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crypto/camellia_generic.c
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/* * Copyright (C) 2006 * NTT (Nippon Telegraph and Telephone Corporation). * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ /* * Algorithm Specification * http://info.isl.ntt.co.jp/crypt/eng/camellia/specifications.html */ /* * * NOTE --- NOTE --- NOTE --- NOTE * This implementation assumes that all memory addresses passed * as parameters are four-byte aligned. * */ #include <linux/crypto.h> #include <linux/errno.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/module.h> |
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#include <linux/bitops.h> #include <asm/unaligned.h> |
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static const u32 camellia_sp1110[256] = { |
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0x70707000, 0x82828200, 0x2c2c2c00, 0xececec00, 0xb3b3b300, 0x27272700, 0xc0c0c000, 0xe5e5e500, 0xe4e4e400, 0x85858500, 0x57575700, 0x35353500, 0xeaeaea00, 0x0c0c0c00, 0xaeaeae00, 0x41414100, 0x23232300, 0xefefef00, 0x6b6b6b00, 0x93939300, 0x45454500, 0x19191900, 0xa5a5a500, 0x21212100, 0xededed00, 0x0e0e0e00, 0x4f4f4f00, 0x4e4e4e00, 0x1d1d1d00, 0x65656500, 0x92929200, 0xbdbdbd00, 0x86868600, 0xb8b8b800, 0xafafaf00, 0x8f8f8f00, 0x7c7c7c00, 0xebebeb00, 0x1f1f1f00, 0xcecece00, 0x3e3e3e00, 0x30303000, 0xdcdcdc00, 0x5f5f5f00, 0x5e5e5e00, 0xc5c5c500, 0x0b0b0b00, 0x1a1a1a00, 0xa6a6a600, 0xe1e1e100, 0x39393900, 0xcacaca00, 0xd5d5d500, 0x47474700, 0x5d5d5d00, 0x3d3d3d00, 0xd9d9d900, 0x01010100, 0x5a5a5a00, 0xd6d6d600, 0x51515100, 0x56565600, 0x6c6c6c00, 0x4d4d4d00, 0x8b8b8b00, 0x0d0d0d00, 0x9a9a9a00, 0x66666600, 0xfbfbfb00, 0xcccccc00, 0xb0b0b000, 0x2d2d2d00, 0x74747400, 0x12121200, 0x2b2b2b00, 0x20202000, 0xf0f0f000, 0xb1b1b100, 0x84848400, 0x99999900, 0xdfdfdf00, 0x4c4c4c00, 0xcbcbcb00, 0xc2c2c200, 0x34343400, 0x7e7e7e00, 0x76767600, 0x05050500, 0x6d6d6d00, 0xb7b7b700, 0xa9a9a900, 0x31313100, 0xd1d1d100, 0x17171700, 0x04040400, 0xd7d7d700, 0x14141400, 0x58585800, 0x3a3a3a00, 0x61616100, 0xdedede00, 0x1b1b1b00, 0x11111100, 0x1c1c1c00, 0x32323200, 0x0f0f0f00, 0x9c9c9c00, 0x16161600, 0x53535300, 0x18181800, 0xf2f2f200, 0x22222200, 0xfefefe00, 0x44444400, 0xcfcfcf00, 0xb2b2b200, 0xc3c3c300, 0xb5b5b500, 0x7a7a7a00, 0x91919100, 0x24242400, 0x08080800, 0xe8e8e800, 0xa8a8a800, 0x60606000, 0xfcfcfc00, 0x69696900, 0x50505000, 0xaaaaaa00, 0xd0d0d000, 0xa0a0a000, 0x7d7d7d00, 0xa1a1a100, 0x89898900, 0x62626200, 0x97979700, 0x54545400, 0x5b5b5b00, 0x1e1e1e00, 0x95959500, 0xe0e0e000, 0xffffff00, 0x64646400, 0xd2d2d200, 0x10101000, 0xc4c4c400, 0x00000000, 0x48484800, 0xa3a3a300, 0xf7f7f700, 0x75757500, 0xdbdbdb00, 0x8a8a8a00, 0x03030300, 0xe6e6e600, 0xdadada00, 0x09090900, 0x3f3f3f00, 0xdddddd00, 0x94949400, 0x87878700, 0x5c5c5c00, 0x83838300, 0x02020200, 0xcdcdcd00, 0x4a4a4a00, 0x90909000, 0x33333300, 0x73737300, 0x67676700, 0xf6f6f600, 0xf3f3f300, 0x9d9d9d00, 0x7f7f7f00, 0xbfbfbf00, 0xe2e2e200, 0x52525200, 0x9b9b9b00, 0xd8d8d800, 0x26262600, 0xc8c8c800, 0x37373700, 0xc6c6c600, 0x3b3b3b00, 0x81818100, 0x96969600, 0x6f6f6f00, 0x4b4b4b00, 0x13131300, 0xbebebe00, 0x63636300, 0x2e2e2e00, 0xe9e9e900, 0x79797900, 0xa7a7a700, 0x8c8c8c00, 0x9f9f9f00, 0x6e6e6e00, 0xbcbcbc00, 0x8e8e8e00, 0x29292900, 0xf5f5f500, 0xf9f9f900, 0xb6b6b600, 0x2f2f2f00, 0xfdfdfd00, 0xb4b4b400, 0x59595900, 0x78787800, 0x98989800, 0x06060600, 0x6a6a6a00, 0xe7e7e700, 0x46464600, 0x71717100, 0xbababa00, 0xd4d4d400, 0x25252500, 0xababab00, 0x42424200, 0x88888800, 0xa2a2a200, 0x8d8d8d00, 0xfafafa00, 0x72727200, 0x07070700, 0xb9b9b900, 0x55555500, 0xf8f8f800, 0xeeeeee00, 0xacacac00, 0x0a0a0a00, 0x36363600, 0x49494900, 0x2a2a2a00, 0x68686800, 0x3c3c3c00, 0x38383800, 0xf1f1f100, 0xa4a4a400, 0x40404000, 0x28282800, 0xd3d3d300, 0x7b7b7b00, 0xbbbbbb00, 0xc9c9c900, 0x43434300, 0xc1c1c100, 0x15151500, 0xe3e3e300, 0xadadad00, 0xf4f4f400, 0x77777700, 0xc7c7c700, 0x80808000, 0x9e9e9e00, |
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}; static const u32 camellia_sp0222[256] = { |
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0x00e0e0e0, 0x00050505, 0x00585858, 0x00d9d9d9, 0x00676767, 0x004e4e4e, 0x00818181, 0x00cbcbcb, 0x00c9c9c9, 0x000b0b0b, 0x00aeaeae, 0x006a6a6a, 0x00d5d5d5, 0x00181818, 0x005d5d5d, 0x00828282, 0x00464646, 0x00dfdfdf, 0x00d6d6d6, 0x00272727, 0x008a8a8a, 0x00323232, 0x004b4b4b, 0x00424242, 0x00dbdbdb, 0x001c1c1c, 0x009e9e9e, 0x009c9c9c, 0x003a3a3a, 0x00cacaca, 0x00252525, 0x007b7b7b, 0x000d0d0d, 0x00717171, 0x005f5f5f, 0x001f1f1f, 0x00f8f8f8, 0x00d7d7d7, 0x003e3e3e, 0x009d9d9d, 0x007c7c7c, 0x00606060, 0x00b9b9b9, 0x00bebebe, 0x00bcbcbc, 0x008b8b8b, 0x00161616, 0x00343434, 0x004d4d4d, 0x00c3c3c3, 0x00727272, 0x00959595, 0x00ababab, 0x008e8e8e, 0x00bababa, 0x007a7a7a, 0x00b3b3b3, 0x00020202, 0x00b4b4b4, 0x00adadad, 0x00a2a2a2, 0x00acacac, 0x00d8d8d8, 0x009a9a9a, 0x00171717, 0x001a1a1a, 0x00353535, 0x00cccccc, 0x00f7f7f7, 0x00999999, 0x00616161, 0x005a5a5a, 0x00e8e8e8, 0x00242424, 0x00565656, 0x00404040, 0x00e1e1e1, 0x00636363, 0x00090909, 0x00333333, 0x00bfbfbf, 0x00989898, 0x00979797, 0x00858585, 0x00686868, 0x00fcfcfc, 0x00ececec, 0x000a0a0a, 0x00dadada, 0x006f6f6f, 0x00535353, 0x00626262, 0x00a3a3a3, 0x002e2e2e, 0x00080808, 0x00afafaf, 0x00282828, 0x00b0b0b0, 0x00747474, 0x00c2c2c2, 0x00bdbdbd, 0x00363636, 0x00222222, 