1 /* $OpenBSD: aes_core.c,v 1.23 2024/03/30 05:14:12 joshua 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_internal.h"
39
40 /*
41 Te0[x] = S [x].[02, 01, 01, 03];
42 Te1[x] = S [x].[03, 02, 01, 01];
43 Te2[x] = S [x].[01, 03, 02, 01];
44 Te3[x] = S [x].[01, 01, 03, 02];
45
46 Td0[x] = Si[x].[0e, 09, 0d, 0b];
47 Td1[x] = Si[x].[0b, 0e, 09, 0d];
48 Td2[x] = Si[x].[0d, 0b, 0e, 09];
49 Td3[x] = Si[x].[09, 0d, 0b, 0e];
50 Td4[x] = Si[x].[01];
51 */
52
53 #if !defined(HAVE_AES_SET_ENCRYPT_KEY_INTERNAL) || \
54 !defined(HAVE_AES_SET_DECRYPT_KEY_INTERNAL) || \
55 !defined(HAVE_AES_ENCRYPT_INTERNAL) || \
56 !defined(HAVE_AES_DECRYPT_INTERNAL)
57 static const u32 Te0[256] = {
58 0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU,
59 0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U,
60 0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU,
61 0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU,
62 0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U,
63 0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU,
64 0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU,
65 0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU,
66 0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU,
67 0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU,
68 0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U,
69 0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU,
70 0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU,
71 0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U,
72 0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU,
73 0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU,
74 0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU,
75 0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU,
76 0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU,
77 0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U,
78 0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU,
79 0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU,
80 0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU,
81 0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU,
82 0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U,
83 0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U,
84 0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U,
85 0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U,
86 0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU,
87 0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U,
88 0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U,
89 0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU,
90 0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU,
91 0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U,
92 0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U,
93 0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U,
94 0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU,
95 0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U,
96 0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU,
97 0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U,
98 0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU,
99 0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U,
100 0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U,
101 0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU,
102 0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U,
103 0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U,
104 0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U,
105 0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U,
106 0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U,
107 0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U,
108 0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U,
109 0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U,
110 0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU,
111 0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U,
112 0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U,
113 0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U,
114 0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U,
115 0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U,
116 0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U,
117 0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU,
118 0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U,
119 0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U,
120 0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U,
121 0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU,
122 };
123 static const u32 Te1[256] = {
124 0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU,
125 0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U,
126 0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU,
127 0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U,
128 0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU,
129 0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U,
130 0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU,
131 0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U,
132 0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U,
133 0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU,
134 0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U,
135 0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U,
136 0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U,
137 0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU,
138 0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U,
139 0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U,
140 0x1b120909U, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU,
141 0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U,
142 0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U,
143 0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U,
144 0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU,
145 0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU,
146 0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U,
