Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 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 | |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 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 | |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 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 | |
Denys Vlasenko | 1ce73e8 | 2007-11-06 22:13:40 +0800 | [diff] [blame^] | 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) |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 339 | |
| 340 | /* rotation right shift 1byte */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 341 | #define ROR8(x) (((x) >> 8) + ((x) << 24)) |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 342 | /* rotation left shift 1bit */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 343 | #define ROL1(x) (((x) << 1) + ((x) >> 31)) |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 344 | /* rotation left shift 1byte */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 345 | #define ROL8(x) (((x) << 8) + ((x) >> 24)) |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 346 | |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 347 | #define ROLDQ(ll, lr, rl, rr, w0, w1, bits) \ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 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 | |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 356 | #define ROLDQo32(ll, lr, rl, rr, w0, w1, bits) \ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 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; \ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 382 | yr = ROR8(yr); \ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 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; \ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 398 | lr ^= ROL1(t0); \ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 399 | t3 = krl; \ |
| 400 | t1 = klr; \ |
| 401 | t3 &= rl; \ |
| 402 | t1 |= lr; \ |
| 403 | ll ^= t1; \ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 404 | rr ^= ROL1(t3); \ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 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; \ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 420 | yr ^= ROR8(il) ^ ir; \ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 421 | } while(0) |
| 422 | |
| 423 | |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 424 | #define SUBKEY_L(INDEX) (subkey[(INDEX)*2]) |
| 425 | #define SUBKEY_R(INDEX) (subkey[(INDEX)*2 + 1]) |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 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 | */ |
Denys Vlasenko | 1ce73e8 | 2007-11-06 22:13:40 +0800 | [diff] [blame^] | 438 | GETU32(kll, key ); |
| 439 | GETU32(klr, key + 4); |
| 440 | GETU32(krl, key + 8); |
| 441 | GETU32(krr, key + 12); |
| 442 | |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 443 | /** |
| 444 | * generate KL dependent subkeys |
| 445 | */ |
| 446 | /* kw1 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 447 | subL[0] = kll; subR[0] = klr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 448 | /* kw2 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 449 | subL[1] = krl; subR[1] = krr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 450 | /* rotation left shift 15bit */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 451 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 452 | /* k3 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 453 | subL[4] = kll; subR[4] = klr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 454 | /* k4 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 455 | subL[5] = krl; subR[5] = krr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 456 | /* rotation left shift 15+30bit */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 457 | ROLDQ(kll, klr, krl, krr, w0, w1, 30); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 458 | /* k7 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 459 | subL[10] = kll; subR[10] = klr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 460 | /* k8 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 461 | subL[11] = krl; subR[11] = krr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 462 | /* rotation left shift 15+30+15bit */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 463 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 464 | /* k10 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 465 | subL[13] = krl; subR[13] = krr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 466 | /* rotation left shift 15+30+15+17 bit */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 467 | ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 468 | /* kl3 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 469 | subL[16] = kll; subR[16] = klr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 470 | /* kl4 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 471 | subL[17] = krl; subR[17] = krr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 472 | /* rotation left shift 15+30+15+17+17 bit */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 473 | ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 474 | /* k13 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 475 | subL[18] = kll; subR[18] = klr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 476 | /* k14 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 477 | subL[19] = krl; subR[19] = krr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 478 | /* rotation left shift 15+30+15+17+17+17 bit */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 479 | ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 480 | /* k17 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 481 | subL[22] = kll; subR[22] = klr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 482 | /* k18 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 483 | subL[23] = krl; subR[23] = krr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 484 | |
| 485 | /* generate KA */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 486 | kll = subL[0]; klr = subR[0]; |
| 487 | krl = subL[1]; krr = subR[1]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 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 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 507 | subL[2] = kll; subR[2] = klr; |
| 508 | subL[3] = krl; subR[3] = krr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 509 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 510 | /* k5,k6 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 511 | subL[6] = kll; subR[6] = klr; |
