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1 /* rsa_asn1.c */
2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3  * project 2000.
4  */
5 /* ====================================================================
6  * Copyright (c) 2000-2005 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 
65 /* Override the default free and new methods */
rsa_cb(int operation,ASN1_VALUE ** pval,const ASN1_ITEM * it,void * exarg)66 static int rsa_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
67 								void *exarg)
68 {
69 	if(operation == ASN1_OP_NEW_PRE) {
70 		*pval = (ASN1_VALUE *)RSA_new();
71 		if(*pval) return 2;
72 		return 0;
73 	} else if(operation == ASN1_OP_FREE_PRE) {
74 		RSA_free((RSA *)*pval);
75 		*pval = NULL;
76 		return 2;
77 	}
78 	return 1;
79 }
80 
81 ASN1_SEQUENCE_cb(RSAPrivateKey, rsa_cb) = {
82 	ASN1_SIMPLE(RSA, version, LONG),
83 	ASN1_SIMPLE(RSA, n, BIGNUM),
84 	ASN1_SIMPLE(RSA, e, BIGNUM),
85 	ASN1_SIMPLE(RSA, d, BIGNUM),
86 	ASN1_SIMPLE(RSA, p, BIGNUM),
87 	ASN1_SIMPLE(RSA, q, BIGNUM),
88 	ASN1_SIMPLE(RSA, dmp1, BIGNUM),
89 	ASN1_SIMPLE(RSA, dmq1, BIGNUM),
90 	ASN1_SIMPLE(RSA, iqmp, BIGNUM)
91 } ASN1_SEQUENCE_END_cb(RSA, RSAPrivateKey)
92 
93 
94 ASN1_SEQUENCE_cb(RSAPublicKey, rsa_cb) = {
95 	ASN1_SIMPLE(RSA, n, BIGNUM),
96 	ASN1_SIMPLE(RSA, e, BIGNUM),
97 } ASN1_SEQUENCE_END_cb(RSA, RSAPublicKey)
98 
99 IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(RSA, RSAPrivateKey, RSAPrivateKey)
100 
101 IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(RSA, RSAPublicKey, RSAPublicKey)
102 
103 RSA *RSAPublicKey_dup(RSA *rsa)
104 	{
105 	return ASN1_item_dup(ASN1_ITEM_rptr(RSAPublicKey), rsa);
106 	}
107 
RSAPrivateKey_dup(RSA * rsa)108 RSA *RSAPrivateKey_dup(RSA *rsa)
109 	{
110 	return ASN1_item_dup(ASN1_ITEM_rptr(RSAPrivateKey), rsa);
111 	}
112