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d918d9d1 | 1 | /* |
cb22974d | 2 | * Copyright (c) 2009, 2012 Nicira, Inc. |
d918d9d1 BP |
3 | * |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
5 | * you may not use this file except in compliance with the License. | |
6 | * You may obtain a copy of the License at: | |
7 | * | |
8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
9 | * | |
10 | * Unless required by applicable law or agreed to in writing, software | |
11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
13 | * See the License for the specific language governing permissions and | |
14 | * limitations under the License. | |
15 | */ | |
16 | ||
17 | /* | |
18 | * Based on rijndael.txt by Philip J. Erdelsky, downloaded from | |
19 | * http://www.efgh.com/software/rijndael.htm on September 24, 2009. The | |
20 | * license information there is: "Public domain; no restrictions on use." | |
21 | * The Apache license above applies only to Nicira's modifications to the | |
22 | * original code. | |
23 | */ | |
24 | ||
25 | #include <config.h> | |
26 | ||
27 | #include "aes128.h" | |
28 | ||
d918d9d1 BP |
29 | #include "util.h" |
30 | ||
31 | static const uint32_t Te0[256] = { | |
32 | 0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU, | |
33 | 0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U, | |
34 | 0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU, | |
35 | 0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU, | |
36 | 0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U, | |
37 | 0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU, | |
38 | 0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU, | |
39 | 0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU, | |
40 | 0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU, | |
41 | 0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU, | |
42 | 0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U, | |
43 | 0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU, | |
44 | 0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU, | |
45 | 0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U, | |
46 | 0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU, | |
47 | 0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU, | |
48 | 0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU, | |
49 | 0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU, | |
50 | 0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU, | |
51 | 0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U, | |
52 | 0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU, | |
53 | 0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU, | |
54 | 0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU, | |
55 | 0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU, | |
56 | 0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U, | |
57 | 0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U, | |
58 | 0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U, | |
59 | 0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U, | |
60 | 0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU, | |
61 | 0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U, | |
62 | 0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U, | |
63 | 0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU, | |
