| 1 | /* $NetBSD: camellia.c,v 1.2 2014/01/01 15:18:57 pgoyette Exp $ */ |
| 2 | |
| 3 | /* camellia.h ver 1.1.0 |
| 4 | * |
| 5 | * Copyright (c) 2006 |
| 6 | * NTT (Nippon Telegraph and Telephone Corporation) . All rights reserved. |
| 7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions |
| 10 | * are met: |
| 11 | * 1. Redistributions of source code must retain the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer as |
| 13 | * the first lines of this file unmodified. |
| 14 | * 2. Redistributions in binary form must reproduce the above copyright |
| 15 | * notice, this list of conditions and the following disclaimer in the |
| 16 | * documentation and/or other materials provided with the distribution. |
| 17 | * |
| 18 | * THIS SOFTWARE IS PROVIDED BY NTT ``AS IS'' AND ANY EXPRESS OR |
| 19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 21 | * IN NO EVENT SHALL NTT BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 28 | */ |
| 29 | |
| 30 | /* |
| 31 | * Algorithm Specification |
| 32 | * http://info.isl.ntt.co.jp/crypt/eng/camellia/specifications.html |
| 33 | */ |
| 34 | |
| 35 | #include <sys/cdefs.h> |
| 36 | #include <sys/types.h> |
| 37 | #include <sys/systm.h> |
| 38 | #include <sys/errno.h> |
| 39 | #include <sys/module.h> |
| 40 | |
| 41 | #include <crypto/camellia/camellia.h> |
| 42 | |
| 43 | |
| 44 | /* key constants */ |
| 45 | |
| 46 | #define CAMELLIA_SIGMA1L (0xA09E667FL) |
| 47 | #define CAMELLIA_SIGMA1R (0x3BCC908BL) |
| 48 | #define CAMELLIA_SIGMA2L (0xB67AE858L) |
| 49 | #define CAMELLIA_SIGMA2R (0x4CAA73B2L) |
| 50 | #define CAMELLIA_SIGMA3L (0xC6EF372FL) |
| 51 | #define CAMELLIA_SIGMA3R (0xE94F82BEL) |
| 52 | #define CAMELLIA_SIGMA4L (0x54FF53A5L) |
| 53 | #define CAMELLIA_SIGMA4R (0xF1D36F1CL) |
| 54 | #define CAMELLIA_SIGMA5L (0x10E527FAL) |
| 55 | #define CAMELLIA_SIGMA5R (0xDE682D1DL) |
| 56 | #define CAMELLIA_SIGMA6L (0xB05688C2L) |
| 57 | #define CAMELLIA_SIGMA6R (0xB3E6C1FDL) |
| 58 | |
| 59 | /* |
| 60 | * macros |
| 61 | */ |
| 62 | #define GETU32(pt) (((uint32_t)(pt)[0] << 24) \ |
| 63 | ^ ((uint32_t)(pt)[1] << 16) \ |
| 64 | ^ ((uint32_t)(pt)[2] << 8) \ |
| 65 | ^ ((uint32_t)(pt)[3])) |
| 66 | |
| 67 | #define PUTU32(ct, st) {(ct)[0] = (uint8_t)((st) >> 24); \ |
| 68 | (ct)[1] = (uint8_t)((st) >> 16); \ |
| 69 | (ct)[2] = (uint8_t)((st) >> 8); \ |
| 70 | (ct)[3] = (uint8_t)(st);} |
| 71 | |
| 72 | #define SUBL(INDEX) (subkey[(INDEX)*2+1]) |
| 73 | #define SUBR(INDEX) (subkey[(INDEX)*2]) |
| 74 | |
| 75 | #define CAMELLIA_RR8(x) (((x) >> 8) + ((x) << 24)) |
| 76 | #define CAMELLIA_RL1(x) (((x) << 1) + ((x) >> 31)) |
| 77 | #define CAMELLIA_RL8(x) (((x) << 8) + ((x) >> 24)) |
