1 /* crypto/aes/aes_core.c -*- mode:C; c-file-style: "eay" -*- */
2 /**
3 * rijndael-alg-fst.c
4 *
5 * @version 3.0 (December 2000)
6 *
7 * Optimised ANSI C code for the Rijndael cipher (now AES)
8 *
9 * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be>
10 * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be>
11 * @author Paulo Barreto <paulo.barreto@terra.com.br>
12 *
13 * This code is hereby placed in the public domain.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS
16 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE
19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
22 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
24 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
25 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 /* Note: rewritten a little bit to provide error control and an OpenSSL-
29 compatible API */
30
31 #ifndef AES_DEBUG
32 # ifndef NDEBUG
33 # define NDEBUG
34 # endif
35 #endif
36 #include <assert.h>
37
38 #include <stdlib.h>
39 #include "aes_xts.h"
40 #ifdef OPENSSL_FIPS
41 #include <openssl/fips.h>
42 #endif
43
44 #include "aes_locl.h"
45
46 /*
47 Te0[x] = S [x].[02, 01, 01, 03];
48 Te1[x] = S [x].[03, 02, 01, 01];
49 Te2[x] = S [x].[01, 03, 02, 01];
50 Te3[x] = S [x].[01, 01, 03, 02];
51
52 Td0[x] = Si[x].[0e, 09, 0d, 0b];
53 Td1[x] = Si[x].[0b, 0e, 09, 0d];
54 Td2[x] = Si[x].[0d, 0b, 0e, 09];
55 Td3[x] = Si[x].[09, 0d, 0b, 0e];
56 Td4[x] = Si[x].[01];
57 */
58
59 static const u32 Te0[256] = {
60 0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU,
61 0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U,
62 0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU,
63 0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU,
64 0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U,
65 0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU,
66 0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU,
67 0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU,
68 0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU,
69 0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU,
70 0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U,
71 0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU,
72 0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU,
73 0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U,
74 0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU,
75 0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU,
76 0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU,
77 0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU,
78 0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU,
79 0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U,
80 0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU,
81 0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU,
82 0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU,
83 0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU,
84 0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U,
85 0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U,
86 0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U,
87 0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U,
88 0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU,
89 0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U,
90 0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U,
91 0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU,
92 0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU,
93 0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U,
94 0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U,
95 0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U,
96 0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU,
97 0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U,
98 0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU,
99 0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U,
100 0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU,
101 0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U,
102 0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U,
103 0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU,
104 0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U,
105 0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U,
106 0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U,
107 0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U,
108 0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U,
109 0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U,
110 0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U,
111 0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U,
112 0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU,
113 0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U,
114 0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U,
115 0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U,
116 0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U,
117 0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U,
118 0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U,
119 0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU,
120 0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U,
121 0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U,
122 0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U,
123 0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU,
124 };
125 static const u32 Te1[256] = {
126 0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU,
127 0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U,
128 0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU,
129 0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U,
130 0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU,
131 0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U,
132 0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU,
133 0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U,
134 0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U,
135 0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU,