| 512 | subL[7] = krl; subR[7] = krr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 513 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 514 | /* kl1, kl2 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 515 | subL[8] = kll; subR[8] = klr; |
| 516 | subL[9] = krl; subR[9] = krr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 517 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 518 | /* k9 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 519 | subL[12] = kll; subR[12] = klr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 520 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 521 | /* k11, k12 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 522 | subL[14] = kll; subR[14] = klr; |
| 523 | subL[15] = krl; subR[15] = krr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 524 | ROLDQo32(kll, klr, krl, krr, w0, w1, 34); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 525 | /* k15, k16 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 526 | subL[20] = kll; subR[20] = klr; |
| 527 | subL[21] = krl; subR[21] = krr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 528 | ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 529 | /* kw3, kw4 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 530 | subL[24] = kll; subR[24] = klr; |
| 531 | subL[25] = krl; subR[25] = krr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 532 | |
| 533 | /* absorb kw2 to other subkeys */ |
| 534 | /* round 2 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 535 | subL[3] ^= subL[1]; subR[3] ^= subR[1]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 536 | /* round 4 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 537 | subL[5] ^= subL[1]; subR[5] ^= subR[1]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 538 | /* round 6 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 539 | subL[7] ^= subL[1]; subR[7] ^= subR[1]; |
| 540 | subL[1] ^= subR[1] & ~subR[9]; |
| 541 | dw = subL[1] & subL[9], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 542 | subR[1] ^= ROL1(dw); /* modified for FLinv(kl2) */ |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 543 | /* round 8 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 544 | subL[11] ^= subL[1]; subR[11] ^= subR[1]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 545 | /* round 10 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 546 | subL[13] ^= subL[1]; subR[13] ^= subR[1]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 547 | /* round 12 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 548 | subL[15] ^= subL[1]; subR[15] ^= subR[1]; |
| 549 | subL[1] ^= subR[1] & ~subR[17]; |
| 550 | dw = subL[1] & subL[17], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 551 | subR[1] ^= ROL1(dw); /* modified for FLinv(kl4) */ |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 552 | /* round 14 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 553 | subL[19] ^= subL[1]; subR[19] ^= subR[1]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 554 | /* round 16 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 555 | subL[21] ^= subL[1]; subR[21] ^= subR[1]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 556 | /* round 18 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 557 | subL[23] ^= subL[1]; subR[23] ^= subR[1]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 558 | /* kw3 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 559 | subL[24] ^= subL[1]; subR[24] ^= subR[1]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 560 | |
| 561 | /* absorb kw4 to other subkeys */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 562 | kw4l = subL[25]; kw4r = subR[25]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 563 | /* round 17 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 564 | subL[22] ^= kw4l; subR[22] ^= kw4r; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 565 | /* round 15 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 566 | subL[20] ^= kw4l; subR[20] ^= kw4r; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 567 | /* round 13 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 568 | subL[18] ^= kw4l; subR[18] ^= kw4r; |
| 569 | kw4l ^= kw4r & ~subR[16]; |
| 570 | dw = kw4l & subL[16], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 571 | kw4r ^= ROL1(dw); /* modified for FL(kl3) */ |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 572 | /* round 11 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 573 | subL[14] ^= kw4l; subR[14] ^= kw4r; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 574 | /* round 9 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 575 | subL[12] ^= kw4l; subR[12] ^= kw4r; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 576 | /* round 7 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 577 | subL[10] ^= kw4l; subR[10] ^= kw4r; |
| 578 | kw4l ^= kw4r & ~subR[8]; |
| 579 | dw = kw4l & subL[8], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 580 | kw4r ^= ROL1(dw); /* modified for FL(kl1) */ |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 581 | /* round 5 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 582 | subL[6] ^= kw4l; subR[6] ^= kw4r; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 583 | /* round 3 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 584 | subL[4] ^= kw4l; subR[4] ^= kw4r; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 585 | /* round 1 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 586 | subL[2] ^= kw4l; subR[2] ^= kw4r; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 587 | /* kw1 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 588 | subL[0] ^= kw4l; subR[0] ^= kw4r; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 589 | |
| 590 | /* key XOR is end of F-function */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 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]; |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 603 | tl = subL[10] ^ (subR[10] & ~subR[8]); |
| 604 | dw = tl & subL[8], /* FL(kl1) */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 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]; |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 612 | tl = subL[7] ^ (subR[7] & ~subR[9]); |
| 613 | dw = tl & subL[9], /* FLinv(kl2) */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 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]; |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 625 | tl = subL[18] ^ (subR[18] & ~subR[16]); |
| 626 | dw = tl & subL[16], /* FL(kl3) */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 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]; |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 634 | tl = subL[15] ^ (subR[15] & ~subR[17]); |
