3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
6 /* ====================================================================
7 * Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
21 * 3. All advertising materials mentioning features or use of this
22 * software must display the following acknowledgment:
23 * "This product includes software developed by the OpenSSL Project
24 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 * endorse or promote products derived from this software without
28 * prior written permission. For written permission, please contact
29 * licensing@OpenSSL.org.
31 * 5. Products derived from this software may not be called "OpenSSL"
32 * nor may "OpenSSL" appear in their names without prior written
33 * permission of the OpenSSL Project.
35 * 6. Redistributions of any form whatsoever must retain the following
37 * "This product includes software developed by the OpenSSL Project
38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com). This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com).
62 #include <openssl/asn1t.h>
63 #include <openssl/x509.h>
65 /* Minor tweak to operation: zero private key data */
66 static int pkey_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
69 /* Since the structure must still be valid use ASN1_OP_FREE_PRE */
70 if (operation == ASN1_OP_FREE_PRE) {
71 PKCS8_PRIV_KEY_INFO *key = (PKCS8_PRIV_KEY_INFO *)*pval;
72 if (key->pkey && key->pkey->type == V_ASN1_OCTET_STRING
73 && key->pkey->value.octet_string != NULL)
74 OPENSSL_cleanse(key->pkey->value.octet_string->data,
75 key->pkey->value.octet_string->length);
80 ASN1_SEQUENCE_cb(PKCS8_PRIV_KEY_INFO, pkey_cb) = {
81 ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, version, ASN1_INTEGER),
82 ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, pkeyalg, X509_ALGOR),
83 ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, pkey, ASN1_ANY),
84 ASN1_IMP_SET_OF_OPT(PKCS8_PRIV_KEY_INFO, attributes, X509_ATTRIBUTE, 0)
85 } ASN1_SEQUENCE_END_cb(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO)
87 IMPLEMENT_ASN1_FUNCTIONS(PKCS8_PRIV_KEY_INFO)
89 int PKCS8_pkey_set0(PKCS8_PRIV_KEY_INFO *priv, ASN1_OBJECT *aobj,
91 int ptype, void *pval, unsigned char *penc, int penclen)
93 unsigned char **ppenc = NULL;
95 if (!ASN1_INTEGER_set(priv->version, version))
100 ASN1_OCTET_STRING *oct;
101 oct = ASN1_OCTET_STRING_new();
106 oct->length = penclen;
107 if (priv->broken == PKCS8_NO_OCTET)
108 pmtype = V_ASN1_SEQUENCE;
110 pmtype = V_ASN1_OCTET_STRING;
111 ASN1_TYPE_set(priv->pkey, pmtype, oct);
113 if (!X509_ALGOR_set0(priv->pkeyalg, aobj, ptype, pval)) {
114 /* If call fails do not swallow 'enc' */
122 int PKCS8_pkey_get0(ASN1_OBJECT **ppkalg,
123 const unsigned char **pk, int *ppklen,
124 X509_ALGOR **pa, PKCS8_PRIV_KEY_INFO *p8)
127 *ppkalg = p8->pkeyalg->algorithm;
128 if (p8->pkey->type == V_ASN1_OCTET_STRING) {
129 p8->broken = PKCS8_OK;
131 *pk = p8->pkey->value.octet_string->data;
132 *ppklen = p8->pkey->value.octet_string->length;
134 } else if (p8->pkey->type == V_ASN1_SEQUENCE) {
135 p8->broken = PKCS8_NO_OCTET;
137 *pk = p8->pkey->value.sequence->data;
138 *ppklen = p8->pkey->value.sequence->length;