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d64beac0 NT |
1 | /* |
2 | * Copyright (C) 2006 | |
3 | * NTT (Nippon Telegraph and Telephone Corporation). | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or | |
6 | * modify it under the terms of the GNU General Public License | |
7 | * as published by the Free Software Foundation; either version 2 | |
8 | * of the License, or (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
18 | */ | |
19 | ||
20 | /* | |
21 | * Algorithm Specification | |
22 | * http://info.isl.ntt.co.jp/crypt/eng/camellia/specifications.html | |
23 | */ | |
24 | ||
25 | /* | |
26 | * | |
27 | * NOTE --- NOTE --- NOTE --- NOTE | |
28 | * This implementation assumes that all memory addresses passed | |
29 | * as parameters are four-byte aligned. | |
30 | * | |
31 | */ | |
32 | ||
33 | #include <linux/crypto.h> | |
34 | #include <linux/errno.h> | |
35 | #include <linux/init.h> | |
36 | #include <linux/kernel.h> | |
37 | #include <linux/module.h> | |
38 | ||
d64beac0 NT |
39 | static const u32 camellia_sp1110[256] = { |
40 | 0x70707000,0x82828200,0x2c2c2c00,0xececec00, | |
41 | 0xb3b3b300,0x27272700,0xc0c0c000,0xe5e5e500, | |
42 | 0xe4e4e400,0x85858500,0x57575700,0x35353500, | |
43 | 0xeaeaea00,0x0c0c0c00,0xaeaeae00,0x41414100, | |
44 | 0x23232300,0xefefef00,0x6b6b6b00,0x93939300, | |
45 | 0x45454500,0x19191900,0xa5a5a500,0x21212100, | |
46 | 0xededed00,0x0e0e0e00,0x4f4f4f00,0x4e4e4e00, | |
47 | 0x1d1d1d00,0x65656500,0x92929200,0xbdbdbd00, | |
48 | 0x86868600,0xb8b8b800,0xafafaf00,0x8f8f8f00, | |
49 | 0x7c7c7c00,0xebebeb00,0x1f1f1f00,0xcecece00, | |
50 | 0x3e3e3e00,0x30303000,0xdcdcdc00,0x5f5f5f00, | |
51 | 0x5e5e5e00,0xc5c5c500,0x0b0b0b00,0x1a1a1a00, | |
52 | 0xa6a6a600,0xe1e1e100,0x39393900,0xcacaca00, | |
53 | 0xd5d5d500,0x47474700,0x5d5d5d00,0x3d3d3d00, | |
54 | 0xd9d9d900,0x01010100,0x5a5a5a00,0xd6d6d600, | |
55 | 0x51515100,0x56565600,0x6c6c6c00,0x4d4d4d00, | |
56 | 0x8b8b8b00,0x0d0d0d00,0x9a9a9a00,0x66666600, | |
57 | 0xfbfbfb00,0xcccccc00,0xb0b0b000,0x2d2d2d00, | |
58 | 0x74747400,0x12121200,0x2b2b2b00,0x20202000, | |
59 | 0xf0f0f000,0xb1b1b100,0x84848400,0x99999900, | |
60 | 0xdfdfdf00,0x4c4c4c00,0xcbcbcb00,0xc2c2c200, | |
61 | 0x34343400,0x7e7e7e00,0x76767600,0x05050500, | |
62 | 0x6d6d6d00,0xb7b7b700,0xa9a9a900,0x31313100, | |
63 | 0xd1d1d100,0x17171700,0x04040400,0xd7d7d700, | |
64 | 0x14141400,0x58585800,0x3a3a3a00,0x61616100, | |
65 | 0xdedede00,0x1b1b1b00,0x11111100,0x1c1c1c00, | |
66 | 0x32323200,0x0f0f0f00,0x9c9c9c00,0x16161600, | |
67 | 0x53535300,0x18181800,0xf2f2f200,0x22222200, | |
68 | 0xfefefe00,0x44444400,0xcfcfcf00,0xb2b2b200, | |
69 | 0xc3c3c300,0xb5b5b500,0x7a7a7a00,0x91919100, | |
70 | 0x24242400,0x08080800,0xe8e8e800,0xa8a8a800, | |
71 | 0x60606000,0xfcfcfc00,0x69696900,0x50505000, | |
72 | 0xaaaaaa00,0xd0d0d000,0xa0a0a000,0x7d7d7d00, | |
73 | 0xa1a1a100,0x89898900,0x62626200,0x97979700, | |
74 | 0x54545400,0x5b5b5b00,0x1e1e1e00,0x95959500, | |
75 | 0xe0e0e000,0xffffff00,0x64646400,0xd2d2d200, | |
76 | 0x10101000,0xc4c4c400,0x00000000,0x48484800, | |
77 | 0xa3a3a300,0xf7f7f700,0x75757500,0xdbdbdb00, | |
78 | 0x8a8a8a00,0x03030300,0xe6e6e600,0xdadada00, | |
79 | 0x09090900,0x3f3f3f00,0xdddddd00,0x94949400, | |
80 | 0x87878700,0x5c5c5c00,0x83838300,0x02020200, | |
81 | 0xcdcdcd00,0x4a4a4a00,0x90909000,0x33333300, | |
82 | 0x73737300,0x67676700,0xf6f6f600,0xf3f3f300, | |
83 | 0x9d9d9d00,0x7f7f7f00,0xbfbfbf00,0xe2e2e200, | |
84 | 0x52525200,0x9b9b9b00,0xd8d8d800,0x26262600, | |
85 | 0xc8c8c800,0x37373700,0xc6c6c600,0x3b3b3b00, | |
86 | 0x81818100,0x96969600,0x6f6f6f00,0x4b4b4b00, | |
87 | 0x13131300,0xbebebe00,0x63636300,0x2e2e2e00, | |
88 | 0xe9e9e900,0x79797900,0xa7a7a700,0x8c8c8c00, | |
89 | 0x9f9f9f00,0x6e6e6e00,0xbcbcbc00,0x8e8e8e00, | |
90 | 0x29292900,0xf5f5f500,0xf9f9f900,0xb6b6b600, | |
91 | 0x2f2f2f00,0xfdfdfd00,0xb4b4b400,0x59595900, | |
92 | 0x78787800,0x98989800,0x06060600,0x6a6a6a00, | |
93 | 0xe7e7e700,0x46464600,0x71717100,0xbababa00, | |
94 | 0xd4d4d400,0x25252500,0xababab00,0x42424200, | |
95 | 0x88888800,0xa2a2a200,0x8d8d8d00,0xfafafa00, | |
96 | 0x72727200,0x07070700,0xb9b9b900,0x55555500, | |
97 | 0xf8f8f800,0xeeeeee00,0xacacac00,0x0a0a0a00, | |
98 | 0x36363600,0x49494900,0x2a2a2a00,0x68686800, | |
99 | 0x3c3c3c00,0x38383800,0xf1f1f100,0xa4a4a400, | |
100 | 0x40404000,0x28282800,0xd3d3d300,0x7b7b7b00, | |
101 | 0xbbbbbb00,0xc9c9c900,0x43434300,0xc1c1c100, | |
102 | 0x15151500,0xe3e3e300,0xadadad00,0xf4f4f400, | |
103 | 0x77777700,0xc7c7c700,0x80808000,0x9e9e9e00, | |
104 | }; | |
105 | ||
106 | static const u32 camellia_sp0222[256] = { | |
107 | 0x00e0e0e0,0x00050505,0x00585858,0x00d9d9d9, | |
108 | 0x00676767,0x004e4e4e,0x00818181,0x00cbcbcb, | |
109 | 0x00c9c9c9,0x000b0b0b,0x00aeaeae,0x006a6a6a, | |
110 | 0x00d5d5d5,0x00181818,0x005d5d5d,0x00828282, | |
111 | 0x00464646,0x00dfdfdf,0x00d6d6d6,0x00272727, | |
112 | 0x008a8a8a,0x00323232,0x004b4b4b,0x00424242, | |
113 | 0x00dbdbdb,0x001c1c1c,0x009e9e9e,0x009c9c9c, | |
114 | 0x003a3a3a,0x00cacaca,0x00252525,0x007b7b7b, | |
115 | 0x000d0d0d,0x00717171,0x005f5f5f,0x001f1f1f, | |
116 | 0x00f8f8f8,0x00d7d7d7,0x003e3e3e,0x009d9d9d, | |
117 | 0x007c7c7c,0x00606060,0x00b9b9b9,0x00bebebe, | |
118 | 0x00bcbcbc,0x008b8b8b,0x00161616,0x00343434, | |
119 | 0x004d4d4d,0x00c3c3c3,0x00727272,0x00959595, | |
120 | 0x00ababab,0x008e8e8e,0x00bababa,0x007a7a7a, | |
121 | 0x00b3b3b3,0x00020202,0x00b4b4b4,0x00adadad, | |
122 | 0x00a2a2a2,0x00acacac,0x00d8d8d8,0x009a9a9a, | |
123 | 0x00171717,0x001a1a1a,0x00353535,0x00cccccc, | |
124 | 0x00f7f7f7,0x00999999,0x00616161,0x005a5a5a, | |
125 | 0x00e8e8e8,0x00242424,0x00565656,0x00404040, | |
126 | 0x00e1e1e1,0x00636363,0x00090909,0x00333333, | |
127 | 0x00bfbfbf,0x00989898,0x00979797,0x00858585, | |
128 | 0x00686868,0x00fcfcfc,0x00ececec,0x000a0a0a, | |
129 | 0x00dadada,0x006f6f6f,0x00535353,0x00626262, | |
130 | 0x00a3a3a3,0x002e2e2e,0x00080808,0x00afafaf, | |
131 | 0x00282828,0x00b0b0b0,0x00747474,0x00c2c2c2, | |
132 | 0x00bdbdbd,0x00363636,0x00222222,0x00383838, | |
133 | 0x00646464,0x001e1e1e,0x00393939,0x002c2c2c, | |
134 | 0x00a6a6a6,0x00303030,0x00e5e5e5,0x00444444, | |
135 | 0x00fdfdfd,0x00888888,0x009f9f9f,0x00656565, | |
136 | 0x00878787,0x006b6b6b,0x00f4f4f4,0x00232323, | |
137 | 0x00484848,0x00101010,0x00d1d1d1,0x00515151, | |
138 | 0x00c0c0c0,0x00f9f9f9,0x00d2d2d2,0x00a0a0a0, | |
139 | 0x00555555,0x00a1a1a1,0x00414141,0x00fafafa, | |
140 | 0x00434343,0x00131313,0x00c4c4c4,0x002f2f2f, | |
141 | 0x00a8a8a8,0x00b6b6b6,0x003c3c3c,0x002b2b2b, | |
142 | 0x00c1c1c1,0x00ffffff,0x00c8c8c8,0x00a5a5a5, | |
143 | 0x00202020,0x00898989,0x00000000,0x00909090, | |
144 | 0x00474747,0x00efefef,0x00eaeaea,0x00b7b7b7, | |
145 | 0x00151515,0x00060606,0x00cdcdcd,0x00b5b5b5, | |
146 | 0x00121212,0x007e7e7e,0x00bbbbbb,0x00292929, | |
147 | 0x000f0f0f,0x00b8b8b8,0x00070707,0x00040404, | |
148 | 0x009b9b9b,0x00949494,0x00212121,0x00666666, | |
149 | 0x00e6e6e6,0x00cecece,0x00ededed,0x00e7e7e7, | |
150 | 0x003b3b3b,0x00fefefe,0x007f7f7f,0x00c5c5c5, | |
151 | 0x00a4a4a4,0x00373737,0x00b1b1b1,0x004c4c4c, | |
152 | 0x00919191,0x006e6e6e,0x008d8d8d,0x00767676, | |
153 | 0x00030303,0x002d2d2d,0x00dedede,0x00969696, | |
154 | 0x00262626,0x007d7d7d,0x00c6c6c6,0x005c5c5c, | |
155 | 0x00d3d3d3,0x00f2f2f2,0x004f4f4f,0x00191919, | |
156 | 0x003f3f3f,0x00dcdcdc,0x00797979,0x001d1d1d, | |
157 | 0x00525252,0x00ebebeb,0x00f3f3f3,0x006d6d6d, | |
158 | 0x005e5e5e,0x00fbfbfb,0x00696969,0x00b2b2b2, | |
159 | 0x00f0f0f0,0x00313131,0x000c0c0c,0x00d4d4d4, | |
160 | 0x00cfcfcf,0x008c8c8c,0x00e2e2e2,0x00757575, | |
161 | 0x00a9a9a9,0x004a4a4a,0x00575757,0x00848484, | |
162 | 0x00111111,0x00454545,0x001b1b1b,0x00f5f5f5, | |
163 | 0x00e4e4e4,0x000e0e0e,0x00737373,0x00aaaaaa, | |
164 | 0x00f1f1f1,0x00dddddd,0x00595959,0x00141414, | |
165 | 0x006c6c6c,0x00929292,0x00545454,0x00d0d0d0, | |
166 | 0x00787878,0x00707070,0x00e3e3e3,0x00494949, | |
167 | 0x00808080,0x00505050,0x00a7a7a7,0x00f6f6f6, | |
168 | 0x00777777,0x00939393,0x00868686,0x00838383, | |
169 | 0x002a2a2a,0x00c7c7c7,0x005b5b5b,0x00e9e9e9, | |
170 | 0x00eeeeee,0x008f8f8f,0x00010101,0x003d3d3d, | |
171 | }; | |
172 | ||
173 | static const u32 camellia_sp3033[256] = { | |
174 | 0x38003838,0x41004141,0x16001616,0x76007676, | |
175 | 0xd900d9d9,0x93009393,0x60006060,0xf200f2f2, | |
176 | 0x72007272,0xc200c2c2,0xab00abab,0x9a009a9a, | |
177 | 0x75007575,0x06000606,0x57005757,0xa000a0a0, | |
178 | 0x91009191,0xf700f7f7,0xb500b5b5,0xc900c9c9, | |
179 | 0xa200a2a2,0x8c008c8c,0xd200d2d2,0x90009090, | |
180 | 0xf600f6f6,0x07000707,0xa700a7a7,0x27002727, | |
181 | 0x8e008e8e,0xb200b2b2,0x49004949,0xde00dede, | |
182 | 0x43004343,0x5c005c5c,0xd700d7d7,0xc700c7c7, | |
183 | 0x3e003e3e,0xf500f5f5,0x8f008f8f,0x67006767, | |
184 | 0x1f001f1f,0x18001818,0x6e006e6e,0xaf00afaf, | |
185 | 0x2f002f2f,0xe200e2e2,0x85008585,0x0d000d0d, | |
186 | 0x53005353,0xf000f0f0,0x9c009c9c,0x65006565, | |