147 0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU,
148 0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU,
149 0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U,
150 0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU,
151 0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U,
152 0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, 0x8a058f8fU,
153 0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U,
154 0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U,
155 0x30201010U, 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U,
156 0x4c81cdcdU, 0x14180c0cU, 0x35261313U, 0x2fc3ececU,
157 0xe1be5f5fU, 0xa2359797U, 0xcc884444U, 0x392e1717U,
158 0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU,
159 0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U,
160 0xa0c06060U, 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU,
161 0x66442222U, 0x7e542a2aU, 0xab3b9090U, 0x830b8888U,
162 0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, 0x3c281414U,
163 0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU,
164 0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU,
165 0xdb924949U, 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU,
166 0x5d9fc2c2U, 0x6ebdd3d3U, 0xef43acacU, 0xa6c46262U,
167 0xa8399191U, 0xa4319595U, 0x37d3e4e4U, 0x8bf27979U,
168 0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU,
169 0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U,
170 0xb4d86c6cU, 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU,
171 0xafca6565U, 0x8ef47a7aU, 0xe947aeaeU, 0x18100808U,
172 0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, 0x725c2e2eU,
173 0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U,
174 0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU,
175 0xdd964b4bU, 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU,
176 0x90e07070U, 0x427c3e3eU, 0xc471b5b5U, 0xaacc6666U,
177 0xd8904848U, 0x05060303U, 0x01f7f6f6U, 0x121c0e0eU,
178 0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U,
179 0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU,
180 0x38d9e1e1U, 0x13ebf8f8U, 0xb32b9898U, 0x33221111U,
181 0xbbd26969U, 0x70a9d9d9U, 0x89078e8eU, 0xa7339494U,
182 0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, 0x20c9e9e9U,
183 0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU,
184 0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU,
185 0xda65bfbfU, 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U,
186 0xc3824141U, 0xb0299999U, 0x775a2d2dU, 0x111e0f0fU,
187 0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, 0x3a2c1616U,
188 };
189 static const u32 Te2[256] = {
190 0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU,
191 0xf20dfff2U, 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U,
192 0x30506030U, 0x01030201U, 0x67a9ce67U, 0x2b7d562bU,
193 0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, 0x769aec76U,
194 0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU,
195 0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U,
196 0xadec41adU, 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU,
197 0x9cbf239cU, 0xa4f753a4U, 0x7296e472U, 0xc05b9bc0U,
198 0xb7c275b7U, 0xfd1ce1fdU, 0x93ae3d93U, 0x266a4c26U,
199 0x365a6c36U, 0x3f417e3fU, 0xf702f5f7U, 0xcc4f83ccU,
200 0x345c6834U, 0xa5f451a5U, 0xe534d1e5U, 0xf108f9f1U,
201 0x7193e271U, 0xd873abd8U, 0x31536231U, 0x153f2a15U,
202 0x040c0804U, 0xc75295c7U, 0x23654623U, 0xc35e9dc3U,
203 0x18283018U, 0x96a13796U, 0x050f0a05U, 0x9ab52f9aU,
204 0x07090e07U, 0x12362412U, 0x809b1b80U, 0xe23ddfe2U,
205 0xeb26cdebU, 0x27694e27U, 0xb2cd7fb2U, 0x759fea75U,
206 0x091b1209U, 0x839e1d83U, 0x2c74582cU, 0x1a2e341aU,
207 0x1b2d361bU, 0x6eb2dc6eU, 0x5aeeb45aU, 0xa0fb5ba0U,
208 0x52f6a452U, 0x3b4d763bU, 0xd661b7d6U, 0xb3ce7db3U,
209 0x297b5229U, 0xe33edde3U, 0x2f715e2fU, 0x84971384U,
210 0x53f5a653U, 0xd168b9d1U, 0x00000000U, 0xed2cc1edU,
211 0x20604020U, 0xfc1fe3fcU, 0xb1c879b1U, 0x5bedb65bU,
212 0x6abed46aU, 0xcb468dcbU, 0xbed967beU, 0x394b7239U,
213 0x4ade944aU, 0x4cd4984cU, 0x58e8b058U, 0xcf4a85cfU,
214 0xd06bbbd0U, 0xef2ac5efU, 0xaae54faaU, 0xfb16edfbU,
215 0x43c58643U, 0x4dd79a4dU, 0x33556633U, 0x85941185U,
216 0x45cf8a45U, 0xf910e9f9U, 0x02060402U, 0x7f81fe7fU,
217 0x50f0a050U, 0x3c44783cU, 0x9fba259fU, 0xa8e34ba8U,
218 0x51f3a251U, 0xa3fe5da3U, 0x40c08040U, 0x8f8a058fU,
219 0x92ad3f92U, 0x9dbc219dU, 0x38487038U, 0xf504f1f5U,
220 0xbcdf63bcU, 0xb6c177b6U, 0xda75afdaU, 0x21634221U,
221 0x10302010U, 0xff1ae5ffU, 0xf30efdf3U, 0xd26dbfd2U,
222 0xcd4c81cdU, 0x0c14180cU, 0x13352613U, 0xec2fc3ecU,
223 0x5fe1be5fU, 0x97a23597U, 0x44cc8844U, 0x17392e17U,
224 0xc45793c4U, 0xa7f255a7U, 0x7e82fc7eU, 0x3d477a3dU,
225 0x64acc864U, 0x5de7ba5dU, 0x192b3219U, 0x7395e673U,
226 0x60a0c060U, 0x81981981U, 0x4fd19e4fU, 0xdc7fa3dcU,
227 0x22664422U, 0x2a7e542aU, 0x90ab3b90U, 0x88830b88U,
228 0x46ca8c46U, 0xee29c7eeU, 0xb8d36bb8U, 0x143c2814U,
229 0xde79a7deU, 0x5ee2bc5eU, 0x0b1d160bU, 0xdb76addbU,
230 0xe03bdbe0U, 0x32566432U, 0x3a4e743aU, 0x0a1e140aU,
231 0x49db9249U, 0x060a0c06U, 0x246c4824U, 0x5ce4b85cU,
232 0xc25d9fc2U, 0xd36ebdd3U, 0xacef43acU, 0x62a6c462U,
233 0x91a83991U, 0x95a43195U, 0xe437d3e4U, 0x798bf279U,
234 0xe732d5e7U, 0xc8438bc8U, 0x37596e37U, 0x6db7da6dU,
235 0x8d8c018dU, 0xd564b1d5U, 0x4ed29c4eU, 0xa9e049a9U,
236 0x6cb4d86cU, 0x56faac56U, 0xf407f3f4U, 0xea25cfeaU,
237 0x65afca65U, 0x7a8ef47aU, 0xaee947aeU, 0x08181008U,
238 0xbad56fbaU, 0x7888f078U, 0x256f4a25U, 0x2e725c2eU,
239 0x1c24381cU, 0xa6f157a6U, 0xb4c773b4U, 0xc65197c6U,
240 0xe823cbe8U, 0xdd7ca1ddU, 0x749ce874U, 0x1f213e1fU,
241 0x4bdd964bU, 0xbddc61bdU, 0x8b860d8bU, 0x8a850f8aU,
242 0x7090e070U, 0x3e427c3eU, 0xb5c471b5U, 0x66aacc66U,
243 0x48d89048U, 0x03050603U, 0xf601f7f6U, 0x0e121c0eU,
244 0x61a3c261U, 0x355f6a35U, 0x57f9ae57U, 0xb9d069b9U,
245 0x86911786U, 0xc15899c1U, 0x1d273a1dU, 0x9eb9279eU,
246 0xe138d9e1U, 0xf813ebf8U, 0x98b32b98U, 0x11332211U,
247 0x69bbd269U, 0xd970a9d9U, 0x8e89078eU, 0x94a73394U,
248 0x9bb62d9bU, 0x1e223c1eU, 0x87921587U, 0xe920c9e9U,
249 0xce4987ceU, 0x55ffaa55U, 0x28785028U, 0xdf7aa5dfU,
