1_INTEGER,3)
107} ASN1_SEQUENCE_END(RSA_PSS_PARAMS)
108
109IMPLEMENT_ASN1_FUNCTIONS(RSA_PSS_PARAMS)
110
111IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(RSA, RSAPrivateKey, RSAPrivateKey)
112
113IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(RSA, RSAPublicKey, RSAPublicKey)
114
115RSA *RSAPublicKey_dup(RSA *rsa)
116{
117    return ASN1_item_dup(ASN1_ITEM_rptr(RSAPublicKey), rsa);
118}
119
120RSA *RSAPrivateKey_dup(RSA *rsa)
121{
122    return ASN1_item_dup(ASN1_ITEM_rptr(RSAPrivateKey), rsa);
123}
124