| 78 | |
| 79 | #define CAMELLIA_ROLDQ(ll, lr, rl, rr, w0, w1, bits) \ |
| 80 | do { \ |
| 81 | w0 = ll; \ |
| 82 | ll = (ll << bits) + (lr >> (32 - bits)); \ |
| 83 | lr = (lr << bits) + (rl >> (32 - bits)); \ |
| 84 | rl = (rl << bits) + (rr >> (32 - bits)); \ |
| 85 | rr = (rr << bits) + (w0 >> (32 - bits)); \ |
| 86 | } while(0) |
| 87 | |
| 88 | #define CAMELLIA_ROLDQo32(ll, lr, rl, rr, w0, w1, bits) \ |
| 89 | do { \ |
| 90 | w0 = ll; \ |
| 91 | w1 = lr; \ |
| 92 | ll = (lr << (bits - 32)) + (rl >> (64 - bits)); \ |
| 93 | lr = (rl << (bits - 32)) + (rr >> (64 - bits)); \ |
| 94 | rl = (rr << (bits - 32)) + (w0 >> (64 - bits)); \ |
| 95 | rr = (w0 << (bits - 32)) + (w1 >> (64 - bits)); \ |
| 96 | } while(0) |
| 97 | |
| 98 | #define CAMELLIA_SP1110(INDEX) (camellia_sp1110[(INDEX)]) |
| 99 | #define CAMELLIA_SP0222(INDEX) (camellia_sp0222[(INDEX)]) |
| 100 | #define CAMELLIA_SP3033(INDEX) (camellia_sp3033[(INDEX)]) |
| 101 | #define CAMELLIA_SP4404(INDEX) (camellia_sp4404[(INDEX)]) |
| 102 | |
| 103 | #define CAMELLIA_F(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \ |
| 104 | do { \ |
| 105 | il = xl ^ kl; \ |
| 106 | ir = xr ^ kr; \ |
| 107 | t0 = il >> 16; \ |
| 108 | t1 = ir >> 16; \ |
| 109 | yl = CAMELLIA_SP1110(ir & 0xff) \ |
| 110 | ^ CAMELLIA_SP0222((t1 >> 8) & 0xff) \ |
| 111 | ^ CAMELLIA_SP3033(t1 & 0xff) \ |
| 112 | ^ CAMELLIA_SP4404((ir >> 8) & 0xff); \ |
| 113 | yr = CAMELLIA_SP1110((t0 >> 8) & 0xff) \ |
| 114 | ^ CAMELLIA_SP0222(t0 & 0xff) \ |
| 115 | ^ CAMELLIA_SP3033((il >> 8) & 0xff) \ |
| 116 | ^ CAMELLIA_SP4404(il & 0xff); \ |
| 117 | yl ^= yr; \ |
| 118 | yr = CAMELLIA_RR8(yr); \ |
| 119 | yr ^= yl; \ |
| 120 | } while(0) |
| 121 | |
| 122 | |
| 123 | #define CAMELLIA_FLS(ll, lr, rl, rr, kll, klr, krl, krr, t0, t1, t2, t3) \ |
| 124 | do { \ |
| 125 | t0 = kll; \ |
| 126 | t2 = krr; \ |
| 127 | t0 &= ll; \ |
| 128 | t2 |= rr; \ |
| 129 | rl ^= t2; \ |
| 130 | lr ^= CAMELLIA_RL1(t0); \ |
| 131 | t3 = krl; \ |
| 132 | t1 = klr; \ |
| 133 | t3 &= rl; \ |
| 134 | t1 |= lr; \ |
| 135 | ll ^= t1; \ |
| 136 | rr ^= CAMELLIA_RL1(t3); \ |
| 137 | } while(0) |
| 138 | |
| 139 | #define CAMELLIA_ROUNDSM(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \ |
| 140 | do { \ |
| 141 | ir = CAMELLIA_SP1110(xr & 0xff); \ |
| 142 | il = CAMELLIA_SP1110((xl>>24) & 0xff); \ |
| 143 | ir ^= CAMELLIA_SP0222((xr>>24) & 0xff); \ |
| 144 | il ^= CAMELLIA_SP0222((xl>>16) & 0xff); \ |
| 145 | ir ^= CAMELLIA_SP3033((xr>>16) & 0xff); \ |
| 146 | il ^= CAMELLIA_SP3033((xl>>8) & 0xff); \ |
| 147 | ir ^= CAMELLIA_SP4404((xr>>8) & 0xff); \ |
| 148 | il ^= CAMELLIA_SP4404(xl & 0xff); \ |
