| /* |
| * 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 |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| */ |
| |
| /* |
| * 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> |
| |
| static const u32 camellia_sp1110[256] = { |
| 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, |
| }; |
| |
| static const u32 camellia_sp0222[256] = { |
| 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, |
| }; |
| |
| static const u32 camellia_sp3033[256] = { |
| 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, |
| }; |
| |
| static const u32 camellia_sp4404[256] = { |
| 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, |
| }; |
| |
| |
| #define CAMELLIA_MIN_KEY_SIZE 16 |
| #define CAMELLIA_MAX_KEY_SIZE 32 |
| #define CAMELLIA_BLOCK_SIZE 16 |
| #define CAMELLIA_TABLE_BYTE_LEN 272 |
| |
| |
| /* 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 |
| */ |
| |
| # define GETU32(pt) (((u32)(pt)[0] << 24) \ |
| ^ ((u32)(pt)[1] << 16) \ |
| ^ ((u32)(pt)[2] << 8) \ |
| ^ ((u32)(pt)[3])) |
| |
| /* rotation right shift 1byte */ |
| #define CAMELLIA_RR8(x) (((x) >> 8) + ((x) << 24)) |
| /* rotation left shift 1bit */ |
| #define CAMELLIA_RL1(x) (((x) << 1) + ((x) >> 31)) |
| /* rotation left shift 1byte */ |
| #define CAMELLIA_RL8(x) (((x) << 8) + ((x) >> 24)) |
| |
| #define CAMELLIA_ROLDQ(ll, lr, rl, rr, w0, w1, bits) \ |
| do { \ |
| 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)); \ |
| } while(0) |
| |
| #define CAMELLIA_ROLDQo32(ll, lr, rl, rr, w0, w1, bits) \ |
| do { \ |
| 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)); \ |
| } while(0) |
| |
| |
| #define CAMELLIA_F(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \ |
| do { \ |
| il = xl ^ kl; \ |
| ir = xr ^ kr; \ |
| t0 = il >> 16; \ |
| t1 = ir >> 16; \ |
| yl = camellia_sp1110[ir & 0xff] \ |
| ^ camellia_sp0222[(t1 >> 8) & 0xff] \ |
| ^ camellia_sp3033[t1 & 0xff] \ |
| ^ camellia_sp4404[(ir >> 8) & 0xff]; \ |
| yr = camellia_sp1110[(t0 >> 8) & 0xff] \ |
| ^ camellia_sp0222[t0 & 0xff] \ |
| ^ camellia_sp3033[(il >> 8) & 0xff] \ |
| ^ camellia_sp4404[il & 0xff]; \ |
| yl ^= yr; \ |
| yr = CAMELLIA_RR8(yr); \ |
| yr ^= yl; \ |
| } while(0) |
| |
| |
| /* |
| * for speed up |
| * |
| */ |
| #define CAMELLIA_FLS(ll, lr, rl, rr, kll, klr, krl, krr, t0, t1, t2, t3) \ |
| do { \ |
| t0 = kll; \ |
| t2 = krr; \ |
| t0 &= ll; \ |
| t2 |= rr; \ |
| rl ^= t2; \ |
| lr ^= CAMELLIA_RL1(t0); \ |
| t3 = krl; \ |
| t1 = klr; \ |
| t3 &= rl; \ |
| t1 |= lr; \ |
| ll ^= t1; \ |
| rr ^= CAMELLIA_RL1(t3); \ |
| } while(0) |
| |
| #define CAMELLIA_ROUNDSM(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \ |
| do { \ |
| ir = camellia_sp1110[xr & 0xff]; \ |
| il = camellia_sp1110[(xl>>24) & 0xff]; \ |
| ir ^= camellia_sp0222[(xr>>24) & 0xff]; \ |
| il ^= camellia_sp0222[(xl>>16) & 0xff]; \ |
| ir ^= camellia_sp3033[(xr>>16) & 0xff]; \ |
| il ^= camellia_sp3033[(xl>>8) & 0xff]; \ |
| ir ^= camellia_sp4404[(xr>>8) & 0xff]; \ |
| il ^= camellia_sp4404[xl & 0xff]; \ |
| il ^= kl; \ |
| ir ^= il ^ kr; \ |
| yl ^= ir; \ |
| yr ^= CAMELLIA_RR8(il) ^ ir; \ |
| } while(0) |
| |
| |
| #define CAMELLIA_SUBKEY_L(INDEX) (subkey[(INDEX)*2]) |
| #define CAMELLIA_SUBKEY_R(INDEX) (subkey[(INDEX)*2 + 1]) |
| |
| static void camellia_setup128(const unsigned char *key, u32 *subkey) |
| { |
| u32 kll, klr, krl, krr; |
| u32 il, ir, t0, t1, w0, w1; |
| u32 kw4l, kw4r, dw, tl, tr; |
| u32 subL[26]; |
| u32 subR[26]; |
| |
| /** |
| * k == kll || klr || krl || krr (|| is concatination) |
| */ |
| kll = GETU32(key ); |
| klr = GETU32(key + 4); |
| krl = GETU32(key + 8); |
| krr = GETU32(key + 12); |
| /** |
| * generate KL dependent subkeys |
| */ |
| /* kw1 */ |
| subL[0] = kll; subR[0] = klr; |
| /* kw2 */ |
| subL[1] = krl; subR[1] = krr; |
| /* rotation left shift 15bit */ |
| CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| /* k3 */ |
| subL[4] = kll; subR[4] = klr; |
| /* k4 */ |
| subL[5] = krl; subR[5] = krr; |
| /* rotation left shift 15+30bit */ |
| CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30); |
| /* k7 */ |
| subL[10] = kll; subR[10] = klr; |
| /* k8 */ |
| subL[11] = krl; subR[11] = krr; |
| /* rotation left shift 15+30+15bit */ |
| CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| /* k10 */ |
| subL[13] = krl; subR[13] = krr; |
| /* rotation left shift 15+30+15+17 bit */ |
| CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
| /* kl3 */ |
| subL[16] = kll; subR[16] = klr; |
| /* kl4 */ |
| subL[17] = krl; subR[17] = krr; |
| /* rotation left shift 15+30+15+17+17 bit */ |
| CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
| /* k13 */ |
| subL[18] = kll; subR[18] = klr; |
| /* k14 */ |
| subL[19] = krl; subR[19] = krr; |
| /* rotation left shift 15+30+15+17+17+17 bit */ |
| CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
| /* k17 */ |
| subL[22] = kll; subR[22] = klr; |
| /* k18 */ |
| subL[23] = krl; subR[23] = krr; |
| |
| /* generate KA */ |
| kll = subL[0]; klr = subR[0]; |
| krl = subL[1]; krr = subR[1]; |
| 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 */ |
