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comparison AES/rijndael.cpp @ 1:0b3630a29ad8

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Initial version based on previous repository. Project was ported to QT6 and in now cmake based.
author Ideenmodellierer <tiefenrauscher@web.de>
date Thu, 27 Nov 2025 18:40:28 +0100
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0:76ccd6ce50c0 1:0b3630a29ad8
1 //////////////////////////////////////////////////////////////////////////////
2 /// \file rijndael.cpp
3 /// \brief Public Domain AES encryption/decryption
4 /// \author Philip J. Erdelsky <pje@efgh.com>, JD Gascuel, and others.
5 ///
6 /// \copyright (c) 2015 JD Gascuel. All rights reserved.
7 /// $Id$
8 //////////////////////////////////////////////////////////////////////////////
9 //
10 // BSD 2-Clause License:
11 //
12 // Redistribution and use in source and binary forms, with or without
13 // modification, are permitted provided that the following conditions
14 // are met:
15 //
16 // 1. Redistributions of source code must retain the above copyright notice,
17 // this list of conditions and the following disclaimer.
18 //
19 // 2. Redistributions in binary form must reproduce the above copyright notice,
20 // this list of conditions and the following disclaimer in the documentation
21 // and/or other materials provided with the distribution.
22 //
23 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
24 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
27 // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31 // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
33 // THE POSSIBILITY OF SUCH DAMAGE.
34 //
35 //////////////////////////////////////////////////////////////////////////////
36
37 #include "rijndael.h"
38
39 #ifdef WIN32
40 # include <Windows.h> // GetTickCount64()
41 #else
42 # include <sys/time.h> // gettimeofday()
43 #endif
44
45 namespace Rijndael {
46
47 #define FULL_UNROLL
48
49 static const Word32 Te0[256] =
50 {
51 0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU,
52 0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U,
53 0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU,
54 0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU,
55 0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U,
56 0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU,
57 0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU,
58 0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU,
59 0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU,
60 0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU,
61 0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U,
62 0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU,
63 0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU,
64 0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U,
65 0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU,
66 0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU,
67 0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU,
68 0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU,
69 0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU,
70 0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U,
71 0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU,
72 0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU,
73 0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU,
74 0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU,
75 0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U,
76 0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U,
77 0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U,
78 0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U,
79 0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU,
80 0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U,
81 0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U,
82 0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU,
83 0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU,
84 0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U,
85 0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U,
86 0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U,
87 0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU,
88 0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U,
89 0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU,
90 0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U,
91 0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU,
92 0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U,
93 0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U,
94 0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU,
95 0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U,
96 0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U,
97 0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U,
98 0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U,
99 0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U,
100 0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U,
101 0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U,
102 0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U,
103 0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU,
104 0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U,
105 0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U,
106 0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U,
107 0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U,
108 0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U,
109 0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U,
110 0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU,
111 0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U,
112 0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U,
113 0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U,
114 0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU,
115 };
116
117 static const Word32 Te1[256] =
118 {
119 0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU,
120 0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U,
121 0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU,
122 0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U,
123 0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU,
124 0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U,
125 0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU,
126 0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U,
127 0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U,
128 0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU,
129 0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U,
130 0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U,
