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author | cvs2svn <admin@example.com> | 2014-02-27 21:04:58 +0000 |
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committer | cvs2svn <admin@example.com> | 2014-02-27 21:04:58 +0000 |
commit | 726818f36b5221c023cd04c4b90bdbc08e94cd96 (patch) | |
tree | cf8221f3aa5bf5a578ddf1ecf5677ad08c04d342 /src/lib/libcrypto/aes/aes_wrap.c | |
parent | 3b6d92e82b1421b811bcdec7f7fdfb31eeef18de (diff) | |
download | openbsd-OPENBSD_5_5_BASE.tar.gz openbsd-OPENBSD_5_5_BASE.tar.bz2 openbsd-OPENBSD_5_5_BASE.zip |
This commit was manufactured by cvs2git to create tag 'OPENBSD_5_5_BASE'.OPENBSD_5_5_BASE
Diffstat (limited to 'src/lib/libcrypto/aes/aes_wrap.c')
-rw-r--r-- | src/lib/libcrypto/aes/aes_wrap.c | 259 |
1 files changed, 0 insertions, 259 deletions
diff --git a/src/lib/libcrypto/aes/aes_wrap.c b/src/lib/libcrypto/aes/aes_wrap.c deleted file mode 100644 index e2d73d37ce..0000000000 --- a/src/lib/libcrypto/aes/aes_wrap.c +++ /dev/null | |||
@@ -1,259 +0,0 @@ | |||
1 | /* crypto/aes/aes_wrap.c */ | ||
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 "cryptlib.h" | ||
55 | #include <openssl/aes.h> | ||
56 | #include <openssl/bio.h> | ||
57 | |||
58 | static const unsigned char default_iv[] = { | ||
59 | 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, | ||
60 | }; | ||
61 | |||
62 | int AES_wrap_key(AES_KEY *key, const unsigned char *iv, | ||
63 | unsigned char *out, | ||
64 | const unsigned char *in, unsigned int inlen) | ||
65 | { | ||
66 | unsigned char *A, B[16], *R; | ||
67 | unsigned int i, j, t; | ||
68 | if ((inlen & 0x7) || (inlen < 8)) | ||
69 | return -1; | ||
70 | A = B; | ||
71 | t = 1; | ||
72 | memcpy(out + 8, in, inlen); | ||
73 | if (!iv) | ||
74 | iv = default_iv; | ||
75 | |||
76 | memcpy(A, iv, 8); | ||
77 | |||
78 | for (j = 0; j < 6; j++) | ||
79 | { | ||
80 | R = out + 8; | ||
81 | for (i = 0; i < inlen; i += 8, t++, R += 8) | ||
82 | { | ||
83 | memcpy(B + 8, R, 8); | ||
84 | AES_encrypt(B, B, key); | ||
85 | A[7] ^= (unsigned char)(t & 0xff); | ||
86 | if (t > 0xff) | ||
87 | { | ||
88 | A[6] ^= (unsigned char)((t >> 8) & 0xff); | ||
89 | A[5] ^= (unsigned char)((t >> 16) & 0xff); | ||
90 | A[4] ^= (unsigned char)((t >> 24) & 0xff); | ||
91 | } | ||
92 | memcpy(R, B + 8, 8); | ||
93 | } | ||
94 | } | ||
95 | memcpy(out, A, 8); | ||
96 | return inlen + 8; | ||
97 | } | ||
98 | |||
99 | int AES_unwrap_key(AES_KEY *key, const unsigned char *iv, | ||
100 | unsigned char *out, | ||
101 | const unsigned char *in, unsigned int inlen) | ||
102 | { | ||
103 | unsigned char *A, B[16], *R; | ||
104 | unsigned int i, j, t; | ||
105 | inlen -= 8; | ||
106 | if (inlen & 0x7) | ||
107 | return -1; | ||
