1 // SPDX-License-Identifier: CDDL-1.0
2 /*
3 * CDDL HEADER START
4 *
5 * The contents of this file are subject to the terms of the
6 * Common Development and Distribution License (the "License").
7 * You may not use this file except in compliance with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or https://opensource.org/licenses/CDDL-1.0.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
24 */
25
26 #include <aes/aes_impl.h>
27
28 /*
29 * This file is derived from the file rijndael-alg-fst.c taken from the
30 * "optimized C code v3.0" on the "rijndael home page"
31 * http://www.iaik.tu-graz.ac.at/research/krypto/AES/old/~rijmen/rijndael/
32 * pointed by the NIST web-site http://csrc.nist.gov/archive/aes/
33 *
34 * The following note is from the original file:
35 */
36
37 /*
38 * rijndael-alg-fst.c
39 *
40 * @version 3.0 (December 2000)
41 *
42 * Optimised ANSI C code for the Rijndael cipher (now AES)
43 *
44 * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be>
45 * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be>
46 * @author Paulo Barreto <paulo.barreto@terra.com.br>
47 *
48 * This code is hereby placed in the public domain.
49 *
50 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS
51 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
52 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
53 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE
54 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
55 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
56 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
57 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
58 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
59 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
60 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
61 */
62
63 /*
64 * Constant tables
65 */
66
67 /*
68 * Te0[x] = S [x].[02, 01, 01, 03];
69 * Te1[x] = S [x].[03, 02, 01, 01];
70 * Te2[x] = S [x].[01, 03, 02, 01];
71 * Te3[x] = S [x].[01, 01, 03, 02];
72 * Te4[x] = S [x].[01, 01, 01, 01];
73 *
74 * Td0[x] = Si[x].[0e, 09, 0d, 0b];
75 * Td1[x] = Si[x].[0b, 0e, 09, 0d];
76 * Td2[x] = Si[x].[0d, 0b, 0e, 09];
77 * Td3[x] = Si[x].[09, 0d, 0b, 0e];
78 * Td4[x] = Si[x].[01, 01, 01, 01];
79 */
80
81 /* Encrypt Sbox constants (for the substitute bytes operation) */
82
83 static const uint32_t Te0[256] =
84 {
85 0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU,
86 0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U,
87 0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU,
88 0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU,
89 0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U,
90 0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU,
91 0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU,
92 0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU,
93 0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU,
94 0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU,
95 0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U,
96 0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU,
97 0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU,
98 0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U,
99 0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU,
100 0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU,
101 0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU,
102 0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU,
103 0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU,
104 0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U,
105 0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU,
106 0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU,
107 0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU,
108 0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU,
109 0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U,
110 0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U,
111 0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U,
112 0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U,
113 0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU,
114 0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U,
115 0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U,
116 0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU,
117 0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU,
118 0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U,
119 0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U,
120 0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U,
121 0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU,
122 0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U,
123 0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU,
124 0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U,
125 0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU,
126 0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U,
127 0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U,
128 0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU,
129 0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U,
130 0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U,
131 0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U,
132 0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U,
133 0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U,
134 0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U,
135 0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U,
136 0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U,
137 0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU,
138 0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U,
139 0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U,
140 0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U,
141 0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U,
142 0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U,
143 0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U,
144 0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU,
145 0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U,
146 0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U,
147 0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U,
148 0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU
149 };
150
151
152 static const uint32_t Te1[256] =
153 {
154 0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU,
155 0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U,
156 0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU,
157 0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U,
158 0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU,
159 0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U,
