/src/openssl/crypto/pkcs12/p12_crpt.c
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1 | | /* p12_crpt.c */ |
2 | | /* |
3 | | * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project |
4 | | * 1999. |
5 | | */ |
6 | | /* ==================================================================== |
7 | | * Copyright (c) 1999 The OpenSSL Project. All rights reserved. |
8 | | * |
9 | | * Redistribution and use in source and binary forms, with or without |
10 | | * modification, are permitted provided that the following conditions |
11 | | * are met: |
12 | | * |
13 | | * 1. Redistributions of source code must retain the above copyright |
14 | | * notice, this list of conditions and the following disclaimer. |
15 | | * |
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 |
19 | | * distribution. |
20 | | * |
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/)" |
25 | | * |
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. |
30 | | * |
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. |
34 | | * |
35 | | * 6. Redistributions of any form whatsoever must retain the following |
36 | | * acknowledgment: |
37 | | * "This product includes software developed by the OpenSSL Project |
38 | | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
39 | | * |
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 | | * ==================================================================== |
53 | | * |
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). |
57 | | * |
58 | | */ |
59 | | |
60 | | #include <stdio.h> |
61 | | #include "cryptlib.h" |
62 | | #include <openssl/pkcs12.h> |
63 | | |
64 | | /* PKCS#12 PBE algorithms now in static table */ |
65 | | |
66 | | void PKCS12_PBE_add(void) |
67 | 0 | { |
68 | 0 | } |
69 | | |
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) |
73 | 0 | { |
74 | 0 | PBEPARAM *pbe; |
75 | 0 | int saltlen, iter, ret; |
76 | 0 | unsigned char *salt; |
77 | 0 | const unsigned char *pbuf; |
78 | 0 | unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH]; |
79 | |
|
80 | 0 | if (cipher == NULL) |
81 | 0 | return 0; |
82 | | |
83 | | /* Extract useful info from parameter */ |
84 | 0 | if (param == NULL || param->type != V_ASN1_SEQUENCE || |
85 | 0 | param->value.sequence == NULL) { |
86 | 0 | PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN, PKCS12_R_DECODE_ERROR); |
87 | 0 | return 0; |
88 | 0 | } |
89 | | |
90 | 0 | pbuf = param->value.sequence->data; |
91 | 0 | if (!(pbe = d2i_PBEPARAM(NULL, &pbuf, param->value.sequence->length))) { |
92 | 0 | PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN, PKCS12_R_DECODE_ERROR); |
93 | 0 | return 0; |
94 | 0 | } |
95 | | |
96 | 0 | if (!pbe->iter) |
97 | 0 | iter = 1; |
98 | 0 | else |
99 | 0 | iter = ASN1_INTEGER_get(pbe->iter); |
100 | 0 | salt = pbe->salt->data; |
101 | 0 | saltlen = pbe->salt->length; |
102 | 0 | if (!PKCS12_key_gen(pass, passlen, salt, saltlen, PKCS12_KEY_ID, |
103 | 0 | iter, EVP_CIPHER_key_length(cipher), key, md)) { |
104 | 0 | PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN, PKCS12_R_KEY_GEN_ERROR); |
105 | 0 | PBEPARAM_free(pbe); |
106 | 0 | return 0; |
107 | 0 | } |
108 | 0 | if (!PKCS12_key_gen(pass, passlen, salt, saltlen, PKCS12_IV_ID, |
109 | 0 | iter, EVP_CIPHER_iv_length(cipher), iv, md)) { |
110 | 0 | PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN, PKCS12_R_IV_GEN_ERROR); |
111 | 0 | PBEPARAM_free(pbe); |
112 | 0 | return 0; |
113 | 0 | } |
114 | 0 | PBEPARAM_free(pbe); |
115 | 0 | ret = EVP_CipherInit_ex(ctx, cipher, NULL, key, iv, en_de); |
116 | 0 | OPENSSL_cleanse(key, EVP_MAX_KEY_LENGTH); |
117 | 0 | OPENSSL_cleanse(iv, EVP_MAX_IV_LENGTH); |
118 | 0 | return ret; |
119 | 0 | } |