| 149 | il ^= kl; \ |
| 150 | ir ^= kr; \ |
| 151 | ir ^= il; \ |
| 152 | il = CAMELLIA_RR8(il); \ |
| 153 | il ^= ir; \ |
| 154 | yl ^= ir; \ |
| 155 | yr ^= il; \ |
| 156 | } while(0) |
| 157 | |
| 158 | |
| 159 | static const uint32_t camellia_sp1110[256] = { |
| 160 | 0x70707000,0x82828200,0x2c2c2c00,0xececec00, |
| 161 | 0xb3b3b300,0x27272700,0xc0c0c000,0xe5e5e500, |
| 162 | 0xe4e4e400,0x85858500,0x57575700,0x35353500, |
| 163 | 0xeaeaea00,0x0c0c0c00,0xaeaeae00,0x41414100, |
| 164 | 0x23232300,0xefefef00,0x6b6b6b00,0x93939300, |
| 165 | 0x45454500,0x19191900,0xa5a5a500,0x21212100, |
| 166 | 0xededed00,0x0e0e0e00,0x4f4f4f00,0x4e4e4e00, |
| 167 | 0x1d1d1d00,0x65656500,0x92929200,0xbdbdbd00, |
| 168 | 0x86868600,0xb8b8b800,0xafafaf00,0x8f8f8f00, |
| 169 | 0x7c7c7c00,0xebebeb00,0x1f1f1f00,0xcecece00, |
| 170 | 0x3e3e3e00,0x30303000,0xdcdcdc00,0x5f5f5f00, |
| 171 | 0x5e5e5e00,0xc5c5c500,0x0b0b0b00,0x1a1a1a00, |
| 172 | 0xa6a6a600,0xe1e1e100,0x39393900,0xcacaca00, |
| 173 | 0xd5d5d500,0x47474700,0x5d5d5d00,0x3d3d3d00, |
| 174 | 0xd9d9d900,0x01010100,0x5a5a5a00,0xd6d6d600, |
| 175 | 0x51515100,0x56565600,0x6c6c6c00,0x4d4d4d00, |
| 176 | 0x8b8b8b00,0x0d0d0d00,0x9a9a9a00,0x66666600, |
| 177 | 0xfbfbfb00,0xcccccc00,0xb0b0b000,0x2d2d2d00, |
| 178 | 0x74747400,0x12121200,0x2b2b2b00,0x20202000, |
| 179 | 0xf0f0f000,0xb1b1b100,0x84848400,0x99999900, |
| 180 | 0xdfdfdf00,0x4c4c4c00,0xcbcbcb00,0xc2c2c200, |
| 181 | 0x34343400,0x7e7e7e00,0x76767600,0x05050500, |
| 182 | 0x6d6d6d00,0xb7b7b700,0xa9a9a900,0x31313100, |
| 183 | 0xd1d1d100,0x17171700,0x04040400,0xd7d7d700, |
| 184 | 0x14141400,0x58585800,0x3a3a3a00,0x61616100, |
| 185 | 0xdedede00,0x1b1b1b00,0x11111100,0x1c1c1c00, |
| 186 | 0x32323200,0x0f0f0f00,0x9c9c9c00,0x16161600, |
| 187 | 0x53535300,0x18181800,0xf2f2f200,0x22222200, |
| 188 | 0xfefefe00,0x44444400,0xcfcfcf00,0xb2b2b200, |
| 189 | 0xc3c3c300,0xb5b5b500,0x7a7a7a00,0x91919100, |
| 190 | 0x24242400,0x08080800,0xe8e8e800,0xa8a8a800, |
| 191 | 0x60606000,0xfcfcfc00,0x69696900,0x50505000, |
| 192 | 0xaaaaaa00,0xd0d0d000,0xa0a0a000,0x7d7d7d00, |
| 193 | 0xa1a1a100,0x89898900,0x62626200,0x97979700, |
| 194 | 0x54545400,0x5b5b5b00,0x1e1e1e00,0x95959500, |
| 195 | 0xe0e0e000,0xffffff00,0x64646400,0xd2d2d200, |
| 196 | 0x10101000,0xc4c4c400,0x00000000,0x48484800, |
| 197 | 0xa3a3a300,0xf7f7f700,0x75757500,0xdbdbdb00, |
| 198 | 0x8a8a8a00,0x03030300,0xe6e6e600,0xdadada00, |
| 199 | 0x09090900,0x3f3f3f00,0xdddddd00,0x94949400, |
| 200 | 0x87878700,0x5c5c5c00,0x83838300,0x02020200, |
| 201 | 0xcdcdcd00,0x4a4a4a00,0x90909000,0x33333300, |
| 202 | 0x73737300,0x67676700,0xf6f6f600,0xf3f3f300, |