131 0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U,
132 0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU,
133 0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U,
134 0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U,
135 0x1b120909U, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU,
136 0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U,
137 0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U,
138 0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U,
139 0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU,
140 0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU,
141 0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U,
142 0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU,
143 0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU,
144 0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U,
145 0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU,
146 0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U,
147 0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, 0x8a058f8fU,
148 0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U,
149 0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U,
150 0x30201010U, 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U,
151 0x4c81cdcdU, 0x14180c0cU, 0x35261313U, 0x2fc3ececU,
152 0xe1be5f5fU, 0xa2359797U, 0xcc884444U, 0x392e1717U,
153 0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU,
154 0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U,
155 0xa0c06060U, 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU,
156 0x66442222U, 0x7e542a2aU, 0xab3b9090U, 0x830b8888U,
157 0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, 0x3c281414U,
158 0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU,
159 0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU,
160 0xdb924949U, 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU,
161 0x5d9fc2c2U, 0x6ebdd3d3U, 0xef43acacU, 0xa6c46262U,
162 0xa8399191U, 0xa4319595U, 0x37d3e4e4U, 0x8bf27979U,
163 0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU,
164 0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U,
165 0xb4d86c6cU, 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU,
166 0xafca6565U, 0x8ef47a7aU, 0xe947aeaeU, 0x18100808U,
167 0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, 0x725c2e2eU,
168 0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U,
169 0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU,
170 0xdd964b4bU, 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU,
171 0x90e07070U, 0x427c3e3eU, 0xc471b5b5U, 0xaacc6666U,
172 0xd8904848U, 0x05060303U, 0x01f7f6f6U, 0x121c0e0eU,
173 0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U,
174 0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU,
175 0x38d9e1e1U, 0x13ebf8f8U, 0xb32b9898U, 0x33221111U,
176 0xbbd26969U, 0x70a9d9d9U, 0x89078e8eU, 0xa7339494U,
177 0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, 0x20c9e9e9U,
178 0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU,
179 0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU,
180 0xda65bfbfU, 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U,
181 0xc3824141U, 0xb0299999U, 0x775a2d2dU, 0x111e0f0fU,
182 0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, 0x3a2c1616U,
183 };
184
185 static const Word32 Te2[256] =
186 {
187 0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU,
188 0xf20dfff2U, 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U,
189 0x30506030U, 0x01030201U, 0x67a9ce67U, 0x2b7d562bU,
190 0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, 0x769aec76U,
191 0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU,
192 0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U,
193 0xadec41adU, 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU,
194 0x9cbf239cU, 0xa4f753a4U, 0x7296e472U, 0xc05b9bc0U,
195 0xb7c275b7U, 0xfd1ce1fdU, 0x93ae3d93U, 0x266a4c26U,
196 0x365a6c36U, 0x3f417e3fU, 0xf702f5f7U, 0xcc4f83ccU,
197 0x345c6834U, 0xa5f451a5U, 0xe534d1e5U, 0xf108f9f1U,
198 0x7193e271U, 0xd873abd8U, 0x31536231U, 0x153f2a15U,
199 0x040c0804U, 0xc75295c7U, 0x23654623U, 0xc35e9dc3U,
200 0x18283018U, 0x96a13796U, 0x050f0a05U, 0x9ab52f9aU,
201 0x07090e07U, 0x12362412U, 0x809b1b80U, 0xe23ddfe2U,
202 0xeb26cdebU, 0x27694e27U, 0xb2cd7fb2U, 0x759fea75U,
203 0x091b1209U, 0x839e1d83U, 0x2c74582cU, 0x1a2e341aU,
204 0x1b2d361bU, 0x6eb2dc6eU, 0x5aeeb45aU, 0xa0fb5ba0U,
205 0x52f6a452U, 0x3b4d763bU, 0xd661b7d6U, 0xb3ce7db3U,
206 0x297b5229U, 0xe33edde3U, 0x2f715e2fU, 0x84971384U,
207 0x53f5a653U, 0xd168b9d1U, 0x00000000U, 0xed2cc1edU,
208 0x20604020U, 0xfc1fe3fcU, 0xb1c879b1U, 0x5bedb65bU,
209 0x6abed46aU, 0xcb468dcbU, 0xbed967beU, 0x394b7239U,
210 0x4ade944aU, 0x4cd4984cU, 0x58e8b058U, 0xcf4a85cfU,
211 0xd06bbbd0U, 0xef2ac5efU, 0xaae54faaU, 0xfb16edfbU,
212 0x43c58643U, 0x4dd79a4dU, 0x33556633U, 0x85941185U,
213 0x45cf8a45U, 0xf910e9f9U, 0x02060402U, 0x7f81fe7fU,
214 0x50f0a050U, 0x3c44783cU, 0x9fba259fU, 0xa8e34ba8U,
215 0x51f3a251U, 0xa3fe5da3U, 0x40c08040U, 0x8f8a058fU,
216 0x92ad3f92U, 0x9dbc219dU, 0x38487038U, 0xf504f1f5U,
217 0xbcdf63bcU, 0xb6c177b6U, 0xda75afdaU, 0x21634221U,
218 0x10302010U, 0xff1ae5ffU, 0xf30efdf3U, 0xd26dbfd2U,
219 0xcd4c81cdU, 0x0c14180cU, 0x13352613U, 0xec2fc3ecU,
220 0x5fe1be5fU, 0x97a23597U, 0x44cc8844U, 0x17392e17U,
221 0xc45793c4U, 0xa7f255a7U, 0x7e82fc7eU, 0x3d477a3dU,
222 0x64acc864U, 0x5de7ba5dU, 0x192b3219U, 0x7395e673U,
223 0x60a0c060U, 0x81981981U, 0x4fd19e4fU, 0xdc7fa3dcU,
224 0x22664422U, 0x2a7e542aU, 0x90ab3b90U, 0x88830b88U,
225 0x46ca8c46U, 0xee29c7eeU, 0xb8d36bb8U, 0x143c2814U,
226 0xde79a7deU, 0x5ee2bc5eU, 0x0b1d160bU, 0xdb76addbU,
227 0xe03bdbe0U, 0x32566432U, 0x3a4e743aU, 0x0a1e140aU,
228 0x49db9249U, 0x060a0c06U, 0x246c4824U, 0x5ce4b85cU,
229 0xc25d9fc2U, 0xd36ebdd3U, 0xacef43acU, 0x62a6c462U,
230 0x91a83991U, 0x95a43195U, 0xe437d3e4U, 0x798bf279U,
231 0xe732d5e7U, 0xc8438bc8U, 0x37596e37U, 0x6db7da6dU,
232 0x8d8c018dU, 0xd564b1d5U, 0x4ed29c4eU, 0xa9e049a9U,
233 0x6cb4d86cU, 0x56faac56U, 0xf407f3f4U, 0xea25cfeaU,
234 0x65afca65U, 0x7a8ef47aU, 0xaee947aeU, 0x08181008U,
235 0xbad56fbaU, 0x7888f078U, 0x256f4a25U, 0x2e725c2eU,
236 0x1c24381cU, 0xa6f157a6U, 0xb4c773b4U, 0xc65197c6U,
237 0xe823cbe8U, 0xdd7ca1ddU, 0x749ce874U, 0x1f213e1fU,
238 0x4bdd964bU, 0xbddc61bdU, 0x8b860d8bU, 0x8a850f8aU,
239 0x7090e070U, 0x3e427c3eU, 0xb5c471b5U, 0x66aacc66U,
240 0x48d89048U, 0x03050603U, 0xf601f7f6U, 0x0e121c0eU,
241 0x61a3c261U, 0x355f6a35U, 0x57f9ae57U, 0xb9d069b9U,
242 0x86911786U, 0xc15899c1U, 0x1d273a1dU, 0x9eb9279eU,
243 0xe138d9e1U, 0xf813ebf8U, 0x98b32b98U, 0x11332211U,
244 0x69bbd269U, 0xd970a9d9U, 0x8e89078eU, 0x94a73394U,