160 0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU,
161 0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U,
162 0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U,
163 0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU,
164 0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U,
165 0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U,
166 0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U,
167 0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU,
168 0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U,
169 0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U,
170 0x1b120909U, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU,
171 0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U,
172 0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U,
173 0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U,
174 0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU,
175 0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU,
176 0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U,
177 0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU,
178 0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU,
179 0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U,
180 0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU,
181 0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U,
182 0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, 0x8a058f8fU,
183 0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U,
184 0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U,
185 0x30201010U, 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U,
186 0x4c81cdcdU, 0x14180c0cU, 0x35261313U, 0x2fc3ececU,
187 0xe1be5f5fU, 0xa2359797U, 0xcc884444U, 0x392e1717U,
188 0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU,
189 0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U,
190 0xa0c06060U, 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU,
191 0x66442222U, 0x7e542a2aU, 0xab3b9090U, 0x830b8888U,
192 0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, 0x3c281414U,
193 0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU,
194 0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU,
195 0xdb924949U, 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU,
196 0x5d9fc2c2U, 0x6ebdd3d3U, 0xef43acacU, 0xa6c46262U,
197 0xa8399191U, 0xa4319595U, 0x37d3e4e4U, 0x8bf27979U,
198 0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU,
199 0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U,
200 0xb4d86c6cU, 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU,
201 0xafca6565U, 0x8ef47a7aU, 0xe947aeaeU, 0x18100808U,
202 0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, 0x725c2e2eU,
203 0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U,
204 0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU,
205 0xdd964b4bU, 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU,
206 0x90e07070U, 0x427c3e3eU, 0xc471b5b5U, 0xaacc6666U,
207 0xd8904848U, 0x05060303U, 0x01f7f6f6U, 0x121c0e0eU,
208 0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U,
209 0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU,
210 0x38d9e1e1U, 0x13ebf8f8U, 0xb32b9898U, 0x33221111U,
211 0xbbd26969U, 0x70a9d9d9U, 0x89078e8eU, 0xa7339494U,
212 0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, 0x20c9e9e9U,
213 0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU,
214 0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU,
215 0xda65bfbfU, 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U,
216 0xc3824141U, 0xb0299999U, 0x775a2d2dU, 0x111e0f0fU,
217 0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, 0x3a2c1616U
218 };
219
220
221 static const uint32_t Te2[256] =
222 {
223 0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU,
224 0xf20dfff2U, 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U,
225 0x30506030U, 0x01030201U, 0x67a9ce67U, 0x2b7d562bU,
226 0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, 0x769aec76U,
227 0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU,
228 0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U,
229 0xadec41adU, 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU,
230 0x9cbf239cU, 0xa4f753a4U, 0x7296e472U, 0xc05b9bc0U,
231 0xb7c275b7U, 0xfd1ce1fdU, 0x93ae3d93U, 0x266a4c26U,
232 0x365a6c36U, 0x3f417e3fU, 0xf702f5f7U, 0xcc4f83ccU,
233 0x345c6834U, 0xa5f451a5U, 0xe534d1e5U, 0xf108f9f1U,
234 0x7193e271U, 0xd873abd8U, 0x31536231U, 0x153f2a15U,
235 0x040c0804U, 0xc75295c7U, 0x23654623U, 0xc35e9dc3U,
236 0x18283018U, 0x96a13796U, 0x050f0a05U, 0x9ab52f9aU,
237 0x07090e07U, 0x12362412U, 0x809b1b80U, 0xe23ddfe2U,
238 0xeb26cdebU, 0x27694e27U, 0xb2cd7fb2U, 0x759fea75U,
239 0x091b1209U, 0x839e1d83U, 0x2c74582cU, 0x1a2e341aU,
240 0x1b2d361bU, 0x6eb2dc6eU, 0x5aeeb45aU, 0xa0fb5ba0U,
241 0x52f6a452U, 0x3b4d763bU, 0xd661b7d6U, 0xb3ce7db3U,
242 0x297b5229U, 0xe33edde3U, 0x2f715e2fU, 0x84971384U,
243 0x53f5a653U, 0xd168b9d1U, 0x00000000U, 0xed2cc1edU,
244 0x20604020U, 0xfc1fe3fcU, 0xb1c879b1U, 0x5bedb65bU,
245 0x6abed46aU, 0xcb468dcbU, 0xbed967beU, 0x394b7239U,
246 0x4ade944aU, 0x4cd4984cU, 0x58e8b058U, 0xcf4a85cfU,
247 0xd06bbbd0U, 0xef2ac5efU, 0xaae54faaU, 0xfb16edfbU,
248 0x43c58643U, 0x4dd79a4dU, 0x33556633U, 0x85941185U,
249 0x45cf8a45U, 0xf910e9f9U, 0x02060402U, 0x7f81fe7fU,
250 0x50f0a050U, 0x3c44783cU, 0x9fba259fU, 0xa8e34ba8U,
251 0x51f3a251U, 0xa3fe5da3U, 0x40c08040U, 0x8f8a058fU,
252 0x92ad3f92U, 0x9dbc219dU, 0x38487038U, 0xf504f1f5U,
253 0xbcdf63bcU, 0xb6c177b6U, 0xda75afdaU, 0x21634221U,
254 0x10302010U, 0xff1ae5ffU, 0xf30efdf3U, 0xd26dbfd2U,
255 0xcd4c81cdU, 0x0c14180cU, 0x13352613U, 0xec2fc3ecU,
256 0x5fe1be5fU, 0x97a23597U, 0x44cc8844U, 0x17392e17U,
257 0xc45793c4U, 0xa7f255a7U, 0x7e82fc7eU, 0x3d477a3dU,
258 0x64acc864U, 0x5de7ba5dU, 0x192b3219U, 0x7395e673U,
259 0x60a0c060U, 0x81981981U, 0x4fd19e4fU, 0xdc7fa3dcU,
260 0x22664422U, 0x2a7e542aU, 0x90ab3b90U, 0x88830b88U,
261 0x46ca8c46U, 0xee29c7eeU, 0xb8d36bb8U, 0x143c2814U,
262 0xde79a7deU, 0x5ee2bc5eU, 0x0b1d160bU, 0xdb76addbU,
263 0xe03bdbe0U, 0x32566432U, 0x3a4e743aU, 0x0a1e140aU,
264 0x49db9249U, 0x060a0c06U, 0x246c4824U, 0x5ce4b85cU,
265 0xc25d9fc2U, 0xd36ebdd3U, 0xacef43acU, 0x62a6c462U,
266 0x91a83991U, 0x95a43195U, 0xe437d3e4U, 0x798bf279U,
267 0xe732d5e7U, 0xc8438bc8U, 0x37596e37U, 0x6db7da6dU,
268 0x8d8c018dU, 0xd564b1d5U, 0x4ed29c4eU, 0xa9e049a9U,
269 0x6cb4d86cU, 0x56faac56U, 0xf407f3f4U, 0xea25cfeaU,
270 0x65afca65U, 0x7a8ef47aU, 0xaee947aeU, 0x08181008U,
271 0xbad56fbaU, 0x7888f078U, 0x256f4a25U, 0x2e725c2eU,
272 0x1c24381cU, 0xa6f157a6U, 0xb4c773b4U, 0xc65197c6U,
273 0xe823cbe8U, 0xdd7ca1ddU, 0x749ce874U, 0x1f213e1fU,
274 0x4bdd964bU, 0xbddc61bdU, 0x8b860d8bU, 0x8a850f8aU,
