Thomas Gleixner | 1ccea77 | 2019-05-19 15:51:43 +0200 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 2 | /* |
| 3 | * Copyright (C) 2006 |
| 4 | * NTT (Nippon Telegraph and Telephone Corporation). |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 5 | */ |
| 6 | |
| 7 | /* |
| 8 | * Algorithm Specification |
Alexander A. Klimov | 9332a9e | 2020-07-19 18:49:59 +0200 | [diff] [blame] | 9 | * https://info.isl.ntt.co.jp/crypt/eng/camellia/specifications.html |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 10 | */ |
| 11 | |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 12 | #include <linux/crypto.h> |
| 13 | #include <linux/errno.h> |
| 14 | #include <linux/init.h> |
| 15 | #include <linux/kernel.h> |
| 16 | #include <linux/module.h> |
Harvey Harrison | 32bd78e | 2008-10-12 20:40:12 +0800 | [diff] [blame] | 17 | #include <linux/bitops.h> |
| 18 | #include <asm/unaligned.h> |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 19 | |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 20 | static const u32 camellia_sp1110[256] = { |
Richard Hartmann | 621dd36 | 2010-02-16 20:27:57 +0800 | [diff] [blame] | 21 | 0x70707000, 0x82828200, 0x2c2c2c00, 0xececec00, |
| 22 | 0xb3b3b300, 0x27272700, 0xc0c0c000, 0xe5e5e500, |
| 23 | 0xe4e4e400, 0x85858500, 0x57575700, 0x35353500, |
| 24 | 0xeaeaea00, 0x0c0c0c00, 0xaeaeae00, 0x41414100, |
| 25 | 0x23232300, 0xefefef00, 0x6b6b6b00, 0x93939300, |
| 26 | 0x45454500, 0x19191900, 0xa5a5a500, 0x21212100, |
| 27 | 0xededed00, 0x0e0e0e00, 0x4f4f4f00, 0x4e4e4e00, |
| 28 | 0x1d1d1d00, 0x65656500, 0x92929200, 0xbdbdbd00, |
| 29 | 0x86868600, 0xb8b8b800, 0xafafaf00, 0x8f8f8f00, |
| 30 | 0x7c7c7c00, 0xebebeb00, 0x1f1f1f00, 0xcecece00, |
| 31 | 0x3e3e3e00, 0x30303000, 0xdcdcdc00, 0x5f5f5f00, |
| 32 | 0x5e5e5e00, 0xc5c5c500, 0x0b0b0b00, 0x1a1a1a00, |
| 33 | 0xa6a6a600, 0xe1e1e100, 0x39393900, 0xcacaca00, |
| 34 | 0xd5d5d500, 0x47474700, 0x5d5d5d00, 0x3d3d3d00, |
| 35 | 0xd9d9d900, 0x01010100, 0x5a5a5a00, 0xd6d6d600, |
| 36 | 0x51515100, 0x56565600, 0x6c6c6c00, 0x4d4d4d00, |
| 37 | 0x8b8b8b00, 0x0d0d0d00, 0x9a9a9a00, 0x66666600, |
| 38 | 0xfbfbfb00, 0xcccccc00, 0xb0b0b000, 0x2d2d2d00, |
| 39 | 0x74747400, 0x12121200, 0x2b2b2b00, 0x20202000, |
| 40 | 0xf0f0f000, 0xb1b1b100, 0x84848400, 0x99999900, |
| 41 | 0xdfdfdf00, 0x4c4c4c00, 0xcbcbcb00, 0xc2c2c200, |
| 42 | 0x34343400, 0x7e7e7e00, 0x76767600, 0x05050500, |
| 43 | 0x6d6d6d00, 0xb7b7b700, 0xa9a9a900, 0x31313100, |
| 44 | 0xd1d1d100, 0x17171700, 0x04040400, 0xd7d7d700, |
| 45 | 0x14141400, 0x58585800, 0x3a3a3a00, 0x61616100, |
| 46 | 0xdedede00, 0x1b1b1b00, 0x11111100, 0x1c1c1c00, |
| 47 | 0x32323200, 0x0f0f0f00, 0x9c9c9c00, 0x16161600, |
| 48 | 0x53535300, 0x18181800, 0xf2f2f200, 0x22222200, |
| 49 | 0xfefefe00, 0x44444400, 0xcfcfcf00, 0xb2b2b200, |
| 50 | 0xc3c3c300, 0xb5b5b500, 0x7a7a7a00, 0x91919100, |
| 51 | 0x24242400, 0x08080800, 0xe8e8e800, 0xa8a8a800, |
| 52 | 0x60606000, 0xfcfcfc00, 0x69696900, 0x50505000, |
| 53 | 0xaaaaaa00, 0xd0d0d000, 0xa0a0a000, 0x7d7d7d00, |
| 54 | 0xa1a1a100, 0x89898900, 0x62626200, 0x97979700, |
| 55 | 0x54545400, 0x5b5b5b00, 0x1e1e1e00, 0x95959500, |
| 56 | 0xe0e0e000, 0xffffff00, 0x64646400, 0xd2d2d200, |
| 57 | 0x10101000, 0xc4c4c400, 0x00000000, 0x48484800, |
| 58 | 0xa3a3a300, 0xf7f7f700, 0x75757500, 0xdbdbdb00, |
| 59 | 0x8a8a8a00, 0x03030300, 0xe6e6e600, 0xdadada00, |
| 60 | 0x09090900, 0x3f3f3f00, 0xdddddd00, 0x94949400, |
| 61 | 0x87878700, 0x5c5c5c00, 0x83838300, 0x02020200, |
| 62 | 0xcdcdcd00, 0x4a4a4a00, 0x90909000, 0x33333300, |
| 63 | 0x73737300, 0x67676700, 0xf6f6f600, 0xf3f3f300, |
| 64 | 0x9d9d9d00, 0x7f7f7f00, 0xbfbfbf00, 0xe2e2e200, |
| 65 | 0x52525200, 0x9b9b9b00, 0xd8d8d800, 0x26262600, |
| 66 | 0xc8c8c800, 0x37373700, 0xc6c6c600, 0x3b3b3b00, |
| 67 | 0x81818100, 0x96969600, 0x6f6f6f00, 0x4b4b4b00, |
| 68 | 0x13131300, 0xbebebe00, 0x63636300, 0x2e2e2e00, |
| 69 | 0xe9e9e900, 0x79797900, 0xa7a7a700, 0x8c8c8c00, |
| 70 | 0x9f9f9f00, 0x6e6e6e00, 0xbcbcbc00, 0x8e8e8e00, |
| 71 | 0x29292900, 0xf5f5f500, 0xf9f9f900, 0xb6b6b600, |
| 72 | 0x2f2f2f00, 0xfdfdfd00, 0xb4b4b400, 0x59595900, |
| 73 | 0x78787800, 0x98989800, 0x06060600, 0x6a6a6a00, |
| 74 | 0xe7e7e700, 0x46464600, 0x71717100, 0xbababa00, |
| 75 | 0xd4d4d400, 0x25252500, 0xababab00, 0x42424200, |
| 76 | 0x88888800, 0xa2a2a200, 0x8d8d8d00, 0xfafafa00, |
| 77 | 0x72727200, 0x07070700, 0xb9b9b900, 0x55555500, |
| 78 | 0xf8f8f800, 0xeeeeee00, 0xacacac00, 0x0a0a0a00, |
| 79 | 0x36363600, 0x49494900, 0x2a2a2a00, 0x68686800, |
| 80 | 0x3c3c3c00, 0x38383800, 0xf1f1f100, 0xa4a4a400, |
| 81 | 0x40404000, 0x28282800, 0xd3d3d300, 0x7b7b7b00, |
| 82 | 0xbbbbbb00, 0xc9c9c900, 0x43434300, 0xc1c1c100, |
| 83 | 0x15151500, 0xe3e3e300, 0xadadad00, 0xf4f4f400, |
| 84 | 0x77777700, 0xc7c7c700, 0x80808000, 0x9e9e9e00, |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 85 | }; |
| 86 | |
| 87 | static const u32 camellia_sp0222[256] = { |
Richard Hartmann | 621dd36 | 2010-02-16 20:27:57 +0800 | [diff] [blame] | 88 | 0x00e0e0e0, 0x00050505, 0x00585858, 0x00d9d9d9, |
| 89 | 0x00676767, 0x004e4e4e, 0x00818181, 0x00cbcbcb, |
| 90 | 0x00c9c9c9, 0x000b0b0b, 0x00aeaeae, 0x006a6a6a, |
| 91 | 0x00d5d5d5, 0x00181818, 0x005d5d5d, 0x00828282, |
| 92 | 0x00464646, 0x00dfdfdf, 0x00d6d6d6, 0x00272727, |
| 93 | 0x008a8a8a, 0x00323232, 0x004b4b4b, 0x00424242, |
| 94 | 0x00dbdbdb, 0x001c1c1c, 0x009e9e9e, 0x009c9c9c, |
| 95 | 0x003a3a3a, 0x00cacaca, 0x00252525, 0x007b7b7b, |
| 96 | 0x000d0d0d, 0x00717171, 0x005f5f5f, 0x001f1f1f, |
| 97 | 0x00f8f8f8, 0x00d7d7d7, 0x003e3e3e, 0x009d9d9d, |
| 98 | 0x007c7c7c, 0x00606060, 0x00b9b9b9, 0x00bebebe, |
| 99 | 0x00bcbcbc, 0x008b8b8b, 0x00161616, 0x00343434, |
| 100 | 0x004d4d4d, 0x00c3c3c3, 0x00727272, 0x00959595, |
| 101 | 0x00ababab, 0x008e8e8e, 0x00bababa, 0x007a7a7a, |
| 102 | 0x00b3b3b3, 0x00020202, 0x00b4b4b4, 0x00adadad, |
| 103 | 0x00a2a2a2, 0x00acacac, 0x00d8d8d8, 0x009a9a9a, |
| 104 | 0x00171717, 0x001a1a1a, 0x00353535, 0x00cccccc, |
| 105 | 0x00f7f7f7, 0x00999999, 0x00616161, 0x005a5a5a, |
| 106 | 0x00e8e8e8, 0x00242424, 0x00565656, 0x00404040, |
| 107 | 0x00e1e1e1, 0x00636363, 0x00090909, 0x00333333, |
| 108 | 0x00bfbfbf, 0x00989898, 0x00979797, 0x00858585, |
| 109 | 0x00686868, 0x00fcfcfc, 0x00ececec, 0x000a0a0a, |
| 110 | 0x00dadada, 0x006f6f6f, 0x00535353, 0x00626262, |
| 111 | 0x00a3a3a3, 0x002e2e2e, 0x00080808, 0x00afafaf, |
| 112 | 0x00282828, 0x00b0b0b0, 0x00747474, 0x00c2c2c2, |
| 113 | 0x00bdbdbd, 0x00363636, 0x00222222, 0x00383838, |
| 114 | 0x00646464, 0x001e1e1e, 0x00393939, 0x002c2c2c, |
| 115 | 0x00a6a6a6, 0x00303030, 0x00e5e5e5, 0x00444444, |
| 116 | 0x00fdfdfd, 0x00888888, 0x009f9f9f, 0x00656565, |
| 117 | 0x00878787, 0x006b6b6b, 0x00f4f4f4, 0x00232323, |
| 118 | 0x00484848, 0x00101010, 0x00d1d1d1, 0x00515151, |
| 119 | 0x00c0c0c0, 0x00f9f9f9, 0x00d2d2d2, 0x00a0a0a0, |
| 120 | 0x00555555, 0x00a1a1a1, 0x00414141, 0x00fafafa, |
| 121 | 0x00434343, 0x00131313, 0x00c4c4c4, 0x002f2f2f, |
| 122 | 0x00a8a8a8, 0x00b6b6b6, 0x003c3c3c, 0x002b2b2b, |
| 123 | 0x00c1c1c1, 0x00ffffff, 0x00c8c8c8, 0x00a5a5a5, |
| 124 | 0x00202020, 0x00898989, 0x00000000, 0x00909090, |
| 125 | 0x00474747, 0x00efefef, 0x00eaeaea, 0x00b7b7b7, |
| 126 | 0x00151515, 0x00060606, 0x00cdcdcd, 0x00b5b5b5, |
| 127 | 0x00121212, 0x007e7e7e, 0x00bbbbbb, 0x00292929, |
| 128 | 0x000f0f0f, 0x00b8b8b8, 0x00070707, 0x00040404, |
| 129 | 0x009b9b9b, 0x00949494, 0x00212121, 0x00666666, |
| 130 | 0x00e6e6e6, 0x00cecece, 0x00ededed, 0x00e7e7e7, |
| 131 | 0x003b3b3b, 0x00fefefe, 0x007f7f7f, 0x00c5c5c5, |
| 132 | 0x00a4a4a4, 0x00373737, 0x00b1b1b1, 0x004c4c4c, |
| 133 | 0x00919191, 0x006e6e6e, 0x008d8d8d, 0x00767676, |
| 134 | 0x00030303, 0x002d2d2d, 0x00dedede, 0x00969696, |
| 135 | 0x00262626, 0x007d7d7d, 0x00c6c6c6, 0x005c5c5c, |
| 136 | 0x00d3d3d3, 0x00f2f2f2, 0x004f4f4f, 0x00191919, |
