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/pkcs12.h>
64 /* PKCS#12 PBE algorithms now in static table */
66 void PKCS12_PBE_add(void)
70 int PKCS12_PBE_keyivgen(EVP_CIPHER_CTX
*ctx
, const char *pass
, int passlen
,
71 ASN1_TYPE
*param
, const EVP_CIPHER
*cipher
,
72 const EVP_MD
*md
, int en_de
)
75 int saltlen
, iter
, ret
;
77 const unsigned char *pbuf
;
78 unsigned char key
[EVP_MAX_KEY_LENGTH
], iv
[EVP_MAX_IV_LENGTH
];
83 /* Extract useful info from parameter */
84 if (param
== NULL
|| param
->type
!= V_ASN1_SEQUENCE
||
85 param
->value
.sequence
== NULL
) {
86 PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN
, PKCS12_R_DECODE_ERROR
);
90 pbuf
= param
->value
.sequence
->data
;
91 if (!(pbe
= d2i_PBEPARAM(NULL
, &pbuf
, param
->value
.sequence
->length
))) {
92 PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN
, PKCS12_R_DECODE_ERROR
);
99 iter
= ASN1_INTEGER_get(pbe
->iter
);
100 salt
= pbe
->salt
->data
;
101 saltlen
= pbe
->salt
->length
;
102 if (!PKCS12_key_gen(pass
, passlen
, salt
, saltlen
, PKCS12_KEY_ID
,
103 iter
, EVP_CIPHER_key_length(cipher
), key
, md
)) {
104 PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN
, PKCS12_R_KEY_GEN_ERROR
);
108 if (!PKCS12_key_gen(pass
, passlen
, salt
, saltlen
, PKCS12_IV_ID
,
109 iter
, EVP_CIPHER_iv_length(cipher
), iv
, md
)) {
110 PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN
, PKCS12_R_IV_GEN_ERROR
);
115 ret
= EVP_CipherInit_ex(ctx
, cipher
, NULL
, key
, iv
, en_de
);
116 OPENSSL_cleanse(key
, EVP_MAX_KEY_LENGTH
);
117 OPENSSL_cleanse(iv
, EVP_MAX_IV_LENGTH
);