1 /* $OpenBSD: aes_core.c,v 1.24 2024/08/11 13:02:39 jsing Exp $ */
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 /*
29 * Note: rewritten a little bit to provide error control and an OpenSSL-
30 * compatible API.
31 */
32
33 #include <stdlib.h>
34
35 #include <openssl/aes.h>
36
37 #include "aes_local.h"
38 #include "crypto_arch.h"
39 #include "crypto_internal.h"
40
41 /*
42 Te0[x] = S [x].[02, 01, 01, 03];
43 Te1[x] = S [x].[03, 02, 01, 01];
44 Te2[x] = S [x].[01, 03, 02, 01];
45 Te3[x] = S [x].[01, 01, 03, 02];
46
47 Td0[x] = Si[x].[0e, 09, 0d, 0b];
48 Td1[x] = Si[x].[0b, 0e, 09, 0d];
49 Td2[x] = Si[x].[0d, 0b, 0e, 09];
50 Td3[x] = Si[x].[09, 0d, 0b, 0e];
51 Td4[x] = Si[x].[01];
52 */
53
54 #if !defined(HAVE_AES_SET_ENCRYPT_KEY_INTERNAL) || \
55 !defined(HAVE_AES_SET_DECRYPT_KEY_INTERNAL) || \
56 !defined(HAVE_AES_ENCRYPT_INTERNAL) || \
57 !defined(HAVE_AES_DECRYPT_INTERNAL)
58 static const u32 Te0[256] = {
59 0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU,
60 0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U,
61 0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU,
62 0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU,
63 0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U,
64 0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU,
65 0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU,
66 0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU,
67 0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU,
68 0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU,
69 0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U,
70 0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU,
71 0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU,
72 0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U,
73 0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU,
74 0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU,
75 0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU,
76 0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU,
77 0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU,
78 0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U,
79 0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU,
80 0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU,
81 0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU,
82 0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU,
83 0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U,
84 0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U,
85 0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U,
86 0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U,
87 0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU,
88 0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U,
89 0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U,
90 0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU,
91 0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU,
92 0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U,
93 0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U,
94 0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U,
95 0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU,
96 0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U,
97 0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU,
98 0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U,
99 0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU,
100 0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U,
101 0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U,
102 0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU,
103 0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U,
104 0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U,
105 0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U,
106 0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U,
107 0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U,
108 0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U,
109 0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U,
110 0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U,
111 0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU,
112 0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U,
113 0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U,
114 0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U,
115 0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U,
116 0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U,
117 0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U,
118 0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU,
119 0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U,
120 0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U,
121 0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U,
122 0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU,
123 };
124 static const u32 Te1[256] = {
125 0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU,
126 0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U,
127 0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU,
128 0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U,
129 0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU,
130 0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U,
131 0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU,
132 0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U,
133 0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U,
134 0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU,
135 0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U,
136 0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U,
137 0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U,
138 0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU,
139 0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U,
140 0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U,
141 0x1b120909U, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU,
142 0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U,
143 0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U,
144 0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U,