| 137 | 0x003f3f3f, 0x00dcdcdc, 0x00797979, 0x001d1d1d, |
| 138 | 0x00525252, 0x00ebebeb, 0x00f3f3f3, 0x006d6d6d, |
| 139 | 0x005e5e5e, 0x00fbfbfb, 0x00696969, 0x00b2b2b2, |
| 140 | 0x00f0f0f0, 0x00313131, 0x000c0c0c, 0x00d4d4d4, |
| 141 | 0x00cfcfcf, 0x008c8c8c, 0x00e2e2e2, 0x00757575, |
| 142 | 0x00a9a9a9, 0x004a4a4a, 0x00575757, 0x00848484, |
| 143 | 0x00111111, 0x00454545, 0x001b1b1b, 0x00f5f5f5, |
| 144 | 0x00e4e4e4, 0x000e0e0e, 0x00737373, 0x00aaaaaa, |
| 145 | 0x00f1f1f1, 0x00dddddd, 0x00595959, 0x00141414, |
| 146 | 0x006c6c6c, 0x00929292, 0x00545454, 0x00d0d0d0, |
| 147 | 0x00787878, 0x00707070, 0x00e3e3e3, 0x00494949, |
| 148 | 0x00808080, 0x00505050, 0x00a7a7a7, 0x00f6f6f6, |
| 149 | 0x00777777, 0x00939393, 0x00868686, 0x00838383, |
| 150 | 0x002a2a2a, 0x00c7c7c7, 0x005b5b5b, 0x00e9e9e9, |
| 151 | 0x00eeeeee, 0x008f8f8f, 0x00010101, 0x003d3d3d, |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 152 | }; |
| 153 | |
| 154 | static const u32 camellia_sp3033[256] = { |
Richard Hartmann | 621dd36 | 2010-02-16 20:27:57 +0800 | [diff] [blame] | 155 | 0x38003838, 0x41004141, 0x16001616, 0x76007676, |
| 156 | 0xd900d9d9, 0x93009393, 0x60006060, 0xf200f2f2, |
| 157 | 0x72007272, 0xc200c2c2, 0xab00abab, 0x9a009a9a, |
| 158 | 0x75007575, 0x06000606, 0x57005757, 0xa000a0a0, |
| 159 | 0x91009191, 0xf700f7f7, 0xb500b5b5, 0xc900c9c9, |
| 160 | 0xa200a2a2, 0x8c008c8c, 0xd200d2d2, 0x90009090, |
| 161 | 0xf600f6f6, 0x07000707, 0xa700a7a7, 0x27002727, |
| 162 | 0x8e008e8e, 0xb200b2b2, 0x49004949, 0xde00dede, |
| 163 | 0x43004343, 0x5c005c5c, 0xd700d7d7, 0xc700c7c7, |
| 164 | 0x3e003e3e, 0xf500f5f5, 0x8f008f8f, 0x67006767, |
| 165 | 0x1f001f1f, 0x18001818, 0x6e006e6e, 0xaf00afaf, |
| 166 | 0x2f002f2f, 0xe200e2e2, 0x85008585, 0x0d000d0d, |
| 167 | 0x53005353, 0xf000f0f0, 0x9c009c9c, 0x65006565, |
| 168 | 0xea00eaea, 0xa300a3a3, 0xae00aeae, 0x9e009e9e, |
| 169 | 0xec00ecec, 0x80008080, 0x2d002d2d, 0x6b006b6b, |
| 170 | 0xa800a8a8, 0x2b002b2b, 0x36003636, 0xa600a6a6, |
| 171 | 0xc500c5c5, 0x86008686, 0x4d004d4d, 0x33003333, |
| 172 | 0xfd00fdfd, 0x66006666, 0x58005858, 0x96009696, |
| 173 | 0x3a003a3a, 0x09000909, 0x95009595, 0x10001010, |
| 174 | 0x78007878, 0xd800d8d8, 0x42004242, 0xcc00cccc, |
| 175 | 0xef00efef, 0x26002626, 0xe500e5e5, 0x61006161, |
| 176 | 0x1a001a1a, 0x3f003f3f, 0x3b003b3b, 0x82008282, |
| 177 | 0xb600b6b6, 0xdb00dbdb, 0xd400d4d4, 0x98009898, |
| 178 | 0xe800e8e8, 0x8b008b8b, 0x02000202, 0xeb00ebeb, |
| 179 | 0x0a000a0a, 0x2c002c2c, 0x1d001d1d, 0xb000b0b0, |
| 180 | 0x6f006f6f, 0x8d008d8d, 0x88008888, 0x0e000e0e, |
| 181 | 0x19001919, 0x87008787, 0x4e004e4e, 0x0b000b0b, |
| 182 | 0xa900a9a9, 0x0c000c0c, 0x79007979, 0x11001111, |
| 183 | 0x7f007f7f, 0x22002222, 0xe700e7e7, 0x59005959, |
| 184 | 0xe100e1e1, 0xda00dada, 0x3d003d3d, 0xc800c8c8, |
| 185 | 0x12001212, 0x04000404, 0x74007474, 0x54005454, |
| 186 | 0x30003030, 0x7e007e7e, 0xb400b4b4, 0x28002828, |
| 187 | 0x55005555, 0x68006868, 0x50005050, 0xbe00bebe, |
| 188 | 0xd000d0d0, 0xc400c4c4, 0x31003131, 0xcb00cbcb, |
| 189 | 0x2a002a2a, 0xad00adad, 0x0f000f0f, 0xca00caca, |
| 190 | 0x70007070, 0xff00ffff, 0x32003232, 0x69006969, |
| 191 | 0x08000808, 0x62006262, 0x00000000, 0x24002424, |
| 192 | 0xd100d1d1, 0xfb00fbfb, 0xba00baba, 0xed00eded, |
| 193 | 0x45004545, 0x81008181, 0x73007373, 0x6d006d6d, |
| 194 | 0x84008484, 0x9f009f9f, 0xee00eeee, 0x4a004a4a, |
| 195 | 0xc300c3c3, 0x2e002e2e, 0xc100c1c1, 0x01000101, |
| 196 | 0xe600e6e6, 0x25002525, 0x48004848, 0x99009999, |
| 197 | 0xb900b9b9, 0xb300b3b3, 0x7b007b7b, 0xf900f9f9, |
| 198 | 0xce00cece, 0xbf00bfbf, 0xdf00dfdf, 0x71007171, |
| 199 | 0x29002929, 0xcd00cdcd, 0x6c006c6c, 0x13001313, |
| 200 | 0x64006464, 0x9b009b9b, 0x63006363, 0x9d009d9d, |
| 201 | 0xc000c0c0, 0x4b004b4b, 0xb700b7b7, 0xa500a5a5, |
| 202 | 0x89008989, 0x5f005f5f, 0xb100b1b1, 0x17001717, |
| 203 | 0xf400f4f4, 0xbc00bcbc, 0xd300d3d3, 0x46004646, |
| 204 | 0xcf00cfcf, 0x37003737, 0x5e005e5e, 0x47004747, |
| 205 | 0x94009494, 0xfa00fafa, 0xfc00fcfc, 0x5b005b5b, |
| 206 | 0x97009797, 0xfe00fefe, 0x5a005a5a, 0xac00acac, |
| 207 | 0x3c003c3c, 0x4c004c4c, 0x03000303, 0x35003535, |
| 208 | 0xf300f3f3, 0x23002323, 0xb800b8b8, 0x5d005d5d, |
| 209 | 0x6a006a6a, 0x92009292, 0xd500d5d5, 0x21002121, |
| 210 | 0x44004444, 0x51005151, 0xc600c6c6, 0x7d007d7d, |
| 211 | 0x39003939, 0x83008383, 0xdc00dcdc, 0xaa00aaaa, |
| 212 | 0x7c007c7c, 0x77007777, 0x56005656, 0x05000505, |
| 213 | 0x1b001b1b, 0xa400a4a4, 0x15001515, 0x34003434, |
| 214 | 0x1e001e1e, 0x1c001c1c, 0xf800f8f8, 0x52005252, |
| 215 | 0x20002020, 0x14001414, 0xe900e9e9, 0xbd00bdbd, |
| 216 | 0xdd00dddd, 0xe400e4e4, 0xa100a1a1, 0xe000e0e0, |
| 217 | 0x8a008a8a, 0xf100f1f1, 0xd600d6d6, 0x7a007a7a, |
| 218 | 0xbb00bbbb, 0xe300e3e3, 0x40004040, 0x4f004f4f, |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 219 | }; |
| 220 | |
| 221 | static const u32 camellia_sp4404[256] = { |
Richard Hartmann | 621dd36 | 2010-02-16 20:27:57 +0800 | [diff] [blame] | 222 | 0x70700070, 0x2c2c002c, 0xb3b300b3, 0xc0c000c0, |
| 223 | 0xe4e400e4, 0x57570057, 0xeaea00ea, 0xaeae00ae, |
| 224 | 0x23230023, 0x6b6b006b, 0x45450045, 0xa5a500a5, |
| 225 | 0xeded00ed, 0x4f4f004f, 0x1d1d001d, 0x92920092, |
| 226 | 0x86860086, 0xafaf00af, 0x7c7c007c, 0x1f1f001f, |
| 227 | 0x3e3e003e, 0xdcdc00dc, 0x5e5e005e, 0x0b0b000b, |
| 228 | 0xa6a600a6, 0x39390039, 0xd5d500d5, 0x5d5d005d, |
| 229 | 0xd9d900d9, 0x5a5a005a, 0x51510051, 0x6c6c006c, |
| 230 | 0x8b8b008b, 0x9a9a009a, 0xfbfb00fb, 0xb0b000b0, |
| 231 | 0x74740074, 0x2b2b002b, 0xf0f000f0, 0x84840084, |
| 232 | 0xdfdf00df, 0xcbcb00cb, 0x34340034, 0x76760076, |
| 233 | 0x6d6d006d, 0xa9a900a9, 0xd1d100d1, 0x04040004, |
| 234 | 0x14140014, 0x3a3a003a, 0xdede00de, 0x11110011, |
| 235 | 0x32320032, 0x9c9c009c, 0x53530053, 0xf2f200f2, |
| 236 | 0xfefe00fe, 0xcfcf00cf, 0xc3c300c3, 0x7a7a007a, |
| 237 | 0x24240024, 0xe8e800e8, 0x60600060, 0x69690069, |
| 238 | 0xaaaa00aa, 0xa0a000a0, 0xa1a100a1, 0x62620062, |
| 239 | 0x54540054, 0x1e1e001e, 0xe0e000e0, 0x64640064, |
| 240 | 0x10100010, 0x00000000, 0xa3a300a3, 0x75750075, |
| 241 | 0x8a8a008a, 0xe6e600e6, 0x09090009, 0xdddd00dd, |
| 242 | 0x87870087, 0x83830083, 0xcdcd00cd, 0x90900090, |
| 243 | 0x73730073, 0xf6f600f6, 0x9d9d009d, 0xbfbf00bf, |
| 244 | 0x52520052, 0xd8d800d8, 0xc8c800c8, 0xc6c600c6, |
| 245 | 0x81810081, 0x6f6f006f, 0x13130013, 0x63630063, |
| 246 | 0xe9e900e9, 0xa7a700a7, 0x9f9f009f, 0xbcbc00bc, |
| 247 | 0x29290029, 0xf9f900f9, 0x2f2f002f, 0xb4b400b4, |
| 248 | 0x78780078, 0x06060006, 0xe7e700e7, 0x71710071, |
| 249 | 0xd4d400d4, 0xabab00ab, 0x88880088, 0x8d8d008d, |
| 250 | 0x72720072, 0xb9b900b9, 0xf8f800f8, 0xacac00ac, |
| 251 | 0x36360036, 0x2a2a002a, 0x3c3c003c, 0xf1f100f1, |
| 252 | 0x40400040, 0xd3d300d3, 0xbbbb00bb, 0x43430043, |
| 253 | 0x15150015, 0xadad00ad, 0x77770077, 0x80800080, |
| 254 | 0x82820082, 0xecec00ec, 0x27270027, 0xe5e500e5, |
| 255 | 0x85850085, 0x35350035, 0x0c0c000c, 0x41410041, |
| 256 | 0xefef00ef, 0x93930093, 0x19190019, 0x21210021, |
| 257 | 0x0e0e000e, 0x4e4e004e, 0x65650065, 0xbdbd00bd, |
| 258 | 0xb8b800b8, 0x8f8f008f, 0xebeb00eb, 0xcece00ce, |
| 259 | 0x30300030, 0x5f5f005f, 0xc5c500c5, 0x1a1a001a, |
| 260 | 0xe1e100e1, 0xcaca00ca, 0x47470047, 0x3d3d003d, |
| 261 | 0x01010001, 0xd6d600d6, 0x56560056, 0x4d4d004d, |
| 262 | 0x0d0d000d, 0x66660066, 0xcccc00cc, 0x2d2d002d, |
| 263 | 0x12120012, 0x20200020, 0xb1b100b1, 0x99990099, |
| 264 | 0x4c4c004c, 0xc2c200c2, 0x7e7e007e, 0x05050005, |
| 265 | 0xb7b700b7, 0x31310031, 0x17170017, 0xd7d700d7, |
| 266 | 0x58580058, 0x61610061, 0x1b1b001b, 0x1c1c001c, |
| 267 | 0x0f0f000f, 0x16160016, 0x18180018, 0x22220022, |
| 268 | 0x44440044, 0xb2b200b2, 0xb5b500b5, 0x91910091, |
| 269 | 0x08080008, 0xa8a800a8, 0xfcfc00fc, 0x50500050, |
| 270 | 0xd0d000d0, 0x7d7d007d, 0x89890089, 0x97970097, |
| 271 | 0x5b5b005b, 0x95950095, 0xffff00ff, 0xd2d200d2, |
