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crypto/camellia_generic.c
34.9 KB
d64beac05 [CRYPTO] camellia... |
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/* * Copyright (C) 2006 * NTT (Nippon Telegraph and Telephone Corporation). * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * 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> |
32bd78e0a crypto: camellia ... |
38 39 |
#include <linux/bitops.h> #include <asm/unaligned.h> |
d64beac05 [CRYPTO] camellia... |
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d64beac05 [CRYPTO] camellia... |
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static const u32 camellia_sp1110[256] = { |
621dd3692 crypto: camellia ... |
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0x70707000, 0x82828200, 0x2c2c2c00, 0xececec00, 0xb3b3b300, 0x27272700, 0xc0c0c000, 0xe5e5e500, 0xe4e4e400, 0x85858500, 0x57575700, 0x35353500, 0xeaeaea00, 0x0c0c0c00, 0xaeaeae00, 0x41414100, 0x23232300, 0xefefef00, 0x6b6b6b00, 0x93939300, 0x45454500, 0x19191900, 0xa5a5a500, 0x21212100, 0xededed00, 0x0e0e0e00, 0x4f4f4f00, 0x4e4e4e00, 0x1d1d1d00, 0x65656500, 0x92929200, 0xbdbdbd00, 0x86868600, 0xb8b8b800, 0xafafaf00, 0x8f8f8f00, 0x7c7c7c00, 0xebebeb00, 0x1f1f1f00, 0xcecece00, 0x3e3e3e00, 0x30303000, 0xdcdcdc00, 0x5f5f5f00, 0x5e5e5e00, 0xc5c5c500, 0x0b0b0b00, 0x1a1a1a00, 0xa6a6a600, 0xe1e1e100, 0x39393900, 0xcacaca00, 0xd5d5d500, 0x47474700, 0x5d5d5d00, 0x3d3d3d00, 0xd9d9d900, 0x01010100, 0x5a5a5a00, 0xd6d6d600, 0x51515100, 0x56565600, 0x6c6c6c00, 0x4d4d4d00, 0x8b8b8b00, 0x0d0d0d00, 0x9a9a9a00, 0x66666600, 0xfbfbfb00, 0xcccccc00, 0xb0b0b000, 0x2d2d2d00, 0x74747400, 0x12121200, 0x2b2b2b00, 0x20202000, 0xf0f0f000, 0xb1b1b100, 0x84848400, 0x99999900, 0xdfdfdf00, 0x4c4c4c00, 0xcbcbcb00, 0xc2c2c200, 0x34343400, 0x7e7e7e00, 0x76767600, 0x05050500, 0x6d6d6d00, 0xb7b7b700, 0xa9a9a900, 0x31313100, 0xd1d1d100, 0x17171700, 0x04040400, 0xd7d7d700, 0x14141400, 0x58585800, 0x3a3a3a00, 0x61616100, 0xdedede00, 0x1b1b1b00, 0x11111100, 0x1c1c1c00, 0x32323200, 0x0f0f0f00, 0x9c9c9c00, 0x16161600, 0x53535300, 0x18181800, 0xf2f2f200, 0x22222200, 0xfefefe00, 0x44444400, 0xcfcfcf00, 0xb2b2b200, 0xc3c3c300, 0xb5b5b500, 0x7a7a7a00, 0x91919100, 0x24242400, 0x08080800, 0xe8e8e800, 0xa8a8a800, 0x60606000, 0xfcfcfc00, 0x69696900, 0x50505000, 0xaaaaaa00, 0xd0d0d000, 0xa0a0a000, 0x7d7d7d00, 0xa1a1a100, 0x89898900, 0x62626200, 0x97979700, 0x54545400, 0x5b5b5b00, 0x1e1e1e00, 0x95959500, 0xe0e0e000, 0xffffff00, 0x64646400, 0xd2d2d200, 0x10101000, 0xc4c4c400, 0x00000000, 0x48484800, 0xa3a3a300, 0xf7f7f700, 0x75757500, 0xdbdbdb00, 0x8a8a8a00, 0x03030300, 0xe6e6e600, 0xdadada00, 0x09090900, 0x3f3f3f00, 0xdddddd00, 0x94949400, 0x87878700, 0x5c5c5c00, 0x83838300, 0x02020200, 0xcdcdcd00, 0x4a4a4a00, 0x90909000, 0x33333300, 0x73737300, 0x67676700, 0xf6f6f600, 0xf3f3f300, 0x9d9d9d00, 0x7f7f7f00, 0xbfbfbf00, 0xe2e2e200, 0x52525200, 0x9b9b9b00, 0xd8d8d800, 0x26262600, 0xc8c8c800, 0x37373700, 0xc6c6c600, 0x3b3b3b00, 0x81818100, 0x96969600, 0x6f6f6f00, 0x4b4b4b00, 0x13131300, 0xbebebe00, 0x63636300, 0x2e2e2e00, 0xe9e9e900, 0x79797900, 0xa7a7a700, 0x8c8c8c00, 0x9f9f9f00, 0x6e6e6e00, 0xbcbcbc00, 0x8e8e8e00, 0x29292900, 0xf5f5f500, 0xf9f9f900, 0xb6b6b600, 0x2f2f2f00, 0xfdfdfd00, 0xb4b4b400, 0x59595900, 0x78787800, 0x98989800, 0x06060600, 0x6a6a6a00, 0xe7e7e700, 0x46464600, 0x71717100, 0xbababa00, 0xd4d4d400, 0x25252500, 0xababab00, 0x42424200, 0x88888800, 0xa2a2a200, 0x8d8d8d00, 0xfafafa00, 0x72727200, 0x07070700, 0xb9b9b900, 0x55555500, 0xf8f8f800, 0xeeeeee00, 0xacacac00, 0x0a0a0a00, 0x36363600, 0x49494900, 0x2a2a2a00, 0x68686800, 0x3c3c3c00, 0x38383800, 0xf1f1f100, 0xa4a4a400, 0x40404000, 0x28282800, 0xd3d3d300, 0x7b7b7b00, 0xbbbbbb00, 0xc9c9c900, 0x43434300, 0xc1c1c100, 0x15151500, 0xe3e3e300, 0xadadad00, 0xf4f4f400, 0x77777700, 0xc7c7c700, 0x80808000, 0x9e9e9e00, |
d64beac05 [CRYPTO] camellia... |
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}; static const u32 camellia_sp0222[256] = { |
621dd3692 crypto: camellia ... |
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0x00e0e0e0, 0x00050505, 0x00585858, 0x00d9d9d9, 0x00676767, 0x004e4e4e, 0x00818181, 0x00cbcbcb, 0x00c9c9c9, 0x000b0b0b, 0x00aeaeae, 0x006a6a6a, 0x00d5d5d5, 0x00181818, 0x005d5d5d, 0x00828282, 0x00464646, 0x00dfdfdf, 0x00d6d6d6, 0x00272727, 0x008a8a8a, 0x00323232, 0x004b4b4b, 0x00424242, 0x00dbdbdb, 0x001c1c1c, 0x009e9e9e, 0x009c9c9c, 0x003a3a3a, 0x00cacaca, 0x00252525, 0x007b7b7b, 0x000d0d0d, 0x00717171, 0x005f5f5f, 0x001f1f1f, 0x00f8f8f8, 0x00d7d7d7, 0x003e3e3e, 0x009d9d9d, 0x007c7c7c, 0x00606060, 0x00b9b9b9, 0x00bebebe, 0x00bcbcbc, 0x008b8b8b, 0x00161616, 0x00343434, 0x004d4d4d, 0x00c3c3c3, 0x00727272, 0x00959595, 0x00ababab, 0x008e8e8e, 0x00bababa, 0x007a7a7a, 0x00b3b3b3, 0x00020202, 0x00b4b4b4, 0x00adadad, 0x00a2a2a2, 0x00acacac, 0x00d8d8d8, 0x009a9a9a, 0x00171717, 0x001a1a1a, 0x00353535, 0x00cccccc, 0x00f7f7f7, 0x00999999, 0x00616161, 0x005a5a5a, 0x00e8e8e8, 0x00242424, 0x00565656, 0x00404040, 0x00e1e1e1, 0x00636363, 0x00090909, 0x00333333, 0x00bfbfbf, 0x00989898, 0x00979797, 0x00858585, 0x00686868, 0x00fcfcfc, 0x00ececec, 0x000a0a0a, 0x00dadada, 0x006f6f6f, 0x00535353, 0x00626262, 0x00a3a3a3, 0x002e2e2e, 0x00080808, 0x00afafaf, 0x00282828, 0x00b0b0b0, 0x00747474, 0x00c2c2c2, 0x00bdbdbd, 0x00363636, 0x00222222, 0x00383838, 0x00646464, 0x001e1e1e, 0x00393939, 0x002c2c2c, 0x00a6a6a6, 0x00303030, 0x00e5e5e5, 0x00444444, 0x00fdfdfd, 0x00888888, 0x009f9f9f, 0x00656565, 0x00878787, 0x006b6b6b, 0x00f4f4f4, 0x00232323, 0x00484848, 0x00101010, 0x00d1d1d1, 0x00515151, 0x00c0c0c0, 0x00f9f9f9, 0x00d2d2d2, 0x00a0a0a0, 0x00555555, 0x00a1a1a1, 0x00414141, 0x00fafafa, 0x00434343, 0x00131313, 0x00c4c4c4, 0x002f2f2f, 0x00a8a8a8, 0x00b6b6b6, 0x003c3c3c, 0x002b2b2b, 0x00c1c1c1, 0x00ffffff, 0x00c8c8c8, 0x00a5a5a5, 0x00202020, 0x00898989, 0x00000000, 0x00909090, 0x00474747, 0x00efefef, 0x00eaeaea, 0x00b7b7b7, 0x00151515, 0x00060606, 0x00cdcdcd, 0x00b5b5b5, 0x00121212, 0x007e7e7e, 0x00bbbbbb, 0x00292929, 0x000f0f0f, 0x00b8b8b8, 0x00070707, 0x00040404, 0x009b9b9b, 0x00949494, 0x00212121, 0x00666666, 0x00e6e6e6, 0x00cecece, 0x00ededed, 0x00e7e7e7, 0x003b3b3b, 0x00fefefe, 0x007f7f7f, 0x00c5c5c5, 0x00a4a4a4, 0x00373737, 