Branch data Line data Source code
1 : : /* p8_pkey.c */
2 : : /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 : : * project 1999.
4 : : */
5 : : /* ====================================================================
6 : : * Copyright (c) 1999-2005 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/asn1t.h>
62 : : #include <openssl/x509.h>
63 : :
64 : : /* Minor tweak to operation: zero private key data */
65 : 6832 : static int pkey_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
66 : : void *exarg)
67 : : {
68 : : /* Since the structure must still be valid use ASN1_OP_FREE_PRE */
69 [ + + ]: 6832 : if(operation == ASN1_OP_FREE_PRE) {
70 : 1137 : PKCS8_PRIV_KEY_INFO *key = (PKCS8_PRIV_KEY_INFO *)*pval;
71 [ + - ]: 1137 : if (key->pkey->value.octet_string)
72 : 1137 : OPENSSL_cleanse(key->pkey->value.octet_string->data,
73 : 1137 : key->pkey->value.octet_string->length);
74 : : }
75 : 6832 : return 1;
76 : : }
77 : :
78 : : ASN1_SEQUENCE_cb(PKCS8_PRIV_KEY_INFO, pkey_cb) = {
79 : : ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, version, ASN1_INTEGER),
80 : : ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, pkeyalg, X509_ALGOR),
81 : : ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, pkey, ASN1_ANY),
82 : : ASN1_IMP_SET_OF_OPT(PKCS8_PRIV_KEY_INFO, attributes, X509_ATTRIBUTE, 0)
83 : : } ASN1_SEQUENCE_END_cb(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO)
84 : :
85 : 4588 : IMPLEMENT_ASN1_FUNCTIONS(PKCS8_PRIV_KEY_INFO)
86 : :
87 : 10 : int PKCS8_pkey_set0(PKCS8_PRIV_KEY_INFO *priv, ASN1_OBJECT *aobj,
88 : : int version,
89 : : int ptype, void *pval,
90 : : unsigned char *penc, int penclen)
91 : : {
92 : 10 : unsigned char **ppenc = NULL;
93 [ + - ]: 10 : if (version >= 0)
94 : : {
95 [ + - ]: 10 : if (!ASN1_INTEGER_set(priv->version, version))
96 : : return 0;
97 : : }
98 [ + - ]: 10 : if (penc)
99 : : {
100 : : int pmtype;
101 : : ASN1_OCTET_STRING *oct;
102 : 10 : oct = ASN1_OCTET_STRING_new();
103 [ + - ]: 10 : if (!oct)
104 : : return 0;
105 : 10 : oct->data = penc;
106 : 10 : ppenc = &oct->data;
107 : 10 : oct->length = penclen;
108 [ + - ]: 10 : if (priv->broken == PKCS8_NO_OCTET)
109 : : pmtype = V_ASN1_SEQUENCE;
110 : : else
111 : 10 : pmtype = V_ASN1_OCTET_STRING;
112 : 10 : ASN1_TYPE_set(priv->pkey, pmtype, oct);
113 : : }
114 [ - + ]: 10 : if (!X509_ALGOR_set0(priv->pkeyalg, aobj, ptype, pval))
115 : : {
116 : : /* If call fails do not swallow 'enc' */
117 [ # # ]: 0 : if (ppenc)
118 : 0 : *ppenc = NULL;
119 : : return 0;
120 : : }
121 : : return 1;
122 : : }
123 : :
124 : 2254 : int PKCS8_pkey_get0(ASN1_OBJECT **ppkalg,
125 : : const unsigned char **pk, int *ppklen,
126 : : X509_ALGOR **pa,
127 : : PKCS8_PRIV_KEY_INFO *p8)
128 : : {
129 [ + + ]: 2254 : if (ppkalg)
130 : 1127 : *ppkalg = p8->pkeyalg->algorithm;
131 [ + - ]: 2254 : if(p8->pkey->type == V_ASN1_OCTET_STRING)
132 : : {
133 : 2254 : p8->broken = PKCS8_OK;
134 [ + + ]: 2254 : if (pk)
135 : : {
136 : 1127 : *pk = p8->pkey->value.octet_string->data;
137 : 1127 : *ppklen = p8->pkey->value.octet_string->length;
138 : : }
139 : : }
140 [ # # ]: 0 : else if (p8->pkey->type == V_ASN1_SEQUENCE)
141 : : {
142 : 0 : p8->broken = PKCS8_NO_OCTET;
143 [ # # ]: 0 : if (pk)
144 : : {
145 : 0 : *pk = p8->pkey->value.sequence->data;
146 : 0 : *ppklen = p8->pkey->value.sequence->length;
147 : : }
148 : : }
149 : : else
150 : : return 0;
151 [ + + ]: 2254 : if (pa)
152 : 41 : *pa = p8->pkeyalg;
153 : : return 1;
154 : : }
155 : :
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