64 | 0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU, | |
65 | 0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U, | |
66 | 0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U, | |
67 | 0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U, | |
68 | 0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU, | |
69 | 0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U, | |
70 | 0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU, | |
71 | 0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U, | |
72 | 0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU, | |
73 | 0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U, | |
74 | 0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U, | |
75 | 0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU, | |
76 | 0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U, | |
77 | 0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U, | |
78 | 0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U, | |
79 | 0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U, | |
80 | 0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U, | |
81 | 0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U, | |
82 | 0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U, | |
83 | 0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U, | |
84 | 0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU, | |
85 | 0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U, | |
86 | 0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U, | |
87 | 0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U, | |
88 | 0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U, | |
89 | 0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U, | |
90 | 0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U, | |
91 | 0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU, | |
92 | 0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U, | |
93 | 0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U, | |
94 | 0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U, | |
95 | 0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU, | |
96 | }; | |
97 | ||
98 | static const uint32_t Te1[256] = { | |
99 | 0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU, | |
100 | 0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U, | |
101 | 0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU, | |
102 | 0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U, | |
103 | 0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU, | |
104 | 0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U, | |
105 | 0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU, | |
106 | 0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U, | |
107 | 0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U, | |
108 | 0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU, | |
109 | 0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U, | |
110 | 0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U, | |
111 | 0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U, | |
112 | 0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU, | |
113 | 0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U, | |
114 | 0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U, | |
115 | 0x1b120909U, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU, | |