0x00383838, 0x00646464, 0x001e1e1e, 0x00393939, 0x002c2c2c, 0x00a6a6a6, 0x00303030, 0x00e5e5e5, 0x00444444, 0x00fdfdfd, 0x00888888, 0x009f9f9f, 0x00656565, 0x00878787, 0x006b6b6b, 0x00f4f4f4, 0x00232323, 0x00484848, 0x00101010, 0x00d1d1d1, 0x00515151, 0x00c0c0c0, 0x00f9f9f9, 0x00d2d2d2, 0x00a0a0a0, 0x00555555, 0x00a1a1a1, 0x00414141, 0x00fafafa, 0x00434343, 0x00131313, 0x00c4c4c4, 0x002f2f2f, 0x00a8a8a8, 0x00b6b6b6, 0x003c3c3c, 0x002b2b2b, 0x00c1c1c1, 0x00ffffff, 0x00c8c8c8, 0x00a5a5a5, 0x00202020, 0x00898989, 0x00000000, 0x00909090, 0x00474747, 0x00efefef, 0x00eaeaea, 0x00b7b7b7, 0x00151515, 0x00060606, 0x00cdcdcd, 0x00b5b5b5, 0x00121212, 0x007e7e7e, 0x00bbbbbb, 0x00292929, 0x000f0f0f, 0x00b8b8b8, 0x00070707, 0x00040404, 0x009b9b9b, 0x00949494, 0x00212121, 0x00666666, 0x00e6e6e6, 0x00cecece, 0x00ededed, 0x00e7e7e7, 0x003b3b3b, 0x00fefefe, 0x007f7f7f, 0x00c5c5c5, 0x00a4a4a4, 0x00373737, 0x00b1b1b1, 0x004c4c4c, 0x00919191, 0x006e6e6e, 0x008d8d8d, 0x00767676, 0x00030303, 0x002d2d2d, 0x00dedede, 0x00969696, 0x00262626, 0x007d7d7d, 0x00c6c6c6, 0x005c5c5c, 0x00d3d3d3, 0x00f2f2f2, 0x004f4f4f, 0x00191919, 0x003f3f3f, 0x00dcdcdc, 0x00797979, 0x001d1d1d, 0x00525252, 0x00ebebeb, 0x00f3f3f3, 0x006d6d6d, 0x005e5e5e, 0x00fbfbfb, 0x00696969, 0x00b2b2b2, 0x00f0f0f0, 0x00313131, 0x000c0c0c, 0x00d4d4d4, 0x00cfcfcf, 0x008c8c8c, 0x00e2e2e2, 0x00757575, 0x00a9a9a9, 0x004a4a4a, 0x00575757, 0x00848484, 0x00111111, 0x00454545, 0x001b1b1b, 0x00f5f5f5, 0x00e4e4e4, 0x000e0e0e, 0x00737373, 0x00aaaaaa, 0x00f1f1f1, 0x00dddddd, 0x00595959, 0x00141414, 0x006c6c6c, 0x00929292, 0x00545454, 0x00d0d0d0, 0x00787878, 0x00707070, 0x00e3e3e3, 0x00494949, 0x00808080, 0x00505050, 0x00a7a7a7, 0x00f6f6f6, 0x00777777, 0x00939393, 0x00868686, 0x00838383, 0x002a2a2a, 0x00c7c7c7, 0x005b5b5b, 0x00e9e9e9, 0x00eeeeee, 0x008f8f8f, 0x00010101, 0x003d3d3d, |
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}; static const u32 camellia_sp3033[256] = { |
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0x38003838, 0x41004141, 0x16001616, 0x76007676, 0xd900d9d9, 0x93009393, 0x60006060, 0xf200f2f2, 0x72007272, 0xc200c2c2, 0xab00abab, 0x9a009a9a, 0x75007575, 0x06000606, 0x57005757, 0xa000a0a0, 0x91009191, 0xf700f7f7, 0xb500b5b5, 0xc900c9c9, 0xa200a2a2, 0x8c008c8c, 0xd200d2d2, 0x90009090, 0xf600f6f6, 0x07000707, 0xa700a7a7, 0x27002727, 0x8e008e8e, 0xb200b2b2, 0x49004949, 0xde00dede, 0x43004343, 0x5c005c5c, 0xd700d7d7, 0xc700c7c7, 0x3e003e3e, 0xf500f5f5, 0x8f008f8f, 0x67006767, 0x1f001f1f, 0x18001818, 0x6e006e6e, 0xaf00afaf, 0x2f002f2f, 0xe200e2e2, 0x85008585, 0x0d000d0d, 0x53005353, 0xf000f0f0, 0x9c009c9c, 0x65006565, 0xea00eaea, 0xa300a3a3, 0xae00aeae, 0x9e009e9e, 0xec00ecec, 0x80008080, 0x2d002d2d, 0x6b006b6b, 0xa800a8a8, 0x2b002b2b, 0x36003636, 0xa600a6a6, 0xc500c5c5, 0x86008686, 0x4d004d4d, 0x33003333, 0xfd00fdfd, 0x66006666, 0x58005858, 0x96009696, 0x3a003a3a, 0x09000909, 0x95009595, 0x10001010, 0x78007878, 0xd800d8d8, 0x42004242, 0xcc00cccc, 0xef00efef, 0x26002626, 0xe500e5e5, 0x61006161, 0x1a001a1a, 0x3f003f3f, 0x3b003b3b, 0x82008282, 0xb600b6b6, 0xdb00dbdb, 0xd400d4d4, 0x98009898, 0xe800e8e8, 0x8b008b8b, 0x02000202, 0xeb00ebeb, 0x0a000a0a, 0x2c002c2c, 0x1d001d1d, 0xb000b0b0, 0x6f006f6f, 0x8d008d8d, 0x88008888, 0x0e000e0e, 0x19001919, 0x87008787, 0x4e004e4e, 0x0b000b0b, 0xa900a9a9, 0x0c000c0c, 0x79007979, 0x11001111, 0x7f007f7f, 0x22002222, 0xe700e7e7, 0x59005959, 0xe100e1e1, 0xda00dada, 0x3d003d3d, 0xc800c8c8, 0x12001212, 0x04000404, 0x74007474, 0x54005454, 0x30003030, 0x7e007e7e, 0xb400b4b4, 0x28002828, 0x55005555, 0x68006868, 0x50005050, 0xbe00bebe, 0xd000d0d0, 0xc400c4c4, 0x31003131, 0xcb00cbcb, 0x2a002a2a, 0xad00adad, 0x0f000f0f, 0xca00caca, 0x70007070, 0xff00ffff, 0x32003232, 0x69006969, 0x08000808, 0x62006262, 0x00000000, 0x24002424, 0xd100d1d1, 0xfb00fbfb, 0xba00baba, 0xed00eded, 0x45004545, 0x81008181, 0x73007373, 0x6d006d6d, 0x84008484, 0x9f009f9f, 0xee00eeee, 0x4a004a4a, 0xc300c3c3, 0x2e002e2e, 0xc100c1c1, 0x01000101, 0xe600e6e6, 0x25002525, 0x48004848, 0x99009999, 0xb900b9b9, 0xb300b3b3, 0x7b007b7b, 0xf900f9f9, 0xce00cece, 0xbf00bfbf, 0xdf00dfdf, 0x71007171, 0x29002929, 0xcd00cdcd, 0x6c006c6c, 0x13001313, 0x64006464, 0x9b009b9b, 0x63006363, 0x9d009d9d, 0xc000c0c0, 0x4b004b4b, 0xb700b7b7, 0xa500a5a5, 0x89008989, 0x5f005f5f, 0xb100b1b1, 0x17001717, 0xf400f4f4, 0xbc00bcbc, 0xd300d3d3, 0x46004646, 0xcf00cfcf, 0x37003737, 0x5e005e5e, 0x47004747, 0x94009494, 0xfa00fafa, 0xfc00fcfc, 0x5b005b5b, 0x97009797, 0xfe00fefe, 0x5a005a5a, 0xac00acac, 0x3c003c3c, 0x4c004c4c, 0x03000303, 0x35003535, 0xf300f3f3, 0x23002323, 0xb800b8b8, 0x5d005d5d, 0x6a006a6a, 0x92009292, 0xd500d5d5, 0x21002121, 0x44004444, 0x51005151, 0xc600c6c6, 0x7d007d7d, 0x39003939, 0x83008383, 0xdc00dcdc, 0xaa00aaaa, 0x7c007c7c, 0x77007777, 0x56005656, 0x05000505, 0x1b001b1b, 0xa400a4a4, 0x15001515, 0x34003434, 0x1e001e1e, 0x1c001c1c, 0xf800f8f8, 0x52005252, 0x20002020, 0x14001414, 0xe900e9e9, 0xbd00bdbd, 0xdd00dddd, 0xe400e4e4, 0xa100a1a1, 0xe000e0e0, 0x8a008a8a, 0xf100f1f1, 0xd600d6d6, 0x7a007a7a, 0xbb00bbbb, 0xe300e3e3, 0x40004040, 0x4f004f4f, |
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}; static const u32 camellia_sp4404[256] = { |
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242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 |
