#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
-#define CAMELLIA_TABLE_WORD_LEN (CAMELLIA_TABLE_BYTE_LEN / 4)
+#define CAMELLIA_BLOCK_SIZE 16
+#define CAMELLIA_TABLE_BYTE_LEN 272
-typedef u32 KEY_TABLE_TYPE[CAMELLIA_TABLE_WORD_LEN];
+/*
+ * 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_SIGMA6L (0xB05688C2L)
#define CAMELLIA_SIGMA6R (0xB3E6C1FDL)
-struct camellia_ctx {
- int key_length;
- KEY_TABLE_TYPE key_table;
-};
-
-
/*
* macros
*/
-
-
-# define GETU32(pt) (((u32)(pt)[0] << 24) \
- ^ ((u32)(pt)[1] << 16) \
- ^ ((u32)(pt)[2] << 8) \
- ^ ((u32)(pt)[3]))
-
-#define COPY4WORD(dst, src) \
- do { \
- (dst)[0]=(src)[0]; \
- (dst)[1]=(src)[1]; \
- (dst)[2]=(src)[2]; \
- (dst)[3]=(src)[3]; \
- }while(0)
-
-#define SWAP4WORD(word) \
- do { \
- CAMELLIA_SWAP4((word)[0]); \
- CAMELLIA_SWAP4((word)[1]); \
- CAMELLIA_SWAP4((word)[2]); \
- CAMELLIA_SWAP4((word)[3]); \
- }while(0)
-
-#define XOR4WORD(a, b)/* a = a ^ b */ \
- do { \
- (a)[0]^=(b)[0]; \
- (a)[1]^=(b)[1]; \
- (a)[2]^=(b)[2]; \
- (a)[3]^=(b)[3]; \
- }while(0)
-
-#define XOR4WORD2(a, b, c)/* a = b ^ c */ \
- do { \
- (a)[0]=(b)[0]^(c)[0]; \
- (a)[1]=(b)[1]^(c)[1]; \
- (a)[2]=(b)[2]^(c)[2]; \
- (a)[3]=(b)[3]^(c)[3]; \
- }while(0)
-
-#define CAMELLIA_SUBKEY_L(INDEX) (subkey[(INDEX)*2])
-#define CAMELLIA_SUBKEY_R(INDEX) (subkey[(INDEX)*2 + 1])
-
-/* rotation right shift 1byte */
-#define CAMELLIA_RR8(x) (((x) >> 8) + ((x) << 24))
-/* rotation left shift 1bit */
-#define CAMELLIA_RL1(x) (((x) << 1) + ((x) >> 31))
-/* rotation left shift 1byte */
-#define CAMELLIA_RL8(x) (((x) << 8) + ((x) >> 24))
-
-#define CAMELLIA_ROLDQ(ll, lr, rl, rr, w0, w1, bits) \
+#define ROLDQ(ll, lr, rl, rr, w0, w1, bits) \
do { \
w0 = ll; \
ll = (ll << bits) + (lr >> (32 - bits)); \
lr = (lr << bits) + (rl >> (32 - bits)); \
rl = (rl << bits) + (rr >> (32 - bits)); \
rr = (rr << bits) + (w0 >> (32 - bits)); \
- } while(0)
+ } while (0)
-#define CAMELLIA_ROLDQo32(ll, lr, rl, rr, w0, w1, bits) \
+#define ROLDQo32(ll, lr, rl, rr, w0, w1, bits) \
do { \
w0 = ll; \
w1 = lr; \
lr = (rl << (bits - 32)) + (rr >> (64 - bits)); \
rl = (rr << (bits - 32)) + (w0 >> (64 - bits)); \
rr = (w0 << (bits - 32)) + (w1 >> (64 - bits)); \
- } while(0)
-
-#define CAMELLIA_SP1110(INDEX) (camellia_sp1110[(INDEX)])
-#define CAMELLIA_SP0222(INDEX) (camellia_sp0222[(INDEX)])
-#define CAMELLIA_SP3033(INDEX) (camellia_sp3033[(INDEX)])
-#define CAMELLIA_SP4404(INDEX) (camellia_sp4404[(INDEX)])
+ } while (0)
#define CAMELLIA_F(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \
do { \
ir = xr ^ kr; \
t0 = il >> 16; \
t1 = ir >> 16; \
- yl = CAMELLIA_SP1110(ir & 0xff) \
- ^ CAMELLIA_SP0222((t1 >> 8) & 0xff) \
- ^ CAMELLIA_SP3033(t1 & 0xff) \
- ^ CAMELLIA_SP4404((ir >> 8) & 0xff); \
- yr = CAMELLIA_SP1110((t0 >> 8) & 0xff) \
- ^ CAMELLIA_SP0222(t0 & 0xff) \
- ^ CAMELLIA_SP3033((il >> 8) & 0xff) \
- ^ CAMELLIA_SP4404(il & 0xff); \
+ yl = camellia_sp1110[(u8)(ir )] \
+ ^ camellia_sp0222[ (t1 >> 8)] \
+ ^ camellia_sp3033[(u8)(t1 )] \
+ ^ camellia_sp4404[(u8)(ir >> 8)]; \
+ yr = camellia_sp1110[ (t0 >> 8)] \
+ ^ camellia_sp0222[(u8)(t0 )] \
+ ^ camellia_sp3033[(u8)(il >> 8)] \
+ ^ camellia_sp4404[(u8)(il )]; \
yl ^= yr; \
- yr = CAMELLIA_RR8(yr); \
+ yr = ror32(yr, 8); \
yr ^= yl; \
- } while(0)
-
-
-/*
- * for speed up
- *
- */
-#define CAMELLIA_FLS(ll, lr, rl, rr, kll, klr, krl, krr, t0, t1, t2, t3) \
- do { \
- t0 = kll; \
- t2 = krr; \
- t0 &= ll; \
- t2 |= rr; \
- rl ^= t2; \
- lr ^= CAMELLIA_RL1(t0); \
- t3 = krl; \
- t1 = klr; \
- t3 &= rl; \
- t1 |= lr; \
- ll ^= t1; \
- rr ^= CAMELLIA_RL1(t3); \
- } while(0)
+ } while (0)
-#define CAMELLIA_ROUNDSM(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \
- do { \
- ir = CAMELLIA_SP1110(xr & 0xff); \
- il = CAMELLIA_SP1110((xl>>24) & 0xff); \
- ir ^= CAMELLIA_SP0222((xr>>24) & 0xff); \
- il ^= CAMELLIA_SP0222((xl>>16) & 0xff); \
- ir ^= CAMELLIA_SP3033((xr>>16) & 0xff); \
- il ^= CAMELLIA_SP3033((xl>>8) & 0xff); \
- ir ^= CAMELLIA_SP4404((xr>>8) & 0xff); \
- il ^= CAMELLIA_SP4404(xl & 0xff); \
- il ^= kl; \
- ir ^= il ^ kr; \
- yl ^= ir; \
- yr ^= CAMELLIA_RR8(il) ^ ir; \
- } while(0)
-
-/**
- * Stuff related to the Camellia key schedule
- */
-#define SUBL(x) subL[(x)]
-#define SUBR(x) subR[(x)]
+#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;
+ int i;
-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,
-};
+ /* 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];
-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,
-};
+ /* 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];
-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,
-};
+ /* 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];
+ }
+ /* apply the inverse of the last half of P-function */
+ i = 2;
+ do {
+ dw = SUBKEY_L(i + 0) ^ SUBKEY_R(i + 0); dw = rol32(dw, 8);/* round 1 */
+ SUBKEY_R(i + 0) = SUBKEY_L(i + 0) ^ dw; SUBKEY_L(i + 0) = dw;
+ dw = SUBKEY_L(i + 1) ^ SUBKEY_R(i + 1); dw = rol32(dw, 8);/* round 2 */
+ SUBKEY_R(i + 1) = SUBKEY_L(i + 1) ^ dw; SUBKEY_L(i + 1) = dw;
+ dw = SUBKEY_L(i + 2) ^ SUBKEY_R(i + 2); dw = rol32(dw, 8);/* round 3 */
+ SUBKEY_R(i + 2) = SUBKEY_L(i + 2) ^ dw; SUBKEY_L(i + 2) = dw;
+ dw = SUBKEY_L(i + 3) ^ SUBKEY_R(i + 3); dw = rol32(dw, 8);/* round 4 */
+ SUBKEY_R(i + 3) = SUBKEY_L(i + 3) ^ dw; SUBKEY_L(i + 3) = dw;
+ dw = SUBKEY_L(i + 4) ^ SUBKEY_R(i + 4); dw = rol32(dw, 8);/* round 5 */
+ SUBKEY_R(i + 4) = SUBKEY_L(i + 4) ^ dw; SUBKEY_L(i + 4) = dw;
+ dw = SUBKEY_L(i + 5) ^ SUBKEY_R(i + 5); dw = rol32(dw, 8);/* round 6 */
+ SUBKEY_R(i + 5) = SUBKEY_L(i + 5) ^ dw; SUBKEY_L(i + 5) = dw;
+ i += 8;
+ } while (i < max);
+}
static void camellia_setup128(const unsigned char *key, u32 *subkey)
{
u32 kll, klr, krl, krr;
u32 il, ir, t0, t1, w0, w1;
- u32 kw4l, kw4r, dw, tl, tr;
u32 subL[26];
u32 subR[26];
/**
- * k == kll || klr || krl || krr (|| is concatination)
- */
- kll = GETU32(key );
- klr = GETU32(key + 4);
- krl = GETU32(key + 8);
- krr = GETU32(key + 12);
- /**
- * generate KL dependent subkeys