250 0x8c8f038cU, 0xa1f859a1U, 0x89800989U, 0x0d171a0dU,
251 0xbfda65bfU, 0xe631d7e6U, 0x42c68442U, 0x68b8d068U,
252 0x41c38241U, 0x99b02999U, 0x2d775a2dU, 0x0f111e0fU,
253 0xb0cb7bb0U, 0x54fca854U, 0xbbd66dbbU, 0x163a2c16U,
254 };
255 static const u32 Te3[256] = {
256 0x6363a5c6U, 0x7c7c84f8U, 0x777799eeU, 0x7b7b8df6U,
257 0xf2f20dffU, 0x6b6bbdd6U, 0x6f6fb1deU, 0xc5c55491U,
258 0x30305060U, 0x01010302U, 0x6767a9ceU, 0x2b2b7d56U,
259 0xfefe19e7U, 0xd7d762b5U, 0xababe64dU, 0x76769aecU,
260 0xcaca458fU, 0x82829d1fU, 0xc9c94089U, 0x7d7d87faU,
261 0xfafa15efU, 0x5959ebb2U, 0x4747c98eU, 0xf0f00bfbU,
262 0xadadec41U, 0xd4d467b3U, 0xa2a2fd5fU, 0xafafea45U,
263 0x9c9cbf23U, 0xa4a4f753U, 0x727296e4U, 0xc0c05b9bU,
264 0xb7b7c275U, 0xfdfd1ce1U, 0x9393ae3dU, 0x26266a4cU,
265 0x36365a6cU, 0x3f3f417eU, 0xf7f702f5U, 0xcccc4f83U,
266 0x34345c68U, 0xa5a5f451U, 0xe5e534d1U, 0xf1f108f9U,
267 0x717193e2U, 0xd8d873abU, 0x31315362U, 0x15153f2aU,
268 0x04040c08U, 0xc7c75295U, 0x23236546U, 0xc3c35e9dU,
269 0x18182830U, 0x9696a137U, 0x05050f0aU, 0x9a9ab52fU,
270 0x0707090eU, 0x12123624U, 0x80809b1bU, 0xe2e23ddfU,
271 0xebeb26cdU, 0x2727694eU, 0xb2b2cd7fU, 0x75759feaU,
272 0x09091b12U, 0x83839e1dU, 0x2c2c7458U, 0x1a1a2e34U,
273 0x1b1b2d36U, 0x6e6eb2dcU, 0x5a5aeeb4U, 0xa0a0fb5bU,
274 0x5252f6a4U, 0x3b3b4d76U, 0xd6d661b7U, 0xb3b3ce7dU,
275 0x29297b52U, 0xe3e33eddU, 0x2f2f715eU, 0x84849713U,
276 0x5353f5a6U, 0xd1d168b9U, 0x00000000U, 0xeded2cc1U,
277 0x20206040U, 0xfcfc1fe3U, 0xb1b1c879U, 0x5b5bedb6U,
278 0x6a6abed4U, 0xcbcb468dU, 0xbebed967U, 0x39394b72U,
279 0x4a4ade94U, 0x4c4cd498U, 0x5858e8b0U, 0xcfcf4a85U,
280 0xd0d06bbbU, 0xefef2ac5U, 0xaaaae54fU, 0xfbfb16edU,
281 0x4343c586U, 0x4d4dd79aU, 0x33335566U, 0x85859411U,
282 0x4545cf8aU, 0xf9f910e9U, 0x02020604U, 0x7f7f81feU,
283 0x5050f0a0U, 0x3c3c4478U, 0x9f9fba25U, 0xa8a8e34bU,
284 0x5151f3a2U, 0xa3a3fe5dU, 0x4040c080U, 0x8f8f8a05U,
285 0x9292ad3fU, 0x9d9dbc21U, 0x38384870U, 0xf5f504f1U,
286 0xbcbcdf63U, 0xb6b6c177U, 0xdada75afU, 0x21216342U,
287 0x10103020U, 0xffff1ae5U, 0xf3f30efdU, 0xd2d26dbfU,
288 0xcdcd4c81U, 0x0c0c1418U, 0x13133526U, 0xecec2fc3U,
289 0x5f5fe1beU, 0x9797a235U, 0x4444cc88U, 0x1717392eU,
290 0xc4c45793U, 0xa7a7f255U, 0x7e7e82fcU, 0x3d3d477aU,
291 0x6464acc8U, 0x5d5de7baU, 0x19192b32U, 0x737395e6U,
292 0x6060a0c0U, 0x81819819U, 0x4f4fd19eU, 0xdcdc7fa3U,
293 0x22226644U, 0x2a2a7e54U, 0x9090ab3bU, 0x8888830bU,
294 0x4646ca8cU, 0xeeee29c7U, 0xb8b8d36bU, 0x14143c28U,
295 0xdede79a7U, 0x5e5ee2bcU, 0x0b0b1d16U, 0xdbdb76adU,
296 0xe0e03bdbU, 0x32325664U, 0x3a3a4e74U, 0x0a0a1e14U,
297 0x4949db92U, 0x06060a0cU, 0x24246c48U, 0x5c5ce4b8U,
298 0xc2c25d9fU, 0xd3d36ebdU, 0xacacef43U, 0x6262a6c4U,
299 0x9191a839U, 0x9595a431U, 0xe4e437d3U, 0x79798bf2U,
300 0xe7e732d5U, 0xc8c8438bU, 0x3737596eU, 0x6d6db7daU,
301 0x8d8d8c01U, 0xd5d564b1U, 0x4e4ed29cU, 0xa9a9e049U,
302 0x6c6cb4d8U, 0x5656faacU, 0xf4f407f3U, 0xeaea25cfU,
303 0x6565afcaU, 0x7a7a8ef4U, 0xaeaee947U, 0x08081810U,
304 0xbabad56fU, 0x787888f0U, 0x25256f4aU, 0x2e2e725cU,
305 0x1c1c2438U, 0xa6a6f157U, 0xb4b4c773U, 0xc6c65197U,
306 0xe8e823cbU, 0xdddd7ca1U, 0x74749ce8U, 0x1f1f213eU,
307 0x4b4bdd96U, 0xbdbddc61U, 0x8b8b860dU, 0x8a8a850fU,
308 0x707090e0U, 0x3e3e427cU, 0xb5b5c471U, 0x6666aaccU,
309 0x4848d890U, 0x03030506U, 0xf6f601f7U, 0x0e0e121cU,
310 0x6161a3c2U, 0x35355f6aU, 0x5757f9aeU, 0xb9b9d069U,
311 0x86869117U, 0xc1c15899U, 0x1d1d273aU, 0x9e9eb927U,
312 0xe1e138d9U, 0xf8f813ebU, 0x9898b32bU, 0x11113322U,
313 0x6969bbd2U, 0xd9d970a9U, 0x8e8e8907U, 0x9494a733U,
314 0x9b9bb62dU, 0x1e1e223cU, 0x87879215U, 0xe9e920c9U,
315 0xcece4987U, 0x5555ffaaU, 0x28287850U, 0xdfdf7aa5U,
316 0x8c8c8f03U, 0xa1a1f859U, 0x89898009U, 0x0d0d171aU,
317 0xbfbfda65U, 0xe6e631d7U, 0x4242c684U, 0x6868b8d0U,
318 0x4141c382U, 0x9999b029U, 0x2d2d775aU, 0x0f0f111eU,
319 0xb0b0cb7bU, 0x5454fca8U, 0xbbbbd66dU, 0x16163a2cU,
320 };
321
322 static const u32 Td0[256] = {
323 0x51f4a750U, 0x7e416553U, 0x1a17a4c3U, 0x3a275e96U,
324 0x3bab6bcbU, 0x1f9d45f1U, 0xacfa58abU, 0x4be30393U,
325 0x2030fa55U, 0xad766df6U, 0x88cc7691U, 0xf5024c25U,
326 0x4fe5d7fcU, 0xc52acbd7U, 0x26354480U, 0xb562a38fU,
327 0xdeb15a49U, 0x25ba1b67U, 0x45ea0e98U, 0x5dfec0e1U,
328 0xc32f7502U, 0x814cf012U, 0x8d4697a3U, 0x6bd3f9c6U,
329 0x038f5fe7U, 0x15929c95U, 0xbf6d7aebU, 0x955259daU,
330 0xd4be832dU, 0x587421d3U, 0x49e06929U, 0x8ec9c844U,
331 0x75c2896aU, 0xf48e7978U, 0x99583e6bU, 0x27b971ddU,
332 0xbee14fb6U, 0xf088ad17U, 0xc920ac66U, 0x7dce3ab4U,
333 0x63df4a18U, 0xe51a3182U, 0x97513360U, 0x62537f45U,
334 0xb16477e0U, 0xbb6bae84U, 0xfe81a01cU, 0xf9082b94U,
335 0x70486858U, 0x8f45fd19U, 0x94de6c87U, 0x527bf8b7U,
336 0xab73d323U, 0x724b02e2U, 0xe31f8f57U, 0x6655ab2aU,
337 0xb2eb2807U, 0x2fb5c203U, 0x86c57b9aU, 0xd33708a5U,
338 0x302887f2U, 0x23bfa5b2U, 0x02036abaU, 0xed16825cU,
339 0x8acf1c2bU, 0xa779b492U, 0xf307f2f0U, 0x4e69e2a1U,
340 0x65daf4cdU, 0x0605bed5U, 0xd134621fU, 0xc4a6fe8aU,
341 0x342e539dU, 0xa2f355a0U, 0x058ae132U, 0xa4f6eb75U,
342 0x0b83ec39U, 0x4060efaaU, 0x5e719f06U, 0xbd6e1051U,
343 0x3e218af9U, 0x96dd063dU, 0xdd3e05aeU, 0x4de6bd46U,
344 0x91548db5U, 0x71c45d05U, 0x0406d46fU, 0x605015ffU,
345 0x1998fb24U, 0xd6bde997U, 0x894043ccU, 0x67d99e77U,
346 0xb0e842bdU, 0x07898b88U, 0xe7195b38U, 0x79c8eedbU,
347 0xa17c0a47U, 0x7c420fe9U, 0xf8841ec9U, 0x00000000U,
348 0x09808683U, 0x322bed48U, 0x1e1170acU, 0x6c5a724eU,
349 0xfd0efffbU, 0x0f853856U, 0x3daed51eU, 0x362d3927U,
350 0x0a0fd964U, 0x685ca621U, 0x9b5b54d1U, 0x24362e3aU,
351 0x0c0a67b1U, 0x9357e70fU, 0xb4ee96d2U, 0x1b9b919eU,
352 0x80c0c54fU, 0x61dc20a2U, 0x5a774b69U, 0x1c121a16U,
353 0xe293ba0aU, 0xc0a02ae5U, 0x3c22e043U, 0x121b171dU,
354 0x0e090d0bU, 0xf28bc7adU, 0x2db6a8b9U, 0x141ea9c8U,
355 0x57f11985U, 0xaf75074cU, 0xee99ddbbU, 0xa37f60fdU,
356 0xf701269fU, 0x5c72f5bcU, 0x44663bc5U, 0x5bfb7e34U,
357 0x8b432976U, 0xcb23c6dcU, 0xb6edfc68U, 0xb8e4f163U,
358 0xd731dccaU, 0x42638510U, 0x13972240U, 0x84c61120U,
359 0x854a247dU, 0xd2bb3df8U, 0xaef93211U, 0xc729a16dU,
360 0x1d9e2f4bU, 0xdcb230f3U, 0x0d8652ecU, 0x77c1e3d0U,