| 635 | dw = tl & subL[17], /* FLinv(kl4) */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 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]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 651 | |
| 652 | /* apply the inverse of the last half of P-function */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 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; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 689 | } |
| 690 | |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 691 | static void camellia_setup256(const unsigned char *key, u32 *subkey) |
| 692 | { |
Denys Vlasenko | 1ce73e8 | 2007-11-06 22:13:40 +0800 | [diff] [blame^] | 693 | u32 kll, klr, krl, krr; /* left half of key */ |
| 694 | u32 krll, krlr, krrl, krrr; /* right half of key */ |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 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 | */ |
Denys Vlasenko | 1ce73e8 | 2007-11-06 22:13:40 +0800 | [diff] [blame^] | 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); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 712 | |
| 713 | /* generate KL dependent subkeys */ |
| 714 | /* kw1 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 715 | subL[0] = kll; subR[0] = klr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 716 | /* kw2 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 717 | subL[1] = krl; subR[1] = krr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 718 | ROLDQo32(kll, klr, krl, krr, w0, w1, 45); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 719 | /* k9 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 720 | subL[12] = kll; subR[12] = klr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 721 | /* k10 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 722 | subL[13] = krl; subR[13] = krr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 723 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 724 | /* kl3 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 725 | subL[16] = kll; subR[16] = klr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 726 | /* kl4 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 727 | subL[17] = krl; subR[17] = krr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 728 | ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 729 | /* k17 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 730 | subL[22] = kll; subR[22] = klr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 731 | /* k18 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 732 | subL[23] = krl; subR[23] = krr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 733 | ROLDQo32(kll, klr, krl, krr, w0, w1, 34); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 734 | /* k23 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 735 | subL[30] = kll; subR[30] = klr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 736 | /* k24 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 737 | subL[31] = krl; subR[31] = krr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 738 | |
| 739 | /* generate KR dependent subkeys */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 740 | ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 741 | /* k3 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 742 | subL[4] = krll; subR[4] = krlr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 743 | /* k4 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 744 | subL[5] = krrl; subR[5] = krrr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 745 | ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 746 | /* kl1 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 747 | subL[8] = krll; subR[8] = krlr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 748 | /* kl2 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 749 | subL[9] = krrl; subR[9] = krrr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 750 | ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 751 | /* k13 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 752 | subL[18] = krll; subR[18] = krlr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 753 | /* k14 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 754 | subL[19] = krrl; subR[19] = krrr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 755 | ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 756 | /* k19 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 757 | subL[26] = krll; subR[26] = krlr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 758 | /* k20 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 759 | subL[27] = krrl; subR[27] = krrr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 760 | ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 761 | |
| 762 | /* generate KA */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 763 | kll = subL[0] ^ krll; klr = subR[0] ^ krlr; |
| 764 | krl = subL[1] ^ krrl; krr = subR[1] ^ krrr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 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 */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 795 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 796 | /* k5 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 797 | subL[6] = kll; subR[6] = klr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 798 | /* k6 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 799 | subL[7] = krl; subR[7] = krr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 800 | ROLDQ(kll, klr, krl, krr, w0, w1, 30); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 801 | /* k11 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 802 | subL[14] = kll; subR[14] = klr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 803 | /* k12 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 804 | subL[15] = krl; subR[15] = krr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 805 | /* rotation left shift 32bit */ |
| 806 | /* kl5 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 807 | subL[24] = klr; subR[24] = krl; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 808 | /* kl6 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 809 | subL[25] = krr; subR[25] = kll; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 810 | /* rotation left shift 49 from k11,k12 -> k21,k22 */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 811 | ROLDQo32(kll, klr, krl, krr, w0, w1, 49); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 812 | /* k21 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 813 | subL[28] = kll; subR[28] = klr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 814 | /* k22 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 815 | subL[29] = krl; subR[29] = krr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 816 | |