187 | 0xea00eaea,0xa300a3a3,0xae00aeae,0x9e009e9e, | |
188 | 0xec00ecec,0x80008080,0x2d002d2d,0x6b006b6b, | |
189 | 0xa800a8a8,0x2b002b2b,0x36003636,0xa600a6a6, | |
190 | 0xc500c5c5,0x86008686,0x4d004d4d,0x33003333, | |
191 | 0xfd00fdfd,0x66006666,0x58005858,0x96009696, | |
192 | 0x3a003a3a,0x09000909,0x95009595,0x10001010, | |
193 | 0x78007878,0xd800d8d8,0x42004242,0xcc00cccc, | |
194 | 0xef00efef,0x26002626,0xe500e5e5,0x61006161, | |
195 | 0x1a001a1a,0x3f003f3f,0x3b003b3b,0x82008282, | |
196 | 0xb600b6b6,0xdb00dbdb,0xd400d4d4,0x98009898, | |
197 | 0xe800e8e8,0x8b008b8b,0x02000202,0xeb00ebeb, | |
198 | 0x0a000a0a,0x2c002c2c,0x1d001d1d,0xb000b0b0, | |
199 | 0x6f006f6f,0x8d008d8d,0x88008888,0x0e000e0e, | |
200 | 0x19001919,0x87008787,0x4e004e4e,0x0b000b0b, | |
201 | 0xa900a9a9,0x0c000c0c,0x79007979,0x11001111, | |
202 | 0x7f007f7f,0x22002222,0xe700e7e7,0x59005959, | |
203 | 0xe100e1e1,0xda00dada,0x3d003d3d,0xc800c8c8, | |
204 | 0x12001212,0x04000404,0x74007474,0x54005454, | |
205 | 0x30003030,0x7e007e7e,0xb400b4b4,0x28002828, | |
206 | 0x55005555,0x68006868,0x50005050,0xbe00bebe, | |
207 | 0xd000d0d0,0xc400c4c4,0x31003131,0xcb00cbcb, | |
208 | 0x2a002a2a,0xad00adad,0x0f000f0f,0xca00caca, | |
209 | 0x70007070,0xff00ffff,0x32003232,0x69006969, | |
210 | 0x08000808,0x62006262,0x00000000,0x24002424, | |
211 | 0xd100d1d1,0xfb00fbfb,0xba00baba,0xed00eded, | |
212 | 0x45004545,0x81008181,0x73007373,0x6d006d6d, | |
213 | 0x84008484,0x9f009f9f,0xee00eeee,0x4a004a4a, | |
214 | 0xc300c3c3,0x2e002e2e,0xc100c1c1,0x01000101, | |
215 | 0xe600e6e6,0x25002525,0x48004848,0x99009999, | |
216 | 0xb900b9b9,0xb300b3b3,0x7b007b7b,0xf900f9f9, | |
217 | 0xce00cece,0xbf00bfbf,0xdf00dfdf,0x71007171, | |
218 | 0x29002929,0xcd00cdcd,0x6c006c6c,0x13001313, | |
219 | 0x64006464,0x9b009b9b,0x63006363,0x9d009d9d, | |
220 | 0xc000c0c0,0x4b004b4b,0xb700b7b7,0xa500a5a5, | |
221 | 0x89008989,0x5f005f5f,0xb100b1b1,0x17001717, | |
222 | 0xf400f4f4,0xbc00bcbc,0xd300d3d3,0x46004646, | |
223 | 0xcf00cfcf,0x37003737,0x5e005e5e,0x47004747, | |
224 | 0x94009494,0xfa00fafa,0xfc00fcfc,0x5b005b5b, | |
225 | 0x97009797,0xfe00fefe,0x5a005a5a,0xac00acac, | |
226 | 0x3c003c3c,0x4c004c4c,0x03000303,0x35003535, | |
227 | 0xf300f3f3,0x23002323,0xb800b8b8,0x5d005d5d, | |
228 | 0x6a006a6a,0x92009292,0xd500d5d5,0x21002121, | |
229 | 0x44004444,0x51005151,0xc600c6c6,0x7d007d7d, | |
230 | 0x39003939,0x83008383,0xdc00dcdc,0xaa00aaaa, | |
231 | 0x7c007c7c,0x77007777,0x56005656,0x05000505, | |
232 | 0x1b001b1b,0xa400a4a4,0x15001515,0x34003434, | |
233 | 0x1e001e1e,0x1c001c1c,0xf800f8f8,0x52005252, | |
234 | 0x20002020,0x14001414,0xe900e9e9,0xbd00bdbd, | |
235 | 0xdd00dddd,0xe400e4e4,0xa100a1a1,0xe000e0e0, | |
236 | 0x8a008a8a,0xf100f1f1,0xd600d6d6,0x7a007a7a, | |
237 | 0xbb00bbbb,0xe300e3e3,0x40004040,0x4f004f4f, | |
238 | }; | |
239 | ||
240 | static const u32 camellia_sp4404[256] = { | |
241 | 0x70700070,0x2c2c002c,0xb3b300b3,0xc0c000c0, | |
242 | 0xe4e400e4,0x57570057,0xeaea00ea,0xaeae00ae, | |
243 | 0x23230023,0x6b6b006b,0x45450045,0xa5a500a5, | |
244 | 0xeded00ed,0x4f4f004f,0x1d1d001d,0x92920092, | |
245 | 0x86860086,0xafaf00af,0x7c7c007c,0x1f1f001f, | |
246 | 0x3e3e003e,0xdcdc00dc,0x5e5e005e,0x0b0b000b, | |
247 | 0xa6a600a6,0x39390039,0xd5d500d5,0x5d5d005d, | |
248 | 0xd9d900d9,0x5a5a005a,0x51510051,0x6c6c006c, | |
249 | 0x8b8b008b,0x9a9a009a,0xfbfb00fb,0xb0b000b0, | |
250 | 0x74740074,0x2b2b002b,0xf0f000f0,0x84840084, | |
251 | 0xdfdf00df,0xcbcb00cb,0x34340034,0x76760076, | |
252 | 0x6d6d006d,0xa9a900a9,0xd1d100d1,0x04040004, | |
253 | 0x14140014,0x3a3a003a,0xdede00de,0x11110011, | |
254 | 0x32320032,0x9c9c009c,0x53530053,0xf2f200f2, | |
255 | 0xfefe00fe,0xcfcf00cf,0xc3c300c3,0x7a7a007a, | |
256 | 0x24240024,0xe8e800e8,0x60600060,0x69690069, | |
257 | 0xaaaa00aa,0xa0a000a0,0xa1a100a1,0x62620062, | |
258 | 0x54540054,0x1e1e001e,0xe0e000e0,0x64640064, | |
259 | 0x10100010,0x00000000,0xa3a300a3,0x75750075, | |
260 | 0x8a8a008a,0xe6e600e6,0x09090009,0xdddd00dd, | |
261 | 0x87870087,0x83830083,0xcdcd00cd,0x90900090, | |
262 | 0x73730073,0xf6f600f6,0x9d9d009d,0xbfbf00bf, | |
263 | 0x52520052,0xd8d800d8,0xc8c800c8,0xc6c600c6, | |
264 | 0x81810081,0x6f6f006f,0x13130013,0x63630063, | |
265 | 0xe9e900e9,0xa7a700a7,0x9f9f009f,0xbcbc00bc, | |
266 | 0x29290029,0xf9f900f9,0x2f2f002f,0xb4b400b4, | |
267 | 0x78780078,0x06060006,0xe7e700e7,0x71710071, | |
268 | 0xd4d400d4,0xabab00ab,0x88880088,0x8d8d008d, | |
269 | 0x72720072,0xb9b900b9,0xf8f800f8,0xacac00ac, | |
270 | 0x36360036,0x2a2a002a,0x3c3c003c,0xf1f100f1, | |
271 | 0x40400040,0xd3d300d3,0xbbbb00bb,0x43430043, | |
272 | 0x15150015,0xadad00ad,0x77770077,0x80800080, | |
273 | 0x82820082,0xecec00ec,0x27270027,0xe5e500e5, | |
274 | 0x85850085,0x35350035,0x0c0c000c,0x41410041, | |
275 | 0xefef00ef,0x93930093,0x19190019,0x21210021, | |
276 | 0x0e0e000e,0x4e4e004e,0x65650065,0xbdbd00bd, | |
277 | 0xb8b800b8,0x8f8f008f,0xebeb00eb,0xcece00ce, | |
278 | 0x30300030,0x5f5f005f,0xc5c500c5,0x1a1a001a, | |
279 | 0xe1e100e1,0xcaca00ca,0x47470047,0x3d3d003d, | |
280 | 0x01010001,0xd6d600d6,0x56560056,0x4d4d004d, | |
281 | 0x0d0d000d,0x66660066,0xcccc00cc,0x2d2d002d, | |
282 | 0x12120012,0x20200020,0xb1b100b1,0x99990099, | |
283 | 0x4c4c004c,0xc2c200c2,0x7e7e007e,0x05050005, | |
284 | 0xb7b700b7,0x31310031,0x17170017,0xd7d700d7, | |
285 | 0x58580058,0x61610061,0x1b1b001b,0x1c1c001c, | |
286 | 0x0f0f000f,0x16160016,0x18180018,0x22220022, | |
287 | 0x44440044,0xb2b200b2,0xb5b500b5,0x91910091, | |
288 | 0x08080008,0xa8a800a8,0xfcfc00fc,0x50500050, | |
289 | 0xd0d000d0,0x7d7d007d,0x89890089,0x97970097, | |
290 | 0x5b5b005b,0x95950095,0xffff00ff,0xd2d200d2, | |
291 | 0xc4c400c4,0x48480048,0xf7f700f7,0xdbdb00db, | |
292 | 0x03030003,0xdada00da,0x3f3f003f,0x94940094, | |
293 | 0x5c5c005c,0x02020002,0x4a4a004a,0x33330033, | |
294 | 0x67670067,0xf3f300f3,0x7f7f007f,0xe2e200e2, | |
295 | 0x9b9b009b,0x26260026,0x37370037,0x3b3b003b, | |
296 | 0x96960096,0x4b4b004b,0xbebe00be,0x2e2e002e, | |
297 | 0x79790079,0x8c8c008c,0x6e6e006e,0x8e8e008e, | |
298 | 0xf5f500f5,0xb6b600b6,0xfdfd00fd,0x59590059, | |
299 | 0x98980098,0x6a6a006a,0x46460046,0xbaba00ba, | |
300 | 0x25250025,0x42420042,0xa2a200a2,0xfafa00fa, | |
301 | 0x07070007,0x55550055,0xeeee00ee,0x0a0a000a, | |
302 | 0x49490049,0x68680068,0x38380038,0xa4a400a4, | |
303 | 0x28280028,0x7b7b007b,0xc9c900c9,0xc1c100c1, | |
304 | 0xe3e300e3,0xf4f400f4,0xc7c700c7,0x9e9e009e, | |
305 | }; | |
306 | ||
307 | ||
1721a812 DV |
308 | #define CAMELLIA_MIN_KEY_SIZE 16 |
309 | #define CAMELLIA_MAX_KEY_SIZE 32 | |
310 | #define CAMELLIA_BLOCK_SIZE 16 | |
311 | #define CAMELLIA_TABLE_BYTE_LEN 272 | |
312 | ||
313 | ||
314 | /* key constants */ | |
315 | ||
316 | #define CAMELLIA_SIGMA1L (0xA09E667FL) | |
317 | #define CAMELLIA_SIGMA1R (0x3BCC908BL) | |
318 | #define CAMELLIA_SIGMA2L (0xB67AE858L) | |
319 | #define CAMELLIA_SIGMA2R (0x4CAA73B2L) | |
320 | #define CAMELLIA_SIGMA3L (0xC6EF372FL) | |
321 | #define CAMELLIA_SIGMA3R (0xE94F82BEL) | |
322 | #define CAMELLIA_SIGMA4L (0x54FF53A5L) | |
323 | #define CAMELLIA_SIGMA4R (0xF1D36F1CL) | |
324 | #define CAMELLIA_SIGMA5L (0x10E527FAL) | |
325 | #define CAMELLIA_SIGMA5R (0xDE682D1DL) | |
326 | #define CAMELLIA_SIGMA6L (0xB05688C2L) | |
327 | #define CAMELLIA_SIGMA6R (0xB3E6C1FDL) | |
328 | ||
329 | /* | |
330 | * macros | |
331 | */ | |
332 | ||
1ce73e8d DV |
333 | # define GETU32(v, pt) \ |
334 | do { \ | |
335 | /* latest breed of gcc is clever enough to use move */ \ | |
336 | memcpy(&(v), (pt), 4); \ | |
337 | (v) = be32_to_cpu(v); \ | |
338 | } while(0) | |
1721a812 DV |
339 | |
340 | /* rotation right shift 1byte */ | |
3a5e5f81 | 341 | #define ROR8(x) (((x) >> 8) + ((x) << 24)) |
1721a812 | 342 | /* rotation left shift 1bit */ |
3a5e5f81 | 343 | #define ROL1(x) (((x) << 1) + ((x) >> 31)) |
1721a812 | 344 | /* rotation left shift 1byte */ |
3a5e5f81 | 345 | #define ROL8(x) (((x) << 8) + ((x) >> 24)) |
1721a812 | 346 | |
3a5e5f81 | 347 | #define ROLDQ(ll, lr, rl, rr, w0, w1, bits) \ |
1721a812 DV |
348 | do { \ |
349 | w0 = ll; \ | |
350 | ll = (ll << bits) + (lr >> (32 - bits)); \ | |
351 | lr = (lr << bits) + (rl >> (32 - bits)); \ | |
352 | rl = (rl << bits) + (rr >> (32 - bits)); \ | |
353 | rr = (rr << bits) + (w0 >> (32 - bits)); \ | |
354 | } while(0) | |
355 | ||
3a5e5f81 | 356 | #define ROLDQo32(ll, lr, rl, rr, w0, w1, bits) \ |
1721a812 DV |
357 | do { \ |
358 | w0 = ll; \ | |
359 | w1 = lr; \ | |
360 | ll = (lr << (bits - 32)) + (rl >> (64 - bits)); \ | |
361 | lr = (rl << (bits - 32)) + (rr >> (64 - bits)); \ | |
362 | rl = (rr << (bits - 32)) + (w0 >> (64 - bits)); \ | |
363 | rr = (w0 << (bits - 32)) + (w1 >> (64 - bits)); \ | |
364 | } while(0) | |
365 | ||
366 | ||
367 | #define CAMELLIA_F(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \ | |
368 | do { \ | |
369 | il = xl ^ kl; \ | |
370 | ir = xr ^ kr; \ | |
371 | t0 = il >> 16; \ | |
372 | t1 = ir >> 16; \ | |
373 | yl = camellia_sp1110[ir & 0xff] \ | |