361 0x2bb3166cU, 0xa970b999U, 0x119448faU, 0x47e96422U,
362 0xa8fc8cc4U, 0xa0f03f1aU, 0x567d2cd8U, 0x223390efU,
363 0x87494ec7U, 0xd938d1c1U, 0x8ccaa2feU, 0x98d40b36U,
364 0xa6f581cfU, 0xa57ade28U, 0xdab78e26U, 0x3fadbfa4U,
365 0x2c3a9de4U, 0x5078920dU, 0x6a5fcc9bU, 0x547e4662U,
366 0xf68d13c2U, 0x90d8b8e8U, 0x2e39f75eU, 0x82c3aff5U,
367 0x9f5d80beU, 0x69d0937cU, 0x6fd52da9U, 0xcf2512b3U,
368 0xc8ac993bU, 0x10187da7U, 0xe89c636eU, 0xdb3bbb7bU,
369 0xcd267809U, 0x6e5918f4U, 0xec9ab701U, 0x834f9aa8U,
370 0xe6956e65U, 0xaaffe67eU, 0x21bccf08U, 0xef15e8e6U,
371 0xbae79bd9U, 0x4a6f36ceU, 0xea9f09d4U, 0x29b07cd6U,
372 0x31a4b2afU, 0x2a3f2331U, 0xc6a59430U, 0x35a266c0U,
373 0x744ebc37U, 0xfc82caa6U, 0xe090d0b0U, 0x33a7d815U,
374 0xf104984aU, 0x41ecdaf7U, 0x7fcd500eU, 0x1791f62fU,
375 0x764dd68dU, 0x43efb04dU, 0xccaa4d54U, 0xe49604dfU,
376 0x9ed1b5e3U, 0x4c6a881bU, 0xc12c1fb8U, 0x4665517fU,
377 0x9d5eea04U, 0x018c355dU, 0xfa877473U, 0xfb0b412eU,
378 0xb3671d5aU, 0x92dbd252U, 0xe9105633U, 0x6dd64713U,
379 0x9ad7618cU, 0x37a10c7aU, 0x59f8148eU, 0xeb133c89U,
380 0xcea927eeU, 0xb761c935U, 0xe11ce5edU, 0x7a47b13cU,
381 0x9cd2df59U, 0x55f2733fU, 0x1814ce79U, 0x73c737bfU,
382 0x53f7cdeaU, 0x5ffdaa5bU, 0xdf3d6f14U, 0x7844db86U,
383 0xcaaff381U, 0xb968c43eU, 0x3824342cU, 0xc2a3405fU,
384 0x161dc372U, 0xbce2250cU, 0x283c498bU, 0xff0d9541U,
385 0x39a80171U, 0x080cb3deU, 0xd8b4e49cU, 0x6456c190U,
386 0x7bcb8461U, 0xd532b670U, 0x486c5c74U, 0xd0b85742U,
387 };
388 static const u32 Td1[256] = {
389 0x5051f4a7U, 0x537e4165U, 0xc31a17a4U, 0x963a275eU,
390 0xcb3bab6bU, 0xf11f9d45U, 0xabacfa58U, 0x934be303U,
391 0x552030faU, 0xf6ad766dU, 0x9188cc76U, 0x25f5024cU,
392 0xfc4fe5d7U, 0xd7c52acbU, 0x80263544U, 0x8fb562a3U,
393 0x49deb15aU, 0x6725ba1bU, 0x9845ea0eU, 0xe15dfec0U,
394 0x02c32f75U, 0x12814cf0U, 0xa38d4697U, 0xc66bd3f9U,
395 0xe7038f5fU, 0x9515929cU, 0xebbf6d7aU, 0xda955259U,
396 0x2dd4be83U, 0xd3587421U, 0x2949e069U, 0x448ec9c8U,
397 0x6a75c289U, 0x78f48e79U, 0x6b99583eU, 0xdd27b971U,
398 0xb6bee14fU, 0x17f088adU, 0x66c920acU, 0xb47dce3aU,
399 0x1863df4aU, 0x82e51a31U, 0x60975133U, 0x4562537fU,
400 0xe0b16477U, 0x84bb6baeU, 0x1cfe81a0U, 0x94f9082bU,
401 0x58704868U, 0x198f45fdU, 0x8794de6cU, 0xb7527bf8U,
402 0x23ab73d3U, 0xe2724b02U, 0x57e31f8fU, 0x2a6655abU,
403 0x07b2eb28U, 0x032fb5c2U, 0x9a86c57bU, 0xa5d33708U,
404 0xf2302887U, 0xb223bfa5U, 0xba02036aU, 0x5ced1682U,
405 0x2b8acf1cU, 0x92a779b4U, 0xf0f307f2U, 0xa14e69e2U,
406 0xcd65daf4U, 0xd50605beU, 0x1fd13462U, 0x8ac4a6feU,
407 0x9d342e53U, 0xa0a2f355U, 0x32058ae1U, 0x75a4f6ebU,
408 0x390b83ecU, 0xaa4060efU, 0x065e719fU, 0x51bd6e10U,
409 0xf93e218aU, 0x3d96dd06U, 0xaedd3e05U, 0x464de6bdU,
410 0xb591548dU, 0x0571c45dU, 0x6f0406d4U, 0xff605015U,
411 0x241998fbU, 0x97d6bde9U, 0xcc894043U, 0x7767d99eU,
412 0xbdb0e842U, 0x8807898bU, 0x38e7195bU, 0xdb79c8eeU,
413 0x47a17c0aU, 0xe97c420fU, 0xc9f8841eU, 0x00000000U,
414 0x83098086U, 0x48322bedU, 0xac1e1170U, 0x4e6c5a72U,
415 0xfbfd0effU, 0x560f8538U, 0x1e3daed5U, 0x27362d39U,
416 0x640a0fd9U, 0x21685ca6U, 0xd19b5b54U, 0x3a24362eU,
417 0xb10c0a67U, 0x0f9357e7U, 0xd2b4ee96U, 0x9e1b9b91U,
418 0x4f80c0c5U, 0xa261dc20U, 0x695a774bU, 0x161c121aU,
419 0x0ae293baU, 0xe5c0a02aU, 0x433c22e0U, 0x1d121b17U,
420 0x0b0e090dU, 0xadf28bc7U, 0xb92db6a8U, 0xc8141ea9U,
421 0x8557f119U, 0x4caf7507U, 0xbbee99ddU, 0xfda37f60U,
422 0x9ff70126U, 0xbc5c72f5U, 0xc544663bU, 0x345bfb7eU,
423 0x768b4329U, 0xdccb23c6U, 0x68b6edfcU, 0x63b8e4f1U,
424 0xcad731dcU, 0x10426385U, 0x40139722U, 0x2084c611U,
425 0x7d854a24U, 0xf8d2bb3dU, 0x11aef932U, 0x6dc729a1U,
426 0x4b1d9e2fU, 0xf3dcb230U, 0xec0d8652U, 0xd077c1e3U,
427 0x6c2bb316U, 0x99a970b9U, 0xfa119448U, 0x2247e964U,
428 0xc4a8fc8cU, 0x1aa0f03fU, 0xd8567d2cU, 0xef223390U,
429 0xc787494eU, 0xc1d938d1U, 0xfe8ccaa2U, 0x3698d40bU,
430 0xcfa6f581U, 0x28a57adeU, 0x26dab78eU, 0xa43fadbfU,
431 0xe42c3a9dU, 0x0d507892U, 0x9b6a5fccU, 0x62547e46U,
432 0xc2f68d13U, 0xe890d8b8U, 0x5e2e39f7U, 0xf582c3afU,
433 0xbe9f5d80U, 0x7c69d093U, 0xa96fd52dU, 0xb3cf2512U,
434 0x3bc8ac99U, 0xa710187dU, 0x6ee89c63U, 0x7bdb3bbbU,
435 0x09cd2678U, 0xf46e5918U, 0x01ec9ab7U, 0xa8834f9aU,
436 0x65e6956eU, 0x7eaaffe6U, 0x0821bccfU, 0xe6ef15e8U,
437 0xd9bae79bU, 0xce4a6f36U, 0xd4ea9f09U, 0xd629b07cU,
438 0xaf31a4b2U, 0x312a3f23U, 0x30c6a594U, 0xc035a266U,
439 0x37744ebcU, 0xa6fc82caU, 0xb0e090d0U, 0x1533a7d8U,
440 0x4af10498U, 0xf741ecdaU, 0x0e7fcd50U, 0x2f1791f6U,
441 0x8d764dd6U, 0x4d43efb0U, 0x54ccaa4dU, 0xdfe49604U,
442 0xe39ed1b5U, 0x1b4c6a88U, 0xb8c12c1fU, 0x7f466551U,
443 0x049d5eeaU, 0x5d018c35U, 0x73fa8774U, 0x2efb0b41U,
444 0x5ab3671dU, 0x5292dbd2U, 0x33e91056U, 0x136dd647U,
445 0x8c9ad761U, 0x7a37a10cU, 0x8e59f814U, 0x89eb133cU,
446 0xeecea927U, 0x35b761c9U, 0xede11ce5U, 0x3c7a47b1U,
447 0x599cd2dfU, 0x3f55f273U, 0x791814ceU, 0xbf73c737U,
448 0xea53f7cdU, 0x5b5ffdaaU, 0x14df3d6fU, 0x867844dbU,
449 0x81caaff3U, 0x3eb968c4U, 0x2c382434U, 0x5fc2a340U,
450 0x72161dc3U, 0x0cbce225U, 0x8b283c49U, 0x41ff0d95U,
451 0x7139a801U, 0xde080cb3U, 0x9cd8b4e4U, 0x906456c1U,
452 0x617bcb84U, 0x70d532b6U, 0x74486c5cU, 0x42d0b857U,
453 };
454 static const u32 Td2[256] = {
455 0xa75051f4U, 0x65537e41U, 0xa4c31a17U, 0x5e963a27U,
456 0x6bcb3babU, 0x45f11f9dU, 0x58abacfaU, 0x03934be3U,
457 0xfa552030U, 0x6df6ad76U, 0x769188ccU, 0x4c25f502U,
458 0xd7fc4fe5U, 0xcbd7c52aU, 0x44802635U, 0xa38fb562U,
459 0x5a49deb1U, 0x1b6725baU, 0x0e9845eaU, 0xc0e15dfeU,
460 0x7502c32fU, 0xf012814cU, 0x97a38d46U, 0xf9c66bd3U,
461 0x5fe7038fU, 0x9c951592U, 0x7aebbf6dU, 0x59da9552U,
462 0x832dd4beU, 0x21d35874U, 0x692949e0U, 0xc8448ec9U,
463 0x896a75c2U, 0x7978f48eU, 0x3e6b9958U, 0x71dd27b9U,
464 0x4fb6bee1U, 0xad17f088U, 0xac66c920U, 0x3ab47dceU,
465 0x4a1863dfU, 0x3182e51aU, 0x33609751U, 0x7f456253U,
466 0x77e0b164U, 0xae84bb6bU, 0xa01cfe81U, 0x2b94f908U,
467 0x68587048U, 0xfd198f45U, 0x6c8794deU, 0xf8b7527bU,
468 0xd323ab73U, 0x02e2724bU, 0x8f57e31fU, 0xab2a6655U,
469 0x2807b2ebU, 0xc2032fb5U, 0x7b9a86c5U, 0x08a5d337U,
470 0x87f23028U, 0xa5b223bfU, 0x6aba0203U, 0x825ced16U,