0x70700070, 0x2c2c002c, 0xb3b300b3, 0xc0c000c0, 0xe4e400e4, 0x57570057, 0xeaea00ea, 0xaeae00ae, 0x23230023, 0x6b6b006b, 0x45450045, 0xa5a500a5, 0xeded00ed, 0x4f4f004f, 0x1d1d001d, 0x92920092, 0x86860086, 0xafaf00af, 0x7c7c007c, 0x1f1f001f, 0x3e3e003e, 0xdcdc00dc, 0x5e5e005e, 0x0b0b000b, 0xa6a600a6, 0x39390039, 0xd5d500d5, 0x5d5d005d, 0xd9d900d9, 0x5a5a005a, 0x51510051, 0x6c6c006c, 0x8b8b008b, 0x9a9a009a, 0xfbfb00fb, 0xb0b000b0, 0x74740074, 0x2b2b002b, 0xf0f000f0, 0x84840084, 0xdfdf00df, 0xcbcb00cb, 0x34340034, 0x76760076, 0x6d6d006d, 0xa9a900a9, 0xd1d100d1, 0x04040004, 0x14140014, 0x3a3a003a, 0xdede00de, 0x11110011, 0x32320032, 0x9c9c009c, 0x53530053, 0xf2f200f2, 0xfefe00fe, 0xcfcf00cf, 0xc3c300c3, 0x7a7a007a, 0x24240024, 0xe8e800e8, 0x60600060, 0x69690069, 0xaaaa00aa, 0xa0a000a0, 0xa1a100a1, 0x62620062, 0x54540054, 0x1e1e001e, 0xe0e000e0, 0x64640064, 0x10100010, 0x00000000, 0xa3a300a3, 0x75750075, 0x8a8a008a, 0xe6e600e6, 0x09090009, 0xdddd00dd, 0x87870087, 0x83830083, 0xcdcd00cd, 0x90900090, 0x73730073, 0xf6f600f6, 0x9d9d009d, 0xbfbf00bf, 0x52520052, 0xd8d800d8, 0xc8c800c8, 0xc6c600c6, 0x81810081, 0x6f6f006f, 0x13130013, 0x63630063, 0xe9e900e9, 0xa7a700a7, 0x9f9f009f, 0xbcbc00bc, 0x29290029, 0xf9f900f9, 0x2f2f002f, 0xb4b400b4, 0x78780078, 0x06060006, 0xe7e700e7, 0x71710071, 0xd4d400d4, 0xabab00ab, 0x88880088, 0x8d8d008d, 0x72720072, 0xb9b900b9, 0xf8f800f8, 0xacac00ac, 0x36360036, 0x2a2a002a, 0x3c3c003c, 0xf1f100f1, 0x40400040, 0xd3d300d3, 0xbbbb00bb, 0x43430043, 0x15150015, 0xadad00ad, 0x77770077, 0x80800080, 0x82820082, 0xecec00ec, 0x27270027, 0xe5e500e5, 0x85850085, 0x35350035, 0x0c0c000c, 0x41410041, 0xefef00ef, 0x93930093, 0x19190019, 0x21210021, 0x0e0e000e, 0x4e4e004e, 0x65650065, 0xbdbd00bd, 0xb8b800b8, 0x8f8f008f, 0xebeb00eb, 0xcece00ce, 0x30300030, 0x5f5f005f, 0xc5c500c5, 0x1a1a001a, 0xe1e100e1, 0xcaca00ca, 0x47470047, 0x3d3d003d, 0x01010001, 0xd6d600d6, 0x56560056, 0x4d4d004d, 0x0d0d000d, 0x66660066, 0xcccc00cc, 0x2d2d002d, 0x12120012, 0x20200020, 0xb1b100b1, 0x99990099, 0x4c4c004c, 0xc2c200c2, 0x7e7e007e, 0x05050005, 0xb7b700b7, 0x31310031, 0x17170017, 0xd7d700d7, 0x58580058, 0x61610061, 0x1b1b001b, 0x1c1c001c, 0x0f0f000f, 0x16160016, 0x18180018, 0x22220022, 0x44440044, 0xb2b200b2, 0xb5b500b5, 0x91910091, 0x08080008, 0xa8a800a8, 0xfcfc00fc, 0x50500050, 0xd0d000d0, 0x7d7d007d, 0x89890089, 0x97970097, 0x5b5b005b, 0x95950095, 0xffff00ff, 0xd2d200d2, 0xc4c400c4, 0x48480048, 0xf7f700f7, 0xdbdb00db, 0x03030003, 0xdada00da, 0x3f3f003f, 0x94940094, 0x5c5c005c, 0x02020002, 0x4a4a004a, 0x33330033, 0x67670067, 0xf3f300f3, 0x7f7f007f, 0xe2e200e2, 0x9b9b009b, 0x26260026, 0x37370037, 0x3b3b003b, 0x96960096, 0x4b4b004b, 0xbebe00be, 0x2e2e002e, 0x79790079, 0x8c8c008c, 0x6e6e006e, 0x8e8e008e, 0xf5f500f5, 0xb6b600b6, 0xfdfd00fd, 0x59590059, 0x98980098, 0x6a6a006a, 0x46460046, 0xbaba00ba, 0x25250025, 0x42420042, 0xa2a200a2, 0xfafa00fa, 0x07070007, 0x55550055, 0xeeee00ee, 0x0a0a000a, 0x49490049, 0x68680068, 0x38380038, 0xa4a400a4, 0x28280028, 0x7b7b007b, 0xc9c900c9, 0xc1c100c1, 0xe3e300e3, 0xf4f400f4, 0xc7c700c7, 0x9e9e009e, |
d64beac05
|
306 |
}; |
1721a8125
|
307 308 309 310 |
#define CAMELLIA_MIN_KEY_SIZE 16 #define CAMELLIA_MAX_KEY_SIZE 32 #define CAMELLIA_BLOCK_SIZE 16 #define CAMELLIA_TABLE_BYTE_LEN 272 |
2ddae4a64
|
311 312 313 314 315 |
/* * NB: L and R below stand for 'left' and 'right' as in written numbers. * That is, in (xxxL,xxxR) pair xxxL holds most significant digits, * _not_ least significant ones! */ |
1721a8125
|
316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 |
/* key constants */ #define CAMELLIA_SIGMA1L (0xA09E667FL) #define CAMELLIA_SIGMA1R (0x3BCC908BL) #define CAMELLIA_SIGMA2L (0xB67AE858L) #define CAMELLIA_SIGMA2R (0x4CAA73B2L) #define CAMELLIA_SIGMA3L (0xC6EF372FL) #define CAMELLIA_SIGMA3R (0xE94F82BEL) #define CAMELLIA_SIGMA4L (0x54FF53A5L) #define CAMELLIA_SIGMA4R (0xF1D36F1CL) #define CAMELLIA_SIGMA5L (0x10E527FAL) #define CAMELLIA_SIGMA5R (0xDE682D1DL) #define CAMELLIA_SIGMA6L (0xB05688C2L) #define CAMELLIA_SIGMA6R (0xB3E6C1FDL) /* * macros */ |
e2861a71c
|
335 |
#define ROLDQ(ll, lr, rl, rr, w0, w1, bits) ({ \ |
1721a8125
|
336 337 338 339 340 |
w0 = ll; \ ll = (ll << bits) + (lr >> (32 - bits)); \ lr = (lr << bits) + (rl >> (32 - bits)); \ rl = (rl << bits) + (rr >> (32 - bits)); \ rr = (rr << bits) + (w0 >> (32 - bits)); \ |
e2861a71c
|
341 |
}) |
1721a8125
|
342 |
|
e2861a71c
|
343 |
#define ROLDQo32(ll, lr, rl, rr, w0, w1, bits) ({ \ |
1721a8125
|
344 345 346 347 348 349 |
w0 = ll; \ w1 = lr; \ ll = (lr << (bits - 32)) + (rl >> (64 - bits)); \ lr = (rl << (bits - 32)) + (rr >> (64 - bits)); \ rl = (rr << (bits - 32)) + (w0 >> (64 - bits)); \ rr = (w0 << (bits - 32)) + (w1 >> (64 - bits)); \ |
e2861a71c
|
350 |
}) |
1721a8125
|
351 |
|
e2861a71c
|
352 |
#define CAMELLIA_F(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) ({ \ |
1721a8125
|
353 354 355 356 |
il = xl ^ kl; \ ir = xr ^ kr; \ t0 = il >> 16; \ t1 = ir >> 16; \ |
e2861a71c
|
357 358 359 |
yl = camellia_sp1110[(u8)(ir)] \ ^ camellia_sp0222[(u8)(t1 >> 8)] \ ^ camellia_sp3033[(u8)(t1)] \ |
2ddae4a64
|
360 |
^ camellia_sp4404[(u8)(ir >> 8)]; \ |
e2861a71c
|
361 362 |
yr = camellia_sp1110[(u8)(t0 >> 8)] \ ^ camellia_sp0222[(u8)(t0)] \ |
2ddae4a64
|
363 |
^ camellia_sp3033[(u8)(il >> 8)] \ |
e2861a71c
|
364 |
^ camellia_sp4404[(u8)(il)]; \ |
1721a8125
|
365 |
yl ^= yr; \ |
32bd78e0a
|
366 |
yr = ror32(yr, 8); \ |
1721a8125
|
367 |