+ * 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;
+ subL[0] = kll; subR[0] = klr;
/* kw2 */
- SUBL(1) = krl; SUBR(1) = krr;
+ subL[1] = krl; subR[1] = krr;
/* rotation left shift 15bit */
- CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
+ ROLDQ(kll, klr, krl, krr, w0, w1, 15);
/* k3 */
- SUBL(4) = kll; SUBR(4) = klr;
+ subL[4] = kll; subR[4] = klr;
/* k4 */
- SUBL(5) = krl; SUBR(5) = krr;
+ subL[5] = krl; subR[5] = krr;
/* rotation left shift 15+30bit */
- CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30);
+ ROLDQ(kll, klr, krl, krr, w0, w1, 30);
/* k7 */
- SUBL(10) = kll; SUBR(10) = klr;
+ subL[10] = kll; subR[10] = klr;
/* k8 */
- SUBL(11) = krl; SUBR(11) = krr;
+ subL[11] = krl; subR[11] = krr;
/* rotation left shift 15+30+15bit */
- CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
+ ROLDQ(kll, klr, krl, krr, w0, w1, 15);
/* k10 */
- SUBL(13) = krl; SUBR(13) = krr;
+ subL[13] = krl; subR[13] = krr;
/* rotation left shift 15+30+15+17 bit */
- CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
+ ROLDQ(kll, klr, krl, krr, w0, w1, 17);
/* kl3 */
- SUBL(16) = kll; SUBR(16) = klr;
+ subL[16] = kll; subR[16] = klr;
/* kl4 */
- SUBL(17) = krl; SUBR(17) = krr;
+ subL[17] = krl; subR[17] = krr;
/* rotation left shift 15+30+15+17+17 bit */
- CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
+ ROLDQ(kll, klr, krl, krr, w0, w1, 17);
/* k13 */
- SUBL(18) = kll; SUBR(18) = klr;
+ subL[18] = kll; subR[18] = klr;
/* k14 */
- SUBL(19) = krl; SUBR(19) = krr;
+ subL[19] = krl; subR[19] = krr;
/* rotation left shift 15+30+15+17+17+17 bit */
- CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
+ ROLDQ(kll, klr, krl, krr, w0, w1, 17);
/* k17 */
- SUBL(22) = kll; SUBR(22) = klr;
+ subL[22] = kll; subR[22] = klr;
/* k18 */
- SUBL(23) = krl; SUBR(23) = krr;
+ subL[23] = krl; subR[23] = krr;
/* generate KA */
- kll = SUBL(0); klr = SUBR(0);
- krl = SUBL(1); krr = SUBR(1);
+ 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);
/* generate KA dependent subkeys */
/* k1, k2 */
- SUBL(2) = kll; SUBR(2) = klr;
- SUBL(3) = krl; SUBR(3) = krr;
- CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
+ 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;
- CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
+ 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;
- CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
+ 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;
- CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
+ 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;
- CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34);
+ 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;
- CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
+ 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;
-
-
- /* absorb kw2 to other subkeys */
- /* round 2 */
- SUBL(3) ^= SUBL(1); SUBR(3) ^= SUBR(1);
- /* round 4 */
- SUBL(5) ^= SUBL(1); SUBR(5) ^= SUBR(1);
- /* round 6 */
- SUBL(7) ^= SUBL(1); SUBR(7) ^= SUBR(1);
- SUBL(1) ^= SUBR(1) & ~SUBR(9);
- dw = SUBL(1) & SUBL(9),
- SUBR(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl2) */
- /* round 8 */
- SUBL(11) ^= SUBL(1); SUBR(11) ^= SUBR(1);
- /* round 10 */
- SUBL(13) ^= SUBL(1); SUBR(13) ^= SUBR(1);
- /* round 12 */
- SUBL(15) ^= SUBL(1); SUBR(15) ^= SUBR(1);
- SUBL(1) ^= SUBR(1) & ~SUBR(17);
- dw = SUBL(1) & SUBL(17),
- SUBR(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl4) */
- /* round 14 */
- SUBL(19) ^= SUBL(1); SUBR(19) ^= SUBR(1);
- /* round 16 */
- SUBL(21) ^= SUBL(1); SUBR(21) ^= SUBR(1);
- /* round 18 */
- SUBL(23) ^= SUBL(1); SUBR(23) ^= SUBR(1);
- /* kw3 */
- SUBL(24) ^= SUBL(1); SUBR(24) ^= SUBR(1);
-
- /* absorb kw4 to other subkeys */
- kw4l = SUBL(25); kw4r = SUBR(25);
- /* round 17 */
- SUBL(22) ^= kw4l; SUBR(22) ^= kw4r;
- /* round 15 */
- SUBL(20) ^= kw4l; SUBR(20) ^= kw4r;
- /* round 13 */
- SUBL(18) ^= kw4l; SUBR(18) ^= kw4r;
- kw4l ^= kw4r & ~SUBR(16);
- dw = kw4l & SUBL(16),
- kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl3) */
- /* round 11 */
- SUBL(14) ^= kw4l; SUBR(14) ^= kw4r;
- /* round 9 */
- SUBL(12) ^= kw4l; SUBR(12) ^= kw4r;
- /* round 7 */
- SUBL(10) ^= kw4l; SUBR(10) ^= kw4r;
- kw4l ^= kw4r & ~SUBR(8);
- dw = kw4l & SUBL(8),
- kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl1) */
- /* round 5 */
- SUBL(6) ^= kw4l; SUBR(6) ^= kw4r;
- /* round 3 */
- SUBL(4) ^= kw4l; SUBR(4) ^= kw4r;
- /* round 1 */
- SUBL(2) ^= kw4l; SUBR(2) ^= kw4r;
- /* kw1 */
- SUBL(0) ^= kw4l; SUBR(0) ^= kw4r;
-
-
- /* key XOR is end of F-function */
- CAMELLIA_SUBKEY_L(0) = SUBL(0) ^ SUBL(2);/* kw1 */
- CAMELLIA_SUBKEY_R(0) = SUBR(0) ^ SUBR(2);
- CAMELLIA_SUBKEY_L(2) = SUBL(3); /* round 1 */
- CAMELLIA_SUBKEY_R(2) = SUBR(3);
- CAMELLIA_SUBKEY_L(3) = SUBL(2) ^ SUBL(4); /* round 2 */
- CAMELLIA_SUBKEY_R(3) = SUBR(2) ^ SUBR(4);
- CAMELLIA_SUBKEY_L(4) = SUBL(3) ^ SUBL(5); /* round 3 */
- CAMELLIA_SUBKEY_R(4) = SUBR(3) ^ SUBR(5);
- CAMELLIA_SUBKEY_L(5) = SUBL(4) ^ SUBL(6); /* round 4 */
- CAMELLIA_SUBKEY_R(5) = SUBR(4) ^ SUBR(6);
- CAMELLIA_SUBKEY_L(6) = SUBL(5) ^ SUBL(7); /* round 5 */
- CAMELLIA_SUBKEY_R(6) = SUBR(5) ^ SUBR(7);
- tl = SUBL(10) ^ (SUBR(10) & ~SUBR(8));
- dw = tl & SUBL(8), /* FL(kl1) */
- tr = SUBR(10) ^ CAMELLIA_RL1(dw);
- CAMELLIA_SUBKEY_L(7) = SUBL(6) ^ tl; /* round 6 */
- CAMELLIA_SUBKEY_R(7) = SUBR(6) ^ tr;
- CAMELLIA_SUBKEY_L(8) = SUBL(8); /* FL(kl1) */
- CAMELLIA_SUBKEY_R(8) = SUBR(8);
- CAMELLIA_SUBKEY_L(9) = SUBL(9); /* FLinv(kl2) */
- CAMELLIA_SUBKEY_R(9) = SUBR(9);
- tl = SUBL(7) ^ (SUBR(7) & ~SUBR(9));
- dw = tl & SUBL(9), /* FLinv(kl2) */
- tr = SUBR(7) ^ CAMELLIA_RL1(dw);
- CAMELLIA_SUBKEY_L(10) = tl ^ SUBL(11); /* round 7 */
- CAMELLIA_SUBKEY_R(10) = tr ^ SUBR(11);
- CAMELLIA_SUBKEY_L(11) = SUBL(10) ^ SUBL(12); /* round 8 */
- CAMELLIA_SUBKEY_R(11) = SUBR(10) ^ SUBR(12);
- CAMELLIA_SUBKEY_L(12) = SUBL(11) ^ SUBL(13); /* round 9 */
- CAMELLIA_SUBKEY_R(12) = SUBR(11) ^ SUBR(13);
- CAMELLIA_SUBKEY_L(13) = SUBL(12) ^ SUBL(14); /* round 10 */
- CAMELLIA_SUBKEY_R(13) = SUBR(12) ^ SUBR(14);
