1/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
2 * All rights reserved.
3 *
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
7 *
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to.  The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
14 *
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
21 *
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
24 * are met:
25 * 1. Redistributions of source code must retain the copyright
26 *    notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 *    notice, this list of conditions and the following disclaimer in the
29 *    documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 *    must display the following acknowledgement:
32 *    "This product includes cryptographic software written by
33 *     Eric Young (eay@cryptsoft.com)"
34 *    The word 'cryptographic' can be left out if the rouines from the library
35 *    being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 *    the apps directory (application code) you must include an acknowledgement:
38 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50 * SUCH DAMAGE.
51 *
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed.  i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.] */
56
57#include <openssl/x509.h>
58
59#include <openssl/asn1.h>
60#include <openssl/asn1_mac.h>
61#include <openssl/mem.h>
62#include <openssl/err.h>
63
64
65OPENSSL_DECLARE_ERROR_FUNCTION(X509, d2i_X509_PKEY);
66OPENSSL_DECLARE_ERROR_FUNCTION(X509, X509_PKEY_new);
67
68/* need to implement */
69int i2d_X509_PKEY(X509_PKEY *a, unsigned char **pp)
70	{
71	return(0);
72	}
73
74X509_PKEY *d2i_X509_PKEY(X509_PKEY **a, const unsigned char **pp, long length)
75	{
76	int i;
77	M_ASN1_D2I_vars(a,X509_PKEY *,X509_PKEY_new);
78
79	M_ASN1_D2I_Init();
80	M_ASN1_D2I_start_sequence();
81	M_ASN1_D2I_get_x(X509_ALGOR,ret->enc_algor,d2i_X509_ALGOR);
82	M_ASN1_D2I_get_x(ASN1_OCTET_STRING,ret->enc_pkey,d2i_ASN1_OCTET_STRING);
83
84	ret->cipher.cipher=NULL;
85
86        /* TODO(fork): fix */
87	/*ret->cipher.cipher=EVP_get_cipherbyname(
88		OBJ_nid2ln(OBJ_obj2nid(ret->enc_algor->algorithm)));*/
89
90	if (ret->cipher.cipher == NULL)
91		{
92		c.error=ASN1_R_UNSUPPORTED_CIPHER;
93		c.line=__LINE__;
94		goto err;
95		}
96	if (ret->enc_algor->parameter->type == V_ASN1_OCTET_STRING)
97		{
98		i=ret->enc_algor->parameter->value.octet_string->length;
99		if (i > EVP_MAX_IV_LENGTH)
100			{
101			c.error=ASN1_R_IV_TOO_LARGE;
102			c.line=__LINE__;
103			goto err;
104			}
105		memcpy(ret->cipher.iv,
106			ret->enc_algor->parameter->value.octet_string->data,i);
107		}
108	else
109		memset(ret->cipher.iv,0,EVP_MAX_IV_LENGTH);
110	M_ASN1_D2I_Finish(a,X509_PKEY_free,X509_F_d2i_X509_PKEY);
111	}
112
113X509_PKEY *X509_PKEY_new(void)
114	{
115	X509_PKEY *ret=NULL;
116	ASN1_CTX c;
117
118	M_ASN1_New_Malloc(ret,X509_PKEY);
119	ret->version=0;
120	M_ASN1_New(ret->enc_algor,X509_ALGOR_new);
121	M_ASN1_New(ret->enc_pkey,M_ASN1_OCTET_STRING_new);
122	ret->dec_pkey=NULL;
123	ret->key_length=0;
124	ret->key_data=NULL;
125	ret->key_free=0;
126	ret->cipher.cipher=NULL;
127	memset(ret->cipher.iv,0,EVP_MAX_IV_LENGTH);
128	ret->references=1;
129	return(ret);
130	M_ASN1_New_Error(X509_F_X509_PKEY_new);
131	}
132
133void X509_PKEY_free(X509_PKEY *x)
134	{
135	int i;
136
137	if (x == NULL) return;
138
139	i=CRYPTO_add(&x->references,-1,CRYPTO_LOCK_X509_PKEY);
140	if (i > 0) return;
141
142	if (x->enc_algor != NULL) X509_ALGOR_free(x->enc_algor);
143	if (x->enc_pkey != NULL) M_ASN1_OCTET_STRING_free(x->enc_pkey);
144	if (x->dec_pkey != NULL)EVP_PKEY_free(x->dec_pkey);
145	if ((x->key_data != NULL) && (x->key_free)) OPENSSL_free(x->key_data);
146	OPENSSL_free(x);
147	}
148