p8_pkey.c revision 55714 
1/* p8_pkey.c */
2/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
3 * project 1999.
4 */
5/* ====================================================================
6 * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in
17 *    the documentation and/or other materials provided with the
18 *    distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 *    software must display the following acknowledgment:
22 *    "This product includes software developed by the OpenSSL Project
23 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 *    endorse or promote products derived from this software without
27 *    prior written permission. For written permission, please contact
28 *    licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 *    nor may "OpenSSL" appear in their names without prior written
32 *    permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 *    acknowledgment:
36 *    "This product includes software developed by the OpenSSL Project
37 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 *
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com).  This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
58
59#include <stdio.h>
60#include "cryptlib.h"
61#include <openssl/asn1_mac.h>
62#include <openssl/x509.h>
63
64int i2d_PKCS8_PRIV_KEY_INFO (PKCS8_PRIV_KEY_INFO *a, unsigned char **pp)
65{
66
67	M_ASN1_I2D_vars(a);
68
69	M_ASN1_I2D_len (a->version, i2d_ASN1_INTEGER);
70	M_ASN1_I2D_len (a->pkeyalg, i2d_X509_ALGOR);
71	M_ASN1_I2D_len (a->pkey, i2d_ASN1_TYPE);
72	M_ASN1_I2D_len_IMP_SET_opt_type (X509_ATTRIBUTE, a->attributes,
73					 i2d_X509_ATTRIBUTE, 0);
74
75	M_ASN1_I2D_seq_total ();
76
77	M_ASN1_I2D_put (a->version, i2d_ASN1_INTEGER);
78	M_ASN1_I2D_put (a->pkeyalg, i2d_X509_ALGOR);
79	M_ASN1_I2D_put (a->pkey, i2d_ASN1_TYPE);
80	M_ASN1_I2D_put_IMP_SET_opt_type (X509_ATTRIBUTE, a->attributes,
81					 i2d_X509_ATTRIBUTE, 0);
82
83	M_ASN1_I2D_finish();
84}
85
86PKCS8_PRIV_KEY_INFO *PKCS8_PRIV_KEY_INFO_new(void)
87{
88	PKCS8_PRIV_KEY_INFO *ret=NULL;
89	ASN1_CTX c;
90	M_ASN1_New_Malloc(ret, PKCS8_PRIV_KEY_INFO);
91	M_ASN1_New (ret->version, ASN1_INTEGER_new);
92	M_ASN1_New (ret->pkeyalg, X509_ALGOR_new);
93	M_ASN1_New (ret->pkey, ASN1_TYPE_new);
94	ret->attributes = NULL;
95	ret->broken = PKCS8_OK;
96	return (ret);
97	M_ASN1_New_Error(ASN1_F_PKCS8_PRIV_KEY_INFO_NEW);
98}
99
100PKCS8_PRIV_KEY_INFO *d2i_PKCS8_PRIV_KEY_INFO(PKCS8_PRIV_KEY_INFO **a,
101	     unsigned char **pp, long length)
102{
103	M_ASN1_D2I_vars(a,PKCS8_PRIV_KEY_INFO *,PKCS8_PRIV_KEY_INFO_new);
104	M_ASN1_D2I_Init();
105	M_ASN1_D2I_start_sequence();
106	M_ASN1_D2I_get (ret->version, d2i_ASN1_INTEGER);
107	M_ASN1_D2I_get (ret->pkeyalg, d2i_X509_ALGOR);
108	M_ASN1_D2I_get (ret->pkey, d2i_ASN1_TYPE);
109	M_ASN1_D2I_get_IMP_set_opt_type(X509_ATTRIBUTE, ret->attributes,
110					d2i_X509_ATTRIBUTE,
111					X509_ATTRIBUTE_free, 0);
112	if (ASN1_TYPE_get(ret->pkey) == V_ASN1_SEQUENCE)
113						ret->broken = PKCS8_NO_OCTET;
114	M_ASN1_D2I_Finish(a, PKCS8_PRIV_KEY_INFO_free, ASN1_F_D2I_PKCS8_PRIV_KEY_INFO);
115}
116
117void PKCS8_PRIV_KEY_INFO_free (PKCS8_PRIV_KEY_INFO *a)
118{
119	if (a == NULL) return;
120	ASN1_INTEGER_free (a->version);
121	X509_ALGOR_free(a->pkeyalg);
122	/* Clear sensitive data */
123	if (a->pkey->value.octet_string)
124		memset (a->pkey->value.octet_string->data,
125				 0, a->pkey->value.octet_string->length);
126	ASN1_TYPE_free (a->pkey);
127	sk_X509_ATTRIBUTE_pop_free (a->attributes, X509_ATTRIBUTE_free);
128	Free (a);
129}
130