108 | if (inlen < 8) | ||
109 | return -1; | ||
110 | A = B; | ||
111 | t = 6 * (inlen >> 3); | ||
112 | memcpy(A, in, 8); | ||
113 | memcpy(out, in + 8, inlen); | ||
114 | for (j = 0; j < 6; j++) | ||
115 | { | ||
116 | R = out + inlen - 8; | ||
117 | for (i = 0; i < inlen; i += 8, t--, R -= 8) | ||
118 | { | ||
119 | A[7] ^= (unsigned char)(t & 0xff); | ||
120 | if (t > 0xff) | ||
121 | { | ||
122 | A[6] ^= (unsigned char)((t >> 8) & 0xff); | ||
123 | A[5] ^= (unsigned char)((t >> 16) & 0xff); | ||
124 | A[4] ^= (unsigned char)((t >> 24) & 0xff); | ||
125 | } | ||
126 | memcpy(B + 8, R, 8); | ||
127 | AES_decrypt(B, B, key); | ||
128 | memcpy(R, B + 8, 8); | ||
129 | } | ||
130 | } | ||
131 | if (!iv) | ||
132 | iv = default_iv; | ||
133 | if (memcmp(A, iv, 8)) | ||
134 | { | ||
135 | OPENSSL_cleanse(out, inlen); | ||
136 | return 0; | ||
137 | } | ||
138 | return inlen; | ||
139 | } | ||
140 | |||
141 | #ifdef AES_WRAP_TEST | ||
142 | |||
143 | int AES_wrap_unwrap_test(const unsigned char *kek, int keybits, | ||
144 | const unsigned char *iv, | ||
145 | const unsigned char *eout, | ||
146 | const unsigned char *key, int keylen) | ||
147 | { | ||
148 | unsigned char *otmp = NULL, *ptmp = NULL; | ||
149 | int r, ret = 0; | ||
150 | AES_KEY wctx; | ||
151 | otmp = OPENSSL_malloc(keylen + 8); | ||
152 | ptmp = OPENSSL_malloc(keylen); | ||
153 | if (!otmp || !ptmp) | ||
154 | return 0; | ||
155 | if (AES_set_encrypt_key(kek, keybits, &wctx)) | ||
156 | goto err; | ||
157 | r = AES_wrap_key(&wctx, iv, otmp, key, keylen); | ||
158 | if (r <= 0) | ||
159 | goto err; | ||
160 | |||
161 | if (eout && memcmp(eout, otmp, keylen)) | ||
162 | goto err; | ||
163 | |||
164 | if (AES_set_decrypt_key(kek, keybits, &wctx)) | ||
165 | goto err; | ||
166 | r = AES_unwrap_key(&wctx, iv, ptmp, otmp, r); | ||
167 | |||
168 | if (memcmp(key, ptmp, keylen)) | ||
169 | goto err; | ||
170 | |||
171 | ret = 1; | ||
172 | |||
173 | err: | ||
174 | if (otmp) | ||
175 | OPENSSL_free(otmp); | ||
176 | if (ptmp) | ||
177 | OPENSSL_free(ptmp); | ||
178 | |||
179 | return ret; | ||
180 | |||
181 | } | ||
182 | |||
183 | |||
184 | |||
185 | int main(int argc, char **argv) | ||
186 | { | ||
187 | |||
188 | static const unsigned char kek[] = { | ||
189 | 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, | ||
190 | 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, | ||
191 | 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, | ||
192 | 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f | ||
193 | }; | ||
194 | |||
195 | static const unsigned char key[] = { | ||
196 | 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, | ||
197 | 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, | ||
