/* camellia.c ver 1.2.0 * * Copyright (c) 2006,2007 * NTT (Nippon Telegraph and Telephone Corporation) . All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer as * the first lines of this file unmodified. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY NTT ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL NTT BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* * Algorithm Specification * http://info.isl.ntt.co.jp/crypt/eng/camellia/specifications.html */ #include #include #include "camellia.h" /* u32 must be 32bit word */ typedef unsigned int u32; typedef unsigned char u8; /* 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 */ #if defined(_MSC_VER) # define SWAP(x) (_lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00) # define GETU32(p) SWAP(*((u32 *)(p))) # define PUTU32(ct, st) {*((u32 *)(ct)) = SWAP((st));} #else /* not MS-VC */ # define GETU32(pt) \ (((u32)(pt)[0] << 24) \ ^ ((u32)(pt)[1] << 16) \ ^ ((u32)(pt)[2] << 8) \ ^ ((u32)(pt)[3])) # define PUTU32(ct, st) { \ (ct)[0] = (u8)((st) >> 24); \ (ct)[1] = (u8)((st) >> 16); \ (ct)[2] = (u8)((st) >> 8); \ (ct)[3] = (u8)(st); } #endif #define CamelliaSubkeyL(INDEX) (subkey[(INDEX)*2]) #define CamelliaSubkeyR(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) \ do { \ w0 = ll; \ ll = (ll << bits) + (lr >> (32 - bits)); \ lr = (lr << bits) + (rl >> (32 - bits)); \ rl = (rl << bits) + (rr >> (32 - bits)); \ rr = (rr << bits) + (w0 >> (32 - bits)); \ } while(0) #define CAMELLIA_ROLDQo32(ll, lr, rl, rr, w0, w1, bits) \ do { \ w0 = ll; \ w1 = lr; \ ll = (lr << (bits - 32)) + (rl >> (64 - bits)); \ lr = (rl << (bits - 32)) + (rr >> (64 - bits)); \ rl = (rr << (bits - 32)) + (w0 >> (64 - bits)); \ rr = (w0 << (bits - 32)) + (w1 >> (64 - bits)); \ } while(0) #define CAMELLIA_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)]) #define CAMELLIA_F(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \ do { \ il = xl ^ kl; \ ir = xr ^ kr; \ t0 = il >> 16; \ t1 = ir >> 16; \ yl = CAMELLIA_SP1110(ir & 0xff) \ ^ CAMELLIA_SP0222((t1 >> 8) & 0xff) \ ^ CAMELLIA_SP3033(t1 & 0xff) \ ^ CAMELLIA_SP4404((ir >> 8) & 0xff); \ yr = CAMELLIA_SP1110((t0 >> 8) & 0xff) \ ^ CAMELLIA_SP0222(t0 & 0xff) \ ^ CAMELLIA_SP3033((il >> 8) & 0xff) \ ^ CAMELLIA_SP4404(il & 0xff); \ yl ^= yr; \ yr = CAMELLIA_RR8(yr); \ yr ^= yl; \ } while(0) /* * for speed up * */ #define CAMELLIA_FLS(ll, lr, rl, rr, kll, klr, krl, krr, t0, t1, t2, t3) \ do { \ t0 = kll; \ t0 &= ll; \ lr ^= CAMELLIA_RL1(t0); \ t1 = klr; \ t1 |= lr; \ ll ^= t1; \ \ t2 = krr; \ t2 |= rr; \ rl ^= t2; \ t3 = krl; \ t3 &= rl; \ rr ^= CAMELLIA_RL1(t3); \ } while(0) #define CAMELLIA_ROUNDSM(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \ do { \ ir = CAMELLIA_SP1110(xr & 0xff) \ ^ CAMELLIA_SP0222((xr >> 24) & 0xff) \ ^ CAMELLIA_SP3033((xr >> 16) & 0xff) \ ^ CAMELLIA_SP4404((xr >> 8) & 0xff); \ il = CAMELLIA_SP1110((xl >> 24) & 0xff) \ ^ CAMELLIA_SP0222((xl >> 16) & 0xff) \ ^ CAMELLIA_SP3033((xl >> 8) & 0xff) \ ^ CAMELLIA_SP4404(xl & 0xff); \ il ^= kl; \ ir ^= kr; \ ir ^= il; \ il = CAMELLIA_RR8(il); \ il ^= ir; \ yl ^= ir; \ yr ^= il; \ } while(0) 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, }; /** * Stuff related to the Camellia key schedule */ #define subl(x) subL[(x)] #define subr(x) subR[(x)] 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 */ subl(0) = kll; subr(0) = klr; subl(1) = krl; subr(1) = krr; CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); subl(4) = kll; subr(4) = klr; subl(5) = krl; subr(5) = krr; CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30); subl(10) = kll; subr(10) = klr; subl(11) = krl; subr(11) = krr; CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); subl(13) = krl; subr(13) = krr; CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); subl(16) = kll; subr(16) = klr; subl(17) = krl; subr(17) = krr; CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); subl(18) = kll; subr(18) = klr; subl(19) = krl; subr(19) = krr; CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); subl(22) = kll; subr(22) = klr; 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); 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 */ subl(2) = kll; subr(2) = klr; subl(3) = krl; subr(3) = krr; CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); subl(6) = kll; subr(6) = klr; subl(7) = krl; subr(7) = krr; CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); subl(8) = kll; subr(8) = klr; subl(9) = krl; subr(9) = krr; CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); subl(12) = kll; subr(12) = klr; CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); subl(14) = kll; subr(14) = klr; subl(15) = krl; subr(15) = krr; CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34); subl(20) = kll; subr(20) = klr; subl(21) = krl; subr(21) = krr; CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); subl(24) = kll; subr(24) = klr; subl(25) = krl; subr(25) = krr; /* absorb kw2 to other subkeys */ subl(3) ^= subl(1); subr(3) ^= subr(1); subl(5) ^= subl(1); subr(5) ^= subr(1); subl(7) ^= subl(1); subr(7) ^= subr(1); subl(1) ^= subr(1) & ~subr(9); dw = subl(1) & subl(9), subr(1) ^= CAMELLIA_RL1(dw); subl(11) ^= subl(1); subr(11) ^= subr(1); subl(13) ^= subl(1); subr(13) ^= subr(1); subl(15) ^= subl(1); subr(15) ^= subr(1); subl(1) ^= subr(1) & ~subr(17); dw = subl(1) & subl(17), subr(1) ^= CAMELLIA_RL1(dw); subl(19) ^= subl(1); subr(19) ^= subr(1); subl(21) ^= subl(1); subr(21) ^= subr(1); subl(23) ^= subl(1); subr(23) ^= subr(1); subl(24) ^= subl(1); subr(24) ^= subr(1); /* absorb kw4 to other subkeys */ kw4l = subl(25); kw4r = subr(25); subl(22) ^= kw4l; subr(22) ^= kw4r; subl(20) ^= kw4l; subr(20) ^= kw4r; subl(18) ^= kw4l; subr(18) ^= kw4r; kw4l ^= kw4r & ~subr(16); dw = kw4l & subl(16), kw4r ^= CAMELLIA_RL1(dw); subl(14) ^= kw4l; subr(14) ^= kw4r; subl(12) ^= kw4l; subr(12) ^= kw4r; subl(10) ^= kw4l; subr(10) ^= kw4r; kw4l ^= kw4r & ~subr(8); dw = kw4l & subl(8), kw4r ^= CAMELLIA_RL1(dw); subl(6) ^= kw4l; subr(6) ^= kw4r; subl(4) ^= kw4l; subr(4) ^= kw4r; subl(2) ^= kw4l; subr(2) ^= kw4r; subl(0) ^= kw4l; subr(0) ^= kw4r; /* key XOR is end of F-function */ CamelliaSubkeyL(0) = subl(0) ^ subl(2); CamelliaSubkeyR(0) = subr(0) ^ subr(2); CamelliaSubkeyL(2) = subl(3); CamelliaSubkeyR(2) = subr(3); CamelliaSubkeyL(3) = subl(2) ^ subl(4); CamelliaSubkeyR(3) = subr(2) ^ subr(4); CamelliaSubkeyL(4) = subl(3) ^ subl(5); CamelliaSubkeyR(4) = subr(3) ^ subr(5); CamelliaSubkeyL(5) = subl(4) ^ subl(6); CamelliaSubkeyR(5) = subr(4) ^ subr(6); CamelliaSubkeyL(6) = subl(5) ^ subl(7); CamelliaSubkeyR(6) = subr(5) ^ subr(7); tl = subl(10) ^ (subr(10) & ~subr(8)); dw = tl & subl(8), tr = subr(10) ^ CAMELLIA_RL1(dw); CamelliaSubkeyL(7) = subl(6) ^ tl; CamelliaSubkeyR(7) = subr(6) ^ tr; CamelliaSubkeyL(8) = subl(8); CamelliaSubkeyR(8) = subr(8); CamelliaSubkeyL(9) = subl(9); CamelliaSubkeyR(9) = subr(9); tl = subl(7) ^ (subr(7) & ~subr(9)); dw = tl & subl(9), tr = subr(7) ^ CAMELLIA_RL1(dw); CamelliaSubkeyL(10) = tl ^ subl(11); CamelliaSubkeyR(10) = tr ^ subr(11); CamelliaSubkeyL(11) = subl(10) ^ subl(12); CamelliaSubkeyR(11) = subr(10) ^ subr(12); CamelliaSubkeyL(12) = subl(11) ^ subl(13); CamelliaSubkeyR(12) = subr(11) ^ subr(13); CamelliaSubkeyL(13) = subl(12) ^ subl(14); CamelliaSubkeyR(13) = subr(12) ^ subr(14); CamelliaSubkeyL(14) = subl(13) ^ subl(15); CamelliaSubkeyR(14) = subr(13) ^ subr(15); tl = subl(18) ^ (subr(18) & ~subr(16)); dw = tl & subl(16), tr = subr(18) ^ CAMELLIA_RL1(dw); CamelliaSubkeyL(15) = subl(14) ^ tl; CamelliaSubkeyR(15) = subr(14) ^ tr; CamelliaSubkeyL(16) = subl(16); CamelliaSubkeyR(16) = subr(16); CamelliaSubkeyL(17) = subl(17); CamelliaSubkeyR(17) = subr(17); tl = subl(15) ^ (subr(15) & ~subr(17)); dw = tl & subl(17), tr = subr(15) ^ CAMELLIA_RL1(dw); CamelliaSubkeyL(18) = tl ^ subl(19); CamelliaSubkeyR(18) = tr ^ subr(19); CamelliaSubkeyL(19) = subl(18) ^ subl(20); CamelliaSubkeyR(19) = subr(18) ^ subr(20); CamelliaSubkeyL(20) = subl(19) ^ subl(21); CamelliaSubkeyR(20) = subr(19) ^ subr(21); CamelliaSubkeyL(21) = subl(20) ^ subl(22); CamelliaSubkeyR(21) = subr(20) ^ subr(22); CamelliaSubkeyL(22) = subl(21) ^ subl(23); CamelliaSubkeyR(22) = subr(21) ^ subr(23); CamelliaSubkeyL(23) = subl(22); CamelliaSubkeyR(23) = subr(22); CamelliaSubkeyL(24) = subl(24) ^ subl(23); CamelliaSubkeyR(24) = subr(24) ^ subr(23); /* apply the inverse of the last half of P-function */ dw = CamelliaSubkeyL(2) ^ CamelliaSubkeyR(2), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(2) = CamelliaSubkeyL(2) ^ dw, CamelliaSubkeyL(2) = dw; dw = CamelliaSubkeyL(3) ^ CamelliaSubkeyR(3), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(3) = CamelliaSubkeyL(3) ^ dw, CamelliaSubkeyL(3) = dw; dw = CamelliaSubkeyL(4) ^ CamelliaSubkeyR(4), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(4) = CamelliaSubkeyL(4) ^ dw, CamelliaSubkeyL(4) = dw; dw = CamelliaSubkeyL(5) ^ CamelliaSubkeyR(5), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(5) = CamelliaSubkeyL(5) ^ dw, CamelliaSubkeyL(5) = dw; dw = CamelliaSubkeyL(6) ^ CamelliaSubkeyR(6), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(6) = CamelliaSubkeyL(6) ^ dw, CamelliaSubkeyL(6) = dw; dw = CamelliaSubkeyL(7) ^ CamelliaSubkeyR(7), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(7) = CamelliaSubkeyL(7) ^ dw, CamelliaSubkeyL(7) = dw; dw = CamelliaSubkeyL(10) ^ CamelliaSubkeyR(10), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(10) = CamelliaSubkeyL(10) ^ dw, CamelliaSubkeyL(10) = dw; dw = CamelliaSubkeyL(11) ^ CamelliaSubkeyR(11), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(11) = CamelliaSubkeyL(11) ^ dw, CamelliaSubkeyL(11) = dw; dw = CamelliaSubkeyL(12) ^ CamelliaSubkeyR(12), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(12) = CamelliaSubkeyL(12) ^ dw, CamelliaSubkeyL(12) = dw; dw = CamelliaSubkeyL(13) ^ CamelliaSubkeyR(13), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(13) = CamelliaSubkeyL(13) ^ dw, CamelliaSubkeyL(13) = dw; dw = CamelliaSubkeyL(14) ^ CamelliaSubkeyR(14), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(14) = CamelliaSubkeyL(14) ^ dw, CamelliaSubkeyL(14) = dw; dw = CamelliaSubkeyL(15) ^ CamelliaSubkeyR(15), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(15) = CamelliaSubkeyL(15) ^ dw, CamelliaSubkeyL(15) = dw; dw = CamelliaSubkeyL(18) ^ CamelliaSubkeyR(18), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(18) = CamelliaSubkeyL(18) ^ dw, CamelliaSubkeyL(18) = dw; dw = CamelliaSubkeyL(19) ^ CamelliaSubkeyR(19), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(19) = CamelliaSubkeyL(19) ^ dw, CamelliaSubkeyL(19) = dw; dw = CamelliaSubkeyL(20) ^ CamelliaSubkeyR(20), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(20) = CamelliaSubkeyL(20) ^ dw, CamelliaSubkeyL(20) = dw; dw = CamelliaSubkeyL(21) ^ CamelliaSubkeyR(21), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(21) = CamelliaSubkeyL(21) ^ dw, CamelliaSubkeyL(21) = dw; dw = CamelliaSubkeyL(22) ^ CamelliaSubkeyR(22), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(22) = CamelliaSubkeyL(22) ^ dw, CamelliaSubkeyL(22) = dw; dw = CamelliaSubkeyL(23) ^ CamelliaSubkeyR(23), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(23) = CamelliaSubkeyL(23) ^ dw, CamelliaSubkeyL(23) = dw; return; } void camellia_setup256(const unsigned char *key, u32 *subkey) { u32 kll,klr,krl,krr; /* left half of key */ u32 krll,krlr,krrl,krrr; /* right half of key */ u32 il, ir, t0, t1, w0, w1; /* temporary variables */ u32 kw4l, kw4r, dw, tl, tr; u32 subL[34]; u32 subR[34]; /** * key = (kll || klr || krl || krr || krll || krlr || krrl || krrr) * (|| is concatination) */ kll = GETU32(key ); klr = GETU32(key + 4); krl = GETU32(key + 8); krr = GETU32(key + 12); krll = GETU32(key + 16); krlr = GETU32(key + 20); krrl = GETU32(key + 24); krrr = GETU32(key + 28); /* generate KL dependent subkeys */ subl(0) = kll; subr(0) = klr; subl(1) = krl; subr(1) = krr; CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 45); subl(12) = kll; subr(12) = klr; subl(13) = krl; subr(13) = krr; CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); subl(16) = kll; subr(16) = klr; subl(17) = krl; subr(17) = krr; CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); subl(22) = kll; subr(22) = klr; subl(23) = krl; subr(23) = krr; CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34); subl(30) = kll; subr(30) = klr; subl(31) = krl; subr(31) = krr; /* generate KR dependent subkeys */ CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); subl(4) = krll; subr(4) = krlr; subl(5) = krrl; subr(5) = krrr; CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); subl(8) = krll; subr(8) = krlr; subl(9) = krrl; subr(9) = krrr; CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); subl(18) = krll; subr(18) = krlr; subl(19) = krrl; subr(19) = krrr; CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); subl(26) = krll; subr(26) = krlr; subl(27) = krrl; subr(27) = krrr; CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); /* generate KA */ kll = subl(0) ^ krll; klr = subr(0) ^ krlr; krl = subl(1) ^ krrl; krr = subr(1) ^ krrr; CAMELLIA_F(kll, klr, CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R, w0, w1, il, ir, t0, t1); krl ^= w0; krr ^= w1; CAMELLIA_F(krl, krr, CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R, kll, klr, il, ir, t0, t1); kll ^= krll; klr ^= krlr; CAMELLIA_F(kll, klr, CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R, krl, krr, il, ir, t0, t1); krl ^= w0 ^ krrl; krr ^= w1 ^ krrr; CAMELLIA_F(krl, krr, CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R, w0, w1, il, ir, t0, t1); kll ^= w0; klr ^= w1; /* generate KB */ krll ^= kll; krlr ^= klr; krrl ^= krl; krrr ^= krr; CAMELLIA_F(krll, krlr, CAMELLIA_SIGMA5L, CAMELLIA_SIGMA5R, w0, w1, il, ir, t0, t1); krrl ^= w0; krrr ^= w1; CAMELLIA_F(krrl, krrr, CAMELLIA_SIGMA6L, CAMELLIA_SIGMA6R, w0, w1, il, ir, t0, t1); krll ^= w0; krlr ^= w1; /* generate KA dependent subkeys */ CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); subl(6) = kll; subr(6) = klr; subl(7) = krl; subr(7) = krr; CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30); subl(14) = kll; subr(14) = klr; subl(15) = krl; subr(15) = krr; subl(24) = klr; subr(24) = krl; subl(25) = krr; subr(25) = kll; CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 49); subl(28) = kll; subr(28) = klr; subl(29) = krl; subr(29) = krr; /* generate KB dependent subkeys */ subl(2) = krll; subr(2) = krlr; subl(3) = krrl; subr(3) = krrr; CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); subl(10) = krll; subr(10) = krlr; subl(11) = krrl; subr(11) = krrr; CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); subl(20) = krll; subr(20) = krlr; subl(21) = krrl; subr(21) = krrr; CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 51); subl(32) = krll; subr(32) = krlr; subl(33) = krrl; subr(33) = krrr; /* absorb kw2 to other subkeys */ subl(3) ^= subl(1); subr(3) ^= subr(1); subl(5) ^= subl(1); subr(5) ^= subr(1); subl(7) ^= subl(1); subr(7) ^= subr(1); subl(1) ^= subr(1) & ~subr(9); dw = subl(1) & subl(9), subr(1) ^= CAMELLIA_RL1(dw); subl(11) ^= subl(1); subr(11) ^= subr(1); subl(13) ^= subl(1); subr(13) ^= subr(1); subl(15) ^= subl(1); subr(15) ^= subr(1); subl(1) ^= subr(1) & ~subr(17); dw = subl(1) & subl(17), subr(1) ^= CAMELLIA_RL1(dw); subl(19) ^= subl(1); subr(19) ^= subr(1); subl(21) ^= subl(1); subr(21) ^= subr(1); subl(23) ^= subl(1); subr(23) ^= subr(1); subl(1) ^= subr(1) & ~subr(25); dw = subl(1) & subl(25), subr(1) ^= CAMELLIA_RL1(dw); subl(27) ^= subl(1); subr(27) ^= subr(1); subl(29) ^= subl(1); subr(29) ^= subr(1); subl(31) ^= subl(1); subr(31) ^= subr(1); subl(32) ^= subl(1); subr(32) ^= subr(1); /* absorb kw4 to other subkeys */ kw4l = subl(33); kw4r = subr(33); subl(30) ^= kw4l; subr(30) ^= kw4r; subl(28) ^= kw4l; subr(28) ^= kw4r; subl(26) ^= kw4l; subr(26) ^= kw4r; kw4l ^= kw4r & ~subr(24); dw = kw4l & subl(24), kw4r ^= CAMELLIA_RL1(dw); subl(22) ^= kw4l; subr(22) ^= kw4r; subl(20) ^= kw4l; subr(20) ^= kw4r; subl(18) ^= kw4l; subr(18) ^= kw4r; kw4l ^= kw4r & ~subr(16); dw = kw4l & subl(16), kw4r ^= CAMELLIA_RL1(dw); subl(14) ^= kw4l; subr(14) ^= kw4r; subl(12) ^= kw4l; subr(12) ^= kw4r; subl(10) ^= kw4l; subr(10) ^= kw4r; kw4l ^= kw4r & ~subr(8); dw = kw4l & subl(8), kw4r ^= CAMELLIA_RL1(dw); subl(6) ^= kw4l; subr(6) ^= kw4r; subl(4) ^= kw4l; subr(4) ^= kw4r; subl(2) ^= kw4l; subr(2) ^= kw4r; subl(0) ^= kw4l; subr(0) ^= kw4r; /* key XOR is end of F-function */ CamelliaSubkeyL(0) = subl(0) ^ subl(2); CamelliaSubkeyR(0) = subr(0) ^ subr(2); CamelliaSubkeyL(2) = subl(3); CamelliaSubkeyR(2) = subr(3); CamelliaSubkeyL(3) = subl(2) ^ subl(4); CamelliaSubkeyR(3) = subr(2) ^ subr(4); CamelliaSubkeyL(4) = subl(3) ^ subl(5); CamelliaSubkeyR(4) = subr(3) ^ subr(5); CamelliaSubkeyL(5) = subl(4) ^ subl(6); CamelliaSubkeyR(5) = subr(4) ^ subr(6); CamelliaSubkeyL(6) = subl(5) ^ subl(7); CamelliaSubkeyR(6) = subr(5) ^ subr(7); tl = subl(10) ^ (subr(10) & ~subr(8)); dw = tl & subl(8), tr = subr(10) ^ CAMELLIA_RL1(dw); CamelliaSubkeyL(7) = subl(6) ^ tl; CamelliaSubkeyR(7) = subr(6) ^ tr; CamelliaSubkeyL(8) = subl(8); CamelliaSubkeyR(8) = subr(8); CamelliaSubkeyL(9) = subl(9); CamelliaSubkeyR(9) = subr(9); tl = subl(7) ^ (subr(7) & ~subr(9)); dw = tl & subl(9), tr = subr(7) ^ CAMELLIA_RL1(dw); CamelliaSubkeyL(10) = tl ^ subl(11); CamelliaSubkeyR(10) = tr ^ subr(11); CamelliaSubkeyL(11) = subl(10) ^ subl(12); CamelliaSubkeyR(11) = subr(10) ^ subr(12); CamelliaSubkeyL(12) = subl(11) ^ subl(13); CamelliaSubkeyR(12) = subr(11) ^ subr(13); CamelliaSubkeyL(13) = subl(12) ^ subl(14); CamelliaSubkeyR(13) = subr(12) ^ subr(14); CamelliaSubkeyL(14) = subl(13) ^ subl(15); CamelliaSubkeyR(14) = subr(13) ^ subr(15); tl = subl(18) ^ (subr(18) & ~subr(16)); dw = tl & subl(16), tr = subr(18) ^ CAMELLIA_RL1(dw); CamelliaSubkeyL(15) = subl(14) ^ tl; CamelliaSubkeyR(15) = subr(14) ^ tr; CamelliaSubkeyL(16) = subl(16); CamelliaSubkeyR(16) = subr(16); CamelliaSubkeyL(17) = subl(17); CamelliaSubkeyR(17) = subr(17); tl = subl(15) ^ (subr(15) & ~subr(17)); dw = tl & subl(17), tr = subr(15) ^ CAMELLIA_RL1(dw); CamelliaSubkeyL(18) = tl ^ subl(19); CamelliaSubkeyR(18) = tr ^ subr(19); CamelliaSubkeyL(19) = subl(18) ^ subl(20); CamelliaSubkeyR(19) = subr(18) ^ subr(20); CamelliaSubkeyL(20) = subl(19) ^ subl(21); CamelliaSubkeyR(20) = subr(19) ^ subr(21); CamelliaSubkeyL(21) = subl(20) ^ subl(22); CamelliaSubkeyR(21) = subr(20) ^ subr(22); CamelliaSubkeyL(22) = subl(21) ^ subl(23); CamelliaSubkeyR(22) = subr(21) ^ subr(23); tl = subl(26) ^ (subr(26) & ~subr(24)); dw = tl & subl(24), tr = subr(26) ^ CAMELLIA_RL1(dw); CamelliaSubkeyL(23) = subl(22) ^ tl; CamelliaSubkeyR(23) = subr(22) ^ tr; CamelliaSubkeyL(24) = subl(24); CamelliaSubkeyR(24) = subr(24); CamelliaSubkeyL(25) = subl(25); CamelliaSubkeyR(25) = subr(25); tl = subl(23) ^ (subr(23) & ~subr(25)); dw = tl & subl(25), tr = subr(23) ^ CAMELLIA_RL1(dw); CamelliaSubkeyL(26) = tl ^ subl(27); CamelliaSubkeyR(26) = tr ^ subr(27); CamelliaSubkeyL(27) = subl(26) ^ subl(28); CamelliaSubkeyR(27) = subr(26) ^ subr(28); CamelliaSubkeyL(28) = subl(27) ^ subl(29); CamelliaSubkeyR(28) = subr(27) ^ subr(29); CamelliaSubkeyL(29) = subl(28) ^ subl(30); CamelliaSubkeyR(29) = subr(28) ^ subr(30); CamelliaSubkeyL(30) = subl(29) ^ subl(31); CamelliaSubkeyR(30) = subr(29) ^ subr(31); CamelliaSubkeyL(31) = subl(30); CamelliaSubkeyR(31) = subr(30); CamelliaSubkeyL(32) = subl(32) ^ subl(31); CamelliaSubkeyR(32) = subr(32) ^ subr(31); /* apply the inverse of the last half of P-function */ dw = CamelliaSubkeyL(2) ^ CamelliaSubkeyR(2), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(2) = CamelliaSubkeyL(2) ^ dw, CamelliaSubkeyL(2) = dw; dw = CamelliaSubkeyL(3) ^ CamelliaSubkeyR(3), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(3) = CamelliaSubkeyL(3) ^ dw, CamelliaSubkeyL(3) = dw; dw = CamelliaSubkeyL(4) ^ CamelliaSubkeyR(4), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(4) = CamelliaSubkeyL(4) ^ dw, CamelliaSubkeyL(4) = dw; dw = CamelliaSubkeyL(5) ^ CamelliaSubkeyR(5), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(5) = CamelliaSubkeyL(5) ^ dw, CamelliaSubkeyL(5) = dw; dw = CamelliaSubkeyL(6) ^ CamelliaSubkeyR(6), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(6) = CamelliaSubkeyL(6) ^ dw, CamelliaSubkeyL(6) = dw; dw = CamelliaSubkeyL(7) ^ CamelliaSubkeyR(7), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(7) = CamelliaSubkeyL(7) ^ dw, CamelliaSubkeyL(7) = dw; dw = CamelliaSubkeyL(10) ^ CamelliaSubkeyR(10), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(10) = CamelliaSubkeyL(10) ^ dw, CamelliaSubkeyL(10) = dw; dw = CamelliaSubkeyL(11) ^ CamelliaSubkeyR(11), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(11) = CamelliaSubkeyL(11) ^ dw, CamelliaSubkeyL(11) = dw; dw = CamelliaSubkeyL(12) ^ CamelliaSubkeyR(12), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(12) = CamelliaSubkeyL(12) ^ dw, CamelliaSubkeyL(12) = dw; dw = CamelliaSubkeyL(13) ^ CamelliaSubkeyR(13), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(13) = CamelliaSubkeyL(13) ^ dw, CamelliaSubkeyL(13) = dw; dw = CamelliaSubkeyL(14) ^ CamelliaSubkeyR(14), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(14) = CamelliaSubkeyL(14) ^ dw, CamelliaSubkeyL(14) = dw; dw = CamelliaSubkeyL(15) ^ CamelliaSubkeyR(15), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(15) = CamelliaSubkeyL(15) ^ dw, CamelliaSubkeyL(15) = dw; dw = CamelliaSubkeyL(18) ^ CamelliaSubkeyR(18), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(18) = CamelliaSubkeyL(18) ^ dw, CamelliaSubkeyL(18) = dw; dw = CamelliaSubkeyL(19) ^ CamelliaSubkeyR(19), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(19) = CamelliaSubkeyL(19) ^ dw, CamelliaSubkeyL(19) = dw; dw = CamelliaSubkeyL(20) ^ CamelliaSubkeyR(20), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(20) = CamelliaSubkeyL(20) ^ dw, CamelliaSubkeyL(20) = dw; dw = CamelliaSubkeyL(21) ^ CamelliaSubkeyR(21), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(21) = CamelliaSubkeyL(21) ^ dw, CamelliaSubkeyL(21) = dw; dw = CamelliaSubkeyL(22) ^ CamelliaSubkeyR(22), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(22) = CamelliaSubkeyL(22) ^ dw, CamelliaSubkeyL(22) = dw; dw = CamelliaSubkeyL(23) ^ CamelliaSubkeyR(23), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(23) = CamelliaSubkeyL(23) ^ dw, CamelliaSubkeyL(23) = dw; dw = CamelliaSubkeyL(26) ^ CamelliaSubkeyR(26), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(26) = CamelliaSubkeyL(26) ^ dw, CamelliaSubkeyL(26) = dw; dw = CamelliaSubkeyL(27) ^ CamelliaSubkeyR(27), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(27) = CamelliaSubkeyL(27) ^ dw, CamelliaSubkeyL(27) = dw; dw = CamelliaSubkeyL(28) ^ CamelliaSubkeyR(28), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(28) = CamelliaSubkeyL(28) ^ dw, CamelliaSubkeyL(28) = dw; dw = CamelliaSubkeyL(29) ^ CamelliaSubkeyR(29), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(29) = CamelliaSubkeyL(29) ^ dw, CamelliaSubkeyL(29) = dw; dw = CamelliaSubkeyL(30) ^ CamelliaSubkeyR(30), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(30) = CamelliaSubkeyL(30) ^ dw, CamelliaSubkeyL(30) = dw; dw = CamelliaSubkeyL(31) ^ CamelliaSubkeyR(31), dw = CAMELLIA_RL8(dw); CamelliaSubkeyR(31) = CamelliaSubkeyL(31) ^ dw,CamelliaSubkeyL(31) = dw; return; } 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); return; } /** * Stuff related to camellia encryption/decryption * * "io" must be 4byte aligned and big-endian data. */ void camellia_encrypt128(const u32 *subkey, u32 *io) { u32 il, ir, t0, t1; /* pre whitening but absorb kw2*/ io[0] ^= CamelliaSubkeyL(0); io[1] ^= CamelliaSubkeyR(0); /* main iteration */ CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(2),CamelliaSubkeyR(2), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(3),CamelliaSubkeyR(3), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(4),CamelliaSubkeyR(4), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(5),CamelliaSubkeyR(5), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(6),CamelliaSubkeyR(6), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(7),CamelliaSubkeyR(7), io[0],io[1],il,ir,t0,t1); CAMELLIA_FLS(io[0],io[1],io[2],io[3], CamelliaSubkeyL(8),CamelliaSubkeyR(8), CamelliaSubkeyL(9),CamelliaSubkeyR(9), t0,t1,il,ir); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(10),CamelliaSubkeyR(10), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(11),CamelliaSubkeyR(11), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(12),CamelliaSubkeyR(12), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(13),CamelliaSubkeyR(13), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(14),CamelliaSubkeyR(14), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(15),CamelliaSubkeyR(15), io[0],io[1],il,ir,t0,t1); CAMELLIA_FLS(io[0],io[1],io[2],io[3], CamelliaSubkeyL(16),CamelliaSubkeyR(16), CamelliaSubkeyL(17),CamelliaSubkeyR(17), t0,t1,il,ir); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(18),CamelliaSubkeyR(18), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(19),CamelliaSubkeyR(19), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(20),CamelliaSubkeyR(20), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(21),CamelliaSubkeyR(21), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(22),CamelliaSubkeyR(22), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(23),CamelliaSubkeyR(23), io[0],io[1],il,ir,t0,t1); /* post whitening but kw4 */ io[2] ^= CamelliaSubkeyL(24); io[3] ^= CamelliaSubkeyR(24); t0 = io[0]; t1 = io[1]; io[0] = io[2]; io[1] = io[3]; io[2] = t0; io[3] = t1; return; } void camellia_decrypt128(const u32 *subkey, u32 *io) { u32 il,ir,t0,t1; /* temporary valiables */ /* pre whitening but absorb kw2*/ io[0] ^= CamelliaSubkeyL(24); io[1] ^= CamelliaSubkeyR(24); /* main iteration */ CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(23),CamelliaSubkeyR(23), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(22),CamelliaSubkeyR(22), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(21),CamelliaSubkeyR(21), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(20),CamelliaSubkeyR(20), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(19),CamelliaSubkeyR(19), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(18),CamelliaSubkeyR(18), io[0],io[1],il,ir,t0,t1); CAMELLIA_FLS(io[0],io[1],io[2],io[3], CamelliaSubkeyL(17),CamelliaSubkeyR(17), CamelliaSubkeyL(16),CamelliaSubkeyR(16), t0,t1,il,ir); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(15),CamelliaSubkeyR(15), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(14),CamelliaSubkeyR(14), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(13),CamelliaSubkeyR(13), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(12),CamelliaSubkeyR(12), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(11),CamelliaSubkeyR(11), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(10),CamelliaSubkeyR(10), io[0],io[1],il,ir,t0,t1); CAMELLIA_FLS(io[0],io[1],io[2],io[3], CamelliaSubkeyL(9),CamelliaSubkeyR(9), CamelliaSubkeyL(8),CamelliaSubkeyR(8), t0,t1,il,ir); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(7),CamelliaSubkeyR(7), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(6),CamelliaSubkeyR(6), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(5),CamelliaSubkeyR(5), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(4),CamelliaSubkeyR(4), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(3),CamelliaSubkeyR(3), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(2),CamelliaSubkeyR(2), io[0],io[1],il,ir,t0,t1); /* post whitening but kw4 */ io[2] ^= CamelliaSubkeyL(0); io[3] ^= CamelliaSubkeyR(0); t0 = io[0]; t1 = io[1]; io[0] = io[2]; io[1] = io[3]; io[2] = t0; io[3] = t1; return; } /** * stuff for 192 and 256bit encryption/decryption */ void camellia_encrypt256(const u32 *subkey, u32 *io) { u32 il,ir,t0,t1; /* temporary valiables */ /* pre whitening but absorb kw2*/ io[0] ^= CamelliaSubkeyL(0); io[1] ^= CamelliaSubkeyR(0); /* main iteration */ CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(2),CamelliaSubkeyR(2), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(3),CamelliaSubkeyR(3), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(4),CamelliaSubkeyR(4), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(5),CamelliaSubkeyR(5), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(6),CamelliaSubkeyR(6), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(7),CamelliaSubkeyR(7), io[0],io[1],il,ir,t0,t1); CAMELLIA_FLS(io[0],io[1],io[2],io[3], CamelliaSubkeyL(8),CamelliaSubkeyR(8), CamelliaSubkeyL(9),CamelliaSubkeyR(9), t0,t1,il,ir); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(10),CamelliaSubkeyR(10), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(11),CamelliaSubkeyR(11), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(12),CamelliaSubkeyR(12), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(13),CamelliaSubkeyR(13), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(14),CamelliaSubkeyR(14), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(15),CamelliaSubkeyR(15), io[0],io[1],il,ir,t0,t1); CAMELLIA_FLS(io[0],io[1],io[2],io[3], CamelliaSubkeyL(16),CamelliaSubkeyR(16), CamelliaSubkeyL(17),CamelliaSubkeyR(17), t0,t1,il,ir); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(18),CamelliaSubkeyR(18), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(19),CamelliaSubkeyR(19), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(20),CamelliaSubkeyR(20), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(21),CamelliaSubkeyR(21), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(22),CamelliaSubkeyR(22), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(23),CamelliaSubkeyR(23), io[0],io[1],il,ir,t0,t1); CAMELLIA_FLS(io[0],io[1],io[2],io[3], CamelliaSubkeyL(24),CamelliaSubkeyR(24), CamelliaSubkeyL(25),CamelliaSubkeyR(25), t0,t1,il,ir); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(26),CamelliaSubkeyR(26), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(27),CamelliaSubkeyR(27), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(28),CamelliaSubkeyR(28), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(29),CamelliaSubkeyR(29), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(30),CamelliaSubkeyR(30), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(31),CamelliaSubkeyR(31), io[0],io[1],il,ir,t0,t1); /* post whitening but kw4 */ io[2] ^= CamelliaSubkeyL(32); io[3] ^= CamelliaSubkeyR(32); t0 = io[0]; t1 = io[1]; io[0] = io[2]; io[1] = io[3]; io[2] = t0; io[3] = t1; return; } void camellia_decrypt256(const u32 *subkey, u32 *io) { u32 il,ir,t0,t1; /* temporary valiables */ /* pre whitening but absorb kw2*/ io[0] ^= CamelliaSubkeyL(32); io[1] ^= CamelliaSubkeyR(32); /* main iteration */ CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(31),CamelliaSubkeyR(31), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(30),CamelliaSubkeyR(30), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(29),CamelliaSubkeyR(29), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(28),CamelliaSubkeyR(28), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(27),CamelliaSubkeyR(27), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(26),CamelliaSubkeyR(26), io[0],io[1],il,ir,t0,t1); CAMELLIA_FLS(io[0],io[1],io[2],io[3], CamelliaSubkeyL(25),CamelliaSubkeyR(25), CamelliaSubkeyL(24),CamelliaSubkeyR(24), t0,t1,il,ir); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(23),CamelliaSubkeyR(23), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(22),CamelliaSubkeyR(22), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(21),CamelliaSubkeyR(21), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(20),CamelliaSubkeyR(20), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(19),CamelliaSubkeyR(19), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(18),CamelliaSubkeyR(18), io[0],io[1],il,ir,t0,t1); CAMELLIA_FLS(io[0],io[1],io[2],io[3], CamelliaSubkeyL(17),CamelliaSubkeyR(17), CamelliaSubkeyL(16),CamelliaSubkeyR(16), t0,t1,il,ir); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(15),CamelliaSubkeyR(15), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(14),CamelliaSubkeyR(14), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(13),CamelliaSubkeyR(13), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(12),CamelliaSubkeyR(12), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(11),CamelliaSubkeyR(11), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(10),CamelliaSubkeyR(10), io[0],io[1],il,ir,t0,t1); CAMELLIA_FLS(io[0],io[1],io[2],io[3], CamelliaSubkeyL(9),CamelliaSubkeyR(9), CamelliaSubkeyL(8),CamelliaSubkeyR(8), t0,t1,il,ir); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(7),CamelliaSubkeyR(7), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(6),CamelliaSubkeyR(6), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(5),CamelliaSubkeyR(5), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(4),CamelliaSubkeyR(4), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(3),CamelliaSubkeyR(3), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(2),CamelliaSubkeyR(2), io[0],io[1],il,ir,t0,t1); /* post whitening but kw4 */ io[2] ^= CamelliaSubkeyL(0); io[3] ^= CamelliaSubkeyR(0); t0 = io[0]; t1 = io[1]; io[0] = io[2]; io[1] = io[3]; io[2] = t0; io[3] = t1; return; } /*** * * API for compatibility */ void Camellia_Ekeygen(const int keyBitLength, const unsigned char *rawKey, KEY_TABLE_TYPE keyTable) { switch(keyBitLength) { case 128: camellia_setup128(rawKey, keyTable); break; case 192: camellia_setup192(rawKey, keyTable); break; case 256: camellia_setup256(rawKey, keyTable); break; default: break; } } void Camellia_EncryptBlock(const int keyBitLength, const unsigned char *plaintext, const KEY_TABLE_TYPE keyTable, unsigned char *ciphertext) { u32 tmp[4]; tmp[0] = GETU32(plaintext); tmp[1] = GETU32(plaintext + 4); tmp[2] = GETU32(plaintext + 8); tmp[3] = GETU32(plaintext + 12); switch (keyBitLength) { case 128: camellia_encrypt128(keyTable, tmp); break; case 192: /* fall through */ case 256: camellia_encrypt256(keyTable, tmp); break; default: break; } PUTU32(ciphertext, tmp[0]); PUTU32(ciphertext + 4, tmp[1]); PUTU32(ciphertext + 8, tmp[2]); PUTU32(ciphertext + 12, tmp[3]); } void Camellia_DecryptBlock(const int keyBitLength, const unsigned char *ciphertext, const KEY_TABLE_TYPE keyTable, unsigned char *plaintext) { u32 tmp[4]; tmp[0] = GETU32(ciphertext); tmp[1] = GETU32(ciphertext + 4); tmp[2] = GETU32(ciphertext + 8); tmp[3] = GETU32(ciphertext + 12); switch (keyBitLength) { case 128: camellia_decrypt128(keyTable, tmp); break; case 192: /* fall through */ case 256: camellia_decrypt256(keyTable, tmp); break; default: break; } PUTU32(plaintext, tmp[0]); PUTU32(plaintext + 4, tmp[1]); PUTU32(plaintext + 8, tmp[2]); PUTU32(plaintext + 12, tmp[3]); }