| subL[2] = kll; subR[2] = klr; |
| subL[3] = krl; subR[3] = krr; |
| CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| /* k5,k6 */ |
| subL[6] = kll; subR[6] = klr; |
| subL[7] = krl; subR[7] = krr; |
| CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| /* kl1, kl2 */ |
| subL[8] = kll; subR[8] = klr; |
| subL[9] = krl; subR[9] = krr; |
| CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| /* k9 */ |
| subL[12] = kll; subR[12] = klr; |
| CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| /* k11, k12 */ |
| subL[14] = kll; subR[14] = klr; |
| subL[15] = krl; subR[15] = krr; |
| CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34); |
| /* k15, k16 */ |
| subL[20] = kll; subR[20] = klr; |
| subL[21] = krl; subR[21] = krr; |
| CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
| /* kw3, kw4 */ |
| subL[24] = kll; subR[24] = klr; |
| subL[25] = krl; subR[25] = krr; |
| |
| /* 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]; |
| dw = subL[1] & subL[9], |
| subR[1] ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl2) */ |
| /* 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]; |
| dw = subL[1] & subL[17], |
| subR[1] ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl4) */ |
| /* 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]; |
| /* kw3 */ |
| subL[24] ^= subL[1]; subR[24] ^= subR[1]; |
| |
| /* absorb kw4 to other subkeys */ |
| kw4l = subL[25]; kw4r = subR[25]; |
| /* 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]; |
| dw = kw4l & subL[16], |
| kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl3) */ |
| /* 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]; |
| dw = kw4l & subL[8], |
| kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl1) */ |
| /* 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; |
| |
| /* key XOR is end of F-function */ |
| CAMELLIA_SUBKEY_L(0) = subL[0] ^ subL[2];/* kw1 */ |
| CAMELLIA_SUBKEY_R(0) = subR[0] ^ subR[2]; |
| CAMELLIA_SUBKEY_L(2) = subL[3]; /* round 1 */ |
| CAMELLIA_SUBKEY_R(2) = subR[3]; |
| CAMELLIA_SUBKEY_L(3) = subL[2] ^ subL[4]; /* round 2 */ |
| CAMELLIA_SUBKEY_R(3) = subR[2] ^ subR[4]; |
| CAMELLIA_SUBKEY_L(4) = subL[3] ^ subL[5]; /* round 3 */ |
| CAMELLIA_SUBKEY_R(4) = subR[3] ^ subR[5]; |
| CAMELLIA_SUBKEY_L(5) = subL[4] ^ subL[6]; /* round 4 */ |
| CAMELLIA_SUBKEY_R(5) = subR[4] ^ subR[6]; |
| CAMELLIA_SUBKEY_L(6) = subL[5] ^ subL[7]; /* round 5 */ |
| CAMELLIA_SUBKEY_R(6) = subR[5] ^ subR[7]; |
| tl = subL[10] ^ (subR[10] & ~subR[8]); |
| dw = tl & subL[8], /* FL(kl1) */ |
| tr = subR[10] ^ CAMELLIA_RL1(dw); |
| CAMELLIA_SUBKEY_L(7) = subL[6] ^ tl; /* round 6 */ |
| CAMELLIA_SUBKEY_R(7) = subR[6] ^ tr; |
| CAMELLIA_SUBKEY_L(8) = subL[8]; /* FL(kl1) */ |
| CAMELLIA_SUBKEY_R(8) = subR[8]; |
| CAMELLIA_SUBKEY_L(9) = subL[9]; /* FLinv(kl2) */ |
| CAMELLIA_SUBKEY_R(9) = subR[9]; |
| tl = subL[7] ^ (subR[7] & ~subR[9]); |
| dw = tl & subL[9], /* FLinv(kl2) */ |
| tr = subR[7] ^ CAMELLIA_RL1(dw); |
| CAMELLIA_SUBKEY_L(10) = tl ^ subL[11]; /* round 7 */ |
| CAMELLIA_SUBKEY_R(10) = tr ^ subR[11]; |
| CAMELLIA_SUBKEY_L(11) = subL[10] ^ subL[12]; /* round 8 */ |
| CAMELLIA_SUBKEY_R(11) = subR[10] ^ subR[12]; |
| CAMELLIA_SUBKEY_L(12) = subL[11] ^ subL[13]; /* round 9 */ |
| CAMELLIA_SUBKEY_R(12) = subR[11] ^ subR[13]; |
| CAMELLIA_SUBKEY_L(13) = subL[12] ^ subL[14]; /* round 10 */ |
| CAMELLIA_SUBKEY_R(13) = subR[12] ^ subR[14]; |
| CAMELLIA_SUBKEY_L(14) = subL[13] ^ subL[15]; /* round 11 */ |
| CAMELLIA_SUBKEY_R(14) = subR[13] ^ subR[15]; |
| tl = subL[18] ^ (subR[18] & ~subR[16]); |
| dw = tl & subL[16], /* FL(kl3) */ |
| tr = subR[18] ^ CAMELLIA_RL1(dw); |
| CAMELLIA_SUBKEY_L(15) = subL[14] ^ tl; /* round 12 */ |
| CAMELLIA_SUBKEY_R(15) = subR[14] ^ tr; |
| CAMELLIA_SUBKEY_L(16) = subL[16]; /* FL(kl3) */ |
| CAMELLIA_SUBKEY_R(16) = subR[16]; |
| CAMELLIA_SUBKEY_L(17) = subL[17]; /* FLinv(kl4) */ |
| CAMELLIA_SUBKEY_R(17) = subR[17]; |
| tl = subL[15] ^ (subR[15] & ~subR[17]); |
| dw = tl & subL[17], /* FLinv(kl4) */ |
| tr = subR[15] ^ CAMELLIA_RL1(dw); |
| CAMELLIA_SUBKEY_L(18) = tl ^ subL[19]; /* round 13 */ |
| CAMELLIA_SUBKEY_R(18) = tr ^ subR[19]; |
| CAMELLIA_SUBKEY_L(19) = subL[18] ^ subL[20]; /* round 14 */ |
| CAMELLIA_SUBKEY_R(19) = subR[18] ^ subR[20]; |
| CAMELLIA_SUBKEY_L(20) = subL[19] ^ subL[21]; /* round 15 */ |
| CAMELLIA_SUBKEY_R(20) = subR[19] ^ subR[21]; |
| CAMELLIA_SUBKEY_L(21) = subL[20] ^ subL[22]; /* round 16 */ |
| CAMELLIA_SUBKEY_R(21) = subR[20] ^ subR[22]; |
| CAMELLIA_SUBKEY_L(22) = subL[21] ^ subL[23]; /* round 17 */ |
| CAMELLIA_SUBKEY_R(22) = subR[21] ^ subR[23]; |
| CAMELLIA_SUBKEY_L(23) = subL[22]; /* round 18 */ |
| CAMELLIA_SUBKEY_R(23) = subR[22]; |
| CAMELLIA_SUBKEY_L(24) = subL[24] ^ subL[23]; /* kw3 */ |
| CAMELLIA_SUBKEY_R(24) = subR[24] ^ subR[23]; |
| |
| /* apply the inverse of the last half of P-function */ |
| dw = CAMELLIA_SUBKEY_L(2) ^ CAMELLIA_SUBKEY_R(2), |
| dw = CAMELLIA_RL8(dw);/* round 1 */ |
| CAMELLIA_SUBKEY_R(2) = CAMELLIA_SUBKEY_L(2) ^ dw, |
| CAMELLIA_SUBKEY_L(2) = dw; |
| dw = CAMELLIA_SUBKEY_L(3) ^ CAMELLIA_SUBKEY_R(3), |