| 272 | 0xc4c400c4, 0x48480048, 0xf7f700f7, 0xdbdb00db, |
| 273 | 0x03030003, 0xdada00da, 0x3f3f003f, 0x94940094, |
| 274 | 0x5c5c005c, 0x02020002, 0x4a4a004a, 0x33330033, |
| 275 | 0x67670067, 0xf3f300f3, 0x7f7f007f, 0xe2e200e2, |
| 276 | 0x9b9b009b, 0x26260026, 0x37370037, 0x3b3b003b, |
| 277 | 0x96960096, 0x4b4b004b, 0xbebe00be, 0x2e2e002e, |
| 278 | 0x79790079, 0x8c8c008c, 0x6e6e006e, 0x8e8e008e, |
| 279 | 0xf5f500f5, 0xb6b600b6, 0xfdfd00fd, 0x59590059, |
| 280 | 0x98980098, 0x6a6a006a, 0x46460046, 0xbaba00ba, |
| 281 | 0x25250025, 0x42420042, 0xa2a200a2, 0xfafa00fa, |
| 282 | 0x07070007, 0x55550055, 0xeeee00ee, 0x0a0a000a, |
| 283 | 0x49490049, 0x68680068, 0x38380038, 0xa4a400a4, |
| 284 | 0x28280028, 0x7b7b007b, 0xc9c900c9, 0xc1c100c1, |
| 285 | 0xe3e300e3, 0xf4f400f4, 0xc7c700c7, 0x9e9e009e, |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 286 | }; |
| 287 | |
| 288 | |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 289 | #define CAMELLIA_MIN_KEY_SIZE 16 |
| 290 | #define CAMELLIA_MAX_KEY_SIZE 32 |
| 291 | #define CAMELLIA_BLOCK_SIZE 16 |
| 292 | #define CAMELLIA_TABLE_BYTE_LEN 272 |
| 293 | |
Denys Vlasenko | 2ddae4a | 2007-11-23 21:05:55 +0800 | [diff] [blame] | 294 | /* |
| 295 | * NB: L and R below stand for 'left' and 'right' as in written numbers. |
| 296 | * That is, in (xxxL,xxxR) pair xxxL holds most significant digits, |
| 297 | * _not_ least significant ones! |
| 298 | */ |
| 299 | |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 300 | |
| 301 | /* key constants */ |
| 302 | |
| 303 | #define CAMELLIA_SIGMA1L (0xA09E667FL) |
| 304 | #define CAMELLIA_SIGMA1R (0x3BCC908BL) |
| 305 | #define CAMELLIA_SIGMA2L (0xB67AE858L) |
| 306 | #define CAMELLIA_SIGMA2R (0x4CAA73B2L) |
| 307 | #define CAMELLIA_SIGMA3L (0xC6EF372FL) |
| 308 | #define CAMELLIA_SIGMA3R (0xE94F82BEL) |
| 309 | #define CAMELLIA_SIGMA4L (0x54FF53A5L) |
| 310 | #define CAMELLIA_SIGMA4R (0xF1D36F1CL) |
| 311 | #define CAMELLIA_SIGMA5L (0x10E527FAL) |
| 312 | #define CAMELLIA_SIGMA5R (0xDE682D1DL) |
| 313 | #define CAMELLIA_SIGMA6L (0xB05688C2L) |
| 314 | #define CAMELLIA_SIGMA6R (0xB3E6C1FDL) |
| 315 | |
| 316 | /* |
| 317 | * macros |
| 318 | */ |
Jussi Kivilinna | e2861a7 | 2012-03-05 20:26:37 +0200 | [diff] [blame] | 319 | #define ROLDQ(ll, lr, rl, rr, w0, w1, bits) ({ \ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 320 | w0 = ll; \ |
| 321 | ll = (ll << bits) + (lr >> (32 - bits)); \ |
| 322 | lr = (lr << bits) + (rl >> (32 - bits)); \ |
| 323 | rl = (rl << bits) + (rr >> (32 - bits)); \ |
| 324 | rr = (rr << bits) + (w0 >> (32 - bits)); \ |
Jussi Kivilinna | e2861a7 | 2012-03-05 20:26:37 +0200 | [diff] [blame] | 325 | }) |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 326 | |
Jussi Kivilinna | e2861a7 | 2012-03-05 20:26:37 +0200 | [diff] [blame] | 327 | #define ROLDQo32(ll, lr, rl, rr, w0, w1, bits) ({ \ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 328 | w0 = ll; \ |
| 329 | w1 = lr; \ |
| 330 | ll = (lr << (bits - 32)) + (rl >> (64 - bits)); \ |
| 331 | lr = (rl << (bits - 32)) + (rr >> (64 - bits)); \ |
| 332 | rl = (rr << (bits - 32)) + (w0 >> (64 - bits)); \ |
| 333 | rr = (w0 << (bits - 32)) + (w1 >> (64 - bits)); \ |
Jussi Kivilinna | e2861a7 | 2012-03-05 20:26:37 +0200 | [diff] [blame] | 334 | }) |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 335 | |
Jussi Kivilinna | e2861a7 | 2012-03-05 20:26:37 +0200 | [diff] [blame] | 336 | #define CAMELLIA_F(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) ({ \ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 337 | il = xl ^ kl; \ |
| 338 | ir = xr ^ kr; \ |
| 339 | t0 = il >> 16; \ |
| 340 | t1 = ir >> 16; \ |
Jussi Kivilinna | e2861a7 | 2012-03-05 20:26:37 +0200 | [diff] [blame] | 341 | yl = camellia_sp1110[(u8)(ir)] \ |
| 342 | ^ camellia_sp0222[(u8)(t1 >> 8)] \ |
| 343 | ^ camellia_sp3033[(u8)(t1)] \ |
Denys Vlasenko | 2ddae4a | 2007-11-23 21:05:55 +0800 | [diff] [blame] | 344 | ^ camellia_sp4404[(u8)(ir >> 8)]; \ |
Jussi Kivilinna | e2861a7 | 2012-03-05 20:26:37 +0200 | [diff] [blame] | 345 | yr = camellia_sp1110[(u8)(t0 >> 8)] \ |
| 346 | ^ camellia_sp0222[(u8)(t0)] \ |
Denys Vlasenko | 2ddae4a | 2007-11-23 21:05:55 +0800 | [diff] [blame] | 347 | ^ camellia_sp3033[(u8)(il >> 8)] \ |
Jussi Kivilinna | e2861a7 | 2012-03-05 20:26:37 +0200 | [diff] [blame] | 348 | ^ camellia_sp4404[(u8)(il)]; \ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 349 | yl ^= yr; \ |
Harvey Harrison | 32bd78e | 2008-10-12 20:40:12 +0800 | [diff] [blame] | 350 | yr = ror32(yr, 8); \ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 351 | yr ^= yl; \ |
Jussi Kivilinna | e2861a7 | 2012-03-05 20:26:37 +0200 | [diff] [blame] | 352 | }) |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 353 | |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 354 | #define SUBKEY_L(INDEX) (subkey[(INDEX)*2]) |
| 355 | #define SUBKEY_R(INDEX) (subkey[(INDEX)*2 + 1]) |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 356 | |
Denys Vlasenko | dedcf8b | 2007-11-23 21:14:24 +0800 | [diff] [blame] | 357 | static void camellia_setup_tail(u32 *subkey, u32 *subL, u32 *subR, int max) |
Denys Vlasenko | d3e7480 | 2007-11-06 22:15:19 +0800 | [diff] [blame] | 358 | { |
Denys Vlasenko | dedcf8b | 2007-11-23 21:14:24 +0800 | [diff] [blame] | 359 | u32 dw, tl, tr; |
Denys Vlasenko | ff85a80 | 2007-11-23 21:21:03 +0800 | [diff] [blame] | 360 | u32 kw4l, kw4r; |
Denys Vlasenko | dedcf8b | 2007-11-23 21:14:24 +0800 | [diff] [blame] | 361 | |
Denys Vlasenko | ff85a80 | 2007-11-23 21:21:03 +0800 | [diff] [blame] | 362 | /* absorb kw2 to other subkeys */ |
| 363 | /* round 2 */ |
| 364 | subL[3] ^= subL[1]; subR[3] ^= subR[1]; |
| 365 | /* round 4 */ |
| 366 | subL[5] ^= subL[1]; subR[5] ^= subR[1]; |
| 367 | /* round 6 */ |
| 368 | subL[7] ^= subL[1]; subR[7] ^= subR[1]; |
| 369 | subL[1] ^= subR[1] & ~subR[9]; |
Julia Lawall | 452ec04 | 2013-08-14 15:52:58 +0200 | [diff] [blame] | 370 | dw = subL[1] & subL[9]; |
| 371 | subR[1] ^= rol32(dw, 1); /* modified for FLinv(kl2) */ |
Denys Vlasenko | ff85a80 | 2007-11-23 21:21:03 +0800 | [diff] [blame] | 372 | /* round 8 */ |
| 373 | subL[11] ^= subL[1]; subR[11] ^= subR[1]; |
| 374 | /* round 10 */ |
| 375 | subL[13] ^= subL[1]; subR[13] ^= subR[1]; |
| 376 | /* round 12 */ |
| 377 | subL[15] ^= subL[1]; subR[15] ^= subR[1]; |
| 378 | subL[1] ^= subR[1] & ~subR[17]; |
Julia Lawall | 452ec04 | 2013-08-14 15:52:58 +0200 | [diff] [blame] | 379 | dw = subL[1] & subL[17]; |
| 380 | subR[1] ^= rol32(dw, 1); /* modified for FLinv(kl4) */ |
Denys Vlasenko | ff85a80 | 2007-11-23 21:21:03 +0800 | [diff] [blame] | 381 | /* round 14 */ |
| 382 | subL[19] ^= subL[1]; subR[19] ^= subR[1]; |
| 383 | /* round 16 */ |
| 384 | subL[21] ^= subL[1]; subR[21] ^= subR[1]; |
| 385 | /* round 18 */ |
| 386 | subL[23] ^= subL[1]; subR[23] ^= subR[1]; |
| 387 | if (max == 24) { |
| 388 | /* kw3 */ |
| 389 | subL[24] ^= subL[1]; subR[24] ^= subR[1]; |
| 390 | |
| 391 | /* absorb kw4 to other subkeys */ |
| 392 | kw4l = subL[25]; kw4r = subR[25]; |
| 393 | } else { |
| 394 | subL[1] ^= subR[1] & ~subR[25]; |
Julia Lawall | 452ec04 | 2013-08-14 15:52:58 +0200 | [diff] [blame] | 395 | dw = subL[1] & subL[25]; |
| 396 | subR[1] ^= rol32(dw, 1); /* modified for FLinv(kl6) */ |
Denys Vlasenko | ff85a80 | 2007-11-23 21:21:03 +0800 | [diff] [blame] | 397 | /* round 20 */ |
| 398 | subL[27] ^= subL[1]; subR[27] ^= subR[1]; |
| 399 | /* round 22 */ |
| 400 | subL[29] ^= subL[1]; subR[29] ^= subR[1]; |
| 401 | /* round 24 */ |
| 402 | subL[31] ^= subL[1]; subR[31] ^= subR[1]; |
| 403 | /* kw3 */ |
| 404 | subL[32] ^= subL[1]; subR[32] ^= subR[1]; |
| 405 | |
| 406 | /* absorb kw4 to other subkeys */ |
| 407 | kw4l = subL[33]; kw4r = subR[33]; |
| 408 | /* round 23 */ |
| 409 | subL[30] ^= kw4l; subR[30] ^= kw4r; |