| 817 | /* generate KB dependent subkeys */ |
| 818 | /* k1 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 819 | subL[2] = krll; subR[2] = krlr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 820 | /* k2 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 821 | subL[3] = krrl; subR[3] = krrr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 822 | ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 823 | /* k7 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 824 | subL[10] = krll; subR[10] = krlr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 825 | /* k8 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 826 | subL[11] = krrl; subR[11] = krrr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 827 | ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 828 | /* k15 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 829 | subL[20] = krll; subR[20] = krlr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 830 | /* k16 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 831 | subL[21] = krrl; subR[21] = krrr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 832 | ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 51); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 833 | /* kw3 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 834 | subL[32] = krll; subR[32] = krlr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 835 | /* kw4 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 836 | subL[33] = krrl; subR[33] = krrr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 837 | |
| 838 | /* absorb kw2 to other subkeys */ |
| 839 | /* round 2 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 840 | subL[3] ^= subL[1]; subR[3] ^= subR[1]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 841 | /* round 4 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 842 | subL[5] ^= subL[1]; subR[5] ^= subR[1]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 843 | /* round 6 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 844 | subL[7] ^= subL[1]; subR[7] ^= subR[1]; |
| 845 | subL[1] ^= subR[1] & ~subR[9]; |
| 846 | dw = subL[1] & subL[9], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 847 | subR[1] ^= ROL1(dw); /* modified for FLinv(kl2) */ |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 848 | /* round 8 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 849 | subL[11] ^= subL[1]; subR[11] ^= subR[1]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 850 | /* round 10 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 851 | subL[13] ^= subL[1]; subR[13] ^= subR[1]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 852 | /* round 12 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 853 | subL[15] ^= subL[1]; subR[15] ^= subR[1]; |
| 854 | subL[1] ^= subR[1] & ~subR[17]; |
| 855 | dw = subL[1] & subL[17], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 856 | subR[1] ^= ROL1(dw); /* modified for FLinv(kl4) */ |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 857 | /* round 14 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 858 | subL[19] ^= subL[1]; subR[19] ^= subR[1]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 859 | /* round 16 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 860 | subL[21] ^= subL[1]; subR[21] ^= subR[1]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 861 | /* round 18 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 862 | subL[23] ^= subL[1]; subR[23] ^= subR[1]; |
| 863 | subL[1] ^= subR[1] & ~subR[25]; |
| 864 | dw = subL[1] & subL[25], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 865 | subR[1] ^= ROL1(dw); /* modified for FLinv(kl6) */ |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 866 | /* round 20 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 867 | subL[27] ^= subL[1]; subR[27] ^= subR[1]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 868 | /* round 22 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 869 | subL[29] ^= subL[1]; subR[29] ^= subR[1]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 870 | /* round 24 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 871 | subL[31] ^= subL[1]; subR[31] ^= subR[1]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 872 | /* kw3 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 873 | subL[32] ^= subL[1]; subR[32] ^= subR[1]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 874 | |
| 875 | /* absorb kw4 to other subkeys */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 876 | kw4l = subL[33]; kw4r = subR[33]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 877 | /* round 23 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 878 | subL[30] ^= kw4l; subR[30] ^= kw4r; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 879 | /* round 21 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 880 | subL[28] ^= kw4l; subR[28] ^= kw4r; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 881 | /* round 19 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 882 | subL[26] ^= kw4l; subR[26] ^= kw4r; |
| 883 | kw4l ^= kw4r & ~subR[24]; |
| 884 | dw = kw4l & subL[24], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 885 | kw4r ^= ROL1(dw); /* modified for FL(kl5) */ |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 886 | /* round 17 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 887 | subL[22] ^= kw4l; subR[22] ^= kw4r; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 888 | /* round 15 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 889 | subL[20] ^= kw4l; subR[20] ^= kw4r; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 890 | /* round 13 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 891 | subL[18] ^= kw4l; subR[18] ^= kw4r; |
| 892 | kw4l ^= kw4r & ~subR[16]; |
| 893 | dw = kw4l & subL[16], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 894 | kw4r ^= ROL1(dw); /* modified for FL(kl3) */ |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 895 | /* round 11 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 896 | subL[14] ^= kw4l; subR[14] ^= kw4r; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 897 | /* round 9 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 898 | subL[12] ^= kw4l; subR[12] ^= kw4r; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 899 | /* round 7 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 900 | subL[10] ^= kw4l; subR[10] ^= kw4r; |
| 901 | kw4l ^= kw4r & ~subR[8]; |
