rsa_asn1.c revision 160814 
1/* rsa_asn1.c */
2/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
3 * project 2000.
4 */
5/* ====================================================================
6 * Copyright (c) 2000 The OpenSSL Project.  All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 *
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
18 *    distribution.
19 *
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/)"
24 *
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.
29 *
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.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 *    acknowledgment:
36 *    "This product includes software developed by the OpenSSL Project
37 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
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 * ====================================================================
52 *
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).
56 *
57 */
58
59#include <stdio.h>
60#include "cryptlib.h"
61#include <openssl/bn.h>
62#include <openssl/rsa.h>
63#include <openssl/asn1t.h>
64
65static ASN1_METHOD method={
66        (I2D_OF(void))     i2d_RSAPrivateKey,
67        (D2I_OF(void))     d2i_RSAPrivateKey,
68        (void *(*)(void))  RSA_new,
69        (void (*)(void *)) RSA_free};
70
71ASN1_METHOD *RSAPrivateKey_asn1_meth(void)
72	{
73	return(&method);
74	}
75
76/* Override the default free and new methods */
77static int rsa_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it)
78{
79	if(operation == ASN1_OP_NEW_PRE) {
80		*pval = (ASN1_VALUE *)RSA_new();
81		if(*pval) return 2;
82		return 0;
83	} else if(operation == ASN1_OP_FREE_PRE) {
84		RSA_free((RSA *)*pval);
85		*pval = NULL;
86		return 2;
87	}
88	return 1;
89}
90
91ASN1_SEQUENCE_cb(RSAPrivateKey, rsa_cb) = {
92	ASN1_SIMPLE(RSA, version, LONG),
93	ASN1_SIMPLE(RSA, n, BIGNUM),
94	ASN1_SIMPLE(RSA, e, BIGNUM),
95	ASN1_SIMPLE(RSA, d, BIGNUM),
96	ASN1_SIMPLE(RSA, p, BIGNUM),
97	ASN1_SIMPLE(RSA, q, BIGNUM),
98	ASN1_SIMPLE(RSA, dmp1, BIGNUM),
99	ASN1_SIMPLE(RSA, dmq1, BIGNUM),
100	ASN1_SIMPLE(RSA, iqmp, BIGNUM)
101} ASN1_SEQUENCE_END_cb(RSA, RSAPrivateKey)
102
103
104ASN1_SEQUENCE_cb(RSAPublicKey, rsa_cb) = {
105	ASN1_SIMPLE(RSA, n, BIGNUM),
106	ASN1_SIMPLE(RSA, e, BIGNUM),
107} ASN1_SEQUENCE_END_cb(RSA, RSAPublicKey)
108
109IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(RSA, RSAPrivateKey, RSAPrivateKey)
110
111IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(RSA, RSAPublicKey, RSAPublicKey)
112
113RSA *RSAPublicKey_dup(RSA *rsa)
114	{
115	return ASN1_item_dup(ASN1_ITEM_rptr(RSAPublicKey), rsa);
116	}
117
118RSA *RSAPrivateKey_dup(RSA *rsa)
119	{
120	return ASN1_item_dup(ASN1_ITEM_rptr(RSAPrivateKey), rsa);
121	}
122