0x00b1b1b1, 0x004c4c4c, 0x00919191, 0x006e6e6e, 0x008d8d8d, 0x00767676, 0x00030303, 0x002d2d2d, 0x00dedede, 0x00969696, 0x00262626, 0x007d7d7d, 0x00c6c6c6, 0x005c5c5c, 0x00d3d3d3, 0x00f2f2f2, 0x004f4f4f, 0x00191919, 0x003f3f3f, 0x00dcdcdc, 0x00797979, 0x001d1d1d, 0x00525252, 0x00ebebeb, 0x00f3f3f3, 0x006d6d6d, 0x005e5e5e, 0x00fbfbfb, 0x00696969, 0x00b2b2b2, 0x00f0f0f0, 0x00313131, 0x000c0c0c, 0x00d4d4d4, 0x00cfcfcf, 0x008c8c8c, 0x00e2e2e2, 0x00757575, 0x00a9a9a9, 0x004a4a4a, 0x00575757, 0x00848484, 0x00111111, 0x00454545, 0x001b1b1b, 0x00f5f5f5, 0x00e4e4e4, 0x000e0e0e, 0x00737373, 0x00aaaaaa, 0x00f1f1f1, 0x00dddddd, 0x00595959, 0x00141414, 0x006c6c6c, 0x00929292, 0x00545454, 0x00d0d0d0, 0x00787878, 0x00707070, 0x00e3e3e3, 0x00494949, 0x00808080, 0x00505050, 0x00a7a7a7, 0x00f6f6f6, 0x00777777, 0x00939393, 0x00868686, 0x00838383, 0x002a2a2a, 0x00c7c7c7, 0x005b5b5b, 0x00e9e9e9, 0x00eeeeee, 0x008f8f8f, 0x00010101, 0x003d3d3d, |
d64beac05 [CRYPTO] camellia... |
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}; static const u32 camellia_sp3033[256] = { |
621dd3692 crypto: camellia ... |
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0x38003838, 0x41004141, 0x16001616, 0x76007676, 0xd900d9d9, 0x93009393, 0x60006060, 0xf200f2f2, 0x72007272, 0xc200c2c2, 0xab00abab, 0x9a009a9a, 0x75007575, 0x06000606, 0x57005757, 0xa000a0a0, 0x91009191, 0xf700f7f7, 0xb500b5b5, 0xc900c9c9, 0xa200a2a2, 0x8c008c8c, 0xd200d2d2, 0x90009090, 0xf600f6f6, 0x07000707, 0xa700a7a7, 0x27002727, 0x8e008e8e, 0xb200b2b2, 0x49004949, 0xde00dede, 0x43004343, 0x5c005c5c, 0xd700d7d7, 0xc700c7c7, 0x3e003e3e, 0xf500f5f5, 0x8f008f8f, 0x67006767, 0x1f001f1f, 0x18001818, 0x6e006e6e, 0xaf00afaf, 0x2f002f2f, 0xe200e2e2, 0x85008585, 0x0d000d0d, 0x53005353, 0xf000f0f0, 0x9c009c9c, 0x65006565, 0xea00eaea, 0xa300a3a3, 0xae00aeae, 0x9e009e9e, 0xec00ecec, 0x80008080, 0x2d002d2d, 0x6b006b6b, 0xa800a8a8, 0x2b002b2b, 0x36003636, 0xa600a6a6, 0xc500c5c5, 0x86008686, 0x4d004d4d, 0x33003333, 0xfd00fdfd, 0x66006666, 0x58005858, 0x96009696, 0x3a003a3a, 0x09000909, 0x95009595, 0x10001010, 0x78007878, 0xd800d8d8, 0x42004242, 0xcc00cccc, 0xef00efef, 0x26002626, 0xe500e5e5, 0x61006161, 0x1a001a1a, 0x3f003f3f, 0x3b003b3b, 0x82008282, 0xb600b6b6, 0xdb00dbdb, 0xd400d4d4, 0x98009898, 0xe800e8e8, 0x8b008b8b, 0x02000202, 0xeb00ebeb, 0x0a000a0a, 0x2c002c2c, 0x1d001d1d, 0xb000b0b0, 0x6f006f6f, 0x8d008d8d, 0x88008888, 0x0e000e0e, 0x19001919, 0x87008787, 0x4e004e4e, 0x0b000b0b, 0xa900a9a9, 0x0c000c0c, 0x79007979, 0x11001111, 0x7f007f7f, 0x22002222, 0xe700e7e7, 0x59005959, 0xe100e1e1, 0xda00dada, 0x3d003d3d, 0xc800c8c8, 0x12001212, 0x04000404, 0x74007474, 0x54005454, 0x30003030, 0x7e007e7e, 0xb400b4b4, 0x28002828, 0x55005555, 0x68006868, 0x50005050, 0xbe00bebe, 0xd000d0d0, 0xc400c4c4, 0x31003131, 0xcb00cbcb, 0x2a002a2a, 0xad00adad, 0x0f000f0f, 0xca00caca, 0x70007070, 0xff00ffff, 0x32003232, 0x69006969, 0x08000808, 0x62006262, 0x00000000, 0x24002424, 0xd100d1d1, 0xfb00fbfb, 0xba00baba, 0xed00eded, 0x45004545, 0x81008181, 0x73007373, 0x6d006d6d, 0x84008484, 0x9f009f9f, 0xee00eeee, 0x4a004a4a, 0xc300c3c3, 0x2e002e2e, 0xc100c1c1, 0x01000101, 0xe600e6e6, 0x25002525, 0x48004848, 0x99009999, 0xb900b9b9, 0xb300b3b3, 0x7b007b7b, 0xf900f9f9, 0xce00cece, 0xbf00bfbf, 0xdf00dfdf, 0x71007171, 0x29002929, 0xcd00cdcd, 0x6c006c6c, 0x13001313, 0x64006464, 0x9b009b9b, 0x63006363, 0x9d009d9d, 0xc000c0c0, 0x4b004b4b, 0xb700b7b7, 0xa500a5a5, 0x89008989, 0x5f005f5f, 0xb100b1b1, 0x17001717, 0xf400f4f4, 0xbc00bcbc, 0xd300d3d3, 0x46004646, 0xcf00cfcf, 0x37003737, 0x5e005e5e, 0x47004747, 0x94009494, 0xfa00fafa, 0xfc00fcfc, 0x5b005b5b, 0x97009797, 0xfe00fefe, 0x5a005a5a, 0xac00acac, 0x3c003c3c, 0x4c004c4c, 0x03000303, 0x35003535, 0xf300f3f3, 0x23002323, 0xb800b8b8, 0x5d005d5d, 0x6a006a6a, 0x92009292, 0xd500d5d5, 0x21002121, 0x44004444, 0x51005151, 0xc600c6c6, 0x7d007d7d, 0x39003939, 0x83008383, 0xdc00dcdc, 0xaa00aaaa, 0x7c007c7c, 0x77007777, 0x56005656, 0x05000505, 0x1b001b1b, 0xa400a4a4, 0x15001515, 0x34003434, 0x1e001e1e, 0x1c001c1c, 0xf800f8f8, 0x52005252, 0x20002020, 0x14001414, 0xe900e9e9, 0xbd00bdbd, 0xdd00dddd, 0xe400e4e4, 0xa100a1a1, 0xe000e0e0, 0x8a008a8a, 0xf100f1f1, 0xd600d6d6, 0x7a007a7a, 0xbb00bbbb, 0xe300e3e3, 0x40004040, 0x4f004f4f, |
d64beac05 [CRYPTO] camellia... |
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}; static const u32 camellia_sp4404[256] = { |
621dd3692 crypto: camellia ... |
243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 |
0x70700070, 0x2c2c002c, 0xb3b300b3, 0xc0c000c0, 0xe4e400e4, 0x57570057, 0xeaea00ea, 0xaeae00ae, 0x23230023, 0x6b6b006b, 0x45450045, 0xa5a500a5, 0xeded00ed, 0x4f4f004f, 0x1d1d001d, 0x92920092, 0x86860086, 0xafaf00af, 0x7c7c007c, 0x1f1f001f, 0x3e3e003e, 0xdcdc00dc, 0x5e5e005e, 0x0b0b000b, 0xa6a600a6, 0x39390039, 0xd5d500d5, 0x5d5d005d, 0xd9d900d9, 0x5a5a005a, 0x51510051, 0x6c6c006c, 0x8b8b008b, 0x9a9a009a, 0xfbfb00fb, 0xb0b000b0, 0x74740074, 0x2b2b002b, 0xf0f000f0, 0x84840084, 0xdfdf00df, 0xcbcb00cb, 0x34340034, 0x76760076, 0x6d6d006d, 0xa9a900a9, 0xd1d100d1, 0x04040004, 0x14140014, 0x3a3a003a, 0xdede00de, 0x11110011, 0x32320032, 0x9c9c009c, 0x53530053, 0xf2f200f2, 0xfefe00fe, 0xcfcf00cf, 0xc3c300c3, 0x7a7a007a, 0x24240024, 0xe8e800e8, 0x60600060, 0x69690069, 0xaaaa00aa, 0xa0a000a0, 0xa1a100a1, 0x62620062, 0x54540054, 0x1e1e001e, 0xe0e000e0, 0x64640064, 0x10100010, 0x00000000, 0xa3a300a3, 0x75750075, 0x8a8a008a, 0xe6e600e6, 0x09090009, 0xdddd00dd, 0x87870087, 0x83830083, 0xcdcd00cd, 0x90900090, 0x73730073, 0xf6f600f6, 0x9d9d009d, 0xbfbf00bf, 0x52520052, 0xd8d800d8, 0xc8c800c8, 0xc6c600c6, 0x81810081, 0x6f6f006f, 0x13130013, 0x63630063, 0xe9e900e9, 0xa7a700a7, 0x9f9f009f, 0xbcbc00bc, 0x29290029, 0xf9f900f9, 0x2f2f002f, 0xb4b400b4, 0x78780078, 0x06060006, 0xe7e700e7, 0x71710071, 0xd4d400d4, 0xabab00ab, 0x88880088, 0x8d8d008d, 0x72720072, 0xb9b900b9, 0xf8f800f8, 0xacac00ac, 0x36360036, 0x2a2a002a, 0x3c3c003c, 0xf1f100f1, 0x40400040, 0xd3d300d3, 0xbbbb00bb, 0x43430043, 0x15150015, 0xadad00ad, 0x77770077, 0x80800080, 0x82820082, 0xecec00ec, 0x27270027, 0xe5e500e5, 0x85850085, 0x35350035, 0x0c0c000c, 0x41410041, 0xefef00ef, 0x93930093, 0x19190019, 0x21210021, 0x0e0e000e, 0x4e4e004e, 0x65650065, 0xbdbd00bd, 0xb8b800b8, 