Signed-off-by: Jussi Kivilinna <jussi.kivilinna@xxxxxxxx> --- crypto/Makefile | 1 crypto/camellia.c | 1102 --------------------------------------------- crypto/camellia_generic.c | 1102 +++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 1102 insertions(+), 1103 deletions(-) delete mode 100644 crypto/camellia.c create mode 100644 crypto/camellia_generic.c diff --git a/crypto/Makefile b/crypto/Makefile index 4355943..30f33d6 100644 --- a/crypto/Makefile +++ b/crypto/Makefile @@ -67,7 +67,6 @@ obj-$(CONFIG_CRYPTO_TWOFISH) += twofish_generic.o obj-$(CONFIG_CRYPTO_TWOFISH_COMMON) += twofish_common.o obj-$(CONFIG_CRYPTO_SERPENT) += serpent_generic.o obj-$(CONFIG_CRYPTO_AES) += aes_generic.o -camellia_generic-y = camellia.o obj-$(CONFIG_CRYPTO_CAMELLIA) += camellia_generic.o obj-$(CONFIG_CRYPTO_CAST5) += cast5.o obj-$(CONFIG_CRYPTO_CAST6) += cast6.o diff --git a/crypto/camellia.c b/crypto/camellia.c deleted file mode 100644 index f7aaaaf..0000000 --- a/crypto/camellia.c +++ /dev/null @@ -1,1102 +0,0 @@ -/* - * 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> -#include <linux/bitops.h> -#include <asm/unaligned.h> - -static const u32 camellia_sp1110[256] = { - 0x70707000, 0x82828200, 0x2c2c2c00, 0xececec00, - 0xb3b3b300, 0x27272700, 0xc0c0c000, 0xe5e5e500, - 0xe4e4e400, 0x85858500, 0x57575700, 0x35353500, - 0xeaeaea00, 0x0c0c0c00, 0xaeaeae00, 0x41414100, - 0x23232300, 0xefefef00, 0x6b6b6b00, 0x93939300, - 0x45454500, 0x19191900, 0xa5a5a500, 0x21212100, - 0xededed00, 0x0e0e0e00, 0x4f4f4f00, 0x4e4e4e00, - 0x1d1d1d00, 0x65656500, 0x92929200, 0xbdbdbd00, - 0x86868600, 0xb8b8b800, 0xafafaf00, 0x8f8f8f00, - 0x7c7c7c00, 0xebebeb00, 0x1f1f1f00, 0xcecece00, - 0x3e3e3e00, 0x30303000, 0xdcdcdc00, 0x5f5f5f00, - 0x5e5e5e00, 0xc5c5c500, 0x0b0b0b00, 0x1a1a1a00, - 0xa6a6a600, 0xe1e1e100, 0x39393900, 0xcacaca00, - 0xd5d5d500, 0x47474700, 0x5d5d5d00, 0x3d3d3d00, - 0xd9d9d900, 0x01010100, 0x5a5a5a00, 0xd6d6d600, - 0x51515100, 0x56565600, 0x6c6c6c00, 0x4d4d4d00, - 0x8b8b8b00, 0x0d0d0d00, 0x9a9a9a00, 0x66666600, - 0xfbfbfb00, 0xcccccc00, 0xb0b0b000, 0x2d2d2d00, - 0x74747400, 0x12121200, 0x2b2b2b00, 0x20202000, - 0xf0f0f000, 0xb1b1b100, 0x84848400, 0x99999900, - 0xdfdfdf00, 0x4c4c4c00, 0xcbcbcb00, 0xc2c2c200, - 0x34343400, 0x7e7e7e00, 0x76767600, 0x05050500, - 0x6d6d6d00, 0xb7b7b700, 0xa9a9a900, 0x31313100, - 0xd1d1d100, 0x17171700, 0x04040400, 0xd7d7d700, - 0x14141400, 0x58585800, 0x3a3a3a00, 0x61616100, - 0xdedede00, 0x1b1b1b00, 0x11111100, 0x1c1c1c00, - 0x32323200, 0x0f0f0f00, 0x9c9c9c00, 0x16161600, - 0x53535300, 0x18181800, 0xf2f2f200, 0x22222200, - 0xfefefe00, 0x44444400, 0xcfcfcf00, 0xb2b2b200, - 0xc3c3c300, 0xb5b5b500, 0x7a7a7a00, 0x91919100, - 0x24242400, 0x08080800, 0xe8e8e800, 0xa8a8a800, - 0x60606000, 0xfcfcfc00, 0x69696900, 0x50505000, - 0xaaaaaa00, 0xd0d0d000, 0xa0a0a000, 0x7d7d7d00, - 0xa1a1a100, 0x89898900, 0x62626200, 0x97979700, - 0x54545400, 0x5b5b5b00, 0x1e1e1e00, 0x95959500, - 0xe0e0e000, 0xffffff00, 0x64646400, 0xd2d2d200, - 0x10101000, 0xc4c4c400, 0x00000000, 0x48484800, - 0xa3a3a300, 0xf7f7f700, 0x75757500, 0xdbdbdb00, - 0x8a8a8a00, 0x03030300, 0xe6e6e600, 0xdadada00, - 0x09090900, 0x3f3f3f00, 0xdddddd00, 0x94949400, - 0x87878700, 0x5c5c5c00, 0x83838300, 0x02020200, - 0xcdcdcd00, 0x4a4a4a00, 0x90909000, 0x33333300, - 0x73737300, 0x67676700, 0xf6f6f600, 0xf3f3f300, - 0x9d9d9d00, 0x7f7f7f00, 0xbfbfbf00, 0xe2e2e200, - 0x52525200, 0x9b9b9b00, 0xd8d8d800, 0x26262600, - 0xc8c8c800, 0x37373700, 0xc6c6c600, 0x3b3b3b00, - 0x81818100, 0x96969600, 0x6f6f6f00, 0x4b4b4b00, - 0x13131300, 0xbebebe00, 0x63636300, 0x2e2e2e00, - 0xe9e9e900, 0x79797900, 0xa7a7a700, 0x8c8c8c00, - 0x9f9f9f00, 0x6e6e6e00, 0xbcbcbc00, 0x8e8e8e00, - 0x29292900, 0xf5f5f500, 0xf9f9f900, 0xb6b6b600, - 0x2f2f2f00, 0xfdfdfd00, 0xb4b4b400, 0x59595900, - 0x78787800, 0x98989800, 0x06060600, 0x6a6a6a00, - 0xe7e7e700, 0x46464600, 0x71717100, 0xbababa00, - 0xd4d4d400, 0x25252500, 0xababab00, 0x42424200, - 0x88888800, 0xa2a2a200, 0x8d8d8d00, 0xfafafa00, - 0x72727200, 0x07070700, 0xb9b9b900, 0x55555500, - 0xf8f8f800, 0xeeeeee00, 0xacacac00, 0x0a0a0a00, - 0x36363600, 0x49494900, 0x2a2a2a00, 0x68686800, - 0x3c3c3c00, 0x38383800, 0xf1f1f100, 0xa4a4a400, - 0x40404000, 0x28282800, 0xd3d3d300, 0x7b7b7b00, - 0xbbbbbb00, 0xc9c9c900, 0x43434300, 0xc1c1c100, - 0x15151500, 0xe3e3e300, 0xadadad00, 0xf4f4f400, - 0x77777700, 0xc7c7c700, 0x80808000, 0x9e9e9e00, -}; - -static const u32 camellia_sp0222[256] = { - 0x00e0e0e0, 0x00050505, 0x00585858, 0x00d9d9d9, - 0x00676767, 0x004e4e4e, 0x00818181, 0x00cbcbcb, - 0x00c9c9c9, 0x000b0b0b, 0x00aeaeae, 0x006a6a6a, - 0x00d5d5d5, 0x00181818, 0x005d5d5d, 0x00828282, - 0x00464646, 0x00dfdfdf, 0x00d6d6d6, 0x00272727, - 0x008a8a8a, 0x00323232, 0x004b4b4b, 0x00424242, - 0x00dbdbdb, 0x001c1c1c, 0x009e9e9e, 0x009c9c9c, - 0x003a3a3a, 0x00cacaca, 0x00252525, 0x007b7b7b, - 0x000d0d0d, 0x00717171, 0x005f5f5f, 0x001f1f1f, - 0x00f8f8f8, 0x00d7d7d7, 0x003e3e3e, 0x009d9d9d, - 0x007c7c7c, 0x00606060, 0x00b9b9b9, 0x00bebebe, - 0x00bcbcbc, 0x008b8b8b, 0x00161616, 0x00343434, - 0x004d4d4d, 0x00c3c3c3, 0x00727272, 0x00959595, - 0x00ababab, 0x008e8e8e, 0x00bababa, 0x007a7a7a, - 0x00b3b3b3, 0x00020202, 0x00b4b4b4, 0x00adadad, - 0x00a2a2a2, 0x00acacac, 0x00d8d8d8, 0x009a9a9a, - 0x00171717, 0x001a1a1a, 0x00353535, 0x00cccccc, - 0x00f7f7f7, 0x00999999, 0x00616161, 0x005a5a5a, - 0x00e8e8e8, 0x00242424, 0x00565656, 0x00404040, - 0x00e1e1e1, 0x00636363, 0x00090909, 0x00333333, - 0x00bfbfbf, 0x00989898, 0x00979797, 0x00858585, - 0x00686868, 0x00fcfcfc, 0x00ececec, 0x000a0a0a, - 0x00dadada, 0x006f6f6f, 0x00535353, 0x00626262, - 0x00a3a3a3, 0x002e2e2e, 0x00080808, 0x00afafaf, - 0x00282828, 0x00b0b0b0, 0x00747474, 0x00c2c2c2, - 0x00bdbdbd, 0x00363636, 0x00222222, 0x00383838, - 0x00646464, 0x001e1e1e, 0x00393939, 0x002c2c2c, - 0x00a6a6a6, 0x00303030, 0x00e5e5e5, 0x00444444, - 0x00fdfdfd, 0x00888888, 0x009f9f9f, 0x00656565, - 0x00878787, 0x006b6b6b, 0x00f4f4f4, 0x00232323, - 0x00484848, 0x00101010, 0x00d1d1d1, 0x00515151, - 0x00c0c0c0, 0x00f9f9f9, 0x00d2d2d2, 0x00a0a0a0, - 0x00555555, 0x00a1a1a1, 0x00414141, 0x00fafafa, - 0x00434343, 0x00131313, 0x00c4c4c4, 0x002f2f2f, - 0x00a8a8a8, 0x00b6b6b6, 0x003c3c3c, 0x002b2b2b, - 0x00c1c1c1, 0x00ffffff, 0x00c8c8c8, 0x00a5a5a5, - 0x00202020, 0x00898989, 0x00000000, 0x00909090, - 0x00474747, 0x00efefef, 0x00eaeaea, 0x00b7b7b7, - 0x00151515, 0x00060606, 0x00cdcdcd, 0x00b5b5b5, - 0x00121212, 0x007e7e7e, 0x00bbbbbb, 0x00292929, - 0x000f0f0f, 0x00b8b8b8, 0x00070707, 0x00040404, - 0x009b9b9b, 0x00949494, 0x00212121, 0x00666666, - 0x00e6e6e6, 0x00cecece, 0x00ededed, 0x00e7e7e7, - 0x003b3b3b, 0x00fefefe, 0x007f7f7f, 0x00c5c5c5, - 0x00a4a4a4, 0x00373737, 0x00b1b1b1, 0x004c4c4c, - 0x00919191, 0x006e6e6e, 0x008d8d8d, 0x00767676, - 0x00030303, 0x002d2d2d, 0x00dedede, 0x00969696, - 0x00262626, 0x007d7d7d, 0x00c6c6c6, 0x005c5c5c, - 0x00d3d3d3, 0x00f2f2f2, 0x004f4f4f, 0x00191919, - 0x003f3f3f, 0x00dcdcdc, 0x00797979, 0x001d1d1d, - 0x00525252, 0x00ebebeb, 0x00f3f3f3, 0x006d6d6d, - 0x005e5e5e, 0x00fbfbfb, 0x00696969, 0x00b2b2b2, - 0x00f0f0f0, 0x00313131, 0x000c0c0c, 0x00d4d4d4, - 0x00cfcfcf, 0x008c8c8c, 0x00e2e2e2, 0x00757575, - 0x00a9a9a9, 0x004a4a4a, 0x00575757, 0x00848484, - 0x00111111, 0x00454545, 0x001b1b1b, 0x00f5f5f5, - 0x00e4e4e4, 0x000e0e0e, 0x00737373, 0x00aaaaaa, - 0x00f1f1f1, 0x00dddddd, 0x00595959, 0x00141414, - 0x006c6c6c, 0x00929292, 0x00545454, 0x00d0d0d0, - 0x00787878, 0x00707070, 0x00e3e3e3, 0x00494949, - 0x00808080, 0x00505050, 0x00a7a7a7, 0x00f6f6f6, - 0x00777777, 0x00939393, 0x00868686, 0x00838383, - 0x002a2a2a, 0x00c7c7c7, 0x005b5b5b, 0x00e9e9e9, - 0x00eeeeee, 0x008f8f8f, 0x00010101, 0x003d3d3d, -}; - -static