Commit patch to bn.h that CVS decided to throw away during 'cvs update',
[openssl.git] / crypto / asn1 / p8_pkey.c
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
64 int 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
86 PKCS8_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, M_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
100 PKCS8_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
117 void PKCS8_PRIV_KEY_INFO_free (PKCS8_PRIV_KEY_INFO *a)
118 {
119         if (a == NULL) return;
120         M_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 }