x_algor.c revision 55714 
1/* crypto/asn1/x_algor.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to.  The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 *    notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 *    notice, this list of conditions and the following disclaimer in the
30 *    documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 *    must display the following acknowledgement:
33 *    "This product includes cryptographic software written by
34 *     Eric Young (eay@cryptsoft.com)"
35 *    The word 'cryptographic' can be left out if the rouines from the library
36 *    being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 *    the apps directory (application code) you must include an acknowledgement:
39 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed.  i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#include <stdio.h>
60#include "cryptlib.h"
61#include <openssl/asn1_mac.h>
62#include <openssl/x509.h>
63
64int i2d_X509_ALGOR(X509_ALGOR *a, unsigned char **pp)
65	{
66	M_ASN1_I2D_vars(a);
67
68	M_ASN1_I2D_len(a->algorithm,i2d_ASN1_OBJECT);
69	if (a->parameter != NULL)
70		{ M_ASN1_I2D_len(a->parameter,i2d_ASN1_TYPE); }
71
72	M_ASN1_I2D_seq_total();
73	M_ASN1_I2D_put(a->algorithm,i2d_ASN1_OBJECT);
74	if (a->parameter != NULL)
75		{ M_ASN1_I2D_put(a->parameter,i2d_ASN1_TYPE); }
76
77	M_ASN1_I2D_finish();
78	}
79
80X509_ALGOR *d2i_X509_ALGOR(X509_ALGOR **a, unsigned char **pp, long length)
81	{
82	M_ASN1_D2I_vars(a,X509_ALGOR *,X509_ALGOR_new);
83
84	M_ASN1_D2I_Init();
85	M_ASN1_D2I_start_sequence();
86	M_ASN1_D2I_get(ret->algorithm,d2i_ASN1_OBJECT);
87	if (!M_ASN1_D2I_end_sequence())
88		{ M_ASN1_D2I_get(ret->parameter,d2i_ASN1_TYPE); }
89	else
90		{
91		ASN1_TYPE_free(ret->parameter);
92		ret->parameter=NULL;
93		}
94	M_ASN1_D2I_Finish(a,X509_ALGOR_free,ASN1_F_D2I_X509_ALGOR);
95	}
96
97X509_ALGOR *X509_ALGOR_new(void)
98	{
99	X509_ALGOR *ret=NULL;
100	ASN1_CTX c;
101
102	M_ASN1_New_Malloc(ret,X509_ALGOR);
103	ret->algorithm=OBJ_nid2obj(NID_undef);
104	ret->parameter=NULL;
105	return(ret);
106	M_ASN1_New_Error(ASN1_F_X509_ALGOR_NEW);
107	}
108
109void X509_ALGOR_free(X509_ALGOR *a)
110	{
111	if (a == NULL) return;
112	ASN1_OBJECT_free(a->algorithm);
113	ASN1_TYPE_free(a->parameter);
114	Free((char *)a);
115	}
116
117IMPLEMENT_STACK_OF(X509_ALGOR)
118IMPLEMENT_ASN1_SET_OF(X509_ALGOR)
119