136 0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U,
137 0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U,
138 0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U,
139 0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU,
140 0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U,
141 0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U,
142 0x1b120909U, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU,
143 0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U,
144 0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U,
145 0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U,
146 0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU,
147 0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU,
148 0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U,
149 0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU,
150 0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU,
151 0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U,
152 0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU,
153 0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U,
154 0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, 0x8a058f8fU,
155 0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U,
156 0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U,
157 0x30201010U, 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U,
158 0x4c81cdcdU, 0x14180c0cU, 0x35261313U, 0x2fc3ececU,
159 0xe1be5f5fU, 0xa2359797U, 0xcc884444U, 0x392e1717U,
160 0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU,
161 0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U,
162 0xa0c06060U, 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU,
163 0x66442222U, 0x7e542a2aU, 0xab3b9090U, 0x830b8888U,
164 0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, 0x3c281414U,
165 0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU,
166 0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU,
167 0xdb924949U, 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU,
168 0x5d9fc2c2U, 0x6ebdd3d3U, 0xef43acacU, 0xa6c46262U,
169 0xa8399191U, 0xa4319595U, 0x37d3e4e4U, 0x8bf27979U,
170 0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU,
171 0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U,
172 0xb4d86c6cU, 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU,
173 0xafca6565U, 0x8ef47a7aU, 0xe947aeaeU, 0x18100808U,
174 0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, 0x725c2e2eU,
175 0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U,
176 0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU,
177 0xdd964b4bU, 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU,
178 0x90e07070U, 0x427c3e3eU, 0xc471b5b5U, 0xaacc6666U,
179 0xd8904848U, 0x05060303U, 0x01f7f6f6U, 0x121c0e0eU,
180 0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U,
181 0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU,
182 0x38d9e1e1U, 0x13ebf8f8U, 0xb32b9898U, 0x33221111U,
183 0xbbd26969U, 0x70a9d9d9U, 0x89078e8eU, 0xa7339494U,
184 0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, 0x20c9e9e9U,
185 0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU,
186 0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU,
187 0xda65bfbfU, 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U,
188 0xc3824141U, 0xb0299999U, 0x775a2d2dU, 0x111e0f0fU,
189 0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, 0x3a2c1616U,
190 };
191 static const u32 Te2[256] = {
192 0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU,
193 0xf20dfff2U, 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U,
194 0x30506030U, 0x01030201U, 0x67a9ce67U, 0x2b7d562bU,
195 0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, 0x769aec76U,
196 0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU,
197 0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U,
198 0xadec41adU, 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU,
199 0x9cbf239cU, 0xa4f753a4U, 0x7296e472U, 0xc05b9bc0U,
200 0xb7c275b7U, 0xfd1ce1fdU, 0x93ae3d93U, 0x266a4c26U,
201 0x365a6c36U, 0x3f417e3fU, 0xf702f5f7U, 0xcc4f83ccU,
202 0x345c6834U, 0xa5f451a5U, 0xe534d1e5U, 0xf108f9f1U,
203 0x7193e271U, 0xd873abd8U, 0x31536231U, 0x153f2a15U,
204 0x040c0804U, 0xc75295c7U, 0x23654623U, 0xc35e9dc3U,
205 0x18283018U, 0x96a13796U, 0x050f0a05U, 0x9ab52f9aU,
206 0x07090e07U, 0x12362412U, 0x809b1b80U, 0xe23ddfe2U,
207 0xeb26cdebU, 0x27694e27U, 0xb2cd7fb2U, 0x759fea75U,
208 0x091b1209U, 0x839e1d83U, 0x2c74582cU, 0x1a2e341aU,
209 0x1b2d361bU, 0x6eb2dc6eU, 0x5aeeb45aU, 0xa0fb5ba0U,
210 0x52f6a452U, 0x3b4d763bU, 0xd661b7d6U, 0xb3ce7db3U,
211 0x297b5229U, 0xe33edde3U, 0x2f715e2fU, 0x84971384U,
212 0x53f5a653U, 0xd168b9d1U, 0x00000000U, 0xed2cc1edU,
213 0x20604020U, 0xfc1fe3fcU, 0xb1c879b1U, 0x5bedb65bU,
214 0x6abed46aU, 0xcb468dcbU, 0xbed967beU, 0x394b7239U,
215 0x4ade944aU, 0x4cd4984cU, 0x58e8b058U, 0xcf4a85cfU,
216 0xd06bbbd0U, 0xef2ac5efU, 0xaae54faaU, 0xfb16edfbU,
217 0x43c58643U, 0x4dd79a4dU, 0x33556633U, 0x85941185U,
218 0x45cf8a45U, 0xf910e9f9U, 0x02060402U, 0x7f81fe7fU,
219 0x50f0a050U, 0x3c44783cU, 0x9fba259fU, 0xa8e34ba8U,
220 0x51f3a251U, 0xa3fe5da3U, 0x40c08040U, 0x8f8a058fU,
221 0x92ad3f92U, 0x9dbc219dU, 0x38487038U, 0xf504f1f5U,
222 0xbcdf63bcU, 0xb6c177b6U, 0xda75afdaU, 0x21634221U,
223 0x10302010U, 0xff1ae5ffU, 0xf30efdf3U, 0xd26dbfd2U,
224 0xcd4c81cdU, 0x0c14180cU, 0x13352613U, 0xec2fc3ecU,
225 0x5fe1be5fU, 0x97a23597U, 0x44cc8844U, 0x17392e17U,
226 0xc45793c4U, 0xa7f255a7U, 0x7e82fc7eU, 0x3d477a3dU,
227 0x64acc864U, 0x5de7ba5dU, 0x192b3219U, 0x7395e673U,
228 0x60a0c060U, 0x81981981U, 0x4fd19e4fU, 0xdc7fa3dcU,
229 0x22664422U, 0x2a7e542aU, 0x90ab3b90U, 0x88830b88U,
230 0x46ca8c46U, 0xee29c7eeU, 0xb8d36bb8U, 0x143c2814U,
231 0xde79a7deU, 0x5ee2bc5eU, 0x0b1d160bU, 0xdb76addbU,
232 0xe03bdbe0U, 0x32566432U, 0x3a4e743aU, 0x0a1e140aU,
233 0x49db9249U, 0x060a0c06U, 0x246c4824U, 0x5ce4b85cU,
234 0xc25d9fc2U, 0xd36ebdd3U, 0xacef43acU, 0x62a6c462U,
235 0x91a83991U, 0x95a43195U, 0xe437d3e4U, 0x798bf279U,
236 0xe732d5e7U, 0xc8438bc8U, 0x37596e37U, 0x6db7da6dU,
