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