374 | ^ camellia_sp0222[(t1 >> 8) & 0xff] \ | |
375 | ^ camellia_sp3033[t1 & 0xff] \ | |
376 | ^ camellia_sp4404[(ir >> 8) & 0xff]; \ | |
377 | yr = camellia_sp1110[(t0 >> 8) & 0xff] \ | |
378 | ^ camellia_sp0222[t0 & 0xff] \ | |
379 | ^ camellia_sp3033[(il >> 8) & 0xff] \ | |
380 | ^ camellia_sp4404[il & 0xff]; \ | |
381 | yl ^= yr; \ | |
3a5e5f81 | 382 | yr = ROR8(yr); \ |
1721a812 DV |
383 | yr ^= yl; \ |
384 | } while(0) | |
385 | ||
386 | ||
387 | /* | |
388 | * for speed up | |
389 | * | |
390 | */ | |
391 | #define CAMELLIA_FLS(ll, lr, rl, rr, kll, klr, krl, krr, t0, t1, t2, t3) \ | |
392 | do { \ | |
393 | t0 = kll; \ | |
394 | t2 = krr; \ | |
395 | t0 &= ll; \ | |
396 | t2 |= rr; \ | |
397 | rl ^= t2; \ | |
3a5e5f81 | 398 | lr ^= ROL1(t0); \ |
1721a812 DV |
399 | t3 = krl; \ |
400 | t1 = klr; \ | |
401 | t3 &= rl; \ | |
402 | t1 |= lr; \ | |
403 | ll ^= t1; \ | |
3a5e5f81 | 404 | rr ^= ROL1(t3); \ |
1721a812 DV |
405 | } while(0) |
406 | ||
407 | #define CAMELLIA_ROUNDSM(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \ | |
408 | do { \ | |
409 | ir = camellia_sp1110[xr & 0xff]; \ | |
410 | il = camellia_sp1110[(xl>>24) & 0xff]; \ | |
411 | ir ^= camellia_sp0222[(xr>>24) & 0xff]; \ | |
412 | il ^= camellia_sp0222[(xl>>16) & 0xff]; \ | |
413 | ir ^= camellia_sp3033[(xr>>16) & 0xff]; \ | |
414 | il ^= camellia_sp3033[(xl>>8) & 0xff]; \ | |
415 | ir ^= camellia_sp4404[(xr>>8) & 0xff]; \ | |
416 | il ^= camellia_sp4404[xl & 0xff]; \ | |
417 | il ^= kl; \ | |
418 | ir ^= il ^ kr; \ | |
419 | yl ^= ir; \ | |
3a5e5f81 | 420 | yr ^= ROR8(il) ^ ir; \ |
1721a812 DV |
421 | } while(0) |
422 | ||
423 | ||
3a5e5f81 DV |
424 | #define SUBKEY_L(INDEX) (subkey[(INDEX)*2]) |
425 | #define SUBKEY_R(INDEX) (subkey[(INDEX)*2 + 1]) | |
d64beac0 NT |
426 | |
427 | static void camellia_setup128(const unsigned char *key, u32 *subkey) | |
428 | { | |
429 | u32 kll, klr, krl, krr; | |
430 | u32 il, ir, t0, t1, w0, w1; | |
431 | u32 kw4l, kw4r, dw, tl, tr; | |
432 | u32 subL[26]; | |
433 | u32 subR[26]; | |
434 | ||
435 | /** | |
436 | * k == kll || klr || krl || krr (|| is concatination) | |
437 | */ | |
1ce73e8d DV |
438 | GETU32(kll, key ); |
439 | GETU32(klr, key + 4); | |
440 | GETU32(krl, key + 8); | |
441 | GETU32(krr, key + 12); | |
442 | ||
d64beac0 NT |
443 | /** |
444 | * generate KL dependent subkeys | |
445 | */ | |
446 | /* kw1 */ | |
1721a812 | 447 | subL[0] = kll; subR[0] = klr; |
d64beac0 | 448 | /* kw2 */ |
1721a812 | 449 | subL[1] = krl; subR[1] = krr; |
d64beac0 | 450 | /* rotation left shift 15bit */ |
3a5e5f81 | 451 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
d64beac0 | 452 | /* k3 */ |
1721a812 | 453 | subL[4] = kll; subR[4] = klr; |
d64beac0 | 454 | /* k4 */ |
1721a812 | 455 | subL[5] = krl; subR[5] = krr; |
d64beac0 | 456 | /* rotation left shift 15+30bit */ |
3a5e5f81 | 457 | ROLDQ(kll, klr, krl, krr, w0, w1, 30); |
d64beac0 | 458 | /* k7 */ |
1721a812 | 459 | subL[10] = kll; subR[10] = klr; |
d64beac0 | 460 | /* k8 */ |
1721a812 | 461 | subL[11] = krl; subR[11] = krr; |
d64beac0 | 462 | /* rotation left shift 15+30+15bit */ |
3a5e5f81 | 463 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
d64beac0 | 464 | /* k10 */ |
1721a812 | 465 | subL[13] = krl; subR[13] = krr; |
d64beac0 | 466 | /* rotation left shift 15+30+15+17 bit */ |
3a5e5f81 | 467 | ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
d64beac0 | 468 | /* kl3 */ |
1721a812 | 469 | subL[16] = kll; subR[16] = klr; |
d64beac0 | 470 | /* kl4 */ |
1721a812 | 471 | subL[17] = krl; subR[17] = krr; |
d64beac0 | 472 | /* rotation left shift 15+30+15+17+17 bit */ |
3a5e5f81 | 473 | ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
d64beac0 | 474 | /* k13 */ |
1721a812 | 475 | subL[18] = kll; subR[18] = klr; |
d64beac0 | 476 | /* k14 */ |
1721a812 | 477 | subL[19] = krl; subR[19] = krr; |
d64beac0 | 478 | /* rotation left shift 15+30+15+17+17+17 bit */ |
3a5e5f81 | 479 | ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
d64beac0 | 480 | /* k17 */ |
1721a812 | 481 | subL[22] = kll; subR[22] = klr; |
d64beac0 | 482 | /* k18 */ |
1721a812 | 483 | subL[23] = krl; subR[23] = krr; |
d64beac0 NT |
484 | |
485 | /* generate KA */ | |
1721a812 DV |
486 | kll = subL[0]; klr = subR[0]; |
487 | krl = subL[1]; krr = subR[1]; | |
d64beac0 NT |
488 | CAMELLIA_F(kll, klr, |
489 | CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R, | |
490 | w0, w1, il, ir, t0, t1); | |
491 | krl ^= w0; krr ^= w1; | |
492 | CAMELLIA_F(krl, krr, | |
493 | CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R, | |
494 | kll, klr, il, ir, t0, t1); | |
495 | /* current status == (kll, klr, w0, w1) */ | |
496 | CAMELLIA_F(kll, klr, | |
497 | CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R, | |
498 | krl, krr, il, ir, t0, t1); | |
499 | krl ^= w0; krr ^= w1; | |
500 | CAMELLIA_F(krl, krr, | |
501 | CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R, | |
502 | w0, w1, il, ir, t0, t1); | |
503 | kll ^= w0; klr ^= w1; | |
504 | ||
505 | /* generate KA dependent subkeys */ | |
506 | /* k1, k2 */ | |
1721a812 DV |
507 | subL[2] = kll; subR[2] = klr; |
508 | subL[3] = krl; subR[3] = krr; | |
3a5e5f81 | 509 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
d64beac0 | 510 | /* k5,k6 */ |
1721a812 DV |
511 | subL[6] = kll; subR[6] = klr; |
512 | subL[7] = krl; subR[7] = krr; | |
3a5e5f81 | 513 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
d64beac0 | 514 | /* kl1, kl2 */ |
1721a812 DV |
515 | subL[8] = kll; subR[8] = klr; |
516 | subL[9] = krl; subR[9] = krr; | |
3a5e5f81 | 517 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
d64beac0 | 518 | /* k9 */ |
1721a812 | 519 | subL[12] = kll; subR[12] = klr; |
3a5e5f81 | 520 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
d64beac0 | 521 | /* k11, k12 */ |
1721a812 DV |
522 | subL[14] = kll; subR[14] = klr; |
523 | subL[15] = krl; subR[15] = krr; | |
3a5e5f81 | 524 | ROLDQo32(kll, klr, krl, krr, w0, w1, 34); |
d64beac0 | 525 | /* k15, k16 */ |
1721a812 DV |
526 | subL[20] = kll; subR[20] = klr; |
527 | subL[21] = krl; subR[21] = krr; | |
3a5e5f81 | 528 | ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
d64beac0 | 529 | /* kw3, kw4 */ |
1721a812 DV |
530 | subL[24] = kll; subR[24] = klr; |
531 | subL[25] = krl; subR[25] = krr; | |
d64beac0 NT |
532 | |
533 | /* absorb kw2 to other subkeys */ | |
534 | /* round 2 */ | |
1721a812 | 535 | subL[3] ^= subL[1]; subR[3] ^= subR[1]; |
d64beac0 | 536 | /* round 4 */ |
1721a812 | 537 | subL[5] ^= subL[1]; subR[5] ^= subR[1]; |
d64beac0 | 538 | /* round 6 */ |
1721a812 DV |
539 | subL[7] ^= subL[1]; subR[7] ^= subR[1]; |
540 | subL[1] ^= subR[1] & ~subR[9]; | |
541 | dw = subL[1] & subL[9], | |
3a5e5f81 | 542 | subR[1] ^= ROL1(dw); /* modified for FLinv(kl2) */ |
d64beac0 | 543 | /* round 8 */ |
1721a812 | 544 | subL[11] ^= subL[1]; subR[11] ^= subR[1]; |
d64beac0 | 545 | /* round 10 */ |
1721a812 | 546 | subL[13] ^= subL[1]; subR[13] ^= subR[1]; |
d64beac0 | 547 | /* round 12 */ |
1721a812 DV |
548 | subL[15] ^= subL[1]; subR[15] ^= subR[1]; |
549 | subL[1] ^= subR[1] & ~subR[17]; | |
550 | dw = subL[1] & subL[17], | |
3a5e5f81 | 551 | subR[1] ^= ROL1(dw); /* modified for FLinv(kl4) */ |
d64beac0 | 552 | /* round 14 */ |
1721a812 | 553 | subL[19] ^= subL[1]; subR[19] ^= subR[1]; |
d64beac0 | 554 | /* round 16 */ |
1721a812 | 555 | subL[21] ^= subL[1]; subR[21] ^= subR[1]; |
d64beac0 | 556 | /* round 18 */ |
1721a812 | 557 | subL[23] ^= subL[1]; subR[23] ^= subR[1]; |
d64beac0 | 558 | /* kw3 */ |
1721a812 | 559 | subL[24] ^= subL[1]; subR[24] ^= subR[1]; |
d64beac0 NT |
560 | |
561 | /* absorb kw4 to other subkeys */ | |
1721a812 | 562 | kw4l = subL[25]; kw4r = subR[25]; |
d64beac0 | 563 | /* round 17 */ |
1721a812 | 564 | subL[22] ^= kw4l; subR[22] ^= kw4r; |
d64beac0 | 565 | /* round 15 */ |
1721a812 | 566 | subL[20] ^= kw4l; subR[20] ^= kw4r; |
d64beac0 | 567 | /* round 13 */ |
1721a812 DV |
568 | subL[18] ^= kw4l; subR[18] ^= kw4r; |
569 | kw4l ^= kw4r & ~subR[16]; | |
570 | dw = kw4l & subL[16], | |
3a5e5f81 | 571 | kw4r ^= ROL1(dw); /* modified for FL(kl3) */ |
d64beac0 | 572 | /* round 11 */ |
1721a812 | 573 | subL[14] ^= kw4l; subR[14] ^= kw4r; |
d64beac0 | 574 | /* round 9 */ |
1721a812 | 575 | subL[12] ^= kw4l; subR[12] ^= kw4r; |
d64beac0 | 576 | /* round 7 */ |
1721a812 DV |
577 | subL[10] ^= kw4l; subR[10] ^= kw4r; |
578 | kw4l ^= kw4r & ~subR[8]; | |
579 | dw = kw4l & subL[8], | |
3a5e5f81 | 580 | kw4r ^= ROL1(dw); /* modified for FL(kl1) */ |
d64beac0 | 581 | /* round 5 */ |
1721a812 | 582 | subL[6] ^= kw4l; subR[6] ^= kw4r; |
d64beac0 | 583 | /* round 3 */ |
1721a812 | 584 | subL[4] ^= kw4l; subR[4] ^= kw4r; |
d64beac0 | 585 | /* round 1 */ |
1721a812 | 586 | subL[2] ^= kw4l; subR[2] ^= kw4r; |
d64beac0 | 587 | /* kw1 */ |
1721a812 | 588 | subL[0] ^= kw4l; subR[0] ^= kw4r; |
d64beac0 NT |
589 | |
590 | /* key XOR is end of F-function */ | |
3a5e5f81 DV |
591 | SUBKEY_L(0) = subL[0] ^ subL[2];/* kw1 */ |