const u32 camellia_sp3033[256] = { - 0x38003838, 0x41004141, 0x16001616, 0x76007676, - 0xd900d9d9, 0x93009393, 0x60006060, 0xf200f2f2, - 0x72007272, 0xc200c2c2, 0xab00abab, 0x9a009a9a, - 0x75007575, 0x06000606, 0x57005757, 0xa000a0a0, - 0x91009191, 0xf700f7f7, 0xb500b5b5, 0xc900c9c9, - 0xa200a2a2, 0x8c008c8c, 0xd200d2d2, 0x90009090, - 0xf600f6f6, 0x07000707, 0xa700a7a7, 0x27002727, - 0x8e008e8e, 0xb200b2b2, 0x49004949, 0xde00dede, - 0x43004343, 0x5c005c5c, 0xd700d7d7, 0xc700c7c7, - 0x3e003e3e, 0xf500f5f5, 0x8f008f8f, 0x67006767, - 0x1f001f1f, 0x18001818, 0x6e006e6e, 0xaf00afaf, - 0x2f002f2f, 0xe200e2e2, 0x85008585, 0x0d000d0d, - 0x53005353, 0xf000f0f0, 0x9c009c9c, 0x65006565, - 0xea00eaea, 0xa300a3a3, 0xae00aeae, 0x9e009e9e, - 0xec00ecec, 0x80008080, 0x2d002d2d, 0x6b006b6b, - 0xa800a8a8, 0x2b002b2b, 0x36003636, 0xa600a6a6, - 0xc500c5c5, 0x86008686, 0x4d004d4d, 0x33003333, - 0xfd00fdfd, 0x66006666, 0x58005858, 0x96009696, - 0x3a003a3a, 0x09000909, 0x95009595, 0x10001010, - 0x78007878, 0xd800d8d8, 0x42004242, 0xcc00cccc, - 0xef00efef, 0x26002626, 0xe500e5e5, 0x61006161, - 0x1a001a1a, 0x3f003f3f, 0x3b003b3b, 0x82008282, - 0xb600b6b6, 0xdb00dbdb, 0xd400d4d4, 0x98009898, - 0xe800e8e8, 0x8b008b8b, 0x02000202, 0xeb00ebeb, - 0x0a000a0a, 0x2c002c2c, 0x1d001d1d, 0xb000b0b0, - 0x6f006f6f, 0x8d008d8d, 0x88008888, 0x0e000e0e, - 0x19001919, 0x87008787, 0x4e004e4e, 0x0b000b0b, - 0xa900a9a9, 0x0c000c0c, 0x79007979, 0x11001111, - 0x7f007f7f, 0x22002222, 0xe700e7e7, 0x59005959, - 0xe100e1e1, 0xda00dada, 0x3d003d3d, 0xc800c8c8, - 0x12001212, 0x04000404, 0x74007474, 0x54005454, - 0x30003030, 0x7e007e7e, 0xb400b4b4, 0x28002828, - 0x55005555, 0x68006868, 0x50005050, 0xbe00bebe, - 0xd000d0d0, 0xc400c4c4, 0x31003131, 0xcb00cbcb, - 0x2a002a2a, 0xad00adad, 0x0f000f0f, 0xca00caca, - 0x70007070, 0xff00ffff, 0x32003232, 0x69006969, - 0x08000808, 0x62006262, 0x00000000, 0x24002424, - 0xd100d1d1, 0xfb00fbfb, 0xba00baba, 0xed00eded, - 0x45004545, 0x81008181, 0x73007373, 0x6d006d6d, - 0x84008484, 0x9f009f9f, 0xee00eeee, 0x4a004a4a, - 0xc300c3c3, 0x2e002e2e, 0xc100c1c1, 0x01000101, - 0xe600e6e6, 0x25002525, 0x48004848, 0x99009999, - 0xb900b9b9, 0xb300b3b3, 0x7b007b7b, 0xf900f9f9, - 0xce00cece, 0xbf00bfbf, 0xdf00dfdf, 0x71007171, - 0x29002929, 0xcd00cdcd, 0x6c006c6c, 0x13001313, - 0x64006464, 0x9b009b9b, 0x63006363, 0x9d009d9d, - 0xc000c0c0, 0x4b004b4b, 0xb700b7b7, 0xa500a5a5, - 0x89008989, 0x5f005f5f, 0xb100b1b1, 0x17001717, - 0xf400f4f4, 0xbc00bcbc, 0xd300d3d3, 0x46004646, - 0xcf00cfcf, 0x37003737, 0x5e005e5e, 0x47004747, - 0x94009494, 0xfa00fafa, 0xfc00fcfc, 0x5b005b5b, - 0x97009797, 0xfe00fefe, 0x5a005a5a, 0xac00acac, - 0x3c003c3c, 0x4c004c4c, 0x03000303, 0x35003535, - 0xf300f3f3, 0x23002323, 0xb800b8b8, 0x5d005d5d, - 0x6a006a6a, 0x92009292, 0xd500d5d5, 0x21002121, - 0x44004444, 0x51005151, 0xc600c6c6, 0x7d007d7d, - 0x39003939, 0x83008383, 0xdc00dcdc, 0xaa00aaaa, - 0x7c007c7c, 0x77007777, 0x56005656, 0x05000505, - 0x1b001b1b, 0xa400a4a4, 0x15001515, 0x34003434, - 0x1e001e1e, 0x1c001c1c, 0xf800f8f8, 0x52005252, - 0x20002020, 0x14001414, 0xe900e9e9, 0xbd00bdbd, - 0xdd00dddd, 0xe400e4e4, 0xa100a1a1, 0xe000e0e0, - 0x8a008a8a, 0xf100f1f1, 0xd600d6d6, 0x7a007a7a, - 0xbb00bbbb, 0xe300e3e3, 0x40004040, 0x4f004f4f, -}; - -static const u32 camellia_sp4404[256] = { - 0x70700070, 0x2c2c002c, 0xb3b300b3, 0xc0c000c0, - 0xe4e400e4, 0x57570057, 0xeaea00ea, 0xaeae00ae, - 0x23230023, 0x6b6b006b, 0x45450045, 0xa5a500a5, - 0xeded00ed, 0x4f4f004f, 0x1d1d001d, 0x92920092, - 0x86860086, 0xafaf00af, 0x7c7c007c, 0x1f1f001f, - 0x3e3e003e, 0xdcdc00dc, 0x5e5e005e, 0x0b0b000b, - 0xa6a600a6, 0x39390039, 0xd5d500d5, 0x5d5d005d, - 0xd9d900d9, 0x5a5a005a, 0x51510051, 0x6c6c006c, - 0x8b8b008b, 0x9a9a009a, 0xfbfb00fb, 0xb0b000b0, - 0x74740074, 0x2b2b002b, 0xf0f000f0, 0x84840084, - 0xdfdf00df, 0xcbcb00cb, 0x34340034, 0x76760076, - 0x6d6d006d, 0xa9a900a9, 0xd1d100d1, 0x04040004, - 0x14140014, 0x3a3a003a, 0xdede00de, 0x11110011, - 0x32320032, 0x9c9c009c, 0x53530053, 0xf2f200f2, - 0xfefe00fe, 0xcfcf00cf, 0xc3c300c3, 0x7a7a007a, - 0x24240024, 0xe8e800e8, 0x60600060, 0x69690069, - 0xaaaa00aa, 0xa0a000a0, 0xa1a100a1, 0x62620062, - 0x54540054, 0x1e1e001e, 0xe0e000e0, 0x64640064, - 0x10100010, 0x00000000, 0xa3a300a3, 0x75750075, - 0x8a8a008a, 0xe6e600e6, 0x09090009, 0xdddd00dd, - 0x87870087, 0x83830083, 0xcdcd00cd, 0x90900090, - 0x73730073, 0xf6f600f6, 0x9d9d009d, 0xbfbf00bf, - 0x52520052, 0xd8d800d8, 0xc8c800c8, 0xc6c600c6, - 0x81810081, 0x6f6f006f, 0x13130013, 0x63630063, - 0xe9e900e9, 0xa7a700a7, 0x9f9f009f, 0xbcbc00bc, - 0x29290029, 0xf9f900f9, 0x2f2f002f, 0xb4b400b4, - 0x78780078, 0x06060006, 0xe7e700e7, 0x71710071, - 0xd4d400d4, 0xabab00ab, 0x88880088, 0x8d8d008d, - 0x72720072, 0xb9b900b9, 0xf8f800f8, 0xacac00ac, - 0x36360036, 0x2a2a002a, 0x3c3c003c, 0xf1f100f1, - 0x40400040, 0xd3d300d3, 0xbbbb00bb, 0x43430043, - 0x15150015, 0xadad00ad, 0x77770077, 0x80800080, - 0x82820082, 0xecec00ec, 0x27270027, 0xe5e500e5, - 0x85850085, 0x35350035, 0x0c0c000c, 0x41410041, - 0xefef00ef, 0x93930093, 0x19190019, 0x21210021, - 0x0e0e000e, 0x4e4e004e, 0x65650065, 0xbdbd00bd, - 0xb8b800b8, 0x8f8f008f, 0xebeb00eb, 0xcece00ce, - 0x30300030, 0x5f5f005f, 0xc5c500c5, 0x1a1a001a, - 0xe1e100e1, 0xcaca00ca, 0x47470047, 0x3d3d003d, - 0x01010001, 0xd6d600d6, 0x56560056, 0x4d4d004d, - 0x0d0d000d, 0x66660066, 0xcccc00cc, 0x2d2d002d, - 0x12120012, 0x20200020, 0xb1b100b1, 0x99990099, - 0x4c4c004c, 0xc2c200c2, 0x7e7e007e, 0x05050005, - 0xb7b700b7, 0x31310031, 0x17170017, 0xd7d700d7, - 0x58580058, 0x61610061, 0x1b1b001b, 0x1c1c001c, - 0x0f0f000f, 0x16160016, 0x18180018, 0x22220022, - 0x44440044, 0xb2b200b2, 0xb5b500b5, 0x91910091, - 0x08080008, 0xa8a800a8, 0xfcfc00fc, 0x50500050, - 0xd0d000d0, 0x7d7d007d, 0x89890089, 0x97970097, - 0x5b5b005b, 0x95950095, 0xffff00ff, 0xd2d200d2, - 0xc4c400c4, 0x48480048, 0xf7f700f7, 0xdbdb00db, - 0x03030003, 0xdada00da, 0x3f3f003f, 0x94940094, - 0x5c5c005c, 0x02020002, 0x4a4a004a, 0x33330033, - 0x67670067, 0xf3f300f3, 0x7f7f007f, 0xe2e200e2, - 0x9b9b009b, 0x26260026, 0x37370037, 0x3b3b003b, - 0x96960096, 0x4b4b004b, 0xbebe00be, 0x2e2e002e, - 0x79790079, 0x8c8c008c, 0x6e6e006e, 0x8e8e008e, - 0xf5f500f5, 0xb6b600b6, 0xfdfd00fd, 0x59590059, - 0x98980098, 0x6a6a006a, 0x46460046, 0xbaba00ba, - 0x25250025, 0x42420042, 0xa2a200a2, 0xfafa00fa, - 0x07070007, 0x55550055, 0xeeee00ee, 0x0a0a000a, - 0x49490049, 0x68680068, 0x38380038, 0xa4a400a4, - 0x28280028, 0x7b7b007b, 0xc9c900c9, 0xc1c100c1, - 0xe3e300e3, 0xf4f400f4, 0xc7c700c7, 0x9e9e009e, -}; - - -#define CAMELLIA_MIN_KEY_SIZE 16 -#define CAMELLIA_MAX_KEY_SIZE 32 -#define CAMELLIA_BLOCK_SIZE 16 -#define CAMELLIA_TABLE_BYTE_LEN 272 - -/* - * 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! - */ - - -/* key constants */ - -#define CAMELLIA_SIGMA1L (0xA09E667FL) -#define CAMELLIA_SIGMA1R (0x3BCC908BL) -#define CAMELLIA_SIGMA2L (0xB67AE858L) -#define CAMELLIA_SIGMA2R (0x4CAA73B2L) -#define CAMELLIA_SIGMA3L (0xC6EF372FL) -#define CAMELLIA_SIGMA3R (0xE94F82BEL) -#define CAMELLIA_SIGMA4L (0x54FF53A5L) -#define CAMELLIA_SIGMA4R (0xF1D36F1CL) -#define CAMELLIA_SIGMA5L (0x10E527FAL) -#define CAMELLIA_SIGMA5R (0xDE682D1DL) -#define CAMELLIA_SIGMA6L (0xB05688C2L) -#define CAMELLIA_SIGMA6R (0xB3E6C1FDL) - -/* - * macros - */ -#define ROLDQ(ll, lr, rl, rr, w0, w1, bits) ({ \ - 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)); \ -}) - -#define ROLDQo32(ll, lr, rl, rr, w0, w1, bits) ({ \ - 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)); \ -}) - -#define CAMELLIA_F(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) ({ \ - il = xl ^ kl; \ - ir = xr ^ kr; \ - t0 = il >> 16; \ - t1 = ir >> 16; \ - yl = camellia_sp1110[(u8)(ir)] \ - ^ camellia_sp0222[(u8)(t1 >> 8)] \ - ^ camellia_sp3033[(u8)(t1)] \ - ^ camellia_sp4404[(u8)(ir >> 8)]; \ - yr = camellia_sp1110[(u8)(t0 >> 8)] \ - ^ camellia_sp0222[(u8)(t0)] \ - ^ camellia_sp3033[(u8)(il >> 8)] \ - ^ camellia_sp4404[(u8)(il)]; \ - yl ^= yr; \ - yr = ror32(yr, 8); \ - yr ^= yl; \ -}) - -#define SUBKEY_L(INDEX) (subkey[(INDEX)*2]) -#define SUBKEY_R(INDEX) (subkey[(INDEX)*2 + 1]) - -static void camellia_setup_tail(u32 *subkey, u32 *subL, u32 *subR, int max) -{ - u32 dw, tl, tr; - u32 kw4l, kw4r; - - /* absorb kw2 to other subkeys */ - /* round 2 */ - subL[3] ^= subL[1]; subR[3] ^= subR[1]; - /* round 4 */ - subL[5] ^= subL[1]; subR[5] ^= subR[1]; - /* round 6 */ - subL[7] ^= subL[1]; subR[7] ^= subR[1]; - subL[1] ^= subR[1] & ~subR[9]; - dw = subL[1] & subL[9], - subR[1] ^= rol32(dw, 1); /* modified for FLinv(kl2) */ - /* round 8 */ - subL[11] ^= subL[1]; subR[11] ^= subR[1]; - /* round 10 */ - subL[13] ^= subL[1]; subR[13] ^= subR[1]; - /* round 12 */ - subL[15] ^= subL[1]; subR[15] ^= subR[1]; - subL[1] ^= subR[1] & ~subR[17]; - dw = subL[1] & subL[17], - subR[1] ^= rol32(dw, 1); /* modified for FLinv(kl4) */ - /* round 14 */ - subL[19] ^= subL[1]; subR[19] ^= subR[1]; - /* round 16 */ - subL[21] ^= subL[1]; subR[21] ^= subR[1]; - /* round 18 */ - subL[23] ^= subL[1]; subR[23] ^= subR[1]; - 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]; - dw = subL[1] & subL[25], - subR[1] ^= rol32(dw, 1); /* modified for FLinv(kl6) */ - /* round 20 */ - subL[27] ^= subL[1]; subR[27] ^= subR[1]; - /* round 22 */ - subL[29] ^= subL[1]; subR[29] ^= subR[1]; - /* round 24 */ - subL[31] ^= subL[1]; subR[31] ^= subR[1]; - /* kw3 */ - subL[32] ^= subL[1]; subR[32] ^= subR[1]; - - /* absorb kw4 to other subkeys */ - kw4l = subL[33]; kw4r = subR[33]; - /* round 23 */ - subL[30] ^= kw4l; subR[30] ^= kw4r; - /* round 21 */ - subL[28] ^= kw4l; subR[28] ^= kw4r; - /* round 19 */ - subL[26] ^= kw4l; subR[26] ^= kw4r; - kw4l ^= kw4r & ~subR[24]; - dw = kw4l & subL[24], - kw4r ^= rol32(dw, 1); /* modified for FL(kl5) */ - } - /* round 17 */ - subL[22] ^= kw4l; subR[22] ^= kw4r; - /* round 15 */ - subL[20] ^= kw4l; subR[20] ^= kw4r; - /* round 13 */ - subL[18] ^= kw4l; subR[18] ^= kw4r; - kw4l ^= kw4r & ~subR[16]; - dw = kw4l & subL[16], - kw4r ^= rol32(dw, 1); /* modified for FL(kl3) */ - /* round 11 */ - subL[14] ^= kw4l; subR[14] ^= kw4r; - /* round 9 */ - subL[12] ^= kw4l; subR[12] ^= kw4r; - /* round 7 */ - subL[10] ^= kw4l; subR[10] ^= kw4r; - kw4l ^= kw4r & ~subR[8]; - dw = kw4l & subL[8], - kw4r ^= rol32(dw, 1); /* modified for FL(kl1) */ - /* round 5 */ - subL[6] ^= kw4l; subR[6] ^= kw4r; - /* round 3 */ - subL[4] ^= kw4l; subR[4] ^= kw4r; - /* round 1 */ - subL[2] ^= kw4l; subR[2] ^= kw4r; - /* kw1 */ - subL[0] ^= kw4l; subR[0] ^= kw4r; - - /* key XOR is end of F-function */ - 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]); - dw = tl & subL[8], /* FL(kl1) */ - tr = subR[10] ^ rol32(dw, 1); - 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]); - dw = tl & subL[9], /* FLinv(kl2) */ - tr = subR[7] ^ rol32(dw, 1); - 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]); - dw = tl & subL[16], /* FL(kl3) */ - tr = subR[18] ^ rol32(dw, 1); - 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]); - dw = tl & subL[17], /* FLinv(kl4) */ - tr = subR[15] ^ rol32(dw, 1); - 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]); - dw = tl & subL[24], /* FL(kl5) */ - tr = subR[26] ^ rol32(dw, 1); - 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]); - dw = tl & subL[25], /* FLinv(kl6) */ - tr = subR[23] ^ rol32(dw, 1); - 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]; - } -} - -static void camellia_setup128(const unsigned char *key, u32 *subkey) -{ - u32 kll, klr, krl, krr; - u32 il, ir, t0, t1, w0, w1; - u32 subL[26]; - u32 subR[26]; - - /** - * k == kll || klr || krl || krr (|| is concatenation) - */ - kll = get_unaligned_be32(key); - klr = get_unaligned_be32(key + 4); - krl = get_unaligned_be32(key + 8); - krr = get_unaligned_be32(key + 12); - - /* generate KL dependent subkeys */ - /* kw1 */ - subL[0] = kll; subR[0] = klr; - /* kw2 */ - subL[1] = krl; subR[1] = krr; - /* rotation left shift 15bit */ - ROLDQ(kll, klr, krl, krr, w0, w1, 15); - /* k3 */ - subL[4] = kll; subR[4] = klr; - /* k4 */ - subL[5] = krl; subR[5] = krr; - /* rotation left shift 15+30bit */ - ROLDQ(kll, klr, krl, krr, w0, w1, 30); - /* k7 */ - subL[10] = kll; subR[10] = klr; - /* k8 */ - subL[11] = krl; subR[11] = krr; - /* rotation left shift 15+30+15bit */ - ROLDQ(kll, klr, krl, krr, w0, w1, 15); - /* k10 */ - subL[13] = krl; subR[13] = krr; - /* rotation left shift 15+30+15+17 bit */ - ROLDQ(kll, klr, krl, krr, w0, w1, 17); - /* kl3 */ - subL[16] = kll; subR[16] = klr; - /* kl4 */ - subL[17] = krl; subR[17] = krr; - /* rotation left shift 15+30+15+17+17 bit */ - ROLDQ(kll, klr, krl, krr, w0, w1, 17); - /* k13 */ - subL[18] = kll; subR[18] = klr; - /* k14 */ - subL[19] = krl; subR[19] = krr; - /* rotation left shift 15+30+15+17+17+17 bit */ - ROLDQ(kll, klr, krl, krr, w0, w1, 17); - /* k17 */ - subL[22] = kll; subR[22] = klr; - /* k18 */ - subL[23] = krl; subR[23] = krr; - - /* generate KA */ - kll = subL[0]; klr = subR[0]; - krl = subL[1]; krr = subR[1]; - CAMELLIA_F(kll, klr, - CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R, - w0, w1, il, ir, t0, t1); - krl ^= w0; krr ^= w1; - CAMELLIA_F(krl, krr, - CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R, - kll, klr, il, ir, t0, t1); - /* current status == (kll, klr, w0, w1) */ - CAMELLIA_F(kll, klr, - CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R, - krl, krr, il, ir, t0, t1); - krl ^= w0; krr ^= w1; - CAMELLIA_F(krl, krr, - CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R, - w0, w1, il, ir, t0, t1); - kll ^= w0; klr ^= w1; - - /* generate KA dependent subkeys */ - /* k1, k2 */ - subL[2] = kll; subR[2] = klr; - subL[3] = krl; subR[3] = krr; - ROLDQ(kll, klr, krl, krr, w0, w1, 15); - /* k5,k6 */ - subL[6] = kll; subR[6] = klr; - subL[7] = krl; subR[7] = krr; - ROLDQ(kll, klr, krl, krr, w0, w1, 15); - /* kl1, kl2 */ - subL[8] = kll; subR[8] = klr; - subL[9] = krl; subR[9] = krr; - ROLDQ(kll, klr, krl, krr, w0, w1, 15); - /* k9 */ - subL[12] = kll; subR[12] = klr; - ROLDQ(kll, klr, krl, krr, w0, w1, 15); - /* k11, k12 */ - subL[14] = kll; subR[14] = klr; - subL[15] = krl; subR[15] = krr; - ROLDQo32(kll, klr, krl, krr, w0, w1, 34); - /* k15, k16 */ - subL[20] = kll; subR[20] = klr; - subL[21] = krl; subR[21] = krr; - ROLDQ(kll, klr, krl, krr, w0, w1, 17); - /* kw3, kw4 */ - subL[24] = kll; subR[24] = klr; - subL[25] = krl; subR[25] = krr; - - camellia_setup_tail(subkey, subL, subR, 24); -} - -static void camellia_setup256(const unsigned char *key, u32 *subkey) -{ - u32 kll, klr, krl, krr; /* left half of key */ - u32 krll, krlr, krrl, krrr; /* right half of key */ - u32 il, ir, t0, t1, w0, w1; /* temporary variables */ - u32 subL[34]; - u32 subR[34]; - - /** - * key = (kll || klr || krl || krr || krll || krlr || krrl || krrr) - * (|| is concatenation) - */ - 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); - - /* generate KL dependent subkeys */ - /* kw1 */ - subL[0] = kll; subR[0] = klr; - /* kw2 */ - subL[1] = krl; subR[1] = krr; - ROLDQo32(kll, klr, krl, krr, w0, w1, 45); - /* k9 */ - subL[12] = kll; subR[12] = klr; - /* k10 */ - subL[13] = krl; subR[13] = krr; - ROLDQ(kll, klr, krl, krr, w0, w1, 15); - /* kl3 */ - subL[16] = kll; subR[16] = klr; - /* kl4 */ - subL[17] = krl; subR[17] = krr; - ROLDQ(kll, klr, krl, krr, w0, w1, 17); - /* k17 */ - subL[22] = kll; subR[22] = klr; - /* k18 */ - subL[23] = krl; subR[23] = krr; - ROLDQo32(kll, klr, krl, krr, w0, w1, 34); - /* k23 */ - subL[30] = kll; subR[30] = klr; - /* k24 */ - subL[31] = krl; subR[31] = krr; - - /* generate KR dependent subkeys */ - ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); - /* k3 */ - subL[4] = krll; subR[4] = krlr; - /* k4 */ - subL[5] = krrl; subR[5] = krrr; - ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); - /* kl1 */ - subL[8] = krll; subR[8] = krlr; - /* kl2 */ - subL[9] = krrl; subR[9] = krrr; - ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); - /* k13 */ - subL[18] = krll; subR[18] = krlr; - /* k14 */ - subL[19] = krrl; subR[19] = krrr; - ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); - /* k19 */ - subL[26] = krll; subR[26] = krlr; - /* k20 */ - subL[27] = krrl; subR[27] = krrr; - ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); - - /* generate KA */ - kll = subL[0] ^ krll; klr = subR[0] ^ krlr; - krl = subL[1] ^ krrl; krr = subR[1] ^ krrr; - CAMELLIA_F(kll, klr, - CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R, - w0, w1, il, ir, t0, t1); - krl ^= w0; krr ^= w1; - CAMELLIA_F(krl, krr, - CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R, - kll, klr, il, ir, t0, t1); - kll ^= krll; klr ^= krlr; - CAMELLIA_F(kll, klr, - CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R, - krl, krr, il, ir, t0, t1); - krl ^= w0 ^ krrl; krr ^= w1 ^ krrr; - CAMELLIA_F(krl, krr, - CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R, - w0, w1, il, ir, t0, t1); - kll ^= w0; klr ^= w1; - - /* generate KB */ - krll ^= kll; krlr ^= klr; - krrl ^= krl; krrr ^= krr; - CAMELLIA_F(krll, krlr, - CAMELLIA_SIGMA5L, CAMELLIA_SIGMA5R, - w0, w1, il, ir, t0, t1); - krrl ^= w0; krrr ^= w1; - CAMELLIA_F(krrl, krrr, - CAMELLIA_SIGMA6L, CAMELLIA_SIGMA6R, - w0, w1, il, ir, t0, t1); - krll ^= w0; krlr ^= w1; - - /* generate KA dependent subkeys */ - ROLDQ(kll, klr, krl, krr, w0, w1, 15); - /* k5 */ - subL[6] = kll; subR[6] = klr; - /* k6 */ - subL[7] = krl; subR[7] = krr; - ROLDQ(kll, klr, krl, krr, w0, w1, 30); - /* k11 */ - subL[14] = kll; subR[14] = klr; - /* k12 */ - subL[15] = krl; subR[15] = krr; - /* rotation left shift 32bit */ - /* kl5 */ - subL[24] = klr; subR[24] = krl; - /* kl6 */ - subL[25] = krr; subR[25] = kll; - /* rotation left shift 49 from k11,k12 -> k21,k22 */ - ROLDQo32(kll, klr, krl, krr, w0, w1, 49); - /* k21 */ - subL[28] = kll; subR[28] = klr; - /* k22 */ - subL[29] = krl; subR[29] = krr; - - /* generate KB dependent subkeys */ - /* k1 */ - subL[2] = krll; subR[2] = krlr; - /* k2 */ - subL[3] = krrl; subR[3] = krrr; - ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); - /* k7 */ - subL[10] = krll; subR[10] = krlr; - /* k8 */ - subL[11] = krrl; subR[11] = krrr; - ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); - /* k15 */ - subL[20] = krll; subR[20] = krlr; - /* k16 */ - subL[21] = krrl; subR[21] = krrr; - ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 51); - /* kw3 */ - subL[32] = krll; subR[32] = krlr; - /* kw4 */ - subL[33] = krrl; subR[33] = krrr; - - camellia_setup_tail(subkey, subL, subR, 32); -} - -static void camellia_setup192(const unsigned char *key, u32 *subkey) -{ - unsigned char kk[32]; - u32 krll, krlr, krrl, krrr; - - memcpy(kk, key, 24); - memcpy((unsigned char *)&krll, key+16, 4); - memcpy((unsigned char *)&krlr, key+20, 4); - krrl = ~krll; - krrr = ~krlr; - memcpy(kk+24, (unsigned char *)&krrl, 4); - memcpy(kk+28, (unsigned char *)&krrr, 4); - camellia_setup256(kk, subkey); -} - - -/* - * Encrypt/decrypt - */ -#define CAMELLIA_FLS(ll, lr, rl, rr, kll, klr, krl, krr, t0, t1, t2, t3) ({ \ - t0 = kll; \ - t2 = krr; \ - t0 &= ll; \ - t2 |= rr; \ - rl ^= t2; \ - lr ^= rol32(t0, 1); \ - t3 = krl; \ - t1 = klr; \ - t3 &= rl; \ - t1 |= lr; \ - ll ^= t1; \ - rr ^= rol32(t3, 1); \ -}) - -#define CAMELLIA_ROUNDSM(xl, xr, kl, kr, yl, yr, il, ir) ({ \ - yl ^= kl; \ - yr ^= kr; \ - ir = camellia_sp1110[(u8)xr]; \ - il = camellia_sp1110[(u8)(xl >> 24)]; \ - ir ^= camellia_sp0222[(u8)(xr >> 24)]; \ - 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]; \ - ir ^= il; \ - yl ^= ir; \ - yr ^= ror32(il, 8) ^ ir; \ -}) - -/* max = 24: 128bit encrypt, max = 32: 256bit encrypt */ -static void camellia_do_encrypt(const u32 *subkey, u32 *io, unsigned max) -{ - u32 il, ir, t0, t1; /* temporary variables */ - - /* pre whitening but absorb kw2 */ - io[0] ^= SUBKEY_L(0); - io[1] ^= SUBKEY_R(0); - - /* main iteration */ -#define ROUNDS(i) ({ \ - 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); \ -}) -#define FLS(i) ({ \ - 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); \ -}) - - ROUNDS(0); - FLS(8); - ROUNDS(8); - FLS(16); - ROUNDS(16); - if (max == 32) { - FLS(24); - ROUNDS(24); - } - -#undef ROUNDS -#undef FLS - - /* post whitening but kw4 */ - io[2] ^= SUBKEY_L(max); - io[3] ^= SUBKEY_R(max); - /* NB: io[0],[1] should be swapped with [2],[3] by caller! */ -} - -static void camellia_do_decrypt(const u32 *subkey, u32 *io, unsigned i) -{ - u32 il, ir, t0, t1; /* temporary variables */ - - /* pre whitening but absorb kw2 */ - io[0] ^= SUBKEY_L(i); - io[1] ^= SUBKEY_R(i); - - /* main iteration */ -#define ROUNDS(i) ({ \ - 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); \ -}) -#define FLS(i) ({ \ - 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); \ -}) - - if (i == 32) { - ROUNDS(24); - FLS(24); - } - ROUNDS(16); - FLS(16); - ROUNDS(8); - FLS(8); - ROUNDS(0); - -#undef ROUNDS -#undef FLS - - /* post whitening but kw4 */ - io[2] ^= SUBKEY_L(0); - io[3] ^= SUBKEY_R(0); - /* NB: 0,1 should be swapped with 2,3 by caller! */ -} - - -struct camellia_ctx { - int key_length; - u32 key_table[CAMELLIA_TABLE_BYTE_LEN / sizeof(u32)]; -}; - -static int -camellia_set_key(struct crypto_tfm *tfm, const u8 *in_key, - unsigned int key_len) -{ - struct camellia_ctx *cctx = crypto_tfm_ctx(tfm); - const unsigned char *key = (const unsigned char *)in_key; - u32 *flags = &tfm->crt_flags; - - if (key_len != 16 && key_len != 24 && key_len != 32) { - *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; - return -EINVAL; - } - - cctx->key_length = key_len; - - switch (key_len) { - case 16: - camellia_setup128(key, cctx->key_table); - break; - case 24: - camellia_setup192(key, cctx->key_table); - break; - case 32: - camellia_setup256(key, cctx->key_table); - break; - } - - return 0; -} - -static void camellia_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) -{ - const struct camellia_ctx *cctx = crypto_tfm_ctx(tfm); - const __be32 *src = (const __be32 *)in; - __be32 *dst = (__be32 *)out; - unsigned int max; - - u32 tmp[4]; - - 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]); - - 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); - - /* 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]); -} - -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; - unsigned int max; - - u32 tmp[4]; - - 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]); - - 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); - - /* 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]); -} - -static struct crypto_alg camellia_alg = { - .cra_name = "camellia", - .cra_driver_name = "camellia-generic", - .cra_priority = 100, - .cra_flags = CRYPTO_ALG_TYPE_CIPHER, - .cra_blocksize = CAMELLIA_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct camellia_ctx), - .cra_alignmask = 3, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(camellia_alg.cra_list), - .cra_u = { - .cipher = { - .cia_min_keysize = CAMELLIA_MIN_KEY_SIZE, - .cia_max_keysize = CAMELLIA_MAX_KEY_SIZE, - .cia_setkey = camellia_set_key, - .cia_encrypt = camellia_encrypt, - .cia_decrypt = camellia_decrypt - } - } -}; - -static int __init camellia_init(void) -{ - return crypto_register_alg(&camellia_alg); -} - -static void __exit camellia_fini(void) -{ - crypto_unregister_alg(&camellia_alg); -} - -module_init(camellia_init); -module_exit(camellia_fini); - -MODULE_DESCRIPTION("Camellia Cipher Algorithm"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("camellia"); diff --git a/crypto/camellia_generic.c b/crypto/camellia_generic.c new file mode 100644 index 0000000..f7aaaaf --- /dev/null +++ b/crypto/camellia_generic.c @@ -0,0 +1,1102 @@ +/* + * 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> +#include <linux/bitops.h> +#include <asm/unaligned.h> + +static const u32 camellia_sp1110[256] = { + 0x70707000, 0x82828200, 0x2c2c2c00, 0xececec00, + 0xb3b3b300, 0x27272700, 0xc0c0c000, 0xe5e5e500, + 0xe4e4e400, 0x85858500, 0x57575700, 0x35353500, + 0xeaeaea00, 0x0c0c0c00, 0xaeaeae00, 0x41414100, + 0x23232300, 0xefefef00, 0x6b6b6b00, 0x93939300, + 0x45454500, 0x19191900, 0xa5a5a500, 0x21212100, + 0xededed00, 0x0e0e0e00, 0x4f4f4f00, 0x4e4e4e00, + 0x1d1d1d00, 0x65656500, 0x92929200, 0xbdbdbd00, + 0x86868600, 0xb8b8b800, 0xafafaf00, 0x8f8f8f00, + 0x7c7c7c00, 0xebebeb00, 0x1f1f1f00, 0xcecece00, + 0x3e3e3e00, 0x30303000, 0xdcdcdc00, 0x5f5f5f00, + 0x5e5e5e00, 0xc5c5c500, 0x0b0b0b00, 0x1a1a1a00, + 0xa6a6a600, 0xe1e1e100, 0x39393900, 0xcacaca00, + 0xd5d5d500, 0x47474700, 0x5d5d5d00, 0x3d3d3d00, + 0xd9d9d900, 0x01010100, 0x5a5a5a00, 0xd6d6d600, + 0x51515100, 0x56565600, 0x6c6c6c00, 0x4d4d4d00, + 0x8b8b8b00, 0x0d0d0d00, 0x9a9a9a00, 0x66666600, + 0xfbfbfb00, 0xcccccc00, 0xb0b0b000, 0x2d2d2d00, + 0x74747400, 0x12121200, 0x2b2b2b00, 0x20202000, + 0xf0f0f000, 0xb1b1b100, 0x84848400, 0x99999900, + 0xdfdfdf00, 0x4c4c4c00, 0xcbcbcb00, 0xc2c2c200, + 0x34343400, 0x7e7e7e00, 0x76767600, 0x05050500, + 0x6d6d6d00, 0xb7b7b700, 0xa9a9a900, 0x31313100, + 0xd1d1d100, 0x17171700, 0x04040400, 0xd7d7d700, + 0x14141400, 0x58585800, 0x3a3a3a00, 0x61616100, + 0xdedede00, 0x1b1b1b00, 0x11111100, 0x1c1c1c00, + 0x32323200, 0x0f0f0f00, 0x9c9c9c00, 0x16161600, + 0x53535300, 0x18181800, 0xf2f2f200, 0x22222200, + 0xfefefe00, 0x44444400, 0xcfcfcf00, 0xb2b2b200, + 0xc3c3c300, 0xb5b5b500, 0x7a7a7a00, 0x91919100, + 0x24242400, 0x08080800, 0xe8e8e800, 0xa8a8a800, + 0x60606000, 0xfcfcfc00, 0x69696900, 0x50505000, + 0xaaaaaa00, 0xd0d0d000, 0xa0a0a000, 0x7d7d7d00, + 0xa1a1a100, 0x89898900, 0x62626200, 0x97979700, + 0x54545400, 0x5b5b5b00, 0x1e1e1e00, 0x95959500, + 0xe0e0e000, 0xffffff00, 0x64646400, 0xd2d2d200, + 0x10101000, 0xc4c4c400, 0x00000000, 0x48484800, + 0xa3a3a300, 0xf7f7f700, 0x75757500, 0xdbdbdb00, + 0x8a8a8a00, 0x03030300, 0xe6e6e600, 0xdadada00, + 0x09090900, 0x3f3f3f00, 0xdddddd00, 0x94949400, + 0x87878700, 0x5c5c5c00, 0x83838300, 0x02020200, + 0xcdcdcd00, 0x4a4a4a00, 0x90909000, 0x33333300, + 0x73737300, 0x67676700, 0xf6f6f600, 0xf3f3f300, + 0x9d9d9d00, 0x7f7f7f00, 0xbfbfbf00, 0xe2e2e200, + 0x52525200, 0x9b9b9b00, 0xd8d8d800, 0x26262600, + 0xc8c8c800, 0x37373700, 0xc6c6c600, 0x3b3b3b00, + 0x81818100, 0x96969600, 0x6f6f6f00, 0x4b4b4b00, + 0x13131300, 0xbebebe00, 0x63636300, 0x2e2e2e00, + 0xe9e9e900, 0x79797900, 0xa7a7a700, 0x8c8c8c00, + 0x9f9f9f00, 0x6e6e6e00, 0xbcbcbc00, 0x8e8e8e00, + 0x29292900, 0xf5f5f500, 0xf9f9f900, 0xb6b6b600, + 0x2f2f2f00, 0xfdfdfd00, 0xb4b4b400, 0x59595900, + 0x78787800, 0x98989800, 0x06060600, 0x6a6a6a00, + 0xe7e7e700, 0x46464600, 0x71717100, 0xbababa00, + 0xd4d4d400, 0x25252500, 0xababab00, 0x42424200, + 0x88888800, 0xa2a2a200, 0x8d8d8d00, 0xfafafa00, + 0x72727200, 0x07070700, 0xb9b9b900, 0x55555500, + 0xf8f8f800, 0xeeeeee00, 0xacacac00, 0x0a0a0a00, + 0x36363600, 0x49494900, 0x2a2a2a00, 0x68686800, + 0x3c3c3c00, 0x38383800, 0xf1f1f100, 0xa4a4a400, + 0x40404000, 0x28282800, 0xd3d3d300, 0x7b7b7b00, + 0xbbbbbb00, 0xc9c9c900, 0x43434300, 0xc1c1c100, + 0x15151500, 0xe3e3e300, 0xadadad00, 0xf4f4f400, + 0x77777700, 0xc7c7c700, 0x80808000, 0x9e9e9e00, +}; + +static const u32 camellia_sp0222[256] = { + 0x00e0e0e0, 0x00050505, 0x00585858, 0x00d9d9d9, + 0x00676767, 0x004e4e4e, 0x00818181, 0x00cbcbcb, + 0x00c9c9c9, 0x000b0b0b, 0x00aeaeae, 0x006a6a6a, + 0x00d5d5d5, 0x00181818, 0x005d5d5d, 0x00828282, + 0x00464646, 0x00dfdfdf, 0x00d6d6d6, 0x00272727, + 0x008a8a8a, 0x00323232, 0x004b4b4b, 0x00424242, + 0x00dbdbdb, 0x001c1c1c, 0x009e9e9e, 0x009c9c9c, + 0x003a3a3a, 0x00cacaca, 0x00252525, 0x007b7b7b, + 0x000d0d0d, 0x00717171, 0x005f5f5f, 0x001f1f1f, + 0x00f8f8f8, 0x00d7d7d7, 0x003e3e3e, 0x009d9d9d, + 0x007c7c7c, 0x00606060, 0x00b9b9b9, 0x00bebebe, + 0x00bcbcbc, 0x008b8b8b, 0x00161616, 0x00343434, + 0x004d4d4d, 0x00c3c3c3, 0x00727272, 0x00959595, + 0x00ababab, 0x008e8e8e, 0x00bababa, 0x007a7a7a, + 0x00b3b3b3, 0x00020202, 0x00b4b4b4, 0x00adadad, + 0x00a2a2a2, 0x00acacac, 0x00d8d8d8, 0x009a9a9a, + 0x00171717, 0x001a1a1a, 0x00353535, 0x00cccccc, + 0x00f7f7f7, 0x00999999, 0x00616161, 0x005a5a5a, + 0x00e8e8e8, 0x00242424, 0x00565656, 0x00404040, + 0x00e1e1e1, 0x00636363, 0x00090909, 0x00333333, + 0x00bfbfbf, 0x00989898, 0x00979797, 0x00858585, + 0x00686868, 0x00fcfcfc, 0x00ececec, 0x000a0a0a, + 0x00dadada, 0x006f6f6f, 0x00535353, 0x00626262, + 0x00a3a3a3, 0x002e2e2e, 0x00080808, 0x00afafaf, + 0x00282828, 0x00b0b0b0, 0x00747474, 0x00c2c2c2, + 0x00bdbdbd, 0x00363636, 0x00222222, 0x00383838, + 0x00646464, 0x001e1e1e, 0x00393939, 0x002c2c2c, + 0x00a6a6a6, 0x00303030, 0x00e5e5e5, 0x00444444, + 0x00fdfdfd, 0x00888888, 0x009f9f9f, 0x00656565, + 0x00878787, 0x006b6b6b, 0x00f4f4f4, 0x00232323, + 0x00484848, 0x00101010, 0x00d1d1d1, 0x00515151, + 0x00c0c0c0, 0x00f9f9f9, 0x00d2d2d2, 0x00a0a0a0, + 0x00555555, 0x00a1a1a1, 0x00414141, 0x00fafafa, + 0x00434343, 0x00131313, 0x00c4c4c4, 0x002f2f2f, + 0x00a8a8a8, 0x00b6b6b6, 0x003c3c3c, 0x002b2b2b, + 0x00c1c1c1, 0x00ffffff, 0x00c8c8c8, 0x00a5a5a5, + 0x00202020, 0x00898989, 0x00000000, 0x00909090, + 0x00474747, 0x00efefef, 0x00eaeaea, 0x00b7b7b7, + 0x00151515, 0x00060606, 0x00cdcdcd, 0x00b5b5b5, + 0x00121212, 0x007e7e7e, 0x00bbbbbb, 0x00292929, + 0x000f0f0f, 0x00b8b8b8, 0x00070707, 0x00040404, + 0x009b9b9b, 0x00949494, 0x00212121, 0x00666666, + 0x00e6e6e6, 0x00cecece, 0x00ededed, 0x00e7e7e7, + 0x003b3b3b, 0x00fefefe, 0x007f7f7f, 0x00c5c5c5, + 0x00a4a4a4, 0x00373737, 0x00b1b1b1, 0x004c4c4c, + 0x00919191, 0x006e6e6e, 0x008d8d8d, 0x00767676, + 0x00030303, 0x002d2d2d, 0x00dedede, 0x00969696, + 0x00262626, 0x007d7d7d, 0x00c6c6c6, 0x005c5c5c, + 0x00d3d3d3, 0x00f2f2f2, 0x004f4f4f, 0x00191919, + 0x003f3f3f, 0x00dcdcdc, 0x00797979, 0x001d1d1d, + 0x00525252, 0x00ebebeb, 0x00f3f3f3, 0x006d6d6d, + 0x005e5e5e, 0x00fbfbfb, 0x00696969, 0x00b2b2b2, + 0x00f0f0f0, 0x00313131, 0x000c0c0c, 0x00d4d4d4, + 0x00cfcfcf, 0x008c8c8c, 0x00e2e2e2, 0x00757575, + 0x00a9a9a9, 0x004a4a4a, 0x00575757, 0x00848484, + 0x00111111, 0x00454545, 0x001b1b1b, 0x00f5f5f5, + 0x00e4e4e4, 0x000e0e0e, 0x00737373, 0x00aaaaaa, + 0x00f1f1f1, 0x00dddddd, 0x00595959, 0x00141414, + 0x006c6c6c, 0x00929292, 0x00545454, 0x00d0d0d0, + 0x00787878, 0x00707070, 0x00e3e3e3, 0x00494949, + 0x00808080, 0x00505050, 0x00a7a7a7, 0x00f6f6f6, + 0x00777777, 0x00939393, 0x00868686, 0x00838383, + 0x002a2a2a, 0x00c7c7c7, 0x005b5b5b, 0x00e9e9e9, + 0x00eeeeee, 0x008f8f8f, 0x00010101, 0x003d3d3d, +}; + +static const u32 camellia_sp3033[256] = { + 0x38003838, 0x41004141, 0x16001616, 0x76007676, + 0xd900d9d9, 0x93009393, 0x60006060, 0xf200f2f2, + 0x72007272, 0xc200c2c2, 0xab00abab, 0x9a009a9a, + 0x75007575, 0x06000606, 0x57005757, 0xa000a0a0, + 0x91009191, 0xf700f7f7, 0xb500b5b5, 0xc900c9c9, + 0xa200a2a2, 0x8c008c8c, 0xd200d2d2, 0x90009090, + 0xf600f6f6, 0x07000707, 0xa700a7a7, 0x27002727, + 0x8e008e8e, 0xb200b2b2, 0x49004949, 0xde00dede, + 0x43004343, 