| 902 | dw = kw4l & subL[8], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 903 | kw4r ^= ROL1(dw); /* modified for FL(kl1) */ |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 904 | /* round 5 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 905 | subL[6] ^= kw4l; subR[6] ^= kw4r; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 906 | /* round 3 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 907 | subL[4] ^= kw4l; subR[4] ^= kw4r; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 908 | /* round 1 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 909 | subL[2] ^= kw4l; subR[2] ^= kw4r; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 910 | /* kw1 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 911 | subL[0] ^= kw4l; subR[0] ^= kw4r; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 912 | |
| 913 | /* key XOR is end of F-function */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 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]; |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 926 | tl = subL[10] ^ (subR[10] & ~subR[8]); |
| 927 | dw = tl & subL[8], /* FL(kl1) */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 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]; |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 935 | tl = subL[7] ^ (subR[7] & ~subR[9]); |
| 936 | dw = tl & subL[9], /* FLinv(kl2) */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 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]; |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 948 | tl = subL[18] ^ (subR[18] & ~subR[16]); |
| 949 | dw = tl & subL[16], /* FL(kl3) */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 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]; |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 957 | tl = subL[15] ^ (subR[15] & ~subR[17]); |
| 958 | dw = tl & subL[17], /* FLinv(kl4) */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 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]); |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 971 | dw = tl & subL[24], /* FL(kl5) */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 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]); |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 980 | dw = tl & subL[25], /* FLinv(kl6) */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 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]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 996 | |
| 997 | /* apply the inverse of the last half of P-function */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 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; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 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); |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 1054 | memcpy((unsigned char *)&krll, key+16, 4); |
| 1055 | memcpy((unsigned char *)&krlr, key+20, 4); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 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); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1061 | } |
| 1062 | |
| 1063 | |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1064 | static void camellia_encrypt128(const u32 *subkey, u32 *io_text) |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1065 | { |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1066 | u32 il,ir,t0,t1; /* temporary variables */ |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1067 | |
| 1068 | u32 io[4]; |
| 1069 | |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 1070 | /* pre whitening but absorb kw2 */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 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]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1075 | |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 1076 | /* main iteration */ |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1077 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1078 | SUBKEY_L(2),SUBKEY_R(2), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1079 | io[2],io[3],il,ir,t0,t1); |
| 1080 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1081 | SUBKEY_L(3),SUBKEY_R(3), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1082 | io[0],io[1],il,ir,t0,t1); |
| 1083 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1084 | SUBKEY_L(4),SUBKEY_R(4), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1085 | io[2],io[3],il,ir,t0,t1); |
| 1086 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1087 | SUBKEY_L(5),SUBKEY_R(5), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1088 | io[0],io[1],il,ir,t0,t1); |
| 1089 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1090 | SUBKEY_L(6),SUBKEY_R(6), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1091 | io[2],io[3],il,ir,t0,t1); |
| 1092 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1093 | SUBKEY_L(7),SUBKEY_R(7), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1094 | io[0],io[1],il,ir,t0,t1); |
| 1095 | |
| 1096 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1097 | SUBKEY_L(8),SUBKEY_R(8), |
| 1098 | SUBKEY_L(9),SUBKEY_R(9), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1099 | t0,t1,il,ir); |
| 1100 | |
| 1101 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1102 | SUBKEY_L(10),SUBKEY_R(10), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1103 | io[2],io[3],il,ir,t0,t1); |
| 1104 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1105 | SUBKEY_L(11),SUBKEY_R(11), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1106 | io[0],io[1],il,ir,t0,t1); |
| 1107 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1108 | SUBKEY_L(12),SUBKEY_R(12), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1109 | io[2],io[3],il,ir,t0,t1); |
| 1110 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1111 | SUBKEY_L(13),SUBKEY_R(13), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1112 | io[0],io[1],il,ir,t0,t1); |
| 1113 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1114 | SUBKEY_L(14),SUBKEY_R(14), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1115 | io[2],io[3],il,ir,t0,t1); |
| 1116 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1117 | SUBKEY_L(15),SUBKEY_R(15), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1118 | io[0],io[1],il,ir,t0,t1); |
| 1119 | |
| 1120 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1121 | SUBKEY_L(16),SUBKEY_R(16), |
| 1122 | SUBKEY_L(17),SUBKEY_R(17), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1123 | t0,t1,il,ir); |
| 1124 | |
| 1125 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1126 | SUBKEY_L(18),SUBKEY_R(18), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1127 | io[2],io[3],il,ir,t0,t1); |
| 1128 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1129 | SUBKEY_L(19),SUBKEY_R(19), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1130 | io[0],io[1],il,ir,t0,t1); |
