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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 void PKCS12_PBE_add(void) | |
66 { | |
67 } | |
68 | |
69 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, in
t 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 if (param == NULL || param->type != V_ASN1_SEQUENCE || | |
80 param->value.sequence == NULL) { | |
81 PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_DECODE_ERROR); | |
82 return 0; | |
83 } | |
84 | |
85 pbuf = param->value.sequence->data; | |
86 if (!(pbe = d2i_PBEPARAM(NULL, &pbuf, param->value.sequence->length))) { | |
87 PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_DECODE_ERROR); | |
88 return 0; | |
89 } | |
90 | |
91 if (!pbe->iter) iter = 1; | |
92 else iter = ASN1_INTEGER_get (pbe->iter); | |
93 salt = pbe->salt->data; | |
94 saltlen = pbe->salt->length; | |
95 if (!PKCS12_key_gen (pass, passlen, salt, saltlen, PKCS12_KEY_ID, | |
96 iter, EVP_CIPHER_key_length(cipher), key, md)) { | |
97 PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_KEY_GEN_ERROR); | |
98 PBEPARAM_free(pbe); | |
99 return 0; | |
100 } | |
101 if (!PKCS12_key_gen (pass, passlen, salt, saltlen, PKCS12_IV_ID, | |
102 iter, EVP_CIPHER_iv_length(cipher), iv, md)) { | |
103 PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_IV_GEN_ERROR); | |
104 PBEPARAM_free(pbe); | |
105 return 0; | |
106 } | |
107 PBEPARAM_free(pbe); | |
108 ret = EVP_CipherInit_ex(ctx, cipher, NULL, key, iv, en_de); | |
109 OPENSSL_cleanse(key, EVP_MAX_KEY_LENGTH); | |
110 OPENSSL_cleanse(iv, EVP_MAX_IV_LENGTH); | |
111 return ret; | |
112 } | |
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