| 203 | 0x9d9d9d00,0x7f7f7f00,0xbfbfbf00,0xe2e2e200, |
| 204 | 0x52525200,0x9b9b9b00,0xd8d8d800,0x26262600, |
| 205 | 0xc8c8c800,0x37373700,0xc6c6c600,0x3b3b3b00, |
| 206 | 0x81818100,0x96969600,0x6f6f6f00,0x4b4b4b00, |
| 207 | 0x13131300,0xbebebe00,0x63636300,0x2e2e2e00, |
| 208 | 0xe9e9e900,0x79797900,0xa7a7a700,0x8c8c8c00, |
| 209 | 0x9f9f9f00,0x6e6e6e00,0xbcbcbc00,0x8e8e8e00, |
| 210 | 0x29292900,0xf5f5f500,0xf9f9f900,0xb6b6b600, |
| 211 | 0x2f2f2f00,0xfdfdfd00,0xb4b4b400,0x59595900, |
| 212 | 0x78787800,0x98989800,0x06060600,0x6a6a6a00, |
| 213 | 0xe7e7e700,0x46464600,0x71717100,0xbababa00, |
| 214 | 0xd4d4d400,0x25252500,0xababab00,0x42424200, |
| 215 | 0x88888800,0xa2a2a200,0x8d8d8d00,0xfafafa00, |
| 216 | 0x72727200,0x07070700,0xb9b9b900,0x55555500, |
| 217 | 0xf8f8f800,0xeeeeee00,0xacacac00,0x0a0a0a00, |
| 218 | 0x36363600,0x49494900,0x2a2a2a00,0x68686800, |
| 219 | 0x3c3c3c00,0x38383800,0xf1f1f100,0xa4a4a400, |
| 220 | 0x40404000,0x28282800,0xd3d3d300,0x7b7b7b00, |
| 221 | 0xbbbbbb00,0xc9c9c900,0x43434300,0xc1c1c100, |
| 222 | 0x15151500,0xe3e3e300,0xadadad00,0xf4f4f400, |
| 223 | 0x77777700,0xc7c7c700,0x80808000,0x9e9e9e00, |
| 224 | }; |
| 225 | |
| 226 | static const uint32_t camellia_sp0222[256] = { |
| 227 | 0x00e0e0e0,0x00050505,0x00585858,0x00d9d9d9, |
| 228 | 0x00676767,0x004e4e4e,0x00818181,0x00cbcbcb, |
| 229 | 0x00c9c9c9,0x000b0b0b,0x00aeaeae,0x006a6a6a, |
| 230 | 0x00d5d5d5,0x00181818,0x005d5d5d,0x00828282, |
| 231 | 0x00464646,0x00dfdfdf,0x00d6d6d6,0x00272727, |
| 232 | 0x008a8a8a,0x00323232,0x004b4b4b,0x00424242, |
| 233 | 0x00dbdbdb,0x001c1c1c,0x009e9e9e,0x009c9c9c, |
| 234 | 0x003a3a3a,0x00cacaca,0x00252525,0x007b7b7b, |
| 235 | 0x000d0d0d,0x00717171,0x005f5f5f,0x001f1f1f, |
| 236 | 0x00f8f8f8,0x00d7d7d7,0x003e3e3e,0x009d9d9d, |
| 237 | 0x007c7c7c,0x00606060,0x00b9b9b9,0x00bebebe, |
| 238 | 0x00bcbcbc,0x008b8b8b,0x00161616,0x00343434, |
| 239 | 0x004d4d4d,0x00c3c3c3,0x00727272,0x00959595, |
| 240 | 0x00ababab,0x008e8e8e,0x00bababa,0x007a7a7a, |
| 241 | 0x00b3b3b3,0x00020202,0x00b4b4b4,0x00adadad, |
| 242 | 0x00a2a2a2,0x00acacac,0x00d8d8d8,0x009a9a9a, |
| 243 | 0x00171717,0x001a1a1a,0x00353535,0x00cccccc, |
| 244 | 0x00f7f7f7,0x00999999,0x00616161,0x005a5a5a, |
| 245 | 0x00e8e8e8,0x00242424,0x00565656,0x00404040, |
| 246 | 0x00e1e1e1,0x00636363,0x00090909,0x00333333, |
| 247 | 0x00bfbfbf,0x00989898,0x00979797,0x00858585, |
| 248 | 0x00686868,0x00fcfcfc,0x00ececec,0x000a0a0a, |
| 249 | 0x00dadada,0x006f6f6f,0x00535353,0x00626262, |
| 250 | 0x00a3a3a3,0x002e2e2e,0x00080808,0x00afafaf, |
| 251 | 0x00282828,0x00b0b0b0,0x00747474,0x00c2c2c2, |
| 252 | 0x00bdbdbd,0x00363636,0x00222222,0x00383838, |