- CAMELLIA_SUBKEY_L(14) = SUBL(13) ^ SUBL(15); /* round 11 */
- CAMELLIA_SUBKEY_R(14) = SUBR(13) ^ SUBR(15);
- tl = SUBL(18) ^ (SUBR(18) & ~SUBR(16));
- dw = tl & SUBL(16), /* FL(kl3) */
- tr = SUBR(18) ^ CAMELLIA_RL1(dw);
- CAMELLIA_SUBKEY_L(15) = SUBL(14) ^ tl; /* round 12 */
- CAMELLIA_SUBKEY_R(15) = SUBR(14) ^ tr;
- CAMELLIA_SUBKEY_L(16) = SUBL(16); /* FL(kl3) */
- CAMELLIA_SUBKEY_R(16) = SUBR(16);
- CAMELLIA_SUBKEY_L(17) = SUBL(17); /* FLinv(kl4) */
- CAMELLIA_SUBKEY_R(17) = SUBR(17);
- tl = SUBL(15) ^ (SUBR(15) & ~SUBR(17));
- dw = tl & SUBL(17), /* FLinv(kl4) */
- tr = SUBR(15) ^ CAMELLIA_RL1(dw);
- CAMELLIA_SUBKEY_L(18) = tl ^ SUBL(19); /* round 13 */
- CAMELLIA_SUBKEY_R(18) = tr ^ SUBR(19);
- CAMELLIA_SUBKEY_L(19) = SUBL(18) ^ SUBL(20); /* round 14 */
- CAMELLIA_SUBKEY_R(19) = SUBR(18) ^ SUBR(20);
- CAMELLIA_SUBKEY_L(20) = SUBL(19) ^ SUBL(21); /* round 15 */
- CAMELLIA_SUBKEY_R(20) = SUBR(19) ^ SUBR(21);
- CAMELLIA_SUBKEY_L(21) = SUBL(20) ^ SUBL(22); /* round 16 */
- CAMELLIA_SUBKEY_R(21) = SUBR(20) ^ SUBR(22);
- CAMELLIA_SUBKEY_L(22) = SUBL(21) ^ SUBL(23); /* round 17 */
- CAMELLIA_SUBKEY_R(22) = SUBR(21) ^ SUBR(23);
- CAMELLIA_SUBKEY_L(23) = SUBL(22); /* round 18 */
- CAMELLIA_SUBKEY_R(23) = SUBR(22);
- CAMELLIA_SUBKEY_L(24) = SUBL(24) ^ SUBL(23); /* kw3 */
- CAMELLIA_SUBKEY_R(24) = SUBR(24) ^ SUBR(23);
+ subL[24] = kll; subR[24] = klr;
+ subL[25] = krl; subR[25] = krr;
- /* apply the inverse of the last half of P-function */
- dw = CAMELLIA_SUBKEY_L(2) ^ CAMELLIA_SUBKEY_R(2),
- dw = CAMELLIA_RL8(dw);/* round 1 */
- CAMELLIA_SUBKEY_R(2) = CAMELLIA_SUBKEY_L(2) ^ dw,
- CAMELLIA_SUBKEY_L(2) = dw;
- dw = CAMELLIA_SUBKEY_L(3) ^ CAMELLIA_SUBKEY_R(3),
- dw = CAMELLIA_RL8(dw);/* round 2 */
- CAMELLIA_SUBKEY_R(3) = CAMELLIA_SUBKEY_L(3) ^ dw,
- CAMELLIA_SUBKEY_L(3) = dw;
- dw = CAMELLIA_SUBKEY_L(4) ^ CAMELLIA_SUBKEY_R(4),
- dw = CAMELLIA_RL8(dw);/* round 3 */
- CAMELLIA_SUBKEY_R(4) = CAMELLIA_SUBKEY_L(4) ^ dw,
- CAMELLIA_SUBKEY_L(4) = dw;
- dw = CAMELLIA_SUBKEY_L(5) ^ CAMELLIA_SUBKEY_R(5),
- dw = CAMELLIA_RL8(dw);/* round 4 */
- CAMELLIA_SUBKEY_R(5) = CAMELLIA_SUBKEY_L(5) ^ dw,
- CAMELLIA_SUBKEY_L(5) = dw;
- dw = CAMELLIA_SUBKEY_L(6) ^ CAMELLIA_SUBKEY_R(6),
- dw = CAMELLIA_RL8(dw);/* round 5 */
- CAMELLIA_SUBKEY_R(6) = CAMELLIA_SUBKEY_L(6) ^ dw,
- CAMELLIA_SUBKEY_L(6) = dw;
- dw = CAMELLIA_SUBKEY_L(7) ^ CAMELLIA_SUBKEY_R(7),
- dw = CAMELLIA_RL8(dw);/* round 6 */
- CAMELLIA_SUBKEY_R(7) = CAMELLIA_SUBKEY_L(7) ^ dw,
- CAMELLIA_SUBKEY_L(7) = dw;
- dw = CAMELLIA_SUBKEY_L(10) ^ CAMELLIA_SUBKEY_R(10),
- dw = CAMELLIA_RL8(dw);/* round 7 */
- CAMELLIA_SUBKEY_R(10) = CAMELLIA_SUBKEY_L(10) ^ dw,
- CAMELLIA_SUBKEY_L(10) = dw;
- dw = CAMELLIA_SUBKEY_L(11) ^ CAMELLIA_SUBKEY_R(11),
- dw = CAMELLIA_RL8(dw);/* round 8 */
- CAMELLIA_SUBKEY_R(11) = CAMELLIA_SUBKEY_L(11) ^ dw,
- CAMELLIA_SUBKEY_L(11) = dw;
- dw = CAMELLIA_SUBKEY_L(12) ^ CAMELLIA_SUBKEY_R(12),
- dw = CAMELLIA_RL8(dw);/* round 9 */
- CAMELLIA_SUBKEY_R(12) = CAMELLIA_SUBKEY_L(12) ^ dw,
- CAMELLIA_SUBKEY_L(12) = dw;
- dw = CAMELLIA_SUBKEY_L(13) ^ CAMELLIA_SUBKEY_R(13),
- dw = CAMELLIA_RL8(dw);/* round 10 */
- CAMELLIA_SUBKEY_R(13) = CAMELLIA_SUBKEY_L(13) ^ dw,
- CAMELLIA_SUBKEY_L(13) = dw;
- dw = CAMELLIA_SUBKEY_L(14) ^ CAMELLIA_SUBKEY_R(14),
- dw = CAMELLIA_RL8(dw);/* round 11 */
- CAMELLIA_SUBKEY_R(14) = CAMELLIA_SUBKEY_L(14) ^ dw,
- CAMELLIA_SUBKEY_L(14) = dw;
- dw = CAMELLIA_SUBKEY_L(15) ^ CAMELLIA_SUBKEY_R(15),
- dw = CAMELLIA_RL8(dw);/* round 12 */
- CAMELLIA_SUBKEY_R(15) = CAMELLIA_SUBKEY_L(15) ^ dw,
- CAMELLIA_SUBKEY_L(15) = dw;
- dw = CAMELLIA_SUBKEY_L(18) ^ CAMELLIA_SUBKEY_R(18),
- dw = CAMELLIA_RL8(dw);/* round 13 */
- CAMELLIA_SUBKEY_R(18) = CAMELLIA_SUBKEY_L(18) ^ dw,
- CAMELLIA_SUBKEY_L(18) = dw;
- dw = CAMELLIA_SUBKEY_L(19) ^ CAMELLIA_SUBKEY_R(19),
- dw = CAMELLIA_RL8(dw);/* round 14 */
- CAMELLIA_SUBKEY_R(19) = CAMELLIA_SUBKEY_L(19) ^ dw,
- CAMELLIA_SUBKEY_L(19) = dw;
- dw = CAMELLIA_SUBKEY_L(20) ^ CAMELLIA_SUBKEY_R(20),
- dw = CAMELLIA_RL8(dw);/* round 15 */
- CAMELLIA_SUBKEY_R(20) = CAMELLIA_SUBKEY_L(20) ^ dw,
- CAMELLIA_SUBKEY_L(20) = dw;
- dw = CAMELLIA_SUBKEY_L(21) ^ CAMELLIA_SUBKEY_R(21),
- dw = CAMELLIA_RL8(dw);/* round 16 */
- CAMELLIA_SUBKEY_R(21) = CAMELLIA_SUBKEY_L(21) ^ dw,
- CAMELLIA_SUBKEY_L(21) = dw;
- dw = CAMELLIA_SUBKEY_L(22) ^ CAMELLIA_SUBKEY_R(22),
- dw = CAMELLIA_RL8(dw);/* round 17 */
- CAMELLIA_SUBKEY_R(22) = CAMELLIA_SUBKEY_L(22) ^ dw,
- CAMELLIA_SUBKEY_L(22) = dw;
- dw = CAMELLIA_SUBKEY_L(23) ^ CAMELLIA_SUBKEY_R(23),
- dw = CAMELLIA_RL8(dw);/* round 18 */
- CAMELLIA_SUBKEY_R(23) = CAMELLIA_SUBKEY_L(23) ^ dw,
- CAMELLIA_SUBKEY_L(23) = dw;
-
- return;
+ 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 kll, klr, krl, krr; /* left half of key */
+ u32 krll, krlr, krrl, krrr; /* right half of key */
u32 il, ir, t0, t1, w0, w1; /* temporary variables */
- u32 kw4l, kw4r, dw, tl, tr;
u32 subL[34];
u32 subR[34];
/**
* key = (kll || klr || krl || krr || krll || krlr || krrl || krrr)
- * (|| is concatination)
+ * (|| is concatenation)
*/
-
- kll = GETU32(key );
- klr = GETU32(key + 4);
- krl = GETU32(key + 8);
- krr = GETU32(key + 12);
- krll = GETU32(key + 16);
- krlr = GETU32(key + 20);
- krrl = GETU32(key + 24);
- krrr = GETU32(key + 28);
+ 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;
+ subL[0] = kll; subR[0] = klr;
/* kw2 */
- SUBL(1) = krl; SUBR(1) = krr;
- CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 45);
+ subL[1] = krl; subR[1] = krr;
+ ROLDQo32(kll, klr, krl, krr, w0, w1, 45);
/* k9 */
- SUBL(12) = kll; SUBR(12) = klr;
+ subL[12] = kll; subR[12] = klr;
/* k10 */
- SUBL(13) = krl; SUBR(13) = krr;
- CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
+ subL[13] = krl; subR[13] = krr;
+ ROLDQ(kll, klr, krl, krr, w0, w1, 15);
/* kl3 */
- SUBL(16) = kll; SUBR(16) = klr;
+ subL[16] = kll; subR[16] = klr;
/* kl4 */
- SUBL(17) = krl; SUBR(17) = krr;
- CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
+ subL[17] = krl; subR[17] = krr;
+ ROLDQ(kll, klr, krl, krr, w0, w1, 17);