237 0x8d8c018dU, 0xd564b1d5U, 0x4ed29c4eU, 0xa9e049a9U,
238 0x6cb4d86cU, 0x56faac56U, 0xf407f3f4U, 0xea25cfeaU,
239 0x65afca65U, 0x7a8ef47aU, 0xaee947aeU, 0x08181008U,
240 0xbad56fbaU, 0x7888f078U, 0x256f4a25U, 0x2e725c2eU,
241 0x1c24381cU, 0xa6f157a6U, 0xb4c773b4U, 0xc65197c6U,
242 0xe823cbe8U, 0xdd7ca1ddU, 0x749ce874U, 0x1f213e1fU,
243 0x4bdd964bU, 0xbddc61bdU, 0x8b860d8bU, 0x8a850f8aU,
244 0x7090e070U, 0x3e427c3eU, 0xb5c471b5U, 0x66aacc66U,
245 0x48d89048U, 0x03050603U, 0xf601f7f6U, 0x0e121c0eU,
246 0x61a3c261U, 0x355f6a35U, 0x57f9ae57U, 0xb9d069b9U,
247 0x86911786U, 0xc15899c1U, 0x1d273a1dU, 0x9eb9279eU,
248 0xe138d9e1U, 0xf813ebf8U, 0x98b32b98U, 0x11332211U,
249 0x69bbd269U, 0xd970a9d9U, 0x8e89078eU, 0x94a73394U,
250 0x9bb62d9bU, 0x1e223c1eU, 0x87921587U, 0xe920c9e9U,
251 0xce4987ceU, 0x55ffaa55U, 0x28785028U, 0xdf7aa5dfU,
252 0x8c8f038cU, 0xa1f859a1U, 0x89800989U, 0x0d171a0dU,
253 0xbfda65bfU, 0xe631d7e6U, 0x42c68442U, 0x68b8d068U,
254 0x41c38241U, 0x99b02999U, 0x2d775a2dU, 0x0f111e0fU,
255 0xb0cb7bb0U, 0x54fca854U, 0xbbd66dbbU, 0x163a2c16U,
256 };
257 static const u32 Te3[256] = {
258 0x6363a5c6U, 0x7c7c84f8U, 0x777799eeU, 0x7b7b8df6U,
259 0xf2f20dffU, 0x6b6bbdd6U, 0x6f6fb1deU, 0xc5c55491U,
260 0x30305060U, 0x01010302U, 0x6767a9ceU, 0x2b2b7d56U,
261 0xfefe19e7U, 0xd7d762b5U, 0xababe64dU, 0x76769aecU,
262 0xcaca458fU, 0x82829d1fU, 0xc9c94089U, 0x7d7d87faU,
263 0xfafa15efU, 0x5959ebb2U, 0x4747c98eU, 0xf0f00bfbU,
264 0xadadec41U, 0xd4d467b3U, 0xa2a2fd5fU, 0xafafea45U,
265 0x9c9cbf23U, 0xa4a4f753U, 0x727296e4U, 0xc0c05b9bU,
266 0xb7b7c275U, 0xfdfd1ce1U, 0x9393ae3dU, 0x26266a4cU,
267 0x36365a6cU, 0x3f3f417eU, 0xf7f702f5U, 0xcccc4f83U,
268 0x34345c68U, 0xa5a5f451U, 0xe5e534d1U, 0xf1f108f9U,
269 0x717193e2U, 0xd8d873abU, 0x31315362U, 0x15153f2aU,
270 0x04040c08U, 0xc7c75295U, 0x23236546U, 0xc3c35e9dU,
271 0x18182830U, 0x9696a137U, 0x05050f0aU, 0x9a9ab52fU,
272 0x0707090eU, 0x12123624U, 0x80809b1bU, 0xe2e23ddfU,
273 0xebeb26cdU, 0x2727694eU, 0xb2b2cd7fU, 0x75759feaU,
274 0x09091b12U, 0x83839e1dU, 0x2c2c7458U, 0x1a1a2e34U,
275 0x1b1b2d36U, 0x6e6eb2dcU, 0x5a5aeeb4U, 0xa0a0fb5bU,
276 0x5252f6a4U, 0x3b3b4d76U, 0xd6d661b7U, 0xb3b3ce7dU,
277 0x29297b52U, 0xe3e33eddU, 0x2f2f715eU, 0x84849713U,
278 0x5353f5a6U, 0xd1d168b9U, 0x00000000U, 0xeded2cc1U,
279 0x20206040U, 0xfcfc1fe3U, 0xb1b1c879U, 0x5b5bedb6U,
280 0x6a6abed4U, 0xcbcb468dU, 0xbebed967U, 0x39394b72U,
281 0x4a4ade94U, 0x4c4cd498U, 0x5858e8b0U, 0xcfcf4a85U,
282 0xd0d06bbbU, 0xefef2ac5U, 0xaaaae54fU, 0xfbfb16edU,
283 0x4343c586U, 0x4d4dd79aU, 0x33335566U, 0x85859411U,
284 0x4545cf8aU, 0xf9f910e9U, 0x02020604U, 0x7f7f81feU,
285 0x5050f0a0U, 0x3c3c4478U, 0x9f9fba25U, 0xa8a8e34bU,
286 0x5151f3a2U, 0xa3a3fe5dU, 0x4040c080U, 0x8f8f8a05U,
287 0x9292ad3fU, 0x9d9dbc21U, 0x38384870U, 0xf5f504f1U,
288 0xbcbcdf63U, 0xb6b6c177U, 0xdada75afU, 0x21216342U,
289 0x10103020U, 0xffff1ae5U, 0xf3f30efdU, 0xd2d26dbfU,
290 0xcdcd4c81U, 0x0c0c1418U, 0x13133526U, 0xecec2fc3U,
291 0x5f5fe1beU, 0x9797a235U, 0x4444cc88U, 0x1717392eU,
292 0xc4c45793U, 0xa7a7f255U, 0x7e7e82fcU, 0x3d3d477aU,
293 0x6464acc8U, 0x5d5de7baU, 0x19192b32U, 0x737395e6U,
294 0x6060a0c0U, 0x81819819U, 0x4f4fd19eU, 0xdcdc7fa3U,
295 0x22226644U, 0x2a2a7e54U, 0x9090ab3bU, 0x8888830bU,
296 0x4646ca8cU, 0xeeee29c7U, 0xb8b8d36bU, 0x14143c28U,
297 0xdede79a7U, 0x5e5ee2bcU, 0x0b0b1d16U, 0xdbdb76adU,
298 0xe0e03bdbU, 0x32325664U, 0x3a3a4e74U, 0x0a0a1e14U,
299 0x4949db92U, 0x06060a0cU, 0x24246c48U, 0x5c5ce4b8U,
300 0xc2c25d9fU, 0xd3d36ebdU, 0xacacef43U, 0x6262a6c4U,
301 0x9191a839U, 0x9595a431U, 0xe4e437d3U, 0x79798bf2U,
302 0xe7e732d5U, 0xc8c8438bU, 0x3737596eU, 0x6d6db7daU,
303 0x8d8d8c01U, 0xd5d564b1U, 0x4e4ed29cU, 0xa9a9e049U,
304 0x6c6cb4d8U, 0x5656faacU, 0xf4f407f3U, 0xeaea25cfU,
305 0x6565afcaU, 0x7a7a8ef4U, 0xaeaee947U, 0x08081810U,
306 0xbabad56fU, 0x787888f0U, 0x25256f4aU, 0x2e2e725cU,
307 0x1c1c2438U, 0xa6a6f157U, 0xb4b4c773U, 0xc6c65197U,
308 0xe8e823cbU, 0xdddd7ca1U, 0x74749ce8U, 0x1f1f213eU,
309 0x4b4bdd96U, 0xbdbddc61U, 0x8b8b860dU, 0x8a8a850fU,
310 0x707090e0U, 0x3e3e427cU, 0xb5b5c471U, 0x6666aaccU,
311 0x4848d890U, 0x03030506U, 0xf6f601f7U, 0x0e0e121cU,
312 0x6161a3c2U, 0x35355f6aU, 0x5757f9aeU, 0xb9b9d069U,
313 0x86869117U, 0xc1c15899U, 0x1d1d273aU, 0x9e9eb927U,
314 0xe1e138d9U, 0xf8f813ebU, 0x9898b32bU, 0x11113322U,
315 0x6969bbd2U, 0xd9d970a9U, 0x8e8e8907U, 0x9494a733U,
316 0x9b9bb62dU, 0x1e1e223cU, 0x87879215U, 0xe9e920c9U,
317 0xcece4987U, 0x5555ffaaU, 0x28287850U, 0xdfdf7aa5U,
318 0x8c8c8f03U, 0xa1a1f859U, 0x89898009U, 0x0d0d171aU,
319 0xbfbfda65U, 0xe6e631d7U, 0x4242c684U, 0x6868b8d0U,
320 0x4141c382U, 0x9999b029U, 0x2d2d775aU, 0x0f0f111eU,
321 0xb0b0cb7bU, 0x5454fca8U, 0xbbbbd66dU, 0x16163a2cU,
322 };
323
324 static const u32 Td0[256] = {
325 0x51f4a750U, 0x7e416553U, 0x1a17a4c3U, 0x3a275e96U,
326 0x3bab6bcbU, 0x1f9d45f1U, 0xacfa58abU, 0x4be30393U,
327 0x2030fa55U, 0xad766df6U, 0x88cc7691U, 0xf5024c25U,
328 0x4fe5d7fcU, 0xc52acbd7U, 0x26354480U, 0xb562a38fU,
329 0xdeb15a49U, 0x25ba1b67U, 0x45ea0e98U, 0x5dfec0e1U,
330 0xc32f7502U, 0x814cf012U, 0x8d4697a3U, 0x6bd3f9c6U,
331 0x038f5fe7U, 0x15929c95U, 0xbf6d7aebU, 0x955259daU,
332 0xd4be832dU, 0x587421d3U, 0x49e06929U, 0x8ec9c844U,
333 0x75c2896aU, 0xf48e7978U, 0x99583e6bU, 0x27b971ddU,
334 0xbee14fb6U, 0xf088ad17U, 0xc920ac66U, 0x7dce3ab4U,
335 0x63df4a18U, 0xe51a3182U, 0x97513360U, 0x62537f45U,
336 0xb16477e0U, 0xbb6bae84U, 0xfe81a01cU, 0xf9082b94U,
337 0x70486858U, 0x8f45fd19U, 0x94de6c87U, 0x527bf8b7U,
338 0xab73d323U, 0x724b02e2U, 0xe31f8f57U, 0x6655ab2aU,
339 0xb2eb2807U, 0x2fb5c203U, 0x86c57b9aU, 0xd33708a5U,
340 0x302887f2U, 0x23bfa5b2U, 0x02036abaU, 0xed16825cU,
341 0x8acf1c2bU, 0xa779b492U, 0xf307f2f0U, 0x4e69e2a1U,
342 0x65daf4cdU, 0x0605bed5U, 0xd134621fU, 0xc4a6fe8aU,
343 0x342e539dU, 0xa2f355a0U, 0x058ae132U, 0xa4f6eb75U,
344 0x0b83ec39U, 0x4060efaaU, 0x5e719f06U, 0xbd6e1051U,
345 0x3e218af9U, 0x96dd063dU, 0xdd3e05aeU, 0x4de6bd46U,
346 0x91548db5U, 0x71c45d05U, 0x0406d46fU, 0x605015ffU,
347 0x1998fb24U, 0xd6bde997U, 0x894043ccU, 0x67d99e77U,