| 253 | 0x00646464,0x001e1e1e,0x00393939,0x002c2c2c, |
| 254 | 0x00a6a6a6,0x00303030,0x00e5e5e5,0x00444444, |
| 255 | 0x00fdfdfd,0x00888888,0x009f9f9f,0x00656565, |
| 256 | 0x00878787,0x006b6b6b,0x00f4f4f4,0x00232323, |
| 257 | 0x00484848,0x00101010,0x00d1d1d1,0x00515151, |
| 258 | 0x00c0c0c0,0x00f9f9f9,0x00d2d2d2,0x00a0a0a0, |
| 259 | 0x00555555,0x00a1a1a1,0x00414141,0x00fafafa, |
| 260 | 0x00434343,0x00131313,0x00c4c4c4,0x002f2f2f, |
| 261 | 0x00a8a8a8,0x00b6b6b6,0x003c3c3c,0x002b2b2b, |
| 262 | 0x00c1c1c1,0x00ffffff,0x00c8c8c8,0x00a5a5a5, |
| 263 | 0x00202020,0x00898989,0x00000000,0x00909090, |
| 264 | 0x00474747,0x00efefef,0x00eaeaea,0x00b7b7b7, |
| 265 | 0x00151515,0x00060606,0x00cdcdcd,0x00b5b5b5, |
| 266 | 0x00121212,0x007e7e7e,0x00bbbbbb,0x00292929, |
| 267 | 0x000f0f0f,0x00b8b8b8,0x00070707,0x00040404, |
| 268 | 0x009b9b9b,0x00949494,0x00212121,0x00666666, |
| 269 | 0x00e6e6e6,0x00cecece,0x00ededed,0x00e7e7e7, |
| 270 | 0x003b3b3b,0x00fefefe,0x007f7f7f,0x00c5c5c5, |
| 271 | 0x00a4a4a4,0x00373737,0x00b1b1b1,0x004c4c4c, |
| 272 | 0x00919191,0x006e6e6e,0x008d8d8d,0x00767676, |
| 273 | 0x00030303,0x002d2d2d,0x00dedede,0x00969696, |
| 274 | 0x00262626,0x007d7d7d,0x00c6c6c6,0x005c5c5c, |
| 275 | 0x00d3d3d3,0x00f2f2f2,0x004f4f4f,0x00191919, |
| 276 | 0x003f3f3f,0x00dcdcdc,0x00797979,0x001d1d1d, |
| 277 | 0x00525252,0x00ebebeb,0x00f3f3f3,0x006d6d6d, |
| 278 | 0x005e5e5e,0x00fbfbfb,0x00696969,0x00b2b2b2, |
| 279 | 0x00f0f0f0,0x00313131,0x000c0c0c,0x00d4d4d4, |
| 280 | 0x00cfcfcf,0x008c8c8c,0x00e2e2e2,0x00757575, |
| 281 | 0x00a9a9a9,0x004a4a4a,0x00575757,0x00848484, |
| 282 | 0x00111111,0x00454545,0x001b1b1b,0x00f5f5f5, |
| 283 | 0x00e4e4e4,0x000e0e0e,0x00737373,0x00aaaaaa, |
| 284 | 0x00f1f1f1,0x00dddddd,0x00595959,0x00141414, |
| 285 | 0x006c6c6c,0x00929292,0x00545454,0x00d0d0d0, |
| 286 | 0x00787878,0x00707070,0x00e3e3e3,0x00494949, |
| 287 | 0x00808080,0x00505050,0x00a7a7a7,0x00f6f6f6, |
| 288 | 0x00777777,0x00939393,0x00868686,0x00838383, |
| 289 | 0x002a2a2a,0x00c7c7c7,0x005b5b5b,0x00e9e9e9, |
| 290 | 0x00eeeeee,0x008f8f8f,0x00010101,0x003d3d3d, |
| 291 | }; |
| 292 | |
| 293 | static const uint32_t camellia_sp3033[256] = { |
| 294 | 0x38003838,0x41004141,0x16001616,0x76007676, |
| 295 | 0xd900d9d9,0x93009393,0x60006060,0xf200f2f2, |
| 296 | 0x72007272,0xc200c2c2,0xab00abab,0x9a009a9a, |
| 297 | 0x75007575,0x06000606,0x57005757,0xa000a0a0, |
| 298 | 0x91009191,0xf700f7f7,0xb500b5b5,0xc900c9c9, |
| 299 | 0xa200a2a2,0x8c008c8c,0xd200d2d2,0x90009090, |
| 300 | 0xf600f6f6,0x07000707,0xa700a7a7,0x27002727, |
| 301 | 0x8e008e8e,0xb200b2b2,0x49004949,0xde00dede, |
| 302 | 0x43004343,0x5c005c5c,0xd700d7d7,0xc700c7c7, |