| 410 | /* round 21 */ |
| 411 | subL[28] ^= kw4l; subR[28] ^= kw4r; |
| 412 | /* round 19 */ |
| 413 | subL[26] ^= kw4l; subR[26] ^= kw4r; |
| 414 | kw4l ^= kw4r & ~subR[24]; |
Julia Lawall | 452ec04 | 2013-08-14 15:52:58 +0200 | [diff] [blame] | 415 | dw = kw4l & subL[24]; |
| 416 | kw4r ^= rol32(dw, 1); /* modified for FL(kl5) */ |
Denys Vlasenko | ff85a80 | 2007-11-23 21:21:03 +0800 | [diff] [blame] | 417 | } |
| 418 | /* round 17 */ |
| 419 | subL[22] ^= kw4l; subR[22] ^= kw4r; |
| 420 | /* round 15 */ |
| 421 | subL[20] ^= kw4l; subR[20] ^= kw4r; |
| 422 | /* round 13 */ |
| 423 | subL[18] ^= kw4l; subR[18] ^= kw4r; |
| 424 | kw4l ^= kw4r & ~subR[16]; |
Julia Lawall | 452ec04 | 2013-08-14 15:52:58 +0200 | [diff] [blame] | 425 | dw = kw4l & subL[16]; |
| 426 | kw4r ^= rol32(dw, 1); /* modified for FL(kl3) */ |
Denys Vlasenko | ff85a80 | 2007-11-23 21:21:03 +0800 | [diff] [blame] | 427 | /* round 11 */ |
| 428 | subL[14] ^= kw4l; subR[14] ^= kw4r; |
| 429 | /* round 9 */ |
| 430 | subL[12] ^= kw4l; subR[12] ^= kw4r; |
| 431 | /* round 7 */ |
| 432 | subL[10] ^= kw4l; subR[10] ^= kw4r; |
| 433 | kw4l ^= kw4r & ~subR[8]; |
Julia Lawall | 452ec04 | 2013-08-14 15:52:58 +0200 | [diff] [blame] | 434 | dw = kw4l & subL[8]; |
| 435 | kw4r ^= rol32(dw, 1); /* modified for FL(kl1) */ |
Denys Vlasenko | ff85a80 | 2007-11-23 21:21:03 +0800 | [diff] [blame] | 436 | /* round 5 */ |
| 437 | subL[6] ^= kw4l; subR[6] ^= kw4r; |
| 438 | /* round 3 */ |
| 439 | subL[4] ^= kw4l; subR[4] ^= kw4r; |
| 440 | /* round 1 */ |
| 441 | subL[2] ^= kw4l; subR[2] ^= kw4r; |
| 442 | /* kw1 */ |
| 443 | subL[0] ^= kw4l; subR[0] ^= kw4r; |
| 444 | |
Denys Vlasenko | dedcf8b | 2007-11-23 21:14:24 +0800 | [diff] [blame] | 445 | /* key XOR is end of F-function */ |
| 446 | SUBKEY_L(0) = subL[0] ^ subL[2];/* kw1 */ |
| 447 | SUBKEY_R(0) = subR[0] ^ subR[2]; |
| 448 | SUBKEY_L(2) = subL[3]; /* round 1 */ |
| 449 | SUBKEY_R(2) = subR[3]; |
| 450 | SUBKEY_L(3) = subL[2] ^ subL[4]; /* round 2 */ |
| 451 | SUBKEY_R(3) = subR[2] ^ subR[4]; |
| 452 | SUBKEY_L(4) = subL[3] ^ subL[5]; /* round 3 */ |
| 453 | SUBKEY_R(4) = subR[3] ^ subR[5]; |
| 454 | SUBKEY_L(5) = subL[4] ^ subL[6]; /* round 4 */ |
| 455 | SUBKEY_R(5) = subR[4] ^ subR[6]; |
| 456 | SUBKEY_L(6) = subL[5] ^ subL[7]; /* round 5 */ |
| 457 | SUBKEY_R(6) = subR[5] ^ subR[7]; |
| 458 | tl = subL[10] ^ (subR[10] & ~subR[8]); |
Julia Lawall | 452ec04 | 2013-08-14 15:52:58 +0200 | [diff] [blame] | 459 | dw = tl & subL[8]; /* FL(kl1) */ |
| 460 | tr = subR[10] ^ rol32(dw, 1); |
Denys Vlasenko | dedcf8b | 2007-11-23 21:14:24 +0800 | [diff] [blame] | 461 | SUBKEY_L(7) = subL[6] ^ tl; /* round 6 */ |
| 462 | SUBKEY_R(7) = subR[6] ^ tr; |
| 463 | SUBKEY_L(8) = subL[8]; /* FL(kl1) */ |
| 464 | SUBKEY_R(8) = subR[8]; |
| 465 | SUBKEY_L(9) = subL[9]; /* FLinv(kl2) */ |
| 466 | SUBKEY_R(9) = subR[9]; |
| 467 | tl = subL[7] ^ (subR[7] & ~subR[9]); |
Julia Lawall | 452ec04 | 2013-08-14 15:52:58 +0200 | [diff] [blame] | 468 | dw = tl & subL[9]; /* FLinv(kl2) */ |
| 469 | tr = subR[7] ^ rol32(dw, 1); |
Denys Vlasenko | dedcf8b | 2007-11-23 21:14:24 +0800 | [diff] [blame] | 470 | SUBKEY_L(10) = tl ^ subL[11]; /* round 7 */ |
| 471 | SUBKEY_R(10) = tr ^ subR[11]; |
| 472 | SUBKEY_L(11) = subL[10] ^ subL[12]; /* round 8 */ |
| 473 | SUBKEY_R(11) = subR[10] ^ subR[12]; |
| 474 | SUBKEY_L(12) = subL[11] ^ subL[13]; /* round 9 */ |
| 475 | SUBKEY_R(12) = subR[11] ^ subR[13]; |
| 476 | SUBKEY_L(13) = subL[12] ^ subL[14]; /* round 10 */ |
| 477 | SUBKEY_R(13) = subR[12] ^ subR[14]; |
| 478 | SUBKEY_L(14) = subL[13] ^ subL[15]; /* round 11 */ |
| 479 | SUBKEY_R(14) = subR[13] ^ subR[15]; |
| 480 | tl = subL[18] ^ (subR[18] & ~subR[16]); |
Julia Lawall | 452ec04 | 2013-08-14 15:52:58 +0200 | [diff] [blame] | 481 | dw = tl & subL[16]; /* FL(kl3) */ |
| 482 | tr = subR[18] ^ rol32(dw, 1); |
Denys Vlasenko | dedcf8b | 2007-11-23 21:14:24 +0800 | [diff] [blame] | 483 | SUBKEY_L(15) = subL[14] ^ tl; /* round 12 */ |
| 484 | SUBKEY_R(15) = subR[14] ^ tr; |
| 485 | SUBKEY_L(16) = subL[16]; /* FL(kl3) */ |
| 486 | SUBKEY_R(16) = subR[16]; |
| 487 | SUBKEY_L(17) = subL[17]; /* FLinv(kl4) */ |
| 488 | SUBKEY_R(17) = subR[17]; |
| 489 | tl = subL[15] ^ (subR[15] & ~subR[17]); |
Julia Lawall | 452ec04 | 2013-08-14 15:52:58 +0200 | [diff] [blame] | 490 | dw = tl & subL[17]; /* FLinv(kl4) */ |
| 491 | tr = subR[15] ^ rol32(dw, 1); |
Denys Vlasenko | dedcf8b | 2007-11-23 21:14:24 +0800 | [diff] [blame] | 492 | SUBKEY_L(18) = tl ^ subL[19]; /* round 13 */ |
| 493 | SUBKEY_R(18) = tr ^ subR[19]; |
| 494 | SUBKEY_L(19) = subL[18] ^ subL[20]; /* round 14 */ |
| 495 | SUBKEY_R(19) = subR[18] ^ subR[20]; |
| 496 | SUBKEY_L(20) = subL[19] ^ subL[21]; /* round 15 */ |
| 497 | SUBKEY_R(20) = subR[19] ^ subR[21]; |
| 498 | SUBKEY_L(21) = subL[20] ^ subL[22]; /* round 16 */ |
| 499 | SUBKEY_R(21) = subR[20] ^ subR[22]; |
| 500 | SUBKEY_L(22) = subL[21] ^ subL[23]; /* round 17 */ |
| 501 | SUBKEY_R(22) = subR[21] ^ subR[23]; |
| 502 | if (max == 24) { |
| 503 | SUBKEY_L(23) = subL[22]; /* round 18 */ |
| 504 | SUBKEY_R(23) = subR[22]; |
| 505 | SUBKEY_L(24) = subL[24] ^ subL[23]; /* kw3 */ |
| 506 | SUBKEY_R(24) = subR[24] ^ subR[23]; |
| 507 | } else { |
| 508 | tl = subL[26] ^ (subR[26] & ~subR[24]); |
Julia Lawall | 452ec04 | 2013-08-14 15:52:58 +0200 | [diff] [blame] | 509 | dw = tl & subL[24]; /* FL(kl5) */ |
| 510 | tr = subR[26] ^ rol32(dw, 1); |
Denys Vlasenko | dedcf8b | 2007-11-23 21:14:24 +0800 | [diff] [blame] | 511 | SUBKEY_L(23) = subL[22] ^ tl; /* round 18 */ |
| 512 | SUBKEY_R(23) = subR[22] ^ tr; |
| 513 | SUBKEY_L(24) = subL[24]; /* FL(kl5) */ |
| 514 | SUBKEY_R(24) = subR[24]; |
| 515 | SUBKEY_L(25) = subL[25]; /* FLinv(kl6) */ |
| 516 | SUBKEY_R(25) = subR[25]; |
| 517 | tl = subL[23] ^ (subR[23] & ~subR[25]); |
Julia Lawall | 452ec04 | 2013-08-14 15:52:58 +0200 | [diff] [blame] | 518 | dw = tl & subL[25]; /* FLinv(kl6) */ |
| 519 | tr = subR[23] ^ rol32(dw, 1); |
Denys Vlasenko | dedcf8b | 2007-11-23 21:14:24 +0800 | [diff] [blame] | 520 | SUBKEY_L(26) = tl ^ subL[27]; /* round 19 */ |
| 521 | SUBKEY_R(26) = tr ^ subR[27]; |
| 522 | SUBKEY_L(27) = subL[26] ^ subL[28]; /* round 20 */ |
| 523 | SUBKEY_R(27) = subR[26] ^ subR[28]; |
| 524 | SUBKEY_L(28) = subL[27] ^ subL[29]; /* round 21 */ |
| 525 | SUBKEY_R(28) = subR[27] ^ subR[29]; |
| 526 | SUBKEY_L(29) = subL[28] ^ subL[30]; /* round 22 */ |
| 527 | SUBKEY_R(29) = subR[28] ^ subR[30]; |
| 528 | SUBKEY_L(30) = subL[29] ^ subL[31]; /* round 23 */ |
| 529 | SUBKEY_R(30) = subR[29] ^ subR[31]; |
| 530 | SUBKEY_L(31) = subL[30]; /* round 24 */ |
| 531 | SUBKEY_R(31) = subR[30]; |
| 532 | SUBKEY_L(32) = subL[32] ^ subL[31]; /* kw3 */ |
| 533 | SUBKEY_R(32) = subR[32] ^ subR[31]; |
| 534 | } |
Denys Vlasenko | d3e7480 | 2007-11-06 22:15:19 +0800 | [diff] [blame] | 535 | } |
| 536 | |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 537 | static void camellia_setup128(const unsigned char *key, u32 *subkey) |
| 538 | { |
| 539 | u32 kll, klr, krl, krr; |
| 540 | u32 il, ir, t0, t1, w0, w1; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 541 | u32 subL[26]; |
| 542 | u32 subR[26]; |
| 543 | |
| 544 | /** |
Denys Vlasenko | dedcf8b | 2007-11-23 21:14:24 +0800 | [diff] [blame] | 545 | * k == kll || klr || krl || krr (|| is concatenation) |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 546 | */ |
Harvey Harrison | 32bd78e | 2008-10-12 20:40:12 +0800 | [diff] [blame] | 547 | kll = get_unaligned_be32(key); |
| 548 | klr = get_unaligned_be32(key + 4); |
| 549 | krl = get_unaligned_be32(key + 8); |
| 550 | krr = get_unaligned_be32(key + 12); |
Denys Vlasenko | 1ce73e8 | 2007-11-06 22:13:40 +0800 | [diff] [blame] | 551 | |