348 0xb0e842bdU, 0x07898b88U, 0xe7195b38U, 0x79c8eedbU,
349 0xa17c0a47U, 0x7c420fe9U, 0xf8841ec9U, 0x00000000U,
350 0x09808683U, 0x322bed48U, 0x1e1170acU, 0x6c5a724eU,
351 0xfd0efffbU, 0x0f853856U, 0x3daed51eU, 0x362d3927U,
352 0x0a0fd964U, 0x685ca621U, 0x9b5b54d1U, 0x24362e3aU,
353 0x0c0a67b1U, 0x9357e70fU, 0xb4ee96d2U, 0x1b9b919eU,
354 0x80c0c54fU, 0x61dc20a2U, 0x5a774b69U, 0x1c121a16U,
355 0xe293ba0aU, 0xc0a02ae5U, 0x3c22e043U, 0x121b171dU,
356 0x0e090d0bU, 0xf28bc7adU, 0x2db6a8b9U, 0x141ea9c8U,
357 0x57f11985U, 0xaf75074cU, 0xee99ddbbU, 0xa37f60fdU,
358 0xf701269fU, 0x5c72f5bcU, 0x44663bc5U, 0x5bfb7e34U,
359 0x8b432976U, 0xcb23c6dcU, 0xb6edfc68U, 0xb8e4f163U,
360 0xd731dccaU, 0x42638510U, 0x13972240U, 0x84c61120U,
361 0x854a247dU, 0xd2bb3df8U, 0xaef93211U, 0xc729a16dU,
362 0x1d9e2f4bU, 0xdcb230f3U, 0x0d8652ecU, 0x77c1e3d0U,
363 0x2bb3166cU, 0xa970b999U, 0x119448faU, 0x47e96422U,
364 0xa8fc8cc4U, 0xa0f03f1aU, 0x567d2cd8U, 0x223390efU,
365 0x87494ec7U, 0xd938d1c1U, 0x8ccaa2feU, 0x98d40b36U,
366 0xa6f581cfU, 0xa57ade28U, 0xdab78e26U, 0x3fadbfa4U,
367 0x2c3a9de4U, 0x5078920dU, 0x6a5fcc9bU, 0x547e4662U,
368 0xf68d13c2U, 0x90d8b8e8U, 0x2e39f75eU, 0x82c3aff5U,
369 0x9f5d80beU, 0x69d0937cU, 0x6fd52da9U, 0xcf2512b3U,
370 0xc8ac993bU, 0x10187da7U, 0xe89c636eU, 0xdb3bbb7bU,
371 0xcd267809U, 0x6e5918f4U, 0xec9ab701U, 0x834f9aa8U,
372 0xe6956e65U, 0xaaffe67eU, 0x21bccf08U, 0xef15e8e6U,
373 0xbae79bd9U, 0x4a6f36ceU, 0xea9f09d4U, 0x29b07cd6U,
374 0x31a4b2afU, 0x2a3f2331U, 0xc6a59430U, 0x35a266c0U,
375 0x744ebc37U, 0xfc82caa6U, 0xe090d0b0U, 0x33a7d815U,
376 0xf104984aU, 0x41ecdaf7U, 0x7fcd500eU, 0x1791f62fU,
377 0x764dd68dU, 0x43efb04dU, 0xccaa4d54U, 0xe49604dfU,
378 0x9ed1b5e3U, 0x4c6a881bU, 0xc12c1fb8U, 0x4665517fU,
379 0x9d5eea04U, 0x018c355dU, 0xfa877473U, 0xfb0b412eU,
380 0xb3671d5aU, 0x92dbd252U, 0xe9105633U, 0x6dd64713U,
381 0x9ad7618cU, 0x37a10c7aU, 0x59f8148eU, 0xeb133c89U,
382 0xcea927eeU, 0xb761c935U, 0xe11ce5edU, 0x7a47b13cU,
383 0x9cd2df59U, 0x55f2733fU, 0x1814ce79U, 0x73c737bfU,
384 0x53f7cdeaU, 0x5ffdaa5bU, 0xdf3d6f14U, 0x7844db86U,
385 0xcaaff381U, 0xb968c43eU, 0x3824342cU, 0xc2a3405fU,
386 0x161dc372U, 0xbce2250cU, 0x283c498bU, 0xff0d9541U,
387 0x39a80171U, 0x080cb3deU, 0xd8b4e49cU, 0x6456c190U,
388 0x7bcb8461U, 0xd532b670U, 0x486c5c74U, 0xd0b85742U,
389 };
390 static const u32 Td1[256] = {
391 0x5051f4a7U, 0x537e4165U, 0xc31a17a4U, 0x963a275eU,
392 0xcb3bab6bU, 0xf11f9d45U, 0xabacfa58U, 0x934be303U,
393 0x552030faU, 0xf6ad766dU, 0x9188cc76U, 0x25f5024cU,
394 0xfc4fe5d7U, 0xd7c52acbU, 0x80263544U, 0x8fb562a3U,
395 0x49deb15aU, 0x6725ba1bU, 0x9845ea0eU, 0xe15dfec0U,
396 0x02c32f75U, 0x12814cf0U, 0xa38d4697U, 0xc66bd3f9U,
397 0xe7038f5fU, 0x9515929cU, 0xebbf6d7aU, 0xda955259U,
398 0x2dd4be83U, 0xd3587421U, 0x2949e069U, 0x448ec9c8U,
399 0x6a75c289U, 0x78f48e79U, 0x6b99583eU, 0xdd27b971U,
400 0xb6bee14fU, 0x17f088adU, 0x66c920acU, 0xb47dce3aU,
401 0x1863df4aU, 0x82e51a31U, 0x60975133U, 0x4562537fU,
402 0xe0b16477U, 0x84bb6baeU, 0x1cfe81a0U, 0x94f9082bU,
403 0x58704868U, 0x198f45fdU, 0x8794de6cU, 0xb7527bf8U,
404 0x23ab73d3U, 0xe2724b02U, 0x57e31f8fU, 0x2a6655abU,
405 0x07b2eb28U, 0x032fb5c2U, 0x9a86c57bU, 0xa5d33708U,
406 0xf2302887U, 0xb223bfa5U, 0xba02036aU, 0x5ced1682U,
407 0x2b8acf1cU, 0x92a779b4U, 0xf0f307f2U, 0xa14e69e2U,
408 0xcd65daf4U, 0xd50605beU, 0x1fd13462U, 0x8ac4a6feU,
409 0x9d342e53U, 0xa0a2f355U, 0x32058ae1U, 0x75a4f6ebU,
410 0x390b83ecU, 0xaa4060efU, 0x065e719fU, 0x51bd6e10U,
411 0xf93e218aU, 0x3d96dd06U, 0xaedd3e05U, 0x464de6bdU,
412 0xb591548dU, 0x0571c45dU, 0x6f0406d4U, 0xff605015U,
413 0x241998fbU, 0x97d6bde9U, 0xcc894043U, 0x7767d99eU,
414 0xbdb0e842U, 0x8807898bU, 0x38e7195bU, 0xdb79c8eeU,
415 0x47a17c0aU, 0xe97c420fU, 0xc9f8841eU, 0x00000000U,
416 0x83098086U, 0x48322bedU, 0xac1e1170U, 0x4e6c5a72U,
417 0xfbfd0effU, 0x560f8538U, 0x1e3daed5U, 0x27362d39U,
418 0x640a0fd9U, 0x21685ca6U, 0xd19b5b54U, 0x3a24362eU,
419 0xb10c0a67U, 0x0f9357e7U, 0xd2b4ee96U, 0x9e1b9b91U,
420 0x4f80c0c5U, 0xa261dc20U, 0x695a774bU, 0x161c121aU,
421 0x0ae293baU, 0xe5c0a02aU, 0x433c22e0U, 0x1d121b17U,
422 0x0b0e090dU, 0xadf28bc7U, 0xb92db6a8U, 0xc8141ea9U,
423 0x8557f119U, 0x4caf7507U, 0xbbee99ddU, 0xfda37f60U,
424 0x9ff70126U, 0xbc5c72f5U, 0xc544663bU, 0x345bfb7eU,
425 0x768b4329U, 0xdccb23c6U, 0x68b6edfcU, 0x63b8e4f1U,
426 0xcad731dcU, 0x10426385U, 0x40139722U, 0x2084c611U,
427 0x7d854a24U, 0xf8d2bb3dU, 0x11aef932U, 0x6dc729a1U,
428 0x4b1d9e2fU, 0xf3dcb230U, 0xec0d8652U, 0xd077c1e3U,
429 0x6c2bb316U, 0x99a970b9U, 0xfa119448U, 0x2247e964U,
430 0xc4a8fc8cU, 0x1aa0f03fU, 0xd8567d2cU, 0xef223390U,
431 0xc787494eU, 0xc1d938d1U, 0xfe8ccaa2U, 0x3698d40bU,
432 0xcfa6f581U, 0x28a57adeU, 0x26dab78eU, 0xa43fadbfU,
433 0xe42c3a9dU, 0x0d507892U, 0x9b6a5fccU, 0x62547e46U,
434 0xc2f68d13U, 0xe890d8b8U, 0x5e2e39f7U, 0xf582c3afU,
435 0xbe9f5d80U, 0x7c69d093U, 0xa96fd52dU, 0xb3cf2512U,
436 0x3bc8ac99U, 0xa710187dU, 0x6ee89c63U, 0x7bdb3bbbU,
437 0x09cd2678U, 0xf46e5918U, 0x01ec9ab7U, 0xa8834f9aU,
438 0x65e6956eU, 0x7eaaffe6U, 0x0821bccfU, 0xe6ef15e8U,
439 0xd9bae79bU, 0xce4a6f36U, 0xd4ea9f09U, 0xd629b07cU,
440 0xaf31a4b2U, 0x312a3f23U, 0x30c6a594U, 0xc035a266U,
441 0x37744ebcU, 0xa6fc82caU, 0xb0e090d0U, 0x1533a7d8U,
442 0x4af10498U, 0xf741ecdaU, 0x0e7fcd50U, 0x2f1791f6U,
443 0x8d764dd6U, 0x4d43efb0U, 0x54ccaa4dU, 0xdfe49604U,
444 0xe39ed1b5U, 0x1b4c6a88U, 0xb8c12c1fU, 0x7f466551U,
445 0x049d5eeaU, 0x5d018c35U, 0x73fa8774U, 0x2efb0b41U,
446 0x5ab3671dU, 0x5292dbd2U, 0x33e91056U, 0x136dd647U,
447 0x8c9ad761U, 0x7a37a10cU, 0x8e59f814U, 0x89eb133cU,
448 0xeecea927U, 0x35b761c9U, 0xede11ce5U, 0x3c7a47b1U,
449 0x599cd2dfU, 0x3f55f273U, 0x791814ceU, 0xbf73c737U,
450 0xea53f7cdU, 0x5b5ffdaaU, 0x14df3d6fU, 0x867844dbU,
451 0x81caaff3U, 0x3eb968c4U, 0x2c382434U, 0x5fc2a340U,
452 0x72161dc3U, 0x0cbce225U, 0x8b283c49U, 0x41ff0d95U,
453 0x7139a801U, 0xde080cb3U, 0x9cd8b4e4U, 0x906456c1U,
454 0x617bcb84U, 0x70d532b6U, 0x74486c5cU, 0x42d0b857U,
455 };
456 static const u32 Td2[256] = {