yr ^= yl; \ |
e2861a71c
|
368 |
}) |
1721a8125
|
369 |
|
3a5e5f810
|
370 371 |
#define SUBKEY_L(INDEX) (subkey[(INDEX)*2]) #define SUBKEY_R(INDEX) (subkey[(INDEX)*2 + 1]) |
d64beac05
|
372 |
|
dedcf8b06
|
373 |
static void camellia_setup_tail(u32 *subkey, u32 *subL, u32 *subR, int max) |
d3e748057
|
374 |
{ |
dedcf8b06
|
375 |
u32 dw, tl, tr; |
ff85a8082
|
376 |
u32 kw4l, kw4r; |
dedcf8b06
|
377 |
|
ff85a8082
|
378 379 380 381 382 383 384 385 |
/* absorb kw2 to other subkeys */ /* round 2 */ subL[3] ^= subL[1]; subR[3] ^= subR[1]; /* round 4 */ subL[5] ^= subL[1]; subR[5] ^= subR[1]; /* round 6 */ subL[7] ^= subL[1]; subR[7] ^= subR[1]; subL[1] ^= subR[1] & ~subR[9]; |
452ec0498
|
386 387 |
dw = subL[1] & subL[9]; subR[1] ^= rol32(dw, 1); /* modified for FLinv(kl2) */ |
ff85a8082
|
388 389 390 391 392 393 394 |
/* round 8 */ subL[11] ^= subL[1]; subR[11] ^= subR[1]; /* round 10 */ subL[13] ^= subL[1]; subR[13] ^= subR[1]; /* round 12 */ subL[15] ^= subL[1]; subR[15] ^= subR[1]; subL[1] ^= subR[1] & ~subR[17]; |
452ec0498
|
395 396 |
dw = subL[1] & subL[17]; subR[1] ^= rol32(dw, 1); /* modified for FLinv(kl4) */ |
ff85a8082
|
397 398 399 400 401 402 403 404 405 406 407 408 409 410 |
/* round 14 */ subL[19] ^= subL[1]; subR[19] ^= subR[1]; /* round 16 */ subL[21] ^= subL[1]; subR[21] ^= subR[1]; /* round 18 */ subL[23] ^= subL[1]; subR[23] ^= subR[1]; if (max == 24) { /* kw3 */ subL[24] ^= subL[1]; subR[24] ^= subR[1]; /* absorb kw4 to other subkeys */ kw4l = subL[25]; kw4r = subR[25]; } else { subL[1] ^= subR[1] & ~subR[25]; |
452ec0498
|
411 412 |
dw = subL[1] & subL[25]; subR[1] ^= rol32(dw, 1); /* modified for FLinv(kl6) */ |
ff85a8082
|
413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 |
/* round 20 */ subL[27] ^= subL[1]; subR[27] ^= subR[1]; /* round 22 */ subL[29] ^= subL[1]; subR[29] ^= subR[1]; /* round 24 */ subL[31] ^= subL[1]; subR[31] ^= subR[1]; /* kw3 */ subL[32] ^= subL[1]; subR[32] ^= subR[1]; /* absorb kw4 to other subkeys */ kw4l = subL[33]; kw4r = subR[33]; /* round 23 */ subL[30] ^= kw4l; subR[30] ^= kw4r; /* round 21 */ subL[28] ^= kw4l; subR[28] ^= kw4r; /* round 19 */ subL[26] ^= kw4l; subR[26] ^= kw4r; kw4l ^= kw4r & ~subR[24]; |
452ec0498
|
431 432 |
dw = kw4l & subL[24]; kw4r ^= rol32(dw, 1); /* modified for FL(kl5) */ |
ff85a8082
|
433 434 435 436 437 438 439 440 |
} /* round 17 */ subL[22] ^= kw4l; subR[22] ^= kw4r; /* round 15 */ subL[20] ^= kw4l; subR[20] ^= kw4r; /* round 13 */ subL[18] ^= kw4l; subR[18] ^= kw4r; kw4l ^= kw4r & ~subR[16]; |
452ec0498
|
441 442 |
dw = kw4l & subL[16]; kw4r ^= rol32(dw, 1); /* modified for FL(kl3) */ |
ff85a8082
|
443 444 445 446 447 448 449 |
/* round 11 */ subL[14] ^= kw4l; subR[14] ^= kw4r; /* round 9 */ subL[12] ^= kw4l; subR[12] ^= kw4r; /* round 7 */ subL[10] ^= kw4l; subR[10] ^= kw4r; kw4l ^= kw4r & ~subR[8]; |
452ec0498
|
450 451 |
dw = kw4l & subL[8]; kw4r ^= rol32(dw, 1); /* modified for FL(kl1) */ |
ff85a8082
|
452 453 454 455 456 457 458 459 |
/* round 5 */ subL[6] ^= kw4l; subR[6] ^= kw4r; /* round 3 */ subL[4] ^= kw4l; subR[4] ^= kw4r; /* round 1 */ subL[2] ^= kw4l; subR[2] ^= kw4r; /* kw1 */ subL[0] ^= kw4l; subR[0] ^= kw4r; |
dedcf8b06
|
460 461 462 463 464 465 466 467 468 469 470 471 472 473 |
/* key XOR is end of F-function */ SUBKEY_L(0) = subL[0] ^ subL[2];/* kw1 */ SUBKEY_R(0) = subR[0] ^ subR[2]; SUBKEY_L(2) = subL[3]; /* round 1 */ SUBKEY_R(2) = subR[3]; SUBKEY_L(3) = subL[2] ^ subL[4]; /* round 2 */ SUBKEY_R(3) = subR[2] ^ subR[4]; SUBKEY_L(4) = subL[3] ^ subL[5]; /* round 3 */ SUBKEY_R(4) = subR[3] ^ subR[5]; SUBKEY_L(5) = subL[4] ^ subL[6]; /* round 4 */ SUBKEY_R(5) = subR[4] ^ subR[6]; SUBKEY_L(6) = subL[5] ^ subL[7]; /* round 5 */ SUBKEY_R(6) = subR[5] ^ subR[7]; tl = subL[10] ^ (subR[10] & ~subR[8]); |
452ec0498
|
474 475 |
dw = tl & subL[8]; /* FL(kl1) */ tr = subR[10] ^ rol32(dw, 1); |
dedcf8b06
|
476 477 478 479 480 481 482 |
SUBKEY_L(7) = subL[6] ^ tl; /* round 6 */ SUBKEY_R(7) = subR[6] ^ tr; SUBKEY_L(8) = subL[8]; /* FL(kl1) */ SUBKEY_R(8) = subR[8]; SUBKEY_L(9) = subL[9]; /* FLinv(kl2) */ SUBKEY_R(9) = subR[9]; tl = subL[7] ^ (subR[7] & ~subR[9]); |
452ec0498
|
483 484 |
dw = tl & subL[9]; /* FLinv(kl2) */ tr = subR[7] ^ rol32(dw, 1); |
dedcf8b06
|
485 486 487 488 489 490 491 492 493 494 495 |
SUBKEY_L(10) = tl ^ subL[11]; /* round 7 */ SUBKEY_R(10) = tr ^ subR[11]; SUBKEY_L(11) = subL[10] ^ subL[12]; /* round 8 */ SUBKEY_R(11) = subR[10] ^ subR[12]; SUBKEY_L(12) = subL[11] ^ subL[13]; /* round 9 */ SUBKEY_R(12) = subR[11] ^ subR[13]; SUBKEY_L(13) = subL[12] ^ subL[14]; /* round 10 */ SUBKEY_R(13) = subR[12] ^ subR[14]; SUBKEY_L(14) = subL[13] ^ subL[15]; /* round 11 */ SUBKEY_R(14) = subR[13] ^ subR[15]; tl = subL[18] ^ (subR[18] & ~subR[16]); |
452ec0498
|
496 497 |
dw = tl & subL[16]; /* FL(kl3) */ tr = subR[18] ^ rol32(dw, 1); |
dedcf8b06
|
498 499 500 501 502 503 504 |
SUBKEY_L(15) = subL[14] ^ tl; /* round 12 */ SUBKEY_R(15) = subR[14] ^ tr; SUBKEY_L(16) = subL[16]; /* FL(kl3) */ SUBKEY_R(16) = subR[16]; SUBKEY_L(17) = subL[17]; /* FLinv(kl4) */ SUBKEY_R(17) = subR[17]; tl = subL[15] ^ (subR[15] & ~subR[17]); |
452ec0498
|
505 506 |
dw = tl & subL[17]; /* FLinv(kl4) */ tr = subR[15] ^ rol32(dw, 1); |
dedcf8b06
|
507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 |