| 1131 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1132 | SUBKEY_L(20),SUBKEY_R(20), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1133 | io[2],io[3],il,ir,t0,t1); |
| 1134 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1135 | SUBKEY_L(21),SUBKEY_R(21), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1136 | io[0],io[1],il,ir,t0,t1); |
| 1137 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1138 | SUBKEY_L(22),SUBKEY_R(22), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1139 | io[2],io[3],il,ir,t0,t1); |
| 1140 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1141 | SUBKEY_L(23),SUBKEY_R(23), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1142 | io[0],io[1],il,ir,t0,t1); |
| 1143 | |
| 1144 | /* post whitening but kw4 */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 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]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1149 | } |
| 1150 | |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1151 | static void camellia_decrypt128(const u32 *subkey, u32 *io_text) |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1152 | { |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1153 | u32 il,ir,t0,t1; /* temporary variables */ |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1154 | |
| 1155 | u32 io[4]; |
| 1156 | |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 1157 | /* pre whitening but absorb kw2 */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 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]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1162 | |
| 1163 | /* main iteration */ |
| 1164 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1165 | SUBKEY_L(23),SUBKEY_R(23), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1166 | io[2],io[3],il,ir,t0,t1); |
| 1167 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1168 | SUBKEY_L(22),SUBKEY_R(22), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1169 | io[0],io[1],il,ir,t0,t1); |
| 1170 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1171 | SUBKEY_L(21),SUBKEY_R(21), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1172 | io[2],io[3],il,ir,t0,t1); |
| 1173 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1174 | SUBKEY_L(20),SUBKEY_R(20), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1175 | io[0],io[1],il,ir,t0,t1); |
| 1176 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1177 | SUBKEY_L(19),SUBKEY_R(19), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1178 | io[2],io[3],il,ir,t0,t1); |
| 1179 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1180 | SUBKEY_L(18),SUBKEY_R(18), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1181 | io[0],io[1],il,ir,t0,t1); |
| 1182 | |
| 1183 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1184 | SUBKEY_L(17),SUBKEY_R(17), |
| 1185 | SUBKEY_L(16),SUBKEY_R(16), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1186 | t0,t1,il,ir); |
| 1187 | |
| 1188 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1189 | SUBKEY_L(15),SUBKEY_R(15), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1190 | io[2],io[3],il,ir,t0,t1); |
| 1191 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1192 | SUBKEY_L(14),SUBKEY_R(14), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1193 | io[0],io[1],il,ir,t0,t1); |
| 1194 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1195 | SUBKEY_L(13),SUBKEY_R(13), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1196 | io[2],io[3],il,ir,t0,t1); |
| 1197 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1198 | SUBKEY_L(12),SUBKEY_R(12), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1199 | io[0],io[1],il,ir,t0,t1); |
| 1200 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1201 | SUBKEY_L(11),SUBKEY_R(11), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1202 | io[2],io[3],il,ir,t0,t1); |
| 1203 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1204 | SUBKEY_L(10),SUBKEY_R(10), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1205 | io[0],io[1],il,ir,t0,t1); |
| 1206 | |
| 1207 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1208 | SUBKEY_L(9),SUBKEY_R(9), |
| 1209 | SUBKEY_L(8),SUBKEY_R(8), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1210 | t0,t1,il,ir); |
| 1211 | |
| 1212 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1213 | SUBKEY_L(7),SUBKEY_R(7), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1214 | io[2],io[3],il,ir,t0,t1); |
| 1215 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1216 | SUBKEY_L(6),SUBKEY_R(6), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1217 | io[0],io[1],il,ir,t0,t1); |
| 1218 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1219 | SUBKEY_L(5),SUBKEY_R(5), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1220 | io[2],io[3],il,ir,t0,t1); |
| 1221 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1222 | SUBKEY_L(4),SUBKEY_R(4), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1223 | io[0],io[1],il,ir,t0,t1); |
| 1224 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1225 | SUBKEY_L(3),SUBKEY_R(3), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1226 | io[2],io[3],il,ir,t0,t1); |
| 1227 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1228 | SUBKEY_L(2),SUBKEY_R(2), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1229 | io[0],io[1],il,ir,t0,t1); |
| 1230 | |
| 1231 | /* post whitening but kw4 */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 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]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1236 | } |
| 1237 | |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1238 | static void camellia_encrypt256(const u32 *subkey, u32 *io_text) |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1239 | { |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1240 | u32 il,ir,t0,t1; /* temporary variables */ |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1241 | |
| 1242 | u32 io[4]; |
| 1243 | |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 1244 | /* pre whitening but absorb kw2 */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 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]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1249 | |
| 1250 | /* main iteration */ |
| 1251 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1252 | SUBKEY_L(2),SUBKEY_R(2), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1253 | io[2],io[3],il,ir,t0,t1); |
| 1254 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1255 | SUBKEY_L(3),SUBKEY_R(3), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1256 | io[0],io[1],il,ir,t0,t1); |
| 1257 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1258 | SUBKEY_L(4),SUBKEY_R(4), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1259 | io[2],io[3],il,ir,t0,t1); |
