1/* $OpenBSD: x_pkey.c,v 1.24 2024/04/09 13:55:02 beck Exp $ */
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 <string.h>
61
62#include <openssl/err.h>
63#include <openssl/evp.h>
64#include <openssl/objects.h>
65#include <openssl/x509.h>
66
67X509_PKEY *
68X509_PKEY_new(void)
69{
70	X509_PKEY *ret = NULL;
71
72	if ((ret = malloc(sizeof(X509_PKEY))) == NULL) {
73		ASN1error(ERR_R_MALLOC_FAILURE);
74		goto err;
75	}
76	ret->version = 0;
77	if ((ret->enc_algor = X509_ALGOR_new()) == NULL) {
78		ASN1error(ERR_R_MALLOC_FAILURE);
79		goto err;
80	}
81	if ((ret->enc_pkey = ASN1_OCTET_STRING_new()) == NULL) {
82		ASN1error(ERR_R_MALLOC_FAILURE);
83		goto err;
84	}
85	ret->dec_pkey = NULL;
86	ret->key_length = 0;
87	ret->key_data = NULL;
88	ret->key_free = 0;
89	ret->cipher.cipher = NULL;
90	memset(ret->cipher.iv, 0, EVP_MAX_IV_LENGTH);
91	ret->references = 1;
92	return (ret);
93
94 err:
95	if (ret) {
96		X509_ALGOR_free(ret->enc_algor);
97		free(ret);
98	}
99	return NULL;
100}
101LCRYPTO_ALIAS(X509_PKEY_new);
102
103void
104X509_PKEY_free(X509_PKEY *x)
105{
106	int i;
107
108	if (x == NULL)
109		return;
110
111	i = CRYPTO_add(&x->references, -1, CRYPTO_LOCK_X509_PKEY);
112	if (i > 0)
113		return;
114
115	if (x->enc_algor != NULL)
116		X509_ALGOR_free(x->enc_algor);
117	ASN1_OCTET_STRING_free(x->enc_pkey);
118	EVP_PKEY_free(x->dec_pkey);
119	if ((x->key_data != NULL) && (x->key_free))
120		free(x->key_data);
121	free(x);
122}
123LCRYPTO_ALIAS(X509_PKEY_free);
124