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8d8c7266 DSH |
1 | /* p12_crpt.c */ |
2 | /* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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> | |
ee0508d4 | 60 | #include "cryptlib.h" |
ec577822 | 61 | #include <openssl/pkcs12.h> |
8d8c7266 DSH |
62 | |
63 | /* PKCS#12 specific PBE functions */ | |
64 | ||
6b691a5c | 65 | void PKCS12_PBE_add(void) |
8d8c7266 | 66 | { |
cf1b7d96 | 67 | #ifndef OPENSSL_NO_RC4 |
8d8c7266 DSH |
68 | EVP_PBE_alg_add(NID_pbe_WithSHA1And128BitRC4, EVP_rc4(), EVP_sha1(), |
69 | PKCS12_PBE_keyivgen); | |
70 | EVP_PBE_alg_add(NID_pbe_WithSHA1And40BitRC4, EVP_rc4_40(), EVP_sha1(), | |
71 | PKCS12_PBE_keyivgen); | |
f5d7a031 | 72 | #endif |
cf1b7d96 | 73 | #ifndef OPENSSL_NO_DES |
8d8c7266 DSH |
74 | EVP_PBE_alg_add(NID_pbe_WithSHA1And3_Key_TripleDES_CBC, |
75 | EVP_des_ede3_cbc(), EVP_sha1(), PKCS12_PBE_keyivgen); | |
76 | EVP_PBE_alg_add(NID_pbe_WithSHA1And2_Key_TripleDES_CBC, | |
77 | EVP_des_ede_cbc(), EVP_sha1(), PKCS12_PBE_keyivgen); | |
4f230524 | 78 | #endif |
cf1b7d96 | 79 | #ifndef OPENSSL_NO_RC2 |
8d8c7266 DSH |
80 | EVP_PBE_alg_add(NID_pbe_WithSHA1And128BitRC2_CBC, EVP_rc2_cbc(), |
81 | EVP_sha1(), PKCS12_PBE_keyivgen); | |
82 | EVP_PBE_alg_add(NID_pbe_WithSHA1And40BitRC2_CBC, EVP_rc2_40_cbc(), | |
83 | EVP_sha1(), PKCS12_PBE_keyivgen); | |
f5d7a031 | 84 | #endif |
8d8c7266 DSH |
85 | } |
86 | ||
8afca8d9 | 87 | int PKCS12_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen, |
13588350 | 88 | ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md, int en_de) |
8d8c7266 | 89 | { |
69cbf468 | 90 | PBEPARAM *pbe; |
9d2996b8 | 91 | int saltlen, iter, ret; |
875a644a RL |
92 | unsigned char *salt; |
93 | const unsigned char *pbuf; | |
2bd83ca1 | 94 | unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH]; |
69cbf468 DSH |
95 | |
96 | /* Extract useful info from parameter */ | |
c755c5fd NL |
97 | if (param == NULL || param->type != V_ASN1_SEQUENCE || |
98 | param->value.sequence == NULL) { | |
99 | PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_DECODE_ERROR); | |
100 | return 0; | |
101 | } | |
102 | ||
69cbf468 | 103 | pbuf = param->value.sequence->data; |
c755c5fd | 104 | if (!(pbe = d2i_PBEPARAM(NULL, &pbuf, param->value.sequence->length))) { |
8afca8d9 | 105 | PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_DECODE_ERROR); |
69cbf468 DSH |
106 | return 0; |
107 | } | |
108 | ||
109 | if (!pbe->iter) iter = 1; | |
110 | else iter = ASN1_INTEGER_get (pbe->iter); | |
111 | salt = pbe->salt->data; | |
112 | saltlen = pbe->salt->length; | |
8d8c7266 | 113 | if (!PKCS12_key_gen (pass, passlen, salt, saltlen, PKCS12_KEY_ID, |
61f5b6f3 | 114 | iter, EVP_CIPHER_key_length(cipher), key, md)) { |
8d8c7266 | 115 | PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_KEY_GEN_ERROR); |
69cbf468 | 116 | PBEPARAM_free(pbe); |
8d8c7266 DSH |
117 | return 0; |
118 | } | |
119 | if (!PKCS12_key_gen (pass, passlen, salt, saltlen, PKCS12_IV_ID, | |
120 | iter, EVP_CIPHER_iv_length(cipher), iv, md)) { | |
121 | PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_IV_GEN_ERROR); | |
69cbf468 | 122 | PBEPARAM_free(pbe); |
8d8c7266 DSH |
123 | return 0; |
124 | } | |
69cbf468 | 125 | PBEPARAM_free(pbe); |
9d2996b8 | 126 | ret = EVP_CipherInit_ex(ctx, cipher, NULL, key, iv, en_de); |
4579924b RL |
127 | OPENSSL_cleanse(key, EVP_MAX_KEY_LENGTH); |
128 | OPENSSL_cleanse(iv, EVP_MAX_IV_LENGTH); | |
9d2996b8 | 129 | return ret; |
8d8c7266 | 130 | } |