116 | 0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U, | |
117 | 0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U, | |
118 | 0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U, | |
119 | 0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU, | |
120 | 0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU, | |
121 | 0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U, | |
122 | 0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU, | |
123 | 0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU, | |
124 | 0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U, | |
125 | 0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU, | |
126 | 0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U, | |
127 | 0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, 0x8a058f8fU, | |
128 | 0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U, | |
129 | 0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U, | |
130 | 0x30201010U, 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U, | |
131 | 0x4c81cdcdU, 0x14180c0cU, 0x35261313U, 0x2fc3ececU, | |
132 | 0xe1be5f5fU, 0xa2359797U, 0xcc884444U, 0x392e1717U, | |
133 | 0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU, | |
134 | 0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U, | |
135 | 0xa0c06060U, 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU, | |
136 | 0x66442222U, 0x7e542a2aU, 0xab3b9090U, 0x830b8888U, | |
137 | 0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, 0x3c281414U, | |
138 | 0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU, | |
139 | 0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU, | |
140 | 0xdb924949U, 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU, | |
141 | 0x5d9fc2c2U, 0x6ebdd3d3U, 0xef43acacU, 0xa6c46262U, | |
142 | 0xa8399191U, 0xa4319595U, 0x37d3e4e4U, 0x8bf27979U, | |
143 | 0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU, | |
144 | 0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U, | |
145 | 0xb4d86c6cU, 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU, | |
146 | 0xafca6565U, 0x8ef47a7aU, 0xe947aeaeU, 0x18100808U, | |
147 | 0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, 0x725c2e2eU, | |
148 | 0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U, | |
149 | 0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU, | |
150 | 0xdd964b4bU, 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU, | |
151 | 0x90e07070U, 0x427c3e3eU, 0xc471b5b5U, 0xaacc6666U, | |
152 | 0xd8904848U, 0x05060303U, 0x01f7f6f6U, 0x121c0e0eU, | |
153 | 0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U, | |
154 | 0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU, | |
155 | 0x38d9e1e1U, 0x13ebf8f8U, 0xb32b9898U, 0x33221111U, | |
156 | 0xbbd26969U, 0x70a9d9d9U, 0x89078e8eU, 0xa7339494U, | |
157 | 0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, 0x20c9e9e9U, | |
158 | 0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU, | |
159 | 0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU, | |
160 | 0xda65bfbfU, 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U, | |
161 | 0xc3824141U, 0xb0299999U, 0x775a2d2dU, 0x111e0f0fU, | |
162 | 0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, 0x3a2c1616U, | |
163 | }; | |
164 | ||
165 | static const uint32_t Te2[256] = { | |
166 | 0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU, | |