592 | SUBKEY_R(0) = subR[0] ^ subR[2]; | |
593 | SUBKEY_L(2) = subL[3]; /* round 1 */ | |
594 | SUBKEY_R(2) = subR[3]; | |
595 | SUBKEY_L(3) = subL[2] ^ subL[4]; /* round 2 */ | |
596 | SUBKEY_R(3) = subR[2] ^ subR[4]; | |
597 | SUBKEY_L(4) = subL[3] ^ subL[5]; /* round 3 */ | |
598 | SUBKEY_R(4) = subR[3] ^ subR[5]; | |
599 | SUBKEY_L(5) = subL[4] ^ subL[6]; /* round 4 */ | |
600 | SUBKEY_R(5) = subR[4] ^ subR[6]; | |
601 | SUBKEY_L(6) = subL[5] ^ subL[7]; /* round 5 */ | |
602 | SUBKEY_R(6) = subR[5] ^ subR[7]; | |
1721a812 DV |
603 | tl = subL[10] ^ (subR[10] & ~subR[8]); |
604 | dw = tl & subL[8], /* FL(kl1) */ | |
3a5e5f81 DV |
605 | tr = subR[10] ^ ROL1(dw); |
606 | SUBKEY_L(7) = subL[6] ^ tl; /* round 6 */ | |
607 | SUBKEY_R(7) = subR[6] ^ tr; | |
608 | SUBKEY_L(8) = subL[8]; /* FL(kl1) */ | |
609 | SUBKEY_R(8) = subR[8]; | |
610 | SUBKEY_L(9) = subL[9]; /* FLinv(kl2) */ | |
611 | SUBKEY_R(9) = subR[9]; | |
1721a812 DV |
612 | tl = subL[7] ^ (subR[7] & ~subR[9]); |
613 | dw = tl & subL[9], /* FLinv(kl2) */ | |
3a5e5f81 DV |
614 | tr = subR[7] ^ ROL1(dw); |
615 | SUBKEY_L(10) = tl ^ subL[11]; /* round 7 */ | |
616 | SUBKEY_R(10) = tr ^ subR[11]; | |
617 | SUBKEY_L(11) = subL[10] ^ subL[12]; /* round 8 */ | |
618 | SUBKEY_R(11) = subR[10] ^ subR[12]; | |
619 | SUBKEY_L(12) = subL[11] ^ subL[13]; /* round 9 */ | |
620 | SUBKEY_R(12) = subR[11] ^ subR[13]; | |
621 | SUBKEY_L(13) = subL[12] ^ subL[14]; /* round 10 */ | |
622 | SUBKEY_R(13) = subR[12] ^ subR[14]; | |
623 | SUBKEY_L(14) = subL[13] ^ subL[15]; /* round 11 */ | |
624 | SUBKEY_R(14) = subR[13] ^ subR[15]; | |
1721a812 DV |
625 | tl = subL[18] ^ (subR[18] & ~subR[16]); |
626 | dw = tl & subL[16], /* FL(kl3) */ | |
3a5e5f81 DV |
627 | tr = subR[18] ^ ROL1(dw); |
628 | SUBKEY_L(15) = subL[14] ^ tl; /* round 12 */ | |
629 | SUBKEY_R(15) = subR[14] ^ tr; | |
630 | SUBKEY_L(16) = subL[16]; /* FL(kl3) */ | |
631 | SUBKEY_R(16) = subR[16]; | |
632 | SUBKEY_L(17) = subL[17]; /* FLinv(kl4) */ | |
633 | SUBKEY_R(17) = subR[17]; | |
1721a812 DV |
634 | tl = subL[15] ^ (subR[15] & ~subR[17]); |
635 | dw = tl & subL[17], /* FLinv(kl4) */ | |
3a5e5f81 DV |
636 | tr = subR[15] ^ ROL1(dw); |
637 | SUBKEY_L(18) = tl ^ subL[19]; /* round 13 */ | |
638 | SUBKEY_R(18) = tr ^ subR[19]; | |
639 | SUBKEY_L(19) = subL[18] ^ subL[20]; /* round 14 */ | |
640 | SUBKEY_R(19) = subR[18] ^ subR[20]; | |
641 | SUBKEY_L(20) = subL[19] ^ subL[21]; /* round 15 */ | |
642 | SUBKEY_R(20) = subR[19] ^ subR[21]; | |
643 | SUBKEY_L(21) = subL[20] ^ subL[22]; /* round 16 */ | |
644 | SUBKEY_R(21) = subR[20] ^ subR[22]; | |
645 | SUBKEY_L(22) = subL[21] ^ subL[23]; /* round 17 */ | |
646 | SUBKEY_R(22) = subR[21] ^ subR[23]; | |
647 | SUBKEY_L(23) = subL[22]; /* round 18 */ | |
648 | SUBKEY_R(23) = subR[22]; | |
649 | SUBKEY_L(24) = subL[24] ^ subL[23]; /* kw3 */ | |
650 | SUBKEY_R(24) = subR[24] ^ subR[23]; | |
d64beac0 NT |
651 | |
652 | /* apply the inverse of the last half of P-function */ | |
3a5e5f81 DV |
653 | dw = SUBKEY_L(2) ^ SUBKEY_R(2); dw = ROL8(dw);/* round 1 */ |
654 | SUBKEY_R(2) = SUBKEY_L(2) ^ dw; SUBKEY_L(2) = dw; | |
655 | dw = SUBKEY_L(3) ^ SUBKEY_R(3); dw = ROL8(dw);/* round 2 */ | |
656 | SUBKEY_R(3) = SUBKEY_L(3) ^ dw; SUBKEY_L(3) = dw; | |
657 | dw = SUBKEY_L(4) ^ SUBKEY_R(4); dw = ROL8(dw);/* round 3 */ | |
658 | SUBKEY_R(4) = SUBKEY_L(4) ^ dw; SUBKEY_L(4) = dw; | |
659 | dw = SUBKEY_L(5) ^ SUBKEY_R(5); dw = ROL8(dw);/* round 4 */ | |
660 | SUBKEY_R(5) = SUBKEY_L(5) ^ dw; SUBKEY_L(5) = dw; | |
661 | dw = SUBKEY_L(6) ^ SUBKEY_R(6); dw = ROL8(dw);/* round 5 */ | |
662 | SUBKEY_R(6) = SUBKEY_L(6) ^ dw; SUBKEY_L(6) = dw; | |
663 | dw = SUBKEY_L(7) ^ SUBKEY_R(7); dw = ROL8(dw);/* round 6 */ | |
664 | SUBKEY_R(7) = SUBKEY_L(7) ^ dw; SUBKEY_L(7) = dw; | |
665 | dw = SUBKEY_L(10) ^ SUBKEY_R(10); dw = ROL8(dw);/* round 7 */ | |
666 | SUBKEY_R(10) = SUBKEY_L(10) ^ dw; SUBKEY_L(10) = dw; | |
667 | dw = SUBKEY_L(11) ^ SUBKEY_R(11); dw = ROL8(dw);/* round 8 */ | |
668 | SUBKEY_R(11) = SUBKEY_L(11) ^ dw; SUBKEY_L(11) = dw; | |
669 | dw = SUBKEY_L(12) ^ SUBKEY_R(12); dw = ROL8(dw);/* round 9 */ | |
670 | SUBKEY_R(12) = SUBKEY_L(12) ^ dw; SUBKEY_L(12) = dw; | |
671 | dw = SUBKEY_L(13) ^ SUBKEY_R(13); dw = ROL8(dw);/* round 10 */ | |
672 | SUBKEY_R(13) = SUBKEY_L(13) ^ dw; SUBKEY_L(13) = dw; | |
673 | dw = SUBKEY_L(14) ^ SUBKEY_R(14); dw = ROL8(dw);/* round 11 */ | |
674 | SUBKEY_R(14) = SUBKEY_L(14) ^ dw; SUBKEY_L(14) = dw; | |
675 | dw = SUBKEY_L(15) ^ SUBKEY_R(15); dw = ROL8(dw);/* round 12 */ | |
676 | SUBKEY_R(15) = SUBKEY_L(15) ^ dw; SUBKEY_L(15) = dw; | |
677 | dw = SUBKEY_L(18) ^ SUBKEY_R(18); dw = ROL8(dw);/* round 13 */ | |
678 | SUBKEY_R(18) = SUBKEY_L(18) ^ dw; SUBKEY_L(18) = dw; | |
679 | dw = SUBKEY_L(19) ^ SUBKEY_R(19); dw = ROL8(dw);/* round 14 */ | |
680 | SUBKEY_R(19) = SUBKEY_L(19) ^ dw; SUBKEY_L(19) = dw; | |
681 | dw = SUBKEY_L(20) ^ SUBKEY_R(20); dw = ROL8(dw);/* round 15 */ | |
682 | SUBKEY_R(20) = SUBKEY_L(20) ^ dw; SUBKEY_L(20) = dw; | |
683 | dw = SUBKEY_L(21) ^ SUBKEY_R(21); dw = ROL8(dw);/* round 16 */ | |
684 | SUBKEY_R(21) = SUBKEY_L(21) ^ dw; SUBKEY_L(21) = dw; | |
685 | dw = SUBKEY_L(22) ^ SUBKEY_R(22); dw = ROL8(dw);/* round 17 */ | |
686 | SUBKEY_R(22) = SUBKEY_L(22) ^ dw; SUBKEY_L(22) = dw; | |
687 | dw = SUBKEY_L(23) ^ SUBKEY_R(23); dw = ROL8(dw);/* round 18 */ | |
688 | SUBKEY_R(23) = SUBKEY_L(23) ^ dw; SUBKEY_L(23) = dw; | |
d64beac0 NT |
689 | } |
690 | ||
d64beac0 NT |
691 | static void camellia_setup256(const unsigned char *key, u32 *subkey) |
692 | { | |
1ce73e8d DV |
693 | u32 kll, klr, krl, krr; /* left half of key */ |
694 | u32 krll, krlr, krrl, krrr; /* right half of key */ | |
d64beac0 NT |
695 | u32 il, ir, t0, t1, w0, w1; /* temporary variables */ |
696 | u32 kw4l, kw4r, dw, tl, tr; | |
697 | u32 subL[34]; | |
698 | u32 subR[34]; | |
699 | ||
700 | /** | |
701 | * key = (kll || klr || krl || krr || krll || krlr || krrl || krrr) | |
702 | * (|| is concatination) | |
703 | */ | |
1ce73e8d DV |
704 | GETU32(kll, key ); |
705 | GETU32(klr, key + 4); | |
706 | GETU32(krl, key + 8); | |
707 | GETU32(krr, key + 12); | |
708 | GETU32(krll, key + 16); | |
709 | GETU32(krlr, key + 20); | |
710 | GETU32(krrl, key + 24); | |
711 | GETU32(krrr, key + 28); | |
d64beac0 NT |
712 | |
713 | /* generate KL dependent subkeys */ | |
714 | /* kw1 */ | |
1721a812 | 715 | subL[0] = kll; subR[0] = klr; |
d64beac0 | 716 | /* kw2 */ |
1721a812 | 717 | subL[1] = krl; subR[1] = krr; |
3a5e5f81 | 718 | ROLDQo32(kll, klr, krl, krr, w0, w1, 45); |
d64beac0 | 719 | /* k9 */ |
1721a812 | 720 | subL[12] = kll; subR[12] = klr; |
d64beac0 | 721 | /* k10 */ |
1721a812 | 722 | subL[13] = krl; subR[13] = krr; |
3a5e5f81 | 723 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
d64beac0 | 724 | /* kl3 */ |
1721a812 | 725 | subL[16] = kll; subR[16] = klr; |
d64beac0 | 726 | /* kl4 */ |
1721a812 | 727 | subL[17] = krl; subR[17] = krr; |
3a5e5f81 | 728 | ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
d64beac0 | 729 | /* k17 */ |
1721a812 | 730 | subL[22] = kll; subR[22] = klr; |
d64beac0 | 731 | /* k18 */ |
1721a812 | 732 | subL[23] = krl; subR[23] = krr; |
3a5e5f81 | 733 | ROLDQo32(kll, klr, krl, krr, w0, w1, 34); |
d64beac0 | 734 | /* k23 */ |
1721a812 | 735 | subL[30] = kll; subR[30] = klr; |
d64beac0 | 736 | /* k24 */ |
1721a812 | 737 | subL[31] = krl; subR[31] = krr; |
d64beac0 NT |
738 | |
739 | /* generate KR dependent subkeys */ | |
3a5e5f81 | 740 | ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); |
d64beac0 | 741 | /* k3 */ |
1721a812 | 742 | subL[4] = krll; subR[4] = krlr; |
d64beac0 | 743 | /* k4 */ |
1721a812 | 744 | subL[5] = krrl; subR[5] = krrr; |
3a5e5f81 | 745 | ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); |
d64beac0 | 746 | /* kl1 */ |
1721a812 | 747 | subL[8] = krll; subR[8] = krlr; |
d64beac0 | 748 | /* kl2 */ |
1721a812 | 749 | subL[9] = krrl; subR[9] = krrr; |
3a5e5f81 | 750 | ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
d64beac0 | 751 | /* k13 */ |
1721a812 | 752 | subL[18] = krll; subR[18] = krlr; |
d64beac0 | 753 | /* k14 */ |
1721a812 | 754 | subL[19] = krrl; subR[19] = krrr; |
3a5e5f81 | 755 | ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); |
d64beac0 | 756 | /* k19 */ |
1721a812 | 757 | subL[26] = krll; subR[26] = krlr; |
d64beac0 | 758 | /* k20 */ |
1721a812 | 759 | subL[27] = krrl; subR[27] = krrr; |
3a5e5f81 | 760 | ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); |
d64beac0 NT |
761 | |
762 | /* generate KA */ | |
1721a812 DV |
763 | kll = subL[0] ^ krll; klr = subR[0] ^ krlr; |
764 | krl = subL[1] ^ krrl; krr = subR[1] ^ krrr; | |
d64beac0 NT |
765 | CAMELLIA_F(kll, klr, |
766 | CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R, | |
767 | w0, w1, il, ir, t0, t1); | |
768 | krl ^= w0; krr ^= w1; | |
769 | CAMELLIA_F(krl, krr, | |
770 | CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R, | |
771 | kll, klr, il, ir, t0, t1); | |