| 1260 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1261 | SUBKEY_L(5),SUBKEY_R(5), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1262 | io[0],io[1],il,ir,t0,t1); |
| 1263 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1264 | SUBKEY_L(6),SUBKEY_R(6), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1265 | io[2],io[3],il,ir,t0,t1); |
| 1266 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1267 | SUBKEY_L(7),SUBKEY_R(7), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1268 | io[0],io[1],il,ir,t0,t1); |
| 1269 | |
| 1270 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1271 | SUBKEY_L(8),SUBKEY_R(8), |
| 1272 | SUBKEY_L(9),SUBKEY_R(9), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1273 | t0,t1,il,ir); |
| 1274 | |
| 1275 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1276 | SUBKEY_L(10),SUBKEY_R(10), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1277 | io[2],io[3],il,ir,t0,t1); |
| 1278 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1279 | SUBKEY_L(11),SUBKEY_R(11), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1280 | io[0],io[1],il,ir,t0,t1); |
| 1281 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1282 | SUBKEY_L(12),SUBKEY_R(12), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1283 | io[2],io[3],il,ir,t0,t1); |
| 1284 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1285 | SUBKEY_L(13),SUBKEY_R(13), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1286 | io[0],io[1],il,ir,t0,t1); |
| 1287 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1288 | SUBKEY_L(14),SUBKEY_R(14), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1289 | io[2],io[3],il,ir,t0,t1); |
| 1290 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1291 | SUBKEY_L(15),SUBKEY_R(15), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1292 | io[0],io[1],il,ir,t0,t1); |
| 1293 | |
| 1294 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1295 | SUBKEY_L(16),SUBKEY_R(16), |
| 1296 | SUBKEY_L(17),SUBKEY_R(17), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1297 | t0,t1,il,ir); |
| 1298 | |
| 1299 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1300 | SUBKEY_L(18),SUBKEY_R(18), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1301 | io[2],io[3],il,ir,t0,t1); |
| 1302 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1303 | SUBKEY_L(19),SUBKEY_R(19), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1304 | io[0],io[1],il,ir,t0,t1); |
| 1305 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1306 | SUBKEY_L(20),SUBKEY_R(20), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1307 | io[2],io[3],il,ir,t0,t1); |
| 1308 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1309 | SUBKEY_L(21),SUBKEY_R(21), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1310 | io[0],io[1],il,ir,t0,t1); |
| 1311 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1312 | SUBKEY_L(22),SUBKEY_R(22), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1313 | io[2],io[3],il,ir,t0,t1); |
| 1314 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1315 | SUBKEY_L(23),SUBKEY_R(23), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1316 | io[0],io[1],il,ir,t0,t1); |
| 1317 | |
| 1318 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1319 | SUBKEY_L(24),SUBKEY_R(24), |
| 1320 | SUBKEY_L(25),SUBKEY_R(25), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1321 | t0,t1,il,ir); |
| 1322 | |
| 1323 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1324 | SUBKEY_L(26),SUBKEY_R(26), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1325 | io[2],io[3],il,ir,t0,t1); |
| 1326 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1327 | SUBKEY_L(27),SUBKEY_R(27), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1328 | io[0],io[1],il,ir,t0,t1); |
| 1329 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1330 | SUBKEY_L(28),SUBKEY_R(28), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1331 | io[2],io[3],il,ir,t0,t1); |
| 1332 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1333 | SUBKEY_L(29),SUBKEY_R(29), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1334 | io[0],io[1],il,ir,t0,t1); |
| 1335 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1336 | SUBKEY_L(30),SUBKEY_R(30), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1337 | io[2],io[3],il,ir,t0,t1); |
| 1338 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1339 | SUBKEY_L(31),SUBKEY_R(31), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1340 | io[0],io[1],il,ir,t0,t1); |
| 1341 | |
| 1342 | /* post whitening but kw4 */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 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]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1347 | } |
| 1348 | |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1349 | static void camellia_decrypt256(const u32 *subkey, u32 *io_text) |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1350 | { |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1351 | u32 il,ir,t0,t1; /* temporary variables */ |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1352 | |
| 1353 | u32 io[4]; |
| 1354 | |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 1355 | /* pre whitening but absorb kw2 */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 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]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1360 | |
| 1361 | /* main iteration */ |
| 1362 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1363 | SUBKEY_L(31),SUBKEY_R(31), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1364 | io[2],io[3],il,ir,t0,t1); |
| 1365 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1366 | SUBKEY_L(30),SUBKEY_R(30), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1367 | io[0],io[1],il,ir,t0,t1); |
| 1368 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1369 | SUBKEY_L(29),SUBKEY_R(29), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1370 | io[2],io[3],il,ir,t0,t1); |
| 1371 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1372 | SUBKEY_L(28),SUBKEY_R(28), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1373 | io[0],io[1],il,ir,t0,t1); |
| 1374 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1375 | SUBKEY_L(27),SUBKEY_R(27), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1376 | io[2],io[3],il,ir,t0,t1); |
| 1377 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1378 | SUBKEY_L(26),SUBKEY_R(26), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1379 | io[0],io[1],il,ir,t0,t1); |
| 1380 | |
| 1381 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1382 | SUBKEY_L(25),SUBKEY_R(25), |
| 1383 | SUBKEY_L(24),SUBKEY_R(24), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1384 | t0,t1,il,ir); |