167 | 0xf20dfff2U, 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U, | |
168 | 0x30506030U, 0x01030201U, 0x67a9ce67U, 0x2b7d562bU, | |
169 | 0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, 0x769aec76U, | |
170 | 0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU, | |
171 | 0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U, | |
172 | 0xadec41adU, 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU, | |
173 | 0x9cbf239cU, 0xa4f753a4U, 0x7296e472U, 0xc05b9bc0U, | |
174 | 0xb7c275b7U, 0xfd1ce1fdU, 0x93ae3d93U, 0x266a4c26U, | |
175 | 0x365a6c36U, 0x3f417e3fU, 0xf702f5f7U, 0xcc4f83ccU, | |
176 | 0x345c6834U, 0xa5f451a5U, 0xe534d1e5U, 0xf108f9f1U, | |
177 | 0x7193e271U, 0xd873abd8U, 0x31536231U, 0x153f2a15U, | |
178 | 0x040c0804U, 0xc75295c7U, 0x23654623U, 0xc35e9dc3U, | |
179 | 0x18283018U, 0x96a13796U, 0x050f0a05U, 0x9ab52f9aU, | |
180 | 0x07090e07U, 0x12362412U, 0x809b1b80U, 0xe23ddfe2U, | |
181 | 0xeb26cdebU, 0x27694e27U, 0xb2cd7fb2U, 0x759fea75U, | |
182 | 0x091b1209U, 0x839e1d83U, 0x2c74582cU, 0x1a2e341aU, | |
183 | 0x1b2d361bU, 0x6eb2dc6eU, 0x5aeeb45aU, 0xa0fb5ba0U, | |
184 | 0x52f6a452U, 0x3b4d763bU, 0xd661b7d6U, 0xb3ce7db3U, | |
185 | 0x297b5229U, 0xe33edde3U, 0x2f715e2fU, 0x84971384U, | |
186 | 0x53f5a653U, 0xd168b9d1U, 0x00000000U, 0xed2cc1edU, | |
187 | 0x20604020U, 0xfc1fe3fcU, 0xb1c879b1U, 0x5bedb65bU, | |
188 | 0x6abed46aU, 0xcb468dcbU, 0xbed967beU, 0x394b7239U, | |
189 | 0x4ade944aU, 0x4cd4984cU, 0x58e8b058U, 0xcf4a85cfU, | |
190 | 0xd06bbbd0U, 0xef2ac5efU, 0xaae54faaU, 0xfb16edfbU, | |
191 | 0x43c58643U, 0x4dd79a4dU, 0x33556633U, 0x85941185U, | |
192 | 0x45cf8a45U, 0xf910e9f9U, 0x02060402U, 0x7f81fe7fU, | |
193 | 0x50f0a050U, 0x3c44783cU, 0x9fba259fU, 0xa8e34ba8U, | |
194 | 0x51f3a251U, 0xa3fe5da3U, 0x40c08040U, 0x8f8a058fU, | |
195 | 0x92ad3f92U, 0x9dbc219dU, 0x38487038U, 0xf504f1f5U, | |
196 | 0xbcdf63bcU, 0xb6c177b6U, 0xda75afdaU, 0x21634221U, | |
197 | 0x10302010U, 0xff1ae5ffU, 0xf30efdf3U, 0xd26dbfd2U, | |
198 | 0xcd4c81cdU, 0x0c14180cU, 0x13352613U, 0xec2fc3ecU, | |
199 | 0x5fe1be5fU, 0x97a23597U, 0x44cc8844U, 0x17392e17U, | |
200 | 0xc45793c4U, 0xa7f255a7U, 0x7e82fc7eU, 0x3d477a3dU, | |
201 | 0x64acc864U, 0x5de7ba5dU, 0x192b3219U, 0x7395e673U, | |
202 | 0x60a0c060U, 0x81981981U, 0x4fd19e4fU, 0xdc7fa3dcU, | |
203 | 0x22664422U, 0x2a7e542aU, 0x90ab3b90U, 0x88830b88U, | |
204 | 0x46ca8c46U, 0xee29c7eeU, 0xb8d36bb8U, 0x143c2814U, | |
205 | 0xde79a7deU, 0x5ee2bc5eU, 0x0b1d160bU, 0xdb76addbU, | |
206 | 0xe03bdbe0U, 0x32566432U, 0x3a4e743aU, 0x0a1e140aU, | |
207 | 0x49db9249U, 0x060a0c06U, 0x246c4824U, 0x5ce4b85cU, | |
208 | 0xc25d9fc2U, 0xd36ebdd3U, 0xacef43acU, 0x62a6c462U, | |
209 | 0x91a83991U, 0x95a43195U, 0xe437d3e4U, 0x798bf279U, | |
210 | 0xe732d5e7U, 0xc8438bc8U, 0x37596e37U, 0x6db7da6dU, | |
211 | 0x8d8c018dU, 0xd564b1d5U, 0x4ed29c4eU, 0xa9e049a9U, | |
212 | 0x6cb4d86cU, 0x56faac56U, 0xf407f3f4U, 0xea25cfeaU, | |
213 | 0x65afca65U, 0x7a8ef47aU, 0xaee947aeU, 0x08181008U, | |
214 | 0xbad56fbaU, 0x7888f078U, 0x256f4a25U, 0x2e725c2eU, | |
215 | 0x1c24381cU, 0xa6f157a6U, 0xb4c773b4U, 0xc65197c6U, | |
216 | 0xe823cbe8U, 0xdd7ca1ddU, 0x749ce874U, 0x1f213e1fU, | |
217 | 0x4bdd964bU, 0xbddc61bdU, 0x8b860d8bU, 0x8a850f8aU, | |
218 | 0x7090e070U, 0x3e427c3eU, 0xb5c471b5U, 0x66aacc66U, | |
219 | 0x48d89048U, 0x03050603U, 0xf601f7f6U, 0x0e121c0eU, | |