772 | kll ^= krll; klr ^= krlr; | |
773 | CAMELLIA_F(kll, klr, | |
774 | CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R, | |
775 | krl, krr, il, ir, t0, t1); | |
776 | krl ^= w0 ^ krrl; krr ^= w1 ^ krrr; | |
777 | CAMELLIA_F(krl, krr, | |
778 | CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R, | |
779 | w0, w1, il, ir, t0, t1); | |
780 | kll ^= w0; klr ^= w1; | |
781 | ||
782 | /* generate KB */ | |
783 | krll ^= kll; krlr ^= klr; | |
784 | krrl ^= krl; krrr ^= krr; | |
785 | CAMELLIA_F(krll, krlr, | |
786 | CAMELLIA_SIGMA5L, CAMELLIA_SIGMA5R, | |
787 | w0, w1, il, ir, t0, t1); | |
788 | krrl ^= w0; krrr ^= w1; | |
789 | CAMELLIA_F(krrl, krrr, | |
790 | CAMELLIA_SIGMA6L, CAMELLIA_SIGMA6R, | |
791 | w0, w1, il, ir, t0, t1); | |
792 | krll ^= w0; krlr ^= w1; | |
793 | ||
794 | /* generate KA dependent subkeys */ | |
3a5e5f81 | 795 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
d64beac0 | 796 | /* k5 */ |
1721a812 | 797 | subL[6] = kll; subR[6] = klr; |
d64beac0 | 798 | /* k6 */ |
1721a812 | 799 | subL[7] = krl; subR[7] = krr; |
3a5e5f81 | 800 | ROLDQ(kll, klr, krl, krr, w0, w1, 30); |
d64beac0 | 801 | /* k11 */ |
1721a812 | 802 | subL[14] = kll; subR[14] = klr; |
d64beac0 | 803 | /* k12 */ |
1721a812 | 804 | subL[15] = krl; subR[15] = krr; |
d64beac0 NT |
805 | /* rotation left shift 32bit */ |
806 | /* kl5 */ | |
1721a812 | 807 | subL[24] = klr; subR[24] = krl; |
d64beac0 | 808 | /* kl6 */ |
1721a812 | 809 | subL[25] = krr; subR[25] = kll; |
d64beac0 | 810 | /* rotation left shift 49 from k11,k12 -> k21,k22 */ |
3a5e5f81 | 811 | ROLDQo32(kll, klr, krl, krr, w0, w1, 49); |
d64beac0 | 812 | /* k21 */ |
1721a812 | 813 | subL[28] = kll; subR[28] = klr; |
d64beac0 | 814 | /* k22 */ |
1721a812 | 815 | subL[29] = krl; subR[29] = krr; |
d64beac0 NT |
816 | |
817 | /* generate KB dependent subkeys */ | |
818 | /* k1 */ | |
1721a812 | 819 | subL[2] = krll; subR[2] = krlr; |
d64beac0 | 820 | /* k2 */ |
1721a812 | 821 | subL[3] = krrl; subR[3] = krrr; |
3a5e5f81 | 822 | ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
d64beac0 | 823 | /* k7 */ |
1721a812 | 824 | subL[10] = krll; subR[10] = krlr; |
d64beac0 | 825 | /* k8 */ |
1721a812 | 826 | subL[11] = krrl; subR[11] = krrr; |
3a5e5f81 | 827 | ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
d64beac0 | 828 | /* k15 */ |
1721a812 | 829 | subL[20] = krll; subR[20] = krlr; |
d64beac0 | 830 | /* k16 */ |
1721a812 | 831 | subL[21] = krrl; subR[21] = krrr; |
3a5e5f81 | 832 | ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 51); |
d64beac0 | 833 | /* kw3 */ |
1721a812 | 834 | subL[32] = krll; subR[32] = krlr; |
d64beac0 | 835 | /* kw4 */ |
1721a812 | 836 | subL[33] = krrl; subR[33] = krrr; |
d64beac0 NT |
837 | |
838 | /* absorb kw2 to other subkeys */ | |
839 | /* round 2 */ | |
1721a812 | 840 | subL[3] ^= subL[1]; subR[3] ^= subR[1]; |
d64beac0 | 841 | /* round 4 */ |
1721a812 | 842 | subL[5] ^= subL[1]; subR[5] ^= subR[1]; |
d64beac0 | 843 | /* round 6 */ |
1721a812 DV |
844 | subL[7] ^= subL[1]; subR[7] ^= subR[1]; |
845 | subL[1] ^= subR[1] & ~subR[9]; | |
846 | dw = subL[1] & subL[9], | |
3a5e5f81 | 847 | subR[1] ^= ROL1(dw); /* modified for FLinv(kl2) */ |
d64beac0 | 848 | /* round 8 */ |
1721a812 | 849 | subL[11] ^= subL[1]; subR[11] ^= subR[1]; |
d64beac0 | 850 | /* round 10 */ |
1721a812 | 851 | subL[13] ^= subL[1]; subR[13] ^= subR[1]; |
d64beac0 | 852 | /* round 12 */ |
1721a812 DV |
853 | subL[15] ^= subL[1]; subR[15] ^= subR[1]; |
854 | subL[1] ^= subR[1] & ~subR[17]; | |
855 | dw = subL[1] & subL[17], | |
3a5e5f81 | 856 | subR[1] ^= ROL1(dw); /* modified for FLinv(kl4) */ |
d64beac0 | 857 | /* round 14 */ |
1721a812 | 858 | subL[19] ^= subL[1]; subR[19] ^= subR[1]; |
d64beac0 | 859 | /* round 16 */ |
1721a812 | 860 | subL[21] ^= subL[1]; subR[21] ^= subR[1]; |
d64beac0 | 861 | /* round 18 */ |
1721a812 DV |
862 | subL[23] ^= subL[1]; subR[23] ^= subR[1]; |
863 | subL[1] ^= subR[1] & ~subR[25]; | |
864 | dw = subL[1] & subL[25], | |
3a5e5f81 | 865 | subR[1] ^= ROL1(dw); /* modified for FLinv(kl6) */ |
d64beac0 | 866 | /* round 20 */ |
1721a812 | 867 | subL[27] ^= subL[1]; subR[27] ^= subR[1]; |
d64beac0 | 868 | /* round 22 */ |
1721a812 | 869 | subL[29] ^= subL[1]; subR[29] ^= subR[1]; |
d64beac0 | 870 | /* round 24 */ |
1721a812 | 871 | subL[31] ^= subL[1]; subR[31] ^= subR[1]; |
d64beac0 | 872 | /* kw3 */ |
1721a812 | 873 | subL[32] ^= subL[1]; subR[32] ^= subR[1]; |
d64beac0 NT |
874 | |
875 | /* absorb kw4 to other subkeys */ | |
1721a812 | 876 | kw4l = subL[33]; kw4r = subR[33]; |
d64beac0 | 877 | /* round 23 */ |
1721a812 | 878 | subL[30] ^= kw4l; subR[30] ^= kw4r; |
d64beac0 | 879 | /* round 21 */ |
1721a812 | 880 | subL[28] ^= kw4l; subR[28] ^= kw4r; |
d64beac0 | 881 | /* round 19 */ |
1721a812 DV |
882 | subL[26] ^= kw4l; subR[26] ^= kw4r; |
883 | kw4l ^= kw4r & ~subR[24]; | |
884 | dw = kw4l & subL[24], | |
3a5e5f81 | 885 | kw4r ^= ROL1(dw); /* modified for FL(kl5) */ |
d64beac0 | 886 | /* round 17 */ |
1721a812 | 887 | subL[22] ^= kw4l; subR[22] ^= kw4r; |
d64beac0 | 888 | /* round 15 */ |
1721a812 | 889 | subL[20] ^= kw4l; subR[20] ^= kw4r; |
d64beac0 | 890 | /* round 13 */ |
1721a812 DV |
891 | subL[18] ^= kw4l; subR[18] ^= kw4r; |
892 | kw4l ^= kw4r & ~subR[16]; | |
893 | dw = kw4l & subL[16], | |
3a5e5f81 | 894 | kw4r ^= ROL1(dw); /* modified for FL(kl3) */ |
d64beac0 | 895 | /* round 11 */ |
1721a812 | 896 | subL[14] ^= kw4l; subR[14] ^= kw4r; |
d64beac0 | 897 | /* round 9 */ |
1721a812 | 898 | subL[12] ^= kw4l; subR[12] ^= kw4r; |
d64beac0 | 899 | /* round 7 */ |
1721a812 DV |
900 | subL[10] ^= kw4l; subR[10] ^= kw4r; |
901 | kw4l ^= kw4r & ~subR[8]; | |
902 | dw = kw4l & subL[8], | |
3a5e5f81 | 903 | kw4r ^= ROL1(dw); /* modified for FL(kl1) */ |
d64beac0 | 904 | /* round 5 */ |
1721a812 | 905 | subL[6] ^= kw4l; subR[6] ^= kw4r; |
d64beac0 | 906 | /* round 3 */ |
1721a812 | 907 | subL[4] ^= kw4l; subR[4] ^= kw4r; |
d64beac0 | 908 | /* round 1 */ |
1721a812 | 909 | subL[2] ^= kw4l; subR[2] ^= kw4r; |
d64beac0 | 910 | /* kw1 */ |
1721a812 | 911 | subL[0] ^= kw4l; subR[0] ^= kw4r; |
d64beac0 NT |
912 | |
913 | /* key XOR is end of F-function */ | |
3a5e5f81 DV |
914 | SUBKEY_L(0) = subL[0] ^ subL[2];/* kw1 */ |
915 | SUBKEY_R(0) = subR[0] ^ subR[2]; | |
916 | SUBKEY_L(2) = subL[3]; /* round 1 */ | |
917 | SUBKEY_R(2) = subR[3]; | |
918 | SUBKEY_L(3) = subL[2] ^ subL[4]; /* round 2 */ | |
919 | SUBKEY_R(3) = subR[2] ^ subR[4]; | |
920 | SUBKEY_L(4) = subL[3] ^ subL[5]; /* round 3 */ | |
921 | SUBKEY_R(4) = subR[3] ^ subR[5]; | |
922 | SUBKEY_L(5) = subL[4] ^ subL[6]; /* round 4 */ | |
923 | SUBKEY_R(5) = subR[4] ^ subR[6]; | |
924 | SUBKEY_L(6) = subL[5] ^ subL[7]; /* round 5 */ | |
925 | SUBKEY_R(6) = subR[5] ^ subR[7]; | |
1721a812 DV |
926 | tl = subL[10] ^ (subR[10] & ~subR[8]); |
927 | dw = tl & subL[8], /* FL(kl1) */ | |
3a5e5f81 DV |
928 | tr = subR[10] ^ ROL1(dw); |
929 | SUBKEY_L(7) = subL[6] ^ tl; /* round 6 */ | |
930 | SUBKEY_R(7) = subR[6] ^ tr; | |
931 | SUBKEY_L(8) = subL[8]; /* FL(kl1) */ | |
932 | SUBKEY_R(8) = subR[8]; | |
933 | SUBKEY_L(9) = subL[9]; /* FLinv(kl2) */ | |
934 | SUBKEY_R(9) = subR[9]; | |
1721a812 DV |
935 | tl = subL[7] ^ (subR[7] & ~subR[9]); |
936 | dw = tl & subL[9], /* FLinv(kl2) */ | |
3a5e5f81 DV |
937 | tr = subR[7] ^ ROL1(dw); |
938 | SUBKEY_L(10) = tl ^ subL[11]; /* round 7 */ | |
939 | SUBKEY_R(10) = tr ^ subR[11]; | |
940 | SUBKEY_L(11) = subL[10] ^ subL[12]; /* round 8 */ | |
941 | SUBKEY_R(11) = subR[10] ^ subR[12]; | |
942 | SUBKEY_L(12) = subL[11] ^ subL[13]; /* round 9 */ | |
943 | SUBKEY_R(12) = subR[11] ^ subR[13]; | |
944 | SUBKEY_L(13) = subL[12] ^ subL[14]; /* round 10 */ | |
945 | SUBKEY_R(13) = subR[12] ^ subR[14]; | |
946 | SUBKEY_L(14) = subL[13] ^ subL[15]; /* round 11 */ | |
947 | SUBKEY_R(14) = subR[13] ^ subR[15]; | |
1721a812 DV |
948 | tl = subL[18] ^ (subR[18] & ~subR[16]); |
949 | dw = tl & subL[16], /* FL(kl3) */ | |
3a5e5f81 DV |
950 | tr = subR[18] ^ ROL1(dw); |
951 | SUBKEY_L(15) = subL[14] ^ tl; /* round 12 */ | |
952 | SUBKEY_R(15) = subR[14] ^ tr; | |
953 | SUBKEY_L(16) = subL[16]; /* FL(kl3) */ | |
954 | SUBKEY_R(16) = subR[16]; | |
955 | SUBKEY_L(17) = subL[17]; /* FLinv(kl4) */ | |
956 | SUBKEY_R(17) = subR[17]; | |
1721a812 DV |
957 | tl = subL[15] ^ (subR[15] & ~subR[17]); |
958 | dw = tl & subL[17], /* FLinv(kl4) */ | |
3a5e5f81 DV |
959 | tr = subR[15] ^ ROL1(dw); |
960 | SUBKEY_L(18) = tl ^ subL[19]; /* round 13 */ | |
961 | SUBKEY_R(18) = tr ^ subR[19]; | |
962 | SUBKEY_L(19) = subL[18] ^ subL[20]; /* round 14 */ | |
963 | SUBKEY_R(19) = subR[18] ^ subR[20]; | |
964 | SUBKEY_L(20) = subL[19] ^ subL[21]; /* round 15 */ | |
965 | SUBKEY_R(20) = subR[19] ^ subR[21]; | |
966 | SUBKEY_L(21) = subL[20] ^ subL[22]; /* round 16 */ | |
967 | SUBKEY_R(21) = subR[20] ^ subR[22]; | |
968 | SUBKEY_L(22) = subL[21] ^ subL[23]; /* round 17 */ | |
969 | SUBKEY_R(22) = subR[21] ^ subR[23]; | |
