Branch data Line data Source code
1 : : /* p12_crpt.c */
2 : : /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 : : * project 1999.
4 : : */
5 : : /* ====================================================================
6 : : * Copyright (c) 1999 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/pkcs12.h>
62 : :
63 : : /* PKCS#12 PBE algorithms now in static table */
64 : :
65 : 0 : void PKCS12_PBE_add(void)
66 : : {
67 : 0 : }
68 : :
69 : 0 : int PKCS12_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
70 : : ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md, int en_de)
71 : : {
72 : : PBEPARAM *pbe;
73 : : int saltlen, iter, ret;
74 : : unsigned char *salt;
75 : : const unsigned char *pbuf;
76 : : unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH];
77 : :
78 : : /* Extract useful info from parameter */
79 [ # # ][ # # ]: 0 : if (param == NULL || param->type != V_ASN1_SEQUENCE ||
[ # # ]
80 : 0 : param->value.sequence == NULL) {
81 : 0 : PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_DECODE_ERROR);
82 : 0 : return 0;
83 : : }
84 : :
85 : 0 : pbuf = param->value.sequence->data;
86 [ # # ]: 0 : if (!(pbe = d2i_PBEPARAM(NULL, &pbuf, param->value.sequence->length))) {
87 : 0 : PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_DECODE_ERROR);
88 : 0 : return 0;
89 : : }
90 : :
91 [ # # ]: 0 : if (!pbe->iter) iter = 1;
92 : 0 : else iter = ASN1_INTEGER_get (pbe->iter);
93 : 0 : salt = pbe->salt->data;
94 : 0 : saltlen = pbe->salt->length;
95 [ # # ]: 0 : if (!PKCS12_key_gen (pass, passlen, salt, saltlen, PKCS12_KEY_ID,
96 : : iter, EVP_CIPHER_key_length(cipher), key, md)) {
97 : 0 : PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_KEY_GEN_ERROR);
98 : 0 : PBEPARAM_free(pbe);
99 : 0 : return 0;
100 : : }
101 [ # # ]: 0 : if (!PKCS12_key_gen (pass, passlen, salt, saltlen, PKCS12_IV_ID,
102 : : iter, EVP_CIPHER_iv_length(cipher), iv, md)) {
103 : 0 : PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_IV_GEN_ERROR);
104 : 0 : PBEPARAM_free(pbe);
105 : 0 : return 0;
106 : : }
107 : 0 : PBEPARAM_free(pbe);
108 : 0 : ret = EVP_CipherInit_ex(ctx, cipher, NULL, key, iv, en_de);
109 : 0 : OPENSSL_cleanse(key, EVP_MAX_KEY_LENGTH);
110 : 0 : OPENSSL_cleanse(iv, EVP_MAX_IV_LENGTH);
111 : 0 : return ret;
112 : : }
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