SUBKEY_L(18) = tl ^ subL[19]; /* round 13 */ SUBKEY_R(18) = tr ^ subR[19]; SUBKEY_L(19) = subL[18] ^ subL[20]; /* round 14 */ SUBKEY_R(19) = subR[18] ^ subR[20]; SUBKEY_L(20) = subL[19] ^ subL[21]; /* round 15 */ SUBKEY_R(20) = subR[19] ^ subR[21]; SUBKEY_L(21) = subL[20] ^ subL[22]; /* round 16 */ SUBKEY_R(21) = subR[20] ^ subR[22]; SUBKEY_L(22) = subL[21] ^ subL[23]; /* round 17 */ SUBKEY_R(22) = subR[21] ^ subR[23]; if (max == 24) { SUBKEY_L(23) = subL[22]; /* round 18 */ SUBKEY_R(23) = subR[22]; SUBKEY_L(24) = subL[24] ^ subL[23]; /* kw3 */ SUBKEY_R(24) = subR[24] ^ subR[23]; } else { tl = subL[26] ^ (subR[26] & ~subR[24]); |
452ec0498
|
524 525 |
dw = tl & subL[24]; /* FL(kl5) */ tr = subR[26] ^ rol32(dw, 1); |
dedcf8b06
|
526 527 528 529 530 531 532 |
SUBKEY_L(23) = subL[22] ^ tl; /* round 18 */ SUBKEY_R(23) = subR[22] ^ tr; SUBKEY_L(24) = subL[24]; /* FL(kl5) */ SUBKEY_R(24) = subR[24]; SUBKEY_L(25) = subL[25]; /* FLinv(kl6) */ SUBKEY_R(25) = subR[25]; tl = subL[23] ^ (subR[23] & ~subR[25]); |
452ec0498
|
533 534 |
dw = tl & subL[25]; /* FLinv(kl6) */ tr = subR[23] ^ rol32(dw, 1); |
dedcf8b06
|
535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 |
SUBKEY_L(26) = tl ^ subL[27]; /* round 19 */ SUBKEY_R(26) = tr ^ subR[27]; SUBKEY_L(27) = subL[26] ^ subL[28]; /* round 20 */ SUBKEY_R(27) = subR[26] ^ subR[28]; SUBKEY_L(28) = subL[27] ^ subL[29]; /* round 21 */ SUBKEY_R(28) = subR[27] ^ subR[29]; SUBKEY_L(29) = subL[28] ^ subL[30]; /* round 22 */ SUBKEY_R(29) = subR[28] ^ subR[30]; SUBKEY_L(30) = subL[29] ^ subL[31]; /* round 23 */ SUBKEY_R(30) = subR[29] ^ subR[31]; SUBKEY_L(31) = subL[30]; /* round 24 */ SUBKEY_R(31) = subR[30]; SUBKEY_L(32) = subL[32] ^ subL[31]; /* kw3 */ SUBKEY_R(32) = subR[32] ^ subR[31]; } |
d3e748057
|
550 |
} |
d64beac05
|
551 552 553 554 |
static void camellia_setup128(const unsigned char *key, u32 *subkey) { u32 kll, klr, krl, krr; u32 il, ir, t0, t1, w0, w1; |
d64beac05
|
555 556 557 558 |
u32 subL[26]; u32 subR[26]; /** |
dedcf8b06
|
559 |
* k == kll || klr || krl || krr (|| is concatenation) |
d64beac05
|
560 |
*/ |
32bd78e0a
|
561 562 563 564 |
kll = get_unaligned_be32(key); klr = get_unaligned_be32(key + 4); krl = get_unaligned_be32(key + 8); krr = get_unaligned_be32(key + 12); |
1ce73e8d6
|
565 |
|
dedcf8b06
|
566 |
/* generate KL dependent subkeys */ |
d64beac05
|
567 |
/* kw1 */ |
1721a8125
|
568 |
subL[0] = kll; subR[0] = klr; |
d64beac05
|
569 |
/* kw2 */ |
1721a8125
|
570 |
subL[1] = krl; subR[1] = krr; |
d64beac05
|
571 |
/* rotation left shift 15bit */ |
3a5e5f810
|
572 |
ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
d64beac05
|
573 |
/* k3 */ |
1721a8125
|
574 |
subL[4] = kll; subR[4] = klr; |
d64beac05
|
575 |
/* k4 */ |
1721a8125
|
576 |
subL[5] = krl; subR[5] = krr; |
d64beac05
|
577 |
/* rotation left shift 15+30bit */ |
3a5e5f810
|
578 |
ROLDQ(kll, klr, krl, krr, w0, w1, 30); |
d64beac05
|
579 |
/* k7 */ |
1721a8125
|
580 |
subL[10] = kll; subR[10] = klr; |
d64beac05
|
581 |
/* k8 */ |
1721a8125
|
582 |
subL[11] = krl; subR[11] = krr; |
d64beac05
|
583 |
/* rotation left shift 15+30+15bit */ |
3a5e5f810
|
584 |
ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
d64beac05
|
585 |
/* k10 */ |
1721a8125
|
586 |
subL[13] = krl; subR[13] = krr; |
d64beac05
|
587 |
/* rotation left shift 15+30+15+17 bit */ |
3a5e5f810
|
588 |
ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
d64beac05
|
589 |
/* kl3 */ |
1721a8125
|
590 |
subL[16] = kll; subR[16] = klr; |
d64beac05
|
591 |
/* kl4 */ |
1721a8125
|
592 |
subL[17] = krl; subR[17] = krr; |
d64beac05
|
593 |
/* rotation left shift 15+30+15+17+17 bit */ |
3a5e5f810
|
594 |
ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
d64beac05
|
595 |
/* k13 */ |
1721a8125
|
596 |
subL[18] = kll; subR[18] = klr; |
d64beac05
|
597 |
/* k14 */ |
1721a8125
|
598 |
subL[19] = krl; subR[19] = krr; |
d64beac05
|
599 |
/* rotation left shift 15+30+15+17+17+17 bit */ |
3a5e5f810
|
600 |
ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
d64beac05
|
601 |
/* k17 */ |
1721a8125
|
602 |
subL[22] = kll; subR[22] = klr; |
d64beac05
|
603 |
/* k18 */ |
1721a8125
|
604 |
subL[23] = krl; subR[23] = krr; |
d64beac05
|
605 606 |
/* generate KA */ |
1721a8125
|
607 608 |
kll = subL[0]; klr = subR[0]; krl = subL[1]; krr = subR[1]; |
d64beac05
|
609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 |
CAMELLIA_F(kll, klr, CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R, w0, w1, il, ir, t0, t1); krl ^= w0; krr ^= w1; CAMELLIA_F(krl, krr, CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R, kll, klr, il, ir, t0, t1); /* current status == (kll, klr, w0, w1) */ CAMELLIA_F(kll, klr, CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R, krl, krr, il, ir, t0, t1); krl ^= w0; krr ^= w1; CAMELLIA_F(krl, krr, CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R, w0, w1, il, ir, t0, t1); kll ^= w0; klr ^= w1; /* generate KA dependent subkeys */ /* k1, k2 */ |
1721a8125
|
628 629 |
subL[2] = kll; subR[2] = klr; subL[3] = krl; subR[3] = krr; |
3a5e5f810
|
630 |
ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
d64beac05
|
631 |
/* k5,k6 */ |
1721a8125
|
632 633 |
subL[6] = kll; subR[6] = klr; subL[7] = krl; subR[7] = krr; |
3a5e5f810
|
634 |
ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
d64beac05
|
635 |
/* kl1, kl2 */ |
1721a8125
|
636 637 |
subL[8] = kll; subR[8] = klr; subL[9] = krl; subR[9] = krr; |
3a5e5f810
|