0x8f8f008f, 0xebeb00eb, 0xcece00ce, 0x30300030, 0x5f5f005f, 0xc5c500c5, 0x1a1a001a, 0xe1e100e1, 0xcaca00ca, 0x47470047, 0x3d3d003d, 0x01010001, 0xd6d600d6, 0x56560056, 0x4d4d004d, 0x0d0d000d, 0x66660066, 0xcccc00cc, 0x2d2d002d, 0x12120012, 0x20200020, 0xb1b100b1, 0x99990099, 0x4c4c004c, 0xc2c200c2, 0x7e7e007e, 0x05050005, 0xb7b700b7, 0x31310031, 0x17170017, 0xd7d700d7, 0x58580058, 0x61610061, 0x1b1b001b, 0x1c1c001c, 0x0f0f000f, 0x16160016, 0x18180018, 0x22220022, 0x44440044, 0xb2b200b2, 0xb5b500b5, 0x91910091, 0x08080008, 0xa8a800a8, 0xfcfc00fc, 0x50500050, 0xd0d000d0, 0x7d7d007d, 0x89890089, 0x97970097, 0x5b5b005b, 0x95950095, 0xffff00ff, 0xd2d200d2, 0xc4c400c4, 0x48480048, 0xf7f700f7, 0xdbdb00db, 0x03030003, 0xdada00da, 0x3f3f003f, 0x94940094, 0x5c5c005c, 0x02020002, 0x4a4a004a, 0x33330033, 0x67670067, 0xf3f300f3, 0x7f7f007f, 0xe2e200e2, 0x9b9b009b, 0x26260026, 0x37370037, 0x3b3b003b, 0x96960096, 0x4b4b004b, 0xbebe00be, 0x2e2e002e, 0x79790079, 0x8c8c008c, 0x6e6e006e, 0x8e8e008e, 0xf5f500f5, 0xb6b600b6, 0xfdfd00fd, 0x59590059, 0x98980098, 0x6a6a006a, 0x46460046, 0xbaba00ba, 0x25250025, 0x42420042, 0xa2a200a2, 0xfafa00fa, 0x07070007, 0x55550055, 0xeeee00ee, 0x0a0a000a, 0x49490049, 0x68680068, 0x38380038, 0xa4a400a4, 0x28280028, 0x7b7b007b, 0xc9c900c9, 0xc1c100c1, 0xe3e300e3, 0xf4f400f4, 0xc7c700c7, 0x9e9e009e, |
d64beac05 [CRYPTO] camellia... |
307 |
}; |
1721a8125 [CRYPTO] camellia... |
308 309 310 311 |
#define CAMELLIA_MIN_KEY_SIZE 16 #define CAMELLIA_MAX_KEY_SIZE 32 #define CAMELLIA_BLOCK_SIZE 16 #define CAMELLIA_TABLE_BYTE_LEN 272 |
2ddae4a64 [CRYPTO] camellia... |
312 313 314 315 316 |
/* * NB: L and R below stand for 'left' and 'right' as in written numbers. * That is, in (xxxL,xxxR) pair xxxL holds most significant digits, * _not_ least significant ones! */ |
1721a8125 [CRYPTO] camellia... |
317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 |
/* key constants */ #define CAMELLIA_SIGMA1L (0xA09E667FL) #define CAMELLIA_SIGMA1R (0x3BCC908BL) #define CAMELLIA_SIGMA2L (0xB67AE858L) #define CAMELLIA_SIGMA2R (0x4CAA73B2L) #define CAMELLIA_SIGMA3L (0xC6EF372FL) #define CAMELLIA_SIGMA3R (0xE94F82BEL) #define CAMELLIA_SIGMA4L (0x54FF53A5L) #define CAMELLIA_SIGMA4R (0xF1D36F1CL) #define CAMELLIA_SIGMA5L (0x10E527FAL) #define CAMELLIA_SIGMA5R (0xDE682D1DL) #define CAMELLIA_SIGMA6L (0xB05688C2L) #define CAMELLIA_SIGMA6R (0xB3E6C1FDL) /* * macros */ |
e2861a71c crypto: camellia ... |
336 |
#define ROLDQ(ll, lr, rl, rr, w0, w1, bits) ({ \ |
1721a8125 [CRYPTO] camellia... |
337 338 339 340 341 |
w0 = ll; \ ll = (ll << bits) + (lr >> (32 - bits)); \ lr = (lr << bits) + (rl >> (32 - bits)); \ rl = (rl << bits) + (rr >> (32 - bits)); \ rr = (rr << bits) + (w0 >> (32 - bits)); \ |
e2861a71c crypto: camellia ... |
342 |
}) |
1721a8125 [CRYPTO] camellia... |
343 |
|
e2861a71c crypto: camellia ... |
344 |
#define ROLDQo32(ll, lr, rl, rr, w0, w1, bits) ({ \ |
1721a8125 [CRYPTO] camellia... |
345 346 347 348 349 350 |
w0 = ll; \ w1 = lr; \ ll = (lr << (bits - 32)) + (rl >> (64 - bits)); \ lr = (rl << (bits - 32)) + (rr >> (64 - bits)); \ rl = (rr << (bits - 32)) + (w0 >> (64 - bits)); \ rr = (w0 << (bits - 32)) + (w1 >> (64 - bits)); \ |
e2861a71c crypto: camellia ... |
351 |
}) |
1721a8125 [CRYPTO] camellia... |
352 |
|
e2861a71c crypto: camellia ... |
353 |
#define CAMELLIA_F(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) ({ \ |
1721a8125 [CRYPTO] camellia... |
354 355 356 357 |
il = xl ^ kl; \ ir = xr ^ kr; \ t0 = il >> 16; \ t1 = ir >> 16; \ |
e2861a71c crypto: camellia ... |
358 359 360 |
yl = camellia_sp1110[(u8)(ir)] \ ^ camellia_sp0222[(u8)(t1 >> 8)] \ ^ camellia_sp3033[(u8)(t1)] \ |
2ddae4a64 [CRYPTO] camellia... |
361 |
^ camellia_sp4404[(u8)(ir >> 8)]; \ |
e2861a71c crypto: camellia ... |
362 363 |
yr = camellia_sp1110[(u8)(t0 >> 8)] \ ^ camellia_sp0222[(u8)(t0)] \ |
2ddae4a64 [CRYPTO] camellia... |
364 |
^ camellia_sp3033[(u8)(il >> 8)] \ |
e2861a71c crypto: camellia ... |
365 |
^ camellia_sp4404[(u8)(il)]; \ |
1721a8125 [CRYPTO] camellia... |
366 |
yl ^= yr; \ |
32bd78e0a crypto: camellia ... |
367 |
yr = ror32(yr, 8); \ |
1721a8125 [CRYPTO] camellia... |
368 |
yr ^= yl; \ |
e2861a71c crypto: camellia ... |
369 |
}) |
1721a8125 [CRYPTO] camellia... |
370 |
|
3a5e5f810 [CRYPTO] camellia... |
371 372 |
#define SUBKEY_L(INDEX) (subkey[(INDEX)*2]) #define SUBKEY_R(INDEX) (subkey[(INDEX)*2 + 1]) |
d64beac05 [CRYPTO] camellia... |
373 |
|
dedcf8b06 [CRYPTO] camellia... |
374 |
static void camellia_setup_tail(u32 *subkey, u32 *subL, u32 *subR, int max) |
d3e748057 [CRYPTO] camellia... |
375 |
{ |
dedcf8b06 [CRYPTO] camellia... |
376 |
u32 dw, tl, tr; |
ff85a8082 [CRYPTO] camellia... |
377 |
u32 kw4l, kw4r; |
dedcf8b06 [CRYPTO] camellia... |
378 |
|
ff85a8082 [CRYPTO] camellia... |
379 380 381 382 383 384 385 386 |
/* absorb kw2 to other subkeys */ /* round 2 */ subL[3] ^= subL[1]; subR[3] ^= subR[1]; /* round 4 */ subL[5] ^= subL[1]; subR[5] ^= subR[1]; /* round 6 */ subL[7] ^= subL[1]; subR[7] ^= subR[1]; subL[1] ^= subR[1] & ~subR[9]; |
452ec0498 crypto: camellia_... |
387 388 |
dw = subL[1] & subL[9]; subR[1] ^= rol32(dw, 1); /* modified for FLinv(kl2) */ |
ff85a8082 [CRYPTO] camellia... |
389 390 391 392 393 394 395 |
/* round 8 */ subL[11] ^= subL[1]; subR[11] ^= subR[1]; /* round 10 */ subL[13] ^= subL[1]; subR[13] ^= subR[1]; /* round 12 */ subL[15] ^= subL[1]; subR[15] ^= subR[1]; subL[1] ^= subR[1] & ~subR[17]; |
452ec0498 crypto: camellia_... |
396 397 |
dw = subL[1] & subL[17]; subR[1] ^= rol32(dw, 1); /* modified for FLinv(kl4) */ |
ff85a8082 [CRYPTO] camellia... |
398 399 400 401 402 403 404 405 406 407 408 409 410 411 |
/* round 14 */ subL[19] ^= subL[1]; subR[19] ^= subR[1]; /* round 16 */ subL[21] ^= subL[1]; subR[21] ^= subR[1]; /* round 18 */ subL[23] ^= subL[1]; subR[23] ^= subR[1]; if (max == 24) { /* kw3 */ subL[24] ^= subL[1]; subR[24] ^= subR[1]; /* absorb kw4 to other subkeys */ kw4l = subL[25]; kw4r = subR[25]; } else { subL[1] ^= subR[1] & ~subR[25]; |
452ec0498 crypto: camellia_... |
412 413 |
dw = subL[1] & subL[25]; subR[1] ^= rol32(dw, 1); /* modified for FLinv(kl6) */ |
ff85a8082 [CRYPTO] camellia... |
414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 |