145 0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU,
146 0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU,
147 0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U,
148 0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU,
149 0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU,
150 0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U,
151 0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU,
152 0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U,
153 0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, 0x8a058f8fU,
154 0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U,
155 0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U,
156 0x30201010U, 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U,
157 0x4c81cdcdU, 0x14180c0cU, 0x35261313U, 0x2fc3ececU,
158 0xe1be5f5fU, 0xa2359797U, 0xcc884444U, 0x392e1717U,
159 0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU,
160 0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U,
161 0xa0c06060U, 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU,
162 0x66442222U, 0x7e542a2aU, 0xab3b9090U, 0x830b8888U,
163 0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, 0x3c281414U,
164 0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU,
165 0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU,
166 0xdb924949U, 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU,
167 0x5d9fc2c2U, 0x6ebdd3d3U, 0xef43acacU, 0xa6c46262U,
168 0xa8399191U, 0xa4319595U, 0x37d3e4e4U, 0x8bf27979U,
169 0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU,
170 0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U,
171 0xb4d86c6cU, 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU,
172 0xafca6565U, 0x8ef47a7aU, 0xe947aeaeU, 0x18100808U,
173 0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, 0x725c2e2eU,
174 0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U,
175 0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU,
176 0xdd964b4bU, 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU,
177 0x90e07070U, 0x427c3e3eU, 0xc471b5b5U, 0xaacc6666U,
178 0xd8904848U, 0x05060303U, 0x01f7f6f6U, 0x121c0e0eU,
179 0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U,
180 0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU,
181 0x38d9e1e1U, 0x13ebf8f8U, 0xb32b9898U, 0x33221111U,
182 0xbbd26969U, 0x70a9d9d9U, 0x89078e8eU, 0xa7339494U,
183 0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, 0x20c9e9e9U,
184 0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU,
185 0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU,
186 0xda65bfbfU, 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U,
187 0xc3824141U, 0xb0299999U, 0x775a2d2dU, 0x111e0f0fU,
188 0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, 0x3a2c1616U,
189 };
190 static const u32 Te2[256] = {
191 0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU,
192 0xf20dfff2U, 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U,
193 0x30506030U, 0x01030201U, 0x67a9ce67U, 0x2b7d562bU,
194 0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, 0x769aec76U,
195 0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU,
196 0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U,
197 0xadec41adU, 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU,
198 0x9cbf239cU, 0xa4f753a4U, 0x7296e472U, 0xc05b9bc0U,
199 0xb7c275b7U, 0xfd1ce1fdU, 0x93ae3d93U, 0x266a4c26U,
200 0x365a6c36U, 0x3f417e3fU, 0xf702f5f7U, 0xcc4f83ccU,
201 0x345c6834U, 0xa5f451a5U, 0xe534d1e5U, 0xf108f9f1U,
202 0x7193e271U, 0xd873abd8U, 0x31536231U, 0x153f2a15U,
203 0x040c0804U, 0xc75295c7U, 0x23654623U, 0xc35e9dc3U,
204 0x18283018U, 0x96a13796U, 0x050f0a05U, 0x9ab52f9aU,
205 0x07090e07U, 0x12362412U, 0x809b1b80U, 0xe23ddfe2U,
206 0xeb26cdebU, 0x27694e27U, 0xb2cd7fb2U, 0x759fea75U,
207 0x091b1209U, 0x839e1d83U, 0x2c74582cU, 0x1a2e341aU,
208 0x1b2d361bU, 0x6eb2dc6eU, 0x5aeeb45aU, 0xa0fb5ba0U,
209 0x52f6a452U, 0x3b4d763bU, 0xd661b7d6U, 0xb3ce7db3U,
210 0x297b5229U, 0xe33edde3U, 0x2f715e2fU, 0x84971384U,
211 0x53f5a653U, 0xd168b9d1U, 0x00000000U, 0xed2cc1edU,
212 0x20604020U, 0xfc1fe3fcU, 0xb1c879b1U, 0x5bedb65bU,
213 0x6abed46aU, 0xcb468dcbU, 0xbed967beU, 0x394b7239U,
214 0x4ade944aU, 0x4cd4984cU, 0x58e8b058U, 0xcf4a85cfU,
215 0xd06bbbd0U, 0xef2ac5efU, 0xaae54faaU, 0xfb16edfbU,
216 0x43c58643U, 0x4dd79a4dU, 0x33556633U, 0x85941185U,
217 0x45cf8a45U, 0xf910e9f9U, 0x02060402U, 0x7f81fe7fU,
218 0x50f0a050U, 0x3c44783cU, 0x9fba259fU, 0xa8e34ba8U,
219 0x51f3a251U, 0xa3fe5da3U, 0x40c08040U, 0x8f8a058fU,
220 0x92ad3f92U, 0x9dbc219dU, 0x38487038U, 0xf504f1f5U,
221 0xbcdf63bcU, 0xb6c177b6U, 0xda75afdaU, 0x21634221U,
222 0x10302010U, 0xff1ae5ffU, 0xf30efdf3U, 0xd26dbfd2U,
223 0xcd4c81cdU, 0x0c14180cU, 0x13352613U, 0xec2fc3ecU,
224 0x5fe1be5fU, 0x97a23597U, 0x44cc8844U, 0x17392e17U,
225 0xc45793c4U, 0xa7f255a7U, 0x7e82fc7eU, 0x3d477a3dU,
226 0x64acc864U, 0x5de7ba5dU, 0x192b3219U, 0x7395e673U,
227 0x60a0c060U, 0x81981981U, 0x4fd19e4fU, 0xdc7fa3dcU,
228 0x22664422U, 0x2a7e542aU, 0x90ab3b90U, 0x88830b88U,
229 0x46ca8c46U, 0xee29c7eeU, 0xb8d36bb8U, 0x143c2814U,
230 0xde79a7deU, 0x5ee2bc5eU, 0x0b1d160bU, 0xdb76addbU,
231 0xe03bdbe0U, 0x32566432U, 0x3a4e743aU, 0x0a1e140aU,
232 0x49db9249U, 0x060a0c06U, 0x246c4824U, 0x5ce4b85cU,
233 0xc25d9fc2U, 0xd36ebdd3U, 0xacef43acU, 0x62a6c462U,
234 0x91a83991U, 0x95a43195U, 0xe437d3e4U, 0x798bf279U,
235 0xe732d5e7U, 0xc8438bc8U, 0x37596e37U, 0x6db7da6dU,
236 0x8d8c018dU, 0xd564b1d5U, 0x4ed29c4eU, 0xa9e049a9U,
237 0x6cb4d86cU, 0x56faac56U, 0xf407f3f4U, 0xea25cfeaU,
238 0x65afca65U, 0x7a8ef47aU, 0xaee947aeU, 0x08181008U,
239 0xbad56fbaU, 0x7888f078U, 0x256f4a25U, 0x2e725c2eU,
240 0x1c24381cU, 0xa6f157a6U, 0xb4c773b4U, 0xc65197c6U,
241 0xe823cbe8U, 0xdd7ca1ddU, 0x749ce874U, 0x1f213e1fU,
242 0x4bdd964bU, 0xbddc61bdU, 0x8b860d8bU, 0x8a850f8aU,
243 0x7090e070U, 0x3e427c3eU, 0xb5c471b5U, 0x66aacc66U,
244 0x48d89048U, 0x03050603U, 0xf601f7f6U, 0x0e121c0eU,
245 0x61a3c261U, 0x355f6a35U, 0x57f9ae57U, 0xb9d069b9U,
246 0x86911786U, 0xc15899c1U, 0x1d273a1dU, 0x9eb9279eU,
247 0xe138d9e1U, 0xf813ebf8U, 0x98b32b98U, 0x11332211U,