457 0xa75051f4U, 0x65537e41U, 0xa4c31a17U, 0x5e963a27U,
458 0x6bcb3babU, 0x45f11f9dU, 0x58abacfaU, 0x03934be3U,
459 0xfa552030U, 0x6df6ad76U, 0x769188ccU, 0x4c25f502U,
460 0xd7fc4fe5U, 0xcbd7c52aU, 0x44802635U, 0xa38fb562U,
461 0x5a49deb1U, 0x1b6725baU, 0x0e9845eaU, 0xc0e15dfeU,
462 0x7502c32fU, 0xf012814cU, 0x97a38d46U, 0xf9c66bd3U,
463 0x5fe7038fU, 0x9c951592U, 0x7aebbf6dU, 0x59da9552U,
464 0x832dd4beU, 0x21d35874U, 0x692949e0U, 0xc8448ec9U,
465 0x896a75c2U, 0x7978f48eU, 0x3e6b9958U, 0x71dd27b9U,
466 0x4fb6bee1U, 0xad17f088U, 0xac66c920U, 0x3ab47dceU,
467 0x4a1863dfU, 0x3182e51aU, 0x33609751U, 0x7f456253U,
468 0x77e0b164U, 0xae84bb6bU, 0xa01cfe81U, 0x2b94f908U,
469 0x68587048U, 0xfd198f45U, 0x6c8794deU, 0xf8b7527bU,
470 0xd323ab73U, 0x02e2724bU, 0x8f57e31fU, 0xab2a6655U,
471 0x2807b2ebU, 0xc2032fb5U, 0x7b9a86c5U, 0x08a5d337U,
472 0x87f23028U, 0xa5b223bfU, 0x6aba0203U, 0x825ced16U,
473 0x1c2b8acfU, 0xb492a779U, 0xf2f0f307U, 0xe2a14e69U,
474 0xf4cd65daU, 0xbed50605U, 0x621fd134U, 0xfe8ac4a6U,
475 0x539d342eU, 0x55a0a2f3U, 0xe132058aU, 0xeb75a4f6U,
476 0xec390b83U, 0xefaa4060U, 0x9f065e71U, 0x1051bd6eU,
477 0x8af93e21U, 0x063d96ddU, 0x05aedd3eU, 0xbd464de6U,
478 0x8db59154U, 0x5d0571c4U, 0xd46f0406U, 0x15ff6050U,
479 0xfb241998U, 0xe997d6bdU, 0x43cc8940U, 0x9e7767d9U,
480 0x42bdb0e8U, 0x8b880789U, 0x5b38e719U, 0xeedb79c8U,
481 0x0a47a17cU, 0x0fe97c42U, 0x1ec9f884U, 0x00000000U,
482 0x86830980U, 0xed48322bU, 0x70ac1e11U, 0x724e6c5aU,
483 0xfffbfd0eU, 0x38560f85U, 0xd51e3daeU, 0x3927362dU,
484 0xd9640a0fU, 0xa621685cU, 0x54d19b5bU, 0x2e3a2436U,
485 0x67b10c0aU, 0xe70f9357U, 0x96d2b4eeU, 0x919e1b9bU,
486 0xc54f80c0U, 0x20a261dcU, 0x4b695a77U, 0x1a161c12U,
487 0xba0ae293U, 0x2ae5c0a0U, 0xe0433c22U, 0x171d121bU,
488 0x0d0b0e09U, 0xc7adf28bU, 0xa8b92db6U, 0xa9c8141eU,
489 0x198557f1U, 0x074caf75U, 0xddbbee99U, 0x60fda37fU,
490 0x269ff701U, 0xf5bc5c72U, 0x3bc54466U, 0x7e345bfbU,
491 0x29768b43U, 0xc6dccb23U, 0xfc68b6edU, 0xf163b8e4U,
492 0xdccad731U, 0x85104263U, 0x22401397U, 0x112084c6U,
493 0x247d854aU, 0x3df8d2bbU, 0x3211aef9U, 0xa16dc729U,
494 0x2f4b1d9eU, 0x30f3dcb2U, 0x52ec0d86U, 0xe3d077c1U,
495 0x166c2bb3U, 0xb999a970U, 0x48fa1194U, 0x642247e9U,
496 0x8cc4a8fcU, 0x3f1aa0f0U, 0x2cd8567dU, 0x90ef2233U,
497 0x4ec78749U, 0xd1c1d938U, 0xa2fe8ccaU, 0x0b3698d4U,
498 0x81cfa6f5U, 0xde28a57aU, 0x8e26dab7U, 0xbfa43fadU,
499 0x9de42c3aU, 0x920d5078U, 0xcc9b6a5fU, 0x4662547eU,
500 0x13c2f68dU, 0xb8e890d8U, 0xf75e2e39U, 0xaff582c3U,
501 0x80be9f5dU, 0x937c69d0U, 0x2da96fd5U, 0x12b3cf25U,
502 0x993bc8acU, 0x7da71018U, 0x636ee89cU, 0xbb7bdb3bU,
503 0x7809cd26U, 0x18f46e59U, 0xb701ec9aU, 0x9aa8834fU,
504 0x6e65e695U, 0xe67eaaffU, 0xcf0821bcU, 0xe8e6ef15U,
505 0x9bd9bae7U, 0x36ce4a6fU, 0x09d4ea9fU, 0x7cd629b0U,
506 0xb2af31a4U, 0x23312a3fU, 0x9430c6a5U, 0x66c035a2U,
507 0xbc37744eU, 0xcaa6fc82U, 0xd0b0e090U, 0xd81533a7U,
508 0x984af104U, 0xdaf741ecU, 0x500e7fcdU, 0xf62f1791U,
509 0xd68d764dU, 0xb04d43efU, 0x4d54ccaaU, 0x04dfe496U,
510 0xb5e39ed1U, 0x881b4c6aU, 0x1fb8c12cU, 0x517f4665U,
511 0xea049d5eU, 0x355d018cU, 0x7473fa87U, 0x412efb0bU,
512 0x1d5ab367U, 0xd25292dbU, 0x5633e910U, 0x47136dd6U,
513 0x618c9ad7U, 0x0c7a37a1U, 0x148e59f8U, 0x3c89eb13U,
514 0x27eecea9U, 0xc935b761U, 0xe5ede11cU, 0xb13c7a47U,
515 0xdf599cd2U, 0x733f55f2U, 0xce791814U, 0x37bf73c7U,
516 0xcdea53f7U, 0xaa5b5ffdU, 0x6f14df3dU, 0xdb867844U,
517 0xf381caafU, 0xc43eb968U, 0x342c3824U, 0x405fc2a3U,
518 0xc372161dU, 0x250cbce2U, 0x498b283cU, 0x9541ff0dU,
519 0x017139a8U, 0xb3de080cU, 0xe49cd8b4U, 0xc1906456U,
520 0x84617bcbU, 0xb670d532U, 0x5c74486cU, 0x5742d0b8U,
521 };
522 static const u32 Td3[256] = {
523 0xf4a75051U, 0x4165537eU, 0x17a4c31aU, 0x275e963aU,
524 0xab6bcb3bU, 0x9d45f11fU, 0xfa58abacU, 0xe303934bU,
525 0x30fa5520U, 0x766df6adU, 0xcc769188U, 0x024c25f5U,
526 0xe5d7fc4fU, 0x2acbd7c5U, 0x35448026U, 0x62a38fb5U,
527 0xb15a49deU, 0xba1b6725U, 0xea0e9845U, 0xfec0e15dU,
528 0x2f7502c3U, 0x4cf01281U, 0x4697a38dU, 0xd3f9c66bU,
529 0x8f5fe703U, 0x929c9515U, 0x6d7aebbfU, 0x5259da95U,
530 0xbe832dd4U, 0x7421d358U, 0xe0692949U, 0xc9c8448eU,
531 0xc2896a75U, 0x8e7978f4U, 0x583e6b99U, 0xb971dd27U,
532 0xe14fb6beU, 0x88ad17f0U, 0x20ac66c9U, 0xce3ab47dU,
533 0xdf4a1863U, 0x1a3182e5U, 0x51336097U, 0x537f4562U,
534 0x6477e0b1U, 0x6bae84bbU, 0x81a01cfeU, 0x082b94f9U,
535 0x48685870U, 0x45fd198fU, 0xde6c8794U, 0x7bf8b752U,
536 0x73d323abU, 0x4b02e272U, 0x1f8f57e3U, 0x55ab2a66U,
537 0xeb2807b2U, 0xb5c2032fU, 0xc57b9a86U, 0x3708a5d3U,
538 0x2887f230U, 0xbfa5b223U, 0x036aba02U, 0x16825cedU,
539 0xcf1c2b8aU, 0x79b492a7U, 0x07f2f0f3U, 0x69e2a14eU,
540 0xdaf4cd65U, 0x05bed506U, 0x34621fd1U, 0xa6fe8ac4U,
541 0x2e539d34U, 0xf355a0a2U, 0x8ae13205U, 0xf6eb75a4U,
542 0x83ec390bU, 0x60efaa40U, 0x719f065eU, 0x6e1051bdU,
543 0x218af93eU, 0xdd063d96U, 0x3e05aeddU, 0xe6bd464dU,
544 0x548db591U, 0xc45d0571U, 0x06d46f04U, 0x5015ff60U,
545 0x98fb2419U, 0xbde997d6U, 0x4043cc89U, 0xd99e7767U,
546 0xe842bdb0U, 0x898b8807U, 0x195b38e7U, 0xc8eedb79U,
547 0x7c0a47a1U, 0x420fe97cU, 0x841ec9f8U, 0x00000000U,
548 0x80868309U, 0x2bed4832U, 0x1170ac1eU, 0x5a724e6cU,
549 0x0efffbfdU, 0x8538560fU, 0xaed51e3dU, 0x2d392736U,
550 0x0fd9640aU, 0x5ca62168U, 0x5b54d19bU, 0x362e3a24U,
551 0x0a67b10cU, 0x57e70f93U, 0xee96d2b4U, 0x9b919e1bU,
552 0xc0c54f80U, 0xdc20a261U, 0x774b695aU, 0x121a161cU,
553 0x93ba0ae2U, 0xa02ae5c0U, 0x22e0433cU, 0x1b171d12U,
554 0x090d0b0eU, 0x8bc7adf2U, 0xb6a8b92dU, 0x1ea9c814U,
555 0xf1198557U, 0x75074cafU, 0x99ddbbeeU, 0x7f60fda3U,
556 0x01269ff7U, 0x72f5bc5cU, 0x663bc544U, 0xfb7e345bU,
557 0x4329768bU, 0x23c6dccbU, 0xedfc68b6U, 0xe4f163b8U,
558 0x31dccad7U, 0x63851042U, 0x97224013U, 0xc6112084U,
559 0x4a247d85U, 0xbb3df8d2U, 0xf93211aeU, 0x29a16dc7U,
560 0x9e2f4b1dU, 0xb230f3dcU, 0x8652ec0dU, 0xc1e3d077U,
561 0xb3166c2bU, 0x70b999a9U, 0x9448fa11U, 0xe9642247U,
562 0xfc8cc4a8U, 0xf03f1aa0U, 0x7d2cd856U, 0x3390ef22U,
563 0x494ec787U, 0x38d1c1d9U, 0xcaa2fe8cU, 0xd40b3698U,
564 0xf581cfa6U, 0x7ade28a5U, 0xb78e26daU, 0xadbfa43fU,
565 0x3a9de42cU, 0x78920d50U, 0x5fcc9b6aU, 0x7e466254U,
