xref: /onnv-gate/usr/src/common/openssl/crypto/asn1/x_pkey.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /* crypto/asn1/x_pkey.c */
2*0Sstevel@tonic-gate /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3*0Sstevel@tonic-gate  * All rights reserved.
4*0Sstevel@tonic-gate  *
5*0Sstevel@tonic-gate  * This package is an SSL implementation written
6*0Sstevel@tonic-gate  * by Eric Young (eay@cryptsoft.com).
7*0Sstevel@tonic-gate  * The implementation was written so as to conform with Netscapes SSL.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * This library is free for commercial and non-commercial use as long as
10*0Sstevel@tonic-gate  * the following conditions are aheared to.  The following conditions
11*0Sstevel@tonic-gate  * apply to all code found in this distribution, be it the RC4, RSA,
12*0Sstevel@tonic-gate  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13*0Sstevel@tonic-gate  * included with this distribution is covered by the same copyright terms
14*0Sstevel@tonic-gate  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15*0Sstevel@tonic-gate  *
16*0Sstevel@tonic-gate  * Copyright remains Eric Young's, and as such any Copyright notices in
17*0Sstevel@tonic-gate  * the code are not to be removed.
18*0Sstevel@tonic-gate  * If this package is used in a product, Eric Young should be given attribution
19*0Sstevel@tonic-gate  * as the author of the parts of the library used.
20*0Sstevel@tonic-gate  * This can be in the form of a textual message at program startup or
21*0Sstevel@tonic-gate  * in documentation (online or textual) provided with the package.
22*0Sstevel@tonic-gate  *
23*0Sstevel@tonic-gate  * Redistribution and use in source and binary forms, with or without
24*0Sstevel@tonic-gate  * modification, are permitted provided that the following conditions
25*0Sstevel@tonic-gate  * are met:
26*0Sstevel@tonic-gate  * 1. Redistributions of source code must retain the copyright
27*0Sstevel@tonic-gate  *    notice, this list of conditions and the following disclaimer.
28*0Sstevel@tonic-gate  * 2. Redistributions in binary form must reproduce the above copyright
29*0Sstevel@tonic-gate  *    notice, this list of conditions and the following disclaimer in the
30*0Sstevel@tonic-gate  *    documentation and/or other materials provided with the distribution.
31*0Sstevel@tonic-gate  * 3. All advertising materials mentioning features or use of this software
32*0Sstevel@tonic-gate  *    must display the following acknowledgement:
33*0Sstevel@tonic-gate  *    "This product includes cryptographic software written by
34*0Sstevel@tonic-gate  *     Eric Young (eay@cryptsoft.com)"
35*0Sstevel@tonic-gate  *    The word 'cryptographic' can be left out if the rouines from the library
36*0Sstevel@tonic-gate  *    being used are not cryptographic related :-).
37*0Sstevel@tonic-gate  * 4. If you include any Windows specific code (or a derivative thereof) from
38*0Sstevel@tonic-gate  *    the apps directory (application code) you must include an acknowledgement:
39*0Sstevel@tonic-gate  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40*0Sstevel@tonic-gate  *
41*0Sstevel@tonic-gate  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42*0Sstevel@tonic-gate  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43*0Sstevel@tonic-gate  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44*0Sstevel@tonic-gate  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45*0Sstevel@tonic-gate  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46*0Sstevel@tonic-gate  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47*0Sstevel@tonic-gate  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48*0Sstevel@tonic-gate  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49*0Sstevel@tonic-gate  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50*0Sstevel@tonic-gate  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51*0Sstevel@tonic-gate  * SUCH DAMAGE.
52*0Sstevel@tonic-gate  *
53*0Sstevel@tonic-gate  * The licence and distribution terms for any publically available version or
54*0Sstevel@tonic-gate  * derivative of this code cannot be changed.  i.e. this code cannot simply be
55*0Sstevel@tonic-gate  * copied and put under another distribution licence
56*0Sstevel@tonic-gate  * [including the GNU Public Licence.]