Denys Vlasenko | dedcf8b | 2007-11-23 21:14:24 +0800 | [diff] [blame] | 552 | /* generate KL dependent subkeys */ |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 553 | /* kw1 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 554 | subL[0] = kll; subR[0] = klr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 555 | /* kw2 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 556 | subL[1] = krl; subR[1] = krr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 557 | /* rotation left shift 15bit */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 558 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 559 | /* k3 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 560 | subL[4] = kll; subR[4] = klr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 561 | /* k4 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 562 | subL[5] = krl; subR[5] = krr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 563 | /* rotation left shift 15+30bit */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 564 | ROLDQ(kll, klr, krl, krr, w0, w1, 30); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 565 | /* k7 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 566 | subL[10] = kll; subR[10] = klr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 567 | /* k8 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 568 | subL[11] = krl; subR[11] = krr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 569 | /* rotation left shift 15+30+15bit */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 570 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 571 | /* k10 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 572 | subL[13] = krl; subR[13] = krr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 573 | /* rotation left shift 15+30+15+17 bit */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 574 | ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 575 | /* kl3 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 576 | subL[16] = kll; subR[16] = klr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 577 | /* kl4 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 578 | subL[17] = krl; subR[17] = krr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 579 | /* rotation left shift 15+30+15+17+17 bit */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 580 | ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 581 | /* k13 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 582 | subL[18] = kll; subR[18] = klr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 583 | /* k14 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 584 | subL[19] = krl; subR[19] = krr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 585 | /* rotation left shift 15+30+15+17+17+17 bit */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 586 | ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 587 | /* k17 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 588 | subL[22] = kll; subR[22] = klr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 589 | /* k18 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 590 | subL[23] = krl; subR[23] = krr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 591 | |
| 592 | /* generate KA */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 593 | kll = subL[0]; klr = subR[0]; |
| 594 | krl = subL[1]; krr = subR[1]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 595 | CAMELLIA_F(kll, klr, |
| 596 | CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R, |
| 597 | w0, w1, il, ir, t0, t1); |
| 598 | krl ^= w0; krr ^= w1; |
| 599 | CAMELLIA_F(krl, krr, |
| 600 | CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R, |
| 601 | kll, klr, il, ir, t0, t1); |
| 602 | /* current status == (kll, klr, w0, w1) */ |
| 603 | CAMELLIA_F(kll, klr, |
| 604 | CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R, |
| 605 | krl, krr, il, ir, t0, t1); |
| 606 | krl ^= w0; krr ^= w1; |
| 607 | CAMELLIA_F(krl, krr, |
| 608 | CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R, |
| 609 | w0, w1, il, ir, t0, t1); |
| 610 | kll ^= w0; klr ^= w1; |
| 611 | |
| 612 | /* generate KA dependent subkeys */ |
| 613 | /* k1, k2 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 614 | subL[2] = kll; subR[2] = klr; |
| 615 | subL[3] = krl; subR[3] = krr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 616 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 617 | /* k5,k6 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 618 | subL[6] = kll; subR[6] = klr; |
| 619 | subL[7] = krl; subR[7] = krr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 620 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 621 | /* kl1, kl2 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 622 | subL[8] = kll; subR[8] = klr; |
| 623 | subL[9] = krl; subR[9] = krr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 624 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 625 | /* k9 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 626 | subL[12] = kll; subR[12] = klr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 627 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 628 | /* k11, k12 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 629 | subL[14] = kll; subR[14] = klr; |
| 630 | subL[15] = krl; subR[15] = krr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 631 | ROLDQo32(kll, klr, krl, krr, w0, w1, 34); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 632 | /* k15, k16 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 633 | subL[20] = kll; subR[20] = klr; |
| 634 | subL[21] = krl; subR[21] = krr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 635 | ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 636 | /* kw3, kw4 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 637 | subL[24] = kll; subR[24] = klr; |
| 638 | subL[25] = krl; subR[25] = krr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 639 | |
Denys Vlasenko | dedcf8b | 2007-11-23 21:14:24 +0800 | [diff] [blame] | 640 | camellia_setup_tail(subkey, subL, subR, 24); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 641 | } |
| 642 | |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 643 | static void camellia_setup256(const unsigned char *key, u32 *subkey) |
| 644 | { |
Denys Vlasenko | 1ce73e8 | 2007-11-06 22:13:40 +0800 | [diff] [blame] | 645 | u32 kll, klr, krl, krr; /* left half of key */ |
| 646 | u32 krll, krlr, krrl, krrr; /* right half of key */ |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 647 | u32 il, ir, t0, t1, w0, w1; /* temporary variables */ |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 648 | u32 subL[34]; |
| 649 | u32 subR[34]; |
| 650 | |
| 651 | /** |
| 652 | * key = (kll || klr || krl || krr || krll || krlr || krrl || krrr) |
Denys Vlasenko | dedcf8b | 2007-11-23 21:14:24 +0800 | [diff] [blame] | 653 | * (|| is concatenation) |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 654 | */ |
Harvey Harrison | 32bd78e | 2008-10-12 20:40:12 +0800 | [diff] [blame] | 655 | kll = get_unaligned_be32(key); |
| 656 | klr = get_unaligned_be32(key + 4); |
| 657 | krl = get_unaligned_be32(key + 8); |
| 658 | krr = get_unaligned_be32(key + 12); |
| 659 | krll = get_unaligned_be32(key + 16); |
| 660 | krlr = get_unaligned_be32(key + 20); |
| 661 | krrl = get_unaligned_be32(key + 24); |
| 662 | krrr = get_unaligned_be32(key + 28); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 663 | |
| 664 | /* generate KL dependent subkeys */ |