| dw = CAMELLIA_RL8(dw);/* round 2 */ |
| CAMELLIA_SUBKEY_R(3) = CAMELLIA_SUBKEY_L(3) ^ dw, |
| CAMELLIA_SUBKEY_L(3) = dw; |
| dw = CAMELLIA_SUBKEY_L(4) ^ CAMELLIA_SUBKEY_R(4), |
| dw = CAMELLIA_RL8(dw);/* round 3 */ |
| CAMELLIA_SUBKEY_R(4) = CAMELLIA_SUBKEY_L(4) ^ dw, |
| CAMELLIA_SUBKEY_L(4) = dw; |
| dw = CAMELLIA_SUBKEY_L(5) ^ CAMELLIA_SUBKEY_R(5), |
| dw = CAMELLIA_RL8(dw);/* round 4 */ |
| CAMELLIA_SUBKEY_R(5) = CAMELLIA_SUBKEY_L(5) ^ dw, |
| CAMELLIA_SUBKEY_L(5) = dw; |
| dw = CAMELLIA_SUBKEY_L(6) ^ CAMELLIA_SUBKEY_R(6), |
| dw = CAMELLIA_RL8(dw);/* round 5 */ |
| CAMELLIA_SUBKEY_R(6) = CAMELLIA_SUBKEY_L(6) ^ dw, |
| CAMELLIA_SUBKEY_L(6) = dw; |
| dw = CAMELLIA_SUBKEY_L(7) ^ CAMELLIA_SUBKEY_R(7), |
| dw = CAMELLIA_RL8(dw);/* round 6 */ |
| CAMELLIA_SUBKEY_R(7) = CAMELLIA_SUBKEY_L(7) ^ dw, |
| CAMELLIA_SUBKEY_L(7) = dw; |
| dw = CAMELLIA_SUBKEY_L(10) ^ CAMELLIA_SUBKEY_R(10), |
| dw = CAMELLIA_RL8(dw);/* round 7 */ |
| CAMELLIA_SUBKEY_R(10) = CAMELLIA_SUBKEY_L(10) ^ dw, |
| CAMELLIA_SUBKEY_L(10) = dw; |
| dw = CAMELLIA_SUBKEY_L(11) ^ CAMELLIA_SUBKEY_R(11), |
| dw = CAMELLIA_RL8(dw);/* round 8 */ |
| CAMELLIA_SUBKEY_R(11) = CAMELLIA_SUBKEY_L(11) ^ dw, |
| CAMELLIA_SUBKEY_L(11) = dw; |
| dw = CAMELLIA_SUBKEY_L(12) ^ CAMELLIA_SUBKEY_R(12), |
| dw = CAMELLIA_RL8(dw);/* round 9 */ |
| CAMELLIA_SUBKEY_R(12) = CAMELLIA_SUBKEY_L(12) ^ dw, |
| CAMELLIA_SUBKEY_L(12) = dw; |
| dw = CAMELLIA_SUBKEY_L(13) ^ CAMELLIA_SUBKEY_R(13), |
| dw = CAMELLIA_RL8(dw);/* round 10 */ |
| CAMELLIA_SUBKEY_R(13) = CAMELLIA_SUBKEY_L(13) ^ dw, |
| CAMELLIA_SUBKEY_L(13) = dw; |
| dw = CAMELLIA_SUBKEY_L(14) ^ CAMELLIA_SUBKEY_R(14), |
| dw = CAMELLIA_RL8(dw);/* round 11 */ |
| CAMELLIA_SUBKEY_R(14) = CAMELLIA_SUBKEY_L(14) ^ dw, |
| CAMELLIA_SUBKEY_L(14) = dw; |
| dw = CAMELLIA_SUBKEY_L(15) ^ CAMELLIA_SUBKEY_R(15), |
| dw = CAMELLIA_RL8(dw);/* round 12 */ |
| CAMELLIA_SUBKEY_R(15) = CAMELLIA_SUBKEY_L(15) ^ dw, |
| CAMELLIA_SUBKEY_L(15) = dw; |
| dw = CAMELLIA_SUBKEY_L(18) ^ CAMELLIA_SUBKEY_R(18), |
| dw = CAMELLIA_RL8(dw);/* round 13 */ |
| CAMELLIA_SUBKEY_R(18) = CAMELLIA_SUBKEY_L(18) ^ dw, |
| CAMELLIA_SUBKEY_L(18) = dw; |
| dw = CAMELLIA_SUBKEY_L(19) ^ CAMELLIA_SUBKEY_R(19), |
| dw = CAMELLIA_RL8(dw);/* round 14 */ |
| CAMELLIA_SUBKEY_R(19) = CAMELLIA_SUBKEY_L(19) ^ dw, |
| CAMELLIA_SUBKEY_L(19) = dw; |
| dw = CAMELLIA_SUBKEY_L(20) ^ CAMELLIA_SUBKEY_R(20), |
| dw = CAMELLIA_RL8(dw);/* round 15 */ |
| CAMELLIA_SUBKEY_R(20) = CAMELLIA_SUBKEY_L(20) ^ dw, |
| CAMELLIA_SUBKEY_L(20) = dw; |
| dw = CAMELLIA_SUBKEY_L(21) ^ CAMELLIA_SUBKEY_R(21), |
| dw = CAMELLIA_RL8(dw);/* round 16 */ |
| CAMELLIA_SUBKEY_R(21) = CAMELLIA_SUBKEY_L(21) ^ dw, |
| CAMELLIA_SUBKEY_L(21) = dw; |
| dw = CAMELLIA_SUBKEY_L(22) ^ CAMELLIA_SUBKEY_R(22), |
| dw = CAMELLIA_RL8(dw);/* round 17 */ |
| CAMELLIA_SUBKEY_R(22) = CAMELLIA_SUBKEY_L(22) ^ dw, |
| CAMELLIA_SUBKEY_L(22) = dw; |
| dw = CAMELLIA_SUBKEY_L(23) ^ CAMELLIA_SUBKEY_R(23), |
| dw = CAMELLIA_RL8(dw);/* round 18 */ |
| CAMELLIA_SUBKEY_R(23) = CAMELLIA_SUBKEY_L(23) ^ dw, |
| CAMELLIA_SUBKEY_L(23) = dw; |
| } |
| |
| static void camellia_setup256(const unsigned char *key, u32 *subkey) |
| { |
| u32 kll,klr,krl,krr; /* left half of key */ |
| u32 krll,krlr,krrl,krrr; /* right half of key */ |
| u32 il, ir, t0, t1, w0, w1; /* temporary variables */ |
| u32 kw4l, kw4r, dw, tl, tr; |
| u32 subL[34]; |
| u32 subR[34]; |
| |
| /** |
| * key = (kll || klr || krl || krr || krll || krlr || krrl || krrr) |
| * (|| is concatination) |
| */ |
| |
| kll = GETU32(key ); |
| klr = GETU32(key + 4); |
| krl = GETU32(key + 8); |
| krr = GETU32(key + 12); |
| krll = GETU32(key + 16); |
| krlr = GETU32(key + 20); |
| krrl = GETU32(key + 24); |
| krrr = GETU32(key + 28); |
| |
| /* generate KL dependent subkeys */ |
| /* kw1 */ |
| subL[0] = kll; subR[0] = klr; |
| /* kw2 */ |
| subL[1] = krl; subR[1] = krr; |
| CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 45); |
| /* k9 */ |
| subL[12] = kll; subR[12] = klr; |
| /* k10 */ |
| subL[13] = krl; subR[13] = krr; |
| CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| /* kl3 */ |
| subL[16] = kll; subR[16] = klr; |
| /* kl4 */ |
| subL[17] = krl; subR[17] = krr; |
| CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
| /* k17 */ |
| subL[22] = kll; subR[22] = klr; |
| /* k18 */ |
| subL[23] = krl; subR[23] = krr; |
| CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34); |
| /* k23 */ |
| subL[30] = kll; subR[30] = klr; |
| /* k24 */ |
| subL[31] = krl; subR[31] = krr; |
| |
| /* generate KR dependent subkeys */ |
| CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); |
| /* k3 */ |
| subL[4] = krll; subR[4] = krlr; |
| /* k4 */ |
| subL[5] = krrl; subR[5] = krrr; |
| CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); |
| /* kl1 */ |
| subL[8] = krll; subR[8] = krlr; |
| /* kl2 */ |
| subL[9] = krrl; subR[9] = krrr; |
| CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
| /* k13 */ |
| subL[18] = krll; subR[18] = krlr; |
| /* k14 */ |
| subL[19] = krrl; subR[19] = krrr; |
| CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); |
| /* k19 */ |