275 0x7090e070U, 0x3e427c3eU, 0xb5c471b5U, 0x66aacc66U,
276 0x48d89048U, 0x03050603U, 0xf601f7f6U, 0x0e121c0eU,
277 0x61a3c261U, 0x355f6a35U, 0x57f9ae57U, 0xb9d069b9U,
278 0x86911786U, 0xc15899c1U, 0x1d273a1dU, 0x9eb9279eU,
279 0xe138d9e1U, 0xf813ebf8U, 0x98b32b98U, 0x11332211U,
280 0x69bbd269U, 0xd970a9d9U, 0x8e89078eU, 0x94a73394U,
281 0x9bb62d9bU, 0x1e223c1eU, 0x87921587U, 0xe920c9e9U,
282 0xce4987ceU, 0x55ffaa55U, 0x28785028U, 0xdf7aa5dfU,
283 0x8c8f038cU, 0xa1f859a1U, 0x89800989U, 0x0d171a0dU,
284 0xbfda65bfU, 0xe631d7e6U, 0x42c68442U, 0x68b8d068U,
285 0x41c38241U, 0x99b02999U, 0x2d775a2dU, 0x0f111e0fU,
286 0xb0cb7bb0U, 0x54fca854U, 0xbbd66dbbU, 0x163a2c16U
287 };
288
289
290 static const uint32_t Te3[256] =
291 {
292 0x6363a5c6U, 0x7c7c84f8U, 0x777799eeU, 0x7b7b8df6U,
293 0xf2f20dffU, 0x6b6bbdd6U, 0x6f6fb1deU, 0xc5c55491U,
294 0x30305060U, 0x01010302U, 0x6767a9ceU, 0x2b2b7d56U,
295 0xfefe19e7U, 0xd7d762b5U, 0xababe64dU, 0x76769aecU,
296 0xcaca458fU, 0x82829d1fU, 0xc9c94089U, 0x7d7d87faU,
297 0xfafa15efU, 0x5959ebb2U, 0x4747c98eU, 0xf0f00bfbU,
298 0xadadec41U, 0xd4d467b3U, 0xa2a2fd5fU, 0xafafea45U,
299 0x9c9cbf23U, 0xa4a4f753U, 0x727296e4U, 0xc0c05b9bU,
300 0xb7b7c275U, 0xfdfd1ce1U, 0x9393ae3dU, 0x26266a4cU,
301 0x36365a6cU, 0x3f3f417eU, 0xf7f702f5U, 0xcccc4f83U,
302 0x34345c68U, 0xa5a5f451U, 0xe5e534d1U, 0xf1f108f9U,
303 0x717193e2U, 0xd8d873abU, 0x31315362U, 0x15153f2aU,
304 0x04040c08U, 0xc7c75295U, 0x23236546U, 0xc3c35e9dU,
305 0x18182830U, 0x9696a137U, 0x05050f0aU, 0x9a9ab52fU,
306 0x0707090eU, 0x12123624U, 0x80809b1bU, 0xe2e23ddfU,
307 0xebeb26cdU, 0x2727694eU, 0xb2b2cd7fU, 0x75759feaU,
308 0x09091b12U, 0x83839e1dU, 0x2c2c7458U, 0x1a1a2e34U,
309 0x1b1b2d36U, 0x6e6eb2dcU, 0x5a5aeeb4U, 0xa0a0fb5bU,
310 0x5252f6a4U, 0x3b3b4d76U, 0xd6d661b7U, 0xb3b3ce7dU,
311 0x29297b52U, 0xe3e33eddU, 0x2f2f715eU, 0x84849713U,
312 0x5353f5a6U, 0xd1d168b9U, 0x00000000U, 0xeded2cc1U,
313 0x20206040U, 0xfcfc1fe3U, 0xb1b1c879U, 0x5b5bedb6U,
314 0x6a6abed4U, 0xcbcb468dU, 0xbebed967U, 0x39394b72U,
315 0x4a4ade94U, 0x4c4cd498U, 0x5858e8b0U, 0xcfcf4a85U,
316 0xd0d06bbbU, 0xefef2ac5U, 0xaaaae54fU, 0xfbfb16edU,
317 0x4343c586U, 0x4d4dd79aU, 0x33335566U, 0x85859411U,
318 0x4545cf8aU, 0xf9f910e9U, 0x02020604U, 0x7f7f81feU,
319 0x5050f0a0U, 0x3c3c4478U, 0x9f9fba25U, 0xa8a8e34bU,
320 0x5151f3a2U, 0xa3a3fe5dU, 0x4040c080U, 0x8f8f8a05U,
321 0x9292ad3fU, 0x9d9dbc21U, 0x38384870U, 0xf5f504f1U,
322 0xbcbcdf63U, 0xb6b6c177U, 0xdada75afU, 0x21216342U,
323 0x10103020U, 0xffff1ae5U, 0xf3f30efdU, 0xd2d26dbfU,
324 0xcdcd4c81U, 0x0c0c1418U, 0x13133526U, 0xecec2fc3U,
325 0x5f5fe1beU, 0x9797a235U, 0x4444cc88U, 0x1717392eU,
326 0xc4c45793U, 0xa7a7f255U, 0x7e7e82fcU, 0x3d3d477aU,
327 0x6464acc8U, 0x5d5de7baU, 0x19192b32U, 0x737395e6U,
328 0x6060a0c0U, 0x81819819U, 0x4f4fd19eU, 0xdcdc7fa3U,
329 0x22226644U, 0x2a2a7e54U, 0x9090ab3bU, 0x8888830bU,
330 0x4646ca8cU, 0xeeee29c7U, 0xb8b8d36bU, 0x14143c28U,
331 0xdede79a7U, 0x5e5ee2bcU, 0x0b0b1d16U, 0xdbdb76adU,
332 0xe0e03bdbU, 0x32325664U, 0x3a3a4e74U, 0x0a0a1e14U,
333 0x4949db92U, 0x06060a0cU, 0x24246c48U, 0x5c5ce4b8U,
334 0xc2c25d9fU, 0xd3d36ebdU, 0xacacef43U, 0x6262a6c4U,
335 0x9191a839U, 0x9595a431U, 0xe4e437d3U, 0x79798bf2U,
336 0xe7e732d5U, 0xc8c8438bU, 0x3737596eU, 0x6d6db7daU,
337 0x8d8d8c01U, 0xd5d564b1U, 0x4e4ed29cU, 0xa9a9e049U,
338 0x6c6cb4d8U, 0x5656faacU, 0xf4f407f3U, 0xeaea25cfU,
339 0x6565afcaU, 0x7a7a8ef4U, 0xaeaee947U, 0x08081810U,
340 0xbabad56fU, 0x787888f0U, 0x25256f4aU, 0x2e2e725cU,
341 0x1c1c2438U, 0xa6a6f157U, 0xb4b4c773U, 0xc6c65197U,
342 0xe8e823cbU, 0xdddd7ca1U, 0x74749ce8U, 0x1f1f213eU,
343 0x4b4bdd96U, 0xbdbddc61U, 0x8b8b860dU, 0x8a8a850fU,
344 0x707090e0U, 0x3e3e427cU, 0xb5b5c471U, 0x6666aaccU,
345 0x4848d890U, 0x03030506U, 0xf6f601f7U, 0x0e0e121cU,
346 0x6161a3c2U, 0x35355f6aU, 0x5757f9aeU, 0xb9b9d069U,
347 0x86869117U, 0xc1c15899U, 0x1d1d273aU, 0x9e9eb927U,
348 0xe1e138d9U, 0xf8f813ebU, 0x9898b32bU, 0x11113322U,
349 0x6969bbd2U, 0xd9d970a9U, 0x8e8e8907U, 0x9494a733U,
350 0x9b9bb62dU, 0x1e1e223cU, 0x87879215U, 0xe9e920c9U,
351 0xcece4987U, 0x5555ffaaU, 0x28287850U, 0xdfdf7aa5U,
352 0x8c8c8f03U, 0xa1a1f859U, 0x89898009U, 0x0d0d171aU,
353 0xbfbfda65U, 0xe6e631d7U, 0x4242c684U, 0x6868b8d0U,
354 0x4141c382U, 0x9999b029U, 0x2d2d775aU, 0x0f0f111eU,
355 0xb0b0cb7bU, 0x5454fca8U, 0xbbbbd66dU, 0x16163a2cU
356 };
357
358 static const uint32_t Te4[256] =
359 {
360 0x63636363U, 0x7c7c7c7cU, 0x77777777U, 0x7b7b7b7bU,
361 0xf2f2f2f2U, 0x6b6b6b6bU, 0x6f6f6f6fU, 0xc5c5c5c5U,
362 0x30303030U, 0x01010101U, 0x67676767U, 0x2b2b2b2bU,
363 0xfefefefeU, 0xd7d7d7d7U, 0xababababU, 0x76767676U,
364 0xcacacacaU, 0x82828282U, 0xc9c9c9c9U, 0x7d7d7d7dU,
365 0xfafafafaU, 0x59595959U, 0x47474747U, 0xf0f0f0f0U,
366 0xadadadadU, 0xd4d4d4d4U, 0xa2a2a2a2U, 0xafafafafU,
367 0x9c9c9c9cU, 0xa4a4a4a4U, 0x72727272U, 0xc0c0c0c0U,
368 0xb7b7b7b7U, 0xfdfdfdfdU, 0x93939393U, 0x26262626U,
369 0x36363636U, 0x3f3f3f3fU, 0xf7f7f7f7U, 0xccccccccU,
370 0x34343434U, 0xa5a5a5a5U, 0xe5e5e5e5U, 0xf1f1f1f1U,
371 0x71717171U, 0xd8d8d8d8U, 0x31313131U, 0x15151515U,
372 0x04040404U, 0xc7c7c7c7U, 0x23232323U, 0xc3c3c3c3U,
373 0x18181818U, 0x96969696U, 0x05050505U, 0x9a9a9a9aU,
374 0x07070707U, 0x12121212U, 0x80808080U, 0xe2e2e2e2U,
375 0xebebebebU, 0x27272727U, 0xb2b2b2b2U, 0x75757575U,
376 0x09090909U, 0x83838383U, 0x2c2c2c2cU, 0x1a1a1a1aU,
377 0x1b1b1b1bU, 0x6e6e6e6eU, 0x5a5a5a5aU, 0xa0a0a0a0U,
378 0x52525252U, 0x3b3b3b3bU, 0xd6d6d6d6U, 0xb3b3b3b3U,
379 0x29292929U, 0xe3e3e3e3U, 0x2f2f2f2fU, 0x84848484U,
380 0x53535353U, 0xd1d1d1d1U, 0x00000000U, 0xededededU,
381 0x20202020U, 0xfcfcfcfcU, 0xb1b1b1b1U, 0x5b5b5b5bU,
382 0x6a6a6a6aU, 0xcbcbcbcbU, 0xbebebebeU, 0x39393939U,
383 0x4a4a4a4aU, 0x4c4c4c4cU, 0x58585858U, 0xcfcfcfcfU,
384 0xd0d0d0d0U, 0xefefefefU, 0xaaaaaaaaU, 0xfbfbfbfbU,
385 0x43434343U, 0x4d4d4d4dU, 0x33333333U, 0x85858585U,
386 0x45454545U, 0xf9f9f9f9U, 0x02020202U, 0x7f7f7f7fU,
387 0x50505050U, 0x3c3c3c3cU, 0x9f9f9f9fU, 0xa8a8a8a8U,
388 0x51515151U, 0xa3a3a3a3U, 0x40404040U, 0x8f8f8f8fU,
389 0x92929292U, 0x9d9d9d9dU, 0x38383838U, 0xf5f5f5f5U,
390 0xbcbcbcbcU, 0xb6b6b6b6U, 0xdadadadaU, 0x21212121U,
391 0x10101010U, 0xffffffffU, 0xf3f3f3f3U, 0xd2d2d2d2U,
392 0xcdcdcdcdU, 0x0c0c0c0cU, 0x13131313U, 0xececececU,
393 0x5f5f5f5fU, 0x97979797U, 0x44444444U, 0x17171717U,
394 0xc4c4c4c4U, 0xa7a7a7a7U, 0x7e7e7e7eU, 0x3d3d3d3dU,
395 0x64646464U, 0x5d5d5d5dU, 0x19191919U, 0x73737373U,
396 0x60606060U, 0x81818181U, 0x4f4f4f4fU, 0xdcdcdcdcU,
397 0x22222222U, 0x2a2a2a2aU, 0x90909090U, 0x88888888U,
398 0x46464646U, 0xeeeeeeeeU, 0xb8b8b8b8U, 0x14141414U,
399 0xdedededeU, 0x5e5e5e5eU, 0x0b0b0b0bU, 0xdbdbdbdbU,
400 0xe0e0e0e0U, 0x32323232U, 0x3a3a3a3aU, 0x0a0a0a0aU,