245 0x9bb62d9bU, 0x1e223c1eU, 0x87921587U, 0xe920c9e9U,
246 0xce4987ceU, 0x55ffaa55U, 0x28785028U, 0xdf7aa5dfU,
247 0x8c8f038cU, 0xa1f859a1U, 0x89800989U, 0x0d171a0dU,
248 0xbfda65bfU, 0xe631d7e6U, 0x42c68442U, 0x68b8d068U,
249 0x41c38241U, 0x99b02999U, 0x2d775a2dU, 0x0f111e0fU,
250 0xb0cb7bb0U, 0x54fca854U, 0xbbd66dbbU, 0x163a2c16U,
251 };
252
253 static const Word32 Te3[256] =
254 {
255 0x6363a5c6U, 0x7c7c84f8U, 0x777799eeU, 0x7b7b8df6U,
256 0xf2f20dffU, 0x6b6bbdd6U, 0x6f6fb1deU, 0xc5c55491U,
257 0x30305060U, 0x01010302U, 0x6767a9ceU, 0x2b2b7d56U,
258 0xfefe19e7U, 0xd7d762b5U, 0xababe64dU, 0x76769aecU,
259 0xcaca458fU, 0x82829d1fU, 0xc9c94089U, 0x7d7d87faU,
260 0xfafa15efU, 0x5959ebb2U, 0x4747c98eU, 0xf0f00bfbU,
261 0xadadec41U, 0xd4d467b3U, 0xa2a2fd5fU, 0xafafea45U,
262 0x9c9cbf23U, 0xa4a4f753U, 0x727296e4U, 0xc0c05b9bU,
263 0xb7b7c275U, 0xfdfd1ce1U, 0x9393ae3dU, 0x26266a4cU,
264 0x36365a6cU, 0x3f3f417eU, 0xf7f702f5U, 0xcccc4f83U,
265 0x34345c68U, 0xa5a5f451U, 0xe5e534d1U, 0xf1f108f9U,
266 0x717193e2U, 0xd8d873abU, 0x31315362U, 0x15153f2aU,
267 0x04040c08U, 0xc7c75295U, 0x23236546U, 0xc3c35e9dU,
268 0x18182830U, 0x9696a137U, 0x05050f0aU, 0x9a9ab52fU,
269 0x0707090eU, 0x12123624U, 0x80809b1bU, 0xe2e23ddfU,
270 0xebeb26cdU, 0x2727694eU, 0xb2b2cd7fU, 0x75759feaU,
271 0x09091b12U, 0x83839e1dU, 0x2c2c7458U, 0x1a1a2e34U,
272 0x1b1b2d36U, 0x6e6eb2dcU, 0x5a5aeeb4U, 0xa0a0fb5bU,
273 0x5252f6a4U, 0x3b3b4d76U, 0xd6d661b7U, 0xb3b3ce7dU,
274 0x29297b52U, 0xe3e33eddU, 0x2f2f715eU, 0x84849713U,
275 0x5353f5a6U, 0xd1d168b9U, 0x00000000U, 0xeded2cc1U,
276 0x20206040U, 0xfcfc1fe3U, 0xb1b1c879U, 0x5b5bedb6U,
277 0x6a6abed4U, 0xcbcb468dU, 0xbebed967U, 0x39394b72U,
278 0x4a4ade94U, 0x4c4cd498U, 0x5858e8b0U, 0xcfcf4a85U,
279 0xd0d06bbbU, 0xefef2ac5U, 0xaaaae54fU, 0xfbfb16edU,
280 0x4343c586U, 0x4d4dd79aU, 0x33335566U, 0x85859411U,
281 0x4545cf8aU, 0xf9f910e9U, 0x02020604U, 0x7f7f81feU,
282 0x5050f0a0U, 0x3c3c4478U, 0x9f9fba25U, 0xa8a8e34bU,
283 0x5151f3a2U, 0xa3a3fe5dU, 0x4040c080U, 0x8f8f8a05U,
284 0x9292ad3fU, 0x9d9dbc21U, 0x38384870U, 0xf5f504f1U,
285 0xbcbcdf63U, 0xb6b6c177U, 0xdada75afU, 0x21216342U,
286 0x10103020U, 0xffff1ae5U, 0xf3f30efdU, 0xd2d26dbfU,
287 0xcdcd4c81U, 0x0c0c1418U, 0x13133526U, 0xecec2fc3U,
288 0x5f5fe1beU, 0x9797a235U, 0x4444cc88U, 0x1717392eU,
289 0xc4c45793U, 0xa7a7f255U, 0x7e7e82fcU, 0x3d3d477aU,
290 0x6464acc8U, 0x5d5de7baU, 0x19192b32U, 0x737395e6U,
291 0x6060a0c0U, 0x81819819U, 0x4f4fd19eU, 0xdcdc7fa3U,
292 0x22226644U, 0x2a2a7e54U, 0x9090ab3bU, 0x8888830bU,
293 0x4646ca8cU, 0xeeee29c7U, 0xb8b8d36bU, 0x14143c28U,
294 0xdede79a7U, 0x5e5ee2bcU, 0x0b0b1d16U, 0xdbdb76adU,
295 0xe0e03bdbU, 0x32325664U, 0x3a3a4e74U, 0x0a0a1e14U,
296 0x4949db92U, 0x06060a0cU, 0x24246c48U, 0x5c5ce4b8U,
297 0xc2c25d9fU, 0xd3d36ebdU, 0xacacef43U, 0x6262a6c4U,
298 0x9191a839U, 0x9595a431U, 0xe4e437d3U, 0x79798bf2U,
299 0xe7e732d5U, 0xc8c8438bU, 0x3737596eU, 0x6d6db7daU,
300 0x8d8d8c01U, 0xd5d564b1U, 0x4e4ed29cU, 0xa9a9e049U,
301 0x6c6cb4d8U, 0x5656faacU, 0xf4f407f3U, 0xeaea25cfU,
302 0x6565afcaU, 0x7a7a8ef4U, 0xaeaee947U, 0x08081810U,
303 0xbabad56fU, 0x787888f0U, 0x25256f4aU, 0x2e2e725cU,
304 0x1c1c2438U, 0xa6a6f157U, 0xb4b4c773U, 0xc6c65197U,
305 0xe8e823cbU, 0xdddd7ca1U, 0x74749ce8U, 0x1f1f213eU,
306 0x4b4bdd96U, 0xbdbddc61U, 0x8b8b860dU, 0x8a8a850fU,
307 0x707090e0U, 0x3e3e427cU, 0xb5b5c471U, 0x6666aaccU,
308 0x4848d890U, 0x03030506U, 0xf6f601f7U, 0x0e0e121cU,
309 0x6161a3c2U, 0x35355f6aU, 0x5757f9aeU, 0xb9b9d069U,
310 0x86869117U, 0xc1c15899U, 0x1d1d273aU, 0x9e9eb927U,
311 0xe1e138d9U, 0xf8f813ebU, 0x9898b32bU, 0x11113322U,
312 0x6969bbd2U, 0xd9d970a9U, 0x8e8e8907U, 0x9494a733U,
313 0x9b9bb62dU, 0x1e1e223cU, 0x87879215U, 0xe9e920c9U,
314 0xcece4987U, 0x5555ffaaU, 0x28287850U, 0xdfdf7aa5U,
315 0x8c8c8f03U, 0xa1a1f859U, 0x89898009U, 0x0d0d171aU,
316 0xbfbfda65U, 0xe6e631d7U, 0x4242c684U, 0x6868b8d0U,
317 0x4141c382U, 0x9999b029U, 0x2d2d775aU, 0x0f0f111eU,
318 0xb0b0cb7bU, 0x5454fca8U, 0xbbbbd66dU, 0x16163a2cU,
319 };
320
321 static const Word32 Te4[256] =
322 {
323 0x63636363U, 0x7c7c7c7cU, 0x77777777U, 0x7b7b7b7bU,
324 0xf2f2f2f2U, 0x6b6b6b6bU, 0x6f6f6f6fU, 0xc5c5c5c5U,
325 0x30303030U, 0x01010101U, 0x67676767U, 0x2b2b2b2bU,
326 0xfefefefeU, 0xd7d7d7d7U, 0xababababU, 0x76767676U,
327 0xcacacacaU, 0x82828282U, 0xc9c9c9c9U, 0x7d7d7d7dU,
328 0xfafafafaU, 0x59595959U, 0x47474747U, 0xf0f0f0f0U,
329 0xadadadadU, 0xd4d4d4d4U, 0xa2a2a2a2U, 0xafafafafU,
330 0x9c9c9c9cU, 0xa4a4a4a4U, 0x72727272U, 0xc0c0c0c0U,
331 0xb7b7b7b7U, 0xfdfdfdfdU, 0x93939393U, 0x26262626U,
332 0x36363636U, 0x3f3f3f3fU, 0xf7f7f7f7U, 0xccccccccU,
333 0x34343434U, 0xa5a5a5a5U, 0xe5e5e5e5U, 0xf1f1f1f1U,
334 0x71717171U, 0xd8d8d8d8U, 0x31313131U, 0x15151515U,
335 0x04040404U, 0xc7c7c7c7U, 0x23232323U, 0xc3c3c3c3U,
336 0x18181818U, 0x96969696U, 0x05050505U, 0x9a9a9a9aU,
337 0x07070707U, 0x12121212U, 0x80808080U, 0xe2e2e2e2U,
338 0xebebebebU, 0x27272727U, 0xb2b2b2b2U, 0x75757575U,
339 0x09090909U, 0x83838383U, 0x2c2c2c2cU, 0x1a1a1a1aU,
340 0x1b1b1b1bU, 0x6e6e6e6eU, 0x5a5a5a5aU, 0xa0a0a0a0U,
341 0x52525252U, 0x3b3b3b3bU, 0xd6d6d6d6U, 0xb3b3b3b3U,
342 0x29292929U, 0xe3e3e3e3U, 0x2f2f2f2fU, 0x84848484U,
343 0x53535353U, 0xd1d1d1d1U, 0x00000000U, 0xededededU,
344 0x20202020U, 0xfcfcfcfcU, 0xb1b1b1b1U, 0x5b5b5b5bU,
345 0x6a6a6a6aU, 0xcbcbcbcbU, 0xbebebebeU, 0x39393939U,
346 0x4a4a4a4aU, 0x4c4c4c4cU, 0x58585858U, 0xcfcfcfcfU,
347 0xd0d0d0d0U, 0xefefefefU, 0xaaaaaaaaU, 0xfbfbfbfbU,
348 0x43434343U, 0x4d4d4d4dU, 0x33333333U, 0x85858585U,
349 0x45454545U, 0xf9f9f9f9U, 0x02020202U, 0x7f7f7f7fU,
350 0x50505050U, 0x3c3c3c3cU, 0x9f9f9f9fU, 0xa8a8a8a8U,
351 0x51515151U, 0xa3a3a3a3U, 0x40404040U, 0x8f8f8f8fU,
352 0x92929292U, 0x9d9d9d9dU, 0x38383838U, 0xf5f5f5f5U,
353 0xbcbcbcbcU, 0xb6b6b6b6U, 0xdadadadaU, 0x21212121U,
354 0x10101010U, 0xffffffffU, 0xf3f3f3f3U, 0xd2d2d2d2U,
355 0xcdcdcdcdU, 0x0c0c0c0cU, 0x13131313U, 0xececececU,
356 0x5f5f5f5fU, 0x97979797U, 0x44444444U, 0x17171717U,
357 0xc4c4c4c4U, 0xa7a7a7a7U, 0x7e7e7e7eU, 0x3d3d3d3dU,
358 0x64646464U, 0x5d5d5d5dU, 0x19191919U, 0x73737373U,
359 0x60606060U, 0x81818181U, 0x4f4f4f4fU, 0xdcdcdcdcU,
360 0x22222222U, 0x2a2a2a2aU, 0x90909090U, 0x88888888U,
361 0x46464646U, 0xeeeeeeeeU, 0xb8b8b8b8U, 0x14141414U,
362 0xdedededeU, 0x5e5e5e5eU, 0x0b0b0b0bU, 0xdbdbdbdbU,
363 0xe0e0e0e0U, 0x32323232U, 0x3a3a3a3aU, 0x0a0a0a0aU,
364 0x49494949U, 0x06060606U, 0x24242424U, 0x5c5c5c5cU,
365 0xc2c2c2c2U, 0xd3d3d3d3U, 0xacacacacU, 0x62626262U,
366 0x91919191U, 0x95959595U, 0xe4e4e4e4U, 0x79797979U,
367 0xe7e7e7e7U, 0xc8c8c8c8U, 0x37373737U, 0x6d6d6d6dU,
368 0x8d8d8d8dU, 0xd5d5d5d5U, 0x4e4e4e4eU, 0xa9a9a9a9U,