220 | 0x61a3c261U, 0x355f6a35U, 0x57f9ae57U, 0xb9d069b9U, | |
221 | 0x86911786U, 0xc15899c1U, 0x1d273a1dU, 0x9eb9279eU, | |
222 | 0xe138d9e1U, 0xf813ebf8U, 0x98b32b98U, 0x11332211U, | |
223 | 0x69bbd269U, 0xd970a9d9U, 0x8e89078eU, 0x94a73394U, | |
224 | 0x9bb62d9bU, 0x1e223c1eU, 0x87921587U, 0xe920c9e9U, | |
225 | 0xce4987ceU, 0x55ffaa55U, 0x28785028U, 0xdf7aa5dfU, | |
226 | 0x8c8f038cU, 0xa1f859a1U, 0x89800989U, 0x0d171a0dU, | |
227 | 0xbfda65bfU, 0xe631d7e6U, 0x42c68442U, 0x68b8d068U, | |
228 | 0x41c38241U, 0x99b02999U, 0x2d775a2dU, 0x0f111e0fU, | |
229 | 0xb0cb7bb0U, 0x54fca854U, 0xbbd66dbbU, 0x163a2c16U, | |
230 | }; | |
231 | ||
232 | static const uint32_t Te3[256] = { | |
233 | 0x6363a5c6U, 0x7c7c84f8U, 0x777799eeU, 0x7b7b8df6U, | |
234 | 0xf2f20dffU, 0x6b6bbdd6U, 0x6f6fb1deU, 0xc5c55491U, | |
235 | 0x30305060U, 0x01010302U, 0x6767a9ceU, 0x2b2b7d56U, | |
236 | 0xfefe19e7U, 0xd7d762b5U, 0xababe64dU, 0x76769aecU, | |
237 | 0xcaca458fU, 0x82829d1fU, 0xc9c94089U, 0x7d7d87faU, | |
238 | 0xfafa15efU, 0x5959ebb2U, 0x4747c98eU, 0xf0f00bfbU, | |
239 | 0xadadec41U, 0xd4d467b3U, 0xa2a2fd5fU, 0xafafea45U, | |
240 | 0x9c9cbf23U, 0xa4a4f753U, 0x727296e4U, 0xc0c05b9bU, | |
241 | 0xb7b7c275U, 0xfdfd1ce1U, 0x9393ae3dU, 0x26266a4cU, | |
242 | 0x36365a6cU, 0x3f3f417eU, 0xf7f702f5U, 0xcccc4f83U, | |
243 | 0x34345c68U, 0xa5a5f451U, 0xe5e534d1U, 0xf1f108f9U, | |
244 | 0x717193e2U, 0xd8d873abU, 0x31315362U, 0x15153f2aU, | |
245 | 0x04040c08U, 0xc7c75295U, 0x23236546U, 0xc3c35e9dU, | |
246 | 0x18182830U, 0x9696a137U, 0x05050f0aU, 0x9a9ab52fU, | |
247 | 0x0707090eU, 0x12123624U, 0x80809b1bU, 0xe2e23ddfU, | |
248 | 0xebeb26cdU, 0x2727694eU, 0xb2b2cd7fU, 0x75759feaU, | |
249 | 0x09091b12U, 0x83839e1dU, 0x2c2c7458U, 0x1a1a2e34U, | |
250 | 0x1b1b2d36U, 0x6e6eb2dcU, 0x5a5aeeb4U, 0xa0a0fb5bU, | |
251 | 0x5252f6a4U, 0x3b3b4d76U, 0xd6d661b7U, 0xb3b3ce7dU, | |
252 | 0x29297b52U, 0xe3e33eddU, 0x2f2f715eU, 0x84849713U, | |
253 | 0x5353f5a6U, 0xd1d168b9U, 0x00000000U, 0xeded2cc1U, | |
254 | 0x20206040U, 0xfcfc1fe3U, 0xb1b1c879U, 0x5b5bedb6U, | |
255 | 0x6a6abed4U, 0xcbcb468dU, 0xbebed967U, 0x39394b72U, | |
256 | 0x4a4ade94U, 0x4c4cd498U, 0x5858e8b0U, 0xcfcf4a85U, | |
257 | 0xd0d06bbbU, 0xefef2ac5U, 0xaaaae54fU, 0xfbfb16edU, | |
258 | 0x4343c586U, 0x4d4dd79aU, 0x33335566U, 0x85859411U, | |
259 | 0x4545cf8aU, 0xf9f910e9U, 0x02020604U, 0x7f7f81feU, | |
260 | 0x5050f0a0U, 0x3c3c4478U, 0x9f9fba25U, 0xa8a8e34bU, | |
261 | 0x5151f3a2U, 0xa3a3fe5dU, 0x4040c080U, 0x8f8f8a05U, | |
262 | 0x9292ad3fU, 0x9d9dbc21U, 0x38384870U, 0xf5f504f1U, | |
263 | 0xbcbcdf63U, 0xb6b6c177U, 0xdada75afU, 0x21216342U, | |
264 | 0x10103020U, 0xffff1ae5U, 0xf3f30efdU, 0xd2d26dbfU, | |
265 | 0xcdcd4c81U, 0x0c0c1418U, 0x13133526U, 0xecec2fc3U, | |
266 | 0x5f5fe1beU, 0x9797a235U, 0x4444cc88U, 0x1717392eU, | |
267 | 0xc4c45793U, 0xa7a7f255U, 0x7e7e82fcU, 0x3d3d477aU, | |
268 | 0x6464acc8U, 0x5d5de7baU, 0x19192b32U, 0x737395e6U, | |
269 | 0x6060a0c0U, 0x81819819U, 0x4f4fd19eU, 0xdcdc7fa3U, | |
270 | 0x22226644U, 0x2a2a7e54U, 0x9090ab3bU, 0x8888830bU, | |
271 | 0x4646ca8cU, 0xeeee29c7U, 0xb8b8d36bU, 0x14143c28U, | |
272 | 0xdede79a7U, 0x5e5ee2bcU, 0x0b0b1d16U, 0xdbdb76adU, | |
273 | 0xe0e03bdbU, 0x32325664U, 0x3a3a4e74U, 0x0a0a1e14U, | |
274 | 0x4949db92U, 0x06060a0cU, 0x24246c48U, 0x5c5ce4b8U, | |
275 | 0xc2c25d9fU, 0xd3d36ebdU, 0xacacef43U, 0x6262a6c4U, | |