566 0x8d13c2f6U, 0xd8b8e890U, 0x39f75e2eU, 0xc3aff582U,
567 0x5d80be9fU, 0xd0937c69U, 0xd52da96fU, 0x2512b3cfU,
568 0xac993bc8U, 0x187da710U, 0x9c636ee8U, 0x3bbb7bdbU,
569 0x267809cdU, 0x5918f46eU, 0x9ab701ecU, 0x4f9aa883U,
570 0x956e65e6U, 0xffe67eaaU, 0xbccf0821U, 0x15e8e6efU,
571 0xe79bd9baU, 0x6f36ce4aU, 0x9f09d4eaU, 0xb07cd629U,
572 0xa4b2af31U, 0x3f23312aU, 0xa59430c6U, 0xa266c035U,
573 0x4ebc3774U, 0x82caa6fcU, 0x90d0b0e0U, 0xa7d81533U,
574 0x04984af1U, 0xecdaf741U, 0xcd500e7fU, 0x91f62f17U,
575 0x4dd68d76U, 0xefb04d43U, 0xaa4d54ccU, 0x9604dfe4U,
576 0xd1b5e39eU, 0x6a881b4cU, 0x2c1fb8c1U, 0x65517f46U,
577 0x5eea049dU, 0x8c355d01U, 0x877473faU, 0x0b412efbU,
578 0x671d5ab3U, 0xdbd25292U, 0x105633e9U, 0xd647136dU,
579 0xd7618c9aU, 0xa10c7a37U, 0xf8148e59U, 0x133c89ebU,
580 0xa927eeceU, 0x61c935b7U, 0x1ce5ede1U, 0x47b13c7aU,
581 0xd2df599cU, 0xf2733f55U, 0x14ce7918U, 0xc737bf73U,
582 0xf7cdea53U, 0xfdaa5b5fU, 0x3d6f14dfU, 0x44db8678U,
583 0xaff381caU, 0x68c43eb9U, 0x24342c38U, 0xa3405fc2U,
584 0x1dc37216U, 0xe2250cbcU, 0x3c498b28U, 0x0d9541ffU,
585 0xa8017139U, 0x0cb3de08U, 0xb4e49cd8U, 0x56c19064U,
586 0xcb84617bU, 0x32b670d5U, 0x6c5c7448U, 0xb85742d0U,
587 };
588 static const u8 Td4[256] = {
589 0x52U, 0x09U, 0x6aU, 0xd5U, 0x30U, 0x36U, 0xa5U, 0x38U,
590 0xbfU, 0x40U, 0xa3U, 0x9eU, 0x81U, 0xf3U, 0xd7U, 0xfbU,
591 0x7cU, 0xe3U, 0x39U, 0x82U, 0x9bU, 0x2fU, 0xffU, 0x87U,
592 0x34U, 0x8eU, 0x43U, 0x44U, 0xc4U, 0xdeU, 0xe9U, 0xcbU,
593 0x54U, 0x7bU, 0x94U, 0x32U, 0xa6U, 0xc2U, 0x23U, 0x3dU,
594 0xeeU, 0x4cU, 0x95U, 0x0bU, 0x42U, 0xfaU, 0xc3U, 0x4eU,
595 0x08U, 0x2eU, 0xa1U, 0x66U, 0x28U, 0xd9U, 0x24U, 0xb2U,
596 0x76U, 0x5bU, 0xa2U, 0x49U, 0x6dU, 0x8bU, 0xd1U, 0x25U,
597 0x72U, 0xf8U, 0xf6U, 0x64U, 0x86U, 0x68U, 0x98U, 0x16U,
598 0xd4U, 0xa4U, 0x5cU, 0xccU, 0x5dU, 0x65U, 0xb6U, 0x92U,
599 0x6cU, 0x70U, 0x48U, 0x50U, 0xfdU, 0xedU, 0xb9U, 0xdaU,
600 0x5eU, 0x15U, 0x46U, 0x57U, 0xa7U, 0x8dU, 0x9dU, 0x84U,
601 0x90U, 0xd8U, 0xabU, 0x00U, 0x8cU, 0xbcU, 0xd3U, 0x0aU,
602 0xf7U, 0xe4U, 0x58U, 0x05U, 0xb8U, 0xb3U, 0x45U, 0x06U,
603 0xd0U, 0x2cU, 0x1eU, 0x8fU, 0xcaU, 0x3fU, 0x0fU, 0x02U,
604 0xc1U, 0xafU, 0xbdU, 0x03U, 0x01U, 0x13U, 0x8aU, 0x6bU,
605 0x3aU, 0x91U, 0x11U, 0x41U, 0x4fU, 0x67U, 0xdcU, 0xeaU,
606 0x97U, 0xf2U, 0xcfU, 0xceU, 0xf0U, 0xb4U, 0xe6U, 0x73U,
607 0x96U, 0xacU, 0x74U, 0x22U, 0xe7U, 0xadU, 0x35U, 0x85U,
608 0xe2U, 0xf9U, 0x37U, 0xe8U, 0x1cU, 0x75U, 0xdfU, 0x6eU,
609 0x47U, 0xf1U, 0x1aU, 0x71U, 0x1dU, 0x29U, 0xc5U, 0x89U,
610 0x6fU, 0xb7U, 0x62U, 0x0eU, 0xaaU, 0x18U, 0xbeU, 0x1bU,
611 0xfcU, 0x56U, 0x3eU, 0x4bU, 0xc6U, 0xd2U, 0x79U, 0x20U,
612 0x9aU, 0xdbU, 0xc0U, 0xfeU, 0x78U, 0xcdU, 0x5aU, 0xf4U,
613 0x1fU, 0xddU, 0xa8U, 0x33U, 0x88U, 0x07U, 0xc7U, 0x31U,
614 0xb1U, 0x12U, 0x10U, 0x59U, 0x27U, 0x80U, 0xecU, 0x5fU,
615 0x60U, 0x51U, 0x7fU, 0xa9U, 0x19U, 0xb5U, 0x4aU, 0x0dU,
616 0x2dU, 0xe5U, 0x7aU, 0x9fU, 0x93U, 0xc9U, 0x9cU, 0xefU,
617 0xa0U, 0xe0U, 0x3bU, 0x4dU, 0xaeU, 0x2aU, 0xf5U, 0xb0U,
618 0xc8U, 0xebU, 0xbbU, 0x3cU, 0x83U, 0x53U, 0x99U, 0x61U,
619 0x17U, 0x2bU, 0x04U, 0x7eU, 0xbaU, 0x77U, 0xd6U, 0x26U,
620 0xe1U, 0x69U, 0x14U, 0x63U, 0x55U, 0x21U, 0x0cU, 0x7dU,
621 };
622 static const u32 rcon[] = {
623 0x01000000, 0x02000000, 0x04000000, 0x08000000,
624 0x10000000, 0x20000000, 0x40000000, 0x80000000,
625 0x1B000000, 0x36000000, /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */
626 };
627
628 /**
629 * Expand the cipher key into the encryption key schedule.
630 */
rk_aes_set_encrypt_key(const unsigned char * userKey,const int bits,RK_AES_KEY * key)631 int rk_aes_set_encrypt_key(const unsigned char *userKey, const int bits,
632 RK_AES_KEY *key) {
633
634 u32 *rk;
635 int i = 0;
636 u32 temp;
637
638 #ifdef OPENSSL_FIPS
639 FIPS_selftest_check();
640 #endif
641
642 if (!userKey || !key)
643 return -1;
644 if (bits != 128 && bits != 192 && bits != 256)
645 return -2;
646
647 rk = key->rd_key;
648
649 if (bits==128)
650 key->rounds = 10;
651 else if (bits==192)
652 key->rounds = 12;
653 else
654 key->rounds = 14;
655
656 rk[0] = GETU32(userKey );
657 rk[1] = GETU32(userKey + 4);
658 rk[2] = GETU32(userKey + 8);
659 rk[3] = GETU32(userKey + 12);
660 if (bits == 128) {
661 while (1) {
662 temp = rk[3];
663 rk[4] = rk[0] ^
664 (Te2[(temp >> 16) & 0xff] & 0xff000000) ^
665 (Te3[(temp >> 8) & 0xff] & 0x00ff0000) ^
666 (Te0[(temp ) & 0xff] & 0x0000ff00) ^
667 (Te1[(temp >> 24) ] & 0x000000ff) ^
668 rcon[i];
669 rk[5] = rk[1] ^ rk[4];
670 rk[6] = rk[2] ^ rk[5];
671 rk[7] = rk[3] ^ rk[6];
672 if (++i == 10) {
673 return 0;
674 }
675 rk += 4;
676 }
677 }
678 rk[4] = GETU32(userKey + 16);
679 rk[5] = GETU32(userKey + 20);
680 if (bits == 192) {
681 while (1) {
682 temp = rk[ 5];
683 rk[ 6] = rk[ 0] ^
684 (Te2[(temp >> 16) & 0xff] & 0xff000000) ^
685 (Te3[(temp >> 8) & 0xff] & 0x00ff0000) ^
686 (Te0[(temp ) & 0xff] & 0x0000ff00) ^
687 (Te1[(temp >> 24) ] & 0x000000ff) ^
688 rcon[i];
689 rk[ 7] = rk[ 1] ^ rk[ 6];
690 rk[ 8] = rk[ 2] ^ rk[ 7];
691 rk[ 9] = rk[ 3] ^ rk[ 8];
692 if (++i == 8) {
693 return 0;
694 }
695 rk[10] = rk[ 4] ^ rk[ 9];
696 rk[11] = rk[ 5] ^ rk[10];
697 rk += 6;
698 }
699 }
700 rk[6] = GETU32(userKey + 24);
701 rk[7] = GETU32(userKey + 28);
702 if (bits == 256) {
703 while (1) {
704 temp = rk[ 7];
705 rk[ 8] = rk[ 0] ^
706 (Te2[(temp >> 16) & 0xff] & 0xff000000) ^
707 (Te3[(temp >> 8) & 0xff] & 0x00ff0000) ^
708 (Te0[(temp ) & 0xff] & 0x0000ff00) ^
709 (Te1[(temp >> 24) ] & 0x000000ff) ^
710 rcon[i];
711 rk[ 9] = rk[ 1] ^ rk[ 8];
712 rk[10] = rk[ 2] ^ rk[ 9];
713 rk[11] = rk[ 3] ^ rk[10];
714 if (++i == 7) {
715 return 0;
716 }
717 temp = rk[11];
718 rk[12] = rk[ 4] ^
719 (Te2[(temp >> 24) ] & 0xff000000) ^
720 (Te3[(temp >> 16) & 0xff] & 0x00ff0000) ^
721 (Te0[(temp >> 8) & 0xff] & 0x0000ff00) ^
722 (Te1[(temp ) & 0xff] & 0x000000ff);
723 rk[13] = rk[ 5] ^ rk[12];
724 rk[14] = rk[ 6] ^ rk[13];
725 rk[15] = rk[ 7] ^ rk[14];
726
727 rk += 8;
728 }
729 }
730 return 0;
731 }
732
733 /**
734 * Expand the cipher key into the decryption key schedule.