/* round 20 */ subL[27] ^= subL[1]; subR[27] ^= subR[1]; /* round 22 */ subL[29] ^= subL[1]; subR[29] ^= subR[1]; /* round 24 */ subL[31] ^= subL[1]; subR[31] ^= subR[1]; /* kw3 */ subL[32] ^= subL[1]; subR[32] ^= subR[1]; /* absorb kw4 to other subkeys */ kw4l = subL[33]; kw4r = subR[33]; /* round 23 */ subL[30] ^= kw4l; subR[30] ^= kw4r; /* round 21 */ subL[28] ^= kw4l; subR[28] ^= kw4r; /* round 19 */ subL[26] ^= kw4l; subR[26] ^= kw4r; kw4l ^= kw4r & ~subR[24]; |
452ec0498 crypto: camellia_... |
432 433 |
dw = kw4l & subL[24]; kw4r ^= rol32(dw, 1); /* modified for FL(kl5) */ |
ff85a8082 [CRYPTO] camellia... |
434 435 436 437 438 439 440 441 |
} /* round 17 */ subL[22] ^= kw4l; subR[22] ^= kw4r; /* round 15 */ subL[20] ^= kw4l; subR[20] ^= kw4r; /* round 13 */ subL[18] ^= kw4l; subR[18] ^= kw4r; kw4l ^= kw4r & ~subR[16]; |
452ec0498 crypto: camellia_... |
442 443 |
dw = kw4l & subL[16]; kw4r ^= rol32(dw, 1); /* modified for FL(kl3) */ |
ff85a8082 [CRYPTO] camellia... |
444 445 446 447 448 449 450 |
/* round 11 */ subL[14] ^= kw4l; subR[14] ^= kw4r; /* round 9 */ subL[12] ^= kw4l; subR[12] ^= kw4r; /* round 7 */ subL[10] ^= kw4l; subR[10] ^= kw4r; kw4l ^= kw4r & ~subR[8]; |
452ec0498 crypto: camellia_... |
451 452 |
dw = kw4l & subL[8]; kw4r ^= rol32(dw, 1); /* modified for FL(kl1) */ |
ff85a8082 [CRYPTO] camellia... |
453 454 455 456 457 458 459 460 |
/* round 5 */ subL[6] ^= kw4l; subR[6] ^= kw4r; /* round 3 */ subL[4] ^= kw4l; subR[4] ^= kw4r; /* round 1 */ subL[2] ^= kw4l; subR[2] ^= kw4r; /* kw1 */ subL[0] ^= kw4l; subR[0] ^= kw4r; |
dedcf8b06 [CRYPTO] camellia... |
461 462 463 464 465 466 467 468 469 470 471 472 473 474 |
/* key XOR is end of F-function */ SUBKEY_L(0) = subL[0] ^ subL[2];/* kw1 */ SUBKEY_R(0) = subR[0] ^ subR[2]; SUBKEY_L(2) = subL[3]; /* round 1 */ SUBKEY_R(2) = subR[3]; SUBKEY_L(3) = subL[2] ^ subL[4]; /* round 2 */ SUBKEY_R(3) = subR[2] ^ subR[4]; SUBKEY_L(4) = subL[3] ^ subL[5]; /* round 3 */ SUBKEY_R(4) = subR[3] ^ subR[5]; SUBKEY_L(5) = subL[4] ^ subL[6]; /* round 4 */ SUBKEY_R(5) = subR[4] ^ subR[6]; SUBKEY_L(6) = subL[5] ^ subL[7]; /* round 5 */ SUBKEY_R(6) = subR[5] ^ subR[7]; tl = subL[10] ^ (subR[10] & ~subR[8]); |
452ec0498 crypto: camellia_... |
475 476 |
dw = tl & subL[8]; /* FL(kl1) */ tr = subR[10] ^ rol32(dw, 1); |
dedcf8b06 [CRYPTO] camellia... |
477 478 479 480 481 482 483 |
SUBKEY_L(7) = subL[6] ^ tl; /* round 6 */ SUBKEY_R(7) = subR[6] ^ tr; SUBKEY_L(8) = subL[8]; /* FL(kl1) */ SUBKEY_R(8) = subR[8]; SUBKEY_L(9) = subL[9]; /* FLinv(kl2) */ SUBKEY_R(9) = subR[9]; tl = subL[7] ^ (subR[7] & ~subR[9]); |
452ec0498 crypto: camellia_... |
484 485 |
dw = tl & subL[9]; /* FLinv(kl2) */ tr = subR[7] ^ rol32(dw, 1); |
dedcf8b06 [CRYPTO] camellia... |
486 487 488 489 490 491 492 493 494 495 496 |
SUBKEY_L(10) = tl ^ subL[11]; /* round 7 */ SUBKEY_R(10) = tr ^ subR[11]; SUBKEY_L(11) = subL[10] ^ subL[12]; /* round 8 */ SUBKEY_R(11) = subR[10] ^ subR[12]; SUBKEY_L(12) = subL[11] ^ subL[13]; /* round 9 */ SUBKEY_R(12) = subR[11] ^ subR[13]; SUBKEY_L(13) = subL[12] ^ subL[14]; /* round 10 */ SUBKEY_R(13) = subR[12] ^ subR[14]; SUBKEY_L(14) = subL[13] ^ subL[15]; /* round 11 */ SUBKEY_R(14) = subR[13] ^ subR[15]; tl = subL[18] ^ (subR[18] & ~subR[16]); |
452ec0498 crypto: camellia_... |
497 498 |
dw = tl & subL[16]; /* FL(kl3) */ tr = subR[18] ^ rol32(dw, 1); |
dedcf8b06 [CRYPTO] camellia... |
499 500 501 502 503 504 505 |
SUBKEY_L(15) = subL[14] ^ tl; /* round 12 */ SUBKEY_R(15) = subR[14] ^ tr; SUBKEY_L(16) = subL[16]; /* FL(kl3) */ SUBKEY_R(16) = subR[16]; SUBKEY_L(17) = subL[17]; /* FLinv(kl4) */ SUBKEY_R(17) = subR[17]; tl = subL[15] ^ (subR[15] & ~subR[17]); |
452ec0498 crypto: camellia_... |
506 507 |
dw = tl & subL[17]; /* FLinv(kl4) */ tr = subR[15] ^ rol32(dw, 1); |
dedcf8b06 [CRYPTO] camellia... |
508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 |
SUBKEY_L(18) = tl ^ subL[19]; /* round 13 */ SUBKEY_R(18) = tr ^ subR[19]; SUBKEY_L(19) = subL[18] ^ subL[20]; /* round 14 */ SUBKEY_R(19) = subR[18] ^ subR[20]; SUBKEY_L(20) = subL[19] ^ subL[21]; /* round 15 */ SUBKEY_R(20) = subR[19] ^ subR[21]; SUBKEY_L(21) = subL[20] ^ subL[22]; /* round 16 */ SUBKEY_R(21) = subR[20] ^ subR[22]; SUBKEY_L(22) = subL[21] ^ subL[23]; /* round 17 */ SUBKEY_R(22) = subR[21] ^ subR[23]; if (max == 24) { SUBKEY_L(23) = subL[22]; /* round 18 */ SUBKEY_R(23) = subR[22]; SUBKEY_L(24) = subL[24] ^ subL[23]; /* kw3 */ SUBKEY_R(24) = subR[24] ^ subR[23]; } else { tl = subL[26] ^ (subR[26] & ~subR[24]); |
452ec0498 crypto: camellia_... |
525 526 |
dw = tl & subL[24]; /* FL(kl5) */ tr = subR[26] ^ rol32(dw, 1); |
dedcf8b06 [CRYPTO] camellia... |
527 528 529 530 531 532 533 |
SUBKEY_L(23) = subL[22] ^ tl; /* round 18 */ SUBKEY_R(23) = subR[22] ^ tr; SUBKEY_L(24) = subL[24]; /* FL(kl5) */ SUBKEY_R(24) = subR[24]; SUBKEY_L(25) = subL[25]; /* FLinv(kl6) */ SUBKEY_R(25) = subR[25]; tl = subL[23] ^ (subR[23] & ~subR[25]); |
452ec0498 crypto: camellia_... |
534 535 |
dw = tl & subL[25]; /* FLinv(kl6) */ tr = subR[23] ^ rol32(dw, 1); |
dedcf8b06 [CRYPTO] camellia... |
536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 |
SUBKEY_L(26) = tl ^ subL[27]; /* round 19 */ SUBKEY_R(26) = tr ^ subR[27]; SUBKEY_L(27) = subL[26] ^ subL[28]; /* round 20 */ SUBKEY_R(27) = subR[26] ^ subR[28]; SUBKEY_L(28) = subL[27] ^ subL[29]; /* round 21 */ SUBKEY_R(28) = subR[27] ^ subR[29]; SUBKEY_L(29) = subL[28] ^ subL[30]; /* round 22 */ SUBKEY_R(29) = subR[28] ^ subR[30]; SUBKEY_L(30) = subL[29] ^ subL[31]; /* round 23 */ SUBKEY_R(30) = subR[29] ^ subR[31]; SUBKEY_L(31) = subL[30]; /* round 24 */ SUBKEY_R(31) = subR[30]; SUBKEY_L(32) = subL[32] ^ subL[31]; /* kw3 */ SUBKEY_R(32) = subR[32] ^ subR[31]; } |
d3e748057 [CRYPTO] camellia... |
551 |
} |
d64beac05 [CRYPTO] camellia... |
552 553 554 555 |
static void camellia_setup128(const unsigned char *key, u32 *subkey) { u32 kll, klr, krl, krr; u32 il, ir, t0, t1, w0, w1; |
d64beac05 [CRYPTO] camellia... |
556 557 558 559 |
u32 subL[26]; u32 subR[26]; /** |
dedcf8b06 [CRYPTO] camellia... |
560 |
* k == kll || klr || krl || krr (|| is concatenation) |
d64beac05 [CRYPTO] camellia... |
561 |
*/ |
32bd78e0a crypto: camellia ... |