| 665 | /* kw1 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 666 | subL[0] = kll; subR[0] = klr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 667 | /* kw2 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 668 | subL[1] = krl; subR[1] = krr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 669 | ROLDQo32(kll, klr, krl, krr, w0, w1, 45); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 670 | /* k9 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 671 | subL[12] = kll; subR[12] = klr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 672 | /* k10 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 673 | subL[13] = krl; subR[13] = krr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 674 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 675 | /* kl3 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 676 | subL[16] = kll; subR[16] = klr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 677 | /* kl4 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 678 | subL[17] = krl; subR[17] = krr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 679 | ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 680 | /* k17 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 681 | subL[22] = kll; subR[22] = klr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 682 | /* k18 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 683 | subL[23] = krl; subR[23] = krr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 684 | ROLDQo32(kll, klr, krl, krr, w0, w1, 34); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 685 | /* k23 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 686 | subL[30] = kll; subR[30] = klr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 687 | /* k24 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 688 | subL[31] = krl; subR[31] = krr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 689 | |
| 690 | /* generate KR dependent subkeys */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 691 | ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 692 | /* k3 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 693 | subL[4] = krll; subR[4] = krlr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 694 | /* k4 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 695 | subL[5] = krrl; subR[5] = krrr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 696 | ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 697 | /* kl1 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 698 | subL[8] = krll; subR[8] = krlr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 699 | /* kl2 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 700 | subL[9] = krrl; subR[9] = krrr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 701 | ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 702 | /* k13 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 703 | subL[18] = krll; subR[18] = krlr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 704 | /* k14 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 705 | subL[19] = krrl; subR[19] = krrr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 706 | ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 707 | /* k19 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 708 | subL[26] = krll; subR[26] = krlr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 709 | /* k20 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 710 | subL[27] = krrl; subR[27] = krrr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 711 | ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 712 | |
| 713 | /* generate KA */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 714 | kll = subL[0] ^ krll; klr = subR[0] ^ krlr; |
| 715 | krl = subL[1] ^ krrl; krr = subR[1] ^ krrr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 716 | CAMELLIA_F(kll, klr, |
| 717 | CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R, |
| 718 | w0, w1, il, ir, t0, t1); |
| 719 | krl ^= w0; krr ^= w1; |
| 720 | CAMELLIA_F(krl, krr, |
| 721 | CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R, |
| 722 | kll, klr, il, ir, t0, t1); |
| 723 | kll ^= krll; klr ^= krlr; |
| 724 | CAMELLIA_F(kll, klr, |
| 725 | CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R, |
| 726 | krl, krr, il, ir, t0, t1); |
| 727 | krl ^= w0 ^ krrl; krr ^= w1 ^ krrr; |
| 728 | CAMELLIA_F(krl, krr, |
| 729 | CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R, |
| 730 | w0, w1, il, ir, t0, t1); |
| 731 | kll ^= w0; klr ^= w1; |
| 732 | |
| 733 | /* generate KB */ |
| 734 | krll ^= kll; krlr ^= klr; |
| 735 | krrl ^= krl; krrr ^= krr; |
| 736 | CAMELLIA_F(krll, krlr, |
| 737 | CAMELLIA_SIGMA5L, CAMELLIA_SIGMA5R, |
| 738 | w0, w1, il, ir, t0, t1); |
| 739 | krrl ^= w0; krrr ^= w1; |
| 740 | CAMELLIA_F(krrl, krrr, |
| 741 | CAMELLIA_SIGMA6L, CAMELLIA_SIGMA6R, |
| 742 | w0, w1, il, ir, t0, t1); |
| 743 | krll ^= w0; krlr ^= w1; |
| 744 | |
| 745 | /* generate KA dependent subkeys */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 746 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 747 | /* k5 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 748 | subL[6] = kll; subR[6] = klr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 749 | /* k6 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 750 | subL[7] = krl; subR[7] = krr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 751 | ROLDQ(kll, klr, krl, krr, w0, w1, 30); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 752 | /* k11 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 753 | subL[14] = kll; subR[14] = klr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 754 | /* k12 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 755 | subL[15] = krl; subR[15] = krr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 756 | /* rotation left shift 32bit */ |
| 757 | /* kl5 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 758 | subL[24] = klr; subR[24] = krl; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 759 | /* kl6 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 760 | subL[25] = krr; subR[25] = kll; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 761 | /* rotation left shift 49 from k11,k12 -> k21,k22 */ |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 762 | ROLDQo32(kll, klr, krl, krr, w0, w1, 49); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 763 | /* k21 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 764 | subL[28] = kll; subR[28] = klr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 765 | /* k22 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 766 | subL[29] = krl; subR[29] = krr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 767 | |
| 768 | /* generate KB dependent subkeys */ |
| 769 | /* k1 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 770 | subL[2] = krll; subR[2] = krlr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 771 | /* k2 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 772 | subL[3] = krrl; subR[3] = krrr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 773 | ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 774 | /* k7 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 775 | subL[10] = krll; subR[10] = krlr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 776 | /* k8 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 777 | subL[11] = krrl; subR[11] = krrr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 778 | ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 779 | /* k15 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 780 | subL[20] = krll; subR[20] = krlr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 781 | /* k16 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 782 | subL[21] = krrl; subR[21] = krrr; |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 783 | ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 51); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 784 | /* kw3 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 785 | subL[32] = krll; subR[32] = krlr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 786 | /* kw4 */ |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 787 | subL[33] = krrl; subR[33] = krrr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 788 | |
Denys Vlasenko | dedcf8b | 2007-11-23 21:14:24 +0800 | [diff] [blame] | 789 | camellia_setup_tail(subkey, subL, subR, 32); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 790 | } |