/* k17 */
- SUBL(22) = kll; SUBR(22) = klr;
+ subL[22] = kll; subR[22] = klr;
/* k18 */
- SUBL(23) = krl; SUBR(23) = krr;
- CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34);
+ subL[23] = krl; subR[23] = krr;
+ ROLDQo32(kll, klr, krl, krr, w0, w1, 34);
/* k23 */
- SUBL(30) = kll; SUBR(30) = klr;
+ subL[30] = kll; subR[30] = klr;
/* k24 */
- SUBL(31) = krl; SUBR(31) = krr;
+ subL[31] = krl; subR[31] = krr;
/* generate KR dependent subkeys */
- CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15);
+ ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15);
/* k3 */
- SUBL(4) = krll; SUBR(4) = krlr;
+ subL[4] = krll; subR[4] = krlr;
/* k4 */
- SUBL(5) = krrl; SUBR(5) = krrr;
- CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15);
+ subL[5] = krrl; subR[5] = krrr;
+ ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15);
/* kl1 */
- SUBL(8) = krll; SUBR(8) = krlr;
+ subL[8] = krll; subR[8] = krlr;
/* kl2 */
- SUBL(9) = krrl; SUBR(9) = krrr;
- CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
+ subL[9] = krrl; subR[9] = krrr;
+ ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
/* k13 */
- SUBL(18) = krll; SUBR(18) = krlr;
+ subL[18] = krll; subR[18] = krlr;
/* k14 */
- SUBL(19) = krrl; SUBR(19) = krrr;
- CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34);
+ subL[19] = krrl; subR[19] = krrr;
+ ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34);
/* k19 */
- SUBL(26) = krll; SUBR(26) = krlr;
+ subL[26] = krll; subR[26] = krlr;
/* k20 */
- SUBL(27) = krrl; SUBR(27) = krrr;
- CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34);
+ 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;
+ 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);
krll ^= w0; krlr ^= w1;
/* generate KA dependent subkeys */
- CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
+ ROLDQ(kll, klr, krl, krr, w0, w1, 15);
/* k5 */
- SUBL(6) = kll; SUBR(6) = klr;
+ subL[6] = kll; subR[6] = klr;
/* k6 */
- SUBL(7) = krl; SUBR(7) = krr;
- CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30);
+ subL[7] = krl; subR[7] = krr;
+ ROLDQ(kll, klr, krl, krr, w0, w1, 30);
/* k11 */
- SUBL(14) = kll; SUBR(14) = klr;
+ subL[14] = kll; subR[14] = klr;
/* k12 */
- SUBL(15) = krl; SUBR(15) = krr;
+ subL[15] = krl; subR[15] = krr;
/* rotation left shift 32bit */
/* kl5 */
- SUBL(24) = klr; SUBR(24) = krl;
+ subL[24] = klr; subR[24] = krl;
/* kl6 */
- SUBL(25) = krr; SUBR(25) = kll;
+ subL[25] = krr; subR[25] = kll;
/* rotation left shift 49 from k11,k12 -> k21,k22 */
- CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 49);
+ ROLDQo32(kll, klr, krl, krr, w0, w1, 49);
/* k21 */
- SUBL(28) = kll; SUBR(28) = klr;
+ subL[28] = kll; subR[28] = klr;
/* k22 */
- SUBL(29) = krl; SUBR(29) = krr;
+ subL[29] = krl; subR[29] = krr;
/* generate KB dependent subkeys */
/* k1 */
- SUBL(2) = krll; SUBR(2) = krlr;
+ subL[2] = krll; subR[2] = krlr;
/* k2 */
- SUBL(3) = krrl; SUBR(3) = krrr;
- CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
+ subL[3] = krrl; subR[3] = krrr;
+ ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
/* k7 */
- SUBL(10) = krll; SUBR(10) = krlr;
+ subL[10] = krll; subR[10] = krlr;
/* k8 */
- SUBL(11) = krrl; SUBR(11) = krrr;
- CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
+ subL[11] = krrl; subR[11] = krrr;
+ ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
/* k15 */
- SUBL(20) = krll; SUBR(20) = krlr;
+ subL[20] = krll; subR[20] = krlr;
/* k16 */
- SUBL(21) = krrl; SUBR(21) = krrr;
- CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 51);
+ subL[21] = krrl; subR[21] = krrr;
+ ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 51);
/* kw3 */
- SUBL(32) = krll; SUBR(32) = krlr;
+ subL[32] = krll; subR[32] = krlr;
/* kw4 */
- SUBL(33) = krrl; SUBR(33) = krrr;
-
- /* absorb kw2 to other subkeys */
- /* round 2 */
- SUBL(3) ^= SUBL(1); SUBR(3) ^= SUBR(1);
- /* round 4 */
- SUBL(5) ^= SUBL(1); SUBR(5) ^= SUBR(1);
- /* round 6 */
- SUBL(7) ^= SUBL(1); SUBR(7) ^= SUBR(1);
- SUBL(1) ^= SUBR(1) & ~SUBR(9);
- dw = SUBL(1) & SUBL(9),
- SUBR(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl2) */
- /* round 8 */
- SUBL(11) ^= SUBL(1); SUBR(11) ^= SUBR(1);
- /* round 10 */
- SUBL(13) ^= SUBL(1); SUBR(13) ^= SUBR(1);
- /* round 12 */
- SUBL(15) ^= SUBL(1); SUBR(15) ^= SUBR(1);
- SUBL(1) ^= SUBR(1) & ~SUBR(17);
- dw = SUBL(1) & SUBL(17),
- SUBR(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl4) */
- /* round 14 */
- SUBL(19) ^= SUBL(1); SUBR(19) ^= SUBR(1);
- /* round 16 */
- SUBL(21) ^= SUBL(1); SUBR(21) ^= SUBR(1);
- /* round 18 */
- SUBL(23) ^= SUBL(1); SUBR(23) ^= SUBR(1);
- SUBL(1) ^= SUBR(1) & ~SUBR(25);
- dw = SUBL(1) & SUBL(25),
- SUBR(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl6) */
- /* round 20 */
- SUBL(27) ^= SUBL(1); SUBR(27) ^= SUBR(1);
- /* round 22 */
- SUBL(29) ^= SUBL(1); SUBR(29) ^= SUBR(1);
- /* round 24 */
- SUBL(31) ^= SUBL(1); SUBR(31) ^= SUBR(1);
- /* kw3 */
- SUBL(32) ^= SUBL(1); SUBR(32) ^= SUBR(1);
-
-
- /* absorb kw4 to other subkeys */
- kw4l = SUBL(33); kw4r = SUBR(33);
- /* round 23 */
- SUBL(30) ^= kw4l; SUBR(30) ^= kw4r;
- /* round 21 */
- SUBL(28) ^= kw4l; SUBR(28) ^= kw4r;
- /* round 19 */
- SUBL(26) ^= kw4l; SUBR(26) ^= kw4r;
- kw4l ^= kw4r & ~SUBR(24);
- dw = kw4l & SUBL(24),
- kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl5) */
- /* round 17 */
- SUBL(22) ^= kw4l; SUBR(22) ^= kw4r;
- /* round 15 */
- SUBL(20) ^= kw4l; SUBR(20) ^= kw4r;
- /* round 13 */
- SUBL(18) ^= kw4l; SUBR(18) ^= kw4r;
- kw4l ^= kw4r & ~SUBR(16);
- dw = kw4l & SUBL(16),
- kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl3) */
- /* round 11 */
- SUBL(14) ^= kw4l; SUBR(14) ^= kw4r;
- /* round 9 */
- SUBL(12) ^= kw4l; SUBR(12) ^= kw4r;
- /* round 7 */
- SUBL(10) ^= kw4l; SUBR(10) ^= kw4r;
- kw4l ^= kw4r & ~SUBR(8);
- dw = kw4l & SUBL(8),
- kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl1) */
- /* round 5 */
- SUBL(6) ^= kw4l; SUBR(6) ^= kw4r;
- /* round 3 */
- SUBL(4) ^= kw4l; SUBR(4) ^= kw4r;