562 563 564 565 |
kll = get_unaligned_be32(key); klr = get_unaligned_be32(key + 4); krl = get_unaligned_be32(key + 8); krr = get_unaligned_be32(key + 12); |
1ce73e8d6 [CRYPTO] camellia... |
566 |
|
dedcf8b06 [CRYPTO] camellia... |
567 |
/* generate KL dependent subkeys */ |
d64beac05 [CRYPTO] camellia... |
568 |
/* kw1 */ |
1721a8125 [CRYPTO] camellia... |
569 |
subL[0] = kll; subR[0] = klr; |
d64beac05 [CRYPTO] camellia... |
570 |
/* kw2 */ |
1721a8125 [CRYPTO] camellia... |
571 |
subL[1] = krl; subR[1] = krr; |
d64beac05 [CRYPTO] camellia... |
572 |
/* rotation left shift 15bit */ |
3a5e5f810 [CRYPTO] camellia... |
573 |
ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
d64beac05 [CRYPTO] camellia... |
574 |
/* k3 */ |
1721a8125 [CRYPTO] camellia... |
575 |
subL[4] = kll; subR[4] = klr; |
d64beac05 [CRYPTO] camellia... |
576 |
/* k4 */ |
1721a8125 [CRYPTO] camellia... |
577 |
subL[5] = krl; subR[5] = krr; |
d64beac05 [CRYPTO] camellia... |
578 |
/* rotation left shift 15+30bit */ |
3a5e5f810 [CRYPTO] camellia... |
579 |
ROLDQ(kll, klr, krl, krr, w0, w1, 30); |
d64beac05 [CRYPTO] camellia... |
580 |
/* k7 */ |
1721a8125 [CRYPTO] camellia... |
581 |
subL[10] = kll; subR[10] = klr; |
d64beac05 [CRYPTO] camellia... |
582 |
/* k8 */ |
1721a8125 [CRYPTO] camellia... |
583 |
subL[11] = krl; subR[11] = krr; |
d64beac05 [CRYPTO] camellia... |
584 |
/* rotation left shift 15+30+15bit */ |
3a5e5f810 [CRYPTO] camellia... |
585 |
ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
d64beac05 [CRYPTO] camellia... |
586 |
/* k10 */ |
1721a8125 [CRYPTO] camellia... |
587 |
subL[13] = krl; subR[13] = krr; |
d64beac05 [CRYPTO] camellia... |
588 |
/* rotation left shift 15+30+15+17 bit */ |
3a5e5f810 [CRYPTO] camellia... |
589 |
ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
d64beac05 [CRYPTO] camellia... |
590 |
/* kl3 */ |
1721a8125 [CRYPTO] camellia... |
591 |
subL[16] = kll; subR[16] = klr; |
d64beac05 [CRYPTO] camellia... |
592 |
/* kl4 */ |
1721a8125 [CRYPTO] camellia... |
593 |
subL[17] = krl; subR[17] = krr; |
d64beac05 [CRYPTO] camellia... |
594 |
/* rotation left shift 15+30+15+17+17 bit */ |
3a5e5f810 [CRYPTO] camellia... |
595 |
ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
d64beac05 [CRYPTO] camellia... |
596 |
/* k13 */ |
1721a8125 [CRYPTO] camellia... |
597 |
subL[18] = kll; subR[18] = klr; |
d64beac05 [CRYPTO] camellia... |
598 |
/* k14 */ |
1721a8125 [CRYPTO] camellia... |
599 |
subL[19] = krl; subR[19] = krr; |
d64beac05 [CRYPTO] camellia... |
600 |
/* rotation left shift 15+30+15+17+17+17 bit */ |
3a5e5f810 [CRYPTO] camellia... |
601 |
ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
d64beac05 [CRYPTO] camellia... |
602 |
/* k17 */ |
1721a8125 [CRYPTO] camellia... |
603 |
subL[22] = kll; subR[22] = klr; |
d64beac05 [CRYPTO] camellia... |
604 |
/* k18 */ |
1721a8125 [CRYPTO] camellia... |
605 |
subL[23] = krl; subR[23] = krr; |
d64beac05 [CRYPTO] camellia... |
606 607 |
/* generate KA */ |
1721a8125 [CRYPTO] camellia... |
608 609 |
kll = subL[0]; klr = subR[0]; krl = subL[1]; krr = subR[1]; |
d64beac05 [CRYPTO] camellia... |
610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 |
CAMELLIA_F(kll, klr, CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R, w0, w1, il, ir, t0, t1); krl ^= w0; krr ^= w1; CAMELLIA_F(krl, krr, CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R, kll, klr, il, ir, t0, t1); /* current status == (kll, klr, w0, w1) */ CAMELLIA_F(kll, klr, CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R, krl, krr, il, ir, t0, t1); krl ^= w0; krr ^= w1; CAMELLIA_F(krl, krr, CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R, w0, w1, il, ir, t0, t1); kll ^= w0; klr ^= w1; /* generate KA dependent subkeys */ /* k1, k2 */ |
1721a8125 [CRYPTO] camellia... |
629 630 |
subL[2] = kll; subR[2] = klr; subL[3] = krl; subR[3] = krr; |
3a5e5f810 [CRYPTO] camellia... |
631 |
ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
d64beac05 [CRYPTO] camellia... |
632 |
/* k5,k6 */ |
1721a8125 [CRYPTO] camellia... |
633 634 |
subL[6] = kll; subR[6] = klr; subL[7] = krl; subR[7] = krr; |
3a5e5f810 [CRYPTO] camellia... |
635 |
ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
d64beac05 [CRYPTO] camellia... |
636 |
/* kl1, kl2 */ |
1721a8125 [CRYPTO] camellia... |
637 638 |
subL[8] = kll; subR[8] = klr; subL[9] = krl; subR[9] = krr; |
3a5e5f810 [CRYPTO] camellia... |
639 |
ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
d64beac05 [CRYPTO] camellia... |
640 |
/* k9 */ |
1721a8125 [CRYPTO] camellia... |
641 |
subL[12] = kll; subR[12] = klr; |
3a5e5f810 [CRYPTO] camellia... |
642 |
ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
d64beac05 [CRYPTO] camellia... |
643 |
/* k11, k12 */ |
1721a8125 [CRYPTO] camellia... |
644 645 |
subL[14] = kll; subR[14] = klr; subL[15] = krl; subR[15] = krr; |
3a5e5f810 [CRYPTO] camellia... |
646 |
ROLDQo32(kll, klr, krl, krr, w0, w1, 34); |
d64beac05 [CRYPTO] camellia... |
647 |
/* k15, k16 */ |
1721a8125 [CRYPTO] camellia... |
648 649 |
subL[20] = kll; subR[20] = klr; subL[21] = krl; subR[21] = krr; |
3a5e5f810 [CRYPTO] camellia... |
650 |
ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
d64beac05 [CRYPTO] camellia... |
651 |
/* kw3, kw4 */ |
1721a8125 [CRYPTO] camellia... |
652 653 |
subL[24] = kll; subR[24] = klr; subL[25] = krl; subR[25] = krr; |
d64beac05 [CRYPTO] camellia... |
654 |
|
dedcf8b06 [CRYPTO] camellia... |
655 |
camellia_setup_tail(subkey, subL, subR, 24); |
d64beac05 [CRYPTO] camellia... |
656 |
} |
d64beac05 [CRYPTO] camellia... |
657 658 |
static void camellia_setup256(const unsigned char *key, u32 *subkey) { |
1ce73e8d6 [CRYPTO] camellia... |
659 660 |
u32 kll, klr, krl, krr; /* left half of key */ u32 krll, krlr, krrl, krrr; /* right half of key */ |
d64beac05 [CRYPTO] camellia... |
661 |
u32 il, ir, t0, t1, w0, w1; /* temporary variables */ |
d64beac05 [CRYPTO] camellia... |
662 663 664 665 666 |
u32 subL[34]; u32 subR[34]; /** * key = (kll || klr || krl || krr || krll || krlr || krrl || krrr) |
dedcf8b06 [CRYPTO] camellia... |
667 |
* (|| is concatenation) |
d64beac05 [CRYPTO] camellia... |
668 |
*/ |
32bd78e0a crypto: camellia ... |
669 670 671 672 673 674 675 676 |