248 0x69bbd269U, 0xd970a9d9U, 0x8e89078eU, 0x94a73394U,
249 0x9bb62d9bU, 0x1e223c1eU, 0x87921587U, 0xe920c9e9U,
250 0xce4987ceU, 0x55ffaa55U, 0x28785028U, 0xdf7aa5dfU,
251 0x8c8f038cU, 0xa1f859a1U, 0x89800989U, 0x0d171a0dU,
252 0xbfda65bfU, 0xe631d7e6U, 0x42c68442U, 0x68b8d068U,
253 0x41c38241U, 0x99b02999U, 0x2d775a2dU, 0x0f111e0fU,
254 0xb0cb7bb0U, 0x54fca854U, 0xbbd66dbbU, 0x163a2c16U,
255 };
256 static const u32 Te3[256] = {
257 0x6363a5c6U, 0x7c7c84f8U, 0x777799eeU, 0x7b7b8df6U,
258 0xf2f20dffU, 0x6b6bbdd6U, 0x6f6fb1deU, 0xc5c55491U,
259 0x30305060U, 0x01010302U, 0x6767a9ceU, 0x2b2b7d56U,
260 0xfefe19e7U, 0xd7d762b5U, 0xababe64dU, 0x76769aecU,
261 0xcaca458fU, 0x82829d1fU, 0xc9c94089U, 0x7d7d87faU,
262 0xfafa15efU, 0x5959ebb2U, 0x4747c98eU, 0xf0f00bfbU,
263 0xadadec41U, 0xd4d467b3U, 0xa2a2fd5fU, 0xafafea45U,
264 0x9c9cbf23U, 0xa4a4f753U, 0x727296e4U, 0xc0c05b9bU,
265 0xb7b7c275U, 0xfdfd1ce1U, 0x9393ae3dU, 0x26266a4cU,
266 0x36365a6cU, 0x3f3f417eU, 0xf7f702f5U, 0xcccc4f83U,
267 0x34345c68U, 0xa5a5f451U, 0xe5e534d1U, 0xf1f108f9U,
268 0x717193e2U, 0xd8d873abU, 0x31315362U, 0x15153f2aU,
269 0x04040c08U, 0xc7c75295U, 0x23236546U, 0xc3c35e9dU,
270 0x18182830U, 0x9696a137U, 0x05050f0aU, 0x9a9ab52fU,
271 0x0707090eU, 0x12123624U, 0x80809b1bU, 0xe2e23ddfU,
272 0xebeb26cdU, 0x2727694eU, 0xb2b2cd7fU, 0x75759feaU,
273 0x09091b12U, 0x83839e1dU, 0x2c2c7458U, 0x1a1a2e34U,
274 0x1b1b2d36U, 0x6e6eb2dcU, 0x5a5aeeb4U, 0xa0a0fb5bU,
275 0x5252f6a4U, 0x3b3b4d76U, 0xd6d661b7U, 0xb3b3ce7dU,
276 0x29297b52U, 0xe3e33eddU, 0x2f2f715eU, 0x84849713U,
277 0x5353f5a6U, 0xd1d168b9U, 0x00000000U, 0xeded2cc1U,
278 0x20206040U, 0xfcfc1fe3U, 0xb1b1c879U, 0x5b5bedb6U,
279 0x6a6abed4U, 0xcbcb468dU, 0xbebed967U, 0x39394b72U,
280 0x4a4ade94U, 0x4c4cd498U, 0x5858e8b0U, 0xcfcf4a85U,
281 0xd0d06bbbU, 0xefef2ac5U, 0xaaaae54fU, 0xfbfb16edU,
282 0x4343c586U, 0x4d4dd79aU, 0x33335566U, 0x85859411U,
283 0x4545cf8aU, 0xf9f910e9U, 0x02020604U, 0x7f7f81feU,
284 0x5050f0a0U, 0x3c3c4478U, 0x9f9fba25U, 0xa8a8e34bU,
285 0x5151f3a2U, 0xa3a3fe5dU, 0x4040c080U, 0x8f8f8a05U,
286 0x9292ad3fU, 0x9d9dbc21U, 0x38384870U, 0xf5f504f1U,
287 0xbcbcdf63U, 0xb6b6c177U, 0xdada75afU, 0x21216342U,
288 0x10103020U, 0xffff1ae5U, 0xf3f30efdU, 0xd2d26dbfU,
289 0xcdcd4c81U, 0x0c0c1418U, 0x13133526U, 0xecec2fc3U,
290 0x5f5fe1beU, 0x9797a235U, 0x4444cc88U, 0x1717392eU,
291 0xc4c45793U, 0xa7a7f255U, 0x7e7e82fcU, 0x3d3d477aU,
292 0x6464acc8U, 0x5d5de7baU, 0x19192b32U, 0x737395e6U,
293 0x6060a0c0U, 0x81819819U, 0x4f4fd19eU, 0xdcdc7fa3U,
294 0x22226644U, 0x2a2a7e54U, 0x9090ab3bU, 0x8888830bU,
295 0x4646ca8cU, 0xeeee29c7U, 0xb8b8d36bU, 0x14143c28U,
296 0xdede79a7U, 0x5e5ee2bcU, 0x0b0b1d16U, 0xdbdb76adU,
297 0xe0e03bdbU, 0x32325664U, 0x3a3a4e74U, 0x0a0a1e14U,
298 0x4949db92U, 0x06060a0cU, 0x24246c48U, 0x5c5ce4b8U,
299 0xc2c25d9fU, 0xd3d36ebdU, 0xacacef43U, 0x6262a6c4U,
300 0x9191a839U, 0x9595a431U, 0xe4e437d3U, 0x79798bf2U,
301 0xe7e732d5U, 0xc8c8438bU, 0x3737596eU, 0x6d6db7daU,
302 0x8d8d8c01U, 0xd5d564b1U, 0x4e4ed29cU, 0xa9a9e049U,
303 0x6c6cb4d8U, 0x5656faacU, 0xf4f407f3U, 0xeaea25cfU,
304 0x6565afcaU, 0x7a7a8ef4U, 0xaeaee947U, 0x08081810U,
305 0xbabad56fU, 0x787888f0U, 0x25256f4aU, 0x2e2e725cU,
306 0x1c1c2438U, 0xa6a6f157U, 0xb4b4c773U, 0xc6c65197U,
307 0xe8e823cbU, 0xdddd7ca1U, 0x74749ce8U, 0x1f1f213eU,
308 0x4b4bdd96U, 0xbdbddc61U, 0x8b8b860dU, 0x8a8a850fU,
309 0x707090e0U, 0x3e3e427cU, 0xb5b5c471U, 0x6666aaccU,
310 0x4848d890U, 0x03030506U, 0xf6f601f7U, 0x0e0e121cU,
311 0x6161a3c2U, 0x35355f6aU, 0x5757f9aeU, 0xb9b9d069U,
312 0x86869117U, 0xc1c15899U, 0x1d1d273aU, 0x9e9eb927U,
313 0xe1e138d9U, 0xf8f813ebU, 0x9898b32bU, 0x11113322U,
314 0x6969bbd2U, 0xd9d970a9U, 0x8e8e8907U, 0x9494a733U,
315 0x9b9bb62dU, 0x1e1e223cU, 0x87879215U, 0xe9e920c9U,
316 0xcece4987U, 0x5555ffaaU, 0x28287850U, 0xdfdf7aa5U,
317 0x8c8c8f03U, 0xa1a1f859U, 0x89898009U, 0x0d0d171aU,
318 0xbfbfda65U, 0xe6e631d7U, 0x4242c684U, 0x6868b8d0U,
319 0x4141c382U, 0x9999b029U, 0x2d2d775aU, 0x0f0f111eU,
320 0xb0b0cb7bU, 0x5454fca8U, 0xbbbbd66dU, 0x16163a2cU,
321 };
322
323 static const u32 Td0[256] = {
324 0x51f4a750U, 0x7e416553U, 0x1a17a4c3U, 0x3a275e96U,
325 0x3bab6bcbU, 0x1f9d45f1U, 0xacfa58abU, 0x4be30393U,
326 0x2030fa55U, 0xad766df6U, 0x88cc7691U, 0xf5024c25U,
327 0x4fe5d7fcU, 0xc52acbd7U, 0x26354480U, 0xb562a38fU,
328 0xdeb15a49U, 0x25ba1b67U, 0x45ea0e98U, 0x5dfec0e1U,
329 0xc32f7502U, 0x814cf012U, 0x8d4697a3U, 0x6bd3f9c6U,
330 0x038f5fe7U, 0x15929c95U, 0xbf6d7aebU, 0x955259daU,
331 0xd4be832dU, 0x587421d3U, 0x49e06929U, 0x8ec9c844U,
332 0x75c2896aU, 0xf48e7978U, 0x99583e6bU, 0x27b971ddU,
333 0xbee14fb6U, 0xf088ad17U, 0xc920ac66U, 0x7dce3ab4U,
334 0x63df4a18U, 0xe51a3182U, 0x97513360U, 0x62537f45U,
335 0xb16477e0U, 0xbb6bae84U, 0xfe81a01cU, 0xf9082b94U,
336 0x70486858U, 0x8f45fd19U, 0x94de6c87U, 0x527bf8b7U,
337 0xab73d323U, 0x724b02e2U, 0xe31f8f57U, 0x6655ab2aU,
338 0xb2eb2807U, 0x2fb5c203U, 0x86c57b9aU, 0xd33708a5U,
339 0x302887f2U, 0x23bfa5b2U, 0x02036abaU, 0xed16825cU,
340 0x8acf1c2bU, 0xa779b492U, 0xf307f2f0U, 0x4e69e2a1U,
341 0x65daf4cdU, 0x0605bed5U, 0xd134621fU, 0xc4a6fe8aU,
342 0x342e539dU, 0xa2f355a0U, 0x058ae132U, 0xa4f6eb75U,
343 0x0b83ec39U, 0x4060efaaU, 0x5e719f06U, 0xbd6e1051U,
344 0x3e218af9U, 0x96dd063dU, 0xdd3e05aeU, 0x4de6bd46U,
345 0x91548db5U, 0x71c45d05U, 0x0406d46fU, 0x605015ffU,
346 0x1998fb24U, 0xd6bde997U, 0x894043ccU, 0x67d99e77U,
347 0xb0e842bdU, 0x07898b88U, 0xe7195b38U, 0x79c8eedbU,
348 0xa17c0a47U, 0x7c420fe9U, 0xf8841ec9U, 0x00000000U,
349 0x09808683U, 0x322bed48U, 0x1e1170acU, 0x6c5a724eU,
350 0xfd0efffbU, 0x0f853856U, 0x3daed51eU, 0x362d3927U,
351 0x0a0fd964U, 0x685ca621U, 0x9b5b54d1U, 0x24362e3aU,
352 0x0c0a67b1U, 0x9357e70fU, 0xb4ee96d2U, 0x1b9b919eU,
353 0x80c0c54fU, 0x61dc20a2U, 0x5a774b69U, 0x1c121a16U,
354 0xe293ba0aU, 0xc0a02ae5U, 0x3c22e043U, 0x121b171dU,
355 0x0e090d0bU, 0xf28bc7adU, 0x2db6a8b9U, 0x141ea9c8U,
356 0x57f11985U, 0xaf75074cU, 0xee99ddbbU, 0xa37f60fdU,
357 0xf701269fU, 0x5c72f5bcU, 0x44663bc5U, 0x5bfb7e34U,
358 0x8b432976U, 0xcb23c6dcU, 0xb6edfc68U, 0xb8e4f163U,
359 0xd731dccaU, 0x42638510U, 0x13972240U, 0x84c61120U,