- /* round 1 */
- SUBL(2) ^= kw4l; SUBR(2) ^= kw4r;
- /* kw1 */
- SUBL(0) ^= kw4l; SUBR(0) ^= kw4r;
-
- /* key XOR is end of F-function */
- CAMELLIA_SUBKEY_L(0) = SUBL(0) ^ SUBL(2);/* kw1 */
- CAMELLIA_SUBKEY_R(0) = SUBR(0) ^ SUBR(2);
- CAMELLIA_SUBKEY_L(2) = SUBL(3); /* round 1 */
- CAMELLIA_SUBKEY_R(2) = SUBR(3);
- CAMELLIA_SUBKEY_L(3) = SUBL(2) ^ SUBL(4); /* round 2 */
- CAMELLIA_SUBKEY_R(3) = SUBR(2) ^ SUBR(4);
- CAMELLIA_SUBKEY_L(4) = SUBL(3) ^ SUBL(5); /* round 3 */
- CAMELLIA_SUBKEY_R(4) = SUBR(3) ^ SUBR(5);
- CAMELLIA_SUBKEY_L(5) = SUBL(4) ^ SUBL(6); /* round 4 */
- CAMELLIA_SUBKEY_R(5) = SUBR(4) ^ SUBR(6);
- CAMELLIA_SUBKEY_L(6) = SUBL(5) ^ SUBL(7); /* round 5 */
- CAMELLIA_SUBKEY_R(6) = SUBR(5) ^ SUBR(7);
- tl = SUBL(10) ^ (SUBR(10) & ~SUBR(8));
- dw = tl & SUBL(8), /* FL(kl1) */
- tr = SUBR(10) ^ CAMELLIA_RL1(dw);
- CAMELLIA_SUBKEY_L(7) = SUBL(6) ^ tl; /* round 6 */
- CAMELLIA_SUBKEY_R(7) = SUBR(6) ^ tr;
- CAMELLIA_SUBKEY_L(8) = SUBL(8); /* FL(kl1) */
- CAMELLIA_SUBKEY_R(8) = SUBR(8);
- CAMELLIA_SUBKEY_L(9) = SUBL(9); /* FLinv(kl2) */
- CAMELLIA_SUBKEY_R(9) = SUBR(9);
- tl = SUBL(7) ^ (SUBR(7) & ~SUBR(9));
- dw = tl & SUBL(9), /* FLinv(kl2) */
- tr = SUBR(7) ^ CAMELLIA_RL1(dw);
- CAMELLIA_SUBKEY_L(10) = tl ^ SUBL(11); /* round 7 */
- CAMELLIA_SUBKEY_R(10) = tr ^ SUBR(11);
- CAMELLIA_SUBKEY_L(11) = SUBL(10) ^ SUBL(12); /* round 8 */
- CAMELLIA_SUBKEY_R(11) = SUBR(10) ^ SUBR(12);
- CAMELLIA_SUBKEY_L(12) = SUBL(11) ^ SUBL(13); /* round 9 */
- CAMELLIA_SUBKEY_R(12) = SUBR(11) ^ SUBR(13);
- CAMELLIA_SUBKEY_L(13) = SUBL(12) ^ SUBL(14); /* round 10 */
- CAMELLIA_SUBKEY_R(13) = SUBR(12) ^ SUBR(14);
- CAMELLIA_SUBKEY_L(14) = SUBL(13) ^ SUBL(15); /* round 11 */
- CAMELLIA_SUBKEY_R(14) = SUBR(13) ^ SUBR(15);
- tl = SUBL(18) ^ (SUBR(18) & ~SUBR(16));
- dw = tl & SUBL(16), /* FL(kl3) */
- tr = SUBR(18) ^ CAMELLIA_RL1(dw);
- CAMELLIA_SUBKEY_L(15) = SUBL(14) ^ tl; /* round 12 */
- CAMELLIA_SUBKEY_R(15) = SUBR(14) ^ tr;
- CAMELLIA_SUBKEY_L(16) = SUBL(16); /* FL(kl3) */
- CAMELLIA_SUBKEY_R(16) = SUBR(16);
- CAMELLIA_SUBKEY_L(17) = SUBL(17); /* FLinv(kl4) */
- CAMELLIA_SUBKEY_R(17) = SUBR(17);
- tl = SUBL(15) ^ (SUBR(15) & ~SUBR(17));
- dw = tl & SUBL(17), /* FLinv(kl4) */
- tr = SUBR(15) ^ CAMELLIA_RL1(dw);
- CAMELLIA_SUBKEY_L(18) = tl ^ SUBL(19); /* round 13 */
- CAMELLIA_SUBKEY_R(18) = tr ^ SUBR(19);
- CAMELLIA_SUBKEY_L(19) = SUBL(18) ^ SUBL(20); /* round 14 */
- CAMELLIA_SUBKEY_R(19) = SUBR(18) ^ SUBR(20);
- CAMELLIA_SUBKEY_L(20) = SUBL(19) ^ SUBL(21); /* round 15 */
- CAMELLIA_SUBKEY_R(20) = SUBR(19) ^ SUBR(21);
- CAMELLIA_SUBKEY_L(21) = SUBL(20) ^ SUBL(22); /* round 16 */
- CAMELLIA_SUBKEY_R(21) = SUBR(20) ^ SUBR(22);
- CAMELLIA_SUBKEY_L(22) = SUBL(21) ^ SUBL(23); /* round 17 */
- CAMELLIA_SUBKEY_R(22) = SUBR(21) ^ SUBR(23);
- tl = SUBL(26) ^ (SUBR(26)
- & ~SUBR(24));
- dw = tl & SUBL(24), /* FL(kl5) */
- tr = SUBR(26) ^ CAMELLIA_RL1(dw);
- CAMELLIA_SUBKEY_L(23) = SUBL(22) ^ tl; /* round 18 */
- CAMELLIA_SUBKEY_R(23) = SUBR(22) ^ tr;
- CAMELLIA_SUBKEY_L(24) = SUBL(24); /* FL(kl5) */
- CAMELLIA_SUBKEY_R(24) = SUBR(24);
- CAMELLIA_SUBKEY_L(25) = SUBL(25); /* FLinv(kl6) */
- CAMELLIA_SUBKEY_R(25) = SUBR(25);
- tl = SUBL(23) ^ (SUBR(23) &
- ~SUBR(25));
- dw = tl & SUBL(25), /* FLinv(kl6) */
- tr = SUBR(23) ^ CAMELLIA_RL1(dw);
- CAMELLIA_SUBKEY_L(26) = tl ^ SUBL(27); /* round 19 */
- CAMELLIA_SUBKEY_R(26) = tr ^ SUBR(27);
- CAMELLIA_SUBKEY_L(27) = SUBL(26) ^ SUBL(28); /* round 20 */
- CAMELLIA_SUBKEY_R(27) = SUBR(26) ^ SUBR(28);
- CAMELLIA_SUBKEY_L(28) = SUBL(27) ^ SUBL(29); /* round 21 */
- CAMELLIA_SUBKEY_R(28) = SUBR(27) ^ SUBR(29);
- CAMELLIA_SUBKEY_L(29) = SUBL(28) ^ SUBL(30); /* round 22 */
- CAMELLIA_SUBKEY_R(29) = SUBR(28) ^ SUBR(30);
- CAMELLIA_SUBKEY_L(30) = SUBL(29) ^ SUBL(31); /* round 23 */
- CAMELLIA_SUBKEY_R(30) = SUBR(29) ^ SUBR(31);
- CAMELLIA_SUBKEY_L(31) = SUBL(30); /* round 24 */
- CAMELLIA_SUBKEY_R(31) = SUBR(30);
- CAMELLIA_SUBKEY_L(32) = SUBL(32) ^ SUBL(31); /* kw3 */
- CAMELLIA_SUBKEY_R(32) = SUBR(32) ^ SUBR(31);
+ subL[33] = krrl; subR[33] = krrr;
- /* apply the inverse of the last half of P-function */
- dw = CAMELLIA_SUBKEY_L(2) ^ CAMELLIA_SUBKEY_R(2),
- dw = CAMELLIA_RL8(dw);/* round 1 */
- CAMELLIA_SUBKEY_R(2) = CAMELLIA_SUBKEY_L(2) ^ dw,
- CAMELLIA_SUBKEY_L(2) = dw;
- dw = CAMELLIA_SUBKEY_L(3) ^ CAMELLIA_SUBKEY_R(3),
- dw = CAMELLIA_RL8(dw);/* round 2 */
- CAMELLIA_SUBKEY_R(3) = CAMELLIA_SUBKEY_L(3) ^ dw,
- CAMELLIA_SUBKEY_L(3) = dw;
- dw = CAMELLIA_SUBKEY_L(4) ^ CAMELLIA_SUBKEY_R(4),
- dw = CAMELLIA_RL8(dw);/* round 3 */
- CAMELLIA_SUBKEY_R(4) = CAMELLIA_SUBKEY_L(4) ^ dw,
- CAMELLIA_SUBKEY_L(4) = dw;
- dw = CAMELLIA_SUBKEY_L(5) ^ CAMELLIA_SUBKEY_R(5),
- dw = CAMELLIA_RL8(dw);/* round 4 */
- CAMELLIA_SUBKEY_R(5) = CAMELLIA_SUBKEY_L(5) ^ dw,
- CAMELLIA_SUBKEY_L(5) = dw;
- dw = CAMELLIA_SUBKEY_L(6) ^ CAMELLIA_SUBKEY_R(6),
- dw = CAMELLIA_RL8(dw);/* round 5 */
- CAMELLIA_SUBKEY_R(6) = CAMELLIA_SUBKEY_L(6) ^ dw,
- CAMELLIA_SUBKEY_L(6) = dw;
- dw = CAMELLIA_SUBKEY_L(7) ^ CAMELLIA_SUBKEY_R(7),
- dw = CAMELLIA_RL8(dw);/* round 6 */
- CAMELLIA_SUBKEY_R(7) = CAMELLIA_SUBKEY_L(7) ^ dw,
- CAMELLIA_SUBKEY_L(7) = dw;
- dw = CAMELLIA_SUBKEY_L(10) ^ CAMELLIA_SUBKEY_R(10),
- dw = CAMELLIA_RL8(dw);/* round 7 */
- CAMELLIA_SUBKEY_R(10) = CAMELLIA_SUBKEY_L(10) ^ dw,
- CAMELLIA_SUBKEY_L(10) = dw;
- dw = CAMELLIA_SUBKEY_L(11) ^ CAMELLIA_SUBKEY_R(11),
- dw = CAMELLIA_RL8(dw);/* round 8 */
- CAMELLIA_SUBKEY_R(11) = CAMELLIA_SUBKEY_L(11) ^ dw,
- CAMELLIA_SUBKEY_L(11) = dw;
- dw = CAMELLIA_SUBKEY_L(12) ^ CAMELLIA_SUBKEY_R(12),
- dw = CAMELLIA_RL8(dw);/* round 9 */
- CAMELLIA_SUBKEY_R(12) = CAMELLIA_SUBKEY_L(12) ^ dw,
- CAMELLIA_SUBKEY_L(12) = dw;
- dw = CAMELLIA_SUBKEY_L(13) ^ CAMELLIA_SUBKEY_R(13),
- dw = CAMELLIA_RL8(dw);/* round 10 */
- CAMELLIA_SUBKEY_R(13) = CAMELLIA_SUBKEY_L(13) ^ dw,
- CAMELLIA_SUBKEY_L(13) = dw;
- dw = CAMELLIA_SUBKEY_L(14) ^ CAMELLIA_SUBKEY_R(14),
- dw = CAMELLIA_RL8(dw);/* round 11 */
- CAMELLIA_SUBKEY_R(14) = CAMELLIA_SUBKEY_L(14) ^ dw,
- CAMELLIA_SUBKEY_L(14) = dw;