kll = get_unaligned_be32(key); klr = get_unaligned_be32(key + 4); krl = get_unaligned_be32(key + 8); krr = get_unaligned_be32(key + 12); krll = get_unaligned_be32(key + 16); krlr = get_unaligned_be32(key + 20); krrl = get_unaligned_be32(key + 24); krrr = get_unaligned_be32(key + 28); |
d64beac05 [CRYPTO] camellia... |
677 678 679 |
/* generate KL dependent subkeys */ /* kw1 */ |
1721a8125 [CRYPTO] camellia... |
680 |
subL[0] = kll; subR[0] = klr; |
d64beac05 [CRYPTO] camellia... |
681 |
/* kw2 */ |
1721a8125 [CRYPTO] camellia... |
682 |
subL[1] = krl; subR[1] = krr; |
3a5e5f810 [CRYPTO] camellia... |
683 |
ROLDQo32(kll, klr, krl, krr, w0, w1, 45); |
d64beac05 [CRYPTO] camellia... |
684 |
/* k9 */ |
1721a8125 [CRYPTO] camellia... |
685 |
subL[12] = kll; subR[12] = klr; |
d64beac05 [CRYPTO] camellia... |
686 |
/* k10 */ |
1721a8125 [CRYPTO] camellia... |
687 |
subL[13] = krl; subR[13] = krr; |
3a5e5f810 [CRYPTO] camellia... |
688 |
ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
d64beac05 [CRYPTO] camellia... |
689 |
/* kl3 */ |
1721a8125 [CRYPTO] camellia... |
690 |
subL[16] = kll; subR[16] = klr; |
d64beac05 [CRYPTO] camellia... |
691 |
/* kl4 */ |
1721a8125 [CRYPTO] camellia... |
692 |
subL[17] = krl; subR[17] = krr; |
3a5e5f810 [CRYPTO] camellia... |
693 |
ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
d64beac05 [CRYPTO] camellia... |
694 |
/* k17 */ |
1721a8125 [CRYPTO] camellia... |
695 |
subL[22] = kll; subR[22] = klr; |
d64beac05 [CRYPTO] camellia... |
696 |
/* k18 */ |
1721a8125 [CRYPTO] camellia... |
697 |
subL[23] = krl; subR[23] = krr; |
3a5e5f810 [CRYPTO] camellia... |
698 |
ROLDQo32(kll, klr, krl, krr, w0, w1, 34); |
d64beac05 [CRYPTO] camellia... |
699 |
/* k23 */ |
1721a8125 [CRYPTO] camellia... |
700 |
subL[30] = kll; subR[30] = klr; |
d64beac05 [CRYPTO] camellia... |
701 |
/* k24 */ |
1721a8125 [CRYPTO] camellia... |
702 |
subL[31] = krl; subR[31] = krr; |
d64beac05 [CRYPTO] camellia... |
703 704 |
/* generate KR dependent subkeys */ |
3a5e5f810 [CRYPTO] camellia... |
705 |
ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); |
d64beac05 [CRYPTO] camellia... |
706 |
/* k3 */ |
1721a8125 [CRYPTO] camellia... |
707 |
subL[4] = krll; subR[4] = krlr; |
d64beac05 [CRYPTO] camellia... |
708 |
/* k4 */ |
1721a8125 [CRYPTO] camellia... |
709 |
subL[5] = krrl; subR[5] = krrr; |
3a5e5f810 [CRYPTO] camellia... |
710 |
ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); |
d64beac05 [CRYPTO] camellia... |
711 |
/* kl1 */ |
1721a8125 [CRYPTO] camellia... |
712 |
subL[8] = krll; subR[8] = krlr; |
d64beac05 [CRYPTO] camellia... |
713 |
/* kl2 */ |
1721a8125 [CRYPTO] camellia... |
714 |
subL[9] = krrl; subR[9] = krrr; |
3a5e5f810 [CRYPTO] camellia... |
715 |
ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
d64beac05 [CRYPTO] camellia... |
716 |
/* k13 */ |
1721a8125 [CRYPTO] camellia... |
717 |
subL[18] = krll; subR[18] = krlr; |
d64beac05 [CRYPTO] camellia... |
718 |
/* k14 */ |
1721a8125 [CRYPTO] camellia... |
719 |
subL[19] = krrl; subR[19] = krrr; |
3a5e5f810 [CRYPTO] camellia... |
720 |
ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); |
d64beac05 [CRYPTO] camellia... |
721 |
/* k19 */ |
1721a8125 [CRYPTO] camellia... |
722 |
subL[26] = krll; subR[26] = krlr; |
d64beac05 [CRYPTO] camellia... |
723 |
/* k20 */ |
1721a8125 [CRYPTO] camellia... |
724 |
subL[27] = krrl; subR[27] = krrr; |
3a5e5f810 [CRYPTO] camellia... |
725 |
ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); |
d64beac05 [CRYPTO] camellia... |
726 727 |
/* generate KA */ |
1721a8125 [CRYPTO] camellia... |
728 729 |
kll = subL[0] ^ krll; klr = subR[0] ^ krlr; krl = subL[1] ^ krrl; krr = subR[1] ^ krrr; |
d64beac05 [CRYPTO] camellia... |
730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 |
CAMELLIA_F(kll, klr, CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R, w0, w1, il, ir, t0, t1); krl ^= w0; krr ^= w1; CAMELLIA_F(krl, krr, CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R, kll, klr, il, ir, t0, t1); kll ^= krll; klr ^= krlr; CAMELLIA_F(kll, klr, CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R, krl, krr, il, ir, t0, t1); krl ^= w0 ^ krrl; krr ^= w1 ^ krrr; CAMELLIA_F(krl, krr, CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R, w0, w1, il, ir, t0, t1); kll ^= w0; klr ^= w1; /* generate KB */ krll ^= kll; krlr ^= klr; krrl ^= krl; krrr ^= krr; CAMELLIA_F(krll, krlr, CAMELLIA_SIGMA5L, CAMELLIA_SIGMA5R, w0, w1, il, ir, t0, t1); krrl ^= w0; krrr ^= w1; CAMELLIA_F(krrl, krrr, CAMELLIA_SIGMA6L, CAMELLIA_SIGMA6R, w0, w1, il, ir, t0, t1); krll ^= w0; krlr ^= w1; /* generate KA dependent subkeys */ |
3a5e5f810 [CRYPTO] camellia... |
760 |
ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
d64beac05 [CRYPTO] camellia... |
761 |
/* k5 */ |
1721a8125 [CRYPTO] camellia... |
762 |
subL[6] = kll; subR[6] = klr; |
d64beac05 [CRYPTO] camellia... |
763 |
/* k6 */ |
1721a8125 [CRYPTO] camellia... |
764 |
subL[7] = krl; subR[7] = krr; |
3a5e5f810 [CRYPTO] camellia... |
765 |
ROLDQ(kll, klr, krl, krr, w0, w1, 30); |
d64beac05 [CRYPTO] camellia... |
766 |
/* k11 */ |
1721a8125 [CRYPTO] camellia... |
767 |
subL[14] = kll; subR[14] = klr; |
d64beac05 [CRYPTO] camellia... |
768 |
/* k12 */ |
1721a8125 [CRYPTO] camellia... |
769 |
subL[15] = krl; subR[15] = krr; |
d64beac05 [CRYPTO] camellia... |
770 771 |
/* rotation left shift 32bit */ /* kl5 */ |
1721a8125 [CRYPTO] camellia... |
772 |
subL[24] = klr; subR[24] = krl; |
d64beac05 [CRYPTO] camellia... |
773 |
/* kl6 */ |
1721a8125 [CRYPTO] camellia... |
774 |
subL[25] = krr; subR[25] = kll; |
d64beac05 [CRYPTO] camellia... |
775 |
/* rotation left shift 49 from k11,k12 -> k21,k22 */ |
3a5e5f810 [CRYPTO] camellia... |
776 |
ROLDQo32(kll, klr, krl, krr, w0, w1, 49); |
d64beac05 [CRYPTO] camellia... |
777 |
/* k21 */ |
1721a8125 [CRYPTO] camellia... |
778 |
subL[28] = kll; subR[28] = klr; |
d64beac05 [CRYPTO] camellia... |
779 |
/* k22 */ |
1721a8125 [CRYPTO] camellia... |
780 |
subL[29] = krl; subR[29] = krr; |
d64beac05 [CRYPTO] camellia... |
781 782 783 |
/* generate KB dependent subkeys */ /* k1 */ |
1721a8125 [CRYPTO] camellia... |
784 |
subL[2] = krll; subR[2] = krlr; |
d64beac05 [CRYPTO] camellia... |
785 |
/* k2 */ |