970 | tl = subL[26] ^ (subR[26] & ~subR[24]); | |
1721a812 | 971 | dw = tl & subL[24], /* FL(kl5) */ |
3a5e5f81 DV |
972 | tr = subR[26] ^ ROL1(dw); |
973 | SUBKEY_L(23) = subL[22] ^ tl; /* round 18 */ | |
974 | SUBKEY_R(23) = subR[22] ^ tr; | |
975 | SUBKEY_L(24) = subL[24]; /* FL(kl5) */ | |
976 | SUBKEY_R(24) = subR[24]; | |
977 | SUBKEY_L(25) = subL[25]; /* FLinv(kl6) */ | |
978 | SUBKEY_R(25) = subR[25]; | |
979 | tl = subL[23] ^ (subR[23] & ~subR[25]); | |
1721a812 | 980 | dw = tl & subL[25], /* FLinv(kl6) */ |
3a5e5f81 DV |
981 | tr = subR[23] ^ ROL1(dw); |
982 | SUBKEY_L(26) = tl ^ subL[27]; /* round 19 */ | |
983 | SUBKEY_R(26) = tr ^ subR[27]; | |
984 | SUBKEY_L(27) = subL[26] ^ subL[28]; /* round 20 */ | |
985 | SUBKEY_R(27) = subR[26] ^ subR[28]; | |
986 | SUBKEY_L(28) = subL[27] ^ subL[29]; /* round 21 */ | |
987 | SUBKEY_R(28) = subR[27] ^ subR[29]; | |
988 | SUBKEY_L(29) = subL[28] ^ subL[30]; /* round 22 */ | |
989 | SUBKEY_R(29) = subR[28] ^ subR[30]; | |
990 | SUBKEY_L(30) = subL[29] ^ subL[31]; /* round 23 */ | |
991 | SUBKEY_R(30) = subR[29] ^ subR[31]; | |
992 | SUBKEY_L(31) = subL[30]; /* round 24 */ | |
993 | SUBKEY_R(31) = subR[30]; | |
994 | SUBKEY_L(32) = subL[32] ^ subL[31]; /* kw3 */ | |
995 | SUBKEY_R(32) = subR[32] ^ subR[31]; | |
d64beac0 NT |
996 | |
997 | /* apply the inverse of the last half of P-function */ | |
3a5e5f81 DV |
998 | dw = SUBKEY_L(2) ^ SUBKEY_R(2); dw = ROL8(dw);/* round 1 */ |
999 | SUBKEY_R(2) = SUBKEY_L(2) ^ dw; SUBKEY_L(2) = dw; | |
1000 | dw = SUBKEY_L(3) ^ SUBKEY_R(3); dw = ROL8(dw);/* round 2 */ | |
1001 | SUBKEY_R(3) = SUBKEY_L(3) ^ dw; SUBKEY_L(3) = dw; | |
1002 | dw = SUBKEY_L(4) ^ SUBKEY_R(4); dw = ROL8(dw);/* round 3 */ | |
1003 | SUBKEY_R(4) = SUBKEY_L(4) ^ dw; SUBKEY_L(4) = dw; | |
1004 | dw = SUBKEY_L(5) ^ SUBKEY_R(5); dw = ROL8(dw);/* round 4 */ | |
1005 | SUBKEY_R(5) = SUBKEY_L(5) ^ dw; SUBKEY_L(5) = dw; | |
1006 | dw = SUBKEY_L(6) ^ SUBKEY_R(6); dw = ROL8(dw);/* round 5 */ | |
1007 | SUBKEY_R(6) = SUBKEY_L(6) ^ dw; SUBKEY_L(6) = dw; | |
1008 | dw = SUBKEY_L(7) ^ SUBKEY_R(7); dw = ROL8(dw);/* round 6 */ | |
1009 | SUBKEY_R(7) = SUBKEY_L(7) ^ dw; SUBKEY_L(7) = dw; | |
1010 | dw = SUBKEY_L(10) ^ SUBKEY_R(10); dw = ROL8(dw);/* round 7 */ | |
1011 | SUBKEY_R(10) = SUBKEY_L(10) ^ dw; SUBKEY_L(10) = dw; | |
1012 | dw = SUBKEY_L(11) ^ SUBKEY_R(11); dw = ROL8(dw);/* round 8 */ | |
1013 | SUBKEY_R(11) = SUBKEY_L(11) ^ dw; SUBKEY_L(11) = dw; | |
1014 | dw = SUBKEY_L(12) ^ SUBKEY_R(12); dw = ROL8(dw);/* round 9 */ | |
1015 | SUBKEY_R(12) = SUBKEY_L(12) ^ dw; SUBKEY_L(12) = dw; | |
1016 | dw = SUBKEY_L(13) ^ SUBKEY_R(13); dw = ROL8(dw);/* round 10 */ | |
1017 | SUBKEY_R(13) = SUBKEY_L(13) ^ dw; SUBKEY_L(13) = dw; | |
1018 | dw = SUBKEY_L(14) ^ SUBKEY_R(14); dw = ROL8(dw);/* round 11 */ | |
1019 | SUBKEY_R(14) = SUBKEY_L(14) ^ dw; SUBKEY_L(14) = dw; | |
1020 | dw = SUBKEY_L(15) ^ SUBKEY_R(15); dw = ROL8(dw);/* round 12 */ | |
1021 | SUBKEY_R(15) = SUBKEY_L(15) ^ dw; SUBKEY_L(15) = dw; | |
1022 | dw = SUBKEY_L(18) ^ SUBKEY_R(18); dw = ROL8(dw);/* round 13 */ | |
1023 | SUBKEY_R(18) = SUBKEY_L(18) ^ dw; SUBKEY_L(18) = dw; | |
1024 | dw = SUBKEY_L(19) ^ SUBKEY_R(19); dw = ROL8(dw);/* round 14 */ | |
1025 | SUBKEY_R(19) = SUBKEY_L(19) ^ dw; SUBKEY_L(19) = dw; | |
1026 | dw = SUBKEY_L(20) ^ SUBKEY_R(20); dw = ROL8(dw);/* round 15 */ | |
1027 | SUBKEY_R(20) = SUBKEY_L(20) ^ dw; SUBKEY_L(20) = dw; | |
1028 | dw = SUBKEY_L(21) ^ SUBKEY_R(21); dw = ROL8(dw);/* round 16 */ | |
1029 | SUBKEY_R(21) = SUBKEY_L(21) ^ dw; SUBKEY_L(21) = dw; | |
1030 | dw = SUBKEY_L(22) ^ SUBKEY_R(22); dw = ROL8(dw);/* round 17 */ | |
1031 | SUBKEY_R(22) = SUBKEY_L(22) ^ dw; SUBKEY_L(22) = dw; | |
1032 | dw = SUBKEY_L(23) ^ SUBKEY_R(23); dw = ROL8(dw);/* round 18 */ | |
1033 | SUBKEY_R(23) = SUBKEY_L(23) ^ dw; SUBKEY_L(23) = dw; | |
1034 | dw = SUBKEY_L(26) ^ SUBKEY_R(26); dw = ROL8(dw);/* round 19 */ | |
1035 | SUBKEY_R(26) = SUBKEY_L(26) ^ dw; SUBKEY_L(26) = dw; | |
1036 | dw = SUBKEY_L(27) ^ SUBKEY_R(27); dw = ROL8(dw);/* round 20 */ | |
1037 | SUBKEY_R(27) = SUBKEY_L(27) ^ dw; SUBKEY_L(27) = dw; | |
1038 | dw = SUBKEY_L(28) ^ SUBKEY_R(28); dw = ROL8(dw);/* round 21 */ | |
1039 | SUBKEY_R(28) = SUBKEY_L(28) ^ dw; SUBKEY_L(28) = dw; | |
1040 | dw = SUBKEY_L(29) ^ SUBKEY_R(29); dw = ROL8(dw);/* round 22 */ | |
1041 | SUBKEY_R(29) = SUBKEY_L(29) ^ dw; SUBKEY_L(29) = dw; | |
1042 | dw = SUBKEY_L(30) ^ SUBKEY_R(30); dw = ROL8(dw);/* round 23 */ | |
1043 | SUBKEY_R(30) = SUBKEY_L(30) ^ dw; SUBKEY_L(30) = dw; | |
1044 | dw = SUBKEY_L(31) ^ SUBKEY_R(31); dw = ROL8(dw);/* round 24 */ | |
1045 | SUBKEY_R(31) = SUBKEY_L(31) ^ dw; SUBKEY_L(31) = dw; | |
d64beac0 NT |
1046 | } |
1047 | ||
1048 | static void camellia_setup192(const unsigned char *key, u32 *subkey) | |
1049 | { | |
1050 | unsigned char kk[32]; | |
1051 | u32 krll, krlr, krrl,krrr; | |
1052 | ||
1053 | memcpy(kk, key, 24); | |
1721a812 DV |
1054 | memcpy((unsigned char *)&krll, key+16, 4); |
1055 | memcpy((unsigned char *)&krlr, key+20, 4); | |
d64beac0 NT |
1056 | krrl = ~krll; |
1057 | krrr = ~krlr; | |
1058 | memcpy(kk+24, (unsigned char *)&krrl, 4); | |
1059 | memcpy(kk+28, (unsigned char *)&krrr, 4); | |
1060 | camellia_setup256(kk, subkey); | |
d64beac0 NT |
1061 | } |
1062 | ||
1063 | ||
3a5e5f81 | 1064 | static void camellia_encrypt128(const u32 *subkey, u32 *io_text) |
d64beac0 | 1065 | { |
3a5e5f81 | 1066 | u32 il,ir,t0,t1; /* temporary variables */ |
d64beac0 NT |
1067 | |
1068 | u32 io[4]; | |
1069 | ||
1721a812 | 1070 | /* pre whitening but absorb kw2 */ |
3a5e5f81 DV |
1071 | io[0] = io_text[0] ^ SUBKEY_L(0); |
1072 | io[1] = io_text[1] ^ SUBKEY_R(0); | |
1073 | io[2] = io_text[2]; | |
1074 | io[3] = io_text[3]; | |
d64beac0 | 1075 | |
1721a812 | 1076 | /* main iteration */ |
d64beac0 | 1077 | CAMELLIA_ROUNDSM(io[0],io[1], |
3a5e5f81 | 1078 | SUBKEY_L(2),SUBKEY_R(2), |
d64beac0 NT |
1079 | io[2],io[3],il,ir,t0,t1); |
1080 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1081 | SUBKEY_L(3),SUBKEY_R(3), |
d64beac0 NT |
1082 | io[0],io[1],il,ir,t0,t1); |
1083 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1084 | SUBKEY_L(4),SUBKEY_R(4), |
d64beac0 NT |
1085 | io[2],io[3],il,ir,t0,t1); |
1086 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1087 | SUBKEY_L(5),SUBKEY_R(5), |
d64beac0 NT |
1088 | io[0],io[1],il,ir,t0,t1); |
1089 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1090 | SUBKEY_L(6),SUBKEY_R(6), |
d64beac0 NT |
1091 | io[2],io[3],il,ir,t0,t1); |
1092 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1093 | SUBKEY_L(7),SUBKEY_R(7), |
d64beac0 NT |
1094 | io[0],io[1],il,ir,t0,t1); |
1095 | ||
1096 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], | |
3a5e5f81 DV |
1097 | SUBKEY_L(8),SUBKEY_R(8), |
1098 | SUBKEY_L(9),SUBKEY_R(9), | |
d64beac0 NT |
1099 | t0,t1,il,ir); |
1100 | ||
1101 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1102 | SUBKEY_L(10),SUBKEY_R(10), |
d64beac0 NT |
1103 | io[2],io[3],il,ir,t0,t1); |
1104 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1105 | SUBKEY_L(11),SUBKEY_R(11), |
d64beac0 NT |
1106 | io[0],io[1],il,ir,t0,t1); |
1107 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1108 | SUBKEY_L(12),SUBKEY_R(12), |
d64beac0 NT |
1109 | io[2],io[3],il,ir,t0,t1); |
1110 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1111 | SUBKEY_L(13),SUBKEY_R(13), |
d64beac0 NT |
1112 | io[0],io[1],il,ir,t0,t1); |
1113 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1114 | SUBKEY_L(14),SUBKEY_R(14), |
d64beac0 NT |
1115 | io[2],io[3],il,ir,t0,t1); |
1116 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1117 | SUBKEY_L(15),SUBKEY_R(15), |
d64beac0 NT |
1118 | io[0],io[1],il,ir,t0,t1); |
1119 | ||
1120 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], | |
3a5e5f81 DV |
1121 | SUBKEY_L(16),SUBKEY_R(16), |
1122 | SUBKEY_L(17),SUBKEY_R(17), | |
d64beac0 NT |
1123 | t0,t1,il,ir); |
1124 | ||
1125 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1126 | SUBKEY_L(18),SUBKEY_R(18), |
d64beac0 NT |
1127 | io[2],io[3],il,ir,t0,t1); |
1128 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1129 | SUBKEY_L(19),SUBKEY_R(19), |
d64beac0 NT |
1130 | io[0],io[1],il,ir,t0,t1); |
1131 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1132 | SUBKEY_L(20),SUBKEY_R(20), |
d64beac0 NT |
1133 | io[2],io[3],il,ir,t0,t1); |
1134 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1135 | SUBKEY_L(21),SUBKEY_R(21), |
d64beac0 NT |
1136 | io[0],io[1],il,ir,t0,t1); |
1137 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1138 | SUBKEY_L(22),SUBKEY_R(22), |
d64beac0 NT |
1139 | io[2],io[3],il,ir,t0,t1); |
1140 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1141 | SUBKEY_L(23),SUBKEY_R(23), |
d64beac0 NT |
1142 | io[0],io[1],il,ir,t0,t1); |
1143 | ||
1144 | /* post whitening but kw4 */ | |
3a5e5f81 DV |
1145 | io_text[0] = io[2] ^ SUBKEY_L(24); |
1146 | io_text[1] = io[3] ^ SUBKEY_R(24); | |
1147 | io_text[2] = io[0]; | |