- dw = CAMELLIA_SUBKEY_L(15) ^ CAMELLIA_SUBKEY_R(15),
- dw = CAMELLIA_RL8(dw);/* round 12 */
- CAMELLIA_SUBKEY_R(15) = CAMELLIA_SUBKEY_L(15) ^ dw,
- CAMELLIA_SUBKEY_L(15) = dw;
- dw = CAMELLIA_SUBKEY_L(18) ^ CAMELLIA_SUBKEY_R(18),
- dw = CAMELLIA_RL8(dw);/* round 13 */
- CAMELLIA_SUBKEY_R(18) = CAMELLIA_SUBKEY_L(18) ^ dw,
- CAMELLIA_SUBKEY_L(18) = dw;
- dw = CAMELLIA_SUBKEY_L(19) ^ CAMELLIA_SUBKEY_R(19),
- dw = CAMELLIA_RL8(dw);/* round 14 */
- CAMELLIA_SUBKEY_R(19) = CAMELLIA_SUBKEY_L(19) ^ dw,
- CAMELLIA_SUBKEY_L(19) = dw;
- dw = CAMELLIA_SUBKEY_L(20) ^ CAMELLIA_SUBKEY_R(20),
- dw = CAMELLIA_RL8(dw);/* round 15 */
- CAMELLIA_SUBKEY_R(20) = CAMELLIA_SUBKEY_L(20) ^ dw,
- CAMELLIA_SUBKEY_L(20) = dw;
- dw = CAMELLIA_SUBKEY_L(21) ^ CAMELLIA_SUBKEY_R(21),
- dw = CAMELLIA_RL8(dw);/* round 16 */
- CAMELLIA_SUBKEY_R(21) = CAMELLIA_SUBKEY_L(21) ^ dw,
- CAMELLIA_SUBKEY_L(21) = dw;
- dw = CAMELLIA_SUBKEY_L(22) ^ CAMELLIA_SUBKEY_R(22),
- dw = CAMELLIA_RL8(dw);/* round 17 */
- CAMELLIA_SUBKEY_R(22) = CAMELLIA_SUBKEY_L(22) ^ dw,
- CAMELLIA_SUBKEY_L(22) = dw;
- dw = CAMELLIA_SUBKEY_L(23) ^ CAMELLIA_SUBKEY_R(23),
- dw = CAMELLIA_RL8(dw);/* round 18 */
- CAMELLIA_SUBKEY_R(23) = CAMELLIA_SUBKEY_L(23) ^ dw,
- CAMELLIA_SUBKEY_L(23) = dw;
- dw = CAMELLIA_SUBKEY_L(26) ^ CAMELLIA_SUBKEY_R(26),
- dw = CAMELLIA_RL8(dw);/* round 19 */
- CAMELLIA_SUBKEY_R(26) = CAMELLIA_SUBKEY_L(26) ^ dw,
- CAMELLIA_SUBKEY_L(26) = dw;
- dw = CAMELLIA_SUBKEY_L(27) ^ CAMELLIA_SUBKEY_R(27),
- dw = CAMELLIA_RL8(dw);/* round 20 */
- CAMELLIA_SUBKEY_R(27) = CAMELLIA_SUBKEY_L(27) ^ dw,
- CAMELLIA_SUBKEY_L(27) = dw;
- dw = CAMELLIA_SUBKEY_L(28) ^ CAMELLIA_SUBKEY_R(28),
- dw = CAMELLIA_RL8(dw);/* round 21 */
- CAMELLIA_SUBKEY_R(28) = CAMELLIA_SUBKEY_L(28) ^ dw,
- CAMELLIA_SUBKEY_L(28) = dw;
- dw = CAMELLIA_SUBKEY_L(29) ^ CAMELLIA_SUBKEY_R(29),
- dw = CAMELLIA_RL8(dw);/* round 22 */
- CAMELLIA_SUBKEY_R(29) = CAMELLIA_SUBKEY_L(29) ^ dw,
- CAMELLIA_SUBKEY_L(29) = dw;
- dw = CAMELLIA_SUBKEY_L(30) ^ CAMELLIA_SUBKEY_R(30),
- dw = CAMELLIA_RL8(dw);/* round 23 */
- CAMELLIA_SUBKEY_R(30) = CAMELLIA_SUBKEY_L(30) ^ dw,
- CAMELLIA_SUBKEY_L(30) = dw;
- dw = CAMELLIA_SUBKEY_L(31) ^ CAMELLIA_SUBKEY_R(31),
- dw = CAMELLIA_RL8(dw);/* round 24 */
- CAMELLIA_SUBKEY_R(31) = CAMELLIA_SUBKEY_L(31) ^ dw,
- CAMELLIA_SUBKEY_L(31) = dw;
-
- return;
+ 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;
+ u32 krll, krlr, krrl, krrr;
memcpy(kk, key, 24);
- memcpy((unsigned char *)&krll, key+16,4);
- memcpy((unsigned char *)&krlr, key+20,4);
+ 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);
- return;
}
-/**
- * Stuff related to camellia encryption/decryption
+/*
+ * Encrypt/decrypt
*/
-static void camellia_encrypt128(const u32 *subkey, __be32 *io_text)
-{
- u32 il,ir,t0,t1; /* temporary valiables */
-
- u32 io[4];
-
- io[0] = be32_to_cpu(io_text[0]);
- io[1] = be32_to_cpu(io_text[1]);
- io[2] = be32_to_cpu(io_text[2]);
- io[3] = be32_to_cpu(io_text[3]);
-
- /* pre whitening but absorb kw2*/
- io[0] ^= CAMELLIA_SUBKEY_L(0);
- io[1] ^= CAMELLIA_SUBKEY_R(0);
- /* main iteration */
-
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(2),CAMELLIA_SUBKEY_R(2),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(3),CAMELLIA_SUBKEY_R(3),
- io[0],io[1],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(4),CAMELLIA_SUBKEY_R(4),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(5),CAMELLIA_SUBKEY_R(5),
- io[0],io[1],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(6),CAMELLIA_SUBKEY_R(6),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(7),CAMELLIA_SUBKEY_R(7),
- io[0],io[1],il,ir,t0,t1);
-
- CAMELLIA_FLS(io[0],io[1],io[2],io[3],
- CAMELLIA_SUBKEY_L(8),CAMELLIA_SUBKEY_R(8),
- CAMELLIA_SUBKEY_L(9),CAMELLIA_SUBKEY_R(9),
- t0,t1,il,ir);
-
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(10),CAMELLIA_SUBKEY_R(10),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(11),CAMELLIA_SUBKEY_R(11),
- io[0],io[1],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(12),CAMELLIA_SUBKEY_R(12),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(13),CAMELLIA_SUBKEY_R(13),
- io[0],io[1],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(14),CAMELLIA_SUBKEY_R(14),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(15),CAMELLIA_SUBKEY_R(15),
- io[0],io[1],il,ir,t0,t1);
-
- CAMELLIA_FLS(io[0],io[1],io[2],io[3],
- CAMELLIA_SUBKEY_L(16),CAMELLIA_SUBKEY_R(16),
- CAMELLIA_SUBKEY_L(17),CAMELLIA_SUBKEY_R(17),
- t0,t1,il,ir);
-
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(18),CAMELLIA_SUBKEY_R(18),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(19),CAMELLIA_SUBKEY_R(19),
- io[0],io[1],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(20),CAMELLIA_SUBKEY_R(20),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(21),CAMELLIA_SUBKEY_R(21),
- io[0],io[1],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(22),CAMELLIA_SUBKEY_R(22),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(23),CAMELLIA_SUBKEY_R(23),
- io[0],io[1],il,ir,t0,t1);
+#define CAMELLIA_FLS(ll, lr, rl, rr, kll, klr, krl, krr, t0, t1, t2, t3) \
+ do { \
+ t0 = kll; \
+ t2 = krr; \
+ t0 &= ll; \
+ t2 |= rr; \
+ rl ^= t2; \
+ lr ^= rol32(t0, 1); \
+ t3 = krl; \
+ t1 = klr; \
+ t3 &= rl; \
+ t1 |= lr; \
+ ll ^= t1; \
+ rr ^= rol32(t3, 1); \
+ } while (0)
- /* post whitening but kw4 */
- io[2] ^= CAMELLIA_SUBKEY_L(24);
- io[3] ^= CAMELLIA_SUBKEY_R(24);
-
- t0 = io[0];
- t1 = io[1];
- io[0] = io[2];
- io[1] = io[3];
- io[2] = t0;
- io[3] = t1;
-
- io_text[0] = cpu_to_be32(io[0]);
- io_text[1] = cpu_to_be32(io[1]);
- io_text[2] = cpu_to_be32(io[2]);
- io_text[3] = cpu_to_be32(io[3]);
-
- return;
-}
+#define CAMELLIA_ROUNDSM(xl, xr, kl, kr, yl, yr, il, ir) \
+ do { \
+ ir = camellia_sp1110[(u8)xr]; \
+ il = camellia_sp1110[ (xl >> 24)]; \
+ ir ^= camellia_sp0222[ (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]; \
+ il ^= kl; \
+ ir ^= il ^ kr; \
+ yl ^= ir; \
+ yr ^= ror32(il, 8) ^ ir; \
+ } while (0)
-static void camellia_decrypt128(const u32 *subkey, __be32 *io_text)