369 0x6c6c6c6cU, 0x56565656U, 0xf4f4f4f4U, 0xeaeaeaeaU,
370 0x65656565U, 0x7a7a7a7aU, 0xaeaeaeaeU, 0x08080808U,
371 0xbabababaU, 0x78787878U, 0x25252525U, 0x2e2e2e2eU,
372 0x1c1c1c1cU, 0xa6a6a6a6U, 0xb4b4b4b4U, 0xc6c6c6c6U,
373 0xe8e8e8e8U, 0xddddddddU, 0x74747474U, 0x1f1f1f1fU,
374 0x4b4b4b4bU, 0xbdbdbdbdU, 0x8b8b8b8bU, 0x8a8a8a8aU,
375 0x70707070U, 0x3e3e3e3eU, 0xb5b5b5b5U, 0x66666666U,
376 0x48484848U, 0x03030303U, 0xf6f6f6f6U, 0x0e0e0e0eU,
377 0x61616161U, 0x35353535U, 0x57575757U, 0xb9b9b9b9U,
378 0x86868686U, 0xc1c1c1c1U, 0x1d1d1d1dU, 0x9e9e9e9eU,
379 0xe1e1e1e1U, 0xf8f8f8f8U, 0x98989898U, 0x11111111U,
380 0x69696969U, 0xd9d9d9d9U, 0x8e8e8e8eU, 0x94949494U,
381 0x9b9b9b9bU, 0x1e1e1e1eU, 0x87878787U, 0xe9e9e9e9U,
382 0xcecececeU, 0x55555555U, 0x28282828U, 0xdfdfdfdfU,
383 0x8c8c8c8cU, 0xa1a1a1a1U, 0x89898989U, 0x0d0d0d0dU,
384 0xbfbfbfbfU, 0xe6e6e6e6U, 0x42424242U, 0x68686868U,
385 0x41414141U, 0x99999999U, 0x2d2d2d2dU, 0x0f0f0f0fU,
386 0xb0b0b0b0U, 0x54545454U, 0xbbbbbbbbU, 0x16161616U,
387 };
388
389 static const Word32 Td0[256] =
390 {
391 0x51f4a750U, 0x7e416553U, 0x1a17a4c3U, 0x3a275e96U,
392 0x3bab6bcbU, 0x1f9d45f1U, 0xacfa58abU, 0x4be30393U,
393 0x2030fa55U, 0xad766df6U, 0x88cc7691U, 0xf5024c25U,
394 0x4fe5d7fcU, 0xc52acbd7U, 0x26354480U, 0xb562a38fU,
395 0xdeb15a49U, 0x25ba1b67U, 0x45ea0e98U, 0x5dfec0e1U,
396 0xc32f7502U, 0x814cf012U, 0x8d4697a3U, 0x6bd3f9c6U,
397 0x038f5fe7U, 0x15929c95U, 0xbf6d7aebU, 0x955259daU,
398 0xd4be832dU, 0x587421d3U, 0x49e06929U, 0x8ec9c844U,
399 0x75c2896aU, 0xf48e7978U, 0x99583e6bU, 0x27b971ddU,
400 0xbee14fb6U, 0xf088ad17U, 0xc920ac66U, 0x7dce3ab4U,
401 0x63df4a18U, 0xe51a3182U, 0x97513360U, 0x62537f45U,
402 0xb16477e0U, 0xbb6bae84U, 0xfe81a01cU, 0xf9082b94U,
403 0x70486858U, 0x8f45fd19U, 0x94de6c87U, 0x527bf8b7U,
404 0xab73d323U, 0x724b02e2U, 0xe31f8f57U, 0x6655ab2aU,
405 0xb2eb2807U, 0x2fb5c203U, 0x86c57b9aU, 0xd33708a5U,
406 0x302887f2U, 0x23bfa5b2U, 0x02036abaU, 0xed16825cU,
407 0x8acf1c2bU, 0xa779b492U, 0xf307f2f0U, 0x4e69e2a1U,
408 0x65daf4cdU, 0x0605bed5U, 0xd134621fU, 0xc4a6fe8aU,
409 0x342e539dU, 0xa2f355a0U, 0x058ae132U, 0xa4f6eb75U,
410 0x0b83ec39U, 0x4060efaaU, 0x5e719f06U, 0xbd6e1051U,
411 0x3e218af9U, 0x96dd063dU, 0xdd3e05aeU, 0x4de6bd46U,
412 0x91548db5U, 0x71c45d05U, 0x0406d46fU, 0x605015ffU,
413 0x1998fb24U, 0xd6bde997U, 0x894043ccU, 0x67d99e77U,
414 0xb0e842bdU, 0x07898b88U, 0xe7195b38U, 0x79c8eedbU,
415 0xa17c0a47U, 0x7c420fe9U, 0xf8841ec9U, 0x00000000U,
416 0x09808683U, 0x322bed48U, 0x1e1170acU, 0x6c5a724eU,
417 0xfd0efffbU, 0x0f853856U, 0x3daed51eU, 0x362d3927U,
418 0x0a0fd964U, 0x685ca621U, 0x9b5b54d1U, 0x24362e3aU,
419 0x0c0a67b1U, 0x9357e70fU, 0xb4ee96d2U, 0x1b9b919eU,
420 0x80c0c54fU, 0x61dc20a2U, 0x5a774b69U, 0x1c121a16U,
421 0xe293ba0aU, 0xc0a02ae5U, 0x3c22e043U, 0x121b171dU,
422 0x0e090d0bU, 0xf28bc7adU, 0x2db6a8b9U, 0x141ea9c8U,
423 0x57f11985U, 0xaf75074cU, 0xee99ddbbU, 0xa37f60fdU,
424 0xf701269fU, 0x5c72f5bcU, 0x44663bc5U, 0x5bfb7e34U,
425 0x8b432976U, 0xcb23c6dcU, 0xb6edfc68U, 0xb8e4f163U,
426 0xd731dccaU, 0x42638510U, 0x13972240U, 0x84c61120U,
427 0x854a247dU, 0xd2bb3df8U, 0xaef93211U, 0xc729a16dU,
428 0x1d9e2f4bU, 0xdcb230f3U, 0x0d8652ecU, 0x77c1e3d0U,
429 0x2bb3166cU, 0xa970b999U, 0x119448faU, 0x47e96422U,
430 0xa8fc8cc4U, 0xa0f03f1aU, 0x567d2cd8U, 0x223390efU,
431 0x87494ec7U, 0xd938d1c1U, 0x8ccaa2feU, 0x98d40b36U,
432 0xa6f581cfU, 0xa57ade28U, 0xdab78e26U, 0x3fadbfa4U,
433 0x2c3a9de4U, 0x5078920dU, 0x6a5fcc9bU, 0x547e4662U,
434 0xf68d13c2U, 0x90d8b8e8U, 0x2e39f75eU, 0x82c3aff5U,
435 0x9f5d80beU, 0x69d0937cU, 0x6fd52da9U, 0xcf2512b3U,
436 0xc8ac993bU, 0x10187da7U, 0xe89c636eU, 0xdb3bbb7bU,
437 0xcd267809U, 0x6e5918f4U, 0xec9ab701U, 0x834f9aa8U,
438 0xe6956e65U, 0xaaffe67eU, 0x21bccf08U, 0xef15e8e6U,
439 0xbae79bd9U, 0x4a6f36ceU, 0xea9f09d4U, 0x29b07cd6U,
440 0x31a4b2afU, 0x2a3f2331U, 0xc6a59430U, 0x35a266c0U,
441 0x744ebc37U, 0xfc82caa6U, 0xe090d0b0U, 0x33a7d815U,
442 0xf104984aU, 0x41ecdaf7U, 0x7fcd500eU, 0x1791f62fU,
443 0x764dd68dU, 0x43efb04dU, 0xccaa4d54U, 0xe49604dfU,
444 0x9ed1b5e3U, 0x4c6a881bU, 0xc12c1fb8U, 0x4665517fU,
445 0x9d5eea04U, 0x018c355dU, 0xfa877473U, 0xfb0b412eU,
446 0xb3671d5aU, 0x92dbd252U, 0xe9105633U, 0x6dd64713U,
447 0x9ad7618cU, 0x37a10c7aU, 0x59f8148eU, 0xeb133c89U,
448 0xcea927eeU, 0xb761c935U, 0xe11ce5edU, 0x7a47b13cU,
449 0x9cd2df59U, 0x55f2733fU, 0x1814ce79U, 0x73c737bfU,
450 0x53f7cdeaU, 0x5ffdaa5bU, 0xdf3d6f14U, 0x7844db86U,
451 0xcaaff381U, 0xb968c43eU, 0x3824342cU, 0xc2a3405fU,
452 0x161dc372U, 0xbce2250cU, 0x283c498bU, 0xff0d9541U,
453 0x39a80171U, 0x080cb3deU, 0xd8b4e49cU, 0x6456c190U,
454 0x7bcb8461U, 0xd532b670U, 0x486c5c74U, 0xd0b85742U,
455 };
456
457 static const Word32 Td1[256] =
458 {
459 0x5051f4a7U, 0x537e4165U, 0xc31a17a4U, 0x963a275eU,
460 0xcb3bab6bU, 0xf11f9d45U, 0xabacfa58U, 0x934be303U,
461 0x552030faU, 0xf6ad766dU, 0x9188cc76U, 0x25f5024cU,
462 0xfc4fe5d7U, 0xd7c52acbU, 0x80263544U, 0x8fb562a3U,
463 0x49deb15aU, 0x6725ba1bU, 0x9845ea0eU, 0xe15dfec0U,
464 0x02c32f75U, 0x12814cf0U, 0xa38d4697U, 0xc66bd3f9U,
465 0xe7038f5fU, 0x9515929cU, 0xebbf6d7aU, 0xda955259U,
466 0x2dd4be83U, 0xd3587421U, 0x2949e069U, 0x448ec9c8U,
467 0x6a75c289U, 0x78f48e79U, 0x6b99583eU, 0xdd27b971U,
468 0xb6bee14fU, 0x17f088adU, 0x66c920acU, 0xb47dce3aU,
469 0x1863df4aU, 0x82e51a31U, 0x60975133U, 0x4562537fU,
470 0xe0b16477U, 0x84bb6baeU, 0x1cfe81a0U, 0x94f9082bU,
471 0x58704868U, 0x198f45fdU, 0x8794de6cU, 0xb7527bf8U,
472 0x23ab73d3U, 0xe2724b02U, 0x57e31f8fU, 0x2a6655abU,
473 0x07b2eb28U, 0x032fb5c2U, 0x9a86c57bU, 0xa5d33708U,
474 0xf2302887U, 0xb223bfa5U, 0xba02036aU, 0x5ced1682U,
475 0x2b8acf1cU, 0x92a779b4U, 0xf0f307f2U, 0xa14e69e2U,
476 0xcd65daf4U, 0xd50605beU, 0x1fd13462U, 0x8ac4a6feU,
477 0x9d342e53U, 0xa0a2f355U, 0x32058ae1U, 0x75a4f6ebU,
478 0x390b83ecU, 0xaa4060efU, 0x065e719fU, 0x51bd6e10U,
479 0xf93e218aU, 0x3d96dd06U, 0xaedd3e05U, 0x464de6bdU,
480 0xb591548dU, 0x0571c45dU, 0x6f0406d4U, 0xff605015U,
481 0x241998fbU, 0x97d6bde9U, 0xcc894043U, 0x7767d99eU,
482 0xbdb0e842U, 0x8807898bU, 0x38e7195bU, 0xdb79c8eeU,
483 0x47a17c0aU, 0xe97c420fU, 0xc9f8841eU, 0x00000000U,
484 0x83098086U, 0x48322bedU, 0xac1e1170U, 0x4e6c5a72U,
485 0xfbfd0effU, 0x560f8538U, 0x1e3daed5U, 0x27362d39U,
486 0x640a0fd9U, 0x21685ca6U, 0xd19b5b54U, 0x3a24362eU,
487 0xb10c0a67U, 0x0f9357e7U, 0xd2b4ee96U, 0x9e1b9b91U,
488 0x4f80c0c5U, 0xa261dc20U, 0x695a774bU, 0x161c121aU,
489 0x0ae293baU, 0xe5c0a02aU, 0x433c22e0U, 0x1d121b17U,
490 0x0b0e090dU, 0xadf28bc7U, 0xb92db6a8U, 0xc8141ea9U,
491 0x8557f119U, 0x4caf7507U, 0xbbee99ddU, 0xfda37f60U,
492 0x9ff70126U, 0xbc5c72f5U, 0xc544663bU, 0x345bfb7eU,
493 0x768b4329U, 0xdccb23c6U, 0x68b6edfcU, 0x63b8e4f1U,
