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-rw-r--r--src/lib/libcrypto/evp/p5_crpt.c157
1 files changed, 0 insertions, 157 deletions
diff --git a/src/lib/libcrypto/evp/p5_crpt.c b/src/lib/libcrypto/evp/p5_crpt.c
deleted file mode 100644
index 7a56a3d4ad..0000000000
--- a/src/lib/libcrypto/evp/p5_crpt.c
+++ /dev/null
@@ -1,157 +0,0 @@
1/* $OpenBSD: p5_crpt.c,v 1.25 2024/01/27 16:36:17 tb 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 <stdlib.h>
61#include <string.h>
62
63#include <openssl/err.h>
64#include <openssl/evp.h>
65#include <openssl/x509.h>
66
67#include "evp_local.h"
68
69int
70PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *cctx, const char *pass, int passlen,
71 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md, int en_de)
72{
73 EVP_MD_CTX ctx;
74 unsigned char md_tmp[EVP_MAX_MD_SIZE];
75 unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH];
76 int i;
77 PBEPARAM *pbe;
78 int saltlen, iter;
79 unsigned char *salt;
80 const unsigned char *pbuf;
81 int mdsize;
82 int rv = 0;
83
84 /* Extract useful info from parameter */
85 if (param == NULL || param->type != V_ASN1_SEQUENCE ||
86 param->value.sequence == NULL) {
87 EVPerror(EVP_R_DECODE_ERROR);
88 return 0;
89 }
90
91 mdsize = EVP_MD_size(md);
92 if (mdsize < 0)
93 return 0;
94
95 pbuf = param->value.sequence->data;
96 if (!(pbe = d2i_PBEPARAM(NULL, &pbuf, param->value.sequence->length))) {
97 EVPerror(EVP_R_DECODE_ERROR);
98 return 0;
99 }
100
101 if (!pbe->iter)
102 iter = 1;
103 else if ((iter = ASN1_INTEGER_get(pbe->iter)) <= 0) {
104 EVPerror(EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS);
105 PBEPARAM_free(pbe);
106 return 0;
107 }
108 salt = pbe->salt->data;
109 saltlen = pbe->salt->length;
110
111 if (!pass)
112 passlen = 0;
113 else if (passlen == -1)
114 passlen = strlen(pass);
115
116 EVP_MD_CTX_init(&ctx);
117
118 if (!EVP_DigestInit_ex(&ctx, md, NULL))
119 goto err;
120 if (!EVP_DigestUpdate(&ctx, pass, passlen))
121 goto err;
122 if (!EVP_DigestUpdate(&ctx, salt, saltlen))
123 goto err;
124 if (!EVP_DigestFinal_ex(&ctx, md_tmp, NULL))
125 goto err;
126 for (i = 1; i < iter; i++) {
127 if (!EVP_DigestInit_ex(&ctx, md, NULL))
128 goto err;
129 if (!EVP_DigestUpdate(&ctx, md_tmp, mdsize))
130 goto err;
131 if (!EVP_DigestFinal_ex (&ctx, md_tmp, NULL))
132 goto err;
133 }
134 if ((size_t)EVP_CIPHER_key_length(cipher) > sizeof(md_tmp)) {
135 EVPerror(EVP_R_BAD_KEY_LENGTH);
136 goto err;
137 }
138 memcpy(key, md_tmp, EVP_CIPHER_key_length(cipher));
139 if ((size_t)EVP_CIPHER_iv_length(cipher) > 16) {
140 EVPerror(EVP_R_IV_TOO_LARGE);
141 goto err;
142 }
143 memcpy(iv, md_tmp + (16 - EVP_CIPHER_iv_length(cipher)),
144 EVP_CIPHER_iv_length(cipher));
145 if (!EVP_CipherInit_ex(cctx, cipher, NULL, key, iv, en_de))
146 goto err;
147 explicit_bzero(md_tmp, EVP_MAX_MD_SIZE);
148 explicit_bzero(key, EVP_MAX_KEY_LENGTH);
149 explicit_bzero(iv, EVP_MAX_IV_LENGTH);
150
151 rv = 1;
152 err:
153 EVP_MD_CTX_cleanup(&ctx);
154 PBEPARAM_free(pbe);
155
156 return rv;
157}
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