638 |
ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
d64beac05
|
639 |
/* k9 */ |
1721a8125
|
640 |
subL[12] = kll; subR[12] = klr; |
3a5e5f810
|
641 |
ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
d64beac05
|
642 |
/* k11, k12 */ |
1721a8125
|
643 644 |
subL[14] = kll; subR[14] = klr; subL[15] = krl; subR[15] = krr; |
3a5e5f810
|
645 |
ROLDQo32(kll, klr, krl, krr, w0, w1, 34); |
d64beac05
|
646 |
/* k15, k16 */ |
1721a8125
|
647 648 |
subL[20] = kll; subR[20] = klr; subL[21] = krl; subR[21] = krr; |
3a5e5f810
|
649 |
ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
d64beac05
|
650 |
/* kw3, kw4 */ |
1721a8125
|
651 652 |
subL[24] = kll; subR[24] = klr; subL[25] = krl; subR[25] = krr; |
d64beac05
|
653 |
|
dedcf8b06
|
654 |
camellia_setup_tail(subkey, subL, subR, 24); |
d64beac05
|
655 |
} |
d64beac05
|
656 657 |
static void camellia_setup256(const unsigned char *key, u32 *subkey) { |
1ce73e8d6
|
658 659 |
u32 kll, klr, krl, krr; /* left half of key */ u32 krll, krlr, krrl, krrr; /* right half of key */ |
d64beac05
|
660 |
u32 il, ir, t0, t1, w0, w1; /* temporary variables */ |
d64beac05
|
661 662 663 664 665 |
u32 subL[34]; u32 subR[34]; /** * key = (kll || klr || krl || krr || krll || krlr || krrl || krrr) |
dedcf8b06
|
666 |
* (|| is concatenation) |
d64beac05
|
667 |
*/ |
32bd78e0a
|
668 669 670 671 672 673 674 675 |
kll = get_unaligned_be32(key); klr = get_unaligned_be32(key + 4); krl = get_unaligned_be32(key + 8); krr = get_unaligned_be32(key + 12); krll = get_unaligned_be32(key + 16); krlr = get_unaligned_be32(key + 20); krrl = get_unaligned_be32(key + 24); krrr = get_unaligned_be32(key + 28); |
d64beac05
|
676 677 678 |
/* generate KL dependent subkeys */ /* kw1 */ |
1721a8125
|
679 |
subL[0] = kll; subR[0] = klr; |
d64beac05
|
680 |
/* kw2 */ |
1721a8125
|
681 |
subL[1] = krl; subR[1] = krr; |
3a5e5f810
|
682 |
ROLDQo32(kll, klr, krl, krr, w0, w1, 45); |
d64beac05
|
683 |
/* k9 */ |
1721a8125
|
684 |
subL[12] = kll; subR[12] = klr; |
d64beac05
|
685 |
/* k10 */ |
1721a8125
|
686 |
subL[13] = krl; subR[13] = krr; |
3a5e5f810
|
687 |
ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
d64beac05
|
688 |
/* kl3 */ |
1721a8125
|
689 |
subL[16] = kll; subR[16] = klr; |
d64beac05
|
690 |
/* kl4 */ |
1721a8125
|
691 |
subL[17] = krl; subR[17] = krr; |
3a5e5f810
|
692 |
ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
d64beac05
|
693 |
/* k17 */ |
1721a8125
|
694 |
subL[22] = kll; subR[22] = klr; |
d64beac05
|
695 |
/* k18 */ |
1721a8125
|
696 |
subL[23] = krl; subR[23] = krr; |
3a5e5f810
|
697 |
ROLDQo32(kll, klr, krl, krr, w0, w1, 34); |
d64beac05
|
698 |
/* k23 */ |
1721a8125
|
699 |
subL[30] = kll; subR[30] = klr; |
d64beac05
|
700 |
/* k24 */ |
1721a8125
|
701 |
subL[31] = krl; subR[31] = krr; |
d64beac05
|
702 703 |
/* generate KR dependent subkeys */ |
3a5e5f810
|
704 |
ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); |
d64beac05
|
705 |
/* k3 */ |
1721a8125
|
706 |
subL[4] = krll; subR[4] = krlr; |
d64beac05
|
707 |
/* k4 */ |
1721a8125
|
708 |
subL[5] = krrl; subR[5] = krrr; |
3a5e5f810
|
709 |
ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); |
d64beac05
|
710 |
/* kl1 */ |
1721a8125
|
711 |
subL[8] = krll; subR[8] = krlr; |
d64beac05
|
712 |
/* kl2 */ |
1721a8125
|
713 |
subL[9] = krrl; subR[9] = krrr; |
3a5e5f810
|
714 |
ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
d64beac05
|
715 |
/* k13 */ |
1721a8125
|
716 |
subL[18] = krll; subR[18] = krlr; |
d64beac05
|
717 |
/* k14 */ |
1721a8125
|
718 |
subL[19] = krrl; subR[19] = krrr; |
3a5e5f810
|
719 |
ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); |
d64beac05
|
720 |
/* k19 */ |
1721a8125
|
721 |
subL[26] = krll; subR[26] = krlr; |
d64beac05
|
722 |
/* k20 */ |
1721a8125
|
723 |
subL[27] = krrl; subR[27] = krrr; |
3a5e5f810
|
724 |
ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); |
d64beac05
|
725 726 |
/* generate KA */ |
1721a8125
|
727 728 |
kll = subL[0] ^ krll; klr = subR[0] ^ krlr; krl = subL[1] ^ krrl; krr = subR[1] ^ krrr; |
d64beac05
|
729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 |
CAMELLIA_F(kll, klr, CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R, w0, w1, il, ir, t0, t1); krl ^= w0; krr ^= w1; CAMELLIA_F(krl, krr, CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R, kll, klr, il, ir, t0, t1); kll ^= krll; klr ^= krlr; CAMELLIA_F(kll, klr, CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R, krl, krr, il, ir, t0, t1); krl ^= w0 ^ krrl; krr ^= w1 ^ krrr; CAMELLIA_F(krl, krr, CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R, w0, w1, il, ir, t0, t1); kll ^= w0; klr ^= w1; /* generate KB */ krll ^= kll; krlr ^= klr; krrl ^= krl; krrr ^= krr; CAMELLIA_F(krll, krlr, CAMELLIA_SIGMA5L, CAMELLIA_SIGMA5R, w0, w1, il, ir, t0, t1); krrl ^= w0; krrr ^= w1; CAMELLIA_F(krrl, krrr, CAMELLIA_SIGMA6L, CAMELLIA_SIGMA6R, w0, w1, il, ir, t0, t1); krll ^= w0; krlr ^= w1; /* generate KA dependent subkeys */ |
3a5e5f810
|
759 |
ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
d64beac05
|
760 |
/* k5 */ |
1721a8125
|
761 |
subL[6] = kll; subR[6] = klr; |
d64beac05
|
762 |
/* k6 */ |
1721a8125
|
763 |
subL[7] = krl; subR[7] = krr; |
3a5e5f810
|
764 |
ROLDQ(kll, klr, krl, krr, w0, w1, 30); |
d64beac05
|
765 |
/* k11 */ |
1721a8125
|
766 |
subL[14] = kll; subR[14] = klr; |
d64beac05
|
767 |
/* k12 */ |