494 0xcad731dcU, 0x10426385U, 0x40139722U, 0x2084c611U,
495 0x7d854a24U, 0xf8d2bb3dU, 0x11aef932U, 0x6dc729a1U,
496 0x4b1d9e2fU, 0xf3dcb230U, 0xec0d8652U, 0xd077c1e3U,
497 0x6c2bb316U, 0x99a970b9U, 0xfa119448U, 0x2247e964U,
498 0xc4a8fc8cU, 0x1aa0f03fU, 0xd8567d2cU, 0xef223390U,
499 0xc787494eU, 0xc1d938d1U, 0xfe8ccaa2U, 0x3698d40bU,
500 0xcfa6f581U, 0x28a57adeU, 0x26dab78eU, 0xa43fadbfU,
501 0xe42c3a9dU, 0x0d507892U, 0x9b6a5fccU, 0x62547e46U,
502 0xc2f68d13U, 0xe890d8b8U, 0x5e2e39f7U, 0xf582c3afU,
503 0xbe9f5d80U, 0x7c69d093U, 0xa96fd52dU, 0xb3cf2512U,
504 0x3bc8ac99U, 0xa710187dU, 0x6ee89c63U, 0x7bdb3bbbU,
505 0x09cd2678U, 0xf46e5918U, 0x01ec9ab7U, 0xa8834f9aU,
506 0x65e6956eU, 0x7eaaffe6U, 0x0821bccfU, 0xe6ef15e8U,
507 0xd9bae79bU, 0xce4a6f36U, 0xd4ea9f09U, 0xd629b07cU,
508 0xaf31a4b2U, 0x312a3f23U, 0x30c6a594U, 0xc035a266U,
509 0x37744ebcU, 0xa6fc82caU, 0xb0e090d0U, 0x1533a7d8U,
510 0x4af10498U, 0xf741ecdaU, 0x0e7fcd50U, 0x2f1791f6U,
511 0x8d764dd6U, 0x4d43efb0U, 0x54ccaa4dU, 0xdfe49604U,
512 0xe39ed1b5U, 0x1b4c6a88U, 0xb8c12c1fU, 0x7f466551U,
513 0x049d5eeaU, 0x5d018c35U, 0x73fa8774U, 0x2efb0b41U,
514 0x5ab3671dU, 0x5292dbd2U, 0x33e91056U, 0x136dd647U,
515 0x8c9ad761U, 0x7a37a10cU, 0x8e59f814U, 0x89eb133cU,
516 0xeecea927U, 0x35b761c9U, 0xede11ce5U, 0x3c7a47b1U,
517 0x599cd2dfU, 0x3f55f273U, 0x791814ceU, 0xbf73c737U,
518 0xea53f7cdU, 0x5b5ffdaaU, 0x14df3d6fU, 0x867844dbU,
519 0x81caaff3U, 0x3eb968c4U, 0x2c382434U, 0x5fc2a340U,
520 0x72161dc3U, 0x0cbce225U, 0x8b283c49U, 0x41ff0d95U,
521 0x7139a801U, 0xde080cb3U, 0x9cd8b4e4U, 0x906456c1U,
522 0x617bcb84U, 0x70d532b6U, 0x74486c5cU, 0x42d0b857U,
523 };
524
525 static const Word32 Td2[256] =
526 {
527 0xa75051f4U, 0x65537e41U, 0xa4c31a17U, 0x5e963a27U,
528 0x6bcb3babU, 0x45f11f9dU, 0x58abacfaU, 0x03934be3U,
529 0xfa552030U, 0x6df6ad76U, 0x769188ccU, 0x4c25f502U,
530 0xd7fc4fe5U, 0xcbd7c52aU, 0x44802635U, 0xa38fb562U,
531 0x5a49deb1U, 0x1b6725baU, 0x0e9845eaU, 0xc0e15dfeU,
532 0x7502c32fU, 0xf012814cU, 0x97a38d46U, 0xf9c66bd3U,
533 0x5fe7038fU, 0x9c951592U, 0x7aebbf6dU, 0x59da9552U,
534 0x832dd4beU, 0x21d35874U, 0x692949e0U, 0xc8448ec9U,
535 0x896a75c2U, 0x7978f48eU, 0x3e6b9958U, 0x71dd27b9U,
536 0x4fb6bee1U, 0xad17f088U, 0xac66c920U, 0x3ab47dceU,
537 0x4a1863dfU, 0x3182e51aU, 0x33609751U, 0x7f456253U,
538 0x77e0b164U, 0xae84bb6bU, 0xa01cfe81U, 0x2b94f908U,
539 0x68587048U, 0xfd198f45U, 0x6c8794deU, 0xf8b7527bU,
540 0xd323ab73U, 0x02e2724bU, 0x8f57e31fU, 0xab2a6655U,
541 0x2807b2ebU, 0xc2032fb5U, 0x7b9a86c5U, 0x08a5d337U,
542 0x87f23028U, 0xa5b223bfU, 0x6aba0203U, 0x825ced16U,
543 0x1c2b8acfU, 0xb492a779U, 0xf2f0f307U, 0xe2a14e69U,
544 0xf4cd65daU, 0xbed50605U, 0x621fd134U, 0xfe8ac4a6U,
545 0x539d342eU, 0x55a0a2f3U, 0xe132058aU, 0xeb75a4f6U,
546 0xec390b83U, 0xefaa4060U, 0x9f065e71U, 0x1051bd6eU,
547 0x8af93e21U, 0x063d96ddU, 0x05aedd3eU, 0xbd464de6U,
548 0x8db59154U, 0x5d0571c4U, 0xd46f0406U, 0x15ff6050U,
549 0xfb241998U, 0xe997d6bdU, 0x43cc8940U, 0x9e7767d9U,
550 0x42bdb0e8U, 0x8b880789U, 0x5b38e719U, 0xeedb79c8U,
551 0x0a47a17cU, 0x0fe97c42U, 0x1ec9f884U, 0x00000000U,
552 0x86830980U, 0xed48322bU, 0x70ac1e11U, 0x724e6c5aU,
553 0xfffbfd0eU, 0x38560f85U, 0xd51e3daeU, 0x3927362dU,
554 0xd9640a0fU, 0xa621685cU, 0x54d19b5bU, 0x2e3a2436U,
555 0x67b10c0aU, 0xe70f9357U, 0x96d2b4eeU, 0x919e1b9bU,
556 0xc54f80c0U, 0x20a261dcU, 0x4b695a77U, 0x1a161c12U,
557 0xba0ae293U, 0x2ae5c0a0U, 0xe0433c22U, 0x171d121bU,
558 0x0d0b0e09U, 0xc7adf28bU, 0xa8b92db6U, 0xa9c8141eU,
559 0x198557f1U, 0x074caf75U, 0xddbbee99U, 0x60fda37fU,
560 0x269ff701U, 0xf5bc5c72U, 0x3bc54466U, 0x7e345bfbU,
561 0x29768b43U, 0xc6dccb23U, 0xfc68b6edU, 0xf163b8e4U,
562 0xdccad731U, 0x85104263U, 0x22401397U, 0x112084c6U,
563 0x247d854aU, 0x3df8d2bbU, 0x3211aef9U, 0xa16dc729U,
564 0x2f4b1d9eU, 0x30f3dcb2U, 0x52ec0d86U, 0xe3d077c1U,
565 0x166c2bb3U, 0xb999a970U, 0x48fa1194U, 0x642247e9U,
566 0x8cc4a8fcU, 0x3f1aa0f0U, 0x2cd8567dU, 0x90ef2233U,
567 0x4ec78749U, 0xd1c1d938U, 0xa2fe8ccaU, 0x0b3698d4U,
568 0x81cfa6f5U, 0xde28a57aU, 0x8e26dab7U, 0xbfa43fadU,
569 0x9de42c3aU, 0x920d5078U, 0xcc9b6a5fU, 0x4662547eU,
570 0x13c2f68dU, 0xb8e890d8U, 0xf75e2e39U, 0xaff582c3U,
571 0x80be9f5dU, 0x937c69d0U, 0x2da96fd5U, 0x12b3cf25U,
572 0x993bc8acU, 0x7da71018U, 0x636ee89cU, 0xbb7bdb3bU,
573 0x7809cd26U, 0x18f46e59U, 0xb701ec9aU, 0x9aa8834fU,
574 0x6e65e695U, 0xe67eaaffU, 0xcf0821bcU, 0xe8e6ef15U,
575 0x9bd9bae7U, 0x36ce4a6fU, 0x09d4ea9fU, 0x7cd629b0U,
576 0xb2af31a4U, 0x23312a3fU, 0x9430c6a5U, 0x66c035a2U,
577 0xbc37744eU, 0xcaa6fc82U, 0xd0b0e090U, 0xd81533a7U,
578 0x984af104U, 0xdaf741ecU, 0x500e7fcdU, 0xf62f1791U,
579 0xd68d764dU, 0xb04d43efU, 0x4d54ccaaU, 0x04dfe496U,
580 0xb5e39ed1U, 0x881b4c6aU, 0x1fb8c12cU, 0x517f4665U,
581 0xea049d5eU, 0x355d018cU, 0x7473fa87U, 0x412efb0bU,
582 0x1d5ab367U, 0xd25292dbU, 0x5633e910U, 0x47136dd6U,
583 0x618c9ad7U, 0x0c7a37a1U, 0x148e59f8U, 0x3c89eb13U,
584 0x27eecea9U, 0xc935b761U, 0xe5ede11cU, 0xb13c7a47U,
585 0xdf599cd2U, 0x733f55f2U, 0xce791814U, 0x37bf73c7U,
586 0xcdea53f7U, 0xaa5b5ffdU, 0x6f14df3dU, 0xdb867844U,
587 0xf381caafU, 0xc43eb968U, 0x342c3824U, 0x405fc2a3U,
588 0xc372161dU, 0x250cbce2U, 0x498b283cU, 0x9541ff0dU,
589 0x017139a8U, 0xb3de080cU, 0xe49cd8b4U, 0xc1906456U,
590 0x84617bcbU, 0xb670d532U, 0x5c74486cU, 0x5742d0b8U,
591 };
592
593 static const Word32 Td3[256] =
594 {
595 0xf4a75051U, 0x4165537eU, 0x17a4c31aU, 0x275e963aU,
596 0xab6bcb3bU, 0x9d45f11fU, 0xfa58abacU, 0xe303934bU,
597 0x30fa5520U, 0x766df6adU, 0xcc769188U, 0x024c25f5U,
598 0xe5d7fc4fU, 0x2acbd7c5U, 0x35448026U, 0x62a38fb5U,
599 0xb15a49deU, 0xba1b6725U, 0xea0e9845U, 0xfec0e15dU,
600 0x2f7502c3U, 0x4cf01281U, 0x4697a38dU, 0xd3f9c66bU,
601 0x8f5fe703U, 0x929c9515U, 0x6d7aebbfU, 0x5259da95U,
602 0xbe832dd4U, 0x7421d358U, 0xe0692949U, 0xc9c8448eU,
603 0xc2896a75U, 0x8e7978f4U, 0x583e6b99U, 0xb971dd27U,
604 0xe14fb6beU, 0x88ad17f0U, 0x20ac66c9U, 0xce3ab47dU,
605 0xdf4a1863U, 0x1a3182e5U, 0x51336097U, 0x537f4562U,
606 0x6477e0b1U, 0x6bae84bbU, 0x81a01cfeU, 0x082b94f9U,
607 0x48685870U, 0x45fd198fU, 0xde6c8794U, 0x7bf8b752U,
608 0x73d323abU, 0x4b02e272U, 0x1f8f57e3U, 0x55ab2a66U,
609 0xeb2807b2U, 0xb5c2032fU, 0xc57b9a86U, 0x3708a5d3U,
610 0x2887f230U, 0xbfa5b223U, 0x036aba02U, 0x16825cedU,
611 0xcf1c2b8aU, 0x79b492a7U, 0x07f2f0f3U, 0x69e2a14eU,
612 0xdaf4cd65U, 0x05bed506U, 0x34621fd1U, 0xa6fe8ac4U,
613 0x2e539d34U, 0xf355a0a2U, 0x8ae13205U, 0xf6eb75a4U,
614 0x83ec390bU, 0x60efaa40U, 0x719f065eU, 0x6e1051bdU,
615 0x218af93eU, 0xdd063d96U, 0x3e05aeddU, 0xe6bd464dU,
616 0x548db591U, 0xc45d0571U, 0x06d46f04U, 0x5015ff60U,
617 0x98fb2419U, 0xbde997d6U, 0x4043cc89U, 0xd99e7767U,