401 0x49494949U, 0x06060606U, 0x24242424U, 0x5c5c5c5cU,
402 0xc2c2c2c2U, 0xd3d3d3d3U, 0xacacacacU, 0x62626262U,
403 0x91919191U, 0x95959595U, 0xe4e4e4e4U, 0x79797979U,
404 0xe7e7e7e7U, 0xc8c8c8c8U, 0x37373737U, 0x6d6d6d6dU,
405 0x8d8d8d8dU, 0xd5d5d5d5U, 0x4e4e4e4eU, 0xa9a9a9a9U,
406 0x6c6c6c6cU, 0x56565656U, 0xf4f4f4f4U, 0xeaeaeaeaU,
407 0x65656565U, 0x7a7a7a7aU, 0xaeaeaeaeU, 0x08080808U,
408 0xbabababaU, 0x78787878U, 0x25252525U, 0x2e2e2e2eU,
409 0x1c1c1c1cU, 0xa6a6a6a6U, 0xb4b4b4b4U, 0xc6c6c6c6U,
410 0xe8e8e8e8U, 0xddddddddU, 0x74747474U, 0x1f1f1f1fU,
411 0x4b4b4b4bU, 0xbdbdbdbdU, 0x8b8b8b8bU, 0x8a8a8a8aU,
412 0x70707070U, 0x3e3e3e3eU, 0xb5b5b5b5U, 0x66666666U,
413 0x48484848U, 0x03030303U, 0xf6f6f6f6U, 0x0e0e0e0eU,
414 0x61616161U, 0x35353535U, 0x57575757U, 0xb9b9b9b9U,
415 0x86868686U, 0xc1c1c1c1U, 0x1d1d1d1dU, 0x9e9e9e9eU,
416 0xe1e1e1e1U, 0xf8f8f8f8U, 0x98989898U, 0x11111111U,
417 0x69696969U, 0xd9d9d9d9U, 0x8e8e8e8eU, 0x94949494U,
418 0x9b9b9b9bU, 0x1e1e1e1eU, 0x87878787U, 0xe9e9e9e9U,
419 0xcecececeU, 0x55555555U, 0x28282828U, 0xdfdfdfdfU,
420 0x8c8c8c8cU, 0xa1a1a1a1U, 0x89898989U, 0x0d0d0d0dU,
421 0xbfbfbfbfU, 0xe6e6e6e6U, 0x42424242U, 0x68686868U,
422 0x41414141U, 0x99999999U, 0x2d2d2d2dU, 0x0f0f0f0fU,
423 0xb0b0b0b0U, 0x54545454U, 0xbbbbbbbbU, 0x16161616U
424 };
425
426 /* Decrypt Sbox constants (for the substitute bytes operation) */
427
428 static const uint32_t Td0[256] =
429 {
430 0x51f4a750U, 0x7e416553U, 0x1a17a4c3U, 0x3a275e96U,
431 0x3bab6bcbU, 0x1f9d45f1U, 0xacfa58abU, 0x4be30393U,
432 0x2030fa55U, 0xad766df6U, 0x88cc7691U, 0xf5024c25U,
433 0x4fe5d7fcU, 0xc52acbd7U, 0x26354480U, 0xb562a38fU,
434 0xdeb15a49U, 0x25ba1b67U, 0x45ea0e98U, 0x5dfec0e1U,
435 0xc32f7502U, 0x814cf012U, 0x8d4697a3U, 0x6bd3f9c6U,
436 0x038f5fe7U, 0x15929c95U, 0xbf6d7aebU, 0x955259daU,
437 0xd4be832dU, 0x587421d3U, 0x49e06929U, 0x8ec9c844U,
438 0x75c2896aU, 0xf48e7978U, 0x99583e6bU, 0x27b971ddU,
439 0xbee14fb6U, 0xf088ad17U, 0xc920ac66U, 0x7dce3ab4U,
440 0x63df4a18U, 0xe51a3182U, 0x97513360U, 0x62537f45U,
441 0xb16477e0U, 0xbb6bae84U, 0xfe81a01cU, 0xf9082b94U,
442 0x70486858U, 0x8f45fd19U, 0x94de6c87U, 0x527bf8b7U,
443 0xab73d323U, 0x724b02e2U, 0xe31f8f57U, 0x6655ab2aU,
444 0xb2eb2807U, 0x2fb5c203U, 0x86c57b9aU, 0xd33708a5U,
445 0x302887f2U, 0x23bfa5b2U, 0x02036abaU, 0xed16825cU,
446 0x8acf1c2bU, 0xa779b492U, 0xf307f2f0U, 0x4e69e2a1U,
447 0x65daf4cdU, 0x0605bed5U, 0xd134621fU, 0xc4a6fe8aU,
448 0x342e539dU, 0xa2f355a0U, 0x058ae132U, 0xa4f6eb75U,
449 0x0b83ec39U, 0x4060efaaU, 0x5e719f06U, 0xbd6e1051U,
450 0x3e218af9U, 0x96dd063dU, 0xdd3e05aeU, 0x4de6bd46U,
451 0x91548db5U, 0x71c45d05U, 0x0406d46fU, 0x605015ffU,
452 0x1998fb24U, 0xd6bde997U, 0x894043ccU, 0x67d99e77U,
453 0xb0e842bdU, 0x07898b88U, 0xe7195b38U, 0x79c8eedbU,
454 0xa17c0a47U, 0x7c420fe9U, 0xf8841ec9U, 0x00000000U,
455 0x09808683U, 0x322bed48U, 0x1e1170acU, 0x6c5a724eU,
456 0xfd0efffbU, 0x0f853856U, 0x3daed51eU, 0x362d3927U,
457 0x0a0fd964U, 0x685ca621U, 0x9b5b54d1U, 0x24362e3aU,
458 0x0c0a67b1U, 0x9357e70fU, 0xb4ee96d2U, 0x1b9b919eU,
459 0x80c0c54fU, 0x61dc20a2U, 0x5a774b69U, 0x1c121a16U,
460 0xe293ba0aU, 0xc0a02ae5U, 0x3c22e043U, 0x121b171dU,
461 0x0e090d0bU, 0xf28bc7adU, 0x2db6a8b9U, 0x141ea9c8U,
462 0x57f11985U, 0xaf75074cU, 0xee99ddbbU, 0xa37f60fdU,
463 0xf701269fU, 0x5c72f5bcU, 0x44663bc5U, 0x5bfb7e34U,
464 0x8b432976U, 0xcb23c6dcU, 0xb6edfc68U, 0xb8e4f163U,
465 0xd731dccaU, 0x42638510U, 0x13972240U, 0x84c61120U,
466 0x854a247dU, 0xd2bb3df8U, 0xaef93211U, 0xc729a16dU,
467 0x1d9e2f4bU, 0xdcb230f3U, 0x0d8652ecU, 0x77c1e3d0U,
468 0x2bb3166cU, 0xa970b999U, 0x119448faU, 0x47e96422U,
469 0xa8fc8cc4U, 0xa0f03f1aU, 0x567d2cd8U, 0x223390efU,
470 0x87494ec7U, 0xd938d1c1U, 0x8ccaa2feU, 0x98d40b36U,
471 0xa6f581cfU, 0xa57ade28U, 0xdab78e26U, 0x3fadbfa4U,
472 0x2c3a9de4U, 0x5078920dU, 0x6a5fcc9bU, 0x547e4662U,
473 0xf68d13c2U, 0x90d8b8e8U, 0x2e39f75eU, 0x82c3aff5U,
474 0x9f5d80beU, 0x69d0937cU, 0x6fd52da9U, 0xcf2512b3U,
475 0xc8ac993bU, 0x10187da7U, 0xe89c636eU, 0xdb3bbb7bU,
476 0xcd267809U, 0x6e5918f4U, 0xec9ab701U, 0x834f9aa8U,
477 0xe6956e65U, 0xaaffe67eU, 0x21bccf08U, 0xef15e8e6U,
478 0xbae79bd9U, 0x4a6f36ceU, 0xea9f09d4U, 0x29b07cd6U,
479 0x31a4b2afU, 0x2a3f2331U, 0xc6a59430U, 0x35a266c0U,
480 0x744ebc37U, 0xfc82caa6U, 0xe090d0b0U, 0x33a7d815U,
481 0xf104984aU, 0x41ecdaf7U, 0x7fcd500eU, 0x1791f62fU,
482 0x764dd68dU, 0x43efb04dU, 0xccaa4d54U, 0xe49604dfU,
483 0x9ed1b5e3U, 0x4c6a881bU, 0xc12c1fb8U, 0x4665517fU,
484 0x9d5eea04U, 0x018c355dU, 0xfa877473U, 0xfb0b412eU,
485 0xb3671d5aU, 0x92dbd252U, 0xe9105633U, 0x6dd64713U,
486 0x9ad7618cU, 0x37a10c7aU, 0x59f8148eU, 0xeb133c89U,
487 0xcea927eeU, 0xb761c935U, 0xe11ce5edU, 0x7a47b13cU,
488 0x9cd2df59U, 0x55f2733fU, 0x1814ce79U, 0x73c737bfU,
489 0x53f7cdeaU, 0x5ffdaa5bU, 0xdf3d6f14U, 0x7844db86U,
490 0xcaaff381U, 0xb968c43eU, 0x3824342cU, 0xc2a3405fU,
491 0x161dc372U, 0xbce2250cU, 0x283c498bU, 0xff0d9541U,
492 0x39a80171U, 0x080cb3deU, 0xd8b4e49cU, 0x6456c190U,
493 0x7bcb8461U, 0xd532b670U, 0x486c5c74U, 0xd0b85742U
494 };
495
496 static const uint32_t Td1[256] =
497 {
498 0x5051f4a7U, 0x537e4165U, 0xc31a17a4U, 0x963a275eU,
499 0xcb3bab6bU, 0xf11f9d45U, 0xabacfa58U, 0x934be303U,
500 0x552030faU, 0xf6ad766dU, 0x9188cc76U, 0x25f5024cU,
501 0xfc4fe5d7U, 0xd7c52acbU, 0x80263544U, 0x8fb562a3U,
502 0x49deb15aU, 0x6725ba1bU, 0x9845ea0eU, 0xe15dfec0U,
503 0x02c32f75U, 0x12814cf0U, 0xa38d4697U, 0xc66bd3f9U,
504 0xe7038f5fU, 0x9515929cU, 0xebbf6d7aU, 0xda955259U,
505 0x2dd4be83U, 0xd3587421U, 0x2949e069U, 0x448ec9c8U,
506 0x6a75c289U, 0x78f48e79U, 0x6b99583eU, 0xdd27b971U,
507 0xb6bee14fU, 0x17f088adU, 0x66c920acU, 0xb47dce3aU,
508 0x1863df4aU, 0x82e51a31U, 0x60975133U, 0x4562537fU,
509 0xe0b16477U, 0x84bb6baeU, 0x1cfe81a0U, 0x94f9082bU,
510 0x58704868U, 0x198f45fdU, 0x8794de6cU, 0xb7527bf8U,
511 0x23ab73d3U, 0xe2724b02U, 0x57e31f8fU, 0x2a6655abU,
512 0x07b2eb28U, 0x032fb5c2U, 0x9a86c57bU, 0xa5d33708U,
513 0xf2302887U, 0xb223bfa5U, 0xba02036aU, 0x5ced1682U,
514 0x2b8acf1cU, 0x92a779b4U, 0xf0f307f2U, 0xa14e69e2U,
515 0xcd65daf4U, 0xd50605beU, 0x1fd13462U, 0x8ac4a6feU,
516 0x9d342e53U, 0xa0a2f355U, 0x32058ae1U, 0x75a4f6ebU,
517 0x390b83ecU, 0xaa4060efU, 0x065e719fU, 0x51bd6e10U,
518 0xf93e218aU, 0x3d96dd06U, 0xaedd3e05U, 0x464de6bdU,
519 0xb591548dU, 0x0571c45dU, 0x6f0406d4U, 0xff605015U,
520 0x241998fbU, 0x97d6bde9U, 0xcc894043U, 0x7767d99eU,
521 0xbdb0e842U, 0x8807898bU, 0x38e7195bU, 0xdb79c8eeU,
522 0x47a17c0aU, 0xe97c420fU, 0xc9f8841eU, 0x00000000U,
523 0x83098086U, 0x48322bedU, 0xac1e1170U, 0x4e6c5a72U,
524 0xfbfd0effU, 0x560f8538U, 0x1e3daed5U, 0x27362d39U,
525 0x640a0fd9U, 0x21685ca6U, 0xd19b5b54U, 0x3a24362eU,