276 | 0x9191a839U, 0x9595a431U, 0xe4e437d3U, 0x79798bf2U, | |
277 | 0xe7e732d5U, 0xc8c8438bU, 0x3737596eU, 0x6d6db7daU, | |
278 | 0x8d8d8c01U, 0xd5d564b1U, 0x4e4ed29cU, 0xa9a9e049U, | |
279 | 0x6c6cb4d8U, 0x5656faacU, 0xf4f407f3U, 0xeaea25cfU, | |
280 | 0x6565afcaU, 0x7a7a8ef4U, 0xaeaee947U, 0x08081810U, | |
281 | 0xbabad56fU, 0x787888f0U, 0x25256f4aU, 0x2e2e725cU, | |
282 | 0x1c1c2438U, 0xa6a6f157U, 0xb4b4c773U, 0xc6c65197U, | |
283 | 0xe8e823cbU, 0xdddd7ca1U, 0x74749ce8U, 0x1f1f213eU, | |
284 | 0x4b4bdd96U, 0xbdbddc61U, 0x8b8b860dU, 0x8a8a850fU, | |
285 | 0x707090e0U, 0x3e3e427cU, 0xb5b5c471U, 0x6666aaccU, | |
286 | 0x4848d890U, 0x03030506U, 0xf6f601f7U, 0x0e0e121cU, | |
287 | 0x6161a3c2U, 0x35355f6aU, 0x5757f9aeU, 0xb9b9d069U, | |
288 | 0x86869117U, 0xc1c15899U, 0x1d1d273aU, 0x9e9eb927U, | |
289 | 0xe1e138d9U, 0xf8f813ebU, 0x9898b32bU, 0x11113322U, | |
290 | 0x6969bbd2U, 0xd9d970a9U, 0x8e8e8907U, 0x9494a733U, | |
291 | 0x9b9bb62dU, 0x1e1e223cU, 0x87879215U, 0xe9e920c9U, | |
292 | 0xcece4987U, 0x5555ffaaU, 0x28287850U, 0xdfdf7aa5U, | |
293 | 0x8c8c8f03U, 0xa1a1f859U, 0x89898009U, 0x0d0d171aU, | |
294 | 0xbfbfda65U, 0xe6e631d7U, 0x4242c684U, 0x6868b8d0U, | |
295 | 0x4141c382U, 0x9999b029U, 0x2d2d775aU, 0x0f0f111eU, | |
296 | 0xb0b0cb7bU, 0x5454fca8U, 0xbbbbd66dU, 0x16163a2cU, | |
297 | }; | |
298 | ||
299 | static const uint32_t Te4[256] = { | |
300 | 0x63636363U, 0x7c7c7c7cU, 0x77777777U, 0x7b7b7b7bU, | |
301 | 0xf2f2f2f2U, 0x6b6b6b6bU, 0x6f6f6f6fU, 0xc5c5c5c5U, | |
302 | 0x30303030U, 0x01010101U, 0x67676767U, 0x2b2b2b2bU, | |
303 | 0xfefefefeU, 0xd7d7d7d7U, 0xababababU, 0x76767676U, | |
304 | 0xcacacacaU, 0x82828282U, 0xc9c9c9c9U, 0x7d7d7d7dU, | |
305 | 0xfafafafaU, 0x59595959U, 0x47474747U, 0xf0f0f0f0U, | |
306 | 0xadadadadU, 0xd4d4d4d4U, 0xa2a2a2a2U, 0xafafafafU, | |
307 | 0x9c9c9c9cU, 0xa4a4a4a4U, 0x72727272U, 0xc0c0c0c0U, | |
308 | 0xb7b7b7b7U, 0xfdfdfdfdU, 0x93939393U, 0x26262626U, | |
309 | 0x36363636U, 0x3f3f3f3fU, 0xf7f7f7f7U, 0xccccccccU, | |
310 | 0x34343434U, 0xa5a5a5a5U, 0xe5e5e5e5U, 0xf1f1f1f1U, | |
311 | 0x71717171U, 0xd8d8d8d8U, 0x31313131U, 0x15151515U, | |
312 | 0x04040404U, 0xc7c7c7c7U, 0x23232323U, 0xc3c3c3c3U, | |
313 | 0x18181818U, 0x96969696U, 0x05050505U, 0x9a9a9a9aU, | |
314 | 0x07070707U, 0x12121212U, 0x80808080U, 0xe2e2e2e2U, | |
315 | 0xebebebebU, 0x27272727U, 0xb2b2b2b2U, 0x75757575U, | |
316 | 0x09090909U, 0x83838383U, 0x2c2c2c2cU, 0x1a1a1a1aU, | |
317 | 0x1b1b1b1bU, 0x6e6e6e6eU, 0x5a5a5a5aU, 0xa0a0a0a0U, | |
318 | 0x52525252U, 0x3b3b3b3bU, 0xd6d6d6d6U, 0xb3b3b3b3U, | |
319 | 0x29292929U, 0xe3e3e3e3U, 0x2f2f2f2fU, 0x84848484U, | |
320 | 0x53535353U, 0xd1d1d1d1U, 0x00000000U, 0xededededU, | |
321 | 0x20202020U, 0xfcfcfcfcU, 0xb1b1b1b1U, 0x5b5b5b5bU, | |
322 | 0x6a6a6a6aU, 0xcbcbcbcbU, 0xbebebebeU, 0x39393939U, | |
323 | 0x4a4a4a4aU, 0x4c4c4c4cU, 0x58585858U, 0xcfcfcfcfU, | |
324 | 0xd0d0d0d0U, 0xefefefefU, 0xaaaaaaaaU, 0xfbfbfbfbU, | |
325 | 0x43434343U, 0x4d4d4d4dU, 0x33333333U, 0x85858585U, | |
326 | 0x45454545U, 0xf9f9f9f9U, 0x02020202U, 0x7f7f7f7fU, | |
327 | 0x50505050U, 0x3c3c3c3cU, 0x9f9f9f9fU, 0xa8a8a8a8U, | |
328 | 0x51515151U, 0xa3a3a3a3U, 0x40404040U, 0x8f8f8f8fU, | |
329 | 0x92929292U, 0x9d9d9d9dU, 0x38383838U, 0xf5f5f5f5U, | |
330 | 0xbcbcbcbcU, 0xb6b6b6b6U, 0xdadadadaU, 0x21212121U, | |
