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Diffstat (limited to 'src/lib/libcrypto/pkcs12/p12_key.c')
-rw-r--r--src/lib/libcrypto/pkcs12/p12_key.c199
1 files changed, 0 insertions, 199 deletions
diff --git a/src/lib/libcrypto/pkcs12/p12_key.c b/src/lib/libcrypto/pkcs12/p12_key.c
deleted file mode 100644
index 38f8a8194c..0000000000
--- a/src/lib/libcrypto/pkcs12/p12_key.c
+++ /dev/null
@@ -1,199 +0,0 @@
1/* $OpenBSD: p12_key.c,v 1.23 2015/09/10 15:56:25 jsing 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/bn.h>
63#include <openssl/err.h>
64#include <openssl/pkcs12.h>
65
66/* PKCS12 compatible key/IV generation */
67#ifndef min
68#define min(a,b) ((a) < (b) ? (a) : (b))
69#endif
70
71int
72PKCS12_key_gen_asc(const char *pass, int passlen, unsigned char *salt,
73 int saltlen, int id, int iter, int n, unsigned char *out,
74 const EVP_MD *md_type)
75{
76 int ret;
77 unsigned char *unipass;
78 int uniplen;
79
80 if (!pass) {
81 unipass = NULL;
82 uniplen = 0;
83 } else if (!OPENSSL_asc2uni(pass, passlen, &unipass, &uniplen)) {
84 PKCS12err(PKCS12_F_PKCS12_KEY_GEN_ASC, ERR_R_MALLOC_FAILURE);
85 return 0;
86 }
87 ret = PKCS12_key_gen_uni(unipass, uniplen, salt, saltlen,
88 id, iter, n, out, md_type);
89 if (ret <= 0)
90 return 0;
91 if (unipass) {
92 explicit_bzero(unipass, uniplen);
93 free(unipass);
94 }
95 return ret;
96}
97
98int
99PKCS12_key_gen_uni(unsigned char *pass, int passlen, unsigned char *salt,
100 int saltlen, int id, int iter, int n, unsigned char *out,
101 const EVP_MD *md_type)
102{
103 unsigned char *B, *D, *I, *p, *Ai;
104 int Slen, Plen, Ilen, Ijlen;
105 int i, j, u, v;
106 int ret = 0;
107 BIGNUM *Ij, *Bpl1; /* These hold Ij and B + 1 */
108 EVP_MD_CTX ctx;
109
110 EVP_MD_CTX_init(&ctx);
111 v = EVP_MD_block_size(md_type);
112 u = EVP_MD_size(md_type);
113 if (u < 0)
114 return 0;
115 D = malloc(v);
116 Ai = malloc(u);
117 B = malloc(v + 1);
118 Slen = v * ((saltlen + v - 1) / v);
119 if (passlen)
120 Plen = v * ((passlen + v - 1)/v);
121 else
122 Plen = 0;
123 Ilen = Slen + Plen;
124 I = malloc(Ilen);
125 Ij = BN_new();
126 Bpl1 = BN_new();
127 if (!D || !Ai || !B || !I || !Ij || !Bpl1)
128 goto err;
129 for (i = 0; i < v; i++)
130 D[i] = id;
131 p = I;
132 for (i = 0; i < Slen; i++)
133 *p++ = salt[i % saltlen];
134 for (i = 0; i < Plen; i++)
135 *p++ = pass[i % passlen];
136 for (;;) {
137 if (!EVP_DigestInit_ex(&ctx, md_type, NULL) ||
138 !EVP_DigestUpdate(&ctx, D, v) ||
139 !EVP_DigestUpdate(&ctx, I, Ilen) ||
140 !EVP_DigestFinal_ex(&ctx, Ai, NULL))
141 goto err;
142 for (j = 1; j < iter; j++) {
143 if (!EVP_DigestInit_ex(&ctx, md_type, NULL) ||
144 !EVP_DigestUpdate(&ctx, Ai, u) ||
145 !EVP_DigestFinal_ex(&ctx, Ai, NULL))
146 goto err;
147 }
148 memcpy (out, Ai, min (n, u));
149 if (u >= n) {
150 ret = 1;
151 goto end;
152 }
153 n -= u;
154 out += u;
155 for (j = 0; j < v; j++)
156 B[j] = Ai[j % u];
157 /* Work out B + 1 first then can use B as tmp space */
158 if (!BN_bin2bn (B, v, Bpl1))
159 goto err;
160 if (!BN_add_word (Bpl1, 1))
161 goto err;
162 for (j = 0; j < Ilen; j += v) {
163 if (!BN_bin2bn(I + j, v, Ij))
164 goto err;
165 if (!BN_add(Ij, Ij, Bpl1))
166 goto err;
167 if (!BN_bn2bin(Ij, B))
168 goto err;
169 Ijlen = BN_num_bytes (Ij);
170 /* If more than 2^(v*8) - 1 cut off MSB */
171 if (Ijlen > v) {
172 if (!BN_bn2bin (Ij, B))
173 goto err;
174 memcpy (I + j, B + 1, v);
175#ifndef PKCS12_BROKEN_KEYGEN
176 /* If less than v bytes pad with zeroes */
177 } else if (Ijlen < v) {
178 memset(I + j, 0, v - Ijlen);
179 if (!BN_bn2bin(Ij, I + j + v - Ijlen))
180 goto err;
181#endif
182 } else if (!BN_bn2bin (Ij, I + j))
183 goto err;
184 }
185 }
186
187err:
188 PKCS12err(PKCS12_F_PKCS12_KEY_GEN_UNI, ERR_R_MALLOC_FAILURE);
189
190end:
191 free(Ai);
192 free(B);
193 free(D);
194 free(I);
195 BN_free(Ij);
196 BN_free(Bpl1);
197 EVP_MD_CTX_cleanup(&ctx);
198 return ret;
199}