198 | 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, | ||
199 | 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f | ||
200 | }; | ||
201 | |||
202 | static const unsigned char e1[] = { | ||
203 | 0x1f, 0xa6, 0x8b, 0x0a, 0x81, 0x12, 0xb4, 0x47, | ||
204 | 0xae, 0xf3, 0x4b, 0xd8, 0xfb, 0x5a, 0x7b, 0x82, | ||
205 | 0x9d, 0x3e, 0x86, 0x23, 0x71, 0xd2, 0xcf, 0xe5 | ||
206 | }; | ||
207 | |||
208 | static const unsigned char e2[] = { | ||
209 | 0x96, 0x77, 0x8b, 0x25, 0xae, 0x6c, 0xa4, 0x35, | ||
210 | 0xf9, 0x2b, 0x5b, 0x97, 0xc0, 0x50, 0xae, 0xd2, | ||
211 | 0x46, 0x8a, 0xb8, 0xa1, 0x7a, 0xd8, 0x4e, 0x5d | ||
212 | }; | ||
213 | |||
214 | static const unsigned char e3[] = { | ||
215 | 0x64, 0xe8, 0xc3, 0xf9, 0xce, 0x0f, 0x5b, 0xa2, | ||
216 | 0x63, 0xe9, 0x77, 0x79, 0x05, 0x81, 0x8a, 0x2a, | ||
217 | 0x93, 0xc8, 0x19, 0x1e, 0x7d, 0x6e, 0x8a, 0xe7 | ||
218 | }; | ||
219 | |||
220 | static const unsigned char e4[] = { | ||
221 | 0x03, 0x1d, 0x33, 0x26, 0x4e, 0x15, 0xd3, 0x32, | ||
222 | 0x68, 0xf2, 0x4e, 0xc2, 0x60, 0x74, 0x3e, 0xdc, | ||
223 | 0xe1, 0xc6, 0xc7, 0xdd, 0xee, 0x72, 0x5a, 0x93, | ||
224 | 0x6b, 0xa8, 0x14, 0x91, 0x5c, 0x67, 0x62, 0xd2 | ||
225 | }; | ||
226 | |||
227 | static const unsigned char e5[] = { | ||
228 | 0xa8, 0xf9, 0xbc, 0x16, 0x12, 0xc6, 0x8b, 0x3f, | ||
229 | 0xf6, 0xe6, 0xf4, 0xfb, 0xe3, 0x0e, 0x71, 0xe4, | ||
230 | 0x76, 0x9c, 0x8b, 0x80, 0xa3, 0x2c, 0xb8, 0x95, | ||
231 | 0x8c, 0xd5, 0xd1, 0x7d, 0x6b, 0x25, 0x4d, 0xa1 | ||
232 | }; | ||
233 | |||
234 | static const unsigned char e6[] = { | ||
235 | 0x28, 0xc9, 0xf4, 0x04, 0xc4, 0xb8, 0x10, 0xf4, | ||
236 | 0xcb, 0xcc, 0xb3, 0x5c, 0xfb, 0x87, 0xf8, 0x26, | ||
237 | 0x3f, 0x57, 0x86, 0xe2, 0xd8, 0x0e, 0xd3, 0x26, | ||
238 | 0xcb, 0xc7, 0xf0, 0xe7, 0x1a, 0x99, 0xf4, 0x3b, | ||
239 | 0xfb, 0x98, 0x8b, 0x9b, 0x7a, 0x02, 0xdd, 0x21 | ||
240 | }; | ||
241 | |||
242 | AES_KEY wctx, xctx; | ||
243 | int ret; | ||
244 | ret = AES_wrap_unwrap_test(kek, 128, NULL, e1, key, 16); | ||
245 | fprintf(stderr, "Key test result %d\n", ret); | ||
246 | ret = AES_wrap_unwrap_test(kek, 192, NULL, e2, key, 16); | ||
247 | fprintf(stderr, "Key test result %d\n", ret); | ||
248 | ret = AES_wrap_unwrap_test(kek, 256, NULL, e3, key, 16); | ||
249 | fprintf(stderr, "Key test result %d\n", ret); | ||
250 | ret = AES_wrap_unwrap_test(kek, 192, NULL, e4, key, 24); | ||
251 | fprintf(stderr, "Key test result %d\n", ret); | ||
252 | ret = AES_wrap_unwrap_test(kek, 256, NULL, e5, key, 24); | ||
253 | fprintf(stderr, "Key test result %d\n", ret); | ||
254 | ret = AES_wrap_unwrap_test(kek, 256, NULL, e6, key, 32); | ||
255 | fprintf(stderr, "Key test result %d\n", ret); | ||
256 | } | ||
257 | |||
258 | |||
259 | #endif | ||