| subL[26] = krll; subR[26] = krlr; |
| /* k20 */ |
| subL[27] = krrl; subR[27] = krrr; |
| CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); |
| |
| /* generate KA */ |
| kll = subL[0] ^ krll; klr = subR[0] ^ krlr; |
| krl = subL[1] ^ krrl; krr = subR[1] ^ krrr; |
| 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 */ |
| CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| /* k5 */ |
| subL[6] = kll; subR[6] = klr; |
| /* k6 */ |
| subL[7] = krl; subR[7] = krr; |
| CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30); |
| /* k11 */ |
| subL[14] = kll; subR[14] = klr; |
| /* k12 */ |
| subL[15] = krl; subR[15] = krr; |
| /* rotation left shift 32bit */ |
| /* kl5 */ |
| subL[24] = klr; subR[24] = krl; |
| /* kl6 */ |
| subL[25] = krr; subR[25] = kll; |
| /* rotation left shift 49 from k11,k12 -> k21,k22 */ |
| CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 49); |
| /* k21 */ |
| subL[28] = kll; subR[28] = klr; |
| /* k22 */ |
| subL[29] = krl; subR[29] = krr; |
| |
| /* generate KB dependent subkeys */ |
| /* k1 */ |
| subL[2] = krll; subR[2] = krlr; |
| /* k2 */ |
| subL[3] = krrl; subR[3] = krrr; |
| CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
| /* k7 */ |
| subL[10] = krll; subR[10] = krlr; |
| /* k8 */ |
| subL[11] = krrl; subR[11] = krrr; |
| CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
| /* k15 */ |
| subL[20] = krll; subR[20] = krlr; |
| /* k16 */ |
| subL[21] = krrl; subR[21] = krrr; |
| CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 51); |
| /* kw3 */ |
| subL[32] = krll; subR[32] = krlr; |
| /* kw4 */ |
| subL[33] = krrl; subR[33] = krrr; |
| |
| /* 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]; |
| dw = subL[1] & subL[9], |
| subR[1] ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl2) */ |
| /* 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]; |
| dw = subL[1] & subL[17], |
| subR[1] ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl4) */ |
| /* 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]; |
| subL[1] ^= subR[1] & ~subR[25]; |
| dw = subL[1] & subL[25], |
| subR[1] ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl6) */ |
| /* 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]; |
| dw = kw4l & subL[24], |
| kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl5) */ |
| /* 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]; |
| dw = kw4l & subL[16], |
| kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl3) */ |
| /* 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]; |
| dw = kw4l & subL[8], |
| kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl1) */ |
| /* 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; |
| |
| /* key XOR is end of F-function */ |
| CAMELLIA_SUBKEY_L(0) = subL[0] ^ subL[2];/* kw1 */ |
| CAMELLIA_SUBKEY_R(0) = subR[0] ^ subR[2]; |
| CAMELLIA_SUBKEY_L(2) = subL[3]; /* round 1 */ |
| CAMELLIA_SUBKEY_R(2) = subR[3]; |
| CAMELLIA_SUBKEY_L(3) = subL[2] ^ subL[4]; /* round 2 */ |
| CAMELLIA_SUBKEY_R(3) = subR[2] ^ subR[4]; |
| CAMELLIA_SUBKEY_L(4) = subL[3] ^ subL[5]; /* round 3 */ |
| CAMELLIA_SUBKEY_R(4) = subR[3] ^ subR[5]; |
| CAMELLIA_SUBKEY_L(5) = subL[4] ^ subL[6]; /* round 4 */ |
| CAMELLIA_SUBKEY_R(5) = subR[4] ^ subR[6]; |
| CAMELLIA_SUBKEY_L(6) = subL[5] ^ subL[7]; /* round 5 */ |
| CAMELLIA_SUBKEY_R(6) = subR[5] ^ subR[7]; |
| tl = subL[10] ^ (subR[10] & ~subR[8]); |
| dw = tl & subL[8], /* FL(kl1) */ |
| tr = subR[10] ^ CAMELLIA_RL1(dw); |
| CAMELLIA_SUBKEY_L(7) = subL[6] ^ tl; /* round 6 */ |
| CAMELLIA_SUBKEY_R(7) = subR[6] ^ tr; |
| CAMELLIA_SUBKEY_L(8) = subL[8]; /* FL(kl1) */ |
| CAMELLIA_SUBKEY_R(8) = subR[8]; |
| CAMELLIA_SUBKEY_L(9) = subL[9]; /* FLinv(kl2) */ |
| CAMELLIA_SUBKEY_R(9) = subR[9]; |
| tl = subL[7] ^ (subR[7] & ~subR[9]); |
| dw = tl & subL[9], /* FLinv(kl2) */ |
| tr = subR[7] ^ CAMELLIA_RL1(dw); |
| CAMELLIA_SUBKEY_L(10) = tl ^ subL[11]; /* round 7 */ |
| CAMELLIA_SUBKEY_R(10) = tr ^ subR[11]; |
| CAMELLIA_SUBKEY_L(11) = subL[10] ^ subL[12]; /* round 8 */ |
| CAMELLIA_SUBKEY_R(11) = subR[10] ^ subR[12]; |
| CAMELLIA_SUBKEY_L(12) = subL[11] ^ subL[13]; /* round 9 */ |
| CAMELLIA_SUBKEY_R(12) = subR[11] ^ subR[13]; |
| CAMELLIA_SUBKEY_L(13) = subL[12] ^ subL[14]; /* round 10 */ |
| CAMELLIA_SUBKEY_R(13) = subR[12] ^ subR[14]; |
| CAMELLIA_SUBKEY_L(14) = subL[13] ^ subL[15]; /* round 11 */ |
| CAMELLIA_SUBKEY_R(14) = subR[13] ^ subR[15]; |
| tl = subL[18] ^ (subR[18] & ~subR[16]); |
| dw = tl & subL[16], /* FL(kl3) */ |
| tr = subR[18] ^ CAMELLIA_RL1(dw); |
| CAMELLIA_SUBKEY_L(15) = subL[14] ^ tl; /* round 12 */ |
| CAMELLIA_SUBKEY_R(15) = subR[14] ^ tr; |
| CAMELLIA_SUBKEY_L(16) = subL[16]; /* FL(kl3) */ |
| CAMELLIA_SUBKEY_R(16) = subR[16]; |
| CAMELLIA_SUBKEY_L(17) = subL[17]; /* FLinv(kl4) */ |
| CAMELLIA_SUBKEY_R(17) = subR[17]; |
| tl = subL[15] ^ (subR[15] & ~subR[17]); |
| dw = tl & subL[17], /* FLinv(kl4) */ |
| tr = subR[15] ^ CAMELLIA_RL1(dw); |
| CAMELLIA_SUBKEY_L(18) = tl ^ subL[19]; /* round 13 */ |
| CAMELLIA_SUBKEY_R(18) = tr ^ subR[19]; |
| CAMELLIA_SUBKEY_L(19) = subL[18] ^ subL[20]; /* round 14 */ |