618 0xe842bdb0U, 0x898b8807U, 0x195b38e7U, 0xc8eedb79U,
619 0x7c0a47a1U, 0x420fe97cU, 0x841ec9f8U, 0x00000000U,
620 0x80868309U, 0x2bed4832U, 0x1170ac1eU, 0x5a724e6cU,
621 0x0efffbfdU, 0x8538560fU, 0xaed51e3dU, 0x2d392736U,
622 0x0fd9640aU, 0x5ca62168U, 0x5b54d19bU, 0x362e3a24U,
623 0x0a67b10cU, 0x57e70f93U, 0xee96d2b4U, 0x9b919e1bU,
624 0xc0c54f80U, 0xdc20a261U, 0x774b695aU, 0x121a161cU,
625 0x93ba0ae2U, 0xa02ae5c0U, 0x22e0433cU, 0x1b171d12U,
626 0x090d0b0eU, 0x8bc7adf2U, 0xb6a8b92dU, 0x1ea9c814U,
627 0xf1198557U, 0x75074cafU, 0x99ddbbeeU, 0x7f60fda3U,
628 0x01269ff7U, 0x72f5bc5cU, 0x663bc544U, 0xfb7e345bU,
629 0x4329768bU, 0x23c6dccbU, 0xedfc68b6U, 0xe4f163b8U,
630 0x31dccad7U, 0x63851042U, 0x97224013U, 0xc6112084U,
631 0x4a247d85U, 0xbb3df8d2U, 0xf93211aeU, 0x29a16dc7U,
632 0x9e2f4b1dU, 0xb230f3dcU, 0x8652ec0dU, 0xc1e3d077U,
633 0xb3166c2bU, 0x70b999a9U, 0x9448fa11U, 0xe9642247U,
634 0xfc8cc4a8U, 0xf03f1aa0U, 0x7d2cd856U, 0x3390ef22U,
635 0x494ec787U, 0x38d1c1d9U, 0xcaa2fe8cU, 0xd40b3698U,
636 0xf581cfa6U, 0x7ade28a5U, 0xb78e26daU, 0xadbfa43fU,
637 0x3a9de42cU, 0x78920d50U, 0x5fcc9b6aU, 0x7e466254U,
638 0x8d13c2f6U, 0xd8b8e890U, 0x39f75e2eU, 0xc3aff582U,
639 0x5d80be9fU, 0xd0937c69U, 0xd52da96fU, 0x2512b3cfU,
640 0xac993bc8U, 0x187da710U, 0x9c636ee8U, 0x3bbb7bdbU,
641 0x267809cdU, 0x5918f46eU, 0x9ab701ecU, 0x4f9aa883U,
642 0x956e65e6U, 0xffe67eaaU, 0xbccf0821U, 0x15e8e6efU,
643 0xe79bd9baU, 0x6f36ce4aU, 0x9f09d4eaU, 0xb07cd629U,
644 0xa4b2af31U, 0x3f23312aU, 0xa59430c6U, 0xa266c035U,
645 0x4ebc3774U, 0x82caa6fcU, 0x90d0b0e0U, 0xa7d81533U,
646 0x04984af1U, 0xecdaf741U, 0xcd500e7fU, 0x91f62f17U,
647 0x4dd68d76U, 0xefb04d43U, 0xaa4d54ccU, 0x9604dfe4U,
648 0xd1b5e39eU, 0x6a881b4cU, 0x2c1fb8c1U, 0x65517f46U,
649 0x5eea049dU, 0x8c355d01U, 0x877473faU, 0x0b412efbU,
650 0x671d5ab3U, 0xdbd25292U, 0x105633e9U, 0xd647136dU,
651 0xd7618c9aU, 0xa10c7a37U, 0xf8148e59U, 0x133c89ebU,
652 0xa927eeceU, 0x61c935b7U, 0x1ce5ede1U, 0x47b13c7aU,
653 0xd2df599cU, 0xf2733f55U, 0x14ce7918U, 0xc737bf73U,
654 0xf7cdea53U, 0xfdaa5b5fU, 0x3d6f14dfU, 0x44db8678U,
655 0xaff381caU, 0x68c43eb9U, 0x24342c38U, 0xa3405fc2U,
656 0x1dc37216U, 0xe2250cbcU, 0x3c498b28U, 0x0d9541ffU,
657 0xa8017139U, 0x0cb3de08U, 0xb4e49cd8U, 0x56c19064U,
658 0xcb84617bU, 0x32b670d5U, 0x6c5c7448U, 0xb85742d0U,
659 };
660
661 static const Word32 Td4[256] =
662 {
663 0x52525252U, 0x09090909U, 0x6a6a6a6aU, 0xd5d5d5d5U,
664 0x30303030U, 0x36363636U, 0xa5a5a5a5U, 0x38383838U,
665 0xbfbfbfbfU, 0x40404040U, 0xa3a3a3a3U, 0x9e9e9e9eU,
666 0x81818181U, 0xf3f3f3f3U, 0xd7d7d7d7U, 0xfbfbfbfbU,
667 0x7c7c7c7cU, 0xe3e3e3e3U, 0x39393939U, 0x82828282U,
668 0x9b9b9b9bU, 0x2f2f2f2fU, 0xffffffffU, 0x87878787U,
669 0x34343434U, 0x8e8e8e8eU, 0x43434343U, 0x44444444U,
670 0xc4c4c4c4U, 0xdedededeU, 0xe9e9e9e9U, 0xcbcbcbcbU,
671 0x54545454U, 0x7b7b7b7bU, 0x94949494U, 0x32323232U,
672 0xa6a6a6a6U, 0xc2c2c2c2U, 0x23232323U, 0x3d3d3d3dU,
673 0xeeeeeeeeU, 0x4c4c4c4cU, 0x95959595U, 0x0b0b0b0bU,
674 0x42424242U, 0xfafafafaU, 0xc3c3c3c3U, 0x4e4e4e4eU,
675 0x08080808U, 0x2e2e2e2eU, 0xa1a1a1a1U, 0x66666666U,
676 0x28282828U, 0xd9d9d9d9U, 0x24242424U, 0xb2b2b2b2U,
677 0x76767676U, 0x5b5b5b5bU, 0xa2a2a2a2U, 0x49494949U,
678 0x6d6d6d6dU, 0x8b8b8b8bU, 0xd1d1d1d1U, 0x25252525U,
679 0x72727272U, 0xf8f8f8f8U, 0xf6f6f6f6U, 0x64646464U,
680 0x86868686U, 0x68686868U, 0x98989898U, 0x16161616U,
681 0xd4d4d4d4U, 0xa4a4a4a4U, 0x5c5c5c5cU, 0xccccccccU,
682 0x5d5d5d5dU, 0x65656565U, 0xb6b6b6b6U, 0x92929292U,
683 0x6c6c6c6cU, 0x70707070U, 0x48484848U, 0x50505050U,
684 0xfdfdfdfdU, 0xededededU, 0xb9b9b9b9U, 0xdadadadaU,
685 0x5e5e5e5eU, 0x15151515U, 0x46464646U, 0x57575757U,
686 0xa7a7a7a7U, 0x8d8d8d8dU, 0x9d9d9d9dU, 0x84848484U,
687 0x90909090U, 0xd8d8d8d8U, 0xababababU, 0x00000000U,
688 0x8c8c8c8cU, 0xbcbcbcbcU, 0xd3d3d3d3U, 0x0a0a0a0aU,
689 0xf7f7f7f7U, 0xe4e4e4e4U, 0x58585858U, 0x05050505U,
690 0xb8b8b8b8U, 0xb3b3b3b3U, 0x45454545U, 0x06060606U,
691 0xd0d0d0d0U, 0x2c2c2c2cU, 0x1e1e1e1eU, 0x8f8f8f8fU,
692 0xcacacacaU, 0x3f3f3f3fU, 0x0f0f0f0fU, 0x02020202U,
693 0xc1c1c1c1U, 0xafafafafU, 0xbdbdbdbdU, 0x03030303U,
694 0x01010101U, 0x13131313U, 0x8a8a8a8aU, 0x6b6b6b6bU,
695 0x3a3a3a3aU, 0x91919191U, 0x11111111U, 0x41414141U,
696 0x4f4f4f4fU, 0x67676767U, 0xdcdcdcdcU, 0xeaeaeaeaU,
697 0x97979797U, 0xf2f2f2f2U, 0xcfcfcfcfU, 0xcecececeU,
698 0xf0f0f0f0U, 0xb4b4b4b4U, 0xe6e6e6e6U, 0x73737373U,
699 0x96969696U, 0xacacacacU, 0x74747474U, 0x22222222U,
700 0xe7e7e7e7U, 0xadadadadU, 0x35353535U, 0x85858585U,
701 0xe2e2e2e2U, 0xf9f9f9f9U, 0x37373737U, 0xe8e8e8e8U,
702 0x1c1c1c1cU, 0x75757575U, 0xdfdfdfdfU, 0x6e6e6e6eU,
703 0x47474747U, 0xf1f1f1f1U, 0x1a1a1a1aU, 0x71717171U,
704 0x1d1d1d1dU, 0x29292929U, 0xc5c5c5c5U, 0x89898989U,
705 0x6f6f6f6fU, 0xb7b7b7b7U, 0x62626262U, 0x0e0e0e0eU,
706 0xaaaaaaaaU, 0x18181818U, 0xbebebebeU, 0x1b1b1b1bU,
707 0xfcfcfcfcU, 0x56565656U, 0x3e3e3e3eU, 0x4b4b4b4bU,
708 0xc6c6c6c6U, 0xd2d2d2d2U, 0x79797979U, 0x20202020U,
709 0x9a9a9a9aU, 0xdbdbdbdbU, 0xc0c0c0c0U, 0xfefefefeU,
710 0x78787878U, 0xcdcdcdcdU, 0x5a5a5a5aU, 0xf4f4f4f4U,
711 0x1f1f1f1fU, 0xddddddddU, 0xa8a8a8a8U, 0x33333333U,
712 0x88888888U, 0x07070707U, 0xc7c7c7c7U, 0x31313131U,
713 0xb1b1b1b1U, 0x12121212U, 0x10101010U, 0x59595959U,
714 0x27272727U, 0x80808080U, 0xececececU, 0x5f5f5f5fU,
715 0x60606060U, 0x51515151U, 0x7f7f7f7fU, 0xa9a9a9a9U,
716 0x19191919U, 0xb5b5b5b5U, 0x4a4a4a4aU, 0x0d0d0d0dU,
717 0x2d2d2d2dU, 0xe5e5e5e5U, 0x7a7a7a7aU, 0x9f9f9f9fU,
718 0x93939393U, 0xc9c9c9c9U, 0x9c9c9c9cU, 0xefefefefU,
719 0xa0a0a0a0U, 0xe0e0e0e0U, 0x3b3b3b3bU, 0x4d4d4d4dU,
720 0xaeaeaeaeU, 0x2a2a2a2aU, 0xf5f5f5f5U, 0xb0b0b0b0U,
721 0xc8c8c8c8U, 0xebebebebU, 0xbbbbbbbbU, 0x3c3c3c3cU,
722 0x83838383U, 0x53535353U, 0x99999999U, 0x61616161U,
723 0x17171717U, 0x2b2b2b2bU, 0x04040404U, 0x7e7e7e7eU,
724 0xbabababaU, 0x77777777U, 0xd6d6d6d6U, 0x26262626U,
725 0xe1e1e1e1U, 0x69696969U, 0x14141414U, 0x63636363U,
726 0x55555555U, 0x21212121U, 0x0c0c0c0cU, 0x7d7d7d7dU,
727 };
728
729 static const Word32 rcon[] =
730 {
731 0x01000000, 0x02000000, 0x04000000, 0x08000000,
732 0x10000000, 0x20000000, 0x40000000, 0x80000000,
733 0x1B000000, 0x36000000,
734 /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */
735 };
736
737 #define GETU32(plaintext) (((Word32)(plaintext)[0] << 24) ^ \
738 ((Word32)(plaintext)[1] << 16) ^ \
739 ((Word32)(plaintext)[2] << 8) ^ \
740 ((Word32)(plaintext)[3]))
741
742 #define PUTU32(ciphertext, st) { (ciphertext)[0] = (Byte)((st) >> 24); \
743 (ciphertext)[1] = (Byte)((st) >> 16); \
744 (ciphertext)[2] = (Byte)((st) >> 8); \
745 (ciphertext)[3] = (Byte)(st); }
746
747 /**
748 * Expand the cipher key into the encryption key schedule.