1721a8125
|
768 |
subL[15] = krl; subR[15] = krr; |
d64beac05
|
769 770 |
/* rotation left shift 32bit */ /* kl5 */ |
1721a8125
|
771 |
subL[24] = klr; subR[24] = krl; |
d64beac05
|
772 |
/* kl6 */ |
1721a8125
|
773 |
subL[25] = krr; subR[25] = kll; |
d64beac05
|
774 |
/* rotation left shift 49 from k11,k12 -> k21,k22 */ |
3a5e5f810
|
775 |
ROLDQo32(kll, klr, krl, krr, w0, w1, 49); |
d64beac05
|
776 |
/* k21 */ |
1721a8125
|
777 |
subL[28] = kll; subR[28] = klr; |
d64beac05
|
778 |
/* k22 */ |
1721a8125
|
779 |
subL[29] = krl; subR[29] = krr; |
d64beac05
|
780 781 782 |
/* generate KB dependent subkeys */ /* k1 */ |
1721a8125
|
783 |
subL[2] = krll; subR[2] = krlr; |
d64beac05
|
784 |
/* k2 */ |
1721a8125
|
785 |
subL[3] = krrl; subR[3] = krrr; |
3a5e5f810
|
786 |
ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
d64beac05
|
787 |
/* k7 */ |
1721a8125
|
788 |
subL[10] = krll; subR[10] = krlr; |
d64beac05
|
789 |
/* k8 */ |
1721a8125
|
790 |
subL[11] = krrl; subR[11] = krrr; |
3a5e5f810
|
791 |
ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
d64beac05
|
792 |
/* k15 */ |
1721a8125
|
793 |
subL[20] = krll; subR[20] = krlr; |
d64beac05
|
794 |
/* k16 */ |
1721a8125
|
795 |
subL[21] = krrl; subR[21] = krrr; |
3a5e5f810
|
796 |
ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 51); |
d64beac05
|
797 |
/* kw3 */ |
1721a8125
|
798 |
subL[32] = krll; subR[32] = krlr; |
d64beac05
|
799 |
/* kw4 */ |
1721a8125
|
800 |
subL[33] = krrl; subR[33] = krrr; |
d64beac05
|
801 |
|
dedcf8b06
|
802 |
camellia_setup_tail(subkey, subL, subR, 32); |
d64beac05
|
803 804 805 806 807 |
} static void camellia_setup192(const unsigned char *key, u32 *subkey) { unsigned char kk[32]; |
621dd3692
|
808 |
u32 krll, krlr, krrl, krrr; |
d64beac05
|
809 810 |
memcpy(kk, key, 24); |
1721a8125
|
811 812 |
memcpy((unsigned char *)&krll, key+16, 4); memcpy((unsigned char *)&krlr, key+20, 4); |
d64beac05
|
813 814 815 816 817 |
krrl = ~krll; krrr = ~krlr; memcpy(kk+24, (unsigned char *)&krrl, 4); memcpy(kk+28, (unsigned char *)&krrr, 4); camellia_setup256(kk, subkey); |
d64beac05
|
818 |
} |
2ddae4a64
|
819 820 821 |
/* * Encrypt/decrypt */ |
e2861a71c
|
822 |
#define CAMELLIA_FLS(ll, lr, rl, rr, kll, klr, krl, krr, t0, t1, t2, t3) ({ \ |
2ddae4a64
|
823 824 825 826 827 |
t0 = kll; \ t2 = krr; \ t0 &= ll; \ t2 |= rr; \ rl ^= t2; \ |
32bd78e0a
|
828 |
lr ^= rol32(t0, 1); \ |
2ddae4a64
|
829 830 831 832 833 |
t3 = krl; \ t1 = klr; \ t3 &= rl; \ t1 |= lr; \ ll ^= t1; \ |
32bd78e0a
|
834 |
rr ^= rol32(t3, 1); \ |
e2861a71c
|
835 |
}) |
2ddae4a64
|
836 |
|
e2861a71c
|
837 |
#define CAMELLIA_ROUNDSM(xl, xr, kl, kr, yl, yr, il, ir) ({ \ |
c9b56d33b
|
838 839 |
yl ^= kl; \ yr ^= kr; \ |
2ddae4a64
|
840 |
ir = camellia_sp1110[(u8)xr]; \ |
e2861a71c
|
841 842 |
il = camellia_sp1110[(u8)(xl >> 24)]; \ ir ^= camellia_sp0222[(u8)(xr >> 24)]; \ |
2ddae4a64
|
843 844 845 846 847 |
il ^= camellia_sp0222[(u8)(xl >> 16)]; \ ir ^= camellia_sp3033[(u8)(xr >> 16)]; \ il ^= camellia_sp3033[(u8)(xl >> 8)]; \ ir ^= camellia_sp4404[(u8)(xr >> 8)]; \ il ^= camellia_sp4404[(u8)xl]; \ |
c9b56d33b
|
848 |
ir ^= il; \ |
2ddae4a64
|
849 |
yl ^= ir; \ |
e2861a71c
|
850 851 |
yr ^= ror32(il, 8) ^ ir; \ }) |
2ddae4a64
|
852 |
|
acca79a66
|
853 854 |
/* max = 24: 128bit encrypt, max = 32: 256bit encrypt */ static void camellia_do_encrypt(const u32 *subkey, u32 *io, unsigned max) |
d64beac05
|
855 |
{ |
621dd3692
|
856 |
u32 il, ir, t0, t1; /* temporary variables */ |
d64beac05
|
857 |
|
1721a8125
|
858 |
/* pre whitening but absorb kw2 */ |
acca79a66
|
859 860 |
io[0] ^= SUBKEY_L(0); io[1] ^= SUBKEY_R(0); |
d64beac05
|
861 |
|
1721a8125
|
862 |
/* main iteration */ |
e2861a71c
|
863 |
#define ROUNDS(i) ({ \ |
621dd3692
|
864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 |
CAMELLIA_ROUNDSM(io[0], io[1], \ SUBKEY_L(i + 2), SUBKEY_R(i + 2), \ io[2], io[3], il, ir); \ CAMELLIA_ROUNDSM(io[2], io[3], \ SUBKEY_L(i + 3), SUBKEY_R(i + 3), \ io[0], io[1], il, ir); \ CAMELLIA_ROUNDSM(io[0], io[1], \ SUBKEY_L(i + 4), SUBKEY_R(i + 4), \ io[2], io[3], il, ir); \ CAMELLIA_ROUNDSM(io[2], io[3], \ SUBKEY_L(i + 5), SUBKEY_R(i + 5), \ io[0], io[1], il, ir); \ CAMELLIA_ROUNDSM(io[0], io[1], \ SUBKEY_L(i + 6), SUBKEY_R(i + 6), \ io[2], io[3], il, ir); \ CAMELLIA_ROUNDSM(io[2], io[3], \ SUBKEY_L(i + 7), SUBKEY_R(i + 7), \ io[0], io[1], il, ir); \ |
e2861a71c
|
882 883 |
}) #define FLS(i) ({ \ |
621dd3692
|
884 885 886 887 |
CAMELLIA_FLS(io[0], io[1], io[2], io[3], \ SUBKEY_L(i + 0), SUBKEY_R(i + 0), \ SUBKEY_L(i + 1), SUBKEY_R(i + 1), \ t0, t1, il, ir); \ |
e2861a71c
|
888 |
}) |
acca79a66
|
889 890 891 892 893 894 895 896 897 898 |
ROUNDS(0); FLS(8); ROUNDS(8); FLS(16); ROUNDS(16); if (max == 32) { FLS(24); ROUNDS(24); } |
d64beac05
|
899 |
|
acca79a66
|
900 901 |
#undef ROUNDS #undef FLS |
d64beac05
|
902 903 |
/* post whitening but kw4 */ |
acca79a66
|
904 905 906 |
io[2] ^= SUBKEY_L(max); io[3] ^= SUBKEY_R(max); /* NB: io[0],[1] should be swapped with [2],[3] by caller! */ |
d64beac05
|
907 |
} |
acca79a66
|
908 |
static void camellia_do_decrypt(const u32 *subkey, u32 *io, unsigned i) |
d64beac05
|
909 |
{ |
621dd3692
|
910 |
u32 il, ir, t0, t1; /* temporary variables */ |
d64beac05
|
911 |
|
1721a8125
|
912 |
/* pre whitening but absorb kw2 */ |
acca79a66
|
913 914 |
io[0] ^= SUBKEY_L(i); io[1] ^= SUBKEY_R(i); |
d64beac05
|