360 0x854a247dU, 0xd2bb3df8U, 0xaef93211U, 0xc729a16dU,
361 0x1d9e2f4bU, 0xdcb230f3U, 0x0d8652ecU, 0x77c1e3d0U,
362 0x2bb3166cU, 0xa970b999U, 0x119448faU, 0x47e96422U,
363 0xa8fc8cc4U, 0xa0f03f1aU, 0x567d2cd8U, 0x223390efU,
364 0x87494ec7U, 0xd938d1c1U, 0x8ccaa2feU, 0x98d40b36U,
365 0xa6f581cfU, 0xa57ade28U, 0xdab78e26U, 0x3fadbfa4U,
366 0x2c3a9de4U, 0x5078920dU, 0x6a5fcc9bU, 0x547e4662U,
367 0xf68d13c2U, 0x90d8b8e8U, 0x2e39f75eU, 0x82c3aff5U,
368 0x9f5d80beU, 0x69d0937cU, 0x6fd52da9U, 0xcf2512b3U,
369 0xc8ac993bU, 0x10187da7U, 0xe89c636eU, 0xdb3bbb7bU,
370 0xcd267809U, 0x6e5918f4U, 0xec9ab701U, 0x834f9aa8U,
371 0xe6956e65U, 0xaaffe67eU, 0x21bccf08U, 0xef15e8e6U,
372 0xbae79bd9U, 0x4a6f36ceU, 0xea9f09d4U, 0x29b07cd6U,
373 0x31a4b2afU, 0x2a3f2331U, 0xc6a59430U, 0x35a266c0U,
374 0x744ebc37U, 0xfc82caa6U, 0xe090d0b0U, 0x33a7d815U,
375 0xf104984aU, 0x41ecdaf7U, 0x7fcd500eU, 0x1791f62fU,
376 0x764dd68dU, 0x43efb04dU, 0xccaa4d54U, 0xe49604dfU,
377 0x9ed1b5e3U, 0x4c6a881bU, 0xc12c1fb8U, 0x4665517fU,
378 0x9d5eea04U, 0x018c355dU, 0xfa877473U, 0xfb0b412eU,
379 0xb3671d5aU, 0x92dbd252U, 0xe9105633U, 0x6dd64713U,
380 0x9ad7618cU, 0x37a10c7aU, 0x59f8148eU, 0xeb133c89U,
381 0xcea927eeU, 0xb761c935U, 0xe11ce5edU, 0x7a47b13cU,
382 0x9cd2df59U, 0x55f2733fU, 0x1814ce79U, 0x73c737bfU,
383 0x53f7cdeaU, 0x5ffdaa5bU, 0xdf3d6f14U, 0x7844db86U,
384 0xcaaff381U, 0xb968c43eU, 0x3824342cU, 0xc2a3405fU,
385 0x161dc372U, 0xbce2250cU, 0x283c498bU, 0xff0d9541U,
386 0x39a80171U, 0x080cb3deU, 0xd8b4e49cU, 0x6456c190U,
387 0x7bcb8461U, 0xd532b670U, 0x486c5c74U, 0xd0b85742U,
388 };
389 static const u32 Td1[256] = {
390 0x5051f4a7U, 0x537e4165U, 0xc31a17a4U, 0x963a275eU,
391 0xcb3bab6bU, 0xf11f9d45U, 0xabacfa58U, 0x934be303U,
392 0x552030faU, 0xf6ad766dU, 0x9188cc76U, 0x25f5024cU,
393 0xfc4fe5d7U, 0xd7c52acbU, 0x80263544U, 0x8fb562a3U,
394 0x49deb15aU, 0x6725ba1bU, 0x9845ea0eU, 0xe15dfec0U,
395 0x02c32f75U, 0x12814cf0U, 0xa38d4697U, 0xc66bd3f9U,
396 0xe7038f5fU, 0x9515929cU, 0xebbf6d7aU, 0xda955259U,
397 0x2dd4be83U, 0xd3587421U, 0x2949e069U, 0x448ec9c8U,
398 0x6a75c289U, 0x78f48e79U, 0x6b99583eU, 0xdd27b971U,
399 0xb6bee14fU, 0x17f088adU, 0x66c920acU, 0xb47dce3aU,
400 0x1863df4aU, 0x82e51a31U, 0x60975133U, 0x4562537fU,
401 0xe0b16477U, 0x84bb6baeU, 0x1cfe81a0U, 0x94f9082bU,
402 0x58704868U, 0x198f45fdU, 0x8794de6cU, 0xb7527bf8U,
403 0x23ab73d3U, 0xe2724b02U, 0x57e31f8fU, 0x2a6655abU,
404 0x07b2eb28U, 0x032fb5c2U, 0x9a86c57bU, 0xa5d33708U,
405 0xf2302887U, 0xb223bfa5U, 0xba02036aU, 0x5ced1682U,
406 0x2b8acf1cU, 0x92a779b4U, 0xf0f307f2U, 0xa14e69e2U,
407 0xcd65daf4U, 0xd50605beU, 0x1fd13462U, 0x8ac4a6feU,
408 0x9d342e53U, 0xa0a2f355U, 0x32058ae1U, 0x75a4f6ebU,
409 0x390b83ecU, 0xaa4060efU, 0x065e719fU, 0x51bd6e10U,
410 0xf93e218aU, 0x3d96dd06U, 0xaedd3e05U, 0x464de6bdU,
411 0xb591548dU, 0x0571c45dU, 0x6f0406d4U, 0xff605015U,
412 0x241998fbU, 0x97d6bde9U, 0xcc894043U, 0x7767d99eU,
413 0xbdb0e842U, 0x8807898bU, 0x38e7195bU, 0xdb79c8eeU,
414 0x47a17c0aU, 0xe97c420fU, 0xc9f8841eU, 0x00000000U,
415 0x83098086U, 0x48322bedU, 0xac1e1170U, 0x4e6c5a72U,
416 0xfbfd0effU, 0x560f8538U, 0x1e3daed5U, 0x27362d39U,
417 0x640a0fd9U, 0x21685ca6U, 0xd19b5b54U, 0x3a24362eU,
418 0xb10c0a67U, 0x0f9357e7U, 0xd2b4ee96U, 0x9e1b9b91U,
419 0x4f80c0c5U, 0xa261dc20U, 0x695a774bU, 0x161c121aU,
420 0x0ae293baU, 0xe5c0a02aU, 0x433c22e0U, 0x1d121b17U,
421 0x0b0e090dU, 0xadf28bc7U, 0xb92db6a8U, 0xc8141ea9U,
422 0x8557f119U, 0x4caf7507U, 0xbbee99ddU, 0xfda37f60U,
423 0x9ff70126U, 0xbc5c72f5U, 0xc544663bU, 0x345bfb7eU,
424 0x768b4329U, 0xdccb23c6U, 0x68b6edfcU, 0x63b8e4f1U,
425 0xcad731dcU, 0x10426385U, 0x40139722U, 0x2084c611U,
426 0x7d854a24U, 0xf8d2bb3dU, 0x11aef932U, 0x6dc729a1U,
427 0x4b1d9e2fU, 0xf3dcb230U, 0xec0d8652U, 0xd077c1e3U,
428 0x6c2bb316U, 0x99a970b9U, 0xfa119448U, 0x2247e964U,
429 0xc4a8fc8cU, 0x1aa0f03fU, 0xd8567d2cU, 0xef223390U,
430 0xc787494eU, 0xc1d938d1U, 0xfe8ccaa2U, 0x3698d40bU,
431 0xcfa6f581U, 0x28a57adeU, 0x26dab78eU, 0xa43fadbfU,
432 0xe42c3a9dU, 0x0d507892U, 0x9b6a5fccU, 0x62547e46U,
433 0xc2f68d13U, 0xe890d8b8U, 0x5e2e39f7U, 0xf582c3afU,
434 0xbe9f5d80U, 0x7c69d093U, 0xa96fd52dU, 0xb3cf2512U,
435 0x3bc8ac99U, 0xa710187dU, 0x6ee89c63U, 0x7bdb3bbbU,
436 0x09cd2678U, 0xf46e5918U, 0x01ec9ab7U, 0xa8834f9aU,
437 0x65e6956eU, 0x7eaaffe6U, 0x0821bccfU, 0xe6ef15e8U,
438 0xd9bae79bU, 0xce4a6f36U, 0xd4ea9f09U, 0xd629b07cU,
439 0xaf31a4b2U, 0x312a3f23U, 0x30c6a594U, 0xc035a266U,
440 0x37744ebcU, 0xa6fc82caU, 0xb0e090d0U, 0x1533a7d8U,
441 0x4af10498U, 0xf741ecdaU, 0x0e7fcd50U, 0x2f1791f6U,
442 0x8d764dd6U, 0x4d43efb0U, 0x54ccaa4dU, 0xdfe49604U,
443 0xe39ed1b5U, 0x1b4c6a88U, 0xb8c12c1fU, 0x7f466551U,
444 0x049d5eeaU, 0x5d018c35U, 0x73fa8774U, 0x2efb0b41U,
445 0x5ab3671dU, 0x5292dbd2U, 0x33e91056U, 0x136dd647U,
446 0x8c9ad761U, 0x7a37a10cU, 0x8e59f814U, 0x89eb133cU,
447 0xeecea927U, 0x35b761c9U, 0xede11ce5U, 0x3c7a47b1U,
448 0x599cd2dfU, 0x3f55f273U, 0x791814ceU, 0xbf73c737U,
449 0xea53f7cdU, 0x5b5ffdaaU, 0x14df3d6fU, 0x867844dbU,
450 0x81caaff3U, 0x3eb968c4U, 0x2c382434U, 0x5fc2a340U,
451 0x72161dc3U, 0x0cbce225U, 0x8b283c49U, 0x41ff0d95U,
452 0x7139a801U, 0xde080cb3U, 0x9cd8b4e4U, 0x906456c1U,
453 0x617bcb84U, 0x70d532b6U, 0x74486c5cU, 0x42d0b857U,
454 };
455 static const u32 Td2[256] = {
456 0xa75051f4U, 0x65537e41U, 0xa4c31a17U, 0x5e963a27U,
457 0x6bcb3babU, 0x45f11f9dU, 0x58abacfaU, 0x03934be3U,
458 0xfa552030U, 0x6df6ad76U, 0x769188ccU, 0x4c25f502U,
459 0xd7fc4fe5U, 0xcbd7c52aU, 0x44802635U, 0xa38fb562U,
460 0x5a49deb1U, 0x1b6725baU, 0x0e9845eaU, 0xc0e15dfeU,
461 0x7502c32fU, 0xf012814cU, 0x97a38d46U, 0xf9c66bd3U,
462 0x5fe7038fU, 0x9c951592U, 0x7aebbf6dU, 0x59da9552U,
463 0x832dd4beU, 0x21d35874U, 0x692949e0U, 0xc8448ec9U,
464 0x896a75c2U, 0x7978f48eU, 0x3e6b9958U, 0x71dd27b9U,
465 0x4fb6bee1U, 0xad17f088U, 0xac66c920U, 0x3ab47dceU,
466 0x4a1863dfU, 0x3182e51aU, 0x33609751U, 0x7f456253U,
467 0x77e0b164U, 0xae84bb6bU, 0xa01cfe81U, 0x2b94f908U,
468 0x68587048U, 0xfd198f45U, 0x6c8794deU, 0xf8b7527bU,
469 0xd323ab73U, 0x02e2724bU, 0x8f57e31fU, 0xab2a6655U,
470 0x2807b2ebU, 0xc2032fb5U, 0x7b9a86c5U, 0x08a5d337U,