526 0xb10c0a67U, 0x0f9357e7U, 0xd2b4ee96U, 0x9e1b9b91U,
527 0x4f80c0c5U, 0xa261dc20U, 0x695a774bU, 0x161c121aU,
528 0x0ae293baU, 0xe5c0a02aU, 0x433c22e0U, 0x1d121b17U,
529 0x0b0e090dU, 0xadf28bc7U, 0xb92db6a8U, 0xc8141ea9U,
530 0x8557f119U, 0x4caf7507U, 0xbbee99ddU, 0xfda37f60U,
531 0x9ff70126U, 0xbc5c72f5U, 0xc544663bU, 0x345bfb7eU,
532 0x768b4329U, 0xdccb23c6U, 0x68b6edfcU, 0x63b8e4f1U,
533 0xcad731dcU, 0x10426385U, 0x40139722U, 0x2084c611U,
534 0x7d854a24U, 0xf8d2bb3dU, 0x11aef932U, 0x6dc729a1U,
535 0x4b1d9e2fU, 0xf3dcb230U, 0xec0d8652U, 0xd077c1e3U,
536 0x6c2bb316U, 0x99a970b9U, 0xfa119448U, 0x2247e964U,
537 0xc4a8fc8cU, 0x1aa0f03fU, 0xd8567d2cU, 0xef223390U,
538 0xc787494eU, 0xc1d938d1U, 0xfe8ccaa2U, 0x3698d40bU,
539 0xcfa6f581U, 0x28a57adeU, 0x26dab78eU, 0xa43fadbfU,
540 0xe42c3a9dU, 0x0d507892U, 0x9b6a5fccU, 0x62547e46U,
541 0xc2f68d13U, 0xe890d8b8U, 0x5e2e39f7U, 0xf582c3afU,
542 0xbe9f5d80U, 0x7c69d093U, 0xa96fd52dU, 0xb3cf2512U,
543 0x3bc8ac99U, 0xa710187dU, 0x6ee89c63U, 0x7bdb3bbbU,
544 0x09cd2678U, 0xf46e5918U, 0x01ec9ab7U, 0xa8834f9aU,
545 0x65e6956eU, 0x7eaaffe6U, 0x0821bccfU, 0xe6ef15e8U,
546 0xd9bae79bU, 0xce4a6f36U, 0xd4ea9f09U, 0xd629b07cU,
547 0xaf31a4b2U, 0x312a3f23U, 0x30c6a594U, 0xc035a266U,
548 0x37744ebcU, 0xa6fc82caU, 0xb0e090d0U, 0x1533a7d8U,
549 0x4af10498U, 0xf741ecdaU, 0x0e7fcd50U, 0x2f1791f6U,
550 0x8d764dd6U, 0x4d43efb0U, 0x54ccaa4dU, 0xdfe49604U,
551 0xe39ed1b5U, 0x1b4c6a88U, 0xb8c12c1fU, 0x7f466551U,
552 0x049d5eeaU, 0x5d018c35U, 0x73fa8774U, 0x2efb0b41U,
553 0x5ab3671dU, 0x5292dbd2U, 0x33e91056U, 0x136dd647U,
554 0x8c9ad761U, 0x7a37a10cU, 0x8e59f814U, 0x89eb133cU,
555 0xeecea927U, 0x35b761c9U, 0xede11ce5U, 0x3c7a47b1U,
556 0x599cd2dfU, 0x3f55f273U, 0x791814ceU, 0xbf73c737U,
557 0xea53f7cdU, 0x5b5ffdaaU, 0x14df3d6fU, 0x867844dbU,
558 0x81caaff3U, 0x3eb968c4U, 0x2c382434U, 0x5fc2a340U,
559 0x72161dc3U, 0x0cbce225U, 0x8b283c49U, 0x41ff0d95U,
560 0x7139a801U, 0xde080cb3U, 0x9cd8b4e4U, 0x906456c1U,
561 0x617bcb84U, 0x70d532b6U, 0x74486c5cU, 0x42d0b857U
562 };
563
564 static const uint32_t Td2[256] =
565 {
566 0xa75051f4U, 0x65537e41U, 0xa4c31a17U, 0x5e963a27U,
567 0x6bcb3babU, 0x45f11f9dU, 0x58abacfaU, 0x03934be3U,
568 0xfa552030U, 0x6df6ad76U, 0x769188ccU, 0x4c25f502U,
569 0xd7fc4fe5U, 0xcbd7c52aU, 0x44802635U, 0xa38fb562U,
570 0x5a49deb1U, 0x1b6725baU, 0x0e9845eaU, 0xc0e15dfeU,
571 0x7502c32fU, 0xf012814cU, 0x97a38d46U, 0xf9c66bd3U,
572 0x5fe7038fU, 0x9c951592U, 0x7aebbf6dU, 0x59da9552U,
573 0x832dd4beU, 0x21d35874U, 0x692949e0U, 0xc8448ec9U,
574 0x896a75c2U, 0x7978f48eU, 0x3e6b9958U, 0x71dd27b9U,
575 0x4fb6bee1U, 0xad17f088U, 0xac66c920U, 0x3ab47dceU,
576 0x4a1863dfU, 0x3182e51aU, 0x33609751U, 0x7f456253U,
577 0x77e0b164U, 0xae84bb6bU, 0xa01cfe81U, 0x2b94f908U,
578 0x68587048U, 0xfd198f45U, 0x6c8794deU, 0xf8b7527bU,
579 0xd323ab73U, 0x02e2724bU, 0x8f57e31fU, 0xab2a6655U,
580 0x2807b2ebU, 0xc2032fb5U, 0x7b9a86c5U, 0x08a5d337U,
581 0x87f23028U, 0xa5b223bfU, 0x6aba0203U, 0x825ced16U,
582 0x1c2b8acfU, 0xb492a779U, 0xf2f0f307U, 0xe2a14e69U,
583 0xf4cd65daU, 0xbed50605U, 0x621fd134U, 0xfe8ac4a6U,
584 0x539d342eU, 0x55a0a2f3U, 0xe132058aU, 0xeb75a4f6U,
585 0xec390b83U, 0xefaa4060U, 0x9f065e71U, 0x1051bd6eU,
586 0x8af93e21U, 0x063d96ddU, 0x05aedd3eU, 0xbd464de6U,
587 0x8db59154U, 0x5d0571c4U, 0xd46f0406U, 0x15ff6050U,
588 0xfb241998U, 0xe997d6bdU, 0x43cc8940U, 0x9e7767d9U,
589 0x42bdb0e8U, 0x8b880789U, 0x5b38e719U, 0xeedb79c8U,
590 0x0a47a17cU, 0x0fe97c42U, 0x1ec9f884U, 0x00000000U,
591 0x86830980U, 0xed48322bU, 0x70ac1e11U, 0x724e6c5aU,
592 0xfffbfd0eU, 0x38560f85U, 0xd51e3daeU, 0x3927362dU,
593 0xd9640a0fU, 0xa621685cU, 0x54d19b5bU, 0x2e3a2436U,
594 0x67b10c0aU, 0xe70f9357U, 0x96d2b4eeU, 0x919e1b9bU,
595 0xc54f80c0U, 0x20a261dcU, 0x4b695a77U, 0x1a161c12U,
596 0xba0ae293U, 0x2ae5c0a0U, 0xe0433c22U, 0x171d121bU,
597 0x0d0b0e09U, 0xc7adf28bU, 0xa8b92db6U, 0xa9c8141eU,
598 0x198557f1U, 0x074caf75U, 0xddbbee99U, 0x60fda37fU,
599 0x269ff701U, 0xf5bc5c72U, 0x3bc54466U, 0x7e345bfbU,
600 0x29768b43U, 0xc6dccb23U, 0xfc68b6edU, 0xf163b8e4U,
601 0xdccad731U, 0x85104263U, 0x22401397U, 0x112084c6U,
602 0x247d854aU, 0x3df8d2bbU, 0x3211aef9U, 0xa16dc729U,
603 0x2f4b1d9eU, 0x30f3dcb2U, 0x52ec0d86U, 0xe3d077c1U,
604 0x166c2bb3U, 0xb999a970U, 0x48fa1194U, 0x642247e9U,
605 0x8cc4a8fcU, 0x3f1aa0f0U, 0x2cd8567dU, 0x90ef2233U,
606 0x4ec78749U, 0xd1c1d938U, 0xa2fe8ccaU, 0x0b3698d4U,
607 0x81cfa6f5U, 0xde28a57aU, 0x8e26dab7U, 0xbfa43fadU,
608 0x9de42c3aU, 0x920d5078U, 0xcc9b6a5fU, 0x4662547eU,
609 0x13c2f68dU, 0xb8e890d8U, 0xf75e2e39U, 0xaff582c3U,
610 0x80be9f5dU, 0x937c69d0U, 0x2da96fd5U, 0x12b3cf25U,
611 0x993bc8acU, 0x7da71018U, 0x636ee89cU, 0xbb7bdb3bU,
612 0x7809cd26U, 0x18f46e59U, 0xb701ec9aU, 0x9aa8834fU,
613 0x6e65e695U, 0xe67eaaffU, 0xcf0821bcU, 0xe8e6ef15U,
614 0x9bd9bae7U, 0x36ce4a6fU, 0x09d4ea9fU, 0x7cd629b0U,
615 0xb2af31a4U, 0x23312a3fU, 0x9430c6a5U, 0x66c035a2U,
616 0xbc37744eU, 0xcaa6fc82U, 0xd0b0e090U, 0xd81533a7U,
617 0x984af104U, 0xdaf741ecU, 0x500e7fcdU, 0xf62f1791U,
618 0xd68d764dU, 0xb04d43efU, 0x4d54ccaaU, 0x04dfe496U,
619 0xb5e39ed1U, 0x881b4c6aU, 0x1fb8c12cU, 0x517f4665U,
620 0xea049d5eU, 0x355d018cU, 0x7473fa87U, 0x412efb0bU,
621 0x1d5ab367U, 0xd25292dbU, 0x5633e910U, 0x47136dd6U,
622 0x618c9ad7U, 0x0c7a37a1U, 0x148e59f8U, 0x3c89eb13U,
623 0x27eecea9U, 0xc935b761U, 0xe5ede11cU, 0xb13c7a47U,
624 0xdf599cd2U, 0x733f55f2U, 0xce791814U, 0x37bf73c7U,
625 0xcdea53f7U, 0xaa5b5ffdU, 0x6f14df3dU, 0xdb867844U,
626 0xf381caafU, 0xc43eb968U, 0x342c3824U, 0x405fc2a3U,
627 0xc372161dU, 0x250cbce2U, 0x498b283cU, 0x9541ff0dU,
628 0x017139a8U, 0xb3de080cU, 0xe49cd8b4U, 0xc1906456U,
629 0x84617bcbU, 0xb670d532U, 0x5c74486cU, 0x5742d0b8U
630 };
631
632 static const uint32_t Td3[256] =
633 {
634 0xf4a75051U, 0x4165537eU, 0x17a4c31aU, 0x275e963aU,
635 0xab6bcb3bU, 0x9d45f11fU, 0xfa58abacU, 0xe303934bU,
636 0x30fa5520U, 0x766df6adU, 0xcc769188U, 0x024c25f5U,
637 0xe5d7fc4fU, 0x2acbd7c5U, 0x35448026U, 0x62a38fb5U,
638 0xb15a49deU, 0xba1b6725U, 0xea0e9845U, 0xfec0e15dU,
639 0x2f7502c3U, 0x4cf01281U, 0x4697a38dU, 0xd3f9c66bU,
640 0x8f5fe703U, 0x929c9515U, 0x6d7aebbfU, 0x5259da95U,
641 0xbe832dd4U, 0x7421d358U, 0xe0692949U, 0xc9c8448eU,
642 0xc2896a75U, 0x8e7978f4U, 0x583e6b99U, 0xb971dd27U,
643 0xe14fb6beU, 0x88ad17f0U, 0x20ac66c9U, 0xce3ab47dU,
644 0xdf4a1863U, 0x1a3182e5U, 0x51336097U, 0x537f4562U,
645 0x6477e0b1U, 0x6bae84bbU, 0x81a01cfeU, 0x082b94f9U,
646 0x48685870U, 0x45fd198fU, 0xde6c8794U, 0x7bf8b752U,
647 0x73d323abU, 0x4b02e272U, 0x1f8f57e3U, 0x55ab2a66U,
648 0xeb2807b2U, 0xb5c2032fU, 0xc57b9a86U, 0x3708a5d3U,
649 0x2887f230U, 0xbfa5b223U, 0x036aba02U, 0x16825cedU,
650 0xcf1c2b8aU, 0x79b492a7U, 0x07f2f0f3U, 0x69e2a14eU,