915 916 |
/* main iteration */ |
e2861a71c
|
917 |
#define ROUNDS(i) ({ \ |
621dd3692
|
918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 |
CAMELLIA_ROUNDSM(io[0], io[1], \ SUBKEY_L(i + 7), SUBKEY_R(i + 7), \ io[2], io[3], il, ir); \ CAMELLIA_ROUNDSM(io[2], io[3], \ SUBKEY_L(i + 6), SUBKEY_R(i + 6), \ io[0], io[1], il, ir); \ CAMELLIA_ROUNDSM(io[0], io[1], \ SUBKEY_L(i + 5), SUBKEY_R(i + 5), \ io[2], io[3], il, ir); \ CAMELLIA_ROUNDSM(io[2], io[3], \ SUBKEY_L(i + 4), SUBKEY_R(i + 4), \ io[0], io[1], il, ir); \ CAMELLIA_ROUNDSM(io[0], io[1], \ SUBKEY_L(i + 3), SUBKEY_R(i + 3), \ io[2], io[3], il, ir); \ CAMELLIA_ROUNDSM(io[2], io[3], \ SUBKEY_L(i + 2), SUBKEY_R(i + 2), \ io[0], io[1], il, ir); \ |
e2861a71c
|
936 937 |
}) #define FLS(i) ({ \ |
621dd3692
|
938 939 940 941 |
CAMELLIA_FLS(io[0], io[1], io[2], io[3], \ SUBKEY_L(i + 1), SUBKEY_R(i + 1), \ SUBKEY_L(i + 0), SUBKEY_R(i + 0), \ t0, t1, il, ir); \ |
e2861a71c
|
942 |
}) |
acca79a66
|
943 944 945 946 947 948 949 950 951 952 |
if (i == 32) { ROUNDS(24); FLS(24); } ROUNDS(16); FLS(16); ROUNDS(8); FLS(8); ROUNDS(0); |
d64beac05
|
953 |
|
acca79a66
|
954 955 |
#undef ROUNDS #undef FLS |
d64beac05
|
956 957 |
/* post whitening but kw4 */ |
acca79a66
|
958 959 960 |
io[2] ^= SUBKEY_L(0); io[3] ^= SUBKEY_R(0); /* NB: 0,1 should be swapped with 2,3 by caller! */ |
d64beac05
|
961 |
} |
1721a8125
|
962 963 |
struct camellia_ctx { int key_length; |
2ddae4a64
|
964 |
u32 key_table[CAMELLIA_TABLE_BYTE_LEN / sizeof(u32)]; |
1721a8125
|
965 |
}; |
d64beac05
|
966 967 968 969 970 971 972 973 974 975 976 977 978 979 |
static int camellia_set_key(struct crypto_tfm *tfm, const u8 *in_key, unsigned int key_len) { struct camellia_ctx *cctx = crypto_tfm_ctx(tfm); const unsigned char *key = (const unsigned char *)in_key; u32 *flags = &tfm->crt_flags; if (key_len != 16 && key_len != 24 && key_len != 32) { *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; return -EINVAL; } cctx->key_length = key_len; |
1721a8125
|
980 |
switch (key_len) { |
d64beac05
|
981 982 983 984 985 986 987 988 989 |
case 16: camellia_setup128(key, cctx->key_table); break; case 24: camellia_setup192(key, cctx->key_table); break; case 32: camellia_setup256(key, cctx->key_table); break; |
d64beac05
|
990 991 992 993 |
} return 0; } |
d64beac05
|
994 995 996 997 998 |
static void camellia_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) { const struct camellia_ctx *cctx = crypto_tfm_ctx(tfm); const __be32 *src = (const __be32 *)in; __be32 *dst = (__be32 *)out; |
e2861a71c
|
999 |
unsigned int max; |
d64beac05
|
1000 |
|
3a5e5f810
|
1001 |
u32 tmp[4]; |
d64beac05
|
1002 |
|
3a5e5f810
|
1003 1004 1005 1006 |
tmp[0] = be32_to_cpu(src[0]); tmp[1] = be32_to_cpu(src[1]); tmp[2] = be32_to_cpu(src[2]); tmp[3] = be32_to_cpu(src[3]); |
d64beac05
|
1007 |
|
e2861a71c
|
1008 1009 1010 1011 1012 1013 |
if (cctx->key_length == 16) max = 24; else max = 32; /* for key lengths of 24 and 32 */ camellia_do_encrypt(cctx->key_table, tmp, max); |
d64beac05
|
1014 |
|
acca79a66
|
1015 1016 1017 1018 1019 |
/* do_encrypt returns 0,1 swapped with 2,3 */ dst[0] = cpu_to_be32(tmp[2]); dst[1] = cpu_to_be32(tmp[3]); dst[2] = cpu_to_be32(tmp[0]); dst[3] = cpu_to_be32(tmp[1]); |
d64beac05
|
1020 |
} |
d64beac05
|
1021 1022 1023 1024 1025 |
static void camellia_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) { const struct camellia_ctx *cctx = crypto_tfm_ctx(tfm); const __be32 *src = (const __be32 *)in; __be32 *dst = (__be32 *)out; |
e2861a71c
|
1026 |
unsigned int max; |
d64beac05
|
1027 |
|
3a5e5f810
|
1028 |
u32 tmp[4]; |
d64beac05
|
1029 |
|
3a5e5f810
|
1030 1031 1032 1033 |
tmp[0] = be32_to_cpu(src[0]); tmp[1] = be32_to_cpu(src[1]); tmp[2] = be32_to_cpu(src[2]); tmp[3] = be32_to_cpu(src[3]); |
d64beac05
|
1034 |
|
e2861a71c
|
1035 1036 1037 1038 1039 1040 |
if (cctx->key_length == 16) max = 24; else max = 32; /* for key lengths of 24 and 32 */ camellia_do_decrypt(cctx->key_table, tmp, max); |
d64beac05
|
1041 |
|
acca79a66
|
1042 1043 1044 1045 1046 |
/* do_decrypt returns 0,1 swapped with 2,3 */ dst[0] = cpu_to_be32(tmp[2]); dst[1] = cpu_to_be32(tmp[3]); dst[2] = cpu_to_be32(tmp[0]); dst[3] = cpu_to_be32(tmp[1]); |
d64beac05
|
1047 |
} |
d64beac05
|
1048 1049 1050 1051 1052 1053 1054 1055 1056 |
static struct crypto_alg camellia_alg = { .cra_name = "camellia", .cra_driver_name = "camellia-generic", .cra_priority = 100, .cra_flags = CRYPTO_ALG_TYPE_CIPHER, .cra_blocksize = CAMELLIA_BLOCK_SIZE, .cra_ctxsize = sizeof(struct camellia_ctx), .cra_alignmask = 3, .cra_module = THIS_MODULE, |
d64beac05
|
1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 |
.cra_u = { .cipher = { .cia_min_keysize = CAMELLIA_MIN_KEY_SIZE, .cia_max_keysize = CAMELLIA_MAX_KEY_SIZE, .cia_setkey = camellia_set_key, .cia_encrypt = camellia_encrypt, .cia_decrypt = camellia_decrypt } } }; static int __init camellia_init(void) { return crypto_register_alg(&camellia_alg); } |
d64beac05
|
1072 1073 1074 1075 |
static void __exit camellia_fini(void) { crypto_unregister_alg(&camellia_alg); } |
d64beac05
|
1076 1077 |
module_init(camellia_init); module_exit(camellia_fini); |
d64beac05
|
1078 1079 |
MODULE_DESCRIPTION("Camellia Cipher Algorithm"); MODULE_LICENSE("GPL"); |
5d26a105b
|
1080 |
MODULE_ALIAS_CRYPTO("camellia"); |
3e14dcf7c
|
1081 |
MODULE_ALIAS_CRYPTO("camellia-generic"); |