| CAMELLIA_SUBKEY_R(19) = subR[18] ^ subR[20]; |
| CAMELLIA_SUBKEY_L(20) = subL[19] ^ subL[21]; /* round 15 */ |
| CAMELLIA_SUBKEY_R(20) = subR[19] ^ subR[21]; |
| CAMELLIA_SUBKEY_L(21) = subL[20] ^ subL[22]; /* round 16 */ |
| CAMELLIA_SUBKEY_R(21) = subR[20] ^ subR[22]; |
| CAMELLIA_SUBKEY_L(22) = subL[21] ^ subL[23]; /* round 17 */ |
| CAMELLIA_SUBKEY_R(22) = subR[21] ^ subR[23]; |
| tl = subL[26] ^ (subR[26] |
| & ~subR[24]); |
| dw = tl & subL[24], /* FL(kl5) */ |
| tr = subR[26] ^ CAMELLIA_RL1(dw); |
| CAMELLIA_SUBKEY_L(23) = subL[22] ^ tl; /* round 18 */ |
| CAMELLIA_SUBKEY_R(23) = subR[22] ^ tr; |
| CAMELLIA_SUBKEY_L(24) = subL[24]; /* FL(kl5) */ |
| CAMELLIA_SUBKEY_R(24) = subR[24]; |
| CAMELLIA_SUBKEY_L(25) = subL[25]; /* FLinv(kl6) */ |
| CAMELLIA_SUBKEY_R(25) = subR[25]; |
| tl = subL[23] ^ (subR[23] & |
| ~subR[25]); |
| dw = tl & subL[25], /* FLinv(kl6) */ |
| tr = subR[23] ^ CAMELLIA_RL1(dw); |
| CAMELLIA_SUBKEY_L(26) = tl ^ subL[27]; /* round 19 */ |
| CAMELLIA_SUBKEY_R(26) = tr ^ subR[27]; |
| CAMELLIA_SUBKEY_L(27) = subL[26] ^ subL[28]; /* round 20 */ |
| CAMELLIA_SUBKEY_R(27) = subR[26] ^ subR[28]; |
| CAMELLIA_SUBKEY_L(28) = subL[27] ^ subL[29]; /* round 21 */ |
| CAMELLIA_SUBKEY_R(28) = subR[27] ^ subR[29]; |
| CAMELLIA_SUBKEY_L(29) = subL[28] ^ subL[30]; /* round 22 */ |
| CAMELLIA_SUBKEY_R(29) = subR[28] ^ subR[30]; |
| CAMELLIA_SUBKEY_L(30) = subL[29] ^ subL[31]; /* round 23 */ |
| CAMELLIA_SUBKEY_R(30) = subR[29] ^ subR[31]; |
| CAMELLIA_SUBKEY_L(31) = subL[30]; /* round 24 */ |
| CAMELLIA_SUBKEY_R(31) = subR[30]; |
| CAMELLIA_SUBKEY_L(32) = subL[32] ^ subL[31]; /* kw3 */ |
| CAMELLIA_SUBKEY_R(32) = subR[32] ^ subR[31]; |
| |
| /* apply the inverse of the last half of P-function */ |
| dw = CAMELLIA_SUBKEY_L(2) ^ CAMELLIA_SUBKEY_R(2), |
| dw = CAMELLIA_RL8(dw);/* round 1 */ |
| CAMELLIA_SUBKEY_R(2) = CAMELLIA_SUBKEY_L(2) ^ dw, |
| CAMELLIA_SUBKEY_L(2) = dw; |
| dw = CAMELLIA_SUBKEY_L(3) ^ CAMELLIA_SUBKEY_R(3), |
| dw = CAMELLIA_RL8(dw);/* round 2 */ |
| CAMELLIA_SUBKEY_R(3) = CAMELLIA_SUBKEY_L(3) ^ dw, |
| CAMELLIA_SUBKEY_L(3) = dw; |
| dw = CAMELLIA_SUBKEY_L(4) ^ CAMELLIA_SUBKEY_R(4), |
| dw = CAMELLIA_RL8(dw);/* round 3 */ |
| CAMELLIA_SUBKEY_R(4) = CAMELLIA_SUBKEY_L(4) ^ dw, |
| CAMELLIA_SUBKEY_L(4) = dw; |
| dw = CAMELLIA_SUBKEY_L(5) ^ CAMELLIA_SUBKEY_R(5), |
| dw = CAMELLIA_RL8(dw);/* round 4 */ |
| CAMELLIA_SUBKEY_R(5) = CAMELLIA_SUBKEY_L(5) ^ dw, |
| CAMELLIA_SUBKEY_L(5) = dw; |
| dw = CAMELLIA_SUBKEY_L(6) ^ CAMELLIA_SUBKEY_R(6), |
| dw = CAMELLIA_RL8(dw);/* round 5 */ |
| CAMELLIA_SUBKEY_R(6) = CAMELLIA_SUBKEY_L(6) ^ dw, |
| CAMELLIA_SUBKEY_L(6) = dw; |
| dw = CAMELLIA_SUBKEY_L(7) ^ CAMELLIA_SUBKEY_R(7), |
| dw = CAMELLIA_RL8(dw);/* round 6 */ |
| CAMELLIA_SUBKEY_R(7) = CAMELLIA_SUBKEY_L(7) ^ dw, |
| CAMELLIA_SUBKEY_L(7) = dw; |
| dw = CAMELLIA_SUBKEY_L(10) ^ CAMELLIA_SUBKEY_R(10), |
| dw = CAMELLIA_RL8(dw);/* round 7 */ |
| CAMELLIA_SUBKEY_R(10) = CAMELLIA_SUBKEY_L(10) ^ dw, |
| CAMELLIA_SUBKEY_L(10) = dw; |
| dw = CAMELLIA_SUBKEY_L(11) ^ CAMELLIA_SUBKEY_R(11), |
| dw = CAMELLIA_RL8(dw);/* round 8 */ |
| CAMELLIA_SUBKEY_R(11) = CAMELLIA_SUBKEY_L(11) ^ dw, |
| CAMELLIA_SUBKEY_L(11) = dw; |
| dw = CAMELLIA_SUBKEY_L(12) ^ CAMELLIA_SUBKEY_R(12), |
| dw = CAMELLIA_RL8(dw);/* round 9 */ |
| CAMELLIA_SUBKEY_R(12) = CAMELLIA_SUBKEY_L(12) ^ dw, |
| CAMELLIA_SUBKEY_L(12) = dw; |
| dw = CAMELLIA_SUBKEY_L(13) ^ CAMELLIA_SUBKEY_R(13), |
| dw = CAMELLIA_RL8(dw);/* round 10 */ |
| CAMELLIA_SUBKEY_R(13) = CAMELLIA_SUBKEY_L(13) ^ dw, |
| CAMELLIA_SUBKEY_L(13) = dw; |
| dw = CAMELLIA_SUBKEY_L(14) ^ CAMELLIA_SUBKEY_R(14), |
| dw = CAMELLIA_RL8(dw);/* round 11 */ |
| CAMELLIA_SUBKEY_R(14) = CAMELLIA_SUBKEY_L(14) ^ dw, |
| CAMELLIA_SUBKEY_L(14) = dw; |
| dw = CAMELLIA_SUBKEY_L(15) ^ CAMELLIA_SUBKEY_R(15), |
| dw = CAMELLIA_RL8(dw);/* round 12 */ |
| CAMELLIA_SUBKEY_R(15) = CAMELLIA_SUBKEY_L(15) ^ dw, |
| CAMELLIA_SUBKEY_L(15) = dw; |
| dw = CAMELLIA_SUBKEY_L(18) ^ CAMELLIA_SUBKEY_R(18), |
| dw = CAMELLIA_RL8(dw);/* round 13 */ |
| CAMELLIA_SUBKEY_R(18) = CAMELLIA_SUBKEY_L(18) ^ dw, |
| CAMELLIA_SUBKEY_L(18) = dw; |
| dw = CAMELLIA_SUBKEY_L(19) ^ CAMELLIA_SUBKEY_R(19), |
| dw = CAMELLIA_RL8(dw);/* round 14 */ |
| CAMELLIA_SUBKEY_R(19) = CAMELLIA_SUBKEY_L(19) ^ dw, |
| CAMELLIA_SUBKEY_L(19) = dw; |
| dw = CAMELLIA_SUBKEY_L(20) ^ CAMELLIA_SUBKEY_R(20), |
| dw = CAMELLIA_RL8(dw);/* round 15 */ |
| CAMELLIA_SUBKEY_R(20) = CAMELLIA_SUBKEY_L(20) ^ dw, |
| CAMELLIA_SUBKEY_L(20) = dw; |
| dw = CAMELLIA_SUBKEY_L(21) ^ CAMELLIA_SUBKEY_R(21), |
| dw = CAMELLIA_RL8(dw);/* round 16 */ |
| CAMELLIA_SUBKEY_R(21) = CAMELLIA_SUBKEY_L(21) ^ dw, |
| CAMELLIA_SUBKEY_L(21) = dw; |
| dw = CAMELLIA_SUBKEY_L(22) ^ CAMELLIA_SUBKEY_R(22), |
| dw = CAMELLIA_RL8(dw);/* round 17 */ |
| CAMELLIA_SUBKEY_R(22) = CAMELLIA_SUBKEY_L(22) ^ dw, |
| CAMELLIA_SUBKEY_L(22) = dw; |
| dw = CAMELLIA_SUBKEY_L(23) ^ CAMELLIA_SUBKEY_R(23), |
| dw = CAMELLIA_RL8(dw);/* round 18 */ |
| CAMELLIA_SUBKEY_R(23) = CAMELLIA_SUBKEY_L(23) ^ dw, |
| CAMELLIA_SUBKEY_L(23) = dw; |
| dw = CAMELLIA_SUBKEY_L(26) ^ CAMELLIA_SUBKEY_R(26), |
| dw = CAMELLIA_RL8(dw);/* round 19 */ |