471 0x1c2b8acfU, 0xb492a779U, 0xf2f0f307U, 0xe2a14e69U,
472 0xf4cd65daU, 0xbed50605U, 0x621fd134U, 0xfe8ac4a6U,
473 0x539d342eU, 0x55a0a2f3U, 0xe132058aU, 0xeb75a4f6U,
474 0xec390b83U, 0xefaa4060U, 0x9f065e71U, 0x1051bd6eU,
475 0x8af93e21U, 0x063d96ddU, 0x05aedd3eU, 0xbd464de6U,
476 0x8db59154U, 0x5d0571c4U, 0xd46f0406U, 0x15ff6050U,
477 0xfb241998U, 0xe997d6bdU, 0x43cc8940U, 0x9e7767d9U,
478 0x42bdb0e8U, 0x8b880789U, 0x5b38e719U, 0xeedb79c8U,
479 0x0a47a17cU, 0x0fe97c42U, 0x1ec9f884U, 0x00000000U,
480 0x86830980U, 0xed48322bU, 0x70ac1e11U, 0x724e6c5aU,
481 0xfffbfd0eU, 0x38560f85U, 0xd51e3daeU, 0x3927362dU,
482 0xd9640a0fU, 0xa621685cU, 0x54d19b5bU, 0x2e3a2436U,
483 0x67b10c0aU, 0xe70f9357U, 0x96d2b4eeU, 0x919e1b9bU,
484 0xc54f80c0U, 0x20a261dcU, 0x4b695a77U, 0x1a161c12U,
485 0xba0ae293U, 0x2ae5c0a0U, 0xe0433c22U, 0x171d121bU,
486 0x0d0b0e09U, 0xc7adf28bU, 0xa8b92db6U, 0xa9c8141eU,
487 0x198557f1U, 0x074caf75U, 0xddbbee99U, 0x60fda37fU,
488 0x269ff701U, 0xf5bc5c72U, 0x3bc54466U, 0x7e345bfbU,
489 0x29768b43U, 0xc6dccb23U, 0xfc68b6edU, 0xf163b8e4U,
490 0xdccad731U, 0x85104263U, 0x22401397U, 0x112084c6U,
491 0x247d854aU, 0x3df8d2bbU, 0x3211aef9U, 0xa16dc729U,
492 0x2f4b1d9eU, 0x30f3dcb2U, 0x52ec0d86U, 0xe3d077c1U,
493 0x166c2bb3U, 0xb999a970U, 0x48fa1194U, 0x642247e9U,
494 0x8cc4a8fcU, 0x3f1aa0f0U, 0x2cd8567dU, 0x90ef2233U,
495 0x4ec78749U, 0xd1c1d938U, 0xa2fe8ccaU, 0x0b3698d4U,
496 0x81cfa6f5U, 0xde28a57aU, 0x8e26dab7U, 0xbfa43fadU,
497 0x9de42c3aU, 0x920d5078U, 0xcc9b6a5fU, 0x4662547eU,
498 0x13c2f68dU, 0xb8e890d8U, 0xf75e2e39U, 0xaff582c3U,
499 0x80be9f5dU, 0x937c69d0U, 0x2da96fd5U, 0x12b3cf25U,
500 0x993bc8acU, 0x7da71018U, 0x636ee89cU, 0xbb7bdb3bU,
501 0x7809cd26U, 0x18f46e59U, 0xb701ec9aU, 0x9aa8834fU,
502 0x6e65e695U, 0xe67eaaffU, 0xcf0821bcU, 0xe8e6ef15U,
503 0x9bd9bae7U, 0x36ce4a6fU, 0x09d4ea9fU, 0x7cd629b0U,
504 0xb2af31a4U, 0x23312a3fU, 0x9430c6a5U, 0x66c035a2U,
505 0xbc37744eU, 0xcaa6fc82U, 0xd0b0e090U, 0xd81533a7U,
506 0x984af104U, 0xdaf741ecU, 0x500e7fcdU, 0xf62f1791U,
507 0xd68d764dU, 0xb04d43efU, 0x4d54ccaaU, 0x04dfe496U,
508 0xb5e39ed1U, 0x881b4c6aU, 0x1fb8c12cU, 0x517f4665U,
509 0xea049d5eU, 0x355d018cU, 0x7473fa87U, 0x412efb0bU,
510 0x1d5ab367U, 0xd25292dbU, 0x5633e910U, 0x47136dd6U,
511 0x618c9ad7U, 0x0c7a37a1U, 0x148e59f8U, 0x3c89eb13U,
512 0x27eecea9U, 0xc935b761U, 0xe5ede11cU, 0xb13c7a47U,
513 0xdf599cd2U, 0x733f55f2U, 0xce791814U, 0x37bf73c7U,
514 0xcdea53f7U, 0xaa5b5ffdU, 0x6f14df3dU, 0xdb867844U,
515 0xf381caafU, 0xc43eb968U, 0x342c3824U, 0x405fc2a3U,
516 0xc372161dU, 0x250cbce2U, 0x498b283cU, 0x9541ff0dU,
517 0x017139a8U, 0xb3de080cU, 0xe49cd8b4U, 0xc1906456U,
518 0x84617bcbU, 0xb670d532U, 0x5c74486cU, 0x5742d0b8U,
519 };
520 static const u32 Td3[256] = {
521 0xf4a75051U, 0x4165537eU, 0x17a4c31aU, 0x275e963aU,
522 0xab6bcb3bU, 0x9d45f11fU, 0xfa58abacU, 0xe303934bU,
523 0x30fa5520U, 0x766df6adU, 0xcc769188U, 0x024c25f5U,
524 0xe5d7fc4fU, 0x2acbd7c5U, 0x35448026U, 0x62a38fb5U,
525 0xb15a49deU, 0xba1b6725U, 0xea0e9845U, 0xfec0e15dU,
526 0x2f7502c3U, 0x4cf01281U, 0x4697a38dU, 0xd3f9c66bU,
527 0x8f5fe703U, 0x929c9515U, 0x6d7aebbfU, 0x5259da95U,
528 0xbe832dd4U, 0x7421d358U, 0xe0692949U, 0xc9c8448eU,
529 0xc2896a75U, 0x8e7978f4U, 0x583e6b99U, 0xb971dd27U,
530 0xe14fb6beU, 0x88ad17f0U, 0x20ac66c9U, 0xce3ab47dU,
531 0xdf4a1863U, 0x1a3182e5U, 0x51336097U, 0x537f4562U,
532 0x6477e0b1U, 0x6bae84bbU, 0x81a01cfeU, 0x082b94f9U,
533 0x48685870U, 0x45fd198fU, 0xde6c8794U, 0x7bf8b752U,
534 0x73d323abU, 0x4b02e272U, 0x1f8f57e3U, 0x55ab2a66U,
535 0xeb2807b2U, 0xb5c2032fU, 0xc57b9a86U, 0x3708a5d3U,
536 0x2887f230U, 0xbfa5b223U, 0x036aba02U, 0x16825cedU,
537 0xcf1c2b8aU, 0x79b492a7U, 0x07f2f0f3U, 0x69e2a14eU,
538 0xdaf4cd65U, 0x05bed506U, 0x34621fd1U, 0xa6fe8ac4U,
539 0x2e539d34U, 0xf355a0a2U, 0x8ae13205U, 0xf6eb75a4U,
540 0x83ec390bU, 0x60efaa40U, 0x719f065eU, 0x6e1051bdU,
541 0x218af93eU, 0xdd063d96U, 0x3e05aeddU, 0xe6bd464dU,
542 0x548db591U, 0xc45d0571U, 0x06d46f04U, 0x5015ff60U,
543 0x98fb2419U, 0xbde997d6U, 0x4043cc89U, 0xd99e7767U,
544 0xe842bdb0U, 0x898b8807U, 0x195b38e7U, 0xc8eedb79U,
545 0x7c0a47a1U, 0x420fe97cU, 0x841ec9f8U, 0x00000000U,
546 0x80868309U, 0x2bed4832U, 0x1170ac1eU, 0x5a724e6cU,
547 0x0efffbfdU, 0x8538560fU, 0xaed51e3dU, 0x2d392736U,
548 0x0fd9640aU, 0x5ca62168U, 0x5b54d19bU, 0x362e3a24U,
549 0x0a67b10cU, 0x57e70f93U, 0xee96d2b4U, 0x9b919e1bU,
550 0xc0c54f80U, 0xdc20a261U, 0x774b695aU, 0x121a161cU,
551 0x93ba0ae2U, 0xa02ae5c0U, 0x22e0433cU, 0x1b171d12U,
552 0x090d0b0eU, 0x8bc7adf2U, 0xb6a8b92dU, 0x1ea9c814U,
553 0xf1198557U, 0x75074cafU, 0x99ddbbeeU, 0x7f60fda3U,
554 0x01269ff7U, 0x72f5bc5cU, 0x663bc544U, 0xfb7e345bU,
555 0x4329768bU, 0x23c6dccbU, 0xedfc68b6U, 0xe4f163b8U,
556 0x31dccad7U, 0x63851042U, 0x97224013U, 0xc6112084U,
557 0x4a247d85U, 0xbb3df8d2U, 0xf93211aeU, 0x29a16dc7U,
558 0x9e2f4b1dU, 0xb230f3dcU, 0x8652ec0dU, 0xc1e3d077U,
559 0xb3166c2bU, 0x70b999a9U, 0x9448fa11U, 0xe9642247U,
560 0xfc8cc4a8U, 0xf03f1aa0U, 0x7d2cd856U, 0x3390ef22U,
561 0x494ec787U, 0x38d1c1d9U, 0xcaa2fe8cU, 0xd40b3698U,
562 0xf581cfa6U, 0x7ade28a5U, 0xb78e26daU, 0xadbfa43fU,
563 0x3a9de42cU, 0x78920d50U, 0x5fcc9b6aU, 0x7e466254U,
564 0x8d13c2f6U, 0xd8b8e890U, 0x39f75e2eU, 0xc3aff582U,
565 0x5d80be9fU, 0xd0937c69U, 0xd52da96fU, 0x2512b3cfU,
566 0xac993bc8U, 0x187da710U, 0x9c636ee8U, 0x3bbb7bdbU,
567 0x267809cdU, 0x5918f46eU, 0x9ab701ecU, 0x4f9aa883U,
568 0x956e65e6U, 0xffe67eaaU, 0xbccf0821U, 0x15e8e6efU,
569 0xe79bd9baU, 0x6f36ce4aU, 0x9f09d4eaU, 0xb07cd629U,
570 0xa4b2af31U, 0x3f23312aU, 0xa59430c6U, 0xa266c035U,
571 0x4ebc3774U, 0x82caa6fcU, 0x90d0b0e0U, 0xa7d81533U,
572 0x04984af1U, 0xecdaf741U, 0xcd500e7fU, 0x91f62f17U,
573 0x4dd68d76U, 0xefb04d43U, 0xaa4d54ccU, 0x9604dfe4U,
574 0xd1b5e39eU, 0x6a881b4cU, 0x2c1fb8c1U, 0x65517f46U,
575 0x5eea049dU, 0x8c355d01U, 0x877473faU, 0x0b412efbU,
576 0x671d5ab3U, 0xdbd25292U, 0x105633e9U, 0xd647136dU,
577 0xd7618c9aU, 0xa10c7a37U, 0xf8148e59U, 0x133c89ebU,
578 0xa927eeceU, 0x61c935b7U, 0x1ce5ede1U, 0x47b13c7aU,
579 0xd2df599cU, 0xf2733f55U, 0x14ce7918U, 0xc737bf73U,