471 0x87f23028U, 0xa5b223bfU, 0x6aba0203U, 0x825ced16U,
472 0x1c2b8acfU, 0xb492a779U, 0xf2f0f307U, 0xe2a14e69U,
473 0xf4cd65daU, 0xbed50605U, 0x621fd134U, 0xfe8ac4a6U,
474 0x539d342eU, 0x55a0a2f3U, 0xe132058aU, 0xeb75a4f6U,
475 0xec390b83U, 0xefaa4060U, 0x9f065e71U, 0x1051bd6eU,
476 0x8af93e21U, 0x063d96ddU, 0x05aedd3eU, 0xbd464de6U,
477 0x8db59154U, 0x5d0571c4U, 0xd46f0406U, 0x15ff6050U,
478 0xfb241998U, 0xe997d6bdU, 0x43cc8940U, 0x9e7767d9U,
479 0x42bdb0e8U, 0x8b880789U, 0x5b38e719U, 0xeedb79c8U,
480 0x0a47a17cU, 0x0fe97c42U, 0x1ec9f884U, 0x00000000U,
481 0x86830980U, 0xed48322bU, 0x70ac1e11U, 0x724e6c5aU,
482 0xfffbfd0eU, 0x38560f85U, 0xd51e3daeU, 0x3927362dU,
483 0xd9640a0fU, 0xa621685cU, 0x54d19b5bU, 0x2e3a2436U,
484 0x67b10c0aU, 0xe70f9357U, 0x96d2b4eeU, 0x919e1b9bU,
485 0xc54f80c0U, 0x20a261dcU, 0x4b695a77U, 0x1a161c12U,
486 0xba0ae293U, 0x2ae5c0a0U, 0xe0433c22U, 0x171d121bU,
487 0x0d0b0e09U, 0xc7adf28bU, 0xa8b92db6U, 0xa9c8141eU,
488 0x198557f1U, 0x074caf75U, 0xddbbee99U, 0x60fda37fU,
489 0x269ff701U, 0xf5bc5c72U, 0x3bc54466U, 0x7e345bfbU,
490 0x29768b43U, 0xc6dccb23U, 0xfc68b6edU, 0xf163b8e4U,
491 0xdccad731U, 0x85104263U, 0x22401397U, 0x112084c6U,
492 0x247d854aU, 0x3df8d2bbU, 0x3211aef9U, 0xa16dc729U,
493 0x2f4b1d9eU, 0x30f3dcb2U, 0x52ec0d86U, 0xe3d077c1U,
494 0x166c2bb3U, 0xb999a970U, 0x48fa1194U, 0x642247e9U,
495 0x8cc4a8fcU, 0x3f1aa0f0U, 0x2cd8567dU, 0x90ef2233U,
496 0x4ec78749U, 0xd1c1d938U, 0xa2fe8ccaU, 0x0b3698d4U,
497 0x81cfa6f5U, 0xde28a57aU, 0x8e26dab7U, 0xbfa43fadU,
498 0x9de42c3aU, 0x920d5078U, 0xcc9b6a5fU, 0x4662547eU,
499 0x13c2f68dU, 0xb8e890d8U, 0xf75e2e39U, 0xaff582c3U,
500 0x80be9f5dU, 0x937c69d0U, 0x2da96fd5U, 0x12b3cf25U,
501 0x993bc8acU, 0x7da71018U, 0x636ee89cU, 0xbb7bdb3bU,
502 0x7809cd26U, 0x18f46e59U, 0xb701ec9aU, 0x9aa8834fU,
503 0x6e65e695U, 0xe67eaaffU, 0xcf0821bcU, 0xe8e6ef15U,
504 0x9bd9bae7U, 0x36ce4a6fU, 0x09d4ea9fU, 0x7cd629b0U,
505 0xb2af31a4U, 0x23312a3fU, 0x9430c6a5U, 0x66c035a2U,
506 0xbc37744eU, 0xcaa6fc82U, 0xd0b0e090U, 0xd81533a7U,
507 0x984af104U, 0xdaf741ecU, 0x500e7fcdU, 0xf62f1791U,
508 0xd68d764dU, 0xb04d43efU, 0x4d54ccaaU, 0x04dfe496U,
509 0xb5e39ed1U, 0x881b4c6aU, 0x1fb8c12cU, 0x517f4665U,
510 0xea049d5eU, 0x355d018cU, 0x7473fa87U, 0x412efb0bU,
511 0x1d5ab367U, 0xd25292dbU, 0x5633e910U, 0x47136dd6U,
512 0x618c9ad7U, 0x0c7a37a1U, 0x148e59f8U, 0x3c89eb13U,
513 0x27eecea9U, 0xc935b761U, 0xe5ede11cU, 0xb13c7a47U,
514 0xdf599cd2U, 0x733f55f2U, 0xce791814U, 0x37bf73c7U,
515 0xcdea53f7U, 0xaa5b5ffdU, 0x6f14df3dU, 0xdb867844U,
516 0xf381caafU, 0xc43eb968U, 0x342c3824U, 0x405fc2a3U,
517 0xc372161dU, 0x250cbce2U, 0x498b283cU, 0x9541ff0dU,
518 0x017139a8U, 0xb3de080cU, 0xe49cd8b4U, 0xc1906456U,
519 0x84617bcbU, 0xb670d532U, 0x5c74486cU, 0x5742d0b8U,
520 };
521 static const u32 Td3[256] = {
522 0xf4a75051U, 0x4165537eU, 0x17a4c31aU, 0x275e963aU,
523 0xab6bcb3bU, 0x9d45f11fU, 0xfa58abacU, 0xe303934bU,
524 0x30fa5520U, 0x766df6adU, 0xcc769188U, 0x024c25f5U,
525 0xe5d7fc4fU, 0x2acbd7c5U, 0x35448026U, 0x62a38fb5U,
526 0xb15a49deU, 0xba1b6725U, 0xea0e9845U, 0xfec0e15dU,
527 0x2f7502c3U, 0x4cf01281U, 0x4697a38dU, 0xd3f9c66bU,
528 0x8f5fe703U, 0x929c9515U, 0x6d7aebbfU, 0x5259da95U,
529 0xbe832dd4U, 0x7421d358U, 0xe0692949U, 0xc9c8448eU,
530 0xc2896a75U, 0x8e7978f4U, 0x583e6b99U, 0xb971dd27U,
531 0xe14fb6beU, 0x88ad17f0U, 0x20ac66c9U, 0xce3ab47dU,
532 0xdf4a1863U, 0x1a3182e5U, 0x51336097U, 0x537f4562U,
533 0x6477e0b1U, 0x6bae84bbU, 0x81a01cfeU, 0x082b94f9U,
534 0x48685870U, 0x45fd198fU, 0xde6c8794U, 0x7bf8b752U,
535 0x73d323abU, 0x4b02e272U, 0x1f8f57e3U, 0x55ab2a66U,
536 0xeb2807b2U, 0xb5c2032fU, 0xc57b9a86U, 0x3708a5d3U,
537 0x2887f230U, 0xbfa5b223U, 0x036aba02U, 0x16825cedU,
538 0xcf1c2b8aU, 0x79b492a7U, 0x07f2f0f3U, 0x69e2a14eU,
539 0xdaf4cd65U, 0x05bed506U, 0x34621fd1U, 0xa6fe8ac4U,
540 0x2e539d34U, 0xf355a0a2U, 0x8ae13205U, 0xf6eb75a4U,
541 0x83ec390bU, 0x60efaa40U, 0x719f065eU, 0x6e1051bdU,
542 0x218af93eU, 0xdd063d96U, 0x3e05aeddU, 0xe6bd464dU,
543 0x548db591U, 0xc45d0571U, 0x06d46f04U, 0x5015ff60U,
544 0x98fb2419U, 0xbde997d6U, 0x4043cc89U, 0xd99e7767U,
545 0xe842bdb0U, 0x898b8807U, 0x195b38e7U, 0xc8eedb79U,
546 0x7c0a47a1U, 0x420fe97cU, 0x841ec9f8U, 0x00000000U,
547 0x80868309U, 0x2bed4832U, 0x1170ac1eU, 0x5a724e6cU,
548 0x0efffbfdU, 0x8538560fU, 0xaed51e3dU, 0x2d392736U,
549 0x0fd9640aU, 0x5ca62168U, 0x5b54d19bU, 0x362e3a24U,
550 0x0a67b10cU, 0x57e70f93U, 0xee96d2b4U, 0x9b919e1bU,
551 0xc0c54f80U, 0xdc20a261U, 0x774b695aU, 0x121a161cU,
552 0x93ba0ae2U, 0xa02ae5c0U, 0x22e0433cU, 0x1b171d12U,
553 0x090d0b0eU, 0x8bc7adf2U, 0xb6a8b92dU, 0x1ea9c814U,
554 0xf1198557U, 0x75074cafU, 0x99ddbbeeU, 0x7f60fda3U,
555 0x01269ff7U, 0x72f5bc5cU, 0x663bc544U, 0xfb7e345bU,
556 0x4329768bU, 0x23c6dccbU, 0xedfc68b6U, 0xe4f163b8U,
557 0x31dccad7U, 0x63851042U, 0x97224013U, 0xc6112084U,
558 0x4a247d85U, 0xbb3df8d2U, 0xf93211aeU, 0x29a16dc7U,
559 0x9e2f4b1dU, 0xb230f3dcU, 0x8652ec0dU, 0xc1e3d077U,
560 0xb3166c2bU, 0x70b999a9U, 0x9448fa11U, 0xe9642247U,
561 0xfc8cc4a8U, 0xf03f1aa0U, 0x7d2cd856U, 0x3390ef22U,
562 0x494ec787U, 0x38d1c1d9U, 0xcaa2fe8cU, 0xd40b3698U,
563 0xf581cfa6U, 0x7ade28a5U, 0xb78e26daU, 0xadbfa43fU,
564 0x3a9de42cU, 0x78920d50U, 0x5fcc9b6aU, 0x7e466254U,
565 0x8d13c2f6U, 0xd8b8e890U, 0x39f75e2eU, 0xc3aff582U,
566 0x5d80be9fU, 0xd0937c69U, 0xd52da96fU, 0x2512b3cfU,
567 0xac993bc8U, 0x187da710U, 0x9c636ee8U, 0x3bbb7bdbU,
568 0x267809cdU, 0x5918f46eU, 0x9ab701ecU, 0x4f9aa883U,
569 0x956e65e6U, 0xffe67eaaU, 0xbccf0821U, 0x15e8e6efU,
570 0xe79bd9baU, 0x6f36ce4aU, 0x9f09d4eaU, 0xb07cd629U,
571 0xa4b2af31U, 0x3f23312aU, 0xa59430c6U, 0xa266c035U,
572 0x4ebc3774U, 0x82caa6fcU, 0x90d0b0e0U, 0xa7d81533U,
573 0x04984af1U, 0xecdaf741U, 0xcd500e7fU, 0x91f62f17U,
574 0x4dd68d76U, 0xefb04d43U, 0xaa4d54ccU, 0x9604dfe4U,
575 0xd1b5e39eU, 0x6a881b4cU, 0x2c1fb8c1U, 0x65517f46U,
576 0x5eea049dU, 0x8c355d01U, 0x877473faU, 0x0b412efbU,
577 0x671d5ab3U, 0xdbd25292U, 0x105633e9U, 0xd647136dU,
578 0xd7618c9aU, 0xa10c7a37U, 0xf8148e59U, 0x133c89ebU,
579 0xa927eeceU, 0x61c935b7U, 0x1ce5ede1U, 0x47b13c7aU,