331 | 0x10101010U, 0xffffffffU, 0xf3f3f3f3U, 0xd2d2d2d2U, | |
332 | 0xcdcdcdcdU, 0x0c0c0c0cU, 0x13131313U, 0xececececU, | |
333 | 0x5f5f5f5fU, 0x97979797U, 0x44444444U, 0x17171717U, | |
334 | 0xc4c4c4c4U, 0xa7a7a7a7U, 0x7e7e7e7eU, 0x3d3d3d3dU, | |
335 | 0x64646464U, 0x5d5d5d5dU, 0x19191919U, 0x73737373U, | |
336 | 0x60606060U, 0x81818181U, 0x4f4f4f4fU, 0xdcdcdcdcU, | |
337 | 0x22222222U, 0x2a2a2a2aU, 0x90909090U, 0x88888888U, | |
338 | 0x46464646U, 0xeeeeeeeeU, 0xb8b8b8b8U, 0x14141414U, | |
339 | 0xdedededeU, 0x5e5e5e5eU, 0x0b0b0b0bU, 0xdbdbdbdbU, | |
340 | 0xe0e0e0e0U, 0x32323232U, 0x3a3a3a3aU, 0x0a0a0a0aU, | |
341 | 0x49494949U, 0x06060606U, 0x24242424U, 0x5c5c5c5cU, | |
342 | 0xc2c2c2c2U, 0xd3d3d3d3U, 0xacacacacU, 0x62626262U, | |
343 | 0x91919191U, 0x95959595U, 0xe4e4e4e4U, 0x79797979U, | |
344 | 0xe7e7e7e7U, 0xc8c8c8c8U, 0x37373737U, 0x6d6d6d6dU, | |
345 | 0x8d8d8d8dU, 0xd5d5d5d5U, 0x4e4e4e4eU, 0xa9a9a9a9U, | |
346 | 0x6c6c6c6cU, 0x56565656U, 0xf4f4f4f4U, 0xeaeaeaeaU, | |
347 | 0x65656565U, 0x7a7a7a7aU, 0xaeaeaeaeU, 0x08080808U, | |
348 | 0xbabababaU, 0x78787878U, 0x25252525U, 0x2e2e2e2eU, | |
349 | 0x1c1c1c1cU, 0xa6a6a6a6U, 0xb4b4b4b4U, 0xc6c6c6c6U, | |
350 | 0xe8e8e8e8U, 0xddddddddU, 0x74747474U, 0x1f1f1f1fU, | |
351 | 0x4b4b4b4bU, 0xbdbdbdbdU, 0x8b8b8b8bU, 0x8a8a8a8aU, | |
352 | 0x70707070U, 0x3e3e3e3eU, 0xb5b5b5b5U, 0x66666666U, | |
353 | 0x48484848U, 0x03030303U, 0xf6f6f6f6U, 0x0e0e0e0eU, | |
354 | 0x61616161U, 0x35353535U, 0x57575757U, 0xb9b9b9b9U, | |
355 | 0x86868686U, 0xc1c1c1c1U, 0x1d1d1d1dU, 0x9e9e9e9eU, | |
356 | 0xe1e1e1e1U, 0xf8f8f8f8U, 0x98989898U, 0x11111111U, | |
357 | 0x69696969U, 0xd9d9d9d9U, 0x8e8e8e8eU, 0x94949494U, | |
358 | 0x9b9b9b9bU, 0x1e1e1e1eU, 0x87878787U, 0xe9e9e9e9U, | |
359 | 0xcecececeU, 0x55555555U, 0x28282828U, 0xdfdfdfdfU, | |
360 | 0x8c8c8c8cU, 0xa1a1a1a1U, 0x89898989U, 0x0d0d0d0dU, | |
361 | 0xbfbfbfbfU, 0xe6e6e6e6U, 0x42424242U, 0x68686868U, | |
362 | 0x41414141U, 0x99999999U, 0x2d2d2d2dU, 0x0f0f0f0fU, | |
363 | 0xb0b0b0b0U, 0x54545454U, 0xbbbbbbbbU, 0x16161616U, | |
364 | }; | |
365 | ||
d918d9d1 BP |
366 | static const uint32_t rcon[] = { |
367 | 0x01000000, 0x02000000, 0x04000000, 0x08000000, | |
368 | 0x10000000, 0x20000000, 0x40000000, 0x80000000, | |
369 | 0x1B000000, 0x36000000, | |
370 | }; | |
371 | ||
372 | static uint32_t | |
373 | get_u32(const uint8_t *p) | |
374 | { | |
375 | uint32_t p0 = p[0]; | |
376 | uint32_t p1 = p[1]; | |
377 | uint32_t p2 = p[2]; | |
378 | uint32_t p3 = p[3]; | |
379 | return (p0 << 24) | (p1 << 16) | (p2 << 8) | p3; | |
380 | } | |
381 | ||
382 | static void | |
383 | put_u32(uint8_t *p, uint32_t x) | |
384 | { | |
385 | p[0] = x >> 24; | |
386 | p[1] = x >> 16; | |
387 | p[2] = x >> 8; | |
388 | p[3] = x; | |
389 | } | |
390 | ||
391 | /* Expands 128-bit 'key' into the encryption key 'schedule'. */ | |
392 | void | |
393 | aes128_schedule(struct aes128 *aes, const uint8_t key[16]) | |
394 | { | |
395 | uint32_t *rk = aes->rk; | |
396 | int i; | |
397 | ||
398 | rk[0] = get_u32(key); | |
399 | rk[1] = get_u32(key + 4); | |
400 | rk[2] = get_u32(key + 8); | |
401 | rk[3] = get_u32(key + 12); | |
402 | for (i = 0; i < 10; i++, rk += 4) { | |
403 | uint32_t temp = rk[3]; | |
404 | rk[4] = (rk[0] | |
405 | ^ (Te4[(temp >> 16) & 0xff] & 0xff000000) | |
406 | ^ (Te4[(temp >> 8) & 0xff] & 0x00ff0000) | |
407 | ^ (Te4[(temp ) & 0xff] & 0x0000ff00) | |