| CAMELLIA_SUBKEY_R(26) = CAMELLIA_SUBKEY_L(26) ^ dw, |
| CAMELLIA_SUBKEY_L(26) = dw; |
| dw = CAMELLIA_SUBKEY_L(27) ^ CAMELLIA_SUBKEY_R(27), |
| dw = CAMELLIA_RL8(dw);/* round 20 */ |
| CAMELLIA_SUBKEY_R(27) = CAMELLIA_SUBKEY_L(27) ^ dw, |
| CAMELLIA_SUBKEY_L(27) = dw; |
| dw = CAMELLIA_SUBKEY_L(28) ^ CAMELLIA_SUBKEY_R(28), |
| dw = CAMELLIA_RL8(dw);/* round 21 */ |
| CAMELLIA_SUBKEY_R(28) = CAMELLIA_SUBKEY_L(28) ^ dw, |
| CAMELLIA_SUBKEY_L(28) = dw; |
| dw = CAMELLIA_SUBKEY_L(29) ^ CAMELLIA_SUBKEY_R(29), |
| dw = CAMELLIA_RL8(dw);/* round 22 */ |
| CAMELLIA_SUBKEY_R(29) = CAMELLIA_SUBKEY_L(29) ^ dw, |
| CAMELLIA_SUBKEY_L(29) = dw; |
| dw = CAMELLIA_SUBKEY_L(30) ^ CAMELLIA_SUBKEY_R(30), |
| dw = CAMELLIA_RL8(dw);/* round 23 */ |
| CAMELLIA_SUBKEY_R(30) = CAMELLIA_SUBKEY_L(30) ^ dw, |
| CAMELLIA_SUBKEY_L(30) = dw; |
| dw = CAMELLIA_SUBKEY_L(31) ^ CAMELLIA_SUBKEY_R(31), |
| dw = CAMELLIA_RL8(dw);/* round 24 */ |
| CAMELLIA_SUBKEY_R(31) = CAMELLIA_SUBKEY_L(31) ^ dw, |
| CAMELLIA_SUBKEY_L(31) = dw; |
| } |
| |
| static void camellia_setup192(const unsigned char *key, u32 *subkey) |
| { |
| unsigned char kk[32]; |
| u32 krll, krlr, krrl,krrr; |
| |
| memcpy(kk, key, 24); |
| memcpy((unsigned char *)&krll, key+16, 4); |
| memcpy((unsigned char *)&krlr, key+20, 4); |
| krrl = ~krll; |
| krrr = ~krlr; |
| memcpy(kk+24, (unsigned char *)&krrl, 4); |
| memcpy(kk+28, (unsigned char *)&krrr, 4); |
| camellia_setup256(kk, subkey); |
| } |
| |
| |
| static void camellia_encrypt128(const u32 *subkey, __be32 *io_text) |
| { |
| u32 il,ir,t0,t1; /* temporary valiables */ |
| |
| u32 io[4]; |
| |
| io[0] = be32_to_cpu(io_text[0]); |
| io[1] = be32_to_cpu(io_text[1]); |
| io[2] = be32_to_cpu(io_text[2]); |
| io[3] = be32_to_cpu(io_text[3]); |
| |
| /* pre whitening but absorb kw2 */ |
| io[0] ^= CAMELLIA_SUBKEY_L(0); |
| io[1] ^= CAMELLIA_SUBKEY_R(0); |
| |
| /* main iteration */ |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(2),CAMELLIA_SUBKEY_R(2), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(3),CAMELLIA_SUBKEY_R(3), |
| io[0],io[1],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(4),CAMELLIA_SUBKEY_R(4), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(5),CAMELLIA_SUBKEY_R(5), |
| io[0],io[1],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(6),CAMELLIA_SUBKEY_R(6), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(7),CAMELLIA_SUBKEY_R(7), |
| io[0],io[1],il,ir,t0,t1); |
| |
| CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
| CAMELLIA_SUBKEY_L(8),CAMELLIA_SUBKEY_R(8), |
| CAMELLIA_SUBKEY_L(9),CAMELLIA_SUBKEY_R(9), |
| t0,t1,il,ir); |
| |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(10),CAMELLIA_SUBKEY_R(10), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(11),CAMELLIA_SUBKEY_R(11), |
| io[0],io[1],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(12),CAMELLIA_SUBKEY_R(12), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(13),CAMELLIA_SUBKEY_R(13), |
| io[0],io[1],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(14),CAMELLIA_SUBKEY_R(14), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(15),CAMELLIA_SUBKEY_R(15), |
| io[0],io[1],il,ir,t0,t1); |
| |
| CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
| CAMELLIA_SUBKEY_L(16),CAMELLIA_SUBKEY_R(16), |
| CAMELLIA_SUBKEY_L(17),CAMELLIA_SUBKEY_R(17), |
| t0,t1,il,ir); |
| |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(18),CAMELLIA_SUBKEY_R(18), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(19),CAMELLIA_SUBKEY_R(19), |
| io[0],io[1],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(20),CAMELLIA_SUBKEY_R(20), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(21),CAMELLIA_SUBKEY_R(21), |
| io[0],io[1],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(22),CAMELLIA_SUBKEY_R(22), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(23),CAMELLIA_SUBKEY_R(23), |
| io[0],io[1],il,ir,t0,t1); |
| |
| /* post whitening but kw4 */ |
| io[2] ^= CAMELLIA_SUBKEY_L(24); |
| io[3] ^= CAMELLIA_SUBKEY_R(24); |
| |
| io_text[0] = cpu_to_be32(io[2]); |
| io_text[1] = cpu_to_be32(io[3]); |
| io_text[2] = cpu_to_be32(io[0]); |
| io_text[3] = cpu_to_be32(io[1]); |
| } |
| |
| static void camellia_decrypt128(const u32 *subkey, __be32 *io_text) |
| { |
| u32 il,ir,t0,t1; /* temporary valiables */ |
| |
| u32 io[4]; |
| |
| io[0] = be32_to_cpu(io_text[0]); |
| io[1] = be32_to_cpu(io_text[1]); |
| io[2] = be32_to_cpu(io_text[2]); |
| io[3] = be32_to_cpu(io_text[3]); |
| |
| /* pre whitening but absorb kw2 */ |
| io[0] ^= CAMELLIA_SUBKEY_L(24); |
| io[1] ^= CAMELLIA_SUBKEY_R(24); |
| |
| /* main iteration */ |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(23),CAMELLIA_SUBKEY_R(23), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(22),CAMELLIA_SUBKEY_R(22), |
| io[0],io[1],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(21),CAMELLIA_SUBKEY_R(21), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(20),CAMELLIA_SUBKEY_R(20), |
| io[0],io[1],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(19),CAMELLIA_SUBKEY_R(19), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(18),CAMELLIA_SUBKEY_R(18), |
