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p12_crpt.c

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1/* $OpenBSD: p12_crpt.c,v 1.14 2017/01/29 17:49:23 beck Exp $ */-
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 <string.h>-
61-
62#include <openssl/err.h>-
63#include <openssl/pkcs12.h>-
64-
65/* PKCS#12 PBE algorithms now in static table */-
66-
67void-
68PKCS12_PBE_add(void)-
69{-
70}-
71-
72int-
73PKCS12_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,-
74 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md, int en_de)-
75{-
76 PBEPARAM *pbe;-
77 int saltlen, iter, ret;-
78 unsigned char *salt;-
79 const unsigned char *pbuf;-
80 unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH];-
81-
82 /* Extract useful info from parameter */-
83 if (param == NULL || param->type != V_ASN1_SEQUENCE ||
param == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
param->type != 16Description
TRUEnever evaluated
FALSEnever evaluated
0
84 param->value.sequence == NULL) {
param->value.s...== ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
85 PKCS12error(PKCS12_R_DECODE_ERROR);-
86 return 0;
never executed: return 0;
0
87 }-
88-
89 pbuf = param->value.sequence->data;-
90 if (!(pbe = d2i_PBEPARAM(NULL, &pbuf, param->value.sequence->length))) {
!(pbe = d2i_PB...ence->length))Description
TRUEnever evaluated
FALSEnever evaluated
0
91 PKCS12error(PKCS12_R_DECODE_ERROR);-
92 return 0;
never executed: return 0;
0
93 }-
94-
95 if (!pbe->iter)
!pbe->iterDescription
TRUEnever evaluated
FALSEnever evaluated
0
96 iter = 1;
never executed: iter = 1;
0
97 else if ((iter = ASN1_INTEGER_get(pbe->iter)) <= 0) {
(iter = ASN1_I...e->iter)) <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
98 PKCS12error(PKCS12_R_DECODE_ERROR);-
99 PBEPARAM_free(pbe);-
100 return 0;
never executed: return 0;
0
101 }-
102 salt = pbe->salt->data;-
103 saltlen = pbe->salt->length;-
104 if (!PKCS12_key_gen (pass, passlen, salt, saltlen, PKCS12_KEY_ID,
!PKCS12_key_ge...her), key, md)Description
TRUEnever evaluated
FALSEnever evaluated
0
105 iter, EVP_CIPHER_key_length(cipher), key, md)) {
!PKCS12_key_ge...her), key, md)Description
TRUEnever evaluated
FALSEnever evaluated
0
106 PKCS12error(PKCS12_R_KEY_GEN_ERROR);-
107 PBEPARAM_free(pbe);-
108 return 0;
never executed: return 0;
0
109 }-
110 if (!PKCS12_key_gen (pass, passlen, salt, saltlen, PKCS12_IV_ID,
!PKCS12_key_ge...pher), iv, md)Description
TRUEnever evaluated
FALSEnever evaluated
0
111 iter, EVP_CIPHER_iv_length(cipher), iv, md)) {
!PKCS12_key_ge...pher), iv, md)Description
TRUEnever evaluated
FALSEnever evaluated
0
112 PKCS12error(PKCS12_R_IV_GEN_ERROR);-
113 PBEPARAM_free(pbe);-
114 return 0;
never executed: return 0;
0
115 }-
116 PBEPARAM_free(pbe);-
117 ret = EVP_CipherInit_ex(ctx, cipher, NULL, key, iv, en_de);-
118 explicit_bzero(key, EVP_MAX_KEY_LENGTH);-
119 explicit_bzero(iv, EVP_MAX_IV_LENGTH);-
120 return ret;
never executed: return ret;
0
121}-
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