+/* 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 valiables */
-
- u32 io[4];
-
- io[0] = be32_to_cpu(io_text[0]);
- io[1] = be32_to_cpu(io_text[1]);
- io[2] = be32_to_cpu(io_text[2]);
- io[3] = be32_to_cpu(io_text[3]);
+ u32 il, ir, t0, t1; /* temporary variables */
- /* pre whitening but absorb kw2*/
- io[0] ^= CAMELLIA_SUBKEY_L(24);
- io[1] ^= CAMELLIA_SUBKEY_R(24);
+ /* pre whitening but absorb kw2 */
+ io[0] ^= SUBKEY_L(0);
+ io[1] ^= SUBKEY_R(0);
/* main iteration */
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(23),CAMELLIA_SUBKEY_R(23),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(22),CAMELLIA_SUBKEY_R(22),
- io[0],io[1],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(21),CAMELLIA_SUBKEY_R(21),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(20),CAMELLIA_SUBKEY_R(20),
- io[0],io[1],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(19),CAMELLIA_SUBKEY_R(19),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(18),CAMELLIA_SUBKEY_R(18),
- io[0],io[1],il,ir,t0,t1);
-
- CAMELLIA_FLS(io[0],io[1],io[2],io[3],
- CAMELLIA_SUBKEY_L(17),CAMELLIA_SUBKEY_R(17),
- CAMELLIA_SUBKEY_L(16),CAMELLIA_SUBKEY_R(16),
- t0,t1,il,ir);
-
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(15),CAMELLIA_SUBKEY_R(15),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(14),CAMELLIA_SUBKEY_R(14),
- io[0],io[1],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(13),CAMELLIA_SUBKEY_R(13),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(12),CAMELLIA_SUBKEY_R(12),
- io[0],io[1],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(11),CAMELLIA_SUBKEY_R(11),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(10),CAMELLIA_SUBKEY_R(10),
- io[0],io[1],il,ir,t0,t1);
-
- CAMELLIA_FLS(io[0],io[1],io[2],io[3],
- CAMELLIA_SUBKEY_L(9),CAMELLIA_SUBKEY_R(9),
- CAMELLIA_SUBKEY_L(8),CAMELLIA_SUBKEY_R(8),
- t0,t1,il,ir);
-
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(7),CAMELLIA_SUBKEY_R(7),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(6),CAMELLIA_SUBKEY_R(6),
- io[0],io[1],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(5),CAMELLIA_SUBKEY_R(5),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(4),CAMELLIA_SUBKEY_R(4),
- io[0],io[1],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(3),CAMELLIA_SUBKEY_R(3),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(2),CAMELLIA_SUBKEY_R(2),
- io[0],io[1],il,ir,t0,t1);
-
- /* post whitening but kw4 */
- io[2] ^= CAMELLIA_SUBKEY_L(0);
- io[3] ^= CAMELLIA_SUBKEY_R(0);
-
- t0 = io[0];
- t1 = io[1];
- io[0] = io[2];
- io[1] = io[3];
- io[2] = t0;
- io[3] = t1;
-
- io_text[0] = cpu_to_be32(io[0]);
- io_text[1] = cpu_to_be32(io[1]);
- io_text[2] = cpu_to_be32(io[2]);
- io_text[3] = cpu_to_be32(io[3]);
-
- return;
-}
-
-
-/**
- * stuff for 192 and 256bit encryption/decryption
- */
-static void camellia_encrypt256(const u32 *subkey, __be32 *io_text)
-{
- u32 il,ir,t0,t1; /* temporary valiables */
-
- u32 io[4];
-
- io[0] = be32_to_cpu(io_text[0]);
- io[1] = be32_to_cpu(io_text[1]);
- io[2] = be32_to_cpu(io_text[2]);
- io[3] = be32_to_cpu(io_text[3]);
-
- /* pre whitening but absorb kw2*/
- io[0] ^= CAMELLIA_SUBKEY_L(0);
- io[1] ^= CAMELLIA_SUBKEY_R(0);
+#define ROUNDS(i) do { \
+ 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); \
+} while (0)
+#define FLS(i) do { \
+ 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); \
+} while (0)
+
+ ROUNDS(0);
+ FLS(8);
+ ROUNDS(8);
+ FLS(16);
+ ROUNDS(16);
+ if (max == 32) {
+ FLS(24);
+ ROUNDS(24);
+ }
- /* main iteration */
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(2),CAMELLIA_SUBKEY_R(2),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(3),CAMELLIA_SUBKEY_R(3),
- io[0],io[1],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(4),CAMELLIA_SUBKEY_R(4),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(5),CAMELLIA_SUBKEY_R(5),
- io[0],io[1],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(6),CAMELLIA_SUBKEY_R(6),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(7),CAMELLIA_SUBKEY_R(7),
- io[0],io[1],il,ir,t0,t1);
-
- CAMELLIA_FLS(io[0],io[1],io[2],io[3],
- CAMELLIA_SUBKEY_L(8),CAMELLIA_SUBKEY_R(8),
- CAMELLIA_SUBKEY_L(9),CAMELLIA_SUBKEY_R(9),
- t0,t1,il,ir);
-
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(10),CAMELLIA_SUBKEY_R(10),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(11),CAMELLIA_SUBKEY_R(11),
- io[0],io[1],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(12),CAMELLIA_SUBKEY_R(12),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(13),CAMELLIA_SUBKEY_R(13),
- io[0],io[1],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(14),CAMELLIA_SUBKEY_R(14),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(15),CAMELLIA_SUBKEY_R(15),
- io[0],io[1],il,ir,t0,t1);
-
- CAMELLIA_FLS(io[0],io[1],io[2],io[3],
- CAMELLIA_SUBKEY_L(16),CAMELLIA_SUBKEY_R(16),
- CAMELLIA_SUBKEY_L(17),CAMELLIA_SUBKEY_R(17),
- t0,t1,il,ir);
-
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(18),CAMELLIA_SUBKEY_R(18),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(19),CAMELLIA_SUBKEY_R(19),
- io[0],io[1],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(20),CAMELLIA_SUBKEY_R(20),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(21),CAMELLIA_SUBKEY_R(21),
- io[0],io[1],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(22),CAMELLIA_SUBKEY_R(22),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(23),CAMELLIA_SUBKEY_R(23),
- io[0],io[1],il,ir,t0,t1);
-
- CAMELLIA_FLS(io[0],io[1],io[2],io[3],
- CAMELLIA_SUBKEY_L(24),CAMELLIA_SUBKEY_R(24),
- CAMELLIA_SUBKEY_L(25),CAMELLIA_SUBKEY_R(25),
- t0,t1,il,ir);
-
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(26),CAMELLIA_SUBKEY_R(26),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(27),CAMELLIA_SUBKEY_R(27),
- io[0],io[1],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(28),CAMELLIA_SUBKEY_R(28),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(29),CAMELLIA_SUBKEY_R(29),
- io[0],io[1],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(30),CAMELLIA_SUBKEY_R(30),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(31),CAMELLIA_SUBKEY_R(31),