| io[0],io[1],il,ir,t0,t1); |
| |
| CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
| CAMELLIA_SUBKEY_L(17),CAMELLIA_SUBKEY_R(17), |
| CAMELLIA_SUBKEY_L(16),CAMELLIA_SUBKEY_R(16), |
| t0,t1,il,ir); |
| |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(15),CAMELLIA_SUBKEY_R(15), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(14),CAMELLIA_SUBKEY_R(14), |
| io[0],io[1],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(13),CAMELLIA_SUBKEY_R(13), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(12),CAMELLIA_SUBKEY_R(12), |
| io[0],io[1],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(11),CAMELLIA_SUBKEY_R(11), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(10),CAMELLIA_SUBKEY_R(10), |
| io[0],io[1],il,ir,t0,t1); |
| |
| CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
| CAMELLIA_SUBKEY_L(9),CAMELLIA_SUBKEY_R(9), |
| CAMELLIA_SUBKEY_L(8),CAMELLIA_SUBKEY_R(8), |
| t0,t1,il,ir); |
| |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(7),CAMELLIA_SUBKEY_R(7), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(6),CAMELLIA_SUBKEY_R(6), |
| io[0],io[1],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(5),CAMELLIA_SUBKEY_R(5), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(4),CAMELLIA_SUBKEY_R(4), |
| io[0],io[1],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(3),CAMELLIA_SUBKEY_R(3), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(2),CAMELLIA_SUBKEY_R(2), |
| io[0],io[1],il,ir,t0,t1); |
| |
| /* post whitening but kw4 */ |
| io[2] ^= CAMELLIA_SUBKEY_L(0); |
| io[3] ^= CAMELLIA_SUBKEY_R(0); |
| |
| io_text[0] = cpu_to_be32(io[2]); |
| io_text[1] = cpu_to_be32(io[3]); |
| io_text[2] = cpu_to_be32(io[0]); |
| io_text[3] = cpu_to_be32(io[1]); |
| } |
| |
| static void camellia_encrypt256(const u32 *subkey, __be32 *io_text) |
| { |
| u32 il,ir,t0,t1; /* temporary valiables */ |
| |
| u32 io[4]; |
| |
| io[0] = be32_to_cpu(io_text[0]); |
| io[1] = be32_to_cpu(io_text[1]); |
| io[2] = be32_to_cpu(io_text[2]); |
| io[3] = be32_to_cpu(io_text[3]); |
| |
| /* pre whitening but absorb kw2 */ |
| io[0] ^= CAMELLIA_SUBKEY_L(0); |
| io[1] ^= CAMELLIA_SUBKEY_R(0); |
| |
| /* main iteration */ |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(2),CAMELLIA_SUBKEY_R(2), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(3),CAMELLIA_SUBKEY_R(3), |
| io[0],io[1],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(4),CAMELLIA_SUBKEY_R(4), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(5),CAMELLIA_SUBKEY_R(5), |
| io[0],io[1],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(6),CAMELLIA_SUBKEY_R(6), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(7),CAMELLIA_SUBKEY_R(7), |
| io[0],io[1],il,ir,t0,t1); |
| |
| CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
| CAMELLIA_SUBKEY_L(8),CAMELLIA_SUBKEY_R(8), |
| CAMELLIA_SUBKEY_L(9),CAMELLIA_SUBKEY_R(9), |
| t0,t1,il,ir); |
| |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(10),CAMELLIA_SUBKEY_R(10), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(11),CAMELLIA_SUBKEY_R(11), |
| io[0],io[1],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(12),CAMELLIA_SUBKEY_R(12), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(13),CAMELLIA_SUBKEY_R(13), |
| io[0],io[1],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(14),CAMELLIA_SUBKEY_R(14), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(15),CAMELLIA_SUBKEY_R(15), |
| io[0],io[1],il,ir,t0,t1); |
| |
| CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
| CAMELLIA_SUBKEY_L(16),CAMELLIA_SUBKEY_R(16), |
| CAMELLIA_SUBKEY_L(17),CAMELLIA_SUBKEY_R(17), |
| t0,t1,il,ir); |
| |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(18),CAMELLIA_SUBKEY_R(18), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(19),CAMELLIA_SUBKEY_R(19), |
| io[0],io[1],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(20),CAMELLIA_SUBKEY_R(20), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(21),CAMELLIA_SUBKEY_R(21), |
| io[0],io[1],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(22),CAMELLIA_SUBKEY_R(22), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(23),CAMELLIA_SUBKEY_R(23), |
| io[0],io[1],il,ir,t0,t1); |
| |
| CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
| CAMELLIA_SUBKEY_L(24),CAMELLIA_SUBKEY_R(24), |
| CAMELLIA_SUBKEY_L(25),CAMELLIA_SUBKEY_R(25), |
| t0,t1,il,ir); |
| |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(26),CAMELLIA_SUBKEY_R(26), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(27),CAMELLIA_SUBKEY_R(27), |
| io[0],io[1],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(28),CAMELLIA_SUBKEY_R(28), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(29),CAMELLIA_SUBKEY_R(29), |
| io[0],io[1],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(30),CAMELLIA_SUBKEY_R(30), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(31),CAMELLIA_SUBKEY_R(31), |
| io[0],io[1],il,ir,t0,t1); |
| |
| /* post whitening but kw4 */ |
| io[2] ^= CAMELLIA_SUBKEY_L(32); |
| io[3] ^= CAMELLIA_SUBKEY_R(32); |
| |
| io_text[0] = cpu_to_be32(io[2]); |
| io_text[1] = cpu_to_be32(io[3]); |