| 791 | |
| 792 | static void camellia_setup192(const unsigned char *key, u32 *subkey) |
| 793 | { |
| 794 | unsigned char kk[32]; |
Richard Hartmann | 621dd36 | 2010-02-16 20:27:57 +0800 | [diff] [blame] | 795 | u32 krll, krlr, krrl, krrr; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 796 | |
| 797 | memcpy(kk, key, 24); |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 798 | memcpy((unsigned char *)&krll, key+16, 4); |
| 799 | memcpy((unsigned char *)&krlr, key+20, 4); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 800 | krrl = ~krll; |
| 801 | krrr = ~krlr; |
| 802 | memcpy(kk+24, (unsigned char *)&krrl, 4); |
| 803 | memcpy(kk+28, (unsigned char *)&krrr, 4); |
| 804 | camellia_setup256(kk, subkey); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 805 | } |
| 806 | |
| 807 | |
Denys Vlasenko | 2ddae4a | 2007-11-23 21:05:55 +0800 | [diff] [blame] | 808 | /* |
| 809 | * Encrypt/decrypt |
| 810 | */ |
Jussi Kivilinna | e2861a7 | 2012-03-05 20:26:37 +0200 | [diff] [blame] | 811 | #define CAMELLIA_FLS(ll, lr, rl, rr, kll, klr, krl, krr, t0, t1, t2, t3) ({ \ |
Denys Vlasenko | 2ddae4a | 2007-11-23 21:05:55 +0800 | [diff] [blame] | 812 | t0 = kll; \ |
| 813 | t2 = krr; \ |
| 814 | t0 &= ll; \ |
| 815 | t2 |= rr; \ |
| 816 | rl ^= t2; \ |
Harvey Harrison | 32bd78e | 2008-10-12 20:40:12 +0800 | [diff] [blame] | 817 | lr ^= rol32(t0, 1); \ |
Denys Vlasenko | 2ddae4a | 2007-11-23 21:05:55 +0800 | [diff] [blame] | 818 | t3 = krl; \ |
| 819 | t1 = klr; \ |
| 820 | t3 &= rl; \ |
| 821 | t1 |= lr; \ |
| 822 | ll ^= t1; \ |
Harvey Harrison | 32bd78e | 2008-10-12 20:40:12 +0800 | [diff] [blame] | 823 | rr ^= rol32(t3, 1); \ |
Jussi Kivilinna | e2861a7 | 2012-03-05 20:26:37 +0200 | [diff] [blame] | 824 | }) |
Denys Vlasenko | 2ddae4a | 2007-11-23 21:05:55 +0800 | [diff] [blame] | 825 | |
Jussi Kivilinna | e2861a7 | 2012-03-05 20:26:37 +0200 | [diff] [blame] | 826 | #define CAMELLIA_ROUNDSM(xl, xr, kl, kr, yl, yr, il, ir) ({ \ |
Jussi Kivilinna | c9b56d3 | 2012-03-03 13:59:00 +0200 | [diff] [blame] | 827 | yl ^= kl; \ |
| 828 | yr ^= kr; \ |
Denys Vlasenko | 2ddae4a | 2007-11-23 21:05:55 +0800 | [diff] [blame] | 829 | ir = camellia_sp1110[(u8)xr]; \ |
Jussi Kivilinna | e2861a7 | 2012-03-05 20:26:37 +0200 | [diff] [blame] | 830 | il = camellia_sp1110[(u8)(xl >> 24)]; \ |
| 831 | ir ^= camellia_sp0222[(u8)(xr >> 24)]; \ |
Denys Vlasenko | 2ddae4a | 2007-11-23 21:05:55 +0800 | [diff] [blame] | 832 | il ^= camellia_sp0222[(u8)(xl >> 16)]; \ |
| 833 | ir ^= camellia_sp3033[(u8)(xr >> 16)]; \ |
| 834 | il ^= camellia_sp3033[(u8)(xl >> 8)]; \ |
| 835 | ir ^= camellia_sp4404[(u8)(xr >> 8)]; \ |
| 836 | il ^= camellia_sp4404[(u8)xl]; \ |
Jussi Kivilinna | c9b56d3 | 2012-03-03 13:59:00 +0200 | [diff] [blame] | 837 | ir ^= il; \ |
Denys Vlasenko | 2ddae4a | 2007-11-23 21:05:55 +0800 | [diff] [blame] | 838 | yl ^= ir; \ |
Jussi Kivilinna | e2861a7 | 2012-03-05 20:26:37 +0200 | [diff] [blame] | 839 | yr ^= ror32(il, 8) ^ ir; \ |
| 840 | }) |
Denys Vlasenko | 2ddae4a | 2007-11-23 21:05:55 +0800 | [diff] [blame] | 841 | |
Denys Vlasenko | acca79a | 2007-11-23 21:10:03 +0800 | [diff] [blame] | 842 | /* max = 24: 128bit encrypt, max = 32: 256bit encrypt */ |
| 843 | static void camellia_do_encrypt(const u32 *subkey, u32 *io, unsigned max) |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 844 | { |
Richard Hartmann | 621dd36 | 2010-02-16 20:27:57 +0800 | [diff] [blame] | 845 | u32 il, ir, t0, t1; /* temporary variables */ |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 846 | |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 847 | /* pre whitening but absorb kw2 */ |
Denys Vlasenko | acca79a | 2007-11-23 21:10:03 +0800 | [diff] [blame] | 848 | io[0] ^= SUBKEY_L(0); |
| 849 | io[1] ^= SUBKEY_R(0); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 850 | |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 851 | /* main iteration */ |
Jussi Kivilinna | e2861a7 | 2012-03-05 20:26:37 +0200 | [diff] [blame] | 852 | #define ROUNDS(i) ({ \ |
Richard Hartmann | 621dd36 | 2010-02-16 20:27:57 +0800 | [diff] [blame] | 853 | CAMELLIA_ROUNDSM(io[0], io[1], \ |
| 854 | SUBKEY_L(i + 2), SUBKEY_R(i + 2), \ |
| 855 | io[2], io[3], il, ir); \ |
| 856 | CAMELLIA_ROUNDSM(io[2], io[3], \ |
| 857 | SUBKEY_L(i + 3), SUBKEY_R(i + 3), \ |
| 858 | io[0], io[1], il, ir); \ |
| 859 | CAMELLIA_ROUNDSM(io[0], io[1], \ |
| 860 | SUBKEY_L(i + 4), SUBKEY_R(i + 4), \ |
| 861 | io[2], io[3], il, ir); \ |
| 862 | CAMELLIA_ROUNDSM(io[2], io[3], \ |
| 863 | SUBKEY_L(i + 5), SUBKEY_R(i + 5), \ |
| 864 | io[0], io[1], il, ir); \ |
| 865 | CAMELLIA_ROUNDSM(io[0], io[1], \ |
| 866 | SUBKEY_L(i + 6), SUBKEY_R(i + 6), \ |
| 867 | io[2], io[3], il, ir); \ |
| 868 | CAMELLIA_ROUNDSM(io[2], io[3], \ |
| 869 | SUBKEY_L(i + 7), SUBKEY_R(i + 7), \ |
| 870 | io[0], io[1], il, ir); \ |
Jussi Kivilinna | e2861a7 | 2012-03-05 20:26:37 +0200 | [diff] [blame] | 871 | }) |
| 872 | #define FLS(i) ({ \ |
Richard Hartmann | 621dd36 | 2010-02-16 20:27:57 +0800 | [diff] [blame] | 873 | CAMELLIA_FLS(io[0], io[1], io[2], io[3], \ |
| 874 | SUBKEY_L(i + 0), SUBKEY_R(i + 0), \ |
| 875 | SUBKEY_L(i + 1), SUBKEY_R(i + 1), \ |
| 876 | t0, t1, il, ir); \ |
Jussi Kivilinna | e2861a7 | 2012-03-05 20:26:37 +0200 | [diff] [blame] | 877 | }) |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 878 | |
Denys Vlasenko | acca79a | 2007-11-23 21:10:03 +0800 | [diff] [blame] | 879 | ROUNDS(0); |
| 880 | FLS(8); |
| 881 | ROUNDS(8); |
| 882 | FLS(16); |
| 883 | ROUNDS(16); |
| 884 | if (max == 32) { |
| 885 | FLS(24); |
| 886 | ROUNDS(24); |
| 887 | } |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 888 | |
Denys Vlasenko | acca79a | 2007-11-23 21:10:03 +0800 | [diff] [blame] | 889 | #undef ROUNDS |
| 890 | #undef FLS |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 891 | |
| 892 | /* post whitening but kw4 */ |
Denys Vlasenko | acca79a | 2007-11-23 21:10:03 +0800 | [diff] [blame] | 893 | io[2] ^= SUBKEY_L(max); |
| 894 | io[3] ^= SUBKEY_R(max); |
| 895 | /* NB: io[0],[1] should be swapped with [2],[3] by caller! */ |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 896 | } |
| 897 | |
Denys Vlasenko | acca79a | 2007-11-23 21:10:03 +0800 | [diff] [blame] | 898 | static void camellia_do_decrypt(const u32 *subkey, u32 *io, unsigned i) |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 899 | { |
Richard Hartmann | 621dd36 | 2010-02-16 20:27:57 +0800 | [diff] [blame] | 900 | u32 il, ir, t0, t1; /* temporary variables */ |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 901 | |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 902 | /* pre whitening but absorb kw2 */ |
Denys Vlasenko | acca79a | 2007-11-23 21:10:03 +0800 | [diff] [blame] | 903 | io[0] ^= SUBKEY_L(i); |
| 904 | io[1] ^= SUBKEY_R(i); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 905 | |
| 906 | /* main iteration */ |
Jussi Kivilinna | e2861a7 | 2012-03-05 20:26:37 +0200 | [diff] [blame] | 907 | #define ROUNDS(i) ({ \ |
Richard Hartmann | 621dd36 | 2010-02-16 20:27:57 +0800 | [diff] [blame] | 908 | CAMELLIA_ROUNDSM(io[0], io[1], \ |
| 909 | SUBKEY_L(i + 7), SUBKEY_R(i + 7), \ |
| 910 | io[2], io[3], il, ir); \ |
| 911 | CAMELLIA_ROUNDSM(io[2], io[3], \ |
| 912 | SUBKEY_L(i + 6), SUBKEY_R(i + 6), \ |
| 913 | io[0], io[1], il, ir); \ |
| 914 | CAMELLIA_ROUNDSM(io[0], io[1], \ |
| 915 | SUBKEY_L(i + 5), SUBKEY_R(i + 5), \ |
| 916 | io[2], io[3], il, ir); \ |
| 917 | CAMELLIA_ROUNDSM(io[2], io[3], \ |
| 918 | SUBKEY_L(i + 4), SUBKEY_R(i + 4), \ |
| 919 | io[0], io[1], il, ir); \ |
| 920 | CAMELLIA_ROUNDSM(io[0], io[1], \ |
| 921 | SUBKEY_L(i + 3), SUBKEY_R(i + 3), \ |
| 922 | io[2], io[3], il, ir); \ |
| 923 | CAMELLIA_ROUNDSM(io[2], io[3], \ |
| 924 | SUBKEY_L(i + 2), SUBKEY_R(i + 2), \ |
| 925 | io[0], io[1], il, ir); \ |
