p8_key.c revision 296465 
1/* crypto/asn1/p8_key.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/objects.h>
63
64int i2d_X509_KEY(X509 *a, unsigned char **pp)
65{
66    M_ASN1_I2D_vars(a);
67
68    M_ASN1_I2D_len(a->cert_info, i2d_X509_CINF);
69    M_ASN1_I2D_len(a->sig_alg, i2d_X509_ALGOR);
70    M_ASN1_I2D_len(a->signature, i2d_ASN1_BIT_STRING);
71
72    M_ASN1_I2D_seq_total();
73
74    M_ASN1_I2D_put(a->cert_info, i2d_X509_CINF);
75    M_ASN1_I2D_put(a->sig_alg, i2d_X509_ALGOR);
76    M_ASN1_I2D_put(a->signature, i2d_ASN1_BIT_STRING);
77
78    M_ASN1_I2D_finish();
79}
80
81X509 *d2i_X509_KEY(X509 **a, unsigned char **pp, long length)
82{
83    M_ASN1_D2I_vars(a, X509 *, X509_new);
84
85    M_ASN1_D2I_Init();
86    M_ASN1_D2I_start_sequence();
87    M_ASN1_D2I_get(ret->cert_info, d2i_X509_CINF);
88    M_ASN1_D2I_get(ret->sig_alg, d2i_X509_ALGOR);
89    M_ASN1_D2I_get(ret->signature, d2i_ASN1_BIT_STRING);
90    M_ASN1_D2I_Finish(a, X509_free, ASN1_F_D2I_X509);
91}
92
93X509 *X509_KEY_new(void)
94{
95    X509_KEY *ret = NULL;
96
97    M_ASN1_New_OPENSSL_malloc(ret, X509_KEY);
98    ret->references = 1;
99    ret->type = NID M_ASN1_New(ret->cert_info, X509_CINF_new);
100    M_ASN1_New(ret->sig_alg, X509_ALGOR_new);
101    M_ASN1_New(ret->signature, ASN1_BIT_STRING_new);
102    return (ret);
103    M_ASN1_New_Error(ASN1_F_X509_NEW);
104}
105
106void X509_KEY_free(X509 *a)
107{
108    int i;
109
110    if (a == NULL)
111        return;
112
113    i = CRYPTO_add_lock(&a->references, -1, CRYPTO_LOCK_X509_KEY);
114#ifdef REF_PRINT
115    REF_PRINT("X509_KEY", a);
116#endif
117    if (i > 0)
118        return;
119#ifdef REF_CHECK
120    if (i < 0) {
121        fprintf(stderr, "X509_KEY_free, bad reference count\n");
122        abort();
123    }
124#endif
125
126    X509_CINF_free(a->cert_info);
127    X509_ALGOR_free(a->sig_alg);
128    ASN1_BIT_STRING_free(a->signature);
129    OPENSSL_free(a);
130}
131