1 /* $OpenBSD: aes_wrap.c,v 1.5 2021/04/04 20:40:48 tb Exp $ */
2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project.
4 */
5 /* ====================================================================
6 * Copyright (c) 2008 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
54 #include <stdio.h>
55 #include <stdlib.h>
56 #include <string.h>
57
58 #include <openssl/aes.h>
59
60 int AES_wrap_unwrap_test(const unsigned char *, int, const unsigned char *,
61 const unsigned char *, const unsigned char *, int);
62
63 int
AES_wrap_unwrap_test(const unsigned char * kek,int keybits,const unsigned char * iv,const unsigned char * eout,const unsigned char * key,int keylen)64 AES_wrap_unwrap_test(const unsigned char *kek, int keybits,
65 const unsigned char *iv, const unsigned char *eout,
66 const unsigned char *key, int keylen)
67 {
68 unsigned char *otmp = NULL, *ptmp = NULL;
69 int r, ret = 0;
70 AES_KEY wctx;
71
72 otmp = malloc(keylen + 8);
73 ptmp = malloc(keylen);
74 if (otmp == NULL || ptmp == NULL)
75 goto err;
76 if (AES_set_encrypt_key(kek, keybits, &wctx))
77 goto err;
78 r = AES_wrap_key(&wctx, iv, otmp, key, keylen);
79 if (r <= 0)
80 goto err;
81
82 if (eout && memcmp(eout, otmp, keylen))
83 goto err;
84
85 if (AES_set_decrypt_key(kek, keybits, &wctx))
86 goto err;
87 r = AES_unwrap_key(&wctx, iv, ptmp, otmp, r);
88 if (r <= 0)
89 goto err;
90
91 if (memcmp(key, ptmp, keylen))
92 goto err;
93
94 ret = 1;
95
96 err:
97 free(otmp);
98 free(ptmp);
99
100 return ret;
101 }
102
103 int
main(int argc,char ** argv)104 main(int argc, char **argv)
105 {
106 static const unsigned char kek[] = {
107 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
108 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
109 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
110 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f
111 };
112
113 static const unsigned char key[] = {
114 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
115 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff,
116 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
117 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f
118 };
119
120 static const unsigned char e1[] = {
121 0x1f, 0xa6, 0x8b, 0x0a, 0x81, 0x12, 0xb4, 0x47,
122 0xae, 0xf3, 0x4b, 0xd8, 0xfb, 0x5a, 0x7b, 0x82,
123 0x9d, 0x3e, 0x86, 0x23, 0x71, 0xd2, 0xcf, 0xe5
124 };
125
126 static const unsigned char e2[] = {
127 0x96, 0x77, 0x8b, 0x25, 0xae, 0x6c, 0xa4, 0x35,
128 0xf9, 0x2b, 0x5b, 0x97, 0xc0, 0x50, 0xae, 0xd2,
129 0x46, 0x8a, 0xb8, 0xa1, 0x7a, 0xd8, 0x4e, 0x5d
130 };
131
132 static const unsigned char e3[] = {
133 0x64, 0xe8, 0xc3, 0xf9, 0xce, 0x0f, 0x5b, 0xa2,
134 0x63, 0xe9, 0x77, 0x79, 0x05, 0x81, 0x8a, 0x2a,
135 0x93, 0xc8, 0x19, 0x1e, 0x7d, 0x6e, 0x8a, 0xe7
136 };
137
138 static const unsigned char e4[] = {
139 0x03, 0x1d, 0x33, 0x26, 0x4e, 0x15, 0xd3, 0x32,
140 0x68, 0xf2, 0x4e, 0xc2, 0x60, 0x74, 0x3e, 0xdc,
141 0xe1, 0xc6, 0xc7, 0xdd, 0xee, 0x72, 0x5a, 0x93,
142 0x6b, 0xa8, 0x14, 0x91, 0x5c, 0x67, 0x62, 0xd2
143 };
144
145 static const unsigned char e5[] = {
146 0xa8, 0xf9, 0xbc, 0x16, 0x12, 0xc6, 0x8b, 0x3f,
147 0xf6, 0xe6, 0xf4, 0xfb, 0xe3, 0x0e, 0x71, 0xe4,
148 0x76, 0x9c, 0x8b, 0x80, 0xa3, 0x2c, 0xb8, 0x95,
149 0x8c, 0xd5, 0xd1, 0x7d, 0x6b, 0x25, 0x4d, 0xa1
150 };
151
152 static const unsigned char e6[] = {
153 0x28, 0xc9, 0xf4, 0x04, 0xc4, 0xb8, 0x10, 0xf4,
154 0xcb, 0xcc, 0xb3, 0x5c, 0xfb, 0x87, 0xf8, 0x26,
155 0x3f, 0x57, 0x86, 0xe2, 0xd8, 0x0e, 0xd3, 0x26,
156 0xcb, 0xc7, 0xf0, 0xe7, 0x1a, 0x99, 0xf4, 0x3b,
157 0xfb, 0x98, 0x8b, 0x9b, 0x7a, 0x02, 0xdd, 0x21
158 };
159
160 int ret, nfailures = 0;
161 ret = AES_wrap_unwrap_test(kek, 128, NULL, e1, key, 16);
162 if (ret == 0)
163 nfailures++;
164 fprintf(stderr, "Key test result %d\n", ret);
165 ret = AES_wrap_unwrap_test(kek, 192, NULL, e2, key, 16);
166 if (ret == 0)
167 nfailures++;
168 fprintf(stderr, "Key test result %d\n", ret);
169 ret = AES_wrap_unwrap_test(kek, 256, NULL, e3, key, 16);
170 if (ret == 0)
171 nfailures++;
172 fprintf(stderr, "Key test result %d\n", ret);
173 ret = AES_wrap_unwrap_test(kek, 192, NULL, e4, key, 24);
174 if (ret == 0)
175 nfailures++;
176 fprintf(stderr, "Key test result %d\n", ret);
177 ret = AES_wrap_unwrap_test(kek, 256, NULL, e5, key, 24);
178 if (ret == 0)
179 nfailures++;
180 fprintf(stderr, "Key test result %d\n", ret);
181 ret = AES_wrap_unwrap_test(kek, 256, NULL, e6, key, 32);
182 if (ret == 0)
183 nfailures++;
184 fprintf(stderr, "Key test result %d\n", ret);
185
186 return nfailures;
187 }
188