/src/libressl/crypto/asn1/x_pkey.c
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1 | | /* $OpenBSD: x_pkey.c,v 1.21 2021/12/25 13:17:48 jsing 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 | | |
67 | | X509_PKEY * |
68 | | X509_PKEY_new(void) |
69 | 0 | { |
70 | 0 | X509_PKEY *ret = NULL; |
71 | |
|
72 | 0 | if ((ret = malloc(sizeof(X509_PKEY))) == NULL) { |
73 | 0 | ASN1error(ERR_R_MALLOC_FAILURE); |
74 | 0 | goto err; |
75 | 0 | } |
76 | 0 | ret->version = 0; |
77 | 0 | if ((ret->enc_algor = X509_ALGOR_new()) == NULL) { |
78 | 0 | ASN1error(ERR_R_MALLOC_FAILURE); |
79 | 0 | goto err; |
80 | 0 | } |
81 | 0 | if ((ret->enc_pkey = ASN1_OCTET_STRING_new()) == NULL) { |
82 | 0 | ASN1error(ERR_R_MALLOC_FAILURE); |
83 | 0 | goto err; |
84 | 0 | } |
85 | 0 | ret->dec_pkey = NULL; |
86 | 0 | ret->key_length = 0; |
87 | 0 | ret->key_data = NULL; |
88 | 0 | ret->key_free = 0; |
89 | 0 | ret->cipher.cipher = NULL; |
90 | 0 | memset(ret->cipher.iv, 0, EVP_MAX_IV_LENGTH); |
91 | 0 | ret->references = 1; |
92 | 0 | return (ret); |
93 | | |
94 | 0 | err: |
95 | 0 | if (ret) { |
96 | 0 | X509_ALGOR_free(ret->enc_algor); |
97 | 0 | free(ret); |
98 | 0 | } |
99 | 0 | return NULL; |
100 | 0 | } |
101 | | |
102 | | void |
103 | | X509_PKEY_free(X509_PKEY *x) |
104 | 0 | { |
105 | 0 | int i; |
106 | |
|
107 | 0 | if (x == NULL) |
108 | 0 | return; |
109 | | |
110 | 0 | i = CRYPTO_add(&x->references, -1, CRYPTO_LOCK_X509_PKEY); |
111 | 0 | if (i > 0) |
112 | 0 | return; |
113 | | |
114 | 0 | if (x->enc_algor != NULL) |
115 | 0 | X509_ALGOR_free(x->enc_algor); |
116 | 0 | ASN1_OCTET_STRING_free(x->enc_pkey); |
117 | 0 | EVP_PKEY_free(x->dec_pkey); |
118 | 0 | if ((x->key_data != NULL) && (x->key_free)) |
119 | 0 | free(x->key_data); |
120 | 0 | free(x); |
121 | 0 | } |