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-rw-r--r--src/lib/libcrypto/evp/evp_key.c206
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diff --git a/src/lib/libcrypto/evp/evp_key.c b/src/lib/libcrypto/evp/evp_key.c
deleted file mode 100644
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1/* $OpenBSD: evp_key.c,v 1.22 2015/02/10 09:55:39 miod Exp $ */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#include <stdio.h>
60#include <string.h>
61
62#include <openssl/err.h>
63#include <openssl/evp.h>
64#include <openssl/objects.h>
65#include <openssl/ui.h>
66#include <openssl/x509.h>
67
68/* should be init to zeros. */
69static char prompt_string[80];
70
71void
72EVP_set_pw_prompt(const char *prompt)
73{
74 if (prompt == NULL)
75 prompt_string[0] = '\0';
76 else {
77 strlcpy(prompt_string, prompt, sizeof(prompt_string));
78 }
79}
80
81char *
82EVP_get_pw_prompt(void)
83{
84 if (prompt_string[0] == '\0')
85 return (NULL);
86 else
87 return (prompt_string);
88}
89
90int
91EVP_read_pw_string(char *buf, int len, const char *prompt, int verify)
92{
93 return EVP_read_pw_string_min(buf, 0, len, prompt, verify);
94}
95
96int
97EVP_read_pw_string_min(char *buf, int min, int len, const char *prompt,
98 int verify)
99{
100 int ret;
101 char buff[BUFSIZ];
102 UI *ui;
103
104 if ((prompt == NULL) && (prompt_string[0] != '\0'))
105 prompt = prompt_string;
106 ui = UI_new();
107 if (ui == NULL)
108 return -1;
109 if (UI_add_input_string(ui, prompt, 0, buf, min,
110 (len >= BUFSIZ) ? BUFSIZ - 1 : len) < 0)
111 return -1;
112 if (verify) {
113 if (UI_add_verify_string(ui, prompt, 0, buff, min,
114 (len >= BUFSIZ) ? BUFSIZ - 1 : len, buf) < 0)
115 return -1;
116 }
117 ret = UI_process(ui);
118 UI_free(ui);
119 OPENSSL_cleanse(buff, BUFSIZ);
120 return ret;
121}
122
123int
124EVP_BytesToKey(const EVP_CIPHER *type, const EVP_MD *md,
125 const unsigned char *salt, const unsigned char *data, int datal,
126 int count, unsigned char *key, unsigned char *iv)
127{
128 EVP_MD_CTX c;
129 unsigned char md_buf[EVP_MAX_MD_SIZE];
130 int niv, nkey, addmd = 0;
131 unsigned int mds = 0, i;
132 int rv = 0;
133
134 nkey = type->key_len;
135 niv = type->iv_len;
136
137 if ((size_t)nkey > EVP_MAX_KEY_LENGTH) {
138 EVPerr(EVP_F_EVP_BYTESTOKEY, EVP_R_BAD_KEY_LENGTH);
139 return 0;
140 }
141 if ((size_t)niv > EVP_MAX_IV_LENGTH) {
142 EVPerr(EVP_F_EVP_BYTESTOKEY, EVP_R_IV_TOO_LARGE);
143 return 0;
144 }
145
146 if (data == NULL)
147 return (nkey);
148
149 EVP_MD_CTX_init(&c);
150 for (;;) {
151 if (!EVP_DigestInit_ex(&c, md, NULL))
152 goto err;
153 if (addmd++)
154 if (!EVP_DigestUpdate(&c, &(md_buf[0]), mds))
155 goto err;
156 if (!EVP_DigestUpdate(&c, data, datal))
157 goto err;
158 if (salt != NULL)
159 if (!EVP_DigestUpdate(&c, salt, PKCS5_SALT_LEN))
160 goto err;
161 if (!EVP_DigestFinal_ex(&c, &(md_buf[0]), &mds))
162 goto err;
163
164 for (i = 1; i < (unsigned int)count; i++) {
165 if (!EVP_DigestInit_ex(&c, md, NULL))
166 goto err;
167 if (!EVP_DigestUpdate(&c, &(md_buf[0]), mds))
168 goto err;
169 if (!EVP_DigestFinal_ex(&c, &(md_buf[0]), &mds))
170 goto err;
171 }
172 i = 0;
173 if (nkey) {
174 for (;;) {
175 if (nkey == 0)
176 break;
177 if (i == mds)
178 break;
179 if (key != NULL)
180 *(key++) = md_buf[i];
181 nkey--;
182 i++;
183 }
184 }
185 if (niv && (i != mds)) {
186 for (;;) {
187 if (niv == 0)
188 break;
189 if (i == mds)
190 break;
191 if (iv != NULL)
192 *(iv++) = md_buf[i];
193 niv--;
194 i++;
195 }
196 }
197 if ((nkey == 0) && (niv == 0))
198 break;
199 }
200 rv = type->key_len;
201
202err:
203 EVP_MD_CTX_cleanup(&c);
204 OPENSSL_cleanse(md_buf, sizeof md_buf);
205 return rv;
206}
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