651 0xdaf4cd65U, 0x05bed506U, 0x34621fd1U, 0xa6fe8ac4U,
652 0x2e539d34U, 0xf355a0a2U, 0x8ae13205U, 0xf6eb75a4U,
653 0x83ec390bU, 0x60efaa40U, 0x719f065eU, 0x6e1051bdU,
654 0x218af93eU, 0xdd063d96U, 0x3e05aeddU, 0xe6bd464dU,
655 0x548db591U, 0xc45d0571U, 0x06d46f04U, 0x5015ff60U,
656 0x98fb2419U, 0xbde997d6U, 0x4043cc89U, 0xd99e7767U,
657 0xe842bdb0U, 0x898b8807U, 0x195b38e7U, 0xc8eedb79U,
658 0x7c0a47a1U, 0x420fe97cU, 0x841ec9f8U, 0x00000000U,
659 0x80868309U, 0x2bed4832U, 0x1170ac1eU, 0x5a724e6cU,
660 0x0efffbfdU, 0x8538560fU, 0xaed51e3dU, 0x2d392736U,
661 0x0fd9640aU, 0x5ca62168U, 0x5b54d19bU, 0x362e3a24U,
662 0x0a67b10cU, 0x57e70f93U, 0xee96d2b4U, 0x9b919e1bU,
663 0xc0c54f80U, 0xdc20a261U, 0x774b695aU, 0x121a161cU,
664 0x93ba0ae2U, 0xa02ae5c0U, 0x22e0433cU, 0x1b171d12U,
665 0x090d0b0eU, 0x8bc7adf2U, 0xb6a8b92dU, 0x1ea9c814U,
666 0xf1198557U, 0x75074cafU, 0x99ddbbeeU, 0x7f60fda3U,
667 0x01269ff7U, 0x72f5bc5cU, 0x663bc544U, 0xfb7e345bU,
668 0x4329768bU, 0x23c6dccbU, 0xedfc68b6U, 0xe4f163b8U,
669 0x31dccad7U, 0x63851042U, 0x97224013U, 0xc6112084U,
670 0x4a247d85U, 0xbb3df8d2U, 0xf93211aeU, 0x29a16dc7U,
671 0x9e2f4b1dU, 0xb230f3dcU, 0x8652ec0dU, 0xc1e3d077U,
672 0xb3166c2bU, 0x70b999a9U, 0x9448fa11U, 0xe9642247U,
673 0xfc8cc4a8U, 0xf03f1aa0U, 0x7d2cd856U, 0x3390ef22U,
674 0x494ec787U, 0x38d1c1d9U, 0xcaa2fe8cU, 0xd40b3698U,
675 0xf581cfa6U, 0x7ade28a5U, 0xb78e26daU, 0xadbfa43fU,
676 0x3a9de42cU, 0x78920d50U, 0x5fcc9b6aU, 0x7e466254U,
677 0x8d13c2f6U, 0xd8b8e890U, 0x39f75e2eU, 0xc3aff582U,
678 0x5d80be9fU, 0xd0937c69U, 0xd52da96fU, 0x2512b3cfU,
679 0xac993bc8U, 0x187da710U, 0x9c636ee8U, 0x3bbb7bdbU,
680 0x267809cdU, 0x5918f46eU, 0x9ab701ecU, 0x4f9aa883U,
681 0x956e65e6U, 0xffe67eaaU, 0xbccf0821U, 0x15e8e6efU,
682 0xe79bd9baU, 0x6f36ce4aU, 0x9f09d4eaU, 0xb07cd629U,
683 0xa4b2af31U, 0x3f23312aU, 0xa59430c6U, 0xa266c035U,
684 0x4ebc3774U, 0x82caa6fcU, 0x90d0b0e0U, 0xa7d81533U,
685 0x04984af1U, 0xecdaf741U, 0xcd500e7fU, 0x91f62f17U,
686 0x4dd68d76U, 0xefb04d43U, 0xaa4d54ccU, 0x9604dfe4U,
687 0xd1b5e39eU, 0x6a881b4cU, 0x2c1fb8c1U, 0x65517f46U,
688 0x5eea049dU, 0x8c355d01U, 0x877473faU, 0x0b412efbU,
689 0x671d5ab3U, 0xdbd25292U, 0x105633e9U, 0xd647136dU,
690 0xd7618c9aU, 0xa10c7a37U, 0xf8148e59U, 0x133c89ebU,
691 0xa927eeceU, 0x61c935b7U, 0x1ce5ede1U, 0x47b13c7aU,
692 0xd2df599cU, 0xf2733f55U, 0x14ce7918U, 0xc737bf73U,
693 0xf7cdea53U, 0xfdaa5b5fU, 0x3d6f14dfU, 0x44db8678U,
694 0xaff381caU, 0x68c43eb9U, 0x24342c38U, 0xa3405fc2U,
695 0x1dc37216U, 0xe2250cbcU, 0x3c498b28U, 0x0d9541ffU,
696 0xa8017139U, 0x0cb3de08U, 0xb4e49cd8U, 0x56c19064U,
697 0xcb84617bU, 0x32b670d5U, 0x6c5c7448U, 0xb85742d0U
698 };
699
700 static const uint32_t Td4[256] =
701 {
702 0x52525252U, 0x09090909U, 0x6a6a6a6aU, 0xd5d5d5d5U,
703 0x30303030U, 0x36363636U, 0xa5a5a5a5U, 0x38383838U,
704 0xbfbfbfbfU, 0x40404040U, 0xa3a3a3a3U, 0x9e9e9e9eU,
705 0x81818181U, 0xf3f3f3f3U, 0xd7d7d7d7U, 0xfbfbfbfbU,
706 0x7c7c7c7cU, 0xe3e3e3e3U, 0x39393939U, 0x82828282U,
707 0x9b9b9b9bU, 0x2f2f2f2fU, 0xffffffffU, 0x87878787U,
708 0x34343434U, 0x8e8e8e8eU, 0x43434343U, 0x44444444U,
709 0xc4c4c4c4U, 0xdedededeU, 0xe9e9e9e9U, 0xcbcbcbcbU,
710 0x54545454U, 0x7b7b7b7bU, 0x94949494U, 0x32323232U,
711 0xa6a6a6a6U, 0xc2c2c2c2U, 0x23232323U, 0x3d3d3d3dU,
712 0xeeeeeeeeU, 0x4c4c4c4cU, 0x95959595U, 0x0b0b0b0bU,
713 0x42424242U, 0xfafafafaU, 0xc3c3c3c3U, 0x4e4e4e4eU,
714 0x08080808U, 0x2e2e2e2eU, 0xa1a1a1a1U, 0x66666666U,
715 0x28282828U, 0xd9d9d9d9U, 0x24242424U, 0xb2b2b2b2U,
716 0x76767676U, 0x5b5b5b5bU, 0xa2a2a2a2U, 0x49494949U,
717 0x6d6d6d6dU, 0x8b8b8b8bU, 0xd1d1d1d1U, 0x25252525U,
718 0x72727272U, 0xf8f8f8f8U, 0xf6f6f6f6U, 0x64646464U,
719 0x86868686U, 0x68686868U, 0x98989898U, 0x16161616U,
720 0xd4d4d4d4U, 0xa4a4a4a4U, 0x5c5c5c5cU, 0xccccccccU,
721 0x5d5d5d5dU, 0x65656565U, 0xb6b6b6b6U, 0x92929292U,
722 0x6c6c6c6cU, 0x70707070U, 0x48484848U, 0x50505050U,
723 0xfdfdfdfdU, 0xededededU, 0xb9b9b9b9U, 0xdadadadaU,
724 0x5e5e5e5eU, 0x15151515U, 0x46464646U, 0x57575757U,
725 0xa7a7a7a7U, 0x8d8d8d8dU, 0x9d9d9d9dU, 0x84848484U,
726 0x90909090U, 0xd8d8d8d8U, 0xababababU, 0x00000000U,
727 0x8c8c8c8cU, 0xbcbcbcbcU, 0xd3d3d3d3U, 0x0a0a0a0aU,
728 0xf7f7f7f7U, 0xe4e4e4e4U, 0x58585858U, 0x05050505U,
729 0xb8b8b8b8U, 0xb3b3b3b3U, 0x45454545U, 0x06060606U,
730 0xd0d0d0d0U, 0x2c2c2c2cU, 0x1e1e1e1eU, 0x8f8f8f8fU,
731 0xcacacacaU, 0x3f3f3f3fU, 0x0f0f0f0fU, 0x02020202U,
732 0xc1c1c1c1U, 0xafafafafU, 0xbdbdbdbdU, 0x03030303U,
733 0x01010101U, 0x13131313U, 0x8a8a8a8aU, 0x6b6b6b6bU,
734 0x3a3a3a3aU, 0x91919191U, 0x11111111U, 0x41414141U,
735 0x4f4f4f4fU, 0x67676767U, 0xdcdcdcdcU, 0xeaeaeaeaU,
736 0x97979797U, 0xf2f2f2f2U, 0xcfcfcfcfU, 0xcecececeU,
737 0xf0f0f0f0U, 0xb4b4b4b4U, 0xe6e6e6e6U, 0x73737373U,
738 0x96969696U, 0xacacacacU, 0x74747474U, 0x22222222U,
739 0xe7e7e7e7U, 0xadadadadU, 0x35353535U, 0x85858585U,
740 0xe2e2e2e2U, 0xf9f9f9f9U, 0x37373737U, 0xe8e8e8e8U,
741 0x1c1c1c1cU, 0x75757575U, 0xdfdfdfdfU, 0x6e6e6e6eU,
742 0x47474747U, 0xf1f1f1f1U, 0x1a1a1a1aU, 0x71717171U,
743 0x1d1d1d1dU, 0x29292929U, 0xc5c5c5c5U, 0x89898989U,
744 0x6f6f6f6fU, 0xb7b7b7b7U, 0x62626262U, 0x0e0e0e0eU,
745 0xaaaaaaaaU, 0x18181818U, 0xbebebebeU, 0x1b1b1b1bU,
746 0xfcfcfcfcU, 0x56565656U, 0x3e3e3e3eU, 0x4b4b4b4bU,
747 0xc6c6c6c6U, 0xd2d2d2d2U, 0x79797979U, 0x20202020U,
748 0x9a9a9a9aU, 0xdbdbdbdbU, 0xc0c0c0c0U, 0xfefefefeU,
749 0x78787878U, 0xcdcdcdcdU, 0x5a5a5a5aU, 0xf4f4f4f4U,
750 0x1f1f1f1fU, 0xddddddddU, 0xa8a8a8a8U, 0x33333333U,
751 0x88888888U, 0x07070707U, 0xc7c7c7c7U, 0x31313131U,
752 0xb1b1b1b1U, 0x12121212U, 0x10101010U, 0x59595959U,
753 0x27272727U, 0x80808080U, 0xececececU, 0x5f5f5f5fU,
754 0x60606060U, 0x51515151U, 0x7f7f7f7fU, 0xa9a9a9a9U,
755 0x19191919U, 0xb5b5b5b5U, 0x4a4a4a4aU, 0x0d0d0d0dU,
756 0x2d2d2d2dU, 0xe5e5e5e5U, 0x7a7a7a7aU, 0x9f9f9f9fU,
757 0x93939393U, 0xc9c9c9c9U, 0x9c9c9c9cU, 0xefefefefU,
758 0xa0a0a0a0U, 0xe0e0e0e0U, 0x3b3b3b3bU, 0x4d4d4d4dU,
759 0xaeaeaeaeU, 0x2a2a2a2aU, 0xf5f5f5f5U, 0xb0b0b0b0U,
760 0xc8c8c8c8U, 0xebebebebU, 0xbbbbbbbbU, 0x3c3c3c3cU,
761 0x83838383U, 0x53535353U, 0x99999999U, 0x61616161U,
762 0x17171717U, 0x2b2b2b2bU, 0x04040404U, 0x7e7e7e7eU,
763 0xbabababaU, 0x77777777U, 0xd6d6d6d6U, 0x26262626U,
764 0xe1e1e1e1U, 0x69696969U, 0x14141414U, 0x63636363U,
765 0x55555555U, 0x21212121U, 0x0c0c0c0cU, 0x7d7d7d7dU
766 };
767
768 /* Rcon is Round Constant; used for encryption key expansion */
769 static const uint32_t rcon[RC_LENGTH] =
770 {
771 /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */
772 0x01000000, 0x02000000, 0x04000000, 0x08000000,
773 0x10000000, 0x20000000, 0x40000000, 0x80000000,
774 0x1B000000, 0x36000000
775 };
776
777
778 /*
779 * Expand the cipher key into the encryption key schedule.