| io_text[2] = cpu_to_be32(io[0]); |
| io_text[3] = cpu_to_be32(io[1]); |
| } |
| |
| static void camellia_decrypt256(const u32 *subkey, __be32 *io_text) |
| { |
| u32 il,ir,t0,t1; /* temporary valiables */ |
| |
| u32 io[4]; |
| |
| io[0] = be32_to_cpu(io_text[0]); |
| io[1] = be32_to_cpu(io_text[1]); |
| io[2] = be32_to_cpu(io_text[2]); |
| io[3] = be32_to_cpu(io_text[3]); |
| |
| /* pre whitening but absorb kw2 */ |
| io[0] ^= CAMELLIA_SUBKEY_L(32); |
| io[1] ^= CAMELLIA_SUBKEY_R(32); |
| |
| /* main iteration */ |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(31),CAMELLIA_SUBKEY_R(31), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(30),CAMELLIA_SUBKEY_R(30), |
| io[0],io[1],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(29),CAMELLIA_SUBKEY_R(29), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(28),CAMELLIA_SUBKEY_R(28), |
| io[0],io[1],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(27),CAMELLIA_SUBKEY_R(27), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(26),CAMELLIA_SUBKEY_R(26), |
| io[0],io[1],il,ir,t0,t1); |
| |
| CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
| CAMELLIA_SUBKEY_L(25),CAMELLIA_SUBKEY_R(25), |
| CAMELLIA_SUBKEY_L(24),CAMELLIA_SUBKEY_R(24), |
| t0,t1,il,ir); |
| |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(23),CAMELLIA_SUBKEY_R(23), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(22),CAMELLIA_SUBKEY_R(22), |
| io[0],io[1],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(21),CAMELLIA_SUBKEY_R(21), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(20),CAMELLIA_SUBKEY_R(20), |
| io[0],io[1],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(19),CAMELLIA_SUBKEY_R(19), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(18),CAMELLIA_SUBKEY_R(18), |
| io[0],io[1],il,ir,t0,t1); |
| |
| CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
| CAMELLIA_SUBKEY_L(17),CAMELLIA_SUBKEY_R(17), |
| CAMELLIA_SUBKEY_L(16),CAMELLIA_SUBKEY_R(16), |
| t0,t1,il,ir); |
| |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(15),CAMELLIA_SUBKEY_R(15), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(14),CAMELLIA_SUBKEY_R(14), |
| io[0],io[1],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(13),CAMELLIA_SUBKEY_R(13), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(12),CAMELLIA_SUBKEY_R(12), |
| io[0],io[1],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(11),CAMELLIA_SUBKEY_R(11), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(10),CAMELLIA_SUBKEY_R(10), |
| io[0],io[1],il,ir,t0,t1); |
| |
| CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
| CAMELLIA_SUBKEY_L(9),CAMELLIA_SUBKEY_R(9), |
| CAMELLIA_SUBKEY_L(8),CAMELLIA_SUBKEY_R(8), |
| t0,t1,il,ir); |
| |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(7),CAMELLIA_SUBKEY_R(7), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(6),CAMELLIA_SUBKEY_R(6), |
| io[0],io[1],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(5),CAMELLIA_SUBKEY_R(5), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(4),CAMELLIA_SUBKEY_R(4), |
| io[0],io[1],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[0],io[1], |
| CAMELLIA_SUBKEY_L(3),CAMELLIA_SUBKEY_R(3), |
| io[2],io[3],il,ir,t0,t1); |
| CAMELLIA_ROUNDSM(io[2],io[3], |
| CAMELLIA_SUBKEY_L(2),CAMELLIA_SUBKEY_R(2), |
| io[0],io[1],il,ir,t0,t1); |
| |
| /* post whitening but kw4 */ |
| io[2] ^= CAMELLIA_SUBKEY_L(0); |
| io[3] ^= CAMELLIA_SUBKEY_R(0); |
| |
| io_text[0] = cpu_to_be32(io[2]); |
| io_text[1] = cpu_to_be32(io[3]); |
| io_text[2] = cpu_to_be32(io[0]); |
| io_text[3] = cpu_to_be32(io[1]); |
| } |
| |
| |
| struct camellia_ctx { |
| int key_length; |
| u32 key_table[CAMELLIA_TABLE_BYTE_LEN / 4]; |
| }; |
| |
| 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; |
| |
| switch (key_len) { |
| 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; |
| } |
| |
| return 0; |
| } |
| |
| 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; |
| |
| __be32 tmp[4]; |
| |
| memcpy(tmp, src, CAMELLIA_BLOCK_SIZE); |
| |
| switch (cctx->key_length) { |
| case 16: |
| camellia_encrypt128(cctx->key_table, tmp); |
| break; |
| case 24: |
| /* fall through */ |
| case 32: |
| camellia_encrypt256(cctx->key_table, tmp); |
| break; |
| } |
| |
| memcpy(dst, tmp, CAMELLIA_BLOCK_SIZE); |
| } |
| |
| 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; |
| |
| __be32 tmp[4]; |
| |
| memcpy(tmp, src, CAMELLIA_BLOCK_SIZE); |
| |
| switch (cctx->key_length) { |
| case 16: |
| camellia_decrypt128(cctx->key_table, tmp); |
| break; |
| case 24: |
| /* fall through */ |
| case 32: |
| camellia_decrypt256(cctx->key_table, tmp); |
| break; |
| } |
| |
| memcpy(dst, tmp, CAMELLIA_BLOCK_SIZE); |
| } |
| |
| 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, |
| .cra_list = LIST_HEAD_INIT(camellia_alg.cra_list), |
| .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); |
| } |
| |
| static void __exit camellia_fini(void) |
| { |
| crypto_unregister_alg(&camellia_alg); |
| } |
| |
| module_init(camellia_init); |
| module_exit(camellia_fini); |
| |
| MODULE_DESCRIPTION("Camellia Cipher Algorithm"); |
| MODULE_LICENSE("GPL"); |