0x5c005c5c, 0xd700d7d7, 0xc700c7c7, + 0x3e003e3e, 0xf500f5f5, 0x8f008f8f, 0x67006767, + 0x1f001f1f, 0x18001818, 0x6e006e6e, 0xaf00afaf, + 0x2f002f2f, 0xe200e2e2, 0x85008585, 0x0d000d0d, + 0x53005353, 0xf000f0f0, 0x9c009c9c, 0x65006565, + 0xea00eaea, 0xa300a3a3, 0xae00aeae, 0x9e009e9e, + 0xec00ecec, 0x80008080, 0x2d002d2d, 0x6b006b6b, + 0xa800a8a8, 0x2b002b2b, 0x36003636, 0xa600a6a6, + 0xc500c5c5, 0x86008686, 0x4d004d4d, 0x33003333, + 0xfd00fdfd, 0x66006666, 0x58005858, 0x96009696, + 0x3a003a3a, 0x09000909, 0x95009595, 0x10001010, + 0x78007878, 0xd800d8d8, 0x42004242, 0xcc00cccc, + 0xef00efef, 0x26002626, 0xe500e5e5, 0x61006161, + 0x1a001a1a, 0x3f003f3f, 0x3b003b3b, 0x82008282, + 0xb600b6b6, 0xdb00dbdb, 0xd400d4d4, 0x98009898, + 0xe800e8e8, 0x8b008b8b, 0x02000202, 0xeb00ebeb, + 0x0a000a0a, 0x2c002c2c, 0x1d001d1d, 0xb000b0b0, + 0x6f006f6f, 0x8d008d8d, 0x88008888, 0x0e000e0e, + 0x19001919, 0x87008787, 0x4e004e4e, 0x0b000b0b, + 0xa900a9a9, 0x0c000c0c, 0x79007979, 0x11001111, + 0x7f007f7f, 0x22002222, 0xe700e7e7, 0x59005959, + 0xe100e1e1, 0xda00dada, 0x3d003d3d, 0xc800c8c8, + 0x12001212, 0x04000404, 0x74007474, 0x54005454, + 0x30003030, 0x7e007e7e, 0xb400b4b4, 0x28002828, + 0x55005555, 0x68006868, 0x50005050, 0xbe00bebe, + 0xd000d0d0, 0xc400c4c4, 0x31003131, 0xcb00cbcb, + 0x2a002a2a, 0xad00adad, 0x0f000f0f, 0xca00caca, + 0x70007070, 0xff00ffff, 0x32003232, 0x69006969, + 0x08000808, 0x62006262, 0x00000000, 0x24002424, + 0xd100d1d1, 0xfb00fbfb, 0xba00baba, 0xed00eded, + 0x45004545, 0x81008181, 0x73007373, 0x6d006d6d, + 0x84008484, 0x9f009f9f, 0xee00eeee, 0x4a004a4a, + 0xc300c3c3, 0x2e002e2e, 0xc100c1c1, 0x01000101, + 0xe600e6e6, 0x25002525, 0x48004848, 0x99009999, + 0xb900b9b9, 0xb300b3b3, 0x7b007b7b, 0xf900f9f9, + 0xce00cece, 0xbf00bfbf, 0xdf00dfdf, 0x71007171, + 0x29002929, 0xcd00cdcd, 0x6c006c6c, 0x13001313, + 0x64006464, 0x9b009b9b, 0x63006363, 0x9d009d9d, + 0xc000c0c0, 0x4b004b4b, 0xb700b7b7, 0xa500a5a5, + 0x89008989, 0x5f005f5f, 0xb100b1b1, 0x17001717, + 0xf400f4f4, 0xbc00bcbc, 0xd300d3d3, 0x46004646, + 0xcf00cfcf, 0x37003737, 0x5e005e5e, 0x47004747, + 0x94009494, 0xfa00fafa, 0xfc00fcfc, 0x5b005b5b, + 0x97009797, 0xfe00fefe, 0x5a005a5a, 0xac00acac, + 0x3c003c3c, 0x4c004c4c, 0x03000303, 0x35003535, + 0xf300f3f3, 0x23002323, 0xb800b8b8, 0x5d005d5d, + 0x6a006a6a, 0x92009292, 0xd500d5d5, 0x21002121, + 0x44004444, 0x51005151, 0xc600c6c6, 0x7d007d7d, + 0x39003939, 0x83008383, 0xdc00dcdc, 0xaa00aaaa, + 0x7c007c7c, 0x77007777, 0x56005656, 0x05000505, + 0x1b001b1b, 0xa400a4a4, 0x15001515, 0x34003434, + 0x1e001e1e, 0x1c001c1c, 0xf800f8f8, 0x52005252, + 0x20002020, 0x14001414, 0xe900e9e9, 0xbd00bdbd, + 0xdd00dddd, 0xe400e4e4, 0xa100a1a1, 0xe000e0e0, + 0x8a008a8a, 0xf100f1f1, 0xd600d6d6, 0x7a007a7a, + 0xbb00bbbb, 0xe300e3e3, 0x40004040, 0x4f004f4f, +}; + +static const u32 camellia_sp4404[256] = { + 0x70700070, 0x2c2c002c, 0xb3b300b3, 0xc0c000c0, + 0xe4e400e4, 0x57570057, 0xeaea00ea, 0xaeae00ae, + 0x23230023, 0x6b6b006b, 0x45450045, 0xa5a500a5, + 0xeded00ed, 0x4f4f004f, 0x1d1d001d, 0x92920092, + 0x86860086, 0xafaf00af, 0x7c7c007c, 0x1f1f001f, + 0x3e3e003e, 0xdcdc00dc, 0x5e5e005e, 0x0b0b000b, + 0xa6a600a6, 0x39390039, 0xd5d500d5, 0x5d5d005d, + 0xd9d900d9, 0x5a5a005a, 0x51510051, 0x6c6c006c, + 0x8b8b008b, 0x9a9a009a, 0xfbfb00fb, 0xb0b000b0, + 0x74740074, 0x2b2b002b, 0xf0f000f0, 0x84840084, + 0xdfdf00df, 0xcbcb00cb, 0x34340034, 0x76760076, + 0x6d6d006d, 0xa9a900a9, 0xd1d100d1, 0x04040004, + 0x14140014, 0x3a3a003a, 0xdede00de, 0x11110011, + 0x32320032, 0x9c9c009c, 0x53530053, 0xf2f200f2, + 0xfefe00fe, 0xcfcf00cf, 0xc3c300c3, 0x7a7a007a, + 0x24240024, 0xe8e800e8, 0x60600060, 0x69690069, + 0xaaaa00aa, 0xa0a000a0, 0xa1a100a1, 0x62620062, + 0x54540054, 0x1e1e001e, 0xe0e000e0, 0x64640064, + 0x10100010, 0x00000000, 0xa3a300a3, 0x75750075, + 0x8a8a008a, 0xe6e600e6, 0x09090009, 0xdddd00dd, + 0x87870087, 0x83830083, 0xcdcd00cd, 0x90900090, + 0x73730073, 0xf6f600f6, 0x9d9d009d, 0xbfbf00bf, + 0x52520052, 0xd8d800d8, 0xc8c800c8, 0xc6c600c6, + 0x81810081, 0x6f6f006f, 0x13130013, 0x63630063, + 0xe9e900e9, 0xa7a700a7, 0x9f9f009f, 0xbcbc00bc, + 0x29290029, 0xf9f900f9, 0x2f2f002f, 0xb4b400b4, + 0x78780078, 0x06060006, 0xe7e700e7, 0x71710071, + 0xd4d400d4, 0xabab00ab, 0x88880088, 0x8d8d008d, + 0x72720072, 0xb9b900b9, 0xf8f800f8, 0xacac00ac, + 0x36360036, 0x2a2a002a, 0x3c3c003c, 0xf1f100f1, + 0x40400040, 0xd3d300d3, 0xbbbb00bb, 0x43430043, + 0x15150015, 0xadad00ad, 0x77770077, 0x80800080, + 0x82820082, 0xecec00ec, 0x27270027, 0xe5e500e5, + 0x85850085, 0x35350035, 0x0c0c000c, 0x41410041, + 0xefef00ef, 0x93930093, 0x19190019, 0x21210021, + 0x0e0e000e, 0x4e4e004e, 0x65650065, 0xbdbd00bd, + 0xb8b800b8, 0x8f8f008f, 0xebeb00eb, 0xcece00ce, + 0x30300030, 0x5f5f005f, 0xc5c500c5, 0x1a1a001a, + 0xe1e100e1, 0xcaca00ca, 0x47470047, 0x3d3d003d, + 0x01010001, 0xd6d600d6, 0x56560056, 0x4d4d004d, + 0x0d0d000d, 0x66660066, 0xcccc00cc, 0x2d2d002d, + 0x12120012, 0x20200020, 0xb1b100b1, 0x99990099, + 0x4c4c004c, 0xc2c200c2, 0x7e7e007e, 0x05050005, + 0xb7b700b7, 0x31310031, 0x17170017, 0xd7d700d7, + 0x58580058, 0x61610061, 0x1b1b001b, 0x1c1c001c, + 0x0f0f000f, 0x16160016, 0x18180018, 0x22220022, + 0x44440044, 0xb2b200b2, 0xb5b500b5, 0x91910091, + 0x08080008, 0xa8a800a8, 0xfcfc00fc, 0x50500050, + 0xd0d000d0, 0x7d7d007d, 0x89890089, 0x97970097, + 0x5b5b005b, 0x95950095, 0xffff00ff, 0xd2d200d2, + 0xc4c400c4, 0x48480048, 0xf7f700f7, 0xdbdb00db, + 0x03030003, 0xdada00da, 0x3f3f003f, 0x94940094, + 0x5c5c005c, 0x02020002, 0x4a4a004a, 0x33330033, + 0x67670067, 0xf3f300f3, 0x7f7f007f, 0xe2e200e2, + 0x9b9b009b, 0x26260026, 0x37370037, 0x3b3b003b, + 0x96960096, 0x4b4b004b, 0xbebe00be, 0x2e2e002e, + 0x79790079, 0x8c8c008c, 0x6e6e006e, 0x8e8e008e, + 0xf5f500f5, 0xb6b600b6, 0xfdfd00fd, 0x59590059, + 0x98980098, 0x6a6a006a, 0x46460046, 0xbaba00ba, + 0x25250025, 0x42420042, 0xa2a200a2, 0xfafa00fa, + 0x07070007, 0x55550055, 0xeeee00ee, 0x0a0a000a, + 0x49490049, 0x68680068, 0x38380038, 0xa4a400a4, + 0x28280028, 0x7b7b007b, 0xc9c900c9, 0xc1c100c1, + 0xe3e300e3, 0xf4f400f4, 0xc7c700c7, 0x9e9e009e, +}; + + +#define CAMELLIA_MIN_KEY_SIZE 16 +#define CAMELLIA_MAX_KEY_SIZE 32 +#define CAMELLIA_BLOCK_SIZE 16 +#define CAMELLIA_TABLE_BYTE_LEN 272 + +/* + * 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! + */ + + +/* key constants */ + +#define CAMELLIA_SIGMA1L (0xA09E667FL) +#define CAMELLIA_SIGMA1R (0x3BCC908BL) +#define CAMELLIA_SIGMA2L (0xB67AE858L) +#define CAMELLIA_SIGMA2R (0x4CAA73B2L) +#define CAMELLIA_SIGMA3L (0xC6EF372FL) +#define CAMELLIA_SIGMA3R (0xE94F82BEL) +#define CAMELLIA_SIGMA4L (0x54FF53A5L) +#define CAMELLIA_SIGMA4R (0xF1D36F1CL) +#define CAMELLIA_SIGMA5L (0x10E527FAL) +#define CAMELLIA_SIGMA5R (0xDE682D1DL) +#define CAMELLIA_SIGMA6L (0xB05688C2L) +#define CAMELLIA_SIGMA6R (0xB3E6C1FDL) + +/* + * macros + */ +#define ROLDQ(ll, lr, rl, rr, w0, w1, bits) ({ \ + 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)); \ +}) + +#define ROLDQo32(ll, lr, rl, rr, w0, w1, bits) ({ \ + 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)); \ +}) + +#define CAMELLIA_F(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) ({ \ + il = xl ^ kl; \ + ir = xr ^ kr; \ + t0 = il >> 16; \ + t1 = ir >> 16; \ + yl = camellia_sp1110[(u8)(ir)] \ + ^ camellia_sp0222[(u8)(t1 >> 8)] \ + ^ camellia_sp3033[(u8)(t1)] \ + ^ camellia_sp4404[(u8)(ir >> 8)]; \ + yr = camellia_sp1110[(u8)(t0 >> 8)] \ + ^ camellia_sp0222[(u8)(t0)] \ + ^ camellia_sp3033[(u8)(il >> 8)] \ + ^ camellia_sp4404[(u8)(il)]; \ + yl ^= yr; \ + yr = ror32(yr, 8); \ + yr ^= yl; \ +}) + +#define SUBKEY_L(INDEX) (subkey[(INDEX)*2]) +#define SUBKEY_R(INDEX) (subkey[(INDEX)*2 + 1]) + +static void camellia_setup_tail(u32 *subkey, u32 *subL, u32 *subR, int max) +{ + u32 dw, tl, tr; + u32 kw4l, kw4r; + + /* absorb kw2 to other subkeys */ + /* round 2 */ + subL[3] ^= subL[1]; subR[3] ^= subR[1]; + /* round 4 */ + subL[5] ^= subL[1]; subR[5] ^= subR[1]; + /* round 6 */ + subL[7] ^= subL[1]; subR[7] ^= subR[1]; + subL[1] ^= subR[1] & ~subR[9]; + dw = subL[1] & subL[9], + subR[1] ^= rol32(dw, 1); /* modified for FLinv(kl2) */ + /* round 8 */ + subL[11] ^= subL[1]; subR[11] ^= subR[1]; + /* round 10 */ + subL[13] ^= subL[1]; subR[13] ^= subR[1]; + /* round 12 */ + subL[15] ^= subL[1]; subR[15] ^= subR[1]; + subL[1] ^= subR[1] & ~subR[17]; + dw = subL[1] & subL[17], + subR[1] ^= rol32(dw, 1); /* modified for FLinv(kl4) */ + /* round 14 */ + subL[19] ^= subL[1]; subR[19] ^= subR[1]; + /* round 16 */ + subL[21] ^= subL[1]; subR[21] ^= subR[1]; + /* round 18 */ + subL[23] ^= subL[1]; subR[23] ^= subR[1]; + 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]; + dw = subL[1] & subL[25], + subR[1] ^= rol32(dw, 1); /* modified for FLinv(kl6) */ + /* round 20 */ + subL[27] ^= subL[1]; subR[27] ^= subR[1]; + /* round 22 */ + subL[29] ^= subL[1]; subR[29] ^= subR[1]; + /* round 24 */ + subL[31] ^= subL[1]; subR[31] ^= subR[1]; + /* kw3 */ + subL[32] ^= subL[1]; subR[32] ^= subR[1]; + + /* absorb kw4 to other subkeys */ + kw4l = subL[33]; kw4r = subR[33]; + /* round 23 */ + subL[30] ^= kw4l; subR[30] ^= kw4r; + /* round 21 */ + subL[28] ^= kw4l; subR[28] ^= kw4r; + /* round 19 */ + subL[26] ^= kw4l; subR[26] ^= kw4r; + kw4l ^= kw4r & ~subR[24]; + dw = kw4l & subL[24], + kw4r ^= rol32(dw, 1); /* modified for FL(kl5) */ + } + /* round 17 */ + subL[22] ^= kw4l; subR[22] ^= kw4r; + /* round 15 */ + subL[20] ^= kw4l; subR[20] ^= kw4r; + /* round 13 */ + subL[18] ^= kw4l; subR[18] ^= kw4r; + kw4l ^= kw4r & ~subR[16]; + dw = kw4l & subL[16], + kw4r ^= rol32(dw, 1); /* modified for FL(kl3) */ + /* round 11 */ + subL[14] ^= kw4l; subR[14] ^= kw4r; + /* round 9 */ + subL[12] ^= kw4l; subR[12] ^= kw4r; + /* round 7 */ + subL[10] ^= kw4l; subR[10] ^= kw4r; + kw4l ^= kw4r & ~subR[8]; + dw = kw4l & subL[8], + kw4r ^= rol32(dw, 1); /* modified for FL(kl1) */ + /* round 5 */ + subL[6] ^= kw4l; subR[6] ^= kw4r; + /* round 3 */ + subL[4] ^= kw4l; subR[4] ^= kw4r; + /* round 1 */ + subL[2] ^= kw4l; subR[2] ^= kw4r; + /* kw1 */ + subL[0] ^= kw4l; subR[0] ^= kw4r; + + /* key XOR is end of F-function */ + 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]); + dw = tl & subL[8], /* FL(kl1) */ + tr = subR[10] ^ rol32(dw, 1); + 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]); + dw = tl & subL[9], /* FLinv(kl2) */ + tr = subR[7] ^ rol32(dw, 1); + 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]); + dw = tl & subL[16], /* FL(kl3) */ + tr = subR[18] ^ rol32(dw, 1); + 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]); + dw = tl & subL[17], /* FLinv(kl4) */ + tr = subR[15] ^ rol32(dw, 1); + 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]); + dw = tl & subL[24], /* FL(kl5) */ + tr = subR[26] ^ rol32(dw, 1); + 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]); + dw = tl & subL[25], /* FLinv(kl6) */ + tr = subR[23] ^ rol32(dw, 1); + 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]; + } +} + +static void camellia_setup128(const unsigned char *key, u32 *subkey) +{ + u32 kll, klr, krl, krr; + u32 il, ir, t0, t1, w0, w1; + u32 subL[26]; + u32 subR[26]; + + /** + * k == kll || klr || krl || krr (|| is concatenation) + */ + kll = get_unaligned_be32(key); + klr = get_unaligned_be32(key + 4); + krl = get_unaligned_be32(key + 8); + krr = get_unaligned_be32(key + 12); + + /* generate KL dependent subkeys */ + /* kw1 */ + subL[0] = kll; subR[0] = klr; + /* kw2 */ + subL[1] = krl; subR[1] = krr; + /* rotation left shift 15bit */ + ROLDQ(kll, klr, krl, krr, w0, w1, 15); + /* k3 */ + subL[4] = kll; subR[4] = klr; + /* k4 */ + subL[5] = krl; subR[5] = krr; + /* rotation left shift 15+30bit */ + ROLDQ(kll, klr, krl, krr, w0, w1, 30); + /* k7 */ + subL[10] = kll; subR[10] = klr; + /* k8 */ + subL[11] = krl; subR[11] = krr; + /* rotation left shift 15+30+15bit */ + ROLDQ(kll, klr, krl, krr, w0, w1, 15); + /* k10 */ + subL[13] = krl; subR[13] = krr; + /* rotation left shift 15+30+15+17 bit */ + ROLDQ(kll, klr, krl, krr, w0, w1, 17); + /* kl3 */ + subL[16] = kll; subR[16] = klr; + /* kl4 */ + subL[17] = krl; subR[17] = krr; + /* rotation left shift 15+30+15+17+17 bit */ + ROLDQ(kll, klr, krl, krr, w0, w1, 17); + /* k13 */ + subL[18] = kll; subR[18] = klr; + /* k14 */ + subL[19] = krl; subR[19] = krr; + /* rotation left shift 15+30+15+17+17+17 bit */ + ROLDQ(kll, klr, krl, krr, w0, w1, 17); + /* k17 */ + subL[22] = kll; subR[22] = klr; + /* k18 */ + subL[23] = krl; subR[23] = krr; + + /* generate KA */ + kll = subL[0]; klr = subR[0]; + krl = subL[1]; krr = subR[1]; + CAMELLIA_F(kll, klr, + CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R, + w0, w1, il, ir, t0, t1); + krl ^= w0; krr ^= w1; + CAMELLIA_F(krl, krr, + CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R, + kll, klr, il, ir, t0, t1); + /* current status == (kll, klr, w0, w1) */ + CAMELLIA_F(kll, klr, + CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R, + krl, krr, il, ir, t0, t1); + krl ^= w0; krr ^= w1; + CAMELLIA_F(krl, krr, + CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R, + w0, w1, il, ir, t0, t1); + kll ^= w0; klr ^= w1; + + /* generate KA dependent subkeys */ + /* k1, k2 */ + subL[2] = kll; subR[2] = klr; + subL[3] = krl; subR[3] = krr; + ROLDQ(kll, klr, krl, krr, w0, w1, 15); + /* k5,k6 */ + subL[6] = kll; subR[6] = klr; + subL[7] = krl; subR[7] = krr; + ROLDQ(kll, klr, krl, krr, w0, w1, 15); + /* kl1, kl2 */ + subL[8] = kll; subR[8] = klr; + subL[9] = krl; subR[9] = krr; + ROLDQ(kll, klr, krl, krr, w0, w1, 15); + /* k9 */ + subL[12] = kll; subR[12] = klr; + ROLDQ(kll, klr, krl, krr, w0, w1, 15); + /* k11, k12 */ + subL[14] = kll; subR[14] = klr; + subL[15] = krl; subR[15] = krr; + ROLDQo32(kll, klr, krl, krr, w0, w1, 34); + /* k15, k16 */ + subL[20] = kll; subR[20] = klr; + subL[21] = krl; subR[21] = krr; + ROLDQ(kll, klr, krl, krr, w0, w1, 17); + /* kw3, kw4 */ + subL[24] = kll; subR[24] = klr; + subL[25] = krl; subR[25] = krr; + + camellia_setup_tail(subkey, subL, subR, 24); +} + +static void camellia_setup256(const unsigned char *key, u32 *subkey) +{ + u32 kll, klr, krl, krr; /* left half of key */ + u32 krll, krlr, krrl, krrr; /* right half of key */ + u32 il, ir, t0, t1, w0, w1; /* temporary variables */ + u32 subL[34]; + u32 subR[34]; + + /** + * key = (kll || klr || krl || krr || krll || krlr || krrl || krrr) + * (|| is concatenation) + */ + 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); + + /* generate KL dependent subkeys */ + /* kw1 */ + subL[0] = kll; subR[0] = klr; + /* kw2 */ + subL[1] = krl; subR[1] = krr; + ROLDQo32(kll, klr, krl, krr, w0, w1, 45); + /* k9 */ + subL[12] = kll; subR[12] = klr; + /* k10 */ + subL[13] = krl; subR[13] = krr; + ROLDQ(kll, klr, krl, krr, w0, w1, 15); + /* kl3 */ + subL[16] = kll; subR[16] = klr; + /* kl4 */ + subL[17] = krl; subR[17] = krr; + ROLDQ(kll, klr, krl, krr, w0, w1, 17); + /* k17 */ + subL[22] = kll; subR[22] = klr; + /* k18 */ + subL[23] = krl; subR[23] = krr; + ROLDQo32(kll, klr, krl, krr, w0, w1, 34); + /* k23 */ + subL[30] = kll; subR[30] = klr; + /* k24 */ + subL[31] = krl; subR[31] = krr; + + /* generate KR dependent subkeys */ + ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); + /* k3 */ + subL[4] = krll; subR[4] = krlr; + /* k4 */ + subL[5] = krrl; subR[5] = krrr; + ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); + /* kl1 */ + subL[8] = krll; subR[8] = krlr; + /* kl2 */ + subL[9] = krrl; subR[9] = krrr; + ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); + /* k13 */ + subL[18] = krll; subR[18] = krlr; + /* k14 */ + subL[19] = krrl; subR[19] = krrr; + ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); + /* k19 */ + subL[26] = krll; subR[26] = krlr; + /* k20 */ + subL[27] = krrl; subR[27] = krrr; + ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); + + /* generate KA */ + kll = subL[0] ^ krll; klr = subR[0] ^ krlr; + krl = subL[1] ^ krrl; krr = subR[1] ^ krrr; + CAMELLIA_F(kll, klr, + CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R, + w0, w1, il, ir, t0, t1); + krl ^= w0; krr ^= w1; + CAMELLIA_F(krl, krr, + CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R, + kll, klr, il, ir, t0, t1); + kll ^= krll; klr ^= krlr; + CAMELLIA_F(kll, klr, + CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R, + krl, krr, il, ir, t0, t1); + krl ^= w0 ^ krrl; krr ^= w1 ^ krrr; + CAMELLIA_F(krl, krr, + CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R, + w0, w1, il, ir, t0, t1); + kll ^= w0; klr ^= w1; + + /* generate KB */ + krll ^= kll; krlr ^= klr; + krrl ^= krl; krrr ^= krr; + CAMELLIA_F(krll, krlr, + CAMELLIA_SIGMA5L, CAMELLIA_SIGMA5R, + w0, w1, il, ir, t0, t1); + krrl ^= w0; krrr ^= w1; + CAMELLIA_F(krrl, krrr, + CAMELLIA_SIGMA6L, CAMELLIA_SIGMA6R, + w0, w1, il, ir, t0, t1); + krll ^= w0; krlr ^= w1; + + /* generate KA dependent subkeys */ + ROLDQ(kll, klr, krl, krr, w0, w1, 15); + /* k5 */ + subL[6] = kll; subR[6] = klr; + /* k6 */ + subL[7] = krl; subR[7] = krr; + ROLDQ(kll, klr, krl, krr, w0, w1, 30); + /* k11 */ + subL[14] = kll; subR[14] = klr; + /* k12 */ + subL[15] = krl; subR[15] = krr; + /* rotation left shift 32bit */ + /* kl5 */ + subL[24] = klr; subR[24] = krl; + /* kl6 */ + subL[25] = krr; subR[25] = kll; + /* rotation left shift 49 from k11,k12 -> k21,k22 */ + ROLDQo32(kll, klr, krl, krr, w0, w1, 49); + /* k21 */ + subL[28] = kll; subR[28] = klr; + /* k22 */ + subL[29] = krl; subR[29] = krr; + + /* generate KB dependent subkeys */ + /* k1 */ + subL[2] = krll; subR[2] = krlr; + /* k2 */ + subL[3] = krrl; subR[3] = krrr; + ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); + /* k7 */ + subL[10] = krll; subR[10] = krlr; + /* k8 */ + subL[11] = krrl; subR[11] = krrr; + ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); + /* k15 */ + subL[20] = krll; subR[20] = krlr; + /* k16 */ + subL[21] = krrl; subR[21] = krrr; + ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 51); + /* kw3 */ + subL[32] = krll; subR[32] = krlr; + /* kw4 */ + subL[33] = krrl; subR[33] = krrr; + + camellia_setup_tail(subkey, subL, subR, 32); +} + +static void camellia_setup192(const unsigned char *key, u32 *subkey) +{ + unsigned char kk[32]; + u32 krll, krlr, krrl, krrr; + + memcpy(kk, key, 24); + memcpy((unsigned char *)&krll, key+16, 4); + memcpy((unsigned char *)&krlr, key+20, 4); + krrl = ~krll; + krrr = ~krlr; + memcpy(kk+24, (unsigned char *)&krrl, 4); + memcpy(kk+28, (unsigned char *)&krrr, 4); + camellia_setup256(kk, subkey); +} + + +/* + * Encrypt/decrypt + */ +#define CAMELLIA_FLS(ll, lr, rl, rr, kll, klr, krl, krr, t0, t1, t2, t3) ({ \ + t0 = kll; \ + t2 = krr; \ + t0 &= ll; \ + t2 |= rr; \ + rl ^= t2; \ + lr ^= rol32(t0, 1); \ + t3 = krl; \ + t1 = klr; \ + t3 &= rl; \ + t1 |= lr; \ + ll ^= t1; \ + rr ^= rol32(t3, 1); \ +}) + +#define CAMELLIA_ROUNDSM(xl, xr, kl, kr, yl, yr, il, ir) ({ \ + yl ^= kl; \ + yr ^= kr; \ + ir = camellia_sp1110[(u8)xr]; \ + il = camellia_sp1110[(u8)(xl >> 24)]; \ + ir ^= camellia_sp0222[(u8)(xr >> 24)]; \ + 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]; \ + ir ^= il; \ + yl ^= ir; \ + yr ^= ror32(il, 8) ^ ir; \ +}) + +/* max = 24: 128bit encrypt, max = 32: 256bit encrypt */ +static void camellia_do_encrypt(const u32 *subkey, u32 *io, unsigned max) +{ + u32 il, ir, t0, t1; /* temporary variables */ + + /* pre whitening but absorb kw2 */ + io[0] ^= SUBKEY_L(0); + io[1] ^= SUBKEY_R(0); + + /* main iteration */ +#define ROUNDS(i) ({ \ + 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); \ +}) +#define FLS(i) ({ \ + 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); \ +}) + + ROUNDS(0); + FLS(8); + ROUNDS(8); + FLS(16); + ROUNDS(16); + if (max == 32) { + FLS(24); + ROUNDS(24); + } + +#undef ROUNDS +#undef FLS + + /* post whitening but kw4 */ + io[2] ^= SUBKEY_L(max); + io[3] ^= SUBKEY_R(max); + /* NB: io[0],[1] should be swapped with [2],[3] by caller! */ +} + +static void camellia_do_decrypt(const u32 *subkey, u32 *io, unsigned i) +{ + u32 il, ir, t0, t1; /* temporary variables */ + + /* pre whitening but absorb kw2 */ + io[0] ^= SUBKEY_L(i); + io[1] ^= SUBKEY_R(i); + + /* main iteration */ +#define ROUNDS(i) ({ \ + 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); \ +}) +#define FLS(i) ({ \ + 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); \ +}) + + if (i == 32) { + ROUNDS(24); + FLS(24); + } + ROUNDS(16); + FLS(16); + ROUNDS(8); + FLS(8); + ROUNDS(0); + +#undef ROUNDS +#undef FLS + + /* post whitening but kw4 */ + io[2] ^= SUBKEY_L(0); + io[3] ^= SUBKEY_R(0); + /* NB: 0,1 should be swapped with 2,3 by caller! */ +} + + +struct camellia_ctx { + int key_length; + u32 key_table[CAMELLIA_TABLE_BYTE_LEN / sizeof(u32)]; +}; + +static int +camellia_set_key(struct crypto_tfm *tfm, const u8 *in_key, + unsigned int key_len) +{ + struct camellia_ctx *cctx = crypto_tfm_ctx(tfm); + const unsigned char *key = (const unsigned char *)in_key; + u32 *flags = &tfm->crt_flags; + + if (key_len != 16 && key_len != 24 && key_len != 32) { + *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; + return -EINVAL; + } + + cctx->key_length = key_len; + + switch (key_len) { + case 16: + camellia_setup128(key, cctx->key_table); + break; + case 24: + camellia_setup192(key, cctx->key_table); + break; + case 32: + camellia_setup256(key, cctx->key_table); + break; + } + + return 0; +} + +static void camellia_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) +{ + const struct camellia_ctx *cctx = crypto_tfm_ctx(tfm); + const __be32 *src = (const __be32 *)in; + __be32 *dst = (__be32 *)out; + unsigned int max; + + u32 tmp[4]; + + 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]); + + 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); + + /* 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]); +} + +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; + unsigned int max; + + u32 tmp[4]; + + 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]); + + 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); + + /* 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]); +} + +static struct crypto_alg camellia_alg = { + .cra_name = "camellia", + .cra_driver_name = "camellia-generic", + .cra_priority = 100, + .cra_flags = CRYPTO_ALG_TYPE_CIPHER, + .cra_blocksize = CAMELLIA_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct camellia_ctx), + .cra_alignmask = 3, + .cra_module = THIS_MODULE, + .cra_list = LIST_HEAD_INIT(camellia_alg.cra_list), + .cra_u = { + .cipher = { + .cia_min_keysize = CAMELLIA_MIN_KEY_SIZE, + .cia_max_keysize = CAMELLIA_MAX_KEY_SIZE, + .cia_setkey = camellia_set_key, + .cia_encrypt = camellia_encrypt, + .cia_decrypt = camellia_decrypt + } + } +}; + +static int __init camellia_init(void) +{ + return crypto_register_alg(&camellia_alg); +} + +static void __exit camellia_fini(void) +{ + crypto_unregister_alg(&camellia_alg); +} + +module_init(camellia_init); +module_exit(camellia_fini); + +MODULE_DESCRIPTION("Camellia Cipher Algorithm"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("camellia"); -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
