Line data Source code
1 : /* crypto/asn1/x_pkey.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/evp.h>
62 : #include <openssl/objects.h>
63 : #include <openssl/asn1_mac.h>
64 : #include <openssl/x509.h>
65 :
66 : /* need to implement */
67 0 : int i2d_X509_PKEY(X509_PKEY *a, unsigned char **pp)
68 : {
69 0 : return (0);
70 : }
71 :
72 0 : X509_PKEY *d2i_X509_PKEY(X509_PKEY **a, const unsigned char **pp, long length)
73 : {
74 : int i;
75 0 : M_ASN1_D2I_vars(a, X509_PKEY *, X509_PKEY_new);
76 :
77 0 : M_ASN1_D2I_Init();
78 0 : M_ASN1_D2I_start_sequence();
79 0 : M_ASN1_D2I_get_x(X509_ALGOR, ret->enc_algor, d2i_X509_ALGOR);
80 0 : M_ASN1_D2I_get_x(ASN1_OCTET_STRING, ret->enc_pkey, d2i_ASN1_OCTET_STRING);
81 :
82 0 : ret->cipher.cipher =
83 0 : EVP_get_cipherbyname(OBJ_nid2ln
84 0 : (OBJ_obj2nid(ret->enc_algor->algorithm)));
85 0 : if (ret->cipher.cipher == NULL) {
86 0 : c.error = ASN1_R_UNSUPPORTED_CIPHER;
87 0 : c.line = __LINE__;
88 0 : goto err;
89 : }
90 0 : if (ret->enc_algor->parameter->type == V_ASN1_OCTET_STRING) {
91 0 : i = ret->enc_algor->parameter->value.octet_string->length;
92 0 : if (i > EVP_MAX_IV_LENGTH) {
93 0 : c.error = ASN1_R_IV_TOO_LARGE;
94 0 : c.line = __LINE__;
95 0 : goto err;
96 : }
97 0 : memcpy(ret->cipher.iv,
98 0 : ret->enc_algor->parameter->value.octet_string->data, i);
99 : } else
100 0 : memset(ret->cipher.iv, 0, EVP_MAX_IV_LENGTH);
101 0 : M_ASN1_D2I_Finish(a, X509_PKEY_free, ASN1_F_D2I_X509_PKEY);
102 : }
103 :
104 0 : X509_PKEY *X509_PKEY_new(void)
105 : {
106 : X509_PKEY *ret = NULL;
107 : ASN1_CTX c;
108 :
109 0 : M_ASN1_New_Malloc(ret, X509_PKEY);
110 0 : ret->version = 0;
111 0 : M_ASN1_New(ret->enc_algor, X509_ALGOR_new);
112 0 : M_ASN1_New(ret->enc_pkey, M_ASN1_OCTET_STRING_new);
113 0 : ret->dec_pkey = NULL;
114 0 : ret->key_length = 0;
115 0 : ret->key_data = NULL;
116 0 : ret->key_free = 0;
117 0 : ret->cipher.cipher = NULL;
118 0 : memset(ret->cipher.iv, 0, EVP_MAX_IV_LENGTH);
119 0 : ret->references = 1;
120 0 : return (ret);
121 0 : M_ASN1_New_Error(ASN1_F_X509_PKEY_NEW);
122 : }
123 :
124 0 : void X509_PKEY_free(X509_PKEY *x)
125 : {
126 : int i;
127 :
128 0 : if (x == NULL)
129 : return;
130 :
131 0 : i = CRYPTO_add(&x->references, -1, CRYPTO_LOCK_X509_PKEY);
132 : #ifdef REF_PRINT
133 : REF_PRINT("X509_PKEY", x);
134 : #endif
135 0 : if (i > 0)
136 : return;
137 : #ifdef REF_CHECK
138 : if (i < 0) {
139 : fprintf(stderr, "X509_PKEY_free, bad reference count\n");
140 : abort();
141 : }
142 : #endif
143 :
144 0 : if (x->enc_algor != NULL)
145 0 : X509_ALGOR_free(x->enc_algor);
146 0 : if (x->enc_pkey != NULL)
147 0 : M_ASN1_OCTET_STRING_free(x->enc_pkey);
148 0 : if (x->dec_pkey != NULL)
149 0 : EVP_PKEY_free(x->dec_pkey);
150 0 : if ((x->key_data != NULL) && (x->key_free))
151 0 : OPENSSL_free(x->key_data);
152 0 : OPENSSL_free(x);
153 : }
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