1721a8125 [CRYPTO] camellia... |
786 |
subL[3] = krrl; subR[3] = krrr; |
3a5e5f810 [CRYPTO] camellia... |
787 |
ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
d64beac05 [CRYPTO] camellia... |
788 |
/* k7 */ |
1721a8125 [CRYPTO] camellia... |
789 |
subL[10] = krll; subR[10] = krlr; |
d64beac05 [CRYPTO] camellia... |
790 |
/* k8 */ |
1721a8125 [CRYPTO] camellia... |
791 |
subL[11] = krrl; subR[11] = krrr; |
3a5e5f810 [CRYPTO] camellia... |
792 |
ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
d64beac05 [CRYPTO] camellia... |
793 |
/* k15 */ |
1721a8125 [CRYPTO] camellia... |
794 |
subL[20] = krll; subR[20] = krlr; |
d64beac05 [CRYPTO] camellia... |
795 |
/* k16 */ |
1721a8125 [CRYPTO] camellia... |
796 |
subL[21] = krrl; subR[21] = krrr; |
3a5e5f810 [CRYPTO] camellia... |
797 |
ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 51); |
d64beac05 [CRYPTO] camellia... |
798 |
/* kw3 */ |
1721a8125 [CRYPTO] camellia... |
799 |
subL[32] = krll; subR[32] = krlr; |
d64beac05 [CRYPTO] camellia... |
800 |
/* kw4 */ |
1721a8125 [CRYPTO] camellia... |
801 |
subL[33] = krrl; subR[33] = krrr; |
d64beac05 [CRYPTO] camellia... |
802 |
|
dedcf8b06 [CRYPTO] camellia... |
803 |
camellia_setup_tail(subkey, subL, subR, 32); |
d64beac05 [CRYPTO] camellia... |
804 805 806 807 808 |
} static void camellia_setup192(const unsigned char *key, u32 *subkey) { unsigned char kk[32]; |
621dd3692 crypto: camellia ... |
809 |
u32 krll, krlr, krrl, krrr; |
d64beac05 [CRYPTO] camellia... |
810 811 |
memcpy(kk, key, 24); |
1721a8125 [CRYPTO] camellia... |
812 813 |
memcpy((unsigned char *)&krll, key+16, 4); memcpy((unsigned char *)&krlr, key+20, 4); |
d64beac05 [CRYPTO] camellia... |
814 815 816 817 818 |
krrl = ~krll; krrr = ~krlr; memcpy(kk+24, (unsigned char *)&krrl, 4); memcpy(kk+28, (unsigned char *)&krrr, 4); camellia_setup256(kk, subkey); |
d64beac05 [CRYPTO] camellia... |
819 |
} |
2ddae4a64 [CRYPTO] camellia... |
820 821 822 |
/* * Encrypt/decrypt */ |
e2861a71c crypto: camellia ... |
823 |
#define CAMELLIA_FLS(ll, lr, rl, rr, kll, klr, krl, krr, t0, t1, t2, t3) ({ \ |
2ddae4a64 [CRYPTO] camellia... |
824 825 826 827 828 |
t0 = kll; \ t2 = krr; \ t0 &= ll; \ t2 |= rr; \ rl ^= t2; \ |
32bd78e0a crypto: camellia ... |
829 |
lr ^= rol32(t0, 1); \ |
2ddae4a64 [CRYPTO] camellia... |
830 831 832 833 834 |
t3 = krl; \ t1 = klr; \ t3 &= rl; \ t1 |= lr; \ ll ^= t1; \ |
32bd78e0a crypto: camellia ... |
835 |
rr ^= rol32(t3, 1); \ |
e2861a71c crypto: camellia ... |
836 |
}) |
2ddae4a64 [CRYPTO] camellia... |
837 |
|
e2861a71c crypto: camellia ... |
838 |
#define CAMELLIA_ROUNDSM(xl, xr, kl, kr, yl, yr, il, ir) ({ \ |
c9b56d33b crypto: camellia ... |
839 840 |
yl ^= kl; \ yr ^= kr; \ |
2ddae4a64 [CRYPTO] camellia... |
841 |
ir = camellia_sp1110[(u8)xr]; \ |
e2861a71c crypto: camellia ... |
842 843 |
il = camellia_sp1110[(u8)(xl >> 24)]; \ ir ^= camellia_sp0222[(u8)(xr >> 24)]; \ |
2ddae4a64 [CRYPTO] camellia... |
844 845 846 847 848 |
il ^= camellia_sp0222[(u8)(xl >> 16)]; \ ir ^= camellia_sp3033[(u8)(xr >> 16)]; \ il ^= camellia_sp3033[(u8)(xl >> 8)]; \ ir ^= camellia_sp4404[(u8)(xr >> 8)]; \ il ^= camellia_sp4404[(u8)xl]; \ |
c9b56d33b crypto: camellia ... |
849 |
ir ^= il; \ |
2ddae4a64 [CRYPTO] camellia... |
850 |
yl ^= ir; \ |
e2861a71c crypto: camellia ... |
851 852 |
yr ^= ror32(il, 8) ^ ir; \ }) |
2ddae4a64 [CRYPTO] camellia... |
853 |
|
acca79a66 [CRYPTO] camellia... |
854 855 |
/* max = 24: 128bit encrypt, max = 32: 256bit encrypt */ static void camellia_do_encrypt(const u32 *subkey, u32 *io, unsigned max) |
d64beac05 [CRYPTO] camellia... |
856 |
{ |
621dd3692 crypto: camellia ... |
857 |
u32 il, ir, t0, t1; /* temporary variables */ |
d64beac05 [CRYPTO] camellia... |
858 |
|
1721a8125 [CRYPTO] camellia... |
859 |
/* pre whitening but absorb kw2 */ |
acca79a66 [CRYPTO] camellia... |
860 861 |
io[0] ^= SUBKEY_L(0); io[1] ^= SUBKEY_R(0); |
d64beac05 [CRYPTO] camellia... |
862 |
|
1721a8125 [CRYPTO] camellia... |
863 |
/* main iteration */ |
e2861a71c crypto: camellia ... |
864 |
#define ROUNDS(i) ({ \ |
621dd3692 crypto: camellia ... |
865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 |
CAMELLIA_ROUNDSM(io[0], io[1], \ SUBKEY_L(i + 2), SUBKEY_R(i + 2), \ io[2], io[3], il, ir); \ CAMELLIA_ROUNDSM(io[2], io[3], \ SUBKEY_L(i + 3), SUBKEY_R(i + 3), \ io[0], io[1], il, ir); \ CAMELLIA_ROUNDSM(io[0], io[1], \ SUBKEY_L(i + 4), SUBKEY_R(i + 4), \ io[2], io[3], il, ir); \ CAMELLIA_ROUNDSM(io[2], io[3], \ SUBKEY_L(i + 5), SUBKEY_R(i + 5), \ io[0], io[1], il, ir); \ CAMELLIA_ROUNDSM(io[0], io[1], \ SUBKEY_L(i + 6), SUBKEY_R(i + 6), \ io[2], io[3], il, ir); \ CAMELLIA_ROUNDSM(io[2], io[3], \ SUBKEY_L(i + 7), SUBKEY_R(i + 7), \ io[0], io[1], il, ir); \ |
e2861a71c crypto: camellia ... |
883 884 |
}) #define FLS(i) ({ \ |
621dd3692 crypto: camellia ... |
885 886 887 888 |
CAMELLIA_FLS(io[0], io[1], io[2], io[3], \ SUBKEY_L(i + 0), SUBKEY_R(i + 0), \ SUBKEY_L(i + 1), SUBKEY_R(i + 1), \ t0, t1, il, ir); \ |
e2861a71c crypto: camellia ... |
889 |
}) |
acca79a66 [CRYPTO] camellia... |
890 891 892 893 894 895 896 897 898 899 |
ROUNDS(0); FLS(8); ROUNDS(8); FLS(16); ROUNDS(16); if (max == 32) { FLS(24); ROUNDS(24); } |
d64beac05 [CRYPTO] camellia... |
900 |
|
acca79a66 [CRYPTO] camellia... |
901 902 |
#undef ROUNDS #undef FLS |
d64beac05 [CRYPTO] camellia... |
903 904 |
/* post whitening but kw4 */ |
acca79a66 [CRYPTO] camellia... |
905 906 907 |
io[2] ^= SUBKEY_L(max); io[3] ^= SUBKEY_R(max); /* NB: io[0],[1] should be swapped with [2],[3] by caller! */ |
d64beac05 [CRYPTO] camellia... |
908 |
} |
acca79a66 [CRYPTO] camellia... |
909 |
static void camellia_do_decrypt(const u32 *subkey, u32 *io, unsigned i) |
d64beac05 [CRYPTO] camellia... |
910 |
{ |
621dd3692 crypto: camellia ... |
911 |
u32 il, ir, t0, t1; /* temporary variables */ |
d64beac05 [CRYPTO] camellia... |
912 |
|
1721a8125 [CRYPTO] camellia... |
913 |
/* pre whitening but absorb kw2 */ |
acca79a66 [CRYPTO] camellia... |
914 915 |
io[0] ^= SUBKEY_L(i); io[1] ^= SUBKEY_R(i); |
d64beac05 [CRYPTO] camellia... |
916 917 |
/* main iteration */ |
e2861a71c crypto: camellia ... |
918 |
#define ROUNDS(i) ({ \ |
621dd3692 crypto: camellia ... |