580 0xd2df599cU, 0xf2733f55U, 0x14ce7918U, 0xc737bf73U,
581 0xf7cdea53U, 0xfdaa5b5fU, 0x3d6f14dfU, 0x44db8678U,
582 0xaff381caU, 0x68c43eb9U, 0x24342c38U, 0xa3405fc2U,
583 0x1dc37216U, 0xe2250cbcU, 0x3c498b28U, 0x0d9541ffU,
584 0xa8017139U, 0x0cb3de08U, 0xb4e49cd8U, 0x56c19064U,
585 0xcb84617bU, 0x32b670d5U, 0x6c5c7448U, 0xb85742d0U,
586 };
587 #endif
588
589 #if !defined(HAVE_AES_ENCRYPT_INTERNAL) || \
590 !defined(HAVE_AES_DECRYPT_INTERNAL)
591 static const u8 Td4[256] = {
592 0x52U, 0x09U, 0x6aU, 0xd5U, 0x30U, 0x36U, 0xa5U, 0x38U,
593 0xbfU, 0x40U, 0xa3U, 0x9eU, 0x81U, 0xf3U, 0xd7U, 0xfbU,
594 0x7cU, 0xe3U, 0x39U, 0x82U, 0x9bU, 0x2fU, 0xffU, 0x87U,
595 0x34U, 0x8eU, 0x43U, 0x44U, 0xc4U, 0xdeU, 0xe9U, 0xcbU,
596 0x54U, 0x7bU, 0x94U, 0x32U, 0xa6U, 0xc2U, 0x23U, 0x3dU,
597 0xeeU, 0x4cU, 0x95U, 0x0bU, 0x42U, 0xfaU, 0xc3U, 0x4eU,
598 0x08U, 0x2eU, 0xa1U, 0x66U, 0x28U, 0xd9U, 0x24U, 0xb2U,
599 0x76U, 0x5bU, 0xa2U, 0x49U, 0x6dU, 0x8bU, 0xd1U, 0x25U,
600 0x72U, 0xf8U, 0xf6U, 0x64U, 0x86U, 0x68U, 0x98U, 0x16U,
601 0xd4U, 0xa4U, 0x5cU, 0xccU, 0x5dU, 0x65U, 0xb6U, 0x92U,
602 0x6cU, 0x70U, 0x48U, 0x50U, 0xfdU, 0xedU, 0xb9U, 0xdaU,
603 0x5eU, 0x15U, 0x46U, 0x57U, 0xa7U, 0x8dU, 0x9dU, 0x84U,
604 0x90U, 0xd8U, 0xabU, 0x00U, 0x8cU, 0xbcU, 0xd3U, 0x0aU,
605 0xf7U, 0xe4U, 0x58U, 0x05U, 0xb8U, 0xb3U, 0x45U, 0x06U,
606 0xd0U, 0x2cU, 0x1eU, 0x8fU, 0xcaU, 0x3fU, 0x0fU, 0x02U,
607 0xc1U, 0xafU, 0xbdU, 0x03U, 0x01U, 0x13U, 0x8aU, 0x6bU,
608 0x3aU, 0x91U, 0x11U, 0x41U, 0x4fU, 0x67U, 0xdcU, 0xeaU,
609 0x97U, 0xf2U, 0xcfU, 0xceU, 0xf0U, 0xb4U, 0xe6U, 0x73U,
610 0x96U, 0xacU, 0x74U, 0x22U, 0xe7U, 0xadU, 0x35U, 0x85U,
611 0xe2U, 0xf9U, 0x37U, 0xe8U, 0x1cU, 0x75U, 0xdfU, 0x6eU,
612 0x47U, 0xf1U, 0x1aU, 0x71U, 0x1dU, 0x29U, 0xc5U, 0x89U,
613 0x6fU, 0xb7U, 0x62U, 0x0eU, 0xaaU, 0x18U, 0xbeU, 0x1bU,
614 0xfcU, 0x56U, 0x3eU, 0x4bU, 0xc6U, 0xd2U, 0x79U, 0x20U,
615 0x9aU, 0xdbU, 0xc0U, 0xfeU, 0x78U, 0xcdU, 0x5aU, 0xf4U,
616 0x1fU, 0xddU, 0xa8U, 0x33U, 0x88U, 0x07U, 0xc7U, 0x31U,
617 0xb1U, 0x12U, 0x10U, 0x59U, 0x27U, 0x80U, 0xecU, 0x5fU,
618 0x60U, 0x51U, 0x7fU, 0xa9U, 0x19U, 0xb5U, 0x4aU, 0x0dU,
619 0x2dU, 0xe5U, 0x7aU, 0x9fU, 0x93U, 0xc9U, 0x9cU, 0xefU,
620 0xa0U, 0xe0U, 0x3bU, 0x4dU, 0xaeU, 0x2aU, 0xf5U, 0xb0U,
621 0xc8U, 0xebU, 0xbbU, 0x3cU, 0x83U, 0x53U, 0x99U, 0x61U,
622 0x17U, 0x2bU, 0x04U, 0x7eU, 0xbaU, 0x77U, 0xd6U, 0x26U,
623 0xe1U, 0x69U, 0x14U, 0x63U, 0x55U, 0x21U, 0x0cU, 0x7dU,
624 };
625 #endif
626
627 #if !defined(HAVE_AES_SET_ENCRYPT_KEY_INTERNAL) || \
628 !defined(HAVE_AES_SET_DECRYPT_KEY_INTERNAL)
629 static const u32 rcon[] = {
630 0x01000000, 0x02000000, 0x04000000, 0x08000000,
631 0x10000000, 0x20000000, 0x40000000, 0x80000000,
632 0x1B000000, 0x36000000, /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */
633 };
634 #endif
635
636 #ifdef HAVE_AES_SET_ENCRYPT_KEY_INTERNAL
637 int aes_set_encrypt_key_internal(const unsigned char *userKey, const int bits,
638 AES_KEY *key);
639
640 #else
641
642 /*
643 * Expand the cipher key into the encryption key schedule.
644 */
645 static inline int
aes_set_encrypt_key_internal(const unsigned char * userKey,const int bits,AES_KEY * key)646 aes_set_encrypt_key_internal(const unsigned char *userKey, const int bits,
647 AES_KEY *key)
648 {
649 u32 *rk;
650 int i = 0;
651 u32 temp;
652
653 if (!userKey || !key)
654 return -1;
655 if (bits != 128 && bits != 192 && bits != 256)
656 return -2;
657
658 rk = key->rd_key;
659
660 if (bits == 128)
661 key->rounds = 10;
662 else if (bits == 192)
663 key->rounds = 12;
664 else
665 key->rounds = 14;
666
667 rk[0] = crypto_load_be32toh(&userKey[0 * 4]);
668 rk[1] = crypto_load_be32toh(&userKey[1 * 4]);
669 rk[2] = crypto_load_be32toh(&userKey[2 * 4]);
670 rk[3] = crypto_load_be32toh(&userKey[3 * 4]);
671 if (bits == 128) {
672 while (1) {
673 temp = rk[3];
674 rk[4] = rk[0] ^
675 (Te2[(temp >> 16) & 0xff] & 0xff000000) ^
676 (Te3[(temp >> 8) & 0xff] & 0x00ff0000) ^
677 (Te0[(temp) & 0xff] & 0x0000ff00) ^
678 (Te1[(temp >> 24)] & 0x000000ff) ^
679 rcon[i];
680 rk[5] = rk[1] ^ rk[4];
681 rk[6] = rk[2] ^ rk[5];
682 rk[7] = rk[3] ^ rk[6];
683 if (++i == 10) {
684 return 0;
685 }
686 rk += 4;
687 }
688 }
689 rk[4] = crypto_load_be32toh(&userKey[4 * 4]);
690 rk[5] = crypto_load_be32toh(&userKey[5 * 4]);
691 if (bits == 192) {
692 while (1) {
693 temp = rk[5];
694 rk[6] = rk[ 0] ^
695 (Te2[(temp >> 16) & 0xff] & 0xff000000) ^
696 (Te3[(temp >> 8) & 0xff] & 0x00ff0000) ^
697 (Te0[(temp) & 0xff] & 0x0000ff00) ^
698 (Te1[(temp >> 24)] & 0x000000ff) ^
699 rcon[i];
700 rk[7] = rk[1] ^ rk[6];
701 rk[8] = rk[2] ^ rk[7];
702 rk[9] = rk[3] ^ rk[8];
703 if (++i == 8) {
704 return 0;
705 }
706 rk[10] = rk[4] ^ rk[9];
707 rk[11] = rk[5] ^ rk[10];
708 rk += 6;
709 }
710 }
711 rk[6] = crypto_load_be32toh(&userKey[6 * 4]);
712 rk[7] = crypto_load_be32toh(&userKey[7 * 4]);
713 if (bits == 256) {
714 while (1) {
715 temp = rk[7];
716 rk[8] = rk[0] ^
717 (Te2[(temp >> 16) & 0xff] & 0xff000000) ^
718 (Te3[(temp >> 8) & 0xff] & 0x00ff0000) ^
719 (Te0[(temp) & 0xff] & 0x0000ff00) ^
720 (Te1[(temp >> 24)] & 0x000000ff) ^
721 rcon[i];
722 rk[9] = rk[1] ^ rk[8];
723 rk[10] = rk[2] ^ rk[9];
724 rk[11] = rk[3] ^ rk[10];
725 if (++i == 7) {
726 return 0;
727 }
728 temp = rk[11];
729 rk[12] = rk[4] ^
730 (Te2[(temp >> 24)] & 0xff000000) ^
731 (Te3[(temp >> 16) & 0xff] & 0x00ff0000) ^
732 (Te0[(temp >> 8) & 0xff] & 0x0000ff00) ^
733 (Te1[(temp) & 0xff] & 0x000000ff);
734 rk[13] = rk[5] ^ rk[12];
735 rk[14] = rk[6] ^ rk[13];
736 rk[15] = rk[7] ^ rk[14];
737
738 rk += 8;
739 }
740 }
741 return 0;
742 }
743 #endif
744
745 int
AES_set_encrypt_key(const unsigned char * userKey,const int bits,AES_KEY * key)746 AES_set_encrypt_key(const unsigned char *userKey, const int bits, AES_KEY *key)
747 {
748 return aes_set_encrypt_key_internal(userKey, bits, key);
749 }
750 LCRYPTO_ALIAS(AES_set_encrypt_key);
751
752 #ifdef HAVE_AES_SET_DECRYPT_KEY_INTERNAL
753 int aes_set_decrypt_key_internal(const unsigned char *userKey, const int bits,
754 AES_KEY *key);
755
756 #else
757 /*
758 * Expand the cipher key into the decryption key schedule.