| 1385 | |
| 1386 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1387 | SUBKEY_L(23),SUBKEY_R(23), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1388 | io[2],io[3],il,ir,t0,t1); |
| 1389 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1390 | SUBKEY_L(22),SUBKEY_R(22), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1391 | io[0],io[1],il,ir,t0,t1); |
| 1392 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1393 | SUBKEY_L(21),SUBKEY_R(21), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1394 | io[2],io[3],il,ir,t0,t1); |
| 1395 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1396 | SUBKEY_L(20),SUBKEY_R(20), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1397 | io[0],io[1],il,ir,t0,t1); |
| 1398 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1399 | SUBKEY_L(19),SUBKEY_R(19), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1400 | io[2],io[3],il,ir,t0,t1); |
| 1401 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1402 | SUBKEY_L(18),SUBKEY_R(18), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1403 | io[0],io[1],il,ir,t0,t1); |
| 1404 | |
| 1405 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1406 | SUBKEY_L(17),SUBKEY_R(17), |
| 1407 | SUBKEY_L(16),SUBKEY_R(16), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1408 | t0,t1,il,ir); |
| 1409 | |
| 1410 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1411 | SUBKEY_L(15),SUBKEY_R(15), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1412 | io[2],io[3],il,ir,t0,t1); |
| 1413 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1414 | SUBKEY_L(14),SUBKEY_R(14), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1415 | io[0],io[1],il,ir,t0,t1); |
| 1416 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1417 | SUBKEY_L(13),SUBKEY_R(13), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1418 | io[2],io[3],il,ir,t0,t1); |
| 1419 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1420 | SUBKEY_L(12),SUBKEY_R(12), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1421 | io[0],io[1],il,ir,t0,t1); |
| 1422 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1423 | SUBKEY_L(11),SUBKEY_R(11), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1424 | io[2],io[3],il,ir,t0,t1); |
| 1425 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1426 | SUBKEY_L(10),SUBKEY_R(10), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1427 | io[0],io[1],il,ir,t0,t1); |
| 1428 | |
| 1429 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1430 | SUBKEY_L(9),SUBKEY_R(9), |
| 1431 | SUBKEY_L(8),SUBKEY_R(8), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1432 | t0,t1,il,ir); |
| 1433 | |
| 1434 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1435 | SUBKEY_L(7),SUBKEY_R(7), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1436 | io[2],io[3],il,ir,t0,t1); |
| 1437 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1438 | SUBKEY_L(6),SUBKEY_R(6), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1439 | io[0],io[1],il,ir,t0,t1); |
| 1440 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1441 | SUBKEY_L(5),SUBKEY_R(5), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1442 | io[2],io[3],il,ir,t0,t1); |
| 1443 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1444 | SUBKEY_L(4),SUBKEY_R(4), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1445 | io[0],io[1],il,ir,t0,t1); |
| 1446 | CAMELLIA_ROUNDSM(io[0],io[1], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1447 | SUBKEY_L(3),SUBKEY_R(3), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1448 | io[2],io[3],il,ir,t0,t1); |
| 1449 | CAMELLIA_ROUNDSM(io[2],io[3], |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1450 | SUBKEY_L(2),SUBKEY_R(2), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1451 | io[0],io[1],il,ir,t0,t1); |
| 1452 | |
| 1453 | /* post whitening but kw4 */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 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]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1458 | } |
| 1459 | |
| 1460 | |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 1461 | struct camellia_ctx { |
| 1462 | int key_length; |
| 1463 | u32 key_table[CAMELLIA_TABLE_BYTE_LEN / 4]; |
| 1464 | }; |
| 1465 | |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 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 | |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 1481 | switch (key_len) { |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 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; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1491 | } |
| 1492 | |
| 1493 | return 0; |
| 1494 | } |
| 1495 | |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 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 | |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1502 | u32 tmp[4]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1503 | |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 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]); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 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; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1518 | } |
| 1519 | |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 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]); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1524 | } |
| 1525 | |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 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 | |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1532 | u32 tmp[4]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1533 | |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 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]); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 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; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1548 | } |
| 1549 | |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 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]); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1554 | } |
| 1555 | |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 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 | |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1582 | static void __exit camellia_fini(void) |
| 1583 | { |
| 1584 | crypto_unregister_alg(&camellia_alg); |
| 1585 | } |
| 1586 | |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1587 | module_init(camellia_init); |
| 1588 | module_exit(camellia_fini); |
| 1589 | |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1590 | MODULE_DESCRIPTION("Camellia Cipher Algorithm"); |
| 1591 | MODULE_LICENSE("GPL"); |