735 */
rk_aes_set_decrypt_key(const unsigned char * userKey,const int bits,RK_AES_KEY * key)736 int rk_aes_set_decrypt_key(const unsigned char *userKey, const int bits,
737 RK_AES_KEY *key) {
738
739 u32 *rk;
740 int i, j, status;
741 u32 temp;
742
743 /* first, start with an encryption schedule */
744 status = rk_aes_set_encrypt_key(userKey, bits, key);
745 if (status < 0)
746 return status;
747
748 rk = key->rd_key;
749
750 /* invert the order of the round keys: */
751 for (i = 0, j = 4*(key->rounds); i < j; i += 4, j -= 4) {
752 temp = rk[i ]; rk[i ] = rk[j ]; rk[j ] = temp;
753 temp = rk[i + 1]; rk[i + 1] = rk[j + 1]; rk[j + 1] = temp;
754 temp = rk[i + 2]; rk[i + 2] = rk[j + 2]; rk[j + 2] = temp;
755 temp = rk[i + 3]; rk[i + 3] = rk[j + 3]; rk[j + 3] = temp;
756 }
757 /* apply the inverse MixColumn transform to all round keys but the first and the last: */
758 for (i = 1; i < (key->rounds); i++) {
759 rk += 4;
760 rk[0] =
761 Td0[Te1[(rk[0] >> 24) ] & 0xff] ^
762 Td1[Te1[(rk[0] >> 16) & 0xff] & 0xff] ^
763 Td2[Te1[(rk[0] >> 8) & 0xff] & 0xff] ^
764 Td3[Te1[(rk[0] ) & 0xff] & 0xff];
765 rk[1] =
766 Td0[Te1[(rk[1] >> 24) ] & 0xff] ^
767 Td1[Te1[(rk[1] >> 16) & 0xff] & 0xff] ^
768 Td2[Te1[(rk[1] >> 8) & 0xff] & 0xff] ^
769 Td3[Te1[(rk[1] ) & 0xff] & 0xff];
770 rk[2] =
771 Td0[Te1[(rk[2] >> 24) ] & 0xff] ^
772 Td1[Te1[(rk[2] >> 16) & 0xff] & 0xff] ^
773 Td2[Te1[(rk[2] >> 8) & 0xff] & 0xff] ^
774 Td3[Te1[(rk[2] ) & 0xff] & 0xff];
775 rk[3] =
776 Td0[Te1[(rk[3] >> 24) ] & 0xff] ^
777 Td1[Te1[(rk[3] >> 16) & 0xff] & 0xff] ^
778 Td2[Te1[(rk[3] >> 8) & 0xff] & 0xff] ^
779 Td3[Te1[(rk[3] ) & 0xff] & 0xff];
780 }
781 return 0;
782 }
783
784 /*
785 * Encrypt a single block
786 * in and out can overlap
787 */
rk_aes_encrypt(const unsigned char * in,unsigned char * out,const RK_AES_KEY * key)788 void rk_aes_encrypt(const unsigned char *in, unsigned char *out,
789 const RK_AES_KEY *key) {
790
791 const u32 *rk;
792 u32 s0, s1, s2, s3, t0, t1, t2, t3;
793 #ifndef FULL_UNROLL
794 int r;
795 #endif /* ?FULL_UNROLL */
796
797 assert(in && out && key);
798 rk = key->rd_key;
799
800 /*
801 * map byte array block to cipher state
802 * and add initial round key:
803 */
804 s0 = GETU32(in ) ^ rk[0];
805 s1 = GETU32(in + 4) ^ rk[1];
806 s2 = GETU32(in + 8) ^ rk[2];
807 s3 = GETU32(in + 12) ^ rk[3];
808 #ifdef FULL_UNROLL
809 /* round 1: */
810 t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[ 4];
811 t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[ 5];
812 t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[ 6];
813 t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[ 7];
814 /* round 2: */
815 s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[ 8];
816 s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[ 9];
817 s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[10];
818 s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[11];
819 /* round 3: */
820 t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[12];
821 t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[13];
822 t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[14];
823 t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[15];
824 /* round 4: */
825 s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[16];
826 s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[17];
827 s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[18];
828 s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[19];
829 /* round 5: */
830 t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[20];
831 t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[21];
832 t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[22];
833 t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[23];
834 /* round 6: */
835 s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[24];
836 s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[25];
837 s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[26];
838 s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[27];
839 /* round 7: */
840 t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[28];
841 t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[29];
842 t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[30];
843 t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[31];
844 /* round 8: */
845 s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[32];
846 s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[33];
847 s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[34];
848 s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[35];
849 /* round 9: */
850 t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[36];
851 t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[37];
852 t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[38];
853 t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[39];
854 if (key->rounds > 10) {
855 /* round 10: */
856 s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[40];
857 s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[41];
858 s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[42];
859 s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[43];
860 /* round 11: */
861 t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[44];
862 t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[45];
863 t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[46];
864 t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[47];
865 if (key->rounds > 12) {
866 /* round 12: */
867 s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[48];
868 s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[49];
869 s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[50];
870 s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[51];
871 /* round 13: */
872 t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[52];
873 t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[53];
874 t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[54];
875 t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[55];
876 }
877 }
878 rk += key->rounds << 2;
879 #else /* !FULL_UNROLL */
880 /*
881 * Nr - 1 full rounds:
882 */
883
884 r = key->rounds >> 1;
885 for (;;) {
886 t0 =
887 Te0[(s0 >> 24) ] ^
888 Te1[(s1 >> 16) & 0xff] ^
889 Te2[(s2 >> 8) & 0xff] ^
890 Te3[(s3 ) & 0xff] ^
891 rk[4];
892 t1 =
893 Te0[(s1 >> 24) ] ^
894 Te1[(s2 >> 16) & 0xff] ^
895 Te2[(s3 >> 8) & 0xff] ^
896 Te3[(s0 ) & 0xff] ^
897 rk[5];
898 t2 =
899 Te0[(s2 >> 24) ] ^
900 Te1[(s3 >> 16) & 0xff] ^
901 Te2[(s0 >> 8) & 0xff] ^
902 Te3[(s1 ) & 0xff] ^
903 rk[6];
904 t3 =
905 Te0[(s3 >> 24) ] ^
906 Te1[(s0 >> 16) & 0xff] ^
907 Te2[(s1 >> 8) & 0xff] ^
908 Te3[(s2 ) & 0xff] ^
909 rk[7];
910
911 rk += 8;
912 if (--r == 0) {
913 break;
914 }
915
916 s0 =
917 Te0[(t0 >> 24) ] ^
918 Te1[(t1 >> 16) & 0xff] ^
919 Te2[(t2 >> 8) & 0xff] ^
920 Te3[(t3 ) & 0xff] ^
921 rk[0];
922 s1 =
923 Te0[(t1 >> 24) ] ^
924 Te1[(t2 >> 16) & 0xff] ^
925 Te2[(t3 >> 8) & 0xff] ^
926 Te3[(t0 ) & 0xff] ^
927 rk[1];
928 s2 =
929 Te0[(t2 >> 24) ] ^
930 Te1[(t3 >> 16) & 0xff] ^
931 Te2[(t0 >> 8) & 0xff] ^
932 Te3[(t1 ) & 0xff] ^
933 rk[2];
934 s3 =
935 Te0[(t3 >> 24) ] ^
936 Te1[(t0 >> 16) & 0xff] ^
937 Te2[(t1 >> 8) & 0xff] ^
938 Te3[(t2 ) & 0xff] ^
939 rk[3];
940 }
941 #endif /* ?FULL_UNROLL */
942
943 /*
944 * apply last round and
945 * map cipher state to byte array block:
946 */
947 s0 =