Jussi Kivilinna | e2861a7 | 2012-03-05 20:26:37 +0200 | [diff] [blame] | 926 | }) |
| 927 | #define FLS(i) ({ \ |
Richard Hartmann | 621dd36 | 2010-02-16 20:27:57 +0800 | [diff] [blame] | 928 | CAMELLIA_FLS(io[0], io[1], io[2], io[3], \ |
| 929 | SUBKEY_L(i + 1), SUBKEY_R(i + 1), \ |
| 930 | SUBKEY_L(i + 0), SUBKEY_R(i + 0), \ |
| 931 | t0, t1, il, ir); \ |
Jussi Kivilinna | e2861a7 | 2012-03-05 20:26:37 +0200 | [diff] [blame] | 932 | }) |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 933 | |
Denys Vlasenko | acca79a | 2007-11-23 21:10:03 +0800 | [diff] [blame] | 934 | if (i == 32) { |
| 935 | ROUNDS(24); |
| 936 | FLS(24); |
| 937 | } |
| 938 | ROUNDS(16); |
| 939 | FLS(16); |
| 940 | ROUNDS(8); |
| 941 | FLS(8); |
| 942 | ROUNDS(0); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 943 | |
Denys Vlasenko | acca79a | 2007-11-23 21:10:03 +0800 | [diff] [blame] | 944 | #undef ROUNDS |
| 945 | #undef FLS |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 946 | |
| 947 | /* post whitening but kw4 */ |
Denys Vlasenko | acca79a | 2007-11-23 21:10:03 +0800 | [diff] [blame] | 948 | io[2] ^= SUBKEY_L(0); |
| 949 | io[3] ^= SUBKEY_R(0); |
| 950 | /* NB: 0,1 should be swapped with 2,3 by caller! */ |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 951 | } |
| 952 | |
| 953 | |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 954 | struct camellia_ctx { |
| 955 | int key_length; |
Denys Vlasenko | 2ddae4a | 2007-11-23 21:05:55 +0800 | [diff] [blame] | 956 | u32 key_table[CAMELLIA_TABLE_BYTE_LEN / sizeof(u32)]; |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 957 | }; |
| 958 | |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 959 | static int |
| 960 | camellia_set_key(struct crypto_tfm *tfm, const u8 *in_key, |
| 961 | unsigned int key_len) |
| 962 | { |
| 963 | struct camellia_ctx *cctx = crypto_tfm_ctx(tfm); |
| 964 | const unsigned char *key = (const unsigned char *)in_key; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 965 | |
Eric Biggers | 674f368 | 2019-12-30 21:19:36 -0600 | [diff] [blame] | 966 | if (key_len != 16 && key_len != 24 && key_len != 32) |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 967 | return -EINVAL; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 968 | |
| 969 | cctx->key_length = key_len; |
| 970 | |
Denys Vlasenko | 1721a81 | 2007-11-06 22:01:20 +0800 | [diff] [blame] | 971 | switch (key_len) { |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 972 | case 16: |
| 973 | camellia_setup128(key, cctx->key_table); |
| 974 | break; |
| 975 | case 24: |
| 976 | camellia_setup192(key, cctx->key_table); |
| 977 | break; |
| 978 | case 32: |
| 979 | camellia_setup256(key, cctx->key_table); |
| 980 | break; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 981 | } |
| 982 | |
| 983 | return 0; |
| 984 | } |
| 985 | |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 986 | static void camellia_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) |
| 987 | { |
| 988 | const struct camellia_ctx *cctx = crypto_tfm_ctx(tfm); |
Jussi Kivilinna | e2861a7 | 2012-03-05 20:26:37 +0200 | [diff] [blame] | 989 | unsigned int max; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 990 | |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 991 | u32 tmp[4]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 992 | |
Ard Biesheuvel | 8338541 | 2021-02-01 19:02:33 +0100 | [diff] [blame] | 993 | tmp[0] = get_unaligned_be32(in); |
| 994 | tmp[1] = get_unaligned_be32(in + 4); |
| 995 | tmp[2] = get_unaligned_be32(in + 8); |
| 996 | tmp[3] = get_unaligned_be32(in + 12); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 997 | |
Jussi Kivilinna | e2861a7 | 2012-03-05 20:26:37 +0200 | [diff] [blame] | 998 | if (cctx->key_length == 16) |
| 999 | max = 24; |
| 1000 | else |
| 1001 | max = 32; /* for key lengths of 24 and 32 */ |
| 1002 | |
| 1003 | camellia_do_encrypt(cctx->key_table, tmp, max); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1004 | |
Denys Vlasenko | acca79a | 2007-11-23 21:10:03 +0800 | [diff] [blame] | 1005 | /* do_encrypt returns 0,1 swapped with 2,3 */ |
Ard Biesheuvel | 8338541 | 2021-02-01 19:02:33 +0100 | [diff] [blame] | 1006 | put_unaligned_be32(tmp[2], out); |
| 1007 | put_unaligned_be32(tmp[3], out + 4); |
| 1008 | put_unaligned_be32(tmp[0], out + 8); |
| 1009 | put_unaligned_be32(tmp[1], out + 12); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1010 | } |
| 1011 | |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1012 | static void camellia_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) |
| 1013 | { |
| 1014 | const struct camellia_ctx *cctx = crypto_tfm_ctx(tfm); |
Jussi Kivilinna | e2861a7 | 2012-03-05 20:26:37 +0200 | [diff] [blame] | 1015 | unsigned int max; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1016 | |
Denys Vlasenko | 3a5e5f81 | 2007-11-06 22:05:36 +0800 | [diff] [blame] | 1017 | u32 tmp[4]; |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1018 | |
Ard Biesheuvel | 8338541 | 2021-02-01 19:02:33 +0100 | [diff] [blame] | 1019 | tmp[0] = get_unaligned_be32(in); |
| 1020 | tmp[1] = get_unaligned_be32(in + 4); |
| 1021 | tmp[2] = get_unaligned_be32(in + 8); |
| 1022 | tmp[3] = get_unaligned_be32(in + 12); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1023 | |
Jussi Kivilinna | e2861a7 | 2012-03-05 20:26:37 +0200 | [diff] [blame] | 1024 | if (cctx->key_length == 16) |
| 1025 | max = 24; |
| 1026 | else |
| 1027 | max = 32; /* for key lengths of 24 and 32 */ |
| 1028 | |
| 1029 | camellia_do_decrypt(cctx->key_table, tmp, max); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1030 | |
Denys Vlasenko | acca79a | 2007-11-23 21:10:03 +0800 | [diff] [blame] | 1031 | /* do_decrypt returns 0,1 swapped with 2,3 */ |
Ard Biesheuvel | 8338541 | 2021-02-01 19:02:33 +0100 | [diff] [blame] | 1032 | put_unaligned_be32(tmp[2], out); |
| 1033 | put_unaligned_be32(tmp[3], out + 4); |
| 1034 | put_unaligned_be32(tmp[0], out + 8); |
| 1035 | put_unaligned_be32(tmp[1], out + 12); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1036 | } |
| 1037 | |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1038 | static struct crypto_alg camellia_alg = { |
| 1039 | .cra_name = "camellia", |
| 1040 | .cra_driver_name = "camellia-generic", |
| 1041 | .cra_priority = 100, |
| 1042 | .cra_flags = CRYPTO_ALG_TYPE_CIPHER, |
| 1043 | .cra_blocksize = CAMELLIA_BLOCK_SIZE, |
| 1044 | .cra_ctxsize = sizeof(struct camellia_ctx), |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1045 | .cra_module = THIS_MODULE, |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1046 | .cra_u = { |
| 1047 | .cipher = { |
| 1048 | .cia_min_keysize = CAMELLIA_MIN_KEY_SIZE, |
| 1049 | .cia_max_keysize = CAMELLIA_MAX_KEY_SIZE, |
| 1050 | .cia_setkey = camellia_set_key, |
| 1051 | .cia_encrypt = camellia_encrypt, |
| 1052 | .cia_decrypt = camellia_decrypt |
| 1053 | } |
| 1054 | } |
| 1055 | }; |
| 1056 | |
| 1057 | static int __init camellia_init(void) |
| 1058 | { |
| 1059 | return crypto_register_alg(&camellia_alg); |
| 1060 | } |
| 1061 | |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1062 | static void __exit camellia_fini(void) |
| 1063 | { |
| 1064 | crypto_unregister_alg(&camellia_alg); |
| 1065 | } |
| 1066 | |
Eric Biggers | c4741b2 | 2019-04-11 21:57:42 -0700 | [diff] [blame] | 1067 | subsys_initcall(camellia_init); |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1068 | module_exit(camellia_fini); |
| 1069 | |
Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1070 | MODULE_DESCRIPTION("Camellia Cipher Algorithm"); |
| 1071 | MODULE_LICENSE("GPL"); |
Kees Cook | 5d26a10 | 2014-11-20 17:05:53 -0800 | [diff] [blame] | 1072 | MODULE_ALIAS_CRYPTO("camellia"); |
Mathias Krause | 3e14dcf | 2015-01-11 18:17:42 +0100 | [diff] [blame] | 1073 | MODULE_ALIAS_CRYPTO("camellia-generic"); |