780 *
781 * Return the number of rounds for the given cipher key size.
782 * The size of the key schedule depends on the number of rounds
783 * (which can be computed from the size of the key), i.e. 4*(Nr + 1).
784 *
785 * Parameters:
786 * rk AES key schedule 32-bit array to be initialized
787 * cipherKey User key
788 * keyBits AES key size (128, 192, or 256 bits)
789 */
790 static int
rijndael_key_setup_enc(uint32_t rk[],const uint32_t cipherKey[],int keyBits)791 rijndael_key_setup_enc(uint32_t rk[], const uint32_t cipherKey[],
792 int keyBits)
793 {
794 int i = 0;
795 uint32_t temp;
796
797 rk[0] = cipherKey[0];
798 rk[1] = cipherKey[1];
799 rk[2] = cipherKey[2];
800 rk[3] = cipherKey[3];
801
802 if (keyBits == 128) {
803 for (;;) {
804 temp = rk[3];
805 rk[4] = rk[0] ^
806 (Te4[(temp >> 16) & 0xff] & 0xff000000) ^
807 (Te4[(temp >> 8) & 0xff] & 0x00ff0000) ^
808 (Te4[temp & 0xff] & 0x0000ff00) ^
809 (Te4[temp >> 24] & 0x000000ff) ^
810 rcon[i];
811 rk[5] = rk[1] ^ rk[4];
812 rk[6] = rk[2] ^ rk[5];
813 rk[7] = rk[3] ^ rk[6];
814
815 if (++i == 10) {
816 return (10);
817 }
818 rk += 4;
819 }
820 }
821
822 rk[4] = cipherKey[4];
823 rk[5] = cipherKey[5];
824
825 if (keyBits == 192) {
826 for (;;) {
827 temp = rk[5];
828 rk[6] = rk[0] ^
829 (Te4[(temp >> 16) & 0xff] & 0xff000000) ^
830 (Te4[(temp >> 8) & 0xff] & 0x00ff0000) ^
831 (Te4[temp & 0xff] & 0x0000ff00) ^
832 (Te4[temp >> 24] & 0x000000ff) ^
833 rcon[i];
834 rk[7] = rk[1] ^ rk[6];
835 rk[8] = rk[2] ^ rk[7];
836 rk[9] = rk[3] ^ rk[8];
837
838 if (++i == 8) {
839 return (12);
840 }
841
842 rk[10] = rk[4] ^ rk[9];
843 rk[11] = rk[5] ^ rk[10];
844 rk += 6;
845 }
846 }
847
848 rk[6] = cipherKey[6];
849 rk[7] = cipherKey[7];
850
851 if (keyBits == 256) {
852 for (;;) {
853 temp = rk[7];
854 rk[8] = rk[0] ^
855 (Te4[(temp >> 16) & 0xff] & 0xff000000) ^
856 (Te4[(temp >> 8) & 0xff] & 0x00ff0000) ^
857 (Te4[temp & 0xff] & 0x0000ff00) ^
858 (Te4[temp >> 24] & 0x000000ff) ^
859 rcon[i];
860 rk[9] = rk[1] ^ rk[8];
861 rk[10] = rk[2] ^ rk[9];
862 rk[11] = rk[3] ^ rk[10];
863
864 if (++i == 7) {
865 return (14);
866 }
867 temp = rk[11];
868 rk[12] = rk[4] ^
869 (Te4[temp >> 24] & 0xff000000) ^
870 (Te4[(temp >> 16) & 0xff] & 0x00ff0000) ^
871 (Te4[(temp >> 8) & 0xff] & 0x0000ff00) ^
872 (Te4[temp & 0xff] & 0x000000ff);
873 rk[13] = rk[5] ^ rk[12];
874 rk[14] = rk[6] ^ rk[13];
875 rk[15] = rk[7] ^ rk[14];
876
877 rk += 8;
878 }
879 }
880
881 return (0);
882 }
883
884 /*
885 * Expand the cipher key into the decryption key schedule.
886 * Return the number of rounds for the given cipher key size.
887 * The size of the key schedule depends on the number of rounds
888 * (which can be computed from the size of the key), i.e. 4*(Nr + 1).
889 *
890 * Parameters:
891 * rk AES key schedule 32-bit array to be initialized
892 * cipherKey User key
893 * keyBits AES key size (128, 192, or 256 bits)
894 */
895 static int
rijndael_key_setup_dec(uint32_t rk[],const uint32_t cipherKey[],int keyBits)896 rijndael_key_setup_dec(uint32_t rk[], const uint32_t cipherKey[], int keyBits)
897 {
898 int Nr, i, j;
899 uint32_t temp;
900
901 /* expand the cipher key: */
902 Nr = rijndael_key_setup_enc(rk, cipherKey, keyBits);
903
904 /* invert the order of the round keys: */
905 for (i = 0, j = 4 * Nr; i < j; i += 4, j -= 4) {
906 temp = rk[i];
907 rk[i] = rk[j];
908 rk[j] = temp;
909 temp = rk[i + 1];
910 rk[i + 1] = rk[j + 1];
911 rk[j + 1] = temp;
912 temp = rk[i + 2];
913 rk[i + 2] = rk[j + 2];
914 rk[j + 2] = temp;
915 temp = rk[i + 3];
916 rk[i + 3] = rk[j + 3];
917 rk[j + 3] = temp;
918 }
919
920 /*
921 * apply the inverse MixColumn transform to all
922 * round keys but the first and the last:
923 */
924 for (i = 1; i < Nr; i++) {
925 rk += 4;
926 rk[0] = Td0[Te4[rk[0] >> 24] & 0xff] ^
927 Td1[Te4[(rk[0] >> 16) & 0xff] & 0xff] ^
928 Td2[Te4[(rk[0] >> 8) & 0xff] & 0xff] ^
929 Td3[Te4[rk[0] & 0xff] & 0xff];
930 rk[1] = Td0[Te4[rk[1] >> 24] & 0xff] ^
931 Td1[Te4[(rk[1] >> 16) & 0xff] & 0xff] ^
932 Td2[Te4[(rk[1] >> 8) & 0xff] & 0xff] ^
933 Td3[Te4[rk[1] & 0xff] & 0xff];
934 rk[2] = Td0[Te4[rk[2] >> 24] & 0xff] ^
935 Td1[Te4[(rk[2] >> 16) & 0xff] & 0xff] ^
936 Td2[Te4[(rk[2] >> 8) & 0xff] & 0xff] ^
937 Td3[Te4[rk[2] & 0xff] & 0xff];
938 rk[3] = Td0[Te4[rk[3] >> 24] & 0xff] ^
939 Td1[Te4[(rk[3] >> 16) & 0xff] & 0xff] ^
940 Td2[Te4[(rk[3] >> 8) & 0xff] & 0xff] ^
941 Td3[Te4[rk[3] & 0xff] & 0xff];
942 }
943
944 return (Nr);
945 }
946
947 /*
948 * Expand the 32-bit AES cipher key array into the encryption and decryption
949 * key schedules.
950 *
951 * Parameters:
952 * key AES key schedule to be initialized
953 * keyarr32 User key
954 * keyBits AES key size (128, 192, or 256 bits)
955 */
956 static void
aes_generic_generate(aes_key_t * key,const uint32_t * keyarr32,int keybits)957 aes_generic_generate(aes_key_t *key, const uint32_t *keyarr32, int keybits)
958 {
959 key->nr = rijndael_key_setup_enc(&(key->encr_ks.ks32[0]), keyarr32,
960 keybits);
961 key->nr = rijndael_key_setup_dec(&(key->decr_ks.ks32[0]), keyarr32,
962 keybits);
963 }
964
965 /*
966 * Encrypt one block of data. The block is assumed to be an array
967 * of four uint32_t values, so copy for alignment (and byte-order
968 * reversal for little endian systems might be necessary on the
969 * input and output byte streams.
970 * The size of the key schedule depends on the number of rounds
971 * (which can be computed from the size of the key), i.e. 4*(Nr + 1).