580 0xf7cdea53U, 0xfdaa5b5fU, 0x3d6f14dfU, 0x44db8678U,
581 0xaff381caU, 0x68c43eb9U, 0x24342c38U, 0xa3405fc2U,
582 0x1dc37216U, 0xe2250cbcU, 0x3c498b28U, 0x0d9541ffU,
583 0xa8017139U, 0x0cb3de08U, 0xb4e49cd8U, 0x56c19064U,
584 0xcb84617bU, 0x32b670d5U, 0x6c5c7448U, 0xb85742d0U,
585 };
586 #endif
587
588 #if !defined(HAVE_AES_ENCRYPT_INTERNAL) || \
589 !defined(HAVE_AES_DECRYPT_INTERNAL)
590 static const u8 Td4[256] = {
591 0x52U, 0x09U, 0x6aU, 0xd5U, 0x30U, 0x36U, 0xa5U, 0x38U,
592 0xbfU, 0x40U, 0xa3U, 0x9eU, 0x81U, 0xf3U, 0xd7U, 0xfbU,
593 0x7cU, 0xe3U, 0x39U, 0x82U, 0x9bU, 0x2fU, 0xffU, 0x87U,
594 0x34U, 0x8eU, 0x43U, 0x44U, 0xc4U, 0xdeU, 0xe9U, 0xcbU,
595 0x54U, 0x7bU, 0x94U, 0x32U, 0xa6U, 0xc2U, 0x23U, 0x3dU,
596 0xeeU, 0x4cU, 0x95U, 0x0bU, 0x42U, 0xfaU, 0xc3U, 0x4eU,
597 0x08U, 0x2eU, 0xa1U, 0x66U, 0x28U, 0xd9U, 0x24U, 0xb2U,
598 0x76U, 0x5bU, 0xa2U, 0x49U, 0x6dU, 0x8bU, 0xd1U, 0x25U,
599 0x72U, 0xf8U, 0xf6U, 0x64U, 0x86U, 0x68U, 0x98U, 0x16U,
600 0xd4U, 0xa4U, 0x5cU, 0xccU, 0x5dU, 0x65U, 0xb6U, 0x92U,
601 0x6cU, 0x70U, 0x48U, 0x50U, 0xfdU, 0xedU, 0xb9U, 0xdaU,
602 0x5eU, 0x15U, 0x46U, 0x57U, 0xa7U, 0x8dU, 0x9dU, 0x84U,
603 0x90U, 0xd8U, 0xabU, 0x00U, 0x8cU, 0xbcU, 0xd3U, 0x0aU,
604 0xf7U, 0xe4U, 0x58U, 0x05U, 0xb8U, 0xb3U, 0x45U, 0x06U,
605 0xd0U, 0x2cU, 0x1eU, 0x8fU, 0xcaU, 0x3fU, 0x0fU, 0x02U,
606 0xc1U, 0xafU, 0xbdU, 0x03U, 0x01U, 0x13U, 0x8aU, 0x6bU,
607 0x3aU, 0x91U, 0x11U, 0x41U, 0x4fU, 0x67U, 0xdcU, 0xeaU,
608 0x97U, 0xf2U, 0xcfU, 0xceU, 0xf0U, 0xb4U, 0xe6U, 0x73U,
609 0x96U, 0xacU, 0x74U, 0x22U, 0xe7U, 0xadU, 0x35U, 0x85U,
610 0xe2U, 0xf9U, 0x37U, 0xe8U, 0x1cU, 0x75U, 0xdfU, 0x6eU,
611 0x47U, 0xf1U, 0x1aU, 0x71U, 0x1dU, 0x29U, 0xc5U, 0x89U,
612 0x6fU, 0xb7U, 0x62U, 0x0eU, 0xaaU, 0x18U, 0xbeU, 0x1bU,
613 0xfcU, 0x56U, 0x3eU, 0x4bU, 0xc6U, 0xd2U, 0x79U, 0x20U,
614 0x9aU, 0xdbU, 0xc0U, 0xfeU, 0x78U, 0xcdU, 0x5aU, 0xf4U,
615 0x1fU, 0xddU, 0xa8U, 0x33U, 0x88U, 0x07U, 0xc7U, 0x31U,
616 0xb1U, 0x12U, 0x10U, 0x59U, 0x27U, 0x80U, 0xecU, 0x5fU,
617 0x60U, 0x51U, 0x7fU, 0xa9U, 0x19U, 0xb5U, 0x4aU, 0x0dU,
618 0x2dU, 0xe5U, 0x7aU, 0x9fU, 0x93U, 0xc9U, 0x9cU, 0xefU,
619 0xa0U, 0xe0U, 0x3bU, 0x4dU, 0xaeU, 0x2aU, 0xf5U, 0xb0U,
620 0xc8U, 0xebU, 0xbbU, 0x3cU, 0x83U, 0x53U, 0x99U, 0x61U,
621 0x17U, 0x2bU, 0x04U, 0x7eU, 0xbaU, 0x77U, 0xd6U, 0x26U,
622 0xe1U, 0x69U, 0x14U, 0x63U, 0x55U, 0x21U, 0x0cU, 0x7dU,
623 };
624 #endif
625
626 #if !defined(HAVE_AES_SET_ENCRYPT_KEY_INTERNAL) || \
627 !defined(HAVE_AES_SET_DECRYPT_KEY_INTERNAL)
628 static const u32 rcon[] = {
629 0x01000000, 0x02000000, 0x04000000, 0x08000000,
630 0x10000000, 0x20000000, 0x40000000, 0x80000000,
631 0x1B000000, 0x36000000, /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */
632 };
633 #endif
634
635 #ifdef HAVE_AES_SET_ENCRYPT_KEY_INTERNAL
636 int aes_set_encrypt_key_internal(const unsigned char *userKey, const int bits,
637 AES_KEY *key);
638
639 #else
640
641 /*
642 * Expand the cipher key into the encryption key schedule.
643 */
644 static inline int
aes_set_encrypt_key_internal(const unsigned char * userKey,const int bits,AES_KEY * key)645 aes_set_encrypt_key_internal(const unsigned char *userKey, const int bits,
646 AES_KEY *key)
647 {
648 u32 *rk;
649 int i = 0;
650 u32 temp;
651
652 if (!userKey || !key)
653 return -1;
654 if (bits != 128 && bits != 192 && bits != 256)
655 return -2;
656
657 rk = key->rd_key;
658
659 if (bits == 128)
660 key->rounds = 10;
661 else if (bits == 192)
662 key->rounds = 12;
663 else
664 key->rounds = 14;
665
666 rk[0] = crypto_load_be32toh(&userKey[0 * 4]);
667 rk[1] = crypto_load_be32toh(&userKey[1 * 4]);
668 rk[2] = crypto_load_be32toh(&userKey[2 * 4]);
669 rk[3] = crypto_load_be32toh(&userKey[3 * 4]);
670 if (bits == 128) {
671 while (1) {
672 temp = rk[3];
673 rk[4] = rk[0] ^
674 (Te2[(temp >> 16) & 0xff] & 0xff000000) ^
675 (Te3[(temp >> 8) & 0xff] & 0x00ff0000) ^
676 (Te0[(temp) & 0xff] & 0x0000ff00) ^
677 (Te1[(temp >> 24)] & 0x000000ff) ^
678 rcon[i];
679 rk[5] = rk[1] ^ rk[4];
680 rk[6] = rk[2] ^ rk[5];
681 rk[7] = rk[3] ^ rk[6];
682 if (++i == 10) {
683 return 0;
684 }
685 rk += 4;
686 }
687 }
688 rk[4] = crypto_load_be32toh(&userKey[4 * 4]);
689 rk[5] = crypto_load_be32toh(&userKey[5 * 4]);
690 if (bits == 192) {
691 while (1) {
692 temp = rk[5];
693 rk[6] = rk[ 0] ^
694 (Te2[(temp >> 16) & 0xff] & 0xff000000) ^
695 (Te3[(temp >> 8) & 0xff] & 0x00ff0000) ^
696 (Te0[(temp) & 0xff] & 0x0000ff00) ^
697 (Te1[(temp >> 24)] & 0x000000ff) ^
698 rcon[i];
699 rk[7] = rk[1] ^ rk[6];
700 rk[8] = rk[2] ^ rk[7];
701 rk[9] = rk[3] ^ rk[8];
702 if (++i == 8) {
703 return 0;
704 }
705 rk[10] = rk[4] ^ rk[9];
706 rk[11] = rk[5] ^ rk[10];
707 rk += 6;
708 }
709 }
710 rk[6] = crypto_load_be32toh(&userKey[6 * 4]);
711 rk[7] = crypto_load_be32toh(&userKey[7 * 4]);
712 if (bits == 256) {
713 while (1) {
714 temp = rk[7];
715 rk[8] = rk[0] ^
716 (Te2[(temp >> 16) & 0xff] & 0xff000000) ^
717 (Te3[(temp >> 8) & 0xff] & 0x00ff0000) ^
718 (Te0[(temp) & 0xff] & 0x0000ff00) ^
719 (Te1[(temp >> 24)] & 0x000000ff) ^
720 rcon[i];
721 rk[9] = rk[1] ^ rk[8];
722 rk[10] = rk[2] ^ rk[9];
723 rk[11] = rk[3] ^ rk[10];
724 if (++i == 7) {
725 return 0;
726 }
727 temp = rk[11];
728 rk[12] = rk[4] ^
729 (Te2[(temp >> 24)] & 0xff000000) ^
730 (Te3[(temp >> 16) & 0xff] & 0x00ff0000) ^
731 (Te0[(temp >> 8) & 0xff] & 0x0000ff00) ^
732 (Te1[(temp) & 0xff] & 0x000000ff);
733 rk[13] = rk[5] ^ rk[12];
734 rk[14] = rk[6] ^ rk[13];
735 rk[15] = rk[7] ^ rk[14];
736
737 rk += 8;
738 }
739 }
740 return 0;
741 }
742 #endif
743
744 int
AES_set_encrypt_key(const unsigned char * userKey,const int bits,AES_KEY * key)745 AES_set_encrypt_key(const unsigned char *userKey, const int bits, AES_KEY *key)
746 {
747 return aes_set_encrypt_key_internal(userKey, bits, key);
748 }
749 LCRYPTO_ALIAS(AES_set_encrypt_key);
750
751 #ifdef HAVE_AES_SET_DECRYPT_KEY_INTERNAL
752 int aes_set_decrypt_key_internal(const unsigned char *userKey, const int bits,
753 AES_KEY *key);
754
755 #else
756 /*
757 * Expand the cipher key into the decryption key schedule.