57*0Sstevel@tonic-gate  */
58*0Sstevel@tonic-gate 
59*0Sstevel@tonic-gate #include <stdio.h>
60*0Sstevel@tonic-gate #include "cryptlib.h"
61*0Sstevel@tonic-gate #include <openssl/evp.h>
62*0Sstevel@tonic-gate #include <openssl/objects.h>
63*0Sstevel@tonic-gate #include <openssl/asn1_mac.h>
64*0Sstevel@tonic-gate #include <openssl/x509.h>
65*0Sstevel@tonic-gate 
66*0Sstevel@tonic-gate /* need to implement */
67*0Sstevel@tonic-gate int i2d_X509_PKEY(X509_PKEY *a, unsigned char **pp)
68*0Sstevel@tonic-gate 	{
69*0Sstevel@tonic-gate 	return(0);
70*0Sstevel@tonic-gate 	}
71*0Sstevel@tonic-gate 
72*0Sstevel@tonic-gate X509_PKEY *d2i_X509_PKEY(X509_PKEY **a, unsigned char **pp, long length)
73*0Sstevel@tonic-gate 	{
74*0Sstevel@tonic-gate 	int i;
75*0Sstevel@tonic-gate 	M_ASN1_D2I_vars(a,X509_PKEY *,X509_PKEY_new);
76*0Sstevel@tonic-gate 
77*0Sstevel@tonic-gate 	M_ASN1_D2I_Init();
78*0Sstevel@tonic-gate 	M_ASN1_D2I_start_sequence();
79*0Sstevel@tonic-gate 	M_ASN1_D2I_get(ret->enc_algor,d2i_X509_ALGOR);
80*0Sstevel@tonic-gate 	M_ASN1_D2I_get(ret->enc_pkey,d2i_ASN1_OCTET_STRING);
81*0Sstevel@tonic-gate 
82*0Sstevel@tonic-gate 	ret->cipher.cipher=EVP_get_cipherbyname(
83*0Sstevel@tonic-gate 		OBJ_nid2ln(OBJ_obj2nid(ret->enc_algor->algorithm)));
84*0Sstevel@tonic-gate 	if (ret->cipher.cipher == NULL)
85*0Sstevel@tonic-gate 		{
86*0Sstevel@tonic-gate 		c.error=ASN1_R_UNSUPPORTED_CIPHER;
87*0Sstevel@tonic-gate 		c.line=__LINE__;
88*0Sstevel@tonic-gate 		goto err;
89*0Sstevel@tonic-gate 		}
90*0Sstevel@tonic-gate 	if (ret->enc_algor->parameter->type == V_ASN1_OCTET_STRING)
91*0Sstevel@tonic-gate 		{
92*0Sstevel@tonic-gate 		i=ret->enc_algor->parameter->value.octet_string->length;
93*0Sstevel@tonic-gate 		if (i > EVP_MAX_IV_LENGTH)
94*0Sstevel@tonic-gate 			{
95*0Sstevel@tonic-gate 			c.error=ASN1_R_IV_TOO_LARGE;
96*0Sstevel@tonic-gate 			c.line=__LINE__;
97*0Sstevel@tonic-gate 			goto err;
98*0Sstevel@tonic-gate 			}
99*0Sstevel@tonic-gate 		memcpy(ret->cipher.iv,
100*0Sstevel@tonic-gate 			ret->enc_algor->parameter->value.octet_string->data,i);
101*0Sstevel@tonic-gate 		}
102*0Sstevel@tonic-gate 	else
103*0Sstevel@tonic-gate 		memset(ret->cipher.iv,0,EVP_MAX_IV_LENGTH);
104*0Sstevel@tonic-gate 	M_ASN1_D2I_Finish(a,X509_PKEY_free,ASN1_F_D2I_X509_PKEY);
105*0Sstevel@tonic-gate 	}
106*0Sstevel@tonic-gate 
107*0Sstevel@tonic-gate X509_PKEY *X509_PKEY_new(void)
108*0Sstevel@tonic-gate 	{
109*0Sstevel@tonic-gate 	X509_PKEY *ret=NULL;
110*0Sstevel@tonic-gate 	ASN1_CTX c;
111*0Sstevel@tonic-gate 
112*0Sstevel@tonic-gate 	M_ASN1_New_Malloc(ret,X509_PKEY);
113*0Sstevel@tonic-gate 	ret->version=0;
114*0Sstevel@tonic-gate 	M_ASN1_New(ret->enc_algor,X509_ALGOR_new);
115*0Sstevel@tonic-gate 	M_ASN1_New(ret->enc_pkey,M_ASN1_OCTET_STRING_new);
116*0Sstevel@tonic-gate 	ret->dec_pkey=NULL;
117*0Sstevel@tonic-gate 	ret->key_length=0;
118*0Sstevel@tonic-gate 	ret->key_data=NULL;
119*0Sstevel@tonic-gate 	ret->key_free=0;
120*0Sstevel@tonic-gate 	ret->cipher.cipher=NULL;
121*0Sstevel@tonic-gate 	memset(ret->cipher.iv,0,EVP_MAX_IV_LENGTH);
122*0Sstevel@tonic-gate 	ret->references=1;
123*0Sstevel@tonic-gate 	return(ret);
124*0Sstevel@tonic-gate 	M_ASN1_New_Error(ASN1_F_X509_PKEY_NEW);
125*0Sstevel@tonic-gate 	}
126*0Sstevel@tonic-gate 
127*0Sstevel@tonic-gate void X509_PKEY_free(X509_PKEY *x)
128*0Sstevel@tonic-gate 	{
129*0Sstevel@tonic-gate 	int i;
130*0Sstevel@tonic-gate 
131*0Sstevel@tonic-gate 	if (x == NULL) return;
132*0Sstevel@tonic-gate 
133*0Sstevel@tonic-gate 	i=CRYPTO_add(&x->references,-1,CRYPTO_LOCK_X509_PKEY);
134*0Sstevel@tonic-gate #ifdef REF_PRINT
135*0Sstevel@tonic-gate 	REF_PRINT("X509_PKEY",x);
136*0Sstevel@tonic-gate #endif
137*0Sstevel@tonic-gate 	if (i > 0) return;
138*0Sstevel@tonic-gate #ifdef REF_CHECK
139*0Sstevel@tonic-gate 	if (i < 0)
140*0Sstevel@tonic-gate 		{
141*0Sstevel@tonic-gate 		fprintf(stderr,"X509_PKEY_free, bad reference count\n");
142*0Sstevel@tonic-gate 		abort();
143*0Sstevel@tonic-gate 		}
144*0Sstevel@tonic-gate #endif
145*0Sstevel@tonic-gate 
146*0Sstevel@tonic-gate 	if (x->enc_algor != NULL) X509_ALGOR_free(x->enc_algor);
147*0Sstevel@tonic-gate 	if (x->enc_pkey != NULL) M_ASN1_OCTET_STRING_free(x->enc_pkey);
148*0Sstevel@tonic-gate 	if (x->dec_pkey != NULL)EVP_PKEY_free(x->dec_pkey);
149*0Sstevel@tonic-gate 	if ((x->key_data != NULL) && (x->key_free)) OPENSSL_free(x->key_data);
150*0Sstevel@tonic-gate 	OPENSSL_free(x);
151*0Sstevel@tonic-gate 	}
152