972 *
973 * Parameters:
974 * rk Key schedule, of aes_ks_t (60 32-bit integers)
975 * Nr Number of rounds
976 * pt Input block (plain text)
977 * ct Output block (crypto text). Can overlap with pt
978 */
979 static void
aes_generic_encrypt(const uint32_t rk[],int Nr,const uint32_t pt[4],uint32_t ct[4])980 aes_generic_encrypt(const uint32_t rk[], int Nr, const uint32_t pt[4],
981 uint32_t ct[4])
982 {
983 uint32_t s0, s1, s2, s3, t0, t1, t2, t3;
984 int r;
985
986 /*
987 * map byte array block to cipher state
988 * and add initial round key:
989 */
990
991 s0 = pt[0] ^ rk[0];
992 s1 = pt[1] ^ rk[1];
993 s2 = pt[2] ^ rk[2];
994 s3 = pt[3] ^ rk[3];
995
996 /*
997 * Nr - 1 full rounds:
998 */
999
1000 r = Nr >> 1;
1001
1002 for (;;) {
1003 t0 = Te0[s0 >> 24] ^
1004 Te1[(s1 >> 16) & 0xff] ^
1005 Te2[(s2 >> 8) & 0xff] ^
1006 Te3[s3 & 0xff] ^
1007 rk[4];
1008
1009 t1 = Te0[s1 >> 24] ^
1010 Te1[(s2 >> 16) & 0xff] ^
1011 Te2[(s3 >> 8) & 0xff] ^
1012 Te3[s0 & 0xff] ^
1013 rk[5];
1014
1015 t2 = Te0[s2 >> 24] ^
1016 Te1[(s3 >> 16) & 0xff] ^
1017 Te2[(s0 >> 8) & 0xff] ^
1018 Te3[s1 & 0xff] ^
1019 rk[6];
1020
1021 t3 = Te0[s3 >> 24] ^
1022 Te1[(s0 >> 16) & 0xff] ^
1023 Te2[(s1 >> 8) & 0xff] ^
1024 Te3[s2 & 0xff] ^
1025 rk[7];
1026
1027 rk += 8;
1028
1029 if (--r == 0) {
1030 break;
1031 }
1032
1033 s0 = Te0[t0 >> 24] ^
1034 Te1[(t1 >> 16) & 0xff] ^
1035 Te2[(t2 >> 8) & 0xff] ^
1036 Te3[t3 & 0xff] ^
1037 rk[0];
1038
1039 s1 = Te0[t1 >> 24] ^
1040 Te1[(t2 >> 16) & 0xff] ^
1041 Te2[(t3 >> 8) & 0xff] ^
1042 Te3[t0 & 0xff] ^
1043 rk[1];
1044
1045 s2 = Te0[t2 >> 24] ^
1046 Te1[(t3 >> 16) & 0xff] ^
1047 Te2[(t0 >> 8) & 0xff] ^
1048 Te3[t1 & 0xff] ^
1049 rk[2];
1050
1051 s3 = Te0[t3 >> 24] ^
1052 Te1[(t0 >> 16) & 0xff] ^
1053 Te2[(t1 >> 8) & 0xff] ^
1054 Te3[t2 & 0xff] ^
1055 rk[3];
1056 }
1057
1058 /*
1059 * apply last round and
1060 * map cipher state to byte array block:
1061 */
1062
1063 s0 = (Te4[(t0 >> 24)] & 0xff000000) ^
1064 (Te4[(t1 >> 16) & 0xff] & 0x00ff0000) ^
1065 (Te4[(t2 >> 8) & 0xff] & 0x0000ff00) ^
1066 (Te4[t3 & 0xff] & 0x000000ff) ^
1067 rk[0];
1068 ct[0] = s0;
1069
1070 s1 = (Te4[(t1 >> 24)] & 0xff000000) ^
1071 (Te4[(t2 >> 16) & 0xff] & 0x00ff0000) ^
1072 (Te4[(t3 >> 8) & 0xff] & 0x0000ff00) ^
1073 (Te4[t0 & 0xff] & 0x000000ff) ^
1074 rk[1];
1075 ct[1] = s1;
1076
1077 s2 = (Te4[(t2 >> 24)] & 0xff000000) ^
1078 (Te4[(t3 >> 16) & 0xff] & 0x00ff0000) ^
1079 (Te4[(t0 >> 8) & 0xff] & 0x0000ff00) ^
1080 (Te4[t1 & 0xff] & 0x000000ff) ^
1081 rk[2];
1082 ct[2] = s2;
1083
1084 s3 = (Te4[(t3 >> 24)] & 0xff000000) ^
1085 (Te4[(t0 >> 16) & 0xff] & 0x00ff0000) ^
1086 (Te4[(t1 >> 8) & 0xff] & 0x0000ff00) ^
1087 (Te4[t2 & 0xff] & 0x000000ff) ^
1088 rk[3];
1089 ct[3] = s3;
1090 }
1091
1092
1093 /*
1094 * Decrypt one block of data. The block is assumed to be an array
1095 * of four uint32_t values, so copy for alignment (and byte-order
1096 * reversal for little endian systems might be necessary on the
1097 * input and output byte streams.
1098 * The size of the key schedule depends on the number of rounds
1099 * (which can be computed from the size of the key), i.e. 4*(Nr + 1).
1100 *
1101 * Parameters:
1102 * rk Key schedule, of aes_ks_t (60 32-bit integers)
1103 * Nr Number of rounds
1104 * ct Input block (crypto text)
1105 * pt Output block (plain text). Can overlap with pt
1106 */
1107 static void
aes_generic_decrypt(const uint32_t rk[],int Nr,const uint32_t ct[4],uint32_t pt[4])1108 aes_generic_decrypt(const uint32_t rk[], int Nr, const uint32_t ct[4],
1109 uint32_t pt[4])
1110 {
1111 uint32_t s0, s1, s2, s3, t0, t1, t2, t3;
1112 int r;
1113
1114 /*
1115 * map byte array block to cipher state
1116 * and add initial round key:
1117 */
1118 s0 = ct[0] ^ rk[0];
1119 s1 = ct[1] ^ rk[1];
1120 s2 = ct[2] ^ rk[2];
1121 s3 = ct[3] ^ rk[3];
1122
1123 /*
1124 * Nr - 1 full rounds:
1125 */
1126
1127 r = Nr >> 1;
1128
1129 for (;;) {
1130 t0 = Td0[s0 >> 24] ^
1131 Td1[(s3 >> 16) & 0xff] ^
1132 Td2[(s2 >> 8) & 0xff] ^
1133 Td3[s1 & 0xff] ^
1134 rk[4];
1135
1136 t1 = Td0[s1 >> 24] ^
1137 Td1[(s0 >> 16) & 0xff] ^
1138 Td2[(s3 >> 8) & 0xff] ^
1139 Td3[s2 & 0xff] ^
1140 rk[5];
1141
1142 t2 = Td0[s2 >> 24] ^
1143 Td1[(s1 >> 16) & 0xff] ^
1144 Td2[(s0 >> 8) & 0xff] ^
1145 Td3[s3 & 0xff] ^
1146 rk[6];
1147
1148 t3 = Td0[s3 >> 24] ^
1149 Td1[(s2 >> 16) & 0xff] ^
1150 Td2[(s1 >> 8) & 0xff] ^
1151 Td3[s0 & 0xff] ^
1152 rk[7];
1153
1154 rk += 8;
1155
1156 if (--r == 0) {
1157 break;
1158 }
1159
1160 s0 = Td0[t0 >> 24] ^
1161 Td1[(t3 >> 16) & 0xff] ^
1162 Td2[(t2 >> 8) & 0xff] ^
1163 Td3[t1 & 0xff] ^
1164 rk[0];
1165
1166 s1 = Td0[t1 >> 24] ^
1167 Td1[(t0 >> 16) & 0xff] ^
1168 Td2[(t3 >> 8) & 0xff] ^
1169 Td3[t2 & 0xff] ^
1170 rk[1];
1171
1172 s2 = Td0[t2 >> 24] ^
1173 Td1[(t1 >> 16) & 0xff] ^
1174 Td2[(t0 >> 8) & 0xff] ^
1175 Td3[t3 & 0xff] ^
1176 rk[2];
1177
1178 s3 = Td0[t3 >> 24] ^
1179 Td1[(t2 >> 16) & 0xff] ^
1180 Td2[(t1 >> 8) & 0xff] ^
1181 Td3[t0 & 0xff] ^
1182 rk[3];
1183 }
1184
1185 /*
1186 * apply last round and
1187 * map cipher state to byte array block:
1188 */
1189
1190 s0 = (Td4[t0 >> 24] & 0xff000000) ^
1191 (Td4[(t3 >> 16) & 0xff] & 0x00ff0000) ^
1192 (Td4[(t2 >> 8) & 0xff] & 0x0000ff00) ^
1193 (Td4[t1 & 0xff] & 0x000000ff) ^
1194 rk[0];
1195 pt[0] = s0;
1196
1197 s1 = (Td4[t1 >> 24] & 0xff000000) ^
1198 (Td4[(t0 >> 16) & 0xff] & 0x00ff0000) ^
1199 (Td4[(t3 >> 8) & 0xff] & 0x0000ff00) ^
1200 (Td4[t2 & 0xff] & 0x000000ff) ^
1201 rk[1];
1202 pt[1] = s1;
1203
1204 s2 = (Td4[t2 >> 24] & 0xff000000) ^
1205 (Td4[(t1 >> 16) & 0xff] & 0x00ff0000) ^
1206 (Td4[(t0 >> 8) & 0xff] & 0x0000ff00) ^
1207 (Td4[t3 & 0xff] & 0x000000ff) ^
1208 rk[2];
1209 pt[2] = s2;
1210
1211 s3 = (Td4[t3 >> 24] & 0xff000000) ^
1212 (Td4[(t2 >> 16) & 0xff] & 0x00ff0000) ^
1213 (Td4[(t1 >> 8) & 0xff] & 0x0000ff00) ^
1214 (Td4[t0 & 0xff] & 0x000000ff) ^
1215 rk[3];
1216 pt[3] = s3;
1217 }
1218
1219 static boolean_t
aes_generic_will_work(void)1220 aes_generic_will_work(void)
1221 {
1222 return (B_TRUE);
1223 }
1224
1225 /*
1226 * For _LITTLE_ENDIAN machines, reverse every 4 bytes in the key.
1227 * On _BIG_ENDIAN, copy the key without reversing bytes.
1228 *
1229 * SPARCv8/v9 uses a key schedule array with 64-bit elements.
1230 * X86/AMD64 uses a key schedule array with 32-bit elements.
1231 */
1232 const aes_impl_ops_t aes_generic_impl = {
1233 .generate = &aes_generic_generate,
1234 .encrypt = &aes_generic_encrypt,
1235 .decrypt = &aes_generic_decrypt,
1236 .is_supported = &aes_generic_will_work,
1237 #if defined(_ZFS_LITTLE_ENDIAN)
1238 .needs_byteswap = B_TRUE,
1239 #else
1240 .needs_byteswap = B_FALSE,
1241 #endif
1242 .name = "generic"
1243 };
1244