| 303 | 0x3e003e3e,0xf500f5f5,0x8f008f8f,0x67006767, |
| 304 | 0x1f001f1f,0x18001818,0x6e006e6e,0xaf00afaf, |
| 305 | 0x2f002f2f,0xe200e2e2,0x85008585,0x0d000d0d, |
| 306 | 0x53005353,0xf000f0f0,0x9c009c9c,0x65006565, |
| 307 | 0xea00eaea,0xa300a3a3,0xae00aeae,0x9e009e9e, |
| 308 | 0xec00ecec,0x80008080,0x2d002d2d,0x6b006b6b, |
| 309 | 0xa800a8a8,0x2b002b2b,0x36003636,0xa600a6a6, |
| 310 | 0xc500c5c5,0x86008686,0x4d004d4d,0x33003333, |
| 311 | 0xfd00fdfd,0x66006666,0x58005858,0x96009696, |
| 312 | 0x3a003a3a,0x09000909,0x95009595,0x10001010, |
| 313 | 0x78007878,0xd800d8d8,0x42004242,0xcc00cccc, |
| 314 | 0xef00efef,0x26002626,0xe500e5e5,0x61006161, |
| 315 | 0x1a001a1a,0x3f003f3f,0x3b003b3b,0x82008282, |
| 316 | 0xb600b6b6,0xdb00dbdb,0xd400d4d4,0x98009898, |
| 317 | 0xe800e8e8,0x8b008b8b,0x02000202,0xeb00ebeb, |
| 318 | 0x0a000a0a,0x2c002c2c,0x1d001d1d,0xb000b0b0, |
| 319 | 0x6f006f6f,0x8d008d8d,0x88008888,0x0e000e0e, |
| 320 | 0x19001919,0x87008787,0x4e004e4e,0x0b000b0b, |
| 321 | 0xa900a9a9,0x0c000c0c,0x79007979,0x11001111, |
| 322 | 0x7f007f7f,0x22002222,0xe700e7e7,0x59005959, |
| 323 | 0xe100e1e1,0xda00dada,0x3d003d3d,0xc800c8c8, |
| 324 | 0x12001212,0x04000404,0x74007474,0x54005454, |
| 325 | 0x30003030,0x7e007e7e,0xb400b4b4,0x28002828, |
| 326 | 0x55005555,0x68006868,0x50005050,0xbe00bebe, |
| 327 | 0xd000d0d0,0xc400c4c4,0x31003131,0xcb00cbcb, |
| 328 | 0x2a002a2a,0xad00adad,0x0f000f0f,0xca00caca, |
| 329 | 0x70007070,0xff00ffff,0x32003232,0x69006969, |
| 330 | 0x08000808,0x62006262,0x00000000,0x24002424, |
| 331 | 0xd100d1d1,0xfb00fbfb,0xba00baba,0xed00eded, |
| 332 | 0x45004545,0x81008181,0x73007373,0x6d006d6d, |
| 333 | 0x84008484,0x9f009f9f,0xee00eeee,0x4a004a4a, |
| 334 | 0xc300c3c3,0x2e002e2e,0xc100c1c1,0x01000101, |
| 335 | 0xe600e6e6,0x25002525,0x48004848,0x99009999, |
| 336 | 0xb900b9b9,0xb300b3b3,0x7b007b7b,0xf900f9f9, |
| 337 | 0xce00cece,0xbf00bfbf,0xdf00dfdf,0x71007171, |
| 338 | 0x29002929,0xcd00cdcd,0x6c006c6c,0x13001313, |
| 339 | 0x64006464,0x9b009b9b,0x63006363,0x9d009d9d, |
| 340 | 0xc000c0c0,0x4b004b4b,0xb700b7b7,0xa500a5a5, |
| 341 | 0x89008989,0x5f005f5f,0xb100b1b1,0x17001717, |
| 342 | 0xf400f4f4,0xbc00bcbc,0xd300d3d3,0x46004646, |
| 343 | 0xcf00cfcf,0x37003737,0x5e005e5e,0x47004747, |
| 344 | 0x94009494,0xfa00fafa,0xfc00fcfc,0x5b005b5b, |
| 345 | 0x97009797,0xfe00fefe,0x5a005a5a,0xac00acac, |
| 346 | 0x3c003c3c,0x4c004c4c,0x03000303,0x35003535, |
| 347 | 0xf300f3f3,0x23002323,0xb800b8b8,0x5d005d5d, |
| 348 | 0x6a006a6a,0x92009292,0xd500d5d5,0x21002121, |
| 349 | 0x44004444,0x51005151,0xc600c6c6,0x7d007d7d, |
| 350 | 0x39003939,0x83008383,0xdc00dcdc,0xaa00aaaa, |
| 351 | 0x7c007c7c,0x77007777,0x56005656,0x05000505, |