919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 |
CAMELLIA_ROUNDSM(io[0], io[1], \ SUBKEY_L(i + 7), SUBKEY_R(i + 7), \ io[2], io[3], il, ir); \ CAMELLIA_ROUNDSM(io[2], io[3], \ SUBKEY_L(i + 6), SUBKEY_R(i + 6), \ io[0], io[1], il, ir); \ CAMELLIA_ROUNDSM(io[0], io[1], \ SUBKEY_L(i + 5), SUBKEY_R(i + 5), \ io[2], io[3], il, ir); \ CAMELLIA_ROUNDSM(io[2], io[3], \ SUBKEY_L(i + 4), SUBKEY_R(i + 4), \ io[0], io[1], il, ir); \ CAMELLIA_ROUNDSM(io[0], io[1], \ SUBKEY_L(i + 3), SUBKEY_R(i + 3), \ io[2], io[3], il, ir); \ CAMELLIA_ROUNDSM(io[2], io[3], \ SUBKEY_L(i + 2), SUBKEY_R(i + 2), \ io[0], io[1], il, ir); \ |
e2861a71c crypto: camellia ... |
937 938 |
}) #define FLS(i) ({ \ |
621dd3692 crypto: camellia ... |
939 940 941 942 |
CAMELLIA_FLS(io[0], io[1], io[2], io[3], \ SUBKEY_L(i + 1), SUBKEY_R(i + 1), \ SUBKEY_L(i + 0), SUBKEY_R(i + 0), \ t0, t1, il, ir); \ |
e2861a71c crypto: camellia ... |
943 |
}) |
acca79a66 [CRYPTO] camellia... |
944 945 946 947 948 949 950 951 952 953 |
if (i == 32) { ROUNDS(24); FLS(24); } ROUNDS(16); FLS(16); ROUNDS(8); FLS(8); ROUNDS(0); |
d64beac05 [CRYPTO] camellia... |
954 |
|
acca79a66 [CRYPTO] camellia... |
955 956 |
#undef ROUNDS #undef FLS |
d64beac05 [CRYPTO] camellia... |
957 958 |
/* post whitening but kw4 */ |
acca79a66 [CRYPTO] camellia... |
959 960 961 |
io[2] ^= SUBKEY_L(0); io[3] ^= SUBKEY_R(0); /* NB: 0,1 should be swapped with 2,3 by caller! */ |
d64beac05 [CRYPTO] camellia... |
962 |
} |
1721a8125 [CRYPTO] camellia... |
963 964 |
struct camellia_ctx { int key_length; |
2ddae4a64 [CRYPTO] camellia... |
965 |
u32 key_table[CAMELLIA_TABLE_BYTE_LEN / sizeof(u32)]; |
1721a8125 [CRYPTO] camellia... |
966 |
}; |
d64beac05 [CRYPTO] camellia... |
967 968 969 970 971 972 973 974 975 976 977 978 979 980 |
static int camellia_set_key(struct crypto_tfm *tfm, const u8 *in_key, unsigned int key_len) { struct camellia_ctx *cctx = crypto_tfm_ctx(tfm); const unsigned char *key = (const unsigned char *)in_key; u32 *flags = &tfm->crt_flags; if (key_len != 16 && key_len != 24 && key_len != 32) { *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; return -EINVAL; } cctx->key_length = key_len; |
1721a8125 [CRYPTO] camellia... |
981 |
switch (key_len) { |
d64beac05 [CRYPTO] camellia... |
982 983 984 985 986 987 988 989 990 |
case 16: camellia_setup128(key, cctx->key_table); break; case 24: camellia_setup192(key, cctx->key_table); break; case 32: camellia_setup256(key, cctx->key_table); break; |
d64beac05 [CRYPTO] camellia... |
991 992 993 994 |
} return 0; } |
d64beac05 [CRYPTO] camellia... |
995 996 997 998 999 |
static void camellia_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) { const struct camellia_ctx *cctx = crypto_tfm_ctx(tfm); const __be32 *src = (const __be32 *)in; __be32 *dst = (__be32 *)out; |
e2861a71c crypto: camellia ... |
1000 |
unsigned int max; |
d64beac05 [CRYPTO] camellia... |
1001 |
|
3a5e5f810 [CRYPTO] camellia... |
1002 |
u32 tmp[4]; |
d64beac05 [CRYPTO] camellia... |
1003 |
|
3a5e5f810 [CRYPTO] camellia... |
1004 1005 1006 1007 |
tmp[0] = be32_to_cpu(src[0]); tmp[1] = be32_to_cpu(src[1]); tmp[2] = be32_to_cpu(src[2]); tmp[3] = be32_to_cpu(src[3]); |
d64beac05 [CRYPTO] camellia... |
1008 |
|
e2861a71c crypto: camellia ... |
1009 1010 1011 1012 1013 1014 |
if (cctx->key_length == 16) max = 24; else max = 32; /* for key lengths of 24 and 32 */ camellia_do_encrypt(cctx->key_table, tmp, max); |
d64beac05 [CRYPTO] camellia... |
1015 |
|
acca79a66 [CRYPTO] camellia... |
1016 1017 1018 1019 1020 |
/* do_encrypt returns 0,1 swapped with 2,3 */ dst[0] = cpu_to_be32(tmp[2]); dst[1] = cpu_to_be32(tmp[3]); dst[2] = cpu_to_be32(tmp[0]); dst[3] = cpu_to_be32(tmp[1]); |
d64beac05 [CRYPTO] camellia... |
1021 |
} |
d64beac05 [CRYPTO] camellia... |
1022 1023 1024 1025 1026 |
static void camellia_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) { const struct camellia_ctx *cctx = crypto_tfm_ctx(tfm); const __be32 *src = (const __be32 *)in; __be32 *dst = (__be32 *)out; |
e2861a71c crypto: camellia ... |
1027 |
unsigned int max; |
d64beac05 [CRYPTO] camellia... |
1028 |
|
3a5e5f810 [CRYPTO] camellia... |
1029 |
u32 tmp[4]; |
d64beac05 [CRYPTO] camellia... |
1030 |
|
3a5e5f810 [CRYPTO] camellia... |
1031 1032 1033 1034 |
tmp[0] = be32_to_cpu(src[0]); tmp[1] = be32_to_cpu(src[1]); tmp[2] = be32_to_cpu(src[2]); tmp[3] = be32_to_cpu(src[3]); |
d64beac05 [CRYPTO] camellia... |
1035 |
|
e2861a71c crypto: camellia ... |
1036 1037 1038 1039 1040 1041 |
if (cctx->key_length == 16) max = 24; else max = 32; /* for key lengths of 24 and 32 */ camellia_do_decrypt(cctx->key_table, tmp, max); |
d64beac05 [CRYPTO] camellia... |
1042 |
|
acca79a66 [CRYPTO] camellia... |
1043 1044 1045 1046 1047 |
/* do_decrypt returns 0,1 swapped with 2,3 */ dst[0] = cpu_to_be32(tmp[2]); dst[1] = cpu_to_be32(tmp[3]); dst[2] = cpu_to_be32(tmp[0]); dst[3] = cpu_to_be32(tmp[1]); |
d64beac05 [CRYPTO] camellia... |
1048 |
} |
d64beac05 [CRYPTO] camellia... |
1049 1050 1051 1052 1053 1054 1055 1056 1057 |
static struct crypto_alg camellia_alg = { .cra_name = "camellia", .cra_driver_name = "camellia-generic", .cra_priority = 100, .cra_flags = CRYPTO_ALG_TYPE_CIPHER, .cra_blocksize = CAMELLIA_BLOCK_SIZE, .cra_ctxsize = sizeof(struct camellia_ctx), .cra_alignmask = 3, .cra_module = THIS_MODULE, |
d64beac05 [CRYPTO] camellia... |
1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 |
.cra_u = { .cipher = { .cia_min_keysize = CAMELLIA_MIN_KEY_SIZE, .cia_max_keysize = CAMELLIA_MAX_KEY_SIZE, .cia_setkey = camellia_set_key, .cia_encrypt = camellia_encrypt, .cia_decrypt = camellia_decrypt } } }; static int __init camellia_init(void) { return crypto_register_alg(&camellia_alg); } |
d64beac05 [CRYPTO] camellia... |
1073 1074 1075 1076 |
static void __exit camellia_fini(void) { crypto_unregister_alg(&camellia_alg); } |
d64beac05 [CRYPTO] camellia... |
1077 1078 |
module_init(camellia_init); module_exit(camellia_fini); |
d64beac05 [CRYPTO] camellia... |
1079 1080 |
MODULE_DESCRIPTION("Camellia Cipher Algorithm"); MODULE_LICENSE("GPL"); |
5d26a105b crypto: prefix mo... |
1081 |
MODULE_ALIAS_CRYPTO("camellia"); |
3e14dcf7c crypto: add missi... |
1082 |
MODULE_ALIAS_CRYPTO("camellia-generic"); |