408 | ^ (Te4[(temp >> 24) ] & 0x000000ff) | |
409 | ^ rcon[i]); | |
410 | rk[5] = rk[1] ^ rk[4]; | |
411 | rk[6] = rk[2] ^ rk[5]; | |
412 | rk[7] = rk[3] ^ rk[6]; | |
413 | } | |
cb22974d | 414 | ovs_assert(rk == &aes->rk[40]); |
d918d9d1 BP |
415 | } |
416 | ||
417 | void | |
418 | aes128_encrypt(const struct aes128 *aes, const void *input_, void *output_) | |
419 | { | |
420 | const uint8_t *input = input_; | |
421 | uint8_t *output = output_; | |
422 | const uint32_t *rk = aes->rk; | |
423 | uint32_t s0, s1, s2, s3; | |
424 | uint32_t t0, t1, t2, t3; | |
425 | int r; | |
426 | ||
427 | /* Map byte array block to cipher state and add initial round key. */ | |
428 | s0 = get_u32(input ) ^ rk[0]; | |
429 | s1 = get_u32(input + 4) ^ rk[1]; | |
430 | s2 = get_u32(input + 8) ^ rk[2]; | |
431 | s3 = get_u32(input + 12) ^ rk[3]; | |
432 | ||
433 | /* 10 full rounds. */ | |
434 | r = 10 / 2; | |
435 | for (;;) { | |
436 | t0 = (Te0[(s0 >> 24) ] | |
437 | ^ Te1[(s1 >> 16) & 0xff] | |
438 | ^ Te2[(s2 >> 8) & 0xff] | |
439 | ^ Te3[(s3 ) & 0xff] | |
440 | ^ rk[4]); | |
441 | t1 = (Te0[(s1 >> 24) ] | |
442 | ^ Te1[(s2 >> 16) & 0xff] | |
443 | ^ Te2[(s3 >> 8) & 0xff] | |
444 | ^ Te3[(s0 ) & 0xff] | |
445 | ^ rk[5]); | |
446 | t2 = (Te0[(s2 >> 24) ] | |
447 | ^ Te1[(s3 >> 16) & 0xff] | |
448 | ^ Te2[(s0 >> 8) & 0xff] | |
449 | ^ Te3[(s1 ) & 0xff] | |
450 | ^ rk[6]); | |
451 | t3 = (Te0[(s3 >> 24) ] | |
452 | ^ Te1[(s0 >> 16) & 0xff] | |
453 | ^ Te2[(s1 >> 8) & 0xff] | |
454 | ^ Te3[(s2 ) & 0xff] | |
455 | ^ rk[7]); | |
456 | ||
457 | rk += 8; | |
458 | if (--r == 0) { | |
459 | break; | |
460 | } | |
461 | ||
462 | s0 = (Te0[(t0 >> 24) ] | |
463 | ^ Te1[(t1 >> 16) & 0xff] | |
464 | ^ Te2[(t2 >> 8) & 0xff] | |
465 | ^ Te3[(t3 ) & 0xff] | |
466 | ^ rk[0]); | |
467 | s1 = (Te0[(t1 >> 24) ] | |
468 | ^ Te1[(t2 >> 16) & 0xff] | |
469 | ^ Te2[(t3 >> 8) & 0xff] | |
470 | ^ Te3[(t0 ) & 0xff] | |
471 | ^ rk[1]); | |
472 | s2 = (Te0[(t2 >> 24) ] | |
473 | ^ Te1[(t3 >> 16) & 0xff] | |
474 | ^ Te2[(t0 >> 8) & 0xff] | |
475 | ^ Te3[(t1 ) & 0xff] | |
476 | ^ rk[2]); | |
477 | s3 = (Te0[(t3 >> 24) ] | |
478 | ^ Te1[(t0 >> 16) & 0xff] | |
479 | ^ Te2[(t1 >> 8) & 0xff] | |
480 | ^ Te3[(t2 ) & 0xff] | |
481 | ^ rk[3]); | |
482 | } | |
483 | ||
484 | /* Apply last round and map cipher state to byte array block. */ | |
485 | s0 = ((Te4[(t0 >> 24) ] & 0xff000000) | |
486 | ^ (Te4[(t1 >> 16) & 0xff] & 0x00ff0000) | |
487 | ^ (Te4[(t2 >> 8) & 0xff] & 0x0000ff00) | |
488 | ^ (Te4[(t3 ) & 0xff] & 0x000000ff) | |
489 | ^ rk[0]); | |
490 | put_u32(output , s0); | |
491 | s1 = ((Te4[(t1 >> 24) ] & 0xff000000) | |
492 | ^ (Te4[(t2 >> 16) & 0xff] & 0x00ff0000) | |
493 | ^ (Te4[(t3 >> 8) & 0xff] & 0x0000ff00) | |
494 | ^ (Te4[(t0 ) & 0xff] & 0x000000ff) | |
495 | ^ rk[1]); | |
496 | put_u32(output + 4, s1); | |
497 | s2 = ((Te4[(t2 >> 24) ] & 0xff000000) | |
498 | ^ (Te4[(t3 >> 16) & 0xff] & 0x00ff0000) | |
499 | ^ (Te4[(t0 >> 8) & 0xff] & 0x0000ff00) | |
500 | ^ (Te4[(t1 ) & 0xff] & 0x000000ff) | |
501 | ^ rk[2]); | |
502 | put_u32(output + 8, s2); | |
503 | s3 = ((Te4[(t3 >> 24) ] & 0xff000000) | |
504 | ^ (Te4[(t0 >> 16) & 0xff] & 0x00ff0000) | |
505 | ^ (Te4[(t1 >> 8) & 0xff] & 0x0000ff00) | |
506 | ^ (Te4[(t2 ) & 0xff] & 0x000000ff) | |
507 | ^ rk[3]); | |
508 | put_u32(output + 12, s3); | |
509 | } |