3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
6 /* ====================================================================
7 * Copyright (c) 1999 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>
64 #include <openssl/rand.h>
66 /* PKCS#5 password based encryption structure */
68 ASN1_SEQUENCE(PBEPARAM) = {
69 ASN1_SIMPLE(PBEPARAM, salt, ASN1_OCTET_STRING),
70 ASN1_SIMPLE(PBEPARAM, iter, ASN1_INTEGER)
71 } ASN1_SEQUENCE_END(PBEPARAM)
73 IMPLEMENT_ASN1_FUNCTIONS(PBEPARAM)
75 /* Return an algorithm identifier for a PKCS#5 PBE algorithm */
77 X509_ALGOR *PKCS5_pbe_set(int alg, int iter, unsigned char *salt, int saltlen)
82 ASN1_TYPE *astype = NULL;
84 if (!(pbe = PBEPARAM_new())) {
85 ASN1err(ASN1_F_PKCS5_PBE_SET, ERR_R_MALLOC_FAILURE);
89 iter = PKCS5_DEFAULT_ITER;
90 if (!ASN1_INTEGER_set(pbe->iter, iter)) {
91 ASN1err(ASN1_F_PKCS5_PBE_SET, ERR_R_MALLOC_FAILURE);
95 saltlen = PKCS5_SALT_LEN;
96 if (!(pbe->salt->data = OPENSSL_malloc(saltlen))) {
97 ASN1err(ASN1_F_PKCS5_PBE_SET, ERR_R_MALLOC_FAILURE);
100 pbe->salt->length = saltlen;
102 memcpy(pbe->salt->data, salt, saltlen);
103 else if (RAND_pseudo_bytes(pbe->salt->data, saltlen) < 0)
106 if (!(astype = ASN1_TYPE_new())) {
107 ASN1err(ASN1_F_PKCS5_PBE_SET, ERR_R_MALLOC_FAILURE);
111 astype->type = V_ASN1_SEQUENCE;
112 if (!ASN1_pack_string_of(PBEPARAM, pbe, i2d_PBEPARAM,
113 &astype->value.sequence)) {
114 ASN1err(ASN1_F_PKCS5_PBE_SET, ERR_R_MALLOC_FAILURE);
120 al = OBJ_nid2obj(alg); /* never need to free al */
121 if (!(algor = X509_ALGOR_new())) {
122 ASN1err(ASN1_F_PKCS5_PBE_SET, ERR_R_MALLOC_FAILURE);
125 ASN1_OBJECT_free(algor->algorithm);
126 algor->algorithm = al;
127 algor->parameter = astype;
134 ASN1_TYPE_free(astype);