1148 | io_text[3] = io[1]; | |
d64beac0 NT |
1149 | } |
1150 | ||
3a5e5f81 | 1151 | static void camellia_decrypt128(const u32 *subkey, u32 *io_text) |
d64beac0 | 1152 | { |
3a5e5f81 | 1153 | u32 il,ir,t0,t1; /* temporary variables */ |
d64beac0 NT |
1154 | |
1155 | u32 io[4]; | |
1156 | ||
1721a812 | 1157 | /* pre whitening but absorb kw2 */ |
3a5e5f81 DV |
1158 | io[0] = io_text[0] ^ SUBKEY_L(24); |
1159 | io[1] = io_text[1] ^ SUBKEY_R(24); | |
1160 | io[2] = io_text[2]; | |
1161 | io[3] = io_text[3]; | |
d64beac0 NT |
1162 | |
1163 | /* main iteration */ | |
1164 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1165 | SUBKEY_L(23),SUBKEY_R(23), |
d64beac0 NT |
1166 | io[2],io[3],il,ir,t0,t1); |
1167 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1168 | SUBKEY_L(22),SUBKEY_R(22), |
d64beac0 NT |
1169 | io[0],io[1],il,ir,t0,t1); |
1170 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1171 | SUBKEY_L(21),SUBKEY_R(21), |
d64beac0 NT |
1172 | io[2],io[3],il,ir,t0,t1); |
1173 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1174 | SUBKEY_L(20),SUBKEY_R(20), |
d64beac0 NT |
1175 | io[0],io[1],il,ir,t0,t1); |
1176 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1177 | SUBKEY_L(19),SUBKEY_R(19), |
d64beac0 NT |
1178 | io[2],io[3],il,ir,t0,t1); |
1179 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1180 | SUBKEY_L(18),SUBKEY_R(18), |
d64beac0 NT |
1181 | io[0],io[1],il,ir,t0,t1); |
1182 | ||
1183 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], | |
3a5e5f81 DV |
1184 | SUBKEY_L(17),SUBKEY_R(17), |
1185 | SUBKEY_L(16),SUBKEY_R(16), | |
d64beac0 NT |
1186 | t0,t1,il,ir); |
1187 | ||
1188 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1189 | SUBKEY_L(15),SUBKEY_R(15), |
d64beac0 NT |
1190 | io[2],io[3],il,ir,t0,t1); |
1191 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1192 | SUBKEY_L(14),SUBKEY_R(14), |
d64beac0 NT |
1193 | io[0],io[1],il,ir,t0,t1); |
1194 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1195 | SUBKEY_L(13),SUBKEY_R(13), |
d64beac0 NT |
1196 | io[2],io[3],il,ir,t0,t1); |
1197 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1198 | SUBKEY_L(12),SUBKEY_R(12), |
d64beac0 NT |
1199 | io[0],io[1],il,ir,t0,t1); |
1200 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1201 | SUBKEY_L(11),SUBKEY_R(11), |
d64beac0 NT |
1202 | io[2],io[3],il,ir,t0,t1); |
1203 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1204 | SUBKEY_L(10),SUBKEY_R(10), |
d64beac0 NT |
1205 | io[0],io[1],il,ir,t0,t1); |
1206 | ||
1207 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], | |
3a5e5f81 DV |
1208 | SUBKEY_L(9),SUBKEY_R(9), |
1209 | SUBKEY_L(8),SUBKEY_R(8), | |
d64beac0 NT |
1210 | t0,t1,il,ir); |
1211 | ||
1212 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1213 | SUBKEY_L(7),SUBKEY_R(7), |
d64beac0 NT |
1214 | io[2],io[3],il,ir,t0,t1); |
1215 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1216 | SUBKEY_L(6),SUBKEY_R(6), |
d64beac0 NT |
1217 | io[0],io[1],il,ir,t0,t1); |
1218 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1219 | SUBKEY_L(5),SUBKEY_R(5), |
d64beac0 NT |
1220 | io[2],io[3],il,ir,t0,t1); |
1221 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1222 | SUBKEY_L(4),SUBKEY_R(4), |
d64beac0 NT |
1223 | io[0],io[1],il,ir,t0,t1); |
1224 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1225 | SUBKEY_L(3),SUBKEY_R(3), |
d64beac0 NT |
1226 | io[2],io[3],il,ir,t0,t1); |
1227 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1228 | SUBKEY_L(2),SUBKEY_R(2), |
d64beac0 NT |
1229 | io[0],io[1],il,ir,t0,t1); |
1230 | ||
1231 | /* post whitening but kw4 */ | |
3a5e5f81 DV |
1232 | io_text[0] = io[2] ^ SUBKEY_L(0); |
1233 | io_text[1] = io[3] ^ SUBKEY_R(0); | |
1234 | io_text[2] = io[0]; | |
1235 | io_text[3] = io[1]; | |
d64beac0 NT |
1236 | } |
1237 | ||
3a5e5f81 | 1238 | static void camellia_encrypt256(const u32 *subkey, u32 *io_text) |
d64beac0 | 1239 | { |
3a5e5f81 | 1240 | u32 il,ir,t0,t1; /* temporary variables */ |
d64beac0 NT |
1241 | |
1242 | u32 io[4]; | |
1243 | ||
1721a812 | 1244 | /* pre whitening but absorb kw2 */ |
3a5e5f81 DV |
1245 | io[0] = io_text[0] ^ SUBKEY_L(0); |
1246 | io[1] = io_text[1] ^ SUBKEY_R(0); | |
1247 | io[2] = io_text[2]; | |
1248 | io[3] = io_text[3]; | |
d64beac0 NT |
1249 | |
1250 | /* main iteration */ | |
1251 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1252 | SUBKEY_L(2),SUBKEY_R(2), |
d64beac0 NT |
1253 | io[2],io[3],il,ir,t0,t1); |
1254 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1255 | SUBKEY_L(3),SUBKEY_R(3), |
d64beac0 NT |
1256 | io[0],io[1],il,ir,t0,t1); |
1257 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1258 | SUBKEY_L(4),SUBKEY_R(4), |
d64beac0 NT |
1259 | io[2],io[3],il,ir,t0,t1); |
1260 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1261 | SUBKEY_L(5),SUBKEY_R(5), |
d64beac0 NT |
1262 | io[0],io[1],il,ir,t0,t1); |
1263 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1264 | SUBKEY_L(6),SUBKEY_R(6), |
d64beac0 NT |
1265 | io[2],io[3],il,ir,t0,t1); |
1266 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1267 | SUBKEY_L(7),SUBKEY_R(7), |
d64beac0 NT |
1268 | io[0],io[1],il,ir,t0,t1); |
1269 | ||
1270 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], | |
3a5e5f81 DV |
1271 | SUBKEY_L(8),SUBKEY_R(8), |
1272 | SUBKEY_L(9),SUBKEY_R(9), | |
d64beac0 NT |
1273 | t0,t1,il,ir); |
1274 | ||
1275 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1276 | SUBKEY_L(10),SUBKEY_R(10), |
d64beac0 NT |
1277 | io[2],io[3],il,ir,t0,t1); |
1278 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1279 | SUBKEY_L(11),SUBKEY_R(11), |
d64beac0 NT |
1280 | io[0],io[1],il,ir,t0,t1); |
1281 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1282 | SUBKEY_L(12),SUBKEY_R(12), |
d64beac0 NT |
1283 | io[2],io[3],il,ir,t0,t1); |
1284 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1285 | SUBKEY_L(13),SUBKEY_R(13), |
d64beac0 NT |
1286 | io[0],io[1],il,ir,t0,t1); |
1287 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1288 | SUBKEY_L(14),SUBKEY_R(14), |
d64beac0 NT |
1289 | io[2],io[3],il,ir,t0,t1); |
1290 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1291 | SUBKEY_L(15),SUBKEY_R(15), |
d64beac0 NT |
1292 | io[0],io[1],il,ir,t0,t1); |
1293 | ||
1294 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], | |
3a5e5f81 DV |
1295 | SUBKEY_L(16),SUBKEY_R(16), |
1296 | SUBKEY_L(17),SUBKEY_R(17), | |
d64beac0 NT |
1297 | t0,t1,il,ir); |
1298 | ||
1299 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1300 | SUBKEY_L(18),SUBKEY_R(18), |
d64beac0 NT |
1301 | io[2],io[3],il,ir,t0,t1); |
1302 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1303 | SUBKEY_L(19),SUBKEY_R(19), |
d64beac0 NT |
1304 | io[0],io[1],il,ir,t0,t1); |
1305 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1306 | SUBKEY_L(20),SUBKEY_R(20), |
d64beac0 NT |
1307 | io[2],io[3],il,ir,t0,t1); |
1308 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1309 | SUBKEY_L(21),SUBKEY_R(21), |
d64beac0 NT |
1310 | io[0],io[1],il,ir,t0,t1); |
1311 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1312 | SUBKEY_L(22),SUBKEY_R(22), |
d64beac0 NT |
1313 | io[2],io[3],il,ir,t0,t1); |
1314 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1315 | SUBKEY_L(23),SUBKEY_R(23), |
d64beac0 NT |
1316 | io[0],io[1],il,ir,t0,t1); |
1317 | ||
1318 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], | |
3a5e5f81 DV |
1319 | SUBKEY_L(24),SUBKEY_R(24), |
1320 | SUBKEY_L(25),SUBKEY_R(25), | |
d64beac0 NT |
1321 | t0,t1,il,ir); |
1322 | ||
1323 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1324 | SUBKEY_L(26),SUBKEY_R(26), |
d64beac0 NT |
1325 | io[2],io[3],il,ir,t0,t1); |
1326 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1327 | SUBKEY_L(27),SUBKEY_R(27), |
d64beac0 NT |
1328 | io[0],io[1],il,ir,t0,t1); |
1329 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1330 | SUBKEY_L(28),SUBKEY_R(28), |
d64beac0 NT |
1331 | io[2],io[3],il,ir,t0,t1); |
1332 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1333 | SUBKEY_L(29),SUBKEY_R(29), |
d64beac0 NT |
1334 | io[0],io[1],il,ir,t0,t1); |
1335 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1336 | SUBKEY_L(30),SUBKEY_R(30), |
d64beac0 NT |
1337 | io[2],io[3],il,ir,t0,t1); |
1338 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1339 | SUBKEY_L(31),SUBKEY_R(31), |
d64beac0 NT |
1340 | io[0],io[1],il,ir,t0,t1); |
1341 | ||
1342 | /* post whitening but kw4 */ | |
3a5e5f81 DV |
1343 | io_text[0] = io[2] ^ SUBKEY_L(32); |
1344 | io_text[1] = io[3] ^ SUBKEY_R(32); | |
1345 | io_text[2] = io[0]; | |
1346 | io_text[3] = io[1]; | |
d64beac0 NT |
1347 | } |
1348 | ||
3a5e5f81 | 1349 | static void camellia_decrypt256(const u32 *subkey, u32 *io_text) |
d64beac0 | 1350 | { |
3a5e5f81 | 1351 | u32 il,ir,t0,t1; /* temporary variables */ |
d64beac0 NT |
1352 | |
1353 | u32 io[4]; | |
1354 | ||
1721a812 | 1355 | /* pre whitening but absorb kw2 */ |
3a5e5f81 DV |
1356 | io[0] = io_text[0] ^ SUBKEY_L(32); |
