2 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
5 /* ====================================================================
6 * Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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 * ====================================================================
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).
61 #include "internal/cryptlib.h"
62 #include <openssl/x509.h>
63 #include <openssl/rand.h>
64 #include "internal/asn1_int.h"
65 #include "internal/evp_int.h"
66 #include "internal/x509_int.h"
68 /* Extract a private key from a PKCS8 structure */
70 EVP_PKEY *EVP_PKCS82PKEY(PKCS8_PRIV_KEY_INFO *p8)
72 EVP_PKEY *pkey = NULL;
76 if (!PKCS8_pkey_get0(&algoid, NULL, NULL, NULL, p8))
79 if ((pkey = EVP_PKEY_new()) == NULL) {
80 EVPerr(EVP_F_EVP_PKCS82PKEY, ERR_R_MALLOC_FAILURE);
84 if (!EVP_PKEY_set_type(pkey, OBJ_obj2nid(algoid))) {
85 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
86 i2t_ASN1_OBJECT(obj_tmp, 80, algoid);
87 ERR_add_error_data(2, "TYPE=", obj_tmp);
91 if (pkey->ameth->priv_decode) {
92 if (!pkey->ameth->priv_decode(pkey, p8)) {
93 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_PRIVATE_KEY_DECODE_ERROR);
97 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_METHOD_NOT_SUPPORTED);
108 /* Turn a private key into a PKCS8 structure */
110 PKCS8_PRIV_KEY_INFO *EVP_PKEY2PKCS8(EVP_PKEY *pkey)
112 PKCS8_PRIV_KEY_INFO *p8 = PKCS8_PRIV_KEY_INFO_new();
114 EVPerr(EVP_F_EVP_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
119 if (pkey->ameth->priv_encode) {
120 if (!pkey->ameth->priv_encode(p8, pkey)) {
121 EVPerr(EVP_F_EVP_PKEY2PKCS8, EVP_R_PRIVATE_KEY_ENCODE_ERROR);
125 EVPerr(EVP_F_EVP_PKEY2PKCS8, EVP_R_METHOD_NOT_SUPPORTED);
129 EVPerr(EVP_F_EVP_PKEY2PKCS8, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
132 RAND_add(p8->pkey->data, p8->pkey->length, 0.0);
135 PKCS8_PRIV_KEY_INFO_free(p8);
139 /* EVP_PKEY attribute functions */
141 int EVP_PKEY_get_attr_count(const EVP_PKEY *key)
143 return X509at_get_attr_count(key->attributes);
146 int EVP_PKEY_get_attr_by_NID(const EVP_PKEY *key, int nid, int lastpos)
148 return X509at_get_attr_by_NID(key->attributes, nid, lastpos);
151 int EVP_PKEY_get_attr_by_OBJ(const EVP_PKEY *key, ASN1_OBJECT *obj,
154 return X509at_get_attr_by_OBJ(key->attributes, obj, lastpos);
157 X509_ATTRIBUTE *EVP_PKEY_get_attr(const EVP_PKEY *key, int loc)
159 return X509at_get_attr(key->attributes, loc);
162 X509_ATTRIBUTE *EVP_PKEY_delete_attr(EVP_PKEY *key, int loc)
164 return X509at_delete_attr(key->attributes, loc);
167 int EVP_PKEY_add1_attr(EVP_PKEY *key, X509_ATTRIBUTE *attr)
169 if (X509at_add1_attr(&key->attributes, attr))
174 int EVP_PKEY_add1_attr_by_OBJ(EVP_PKEY *key,
175 const ASN1_OBJECT *obj, int type,
176 const unsigned char *bytes, int len)
178 if (X509at_add1_attr_by_OBJ(&key->attributes, obj, type, bytes, len))
183 int EVP_PKEY_add1_attr_by_NID(EVP_PKEY *key,
185 const unsigned char *bytes, int len)
187 if (X509at_add1_attr_by_NID(&key->attributes, nid, type, bytes, len))
192 int EVP_PKEY_add1_attr_by_txt(EVP_PKEY *key,
193 const char *attrname, int type,
194 const unsigned char *bytes, int len)
196 if (X509at_add1_attr_by_txt(&key->attributes, attrname, type, bytes, len))