749 *
750 */
751 void AES::setupEncrypt(Word32 *rk, const Byte* key, int keybits)
752 {
753 rk[0] = GETU32(key );
754 rk[1] = GETU32(key + 4);
755 rk[2] = GETU32(key + 8);
756 rk[3] = GETU32(key + 12);
757 if (keybits == 128)
758 {
759 for (int i=0;;)
760 {
761 Word32 temp = rk[3];
762 rk[4] = rk[0] ^
763 (Te4[(temp >> 16) & 0xff] & 0xff000000) ^
764 (Te4[(temp >> 8) & 0xff] & 0x00ff0000) ^
765 (Te4[(temp ) & 0xff] & 0x0000ff00) ^
766 (Te4[(temp >> 24) ] & 0x000000ff) ^
767 rcon[i];
768 rk[5] = rk[1] ^ rk[4];
769 rk[6] = rk[2] ^ rk[5];
770 rk[7] = rk[3] ^ rk[6];
771 if (++i == 10)
772 return;
773 rk += 4;
774 }
775 }
776 rk[4] = GETU32(key + 16);
777 rk[5] = GETU32(key + 20);
778 if (keybits == 192)
779 {
780 for (int i=0;;)
781 {
782 Word32 temp = rk[ 5];
783 rk[ 6] = rk[ 0] ^
784 (Te4[(temp >> 16) & 0xff] & 0xff000000) ^
785 (Te4[(temp >> 8) & 0xff] & 0x00ff0000) ^
786 (Te4[(temp ) & 0xff] & 0x0000ff00) ^
787 (Te4[(temp >> 24) ] & 0x000000ff) ^
788 rcon[i];
789 rk[ 7] = rk[ 1] ^ rk[ 6];
790 rk[ 8] = rk[ 2] ^ rk[ 7];
791 rk[ 9] = rk[ 3] ^ rk[ 8];
792 if (++i == 8)
793 return;
794 rk[10] = rk[ 4] ^ rk[ 9];
795 rk[11] = rk[ 5] ^ rk[10];
796 rk += 6;
797 }
798 }
799 rk[6] = GETU32(key + 24);
800 rk[7] = GETU32(key + 28);
801 if (keybits == 256)
802 {
803 for (int i=0;;)
804 {
805 Word32 temp = rk[ 7];
806 rk[ 8] = rk[ 0] ^
807 (Te4[(temp >> 16) & 0xff] & 0xff000000) ^
808 (Te4[(temp >> 8) & 0xff] & 0x00ff0000) ^
809 (Te4[(temp ) & 0xff] & 0x0000ff00) ^
810 (Te4[(temp >> 24) ] & 0x000000ff) ^
811 rcon[i];
812 rk[ 9] = rk[ 1] ^ rk[ 8];
813 rk[10] = rk[ 2] ^ rk[ 9];
814 rk[11] = rk[ 3] ^ rk[10];
815 if (++i == 7)
816 return;
817 temp = rk[11];
818 rk[12] = rk[ 4] ^
819 (Te4[(temp >> 24) ] & 0xff000000) ^
820 (Te4[(temp >> 16) & 0xff] & 0x00ff0000) ^
821 (Te4[(temp >> 8) & 0xff] & 0x0000ff00) ^
822 (Te4[(temp ) & 0xff] & 0x000000ff);
823 rk[13] = rk[ 5] ^ rk[12];
824 rk[14] = rk[ 6] ^ rk[13];
825 rk[15] = rk[ 7] ^ rk[14];
826 rk += 8;
827 }
828 }
829 }
830
831 /**
832 * Expand the cipher key into the decryption key schedule.
833 *
834 * @return the number of rounds for the given cipher key size.
835 */
836 void AES::setupDecrypt(Word32* rk, const Byte *key, int keybits)
837 {
838 int i, j;
839
840 /* expand the cipher key: */
841 setupEncrypt(rk, key, keybits);
842 int nrounds = NROUNDS(keybits);
843
844 /* invert the order of the round keys: */
845 for (i = 0, j = 4*nrounds; i < j; i += 4, j -= 4)
846 {
847 Word32 temp;
848 temp = rk[i ]; rk[i ] = rk[j ]; rk[j ] = temp;
849 temp = rk[i + 1]; rk[i + 1] = rk[j + 1]; rk[j + 1] = temp;
850 temp = rk[i + 2]; rk[i + 2] = rk[j + 2]; rk[j + 2] = temp;
851 temp = rk[i + 3]; rk[i + 3] = rk[j + 3]; rk[j + 3] = temp;
852 }
853 /* apply the inverse MixColumn transform to all round keys but the first and the last: */
854 for (i = 1; i < nrounds; i++)
855 {
856 rk += 4;
857 rk[0] =
858 Td0[Te4[(rk[0] >> 24) ] & 0xff] ^
859 Td1[Te4[(rk[0] >> 16) & 0xff] & 0xff] ^
860 Td2[Te4[(rk[0] >> 8) & 0xff] & 0xff] ^
861 Td3[Te4[(rk[0] ) & 0xff] & 0xff];
862 rk[1] =
863 Td0[Te4[(rk[1] >> 24) ] & 0xff] ^
864 Td1[Te4[(rk[1] >> 16) & 0xff] & 0xff] ^
865 Td2[Te4[(rk[1] >> 8) & 0xff] & 0xff] ^
866 Td3[Te4[(rk[1] ) & 0xff] & 0xff];
867 rk[2] =
868 Td0[Te4[(rk[2] >> 24) ] & 0xff] ^
869 Td1[Te4[(rk[2] >> 16) & 0xff] & 0xff] ^
870 Td2[Te4[(rk[2] >> 8) & 0xff] & 0xff] ^
871 Td3[Te4[(rk[2] ) & 0xff] & 0xff];
872 rk[3] =
873 Td0[Te4[(rk[3] >> 24) ] & 0xff] ^
874 Td1[Te4[(rk[3] >> 16) & 0xff] & 0xff] ^
875 Td2[Te4[(rk[3] >> 8) & 0xff] & 0xff] ^
876 Td3[Te4[(rk[3] ) & 0xff] & 0xff];
877 }
878 }
879
880 void AES::encrypt(Word32* rk, int nrounds,
881 const Block plaintext, Block ciphertext)
882 {
883 Word32 s0, s1, s2, s3, t0, t1, t2, t3;
884 #ifndef FULL_UNROLL
885 int r;
886 #endif /* ?FULL_UNROLL */
887 /*
888 * map byte array block to cipher state
889 * and add initial round key:
890 */
891 s0 = GETU32(plaintext ) ^ rk[0];
892 s1 = GETU32(plaintext + 4) ^ rk[1];
893 s2 = GETU32(plaintext + 8) ^ rk[2];
894 s3 = GETU32(plaintext + 12) ^ rk[3];
895 #ifdef FULL_UNROLL
896 /* round 1: */
897 t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[ 4];
898 t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[ 5];
899 t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[ 6];
900 t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[ 7];
901 /* round 2: */
902 s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[ 8];
903 s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[ 9];
904 s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[10];
905 s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[11];
906 /* round 3: */
907 t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[12];
908 t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[13];
909 t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[14];
910 t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[15];
911 /* round 4: */
912 s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[16];
913 s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[17];
914 s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[18];
915 s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[19];
916 /* round 5: */
917 t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[20];
918 t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[21];
919 t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[22];
920 t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[23];
921 /* round 6: */
922 s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[24];
923 s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[25];
924 s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[26];
925 s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[27];
926 /* round 7: */
927 t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[28];
928 t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[29];
929 t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[30];
930 t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[31];
931 /* round 8: */
932 s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[32];
933 s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[33];
934 s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[34];
935 s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[35];
936 /* round 9: */
937 t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[36];
938 t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[37];
939 t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[38];
940 t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[39];
941 if (nrounds > 10)
942 {
943 /* round 10: */
944 s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[40];
945 s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[41];
946 s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[42];
947 s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[43];
948 /* round 11: */
949 t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[44];
950 t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[45];
951 t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[46];
952 t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[47];
953 if (nrounds > 12)
954 {
955 /* round 12: */
956 s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[48];
957 s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[49];
958 s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[50];
959 s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[51];
960 /* round 13: */
961 t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[52];
962 t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[53];
963 t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[54];
964 t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[55];
965 }
966 }
967 rk += nrounds << 2;
968 #else /* !FULL_UNROLL */
969 /*
970 * nrounds - 1 full rounds:
971 */
972 r = nrounds >> 1;
973 for (;;)
974 {
975 t0 =
976 Te0[(s0 >> 24) ] ^
977 Te1[(s1 >> 16) & 0xff] ^
978 Te2[(s2 >> 8) & 0xff] ^
979 Te3[(s3 ) & 0xff] ^
980 rk[4];
981 t1 =
982 Te0[(s1 >> 24) ] ^
983 Te1[(s2 >> 16) & 0xff] ^
984 Te2[(s3 >> 8) & 0xff] ^
985 Te3[(s0 ) & 0xff] ^
986 rk[5];
987 t2 =
988 Te0[(s2 >> 24) ] ^
989 Te1[(s3 >> 16) & 0xff] ^
990 Te2[(s0 >> 8) & 0xff] ^
991 Te3[(s1 ) & 0xff] ^
992 rk[6];
993 t3 =
994 Te0[(s3 >> 24) ] ^
995 Te1[(s0 >> 16) & 0xff] ^
996 Te2[(s1 >> 8) & 0xff] ^
997 Te3[(s2 ) & 0xff] ^
998 rk[7];
999 rk += 8;
1000 if (--r == 0)
1001 break;
1002 s0 =
1003 Te0[(t0 >> 24) ] ^
1004 Te1[(t1 >> 16) & 0xff] ^
1005 Te2[(t2 >> 8) & 0xff] ^
1006 Te3[(t3 ) & 0xff] ^
1007 rk[0];
1008 s1 =
1009 Te0[(t1 >> 24) ] ^
1010 Te1[(t2 >> 16) & 0xff] ^
1011 Te2[(t3 >> 8) & 0xff] ^
1012 Te3[(t0 ) & 0xff] ^
1013 rk[1];
1014 s2 =
1015 Te0[(t2 >> 24) ] ^
1016 Te1[(t3 >> 16) & 0xff] ^
1017 Te2[(t0 >> 8) & 0xff] ^
1018 Te3[(t1 ) & 0xff] ^
1019 rk[2];
1020 s3 =
1021 Te0[(t3 >> 24) ] ^
1022 Te1[(t0 >> 16) & 0xff] ^
1023 Te2[(t1 >> 8) & 0xff] ^
1024 Te3[(t2 ) & 0xff] ^