1357 | io[1] = io_text[1] ^ SUBKEY_R(32); | |
1358 | io[2] = io_text[2]; | |
1359 | io[3] = io_text[3]; | |
d64beac0 NT |
1360 | |
1361 | /* main iteration */ | |
1362 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1363 | SUBKEY_L(31),SUBKEY_R(31), |
d64beac0 NT |
1364 | io[2],io[3],il,ir,t0,t1); |
1365 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1366 | SUBKEY_L(30),SUBKEY_R(30), |
d64beac0 NT |
1367 | io[0],io[1],il,ir,t0,t1); |
1368 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1369 | SUBKEY_L(29),SUBKEY_R(29), |
d64beac0 NT |
1370 | io[2],io[3],il,ir,t0,t1); |
1371 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1372 | SUBKEY_L(28),SUBKEY_R(28), |
d64beac0 NT |
1373 | io[0],io[1],il,ir,t0,t1); |
1374 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1375 | SUBKEY_L(27),SUBKEY_R(27), |
d64beac0 NT |
1376 | io[2],io[3],il,ir,t0,t1); |
1377 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1378 | SUBKEY_L(26),SUBKEY_R(26), |
d64beac0 NT |
1379 | io[0],io[1],il,ir,t0,t1); |
1380 | ||
1381 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], | |
3a5e5f81 DV |
1382 | SUBKEY_L(25),SUBKEY_R(25), |
1383 | SUBKEY_L(24),SUBKEY_R(24), | |
d64beac0 NT |
1384 | t0,t1,il,ir); |
1385 | ||
1386 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1387 | SUBKEY_L(23),SUBKEY_R(23), |
d64beac0 NT |
1388 | io[2],io[3],il,ir,t0,t1); |
1389 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1390 | SUBKEY_L(22),SUBKEY_R(22), |
d64beac0 NT |
1391 | io[0],io[1],il,ir,t0,t1); |
1392 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1393 | SUBKEY_L(21),SUBKEY_R(21), |
d64beac0 NT |
1394 | io[2],io[3],il,ir,t0,t1); |
1395 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1396 | SUBKEY_L(20),SUBKEY_R(20), |
d64beac0 NT |
1397 | io[0],io[1],il,ir,t0,t1); |
1398 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1399 | SUBKEY_L(19),SUBKEY_R(19), |
d64beac0 NT |
1400 | io[2],io[3],il,ir,t0,t1); |
1401 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1402 | SUBKEY_L(18),SUBKEY_R(18), |
d64beac0 NT |
1403 | io[0],io[1],il,ir,t0,t1); |
1404 | ||
1405 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], | |
3a5e5f81 DV |
1406 | SUBKEY_L(17),SUBKEY_R(17), |
1407 | SUBKEY_L(16),SUBKEY_R(16), | |
d64beac0 NT |
1408 | t0,t1,il,ir); |
1409 | ||
1410 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1411 | SUBKEY_L(15),SUBKEY_R(15), |
d64beac0 NT |
1412 | io[2],io[3],il,ir,t0,t1); |
1413 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1414 | SUBKEY_L(14),SUBKEY_R(14), |
d64beac0 NT |
1415 | io[0],io[1],il,ir,t0,t1); |
1416 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1417 | SUBKEY_L(13),SUBKEY_R(13), |
d64beac0 NT |
1418 | io[2],io[3],il,ir,t0,t1); |
1419 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1420 | SUBKEY_L(12),SUBKEY_R(12), |
d64beac0 NT |
1421 | io[0],io[1],il,ir,t0,t1); |
1422 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1423 | SUBKEY_L(11),SUBKEY_R(11), |
d64beac0 NT |
1424 | io[2],io[3],il,ir,t0,t1); |
1425 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1426 | SUBKEY_L(10),SUBKEY_R(10), |
d64beac0 NT |
1427 | io[0],io[1],il,ir,t0,t1); |
1428 | ||
1429 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], | |
3a5e5f81 DV |
1430 | SUBKEY_L(9),SUBKEY_R(9), |
1431 | SUBKEY_L(8),SUBKEY_R(8), | |
d64beac0 NT |
1432 | t0,t1,il,ir); |
1433 | ||
1434 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1435 | SUBKEY_L(7),SUBKEY_R(7), |
d64beac0 NT |
1436 | io[2],io[3],il,ir,t0,t1); |
1437 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1438 | SUBKEY_L(6),SUBKEY_R(6), |
d64beac0 NT |
1439 | io[0],io[1],il,ir,t0,t1); |
1440 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1441 | SUBKEY_L(5),SUBKEY_R(5), |
d64beac0 NT |
1442 | io[2],io[3],il,ir,t0,t1); |
1443 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1444 | SUBKEY_L(4),SUBKEY_R(4), |
d64beac0 NT |
1445 | io[0],io[1],il,ir,t0,t1); |
1446 | CAMELLIA_ROUNDSM(io[0],io[1], | |
3a5e5f81 | 1447 | SUBKEY_L(3),SUBKEY_R(3), |
d64beac0 NT |
1448 | io[2],io[3],il,ir,t0,t1); |
1449 | CAMELLIA_ROUNDSM(io[2],io[3], | |
3a5e5f81 | 1450 | SUBKEY_L(2),SUBKEY_R(2), |
d64beac0 NT |
1451 | io[0],io[1],il,ir,t0,t1); |
1452 | ||
1453 | /* post whitening but kw4 */ | |
3a5e5f81 DV |
1454 | io_text[0] = io[2] ^ SUBKEY_L(0); |
1455 | io_text[1] = io[3] ^ SUBKEY_R(0); | |
1456 | io_text[2] = io[0]; | |
1457 | io_text[3] = io[1]; | |
d64beac0 NT |
1458 | } |
1459 | ||
1460 | ||
1721a812 DV |
1461 | struct camellia_ctx { |
1462 | int key_length; | |
1463 | u32 key_table[CAMELLIA_TABLE_BYTE_LEN / 4]; | |
1464 | }; | |
1465 | ||
d64beac0 NT |
1466 | static int |
1467 | camellia_set_key(struct crypto_tfm *tfm, const u8 *in_key, | |
1468 | unsigned int key_len) | |
1469 | { | |
1470 | struct camellia_ctx *cctx = crypto_tfm_ctx(tfm); | |
1471 | const unsigned char *key = (const unsigned char *)in_key; | |
1472 | u32 *flags = &tfm->crt_flags; | |
1473 | ||
1474 | if (key_len != 16 && key_len != 24 && key_len != 32) { | |
1475 | *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; | |
1476 | return -EINVAL; | |
1477 | } | |
1478 | ||
1479 | cctx->key_length = key_len; | |
1480 | ||
1721a812 | 1481 | switch (key_len) { |
d64beac0 NT |
1482 | case 16: |
1483 | camellia_setup128(key, cctx->key_table); | |
1484 | break; | |
1485 | case 24: | |
1486 | camellia_setup192(key, cctx->key_table); | |
1487 | break; | |
1488 | case 32: | |
1489 | camellia_setup256(key, cctx->key_table); | |
1490 | break; | |
d64beac0 NT |
1491 | } |
1492 | ||
1493 | return 0; | |
1494 | } | |
1495 | ||
d64beac0 NT |
1496 | static void camellia_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) |
1497 | { | |
1498 | const struct camellia_ctx *cctx = crypto_tfm_ctx(tfm); | |
1499 | const __be32 *src = (const __be32 *)in; | |
1500 | __be32 *dst = (__be32 *)out; | |
1501 | ||
3a5e5f81 | 1502 | u32 tmp[4]; |
d64beac0 | 1503 | |
3a5e5f81 DV |
1504 | tmp[0] = be32_to_cpu(src[0]); |
1505 | tmp[1] = be32_to_cpu(src[1]); | |
1506 | tmp[2] = be32_to_cpu(src[2]); | |
1507 | tmp[3] = be32_to_cpu(src[3]); | |
d64beac0 NT |
1508 | |
1509 | switch (cctx->key_length) { | |
1510 | case 16: | |
1511 | camellia_encrypt128(cctx->key_table, tmp); | |
1512 | break; | |
1513 | case 24: | |
1514 | /* fall through */ | |
1515 | case 32: | |
1516 | camellia_encrypt256(cctx->key_table, tmp); | |
1517 | break; | |
d64beac0 NT |
1518 | } |
1519 | ||
3a5e5f81 DV |
1520 | dst[0] = cpu_to_be32(tmp[0]); |
1521 | dst[1] = cpu_to_be32(tmp[1]); | |
1522 | dst[2] = cpu_to_be32(tmp[2]); | |
1523 | dst[3] = cpu_to_be32(tmp[3]); | |
d64beac0 NT |
1524 | } |
1525 | ||
d64beac0 NT |
1526 | static void camellia_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) |
1527 | { | |
1528 | const struct camellia_ctx *cctx = crypto_tfm_ctx(tfm); | |
1529 | const __be32 *src = (const __be32 *)in; | |
1530 | __be32 *dst = (__be32 *)out; | |
1531 | ||
3a5e5f81 | 1532 | u32 tmp[4]; |
d64beac0 | 1533 | |
3a5e5f81 DV |
1534 | tmp[0] = be32_to_cpu(src[0]); |
1535 | tmp[1] = be32_to_cpu(src[1]); | |
1536 | tmp[2] = be32_to_cpu(src[2]); | |
1537 | tmp[3] = be32_to_cpu(src[3]); | |
d64beac0 NT |
1538 | |
1539 | switch (cctx->key_length) { | |
1540 | case 16: | |
1541 | camellia_decrypt128(cctx->key_table, tmp); | |
1542 | break; | |
1543 | case 24: | |
1544 | /* fall through */ | |
1545 | case 32: | |
1546 | camellia_decrypt256(cctx->key_table, tmp); | |
1547 | break; | |
d64beac0 NT |
1548 | } |
1549 | ||
3a5e5f81 DV |
1550 | dst[0] = cpu_to_be32(tmp[0]); |
1551 | dst[1] = cpu_to_be32(tmp[1]); | |
1552 | dst[2] = cpu_to_be32(tmp[2]); | |
1553 | dst[3] = cpu_to_be32(tmp[3]); | |
d64beac0 NT |
1554 | } |
1555 | ||
d64beac0 NT |
1556 | static struct crypto_alg camellia_alg = { |
1557 | .cra_name = "camellia", | |
1558 | .cra_driver_name = "camellia-generic", | |
1559 | .cra_priority = 100, | |
1560 | .cra_flags = CRYPTO_ALG_TYPE_CIPHER, | |
1561 | .cra_blocksize = CAMELLIA_BLOCK_SIZE, | |
1562 | .cra_ctxsize = sizeof(struct camellia_ctx), | |
1563 | .cra_alignmask = 3, | |
1564 | .cra_module = THIS_MODULE, | |
1565 | .cra_list = LIST_HEAD_INIT(camellia_alg.cra_list), | |
1566 | .cra_u = { | |
1567 | .cipher = { | |
1568 | .cia_min_keysize = CAMELLIA_MIN_KEY_SIZE, | |
1569 | .cia_max_keysize = CAMELLIA_MAX_KEY_SIZE, | |
1570 | .cia_setkey = camellia_set_key, | |
1571 | .cia_encrypt = camellia_encrypt, | |
1572 | .cia_decrypt = camellia_decrypt | |
1573 | } | |
1574 | } | |
1575 | }; | |
1576 | ||
1577 | static int __init camellia_init(void) | |
1578 | { | |
1579 | return crypto_register_alg(&camellia_alg); | |
1580 | } | |
1581 | ||
d64beac0 NT |
1582 | static void __exit camellia_fini(void) |
1583 | { | |
1584 | crypto_unregister_alg(&camellia_alg); | |
1585 | } | |
1586 | ||
d64beac0 NT |
1587 | module_init(camellia_init); |
1588 | module_exit(camellia_fini); | |
1589 | ||
d64beac0 NT |
1590 | MODULE_DESCRIPTION("Camellia Cipher Algorithm"); |
1591 | MODULE_LICENSE("GPL"); |