758 */
759 static inline int
aes_set_decrypt_key_internal(const unsigned char * userKey,const int bits,AES_KEY * key)760 aes_set_decrypt_key_internal(const unsigned char *userKey, const int bits,
761 AES_KEY *key)
762 {
763 u32 *rk;
764 int i, j, status;
765 u32 temp;
766
767 /* first, start with an encryption schedule */
768 status = AES_set_encrypt_key(userKey, bits, key);
769 if (status < 0)
770 return status;
771
772 rk = key->rd_key;
773
774 /* invert the order of the round keys: */
775 for (i = 0, j = 4 * (key->rounds); i < j; i += 4, j -= 4) {
776 temp = rk[i];
777 rk[i] = rk[j];
778 rk[j] = temp;
779 temp = rk[i + 1];
780 rk[i + 1] = rk[j + 1];
781 rk[j + 1] = temp;
782 temp = rk[i + 2];
783 rk[i + 2] = rk[j + 2];
784 rk[j + 2] = temp;
785 temp = rk[i + 3];
786 rk[i + 3] = rk[j + 3];
787 rk[j + 3] = temp;
788 }
789 /* apply the inverse MixColumn transform to all round keys but the first and the last: */
790 for (i = 1; i < (key->rounds); i++) {
791 rk += 4;
792 rk[0] =
793 Td0[Te1[(rk[0] >> 24)] & 0xff] ^
794 Td1[Te1[(rk[0] >> 16) & 0xff] & 0xff] ^
795 Td2[Te1[(rk[0] >> 8) & 0xff] & 0xff] ^
796 Td3[Te1[(rk[0]) & 0xff] & 0xff];
797 rk[1] =
798 Td0[Te1[(rk[1] >> 24)] & 0xff] ^
799 Td1[Te1[(rk[1] >> 16) & 0xff] & 0xff] ^
800 Td2[Te1[(rk[1] >> 8) & 0xff] & 0xff] ^
801 Td3[Te1[(rk[1]) & 0xff] & 0xff];
802 rk[2] =
803 Td0[Te1[(rk[2] >> 24)] & 0xff] ^
804 Td1[Te1[(rk[2] >> 16) & 0xff] & 0xff] ^
805 Td2[Te1[(rk[2] >> 8) & 0xff] & 0xff] ^
806 Td3[Te1[(rk[2]) & 0xff] & 0xff];
807 rk[3] =
808 Td0[Te1[(rk[3] >> 24)] & 0xff] ^
809 Td1[Te1[(rk[3] >> 16) & 0xff] & 0xff] ^
810 Td2[Te1[(rk[3] >> 8) & 0xff] & 0xff] ^
811 Td3[Te1[(rk[3]) & 0xff] & 0xff];
812 }
813 return 0;
814 }
815 #endif
816
817 int
AES_set_decrypt_key(const unsigned char * userKey,const int bits,AES_KEY * key)818 AES_set_decrypt_key(const unsigned char *userKey, const int bits, AES_KEY *key)
819 {
820 return aes_set_decrypt_key_internal(userKey, bits, key);
821 }
822 LCRYPTO_ALIAS(AES_set_decrypt_key);
823
824 #ifdef HAVE_AES_ENCRYPT_INTERNAL
825 void aes_encrypt_internal(const unsigned char *in, unsigned char *out,
826 const AES_KEY *key);
827
828 #else
829 /*
830 * Encrypt a single block - in and out can overlap.
831 */
832 static inline void
aes_encrypt_internal(const unsigned char * in,unsigned char * out,const AES_KEY * key)833 aes_encrypt_internal(const unsigned char *in, unsigned char *out,
834 const AES_KEY *key)
835 {
836 const u32 *rk;
837 u32 s0, s1, s2, s3, t0, t1, t2, t3;
838 #ifndef FULL_UNROLL
839 int r;
840 #endif /* ?FULL_UNROLL */
841
842 rk = key->rd_key;
843
844 /*
845 * map byte array block to cipher state
846 * and add initial round key:
847 */
848 s0 = crypto_load_be32toh(&in[0 * 4]) ^ rk[0];
849 s1 = crypto_load_be32toh(&in[1 * 4]) ^ rk[1];
850 s2 = crypto_load_be32toh(&in[2 * 4]) ^ rk[2];
851 s3 = crypto_load_be32toh(&in[3 * 4]) ^ rk[3];
852 #ifdef FULL_UNROLL
853 /* round 1: */
854 t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[ 4];
855 t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[ 5];
856 t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[ 6];
857 t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[ 7];
858 /* round 2: */
859 s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[ 8];
860 s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[ 9];
861 s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[10];
862 s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[11];
863 /* round 3: */
864 t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[12];
865 t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[13];
866 t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[14];
867 t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[15];
868 /* round 4: */
869 s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[16];
870 s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[17];
871 s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[18];
872 s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[19];
873 /* round 5: */
874 t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[20];
875 t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[21];
876 t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[22];
877 t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[23];
878 /* round 6: */
879 s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[24];
880 s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[25];
881 s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[26];
882 s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[27];
883 /* round 7: */
884 t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[28];
885 t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[29];
886 t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[30];
887 t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[31];
888 /* round 8: */
889 s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[32];
890 s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[33];
891 s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[34];
892 s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[35];
893 /* round 9: */
894 t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[36];
895 t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[37];
896 t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[38];
897 t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[39];
898 if (key->rounds > 10) {
899 /* round 10: */
900 s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[40];
901 s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[41];
902 s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[42];
903 s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[43];
904 /* round 11: */
905 t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[44];
906 t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[45];
907 t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[46];
908 t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[47];
909 if (key->rounds > 12) {
910 /* round 12: */
911 s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[48];
912 s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[49];
913 s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[50];
914 s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[51];
915 /* round 13: */
916 t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[52];
917 t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[53];
918 t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[54];
919 t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[55];
920 }
921 }
922 rk += key->rounds << 2;
923 #else /* !FULL_UNROLL */
924 /*
925 * Nr - 1 full rounds:
926 */
927 r = key->rounds >> 1;
928 for (;;) {
929 t0 =
930 Te0[(s0 >> 24)] ^
931 Te1[(s1 >> 16) & 0xff] ^
932 Te2[(s2 >> 8) & 0xff] ^
933 Te3[(s3) & 0xff] ^
934 rk[4];
935 t1 =
936 Te0[(s1 >> 24)] ^
937 Te1[(s2 >> 16) & 0xff] ^
938 Te2[(s3 >> 8) & 0xff] ^
939 Te3[(s0) & 0xff] ^
940 rk[5];
941 t2 =
942 Te0[(s2 >> 24)] ^
943 Te1[(s3 >> 16) & 0xff] ^
944 Te2[(s0 >> 8) & 0xff] ^
945 Te3[(s1) & 0xff] ^
946 rk[6];
947 t3 =
948 Te0[(s3 >> 24)] ^
949 Te1[(s0 >> 16) & 0xff] ^
950 Te2[(s1 >> 8) & 0xff] ^
951 Te3[(s2) & 0xff] ^
952 rk[7];
953
954 rk += 8;
955 if (--r == 0) {
956 break;
957 }
958
959 s0 =
960 Te0[(t0 >> 24)] ^
961 Te1[(t1 >> 16) & 0xff] ^
962 Te2[(t2 >> 8) & 0xff] ^
963 Te3[(t3) & 0xff] ^
964 rk[0];
965 s1 =
966 Te0[(t1 >> 24)] ^
967 Te1[(t2 >> 16) & 0xff] ^
968 Te2[(t3 >> 8) & 0xff] ^
969 Te3[(t0) & 0xff] ^
970 rk[1];
971 s2 =
972 Te0[(t2 >> 24)] ^
973 Te1[(t3 >> 16) & 0xff] ^
974 Te2[(t0 >> 8) & 0xff] ^
975 Te3[(t1) & 0xff] ^
976 rk[2];
977 s3 =
978 Te0[(t3 >> 24)] ^
979 Te1[(t0 >> 16) & 0xff] ^
980 Te2[(t1 >> 8) & 0xff] ^
981 Te3[(t2) & 0xff] ^
982 rk[3];
983 }
984 #endif /* ?FULL_UNROLL */
985 /*
986 * apply last round and
987 * map cipher state to byte array block:
988 */
989 s0 =
990 (Te2[(t0 >> 24)] & 0xff000000) ^
991 (Te3[(t1 >> 16) & 0xff] & 0x00ff0000) ^
992 (Te0[(t2 >> 8) & 0xff] & 0x0000ff00) ^
993 (Te1[(t3) & 0xff] & 0x000000ff) ^
994 rk[0];
995 crypto_store_htobe32(&out[0 * 4], s0);
996 s1 =
997 (Te2[(t1 >> 24)] & 0xff000000) ^
998 (Te3[(t2 >> 16) & 0xff] & 0x00ff0000) ^
999 (Te0[(t3 >> 8) & 0xff] & 0x0000ff00) ^
1000 (Te1[(t0) & 0xff] & 0x000000ff) ^
1001 rk[1];
1002 crypto_store_htobe32(&out[1 * 4], s1);
1003 s2 =
1004 (Te2[(t2 >> 24)] & 0xff000000) ^
1005 (Te3[(t3 >> 16) & 0xff] & 0x00ff0000) ^
1006 (Te0[(t0 >> 8) & 0xff] & 0x0000ff00) ^
1007 (Te1[(t1) & 0xff] & 0x000000ff) ^
1008 rk[2];
1009 crypto_store_htobe32(&out[2 * 4], s2);
1010 s3 =
1011 (Te2[(t3 >> 24)] & 0xff000000) ^
1012 (Te3[(t0 >> 16) & 0xff] & 0x00ff0000) ^
1013 (Te0[(t1 >> 8) & 0xff] & 0x0000ff00) ^
1014 (Te1[(t2) & 0xff] & 0x000000ff) ^
1015 rk[3];
1016 crypto_store_htobe32(&out[3 * 4], s3);
1017 }
1018 #endif
1019
1020 void
AES_encrypt(const unsigned char * in,unsigned char * out,const AES_KEY * key)1021 AES_encrypt(const unsigned char *in, unsigned char *out, const AES_KEY *key)
1022 {
1023 return aes_encrypt_internal(in, out, key);
1024 }
1025 LCRYPTO_ALIAS(AES_encrypt);
1026
1027 #ifdef HAVE_AES_DECRYPT_INTERNAL
1028 void aes_decrypt_internal(const unsigned char *in, unsigned char *out,
1029 const AES_KEY *key);
1030
1031 #else
1032 /*
1033 * Decrypt a single block - in and out can overlap.