| 352 | 0x1b001b1b,0xa400a4a4,0x15001515,0x34003434, |
| 353 | 0x1e001e1e,0x1c001c1c,0xf800f8f8,0x52005252, |
| 354 | 0x20002020,0x14001414,0xe900e9e9,0xbd00bdbd, |
| 355 | 0xdd00dddd,0xe400e4e4,0xa100a1a1,0xe000e0e0, |
| 356 | 0x8a008a8a,0xf100f1f1,0xd600d6d6,0x7a007a7a, |
| 357 | 0xbb00bbbb,0xe300e3e3,0x40004040,0x4f004f4f, |
| 358 | }; |
| 359 | |
| 360 | static const uint32_t camellia_sp4404[256] = { |
| 361 | 0x70700070,0x2c2c002c,0xb3b300b3,0xc0c000c0, |
| 362 | 0xe4e400e4,0x57570057,0xeaea00ea,0xaeae00ae, |
| 363 | 0x23230023,0x6b6b006b,0x45450045,0xa5a500a5, |
| 364 | 0xeded00ed,0x4f4f004f,0x1d1d001d,0x92920092, |
| 365 | 0x86860086,0xafaf00af,0x7c7c007c,0x1f1f001f, |
| 366 | 0x3e3e003e,0xdcdc00dc,0x5e5e005e,0x0b0b000b, |
| 367 | 0xa6a600a6,0x39390039,0xd5d500d5,0x5d5d005d, |
| 368 | 0xd9d900d9,0x5a5a005a,0x51510051,0x6c6c006c, |
| 369 | 0x8b8b008b,0x9a9a009a,0xfbfb00fb,0xb0b000b0, |
| 370 | 0x74740074,0x2b2b002b,0xf0f000f0,0x84840084, |
| 371 | 0xdfdf00df,0xcbcb00cb,0x34340034,0x76760076, |
| 372 | 0x6d6d006d,0xa9a900a9,0xd1d100d1,0x04040004, |
| 373 | 0x14140014,0x3a3a003a,0xdede00de,0x11110011, |
| 374 | 0x32320032,0x9c9c009c,0x53530053,0xf2f200f2, |
| 375 | 0xfefe00fe,0xcfcf00cf,0xc3c300c3,0x7a7a007a, |
| 376 | 0x24240024,0xe8e800e8,0x60600060,0x69690069, |
| 377 | 0xaaaa00aa,0xa0a000a0,0xa1a100a1,0x62620062, |
| 378 | 0x54540054,0x1e1e001e,0xe0e000e0,0x64640064, |
| 379 | 0x10100010,0x00000000,0xa3a300a3,0x75750075, |
| 380 | 0x8a8a008a,0xe6e600e6,0x09090009,0xdddd00dd, |
| 381 | 0x87870087,0x83830083,0xcdcd00cd,0x90900090, |
| 382 | 0x73730073,0xf6f600f6,0x9d9d009d,0xbfbf00bf, |
| 383 | 0x52520052,0xd8d800d8,0xc8c800c8,0xc6c600c6, |
| 384 | 0x81810081,0x6f6f006f,0x13130013,0x63630063, |
| 385 | 0xe9e900e9,0xa7a700a7,0x9f9f009f,0xbcbc00bc, |
| 386 | 0x29290029,0xf9f900f9,0x2f2f002f,0xb4b400b4, |
| 387 | 0x78780078,0x06060006,0xe7e700e7,0x71710071, |
| 388 | 0xd4d400d4,0xabab00ab,0x88880088,0x8d8d008d, |
| 389 | 0x72720072,0xb9b900b9,0xf8f800f8,0xacac00ac, |
| 390 | 0x36360036,0x2a2a002a,0x3c3c003c,0xf1f100f1, |
| 391 | 0x40400040,0xd3d300d3,0xbbbb00bb,0x43430043, |
| 392 | 0x15150015,0xadad00ad,0x77770077,0x80800080, |
| 393 | 0x82820082,0xecec00ec,0x27270027,0xe5e500e5, |
| 394 | 0x85850085,0x35350035,0x0c0c000c,0x41410041, |
| 395 | 0xefef00ef,0x93930093,0x19190019,0x21210021, |
| 396 | 0x0e0e000e,0x4e4e004e,0x65650065,0xbdbd00bd, |
| 397 | 0xb8b800b8,0x8f8f008f,0xebeb00eb,0xcece00ce, |
| 398 | 0x30300030,0x5f5f005f,0xc5c500c5,0x1a1a001a, |
| 399 | 0xe1e100e1,0xcaca00ca,0x47470047,0x3d3d003d, |
| 400 | 0x01010001,0xd6d600d6,0x56560056,0x4d4d004d, |