1025 rk[3];
1026 }
1027 #endif /* ?FULL_UNROLL */
1028 /*
1029 * apply last round and
1030 * map cipher state to byte array block:
1031 */
1032 s0 =
1033 (Te4[(t0 >> 24) ] & 0xff000000) ^
1034 (Te4[(t1 >> 16) & 0xff] & 0x00ff0000) ^
1035 (Te4[(t2 >> 8) & 0xff] & 0x0000ff00) ^
1036 (Te4[(t3 ) & 0xff] & 0x000000ff) ^
1037 rk[0];
1038 PUTU32(ciphertext , s0);
1039 s1 =
1040 (Te4[(t1 >> 24) ] & 0xff000000) ^
1041 (Te4[(t2 >> 16) & 0xff] & 0x00ff0000) ^
1042 (Te4[(t3 >> 8) & 0xff] & 0x0000ff00) ^
1043 (Te4[(t0 ) & 0xff] & 0x000000ff) ^
1044 rk[1];
1045 PUTU32(ciphertext + 4, s1);
1046 s2 =
1047 (Te4[(t2 >> 24) ] & 0xff000000) ^
1048 (Te4[(t3 >> 16) & 0xff] & 0x00ff0000) ^
1049 (Te4[(t0 >> 8) & 0xff] & 0x0000ff00) ^
1050 (Te4[(t1 ) & 0xff] & 0x000000ff) ^
1051 rk[2];
1052 PUTU32(ciphertext + 8, s2);
1053 s3 =
1054 (Te4[(t3 >> 24) ] & 0xff000000) ^
1055 (Te4[(t0 >> 16) & 0xff] & 0x00ff0000) ^
1056 (Te4[(t1 >> 8) & 0xff] & 0x0000ff00) ^
1057 (Te4[(t2 ) & 0xff] & 0x000000ff) ^
1058 rk[3];
1059 PUTU32(ciphertext + 12, s3);
1060 }
1061
1062 void AES::decrypt(Word32* rk, int nrounds,
1063 const Block ciphertext, Block plaintext)
1064 {
1065 Word32 s0, s1, s2, s3, t0, t1, t2, t3;
1066 #ifndef FULL_UNROLL
1067 int r;
1068 #endif /* ?FULL_UNROLL */
1069
1070 /*
1071 * map byte array block to cipher state
1072 * and add initial round key:
1073 */
1074 s0 = GETU32(ciphertext ) ^ rk[0];
1075 s1 = GETU32(ciphertext + 4) ^ rk[1];
1076 s2 = GETU32(ciphertext + 8) ^ rk[2];
1077 s3 = GETU32(ciphertext + 12) ^ rk[3];
1078 #ifdef FULL_UNROLL
1079 /* round 1: */
1080 t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[ 4];
1081 t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[ 5];
1082 t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[ 6];
1083 t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[ 7];
1084 /* round 2: */
1085 s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[ 8];
1086 s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[ 9];
1087 s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[10];
1088 s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[11];
1089 /* round 3: */
1090 t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[12];
1091 t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[13];
1092 t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[14];
1093 t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[15];
1094 /* round 4: */
1095 s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[16];
1096 s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[17];
1097 s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[18];
1098 s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[19];
1099 /* round 5: */
1100 t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[20];
1101 t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[21];
1102 t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[22];
1103 t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[23];
1104 /* round 6: */
1105 s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[24];
1106 s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[25];
1107 s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[26];
1108 s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[27];
1109 /* round 7: */
1110 t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[28];
1111 t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[29];
1112 t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[30];
1113 t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[31];
1114 /* round 8: */
1115 s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[32];
1116 s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[33];
1117 s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[34];
1118 s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[35];
1119 /* round 9: */
1120 t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[36];
1121 t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[37];
1122 t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[38];
1123 t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[39];
1124 if (nrounds > 10)
1125 {
1126 /* round 10: */
1127 s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[40];
1128 s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[41];
1129 s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[42];
1130 s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[43];
1131 /* round 11: */
1132 t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[44];
1133 t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[45];
1134 t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[46];
1135 t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[47];
1136 if (nrounds > 12)
1137 {
1138 /* round 12: */
1139 s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[48];
1140 s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[49];
1141 s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[50];
1142 s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[51];
1143 /* round 13: */
1144 t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[52];
1145 t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[53];
1146 t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[54];
1147 t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[55];
1148 }
1149 }
1150 rk += nrounds << 2;
1151 #else /* !FULL_UNROLL */
1152 /*
1153 * nrounds - 1 full rounds:
1154 */
1155 r = nrounds >> 1;
1156 for (;;)
1157 {
1158 t0 =
1159 Td0[(s0 >> 24) ] ^
1160 Td1[(s3 >> 16) & 0xff] ^
1161 Td2[(s2 >> 8) & 0xff] ^
1162 Td3[(s1 ) & 0xff] ^
1163 rk[4];
1164 t1 =
1165 Td0[(s1 >> 24) ] ^
1166 Td1[(s0 >> 16) & 0xff] ^
1167 Td2[(s3 >> 8) & 0xff] ^
1168 Td3[(s2 ) & 0xff] ^
1169 rk[5];
1170 t2 =
1171 Td0[(s2 >> 24) ] ^
1172 Td1[(s1 >> 16) & 0xff] ^
1173 Td2[(s0 >> 8) & 0xff] ^
1174 Td3[(s3 ) & 0xff] ^
1175 rk[6];
1176 t3 =
1177 Td0[(s3 >> 24) ] ^
1178 Td1[(s2 >> 16) & 0xff] ^
1179 Td2[(s1 >> 8) & 0xff] ^
1180 Td3[(s0 ) & 0xff] ^
1181 rk[7];
1182 rk += 8;
1183 if (--r == 0)
1184 break;
1185 s0 =
1186 Td0[(t0 >> 24) ] ^
1187 Td1[(t3 >> 16) & 0xff] ^
1188 Td2[(t2 >> 8) & 0xff] ^
1189 Td3[(t1 ) & 0xff] ^
1190 rk[0];
1191 s1 =
1192 Td0[(t1 >> 24) ] ^
1193 Td1[(t0 >> 16) & 0xff] ^
1194 Td2[(t3 >> 8) & 0xff] ^
1195 Td3[(t2 ) & 0xff] ^
1196 rk[1];
1197 s2 =
1198 Td0[(t2 >> 24) ] ^
1199 Td1[(t1 >> 16) & 0xff] ^
1200 Td2[(t0 >> 8) & 0xff] ^
1201 Td3[(t3 ) & 0xff] ^
1202 rk[2];
1203 s3 =
1204 Td0[(t3 >> 24) ] ^
1205 Td1[(t2 >> 16) & 0xff] ^
1206 Td2[(t1 >> 8) & 0xff] ^
1207 Td3[(t0 ) & 0xff] ^
1208 rk[3];
1209 }
1210 #endif /* ?FULL_UNROLL */
1211 /*
1212 * apply last round and
1213 * map cipher state to byte array block:
1214 */
1215 s0 =
1216 (Td4[(t0 >> 24) ] & 0xff000000) ^
1217 (Td4[(t3 >> 16) & 0xff] & 0x00ff0000) ^
1218 (Td4[(t2 >> 8) & 0xff] & 0x0000ff00) ^
1219 (Td4[(t1 ) & 0xff] & 0x000000ff) ^
1220 rk[0];
1221 PUTU32(plaintext , s0);
1222 s1 =
1223 (Td4[(t1 >> 24) ] & 0xff000000) ^
1224 (Td4[(t0 >> 16) & 0xff] & 0x00ff0000) ^
1225 (Td4[(t3 >> 8) & 0xff] & 0x0000ff00) ^
1226 (Td4[(t2 ) & 0xff] & 0x000000ff) ^
1227 rk[1];
1228 PUTU32(plaintext + 4, s1);
1229 s2 =
1230 (Td4[(t2 >> 24) ] & 0xff000000) ^
1231 (Td4[(t1 >> 16) & 0xff] & 0x00ff0000) ^
1232 (Td4[(t0 >> 8) & 0xff] & 0x0000ff00) ^
1233 (Td4[(t3 ) & 0xff] & 0x000000ff) ^
1234 rk[2];
1235 PUTU32(plaintext + 8, s2);
1236 s3 =
1237 (Td4[(t3 >> 24) ] & 0xff000000) ^
1238 (Td4[(t2 >> 16) & 0xff] & 0x00ff0000) ^
1239 (Td4[(t1 >> 8) & 0xff] & 0x0000ff00) ^
1240 (Td4[(t0 ) & 0xff] & 0x000000ff) ^
1241 rk[3];
1242 PUTU32(plaintext + 12, s3);
1243 }
1244
1245 //////////////////////////////////////////////////////////////////////////////
1246 /// Randomness idea inspired from ANSI X9.17 proposed PRNG, see wikipedia
1247 /// PRNG page...
1248 static Word32 CRYPT(Word32* rk, int keybits, Word32 x)
1249 {
1250 // Pad the block by self repetition.
1251 Block in;
1252 ((Word32*)&in)[0] = x;
1253 ((Word32*)&in)[1] = x *= 2147483647;
1254 ((Word32*)&in)[2] = x *= 2147483647;
1255 ((Word32*)&in)[3] = x *= 2147483647;
1256
1257 Block out;
1258 AES::encrypt(rk, NROUNDS(keybits), in, out);
1259 return ((Word32*)&out)[3];
1260 }
1261
1262 Word32 AES::get_random(Word32* rk, int keybits)
1263 {
1264 #ifdef WIN32
1265 LONGLONG counter = 0;
1266 QueryPerformanceCounter( (LARGE_INTEGER*)&counter );
1267 Word32 time = (Word32)(counter % 2147483647);
1268 #else
1269 timeval ts;
1270 gettimeofday(&ts,0);
1271 Word32 time = (Word32) ts.tv_usec; // microseconds.
1272 #endif
1273
1274 // X9.17 propose to use triple-DES for that... Keep it simpler with our
1275 // ECB block stuff:
1276 static Word32 seed = 0x61448126; // Needs to be none zero.
1277 Word32 tmp = CRYPT(rk, keybits, time);
1278 Word32 x = CRYPT(rk, keybits, tmp ^ seed);
1279 seed = CRYPT(rk, keybits, tmp ^ x);
1280
1281 return x;
1282 }
1283
1284 //////////////////////////////////////////////////////////////////////////////
1285 } // namespace Rijndael