1034 */
1035 static inline void
aes_decrypt_internal(const unsigned char * in,unsigned char * out,const AES_KEY * key)1036 aes_decrypt_internal(const unsigned char *in, unsigned char *out,
1037 const AES_KEY *key)
1038 {
1039 const u32 *rk;
1040 u32 s0, s1, s2, s3, t0, t1, t2, t3;
1041 #ifndef FULL_UNROLL
1042 int r;
1043 #endif /* ?FULL_UNROLL */
1044
1045 rk = key->rd_key;
1046
1047 /*
1048 * map byte array block to cipher state
1049 * and add initial round key:
1050 */
1051 s0 = crypto_load_be32toh(&in[0 * 4]) ^ rk[0];
1052 s1 = crypto_load_be32toh(&in[1 * 4]) ^ rk[1];
1053 s2 = crypto_load_be32toh(&in[2 * 4]) ^ rk[2];
1054 s3 = crypto_load_be32toh(&in[3 * 4]) ^ rk[3];
1055 #ifdef FULL_UNROLL
1056 /* round 1: */
1057 t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[ 4];
1058 t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[ 5];
1059 t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[ 6];
1060 t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[ 7];
1061 /* round 2: */
1062 s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[ 8];
1063 s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[ 9];
1064 s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[10];
1065 s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[11];
1066 /* round 3: */
1067 t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[12];
1068 t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[13];
1069 t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[14];
1070 t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[15];
1071 /* round 4: */
1072 s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[16];
1073 s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[17];
1074 s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[18];
1075 s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[19];
1076 /* round 5: */
1077 t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[20];
1078 t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[21];
1079 t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[22];
1080 t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[23];
1081 /* round 6: */
1082 s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[24];
1083 s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[25];
1084 s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[26];
1085 s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[27];
1086 /* round 7: */
1087 t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[28];
1088 t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[29];
1089 t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[30];
1090 t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[31];
1091 /* round 8: */
1092 s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[32];
1093 s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[33];
1094 s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[34];
1095 s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[35];
1096 /* round 9: */
1097 t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[36];
1098 t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[37];
1099 t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[38];
1100 t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[39];
1101 if (key->rounds > 10) {
1102 /* round 10: */
1103 s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[40];
1104 s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[41];
1105 s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[42];
1106 s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[43];
1107 /* round 11: */
1108 t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[44];
1109 t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[45];
1110 t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[46];
1111 t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[47];
1112 if (key->rounds > 12) {
1113 /* round 12: */
1114 s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[48];
1115 s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[49];
1116 s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[50];
1117 s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[51];
1118 /* round 13: */
1119 t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[52];
1120 t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[53];
1121 t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[54];
1122 t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[55];
1123 }
1124 }
1125 rk += key->rounds << 2;
1126 #else /* !FULL_UNROLL */
1127 /*
1128 * Nr - 1 full rounds:
1129 */
1130 r = key->rounds >> 1;
1131 for (;;) {
1132 t0 =
1133 Td0[(s0 >> 24)] ^
1134 Td1[(s3 >> 16) & 0xff] ^
1135 Td2[(s2 >> 8) & 0xff] ^
1136 Td3[(s1) & 0xff] ^
1137 rk[4];
1138 t1 =
1139 Td0[(s1 >> 24)] ^
1140 Td1[(s0 >> 16) & 0xff] ^
1141 Td2[(s3 >> 8) & 0xff] ^
1142 Td3[(s2) & 0xff] ^
1143 rk[5];
1144 t2 =
1145 Td0[(s2 >> 24)] ^
1146 Td1[(s1 >> 16) & 0xff] ^
1147 Td2[(s0 >> 8) & 0xff] ^
1148 Td3[(s3) & 0xff] ^
1149 rk[6];
1150 t3 =
1151 Td0[(s3 >> 24)] ^
1152 Td1[(s2 >> 16) & 0xff] ^
1153 Td2[(s1 >> 8) & 0xff] ^
1154 Td3[(s0) & 0xff] ^
1155 rk[7];
1156
1157 rk += 8;
1158 if (--r == 0) {
1159 break;
1160 }
1161
1162 s0 =
1163 Td0[(t0 >> 24)] ^
1164 Td1[(t3 >> 16) & 0xff] ^
1165 Td2[(t2 >> 8) & 0xff] ^
1166 Td3[(t1) & 0xff] ^
1167 rk[0];
1168 s1 =
1169 Td0[(t1 >> 24)] ^
1170 Td1[(t0 >> 16) & 0xff] ^
1171 Td2[(t3 >> 8) & 0xff] ^
1172 Td3[(t2) & 0xff] ^
1173 rk[1];
1174 s2 =
1175 Td0[(t2 >> 24)] ^
1176 Td1[(t1 >> 16) & 0xff] ^
1177 Td2[(t0 >> 8) & 0xff] ^
1178 Td3[(t3) & 0xff] ^
1179 rk[2];
1180 s3 =
1181 Td0[(t3 >> 24)] ^
1182 Td1[(t2 >> 16) & 0xff] ^
1183 Td2[(t1 >> 8) & 0xff] ^
1184 Td3[(t0) & 0xff] ^
1185 rk[3];
1186 }
1187 #endif /* ?FULL_UNROLL */
1188 /*
1189 * apply last round and
1190 * map cipher state to byte array block:
1191 */
1192 s0 =
1193 (((uint32_t)Td4[(t0 >> 24)]) << 24) ^
1194 (Td4[(t3 >> 16) & 0xff] << 16) ^
1195 (Td4[(t2 >> 8) & 0xff] << 8) ^
1196 (Td4[(t1) & 0xff]) ^
1197 rk[0];
1198 crypto_store_htobe32(&out[0 * 4], s0);
1199 s1 =
1200 (((uint32_t)Td4[(t1 >> 24)]) << 24) ^
1201 (Td4[(t0 >> 16) & 0xff] << 16) ^
1202 (Td4[(t3 >> 8) & 0xff] << 8) ^
1203 (Td4[(t2) & 0xff]) ^
1204 rk[1];
1205 crypto_store_htobe32(&out[1 * 4], s1);
1206 s2 =
1207 (((uint32_t)Td4[(t2 >> 24)]) << 24) ^
1208 (Td4[(t1 >> 16) & 0xff] << 16) ^
1209 (Td4[(t0 >> 8) & 0xff] << 8) ^
1210 (Td4[(t3) & 0xff]) ^
1211 rk[2];
1212 crypto_store_htobe32(&out[2 * 4], s2);
1213 s3 =
1214 (((uint32_t)Td4[(t3 >> 24)]) << 24) ^
1215 (Td4[(t2 >> 16) & 0xff] << 16) ^
1216 (Td4[(t1 >> 8) & 0xff] << 8) ^
1217 (Td4[(t0) & 0xff]) ^
1218 rk[3];
1219 crypto_store_htobe32(&out[3 * 4], s3);
1220 }
1221 #endif
1222
1223 void
AES_decrypt(const unsigned char * in,unsigned char * out,const AES_KEY * key)1224 AES_decrypt(const unsigned char *in, unsigned char *out, const AES_KEY *key)
1225 {
1226 return aes_decrypt_internal(in, out, key);
1227 }
1228 LCRYPTO_ALIAS(AES_decrypt);
1229