759 */
760 static inline int
aes_set_decrypt_key_internal(const unsigned char * userKey,const int bits,AES_KEY * key)761 aes_set_decrypt_key_internal(const unsigned char *userKey, const int bits,
762 AES_KEY *key)
763 {
764 u32 *rk;
765 int i, j, status;
766 u32 temp;
767
768 /* first, start with an encryption schedule */
769 status = AES_set_encrypt_key(userKey, bits, key);
770 if (status < 0)
771 return status;
772
773 rk = key->rd_key;
774
775 /* invert the order of the round keys: */
776 for (i = 0, j = 4 * (key->rounds); i < j; i += 4, j -= 4) {
777 temp = rk[i];
778 rk[i] = rk[j];
779 rk[j] = temp;
780 temp = rk[i + 1];
781 rk[i + 1] = rk[j + 1];
782 rk[j + 1] = temp;
783 temp = rk[i + 2];
784 rk[i + 2] = rk[j + 2];
785 rk[j + 2] = temp;
786 temp = rk[i + 3];
787 rk[i + 3] = rk[j + 3];
788 rk[j + 3] = temp;
789 }
790 /* apply the inverse MixColumn transform to all round keys but the first and the last: */
791 for (i = 1; i < (key->rounds); i++) {
792 rk += 4;
793 rk[0] =
794 Td0[Te1[(rk[0] >> 24)] & 0xff] ^
795 Td1[Te1[(rk[0] >> 16) & 0xff] & 0xff] ^
796 Td2[Te1[(rk[0] >> 8) & 0xff] & 0xff] ^
797 Td3[Te1[(rk[0]) & 0xff] & 0xff];
798 rk[1] =
799 Td0[Te1[(rk[1] >> 24)] & 0xff] ^
800 Td1[Te1[(rk[1] >> 16) & 0xff] & 0xff] ^
801 Td2[Te1[(rk[1] >> 8) & 0xff] & 0xff] ^
802 Td3[Te1[(rk[1]) & 0xff] & 0xff];
803 rk[2] =
804 Td0[Te1[(rk[2] >> 24)] & 0xff] ^
805 Td1[Te1[(rk[2] >> 16) & 0xff] & 0xff] ^
806 Td2[Te1[(rk[2] >> 8) & 0xff] & 0xff] ^
807 Td3[Te1[(rk[2]) & 0xff] & 0xff];
808 rk[3] =
809 Td0[Te1[(rk[3] >> 24)] & 0xff] ^
810 Td1[Te1[(rk[3] >> 16) & 0xff] & 0xff] ^
811 Td2[Te1[(rk[3] >> 8) & 0xff] & 0xff] ^
812 Td3[Te1[(rk[3]) & 0xff] & 0xff];
813 }
814 return 0;
815 }
816 #endif
817
818 int
AES_set_decrypt_key(const unsigned char * userKey,const int bits,AES_KEY * key)819 AES_set_decrypt_key(const unsigned char *userKey, const int bits, AES_KEY *key)
820 {
821 return aes_set_decrypt_key_internal(userKey, bits, key);
822 }
823 LCRYPTO_ALIAS(AES_set_decrypt_key);
824
825 #ifdef HAVE_AES_ENCRYPT_INTERNAL
826 void aes_encrypt_internal(const unsigned char *in, unsigned char *out,
827 const AES_KEY *key);
828
829 #else
830 /*
831 * Encrypt a single block - in and out can overlap.
832 */
833 static inline void
aes_encrypt_internal(const unsigned char * in,unsigned char * out,const AES_KEY * key)834 aes_encrypt_internal(const unsigned char *in, unsigned char *out,
835 const AES_KEY *key)
836 {
837 const u32 *rk;
838 u32 s0, s1, s2, s3, t0, t1, t2, t3;
839 #ifndef FULL_UNROLL
840 int r;
841 #endif /* ?FULL_UNROLL */
842
843 rk = key->rd_key;
844
845 /*
846 * map byte array block to cipher state
847 * and add initial round key:
848 */
849 s0 = crypto_load_be32toh(&in[0 * 4]) ^ rk[0];
850 s1 = crypto_load_be32toh(&in[1 * 4]) ^ rk[1];
851 s2 = crypto_load_be32toh(&in[2 * 4]) ^ rk[2];
852 s3 = crypto_load_be32toh(&in[3 * 4]) ^ rk[3];
853 #ifdef FULL_UNROLL
854 /* round 1: */
855 t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[ 4];
856 t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[ 5];
857 t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[ 6];
858 t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[ 7];
859 /* round 2: */
860 s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[ 8];
861 s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[ 9];
862 s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[10];
863 s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[11];
864 /* round 3: */
865 t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[12];
866 t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[13];
867 t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[14];
868 t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[15];
869 /* round 4: */
870 s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[16];
871 s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[17];
872 s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[18];
873 s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[19];
874 /* round 5: */
875 t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[20];
876 t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[21];
877 t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[22];
878 t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[23];
879 /* round 6: */
880 s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[24];
881 s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[25];
882 s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[26];
883 s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[27];
884 /* round 7: */
885 t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[28];
886 t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[29];
887 t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[30];
888 t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[31];
889 /* round 8: */
890 s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[32];
891 s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[33];
892 s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[34];
893 s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[35];
894 /* round 9: */
895 t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[36];
896 t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[37];
897 t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[38];
898 t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[39];
899 if (key->rounds > 10) {
900 /* round 10: */
901 s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[40];
902 s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[41];
903 s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[42];
904 s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[43];
905 /* round 11: */
906 t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[44];
907 t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[45];
908 t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[46];
909 t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[47];
910 if (key->rounds > 12) {
911 /* round 12: */
912 s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[48];
913 s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[49];
914 s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[50];
915 s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[51];
916 /* round 13: */
917 t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[52];
918 t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[53];
919 t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[54];
920 t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[55];
921 }
922 }
923 rk += key->rounds << 2;
924 #else /* !FULL_UNROLL */
925 /*
926 * Nr - 1 full rounds:
927 */
928 r = key->rounds >> 1;
929 for (;;) {
930 t0 =
931 Te0[(s0 >> 24)] ^
932 Te1[(s1 >> 16) & 0xff] ^
933 Te2[(s2 >> 8) & 0xff] ^
934 Te3[(s3) & 0xff] ^
935 rk[4];
936 t1 =
937 Te0[(s1 >> 24)] ^
938 Te1[(s2 >> 16) & 0xff] ^
939 Te2[(s3 >> 8) & 0xff] ^
940 Te3[(s0) & 0xff] ^
941 rk[5];
942 t2 =
943 Te0[(s2 >> 24)] ^
944 Te1[(s3 >> 16) & 0xff] ^
945 Te2[(s0 >> 8) & 0xff] ^
946 Te3[(s1) & 0xff] ^
947 rk[6];
948 t3 =
949 Te0[(s3 >> 24)] ^
950 Te1[(s0 >> 16) & 0xff] ^
951 Te2[(s1 >> 8) & 0xff] ^
952 Te3[(s2) & 0xff] ^
953 rk[7];
954
955 rk += 8;
956 if (--r == 0) {
957 break;
958 }
959
960 s0 =
961 Te0[(t0 >> 24)] ^
962 Te1[(t1 >> 16) & 0xff] ^
963 Te2[(t2 >> 8) & 0xff] ^
964 Te3[(t3) & 0xff] ^
965 rk[0];
966 s1 =
967 Te0[(t1 >> 24)] ^
968 Te1[(t2 >> 16) & 0xff] ^
969 Te2[(t3 >> 8) & 0xff] ^
970 Te3[(t0) & 0xff] ^
971 rk[1];
972 s2 =
973 Te0[(t2 >> 24)] ^
974 Te1[(t3 >> 16) & 0xff] ^
975 Te2[(t0 >> 8) & 0xff] ^
976 Te3[(t1) & 0xff] ^
977 rk[2];
978 s3 =
979 Te0[(t3 >> 24)] ^
980 Te1[(t0 >> 16) & 0xff] ^
981 Te2[(t1 >> 8) & 0xff] ^
982 Te3[(t2) & 0xff] ^
983 rk[3];
984 }
985 #endif /* ?FULL_UNROLL */
986 /*
987 * apply last round and
988 * map cipher state to byte array block:
989 */
990 s0 =
991 (Te2[(t0 >> 24)] & 0xff000000) ^
992 (Te3[(t1 >> 16) & 0xff] & 0x00ff0000) ^
993 (Te0[(t2 >> 8) & 0xff] & 0x0000ff00) ^
994 (Te1[(t3) & 0xff] & 0x000000ff) ^
995 rk[0];
996 crypto_store_htobe32(&out[0 * 4], s0);
997 s1 =
998 (Te2[(t1 >> 24)] & 0xff000000) ^
999 (Te3[(t2 >> 16) & 0xff] & 0x00ff0000) ^
1000 (Te0[(t3 >> 8) & 0xff] & 0x0000ff00) ^
1001 (Te1[(t0) & 0xff] & 0x000000ff) ^
1002 rk[1];
1003 crypto_store_htobe32(&out[1 * 4], s1);
1004 s2 =
1005 (Te2[(t2 >> 24)] & 0xff000000) ^
1006 (Te3[(t3 >> 16) & 0xff] & 0x00ff0000) ^
1007 (Te0[(t0 >> 8) & 0xff] & 0x0000ff00) ^
1008 (Te1[(t1) & 0xff] & 0x000000ff) ^
1009 rk[2];
1010 crypto_store_htobe32(&out[2 * 4], s2);
1011 s3 =
1012 (Te2[(t3 >> 24)] & 0xff000000) ^
1013 (Te3[(t0 >> 16) & 0xff] & 0x00ff0000) ^
1014 (Te0[(t1 >> 8) & 0xff] & 0x0000ff00) ^
1015 (Te1[(t2) & 0xff] & 0x000000ff) ^
1016 rk[3];
1017 crypto_store_htobe32(&out[3 * 4], s3);
1018 }
1019 #endif
1020
1021 void
AES_encrypt(const unsigned char * in,unsigned char * out,const AES_KEY * key)1022 AES_encrypt(const unsigned char *in, unsigned char *out, const AES_KEY *key)
1023 {
1024 return aes_encrypt_internal(in, out, key);
1025 }
1026 LCRYPTO_ALIAS(AES_encrypt);
1027
1028 #ifdef HAVE_AES_DECRYPT_INTERNAL
1029 void aes_decrypt_internal(const unsigned char *in, unsigned char *out,
1030 const AES_KEY *key);
1031
1032 #else
1033 /*
1034 * Decrypt a single block - in and out can overlap.