- io[0],io[1],il,ir,t0,t1);
+#undef ROUNDS
+#undef FLS
/* post whitening but kw4 */
- io[2] ^= CAMELLIA_SUBKEY_L(32);
- io[3] ^= CAMELLIA_SUBKEY_R(32);
-
- t0 = io[0];
- t1 = io[1];
- io[0] = io[2];
- io[1] = io[3];
- io[2] = t0;
- io[3] = t1;
-
- io_text[0] = cpu_to_be32(io[0]);
- io_text[1] = cpu_to_be32(io[1]);
- io_text[2] = cpu_to_be32(io[2]);
- io_text[3] = cpu_to_be32(io[3]);
-
- return;
+ 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_decrypt256(const u32 *subkey, __be32 *io_text)
+static void camellia_do_decrypt(const u32 *subkey, u32 *io, unsigned i)
{
- u32 il,ir,t0,t1; /* temporary valiables */
+ u32 il, ir, t0, t1; /* temporary variables */
- u32 io[4];
-
- io[0] = be32_to_cpu(io_text[0]);
- io[1] = be32_to_cpu(io_text[1]);
- io[2] = be32_to_cpu(io_text[2]);
- io[3] = be32_to_cpu(io_text[3]);
-
- /* pre whitening but absorb kw2*/
- io[0] ^= CAMELLIA_SUBKEY_L(32);
- io[1] ^= CAMELLIA_SUBKEY_R(32);
+ /* pre whitening but absorb kw2 */
+ io[0] ^= SUBKEY_L(i);
+ io[1] ^= SUBKEY_R(i);
/* main iteration */
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(31),CAMELLIA_SUBKEY_R(31),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(30),CAMELLIA_SUBKEY_R(30),
- io[0],io[1],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(29),CAMELLIA_SUBKEY_R(29),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(28),CAMELLIA_SUBKEY_R(28),
- io[0],io[1],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(27),CAMELLIA_SUBKEY_R(27),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(26),CAMELLIA_SUBKEY_R(26),
- io[0],io[1],il,ir,t0,t1);
-
- CAMELLIA_FLS(io[0],io[1],io[2],io[3],
- CAMELLIA_SUBKEY_L(25),CAMELLIA_SUBKEY_R(25),
- CAMELLIA_SUBKEY_L(24),CAMELLIA_SUBKEY_R(24),
- t0,t1,il,ir);
-
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(23),CAMELLIA_SUBKEY_R(23),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(22),CAMELLIA_SUBKEY_R(22),
- io[0],io[1],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(21),CAMELLIA_SUBKEY_R(21),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(20),CAMELLIA_SUBKEY_R(20),
- io[0],io[1],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(19),CAMELLIA_SUBKEY_R(19),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(18),CAMELLIA_SUBKEY_R(18),
- io[0],io[1],il,ir,t0,t1);
-
- CAMELLIA_FLS(io[0],io[1],io[2],io[3],
- CAMELLIA_SUBKEY_L(17),CAMELLIA_SUBKEY_R(17),
- CAMELLIA_SUBKEY_L(16),CAMELLIA_SUBKEY_R(16),
- t0,t1,il,ir);
-
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(15),CAMELLIA_SUBKEY_R(15),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(14),CAMELLIA_SUBKEY_R(14),
- io[0],io[1],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(13),CAMELLIA_SUBKEY_R(13),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(12),CAMELLIA_SUBKEY_R(12),
- io[0],io[1],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(11),CAMELLIA_SUBKEY_R(11),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(10),CAMELLIA_SUBKEY_R(10),
- io[0],io[1],il,ir,t0,t1);
-
- CAMELLIA_FLS(io[0],io[1],io[2],io[3],
- CAMELLIA_SUBKEY_L(9),CAMELLIA_SUBKEY_R(9),
- CAMELLIA_SUBKEY_L(8),CAMELLIA_SUBKEY_R(8),
- t0,t1,il,ir);
-
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(7),CAMELLIA_SUBKEY_R(7),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(6),CAMELLIA_SUBKEY_R(6),
- io[0],io[1],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(5),CAMELLIA_SUBKEY_R(5),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(4),CAMELLIA_SUBKEY_R(4),
- io[0],io[1],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[0],io[1],
- CAMELLIA_SUBKEY_L(3),CAMELLIA_SUBKEY_R(3),
- io[2],io[3],il,ir,t0,t1);
- CAMELLIA_ROUNDSM(io[2],io[3],
- CAMELLIA_SUBKEY_L(2),CAMELLIA_SUBKEY_R(2),
- io[0],io[1],il,ir,t0,t1);
+#define ROUNDS(i) do { \
+ 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); \
+} while (0)
+#define FLS(i) do { \
+ 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); \
+} while (0)
+
+ 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] ^= CAMELLIA_SUBKEY_L(0);
- io[3] ^= CAMELLIA_SUBKEY_R(0);
-
- t0 = io[0];
- t1 = io[1];
- io[0] = io[2];
- io[1] = io[3];
- io[2] = t0;
- io[3] = t1;
-
- io_text[0] = cpu_to_be32(io[0]);
- io_text[1] = cpu_to_be32(io[1]);
- io_text[2] = cpu_to_be32(io[2]);
- io_text[3] = cpu_to_be32(io[3]);
-
- return;
+ 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)
cctx->key_length = key_len;
- switch(key_len) {
+ switch (key_len) {
case 16:
camellia_setup128(key, cctx->key_table);
break;
case 32:
camellia_setup256(key, cctx->key_table);
break;
- default:
- break;
}
return 0;
}
-
static void camellia_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
{
const struct camellia_ctx *cctx = crypto_tfm_ctx(tfm);
const __be32 *src = (const __be32 *)in;
__be32 *dst = (__be32 *)out;
- __be32 tmp[4];
+ u32 tmp[4];
- memcpy(tmp, src, CAMELLIA_BLOCK_SIZE);
+ 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]);
- switch (cctx->key_length) {
- case 16:
- camellia_encrypt128(cctx->key_table, tmp);
- break;
- case 24:
- /* fall through */
- case 32:
- camellia_encrypt256(cctx->key_table, tmp);
- break;
- default:
- break;
- }
+ camellia_do_encrypt(cctx->key_table, tmp,
+ cctx->key_length == 16 ? 24 : 32 /* for key lengths of 24 and 32 */
+ );
- memcpy(dst, tmp, CAMELLIA_BLOCK_SIZE);
+ /* 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;
- __be32 tmp[4];
+ u32 tmp[4];
- memcpy(tmp, src, CAMELLIA_BLOCK_SIZE);
+ 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]);
- switch (cctx->key_length) {
- case 16:
- camellia_decrypt128(cctx->key_table, tmp);
- break;
- case 24:
- /* fall through */
- case 32:
- camellia_decrypt256(cctx->key_table, tmp);
- break;
- default:
- break;
- }
+ camellia_do_decrypt(cctx->key_table, tmp,
+ cctx->key_length == 16 ? 24 : 32 /* for key lengths of 24 and 32 */
+ );
- memcpy(dst, tmp, CAMELLIA_BLOCK_SIZE);
+ /* 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",
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");