948 (Te2[(t0 >> 24) ] & 0xff000000) ^
949 (Te3[(t1 >> 16) & 0xff] & 0x00ff0000) ^
950 (Te0[(t2 >> 8) & 0xff] & 0x0000ff00) ^
951 (Te1[(t3 ) & 0xff] & 0x000000ff) ^
952 rk[0];
953 PUTU32(out , s0);
954 s1 =
955 (Te2[(t1 >> 24) ] & 0xff000000) ^
956 (Te3[(t2 >> 16) & 0xff] & 0x00ff0000) ^
957 (Te0[(t3 >> 8) & 0xff] & 0x0000ff00) ^
958 (Te1[(t0 ) & 0xff] & 0x000000ff) ^
959 rk[1];
960 PUTU32(out + 4, s1);
961 s2 =
962 (Te2[(t2 >> 24) ] & 0xff000000) ^
963 (Te3[(t3 >> 16) & 0xff] & 0x00ff0000) ^
964 (Te0[(t0 >> 8) & 0xff] & 0x0000ff00) ^
965 (Te1[(t1 ) & 0xff] & 0x000000ff) ^
966 rk[2];
967 PUTU32(out + 8, s2);
968 s3 =
969 (Te2[(t3 >> 24) ] & 0xff000000) ^
970 (Te3[(t0 >> 16) & 0xff] & 0x00ff0000) ^
971 (Te0[(t1 >> 8) & 0xff] & 0x0000ff00) ^
972 (Te1[(t2 ) & 0xff] & 0x000000ff) ^
973 rk[3];
974 PUTU32(out + 12, s3);
975 }
976
977 /*
978 * Decrypt a single block
979 * in and out can overlap
980 */
rk_aes_decrypt(const unsigned char * in,unsigned char * out,const RK_AES_KEY * key)981 void rk_aes_decrypt(const unsigned char *in, unsigned char *out,
982 const RK_AES_KEY *key) {
983
984 const u32 *rk;
985 u32 s0, s1, s2, s3, t0, t1, t2, t3;
986 #ifndef FULL_UNROLL
987 int r;
988 #endif /* ?FULL_UNROLL */
989
990 assert(in && out && key);
991 rk = key->rd_key;
992
993 /*
994 * map byte array block to cipher state
995 * and add initial round key:
996 */
997 s0 = GETU32(in ) ^ rk[0];
998 s1 = GETU32(in + 4) ^ rk[1];
999 s2 = GETU32(in + 8) ^ rk[2];
1000 s3 = GETU32(in + 12) ^ rk[3];
1001 #ifdef FULL_UNROLL
1002 /* round 1: */
1003 t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[ 4];
1004 t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[ 5];
1005 t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[ 6];
1006 t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[ 7];
1007 /* round 2: */
1008 s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[ 8];
1009 s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[ 9];
1010 s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[10];
1011 s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[11];
1012 /* round 3: */
1013 t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[12];
1014 t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[13];
1015 t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[14];
1016 t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[15];
1017 /* round 4: */
1018 s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[16];
1019 s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[17];
1020 s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[18];
1021 s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[19];
1022 /* round 5: */
1023 t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[20];
1024 t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[21];
1025 t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[22];
1026 t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[23];
1027 /* round 6: */
1028 s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[24];
1029 s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[25];
1030 s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[26];
1031 s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[27];
1032 /* round 7: */
1033 t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[28];
1034 t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[29];
1035 t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[30];
1036 t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[31];
1037 /* round 8: */
1038 s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[32];
1039 s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[33];
1040 s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[34];
1041 s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[35];
1042 /* round 9: */
1043 t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[36];
1044 t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[37];
1045 t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[38];
1046 t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[39];
1047 if (key->rounds > 10) {
1048 /* round 10: */
1049 s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[40];
1050 s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[41];
1051 s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[42];
1052 s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[43];
1053 /* round 11: */
1054 t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[44];
1055 t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[45];
1056 t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[46];
1057 t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[47];
1058 if (key->rounds > 12) {
1059 /* round 12: */
1060 s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[48];
1061 s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[49];
1062 s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[50];
1063 s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[51];
1064 /* round 13: */
1065 t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[52];
1066 t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[53];
1067 t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[54];
1068 t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[55];
1069 }
1070 }
1071 rk += key->rounds << 2;
1072 #else /* !FULL_UNROLL */
1073 /*
1074 * Nr - 1 full rounds:
1075 */
1076 r = key->rounds >> 1;
1077 for (;;) {
1078 t0 =
1079 Td0[(s0 >> 24) ] ^
1080 Td1[(s3 >> 16) & 0xff] ^
1081 Td2[(s2 >> 8) & 0xff] ^
1082 Td3[(s1 ) & 0xff] ^
1083 rk[4];
1084 t1 =
1085 Td0[(s1 >> 24) ] ^
1086 Td1[(s0 >> 16) & 0xff] ^
1087 Td2[(s3 >> 8) & 0xff] ^
1088 Td3[(s2 ) & 0xff] ^
1089 rk[5];
1090 t2 =
1091 Td0[(s2 >> 24) ] ^
1092 Td1[(s1 >> 16) & 0xff] ^
1093 Td2[(s0 >> 8) & 0xff] ^
1094 Td3[(s3 ) & 0xff] ^
1095 rk[6];
1096 t3 =
1097 Td0[(s3 >> 24) ] ^
1098 Td1[(s2 >> 16) & 0xff] ^
1099 Td2[(s1 >> 8) & 0xff] ^
1100 Td3[(s0 ) & 0xff] ^
1101 rk[7];
1102
1103 rk += 8;
1104 if (--r == 0) {
1105 break;
1106 }
1107
1108 s0 =
1109 Td0[(t0 >> 24) ] ^
1110 Td1[(t3 >> 16) & 0xff] ^
1111 Td2[(t2 >> 8) & 0xff] ^
1112 Td3[(t1 ) & 0xff] ^
1113 rk[0];
1114 s1 =
1115 Td0[(t1 >> 24) ] ^
1116 Td1[(t0 >> 16) & 0xff] ^
1117 Td2[(t3 >> 8) & 0xff] ^
1118 Td3[(t2 ) & 0xff] ^
1119 rk[1];
1120 s2 =
1121 Td0[(t2 >> 24) ] ^
1122 Td1[(t1 >> 16) & 0xff] ^
1123 Td2[(t0 >> 8) & 0xff] ^
1124 Td3[(t3 ) & 0xff] ^
1125 rk[2];
1126 s3 =
1127 Td0[(t3 >> 24) ] ^
1128 Td1[(t2 >> 16) & 0xff] ^
1129 Td2[(t1 >> 8) & 0xff] ^
1130 Td3[(t0 ) & 0xff] ^
1131 rk[3];
1132 }
1133 #endif /* ?FULL_UNROLL */
1134 /*
1135 * apply last round and
1136 * map cipher state to byte array block:
1137 */
1138 s0 =
1139 (Td4[(t0 >> 24) ] << 24) ^
1140 (Td4[(t3 >> 16) & 0xff] << 16) ^
1141 (Td4[(t2 >> 8) & 0xff] << 8) ^
1142 (Td4[(t1 ) & 0xff]) ^
1143 rk[0];
1144 PUTU32(out , s0);
1145 s1 =
1146 (Td4[(t1 >> 24) ] << 24) ^
1147 (Td4[(t0 >> 16) & 0xff] << 16) ^
1148 (Td4[(t3 >> 8) & 0xff] << 8) ^
1149 (Td4[(t2 ) & 0xff]) ^
1150 rk[1];
1151 PUTU32(out + 4, s1);
1152 s2 =
1153 (Td4[(t2 >> 24) ] << 24) ^
1154 (Td4[(t1 >> 16) & 0xff] << 16) ^
1155 (Td4[(t0 >> 8) & 0xff] << 8) ^
1156 (Td4[(t3 ) & 0xff]) ^
1157 rk[2];
1158 PUTU32(out + 8, s2);
1159 s3 =
1160 (Td4[(t3 >> 24) ] << 24) ^
1161 (Td4[(t2 >> 16) & 0xff] << 16) ^
1162 (Td4[(t1 >> 8) & 0xff] << 8) ^
1163 (Td4[(t0 ) & 0xff]) ^
1164 rk[3];
1165 PUTU32(out + 12, s3);
1166 }
1167