1035 */
1036 static inline void
aes_decrypt_internal(const unsigned char * in,unsigned char * out,const AES_KEY * key)1037 aes_decrypt_internal(const unsigned char *in, unsigned char *out,
1038 const AES_KEY *key)
1039 {
1040 const u32 *rk;
1041 u32 s0, s1, s2, s3, t0, t1, t2, t3;
1042 #ifndef FULL_UNROLL
1043 int r;
1044 #endif /* ?FULL_UNROLL */
1045
1046 rk = key->rd_key;
1047
1048 /*
1049 * map byte array block to cipher state
1050 * and add initial round key:
1051 */
1052 s0 = crypto_load_be32toh(&in[0 * 4]) ^ rk[0];
1053 s1 = crypto_load_be32toh(&in[1 * 4]) ^ rk[1];
1054 s2 = crypto_load_be32toh(&in[2 * 4]) ^ rk[2];
1055 s3 = crypto_load_be32toh(&in[3 * 4]) ^ rk[3];
1056 #ifdef FULL_UNROLL
1057 /* round 1: */
1058 t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[ 4];
1059 t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[ 5];
1060 t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[ 6];
1061 t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[ 7];
1062 /* round 2: */
1063 s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[ 8];
1064 s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[ 9];
1065 s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[10];
1066 s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[11];
1067 /* round 3: */
1068 t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[12];
1069 t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[13];
1070 t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[14];
1071 t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[15];
1072 /* round 4: */
1073 s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[16];
1074 s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[17];
1075 s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[18];
1076 s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[19];
1077 /* round 5: */
1078 t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[20];
1079 t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[21];
1080 t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[22];
1081 t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[23];
1082 /* round 6: */
1083 s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[24];
1084 s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[25];
1085 s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[26];
1086 s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[27];
1087 /* round 7: */
1088 t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[28];
1089 t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[29];
1090 t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[30];
1091 t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[31];
1092 /* round 8: */
1093 s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[32];
1094 s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[33];
1095 s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[34];
1096 s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[35];
1097 /* round 9: */
1098 t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[36];
1099 t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[37];
1100 t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[38];
1101 t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[39];
1102 if (key->rounds > 10) {
1103 /* round 10: */
1104 s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[40];
1105 s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[41];
1106 s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[42];
1107 s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[43];
1108 /* round 11: */
1109 t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[44];
1110 t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[45];
1111 t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[46];
1112 t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[47];
1113 if (key->rounds > 12) {
1114 /* round 12: */
1115 s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[48];
1116 s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[49];
1117 s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[50];
1118 s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[51];
1119 /* round 13: */
1120 t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[52];
1121 t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[53];
1122 t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[54];
1123 t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[55];
1124 }
1125 }
1126 rk += key->rounds << 2;
1127 #else /* !FULL_UNROLL */
1128 /*
1129 * Nr - 1 full rounds:
1130 */
1131 r = key->rounds >> 1;
1132 for (;;) {
1133 t0 =
1134 Td0[(s0 >> 24)] ^
1135 Td1[(s3 >> 16) & 0xff] ^
1136 Td2[(s2 >> 8) & 0xff] ^
1137 Td3[(s1) & 0xff] ^
1138 rk[4];
1139 t1 =
1140 Td0[(s1 >> 24)] ^
1141 Td1[(s0 >> 16) & 0xff] ^
1142 Td2[(s3 >> 8) & 0xff] ^
1143 Td3[(s2) & 0xff] ^
1144 rk[5];
1145 t2 =
1146 Td0[(s2 >> 24)] ^
1147 Td1[(s1 >> 16) & 0xff] ^
1148 Td2[(s0 >> 8) & 0xff] ^
1149 Td3[(s3) & 0xff] ^
1150 rk[6];
1151 t3 =
1152 Td0[(s3 >> 24)] ^
1153 Td1[(s2 >> 16) & 0xff] ^
1154 Td2[(s1 >> 8) & 0xff] ^
1155 Td3[(s0) & 0xff] ^
1156 rk[7];
1157
1158 rk += 8;
1159 if (--r == 0) {
1160 break;
1161 }
1162
1163 s0 =
1164 Td0[(t0 >> 24)] ^
1165 Td1[(t3 >> 16) & 0xff] ^
1166 Td2[(t2 >> 8) & 0xff] ^
1167 Td3[(t1) & 0xff] ^
1168 rk[0];
1169 s1 =
1170 Td0[(t1 >> 24)] ^
1171 Td1[(t0 >> 16) & 0xff] ^
1172 Td2[(t3 >> 8) & 0xff] ^
1173 Td3[(t2) & 0xff] ^
1174 rk[1];
1175 s2 =
1176 Td0[(t2 >> 24)] ^
1177 Td1[(t1 >> 16) & 0xff] ^
1178 Td2[(t0 >> 8) & 0xff] ^
1179 Td3[(t3) & 0xff] ^
1180 rk[2];
1181 s3 =
1182 Td0[(t3 >> 24)] ^
1183 Td1[(t2 >> 16) & 0xff] ^
1184 Td2[(t1 >> 8) & 0xff] ^
1185 Td3[(t0) & 0xff] ^
1186 rk[3];
1187 }
1188 #endif /* ?FULL_UNROLL */
1189 /*
1190 * apply last round and
1191 * map cipher state to byte array block:
1192 */
1193 s0 =
1194 (((uint32_t)Td4[(t0 >> 24)]) << 24) ^
1195 (Td4[(t3 >> 16) & 0xff] << 16) ^
1196 (Td4[(t2 >> 8) & 0xff] << 8) ^
1197 (Td4[(t1) & 0xff]) ^
1198 rk[0];
1199 crypto_store_htobe32(&out[0 * 4], s0);
1200 s1 =
1201 (((uint32_t)Td4[(t1 >> 24)]) << 24) ^
1202 (Td4[(t0 >> 16) & 0xff] << 16) ^
1203 (Td4[(t3 >> 8) & 0xff] << 8) ^
1204 (Td4[(t2) & 0xff]) ^
1205 rk[1];
1206 crypto_store_htobe32(&out[1 * 4], s1);
1207 s2 =
1208 (((uint32_t)Td4[(t2 >> 24)]) << 24) ^
1209 (Td4[(t1 >> 16) & 0xff] << 16) ^
1210 (Td4[(t0 >> 8) & 0xff] << 8) ^
1211 (Td4[(t3) & 0xff]) ^
1212 rk[2];
1213 crypto_store_htobe32(&out[2 * 4], s2);
1214 s3 =
1215 (((uint32_t)Td4[(t3 >> 24)]) << 24) ^
1216 (Td4[(t2 >> 16) & 0xff] << 16) ^
1217 (Td4[(t1 >> 8) & 0xff] << 8) ^
1218 (Td4[(t0) & 0xff]) ^
1219 rk[3];
1220 crypto_store_htobe32(&out[3 * 4], s3);
1221 }
1222 #endif
1223
1224 void
AES_decrypt(const unsigned char * in,unsigned char * out,const AES_KEY * key)1225 AES_decrypt(const unsigned char *in, unsigned char *out, const AES_KEY *key)
1226 {
1227 return aes_decrypt_internal(in, out, key);
1228 }
1229 LCRYPTO_ALIAS(AES_decrypt);
1230