| 401 | 0x0d0d000d,0x66660066,0xcccc00cc,0x2d2d002d, |
| 402 | 0x12120012,0x20200020,0xb1b100b1,0x99990099, |
| 403 | 0x4c4c004c,0xc2c200c2,0x7e7e007e,0x05050005, |
| 404 | 0xb7b700b7,0x31310031,0x17170017,0xd7d700d7, |
| 405 | 0x58580058,0x61610061,0x1b1b001b,0x1c1c001c, |
| 406 | 0x0f0f000f,0x16160016,0x18180018,0x22220022, |
| 407 | 0x44440044,0xb2b200b2,0xb5b500b5,0x91910091, |
| 408 | 0x08080008,0xa8a800a8,0xfcfc00fc,0x50500050, |
| 409 | 0xd0d000d0,0x7d7d007d,0x89890089,0x97970097, |
| 410 | 0x5b5b005b,0x95950095,0xffff00ff,0xd2d200d2, |
| 411 | 0xc4c400c4,0x48480048,0xf7f700f7,0xdbdb00db, |
| 412 | 0x03030003,0xdada00da,0x3f3f003f,0x94940094, |
| 413 | 0x5c5c005c,0x02020002,0x4a4a004a,0x33330033, |
| 414 | 0x67670067,0xf3f300f3,0x7f7f007f,0xe2e200e2, |
| 415 | 0x9b9b009b,0x26260026,0x37370037,0x3b3b003b, |
| 416 | 0x96960096,0x4b4b004b,0xbebe00be,0x2e2e002e, |
| 417 | 0x79790079,0x8c8c008c,0x6e6e006e,0x8e8e008e, |
| 418 | 0xf5f500f5,0xb6b600b6,0xfdfd00fd,0x59590059, |
| 419 | 0x98980098,0x6a6a006a,0x46460046,0xbaba00ba, |
| 420 | 0x25250025,0x42420042,0xa2a200a2,0xfafa00fa, |
| 421 | 0x07070007,0x55550055,0xeeee00ee,0x0a0a000a, |
| 422 | 0x49490049,0x68680068,0x38380038,0xa4a400a4, |
| 423 | 0x28280028,0x7b7b007b,0xc9c900c9,0xc1c100c1, |
| 424 | 0xe3e300e3,0xf4f400f4,0xc7c700c7,0x9e9e009e, |
| 425 | }; |
| 426 | |
| 427 | |
| 428 | /* |
| 429 | * Stuff related to the Camellia key schedule |
| 430 | */ |
| 431 | #define subl(x) subL[(x)] |
| 432 | #define subr(x) subR[(x)] |
| 433 | |
| 434 | void |
| 435 | camellia_setup128(const unsigned char *key, uint32_t *subkey) |
| 436 | { |
| 437 | uint32_t kll, klr, krl, krr; |
| 438 | uint32_t il, ir, t0, t1, w0, w1; |
| 439 | uint32_t kw4l, kw4r, dw, tl, tr; |
| 440 | uint32_t subL[26]; |
| 441 | uint32_t subR[26]; |
| 442 | |
| 443 | /* |
| 444 | * k == kll || klr || krl || krr (|| is concatination) |
| 445 | */ |
| 446 | kll = GETU32(key ); |
| 447 | klr = GETU32(key + 4); |
| 448 | krl = GETU32(key + 8); |
| 449 | krr = GETU32(key + 12); |
| 450 | /* |
| 451 | * generate KL dependent subkeys |
| 452 | */ |
| 453 | subl(0) = kll; subr(0) = klr; |
| 454 | subl(1) = krl; subr(1) = krr; |
| 455 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| 456 | subl(4) = kll; subr(4) = klr; |
| 457 | subl(5) = krl; subr(5) = krr; |
| 458 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30); |
| 459 | subl(10) = kll; subr(10) = klr; |
| 460 | subl(11) = krl; subr(11) = krr; |
| 461 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| 462 | subl(13) = krl; subr(13) = krr; |
| 463 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
| 464 | subl(16) = kll; subr(16) = klr; |
| 465 | subl(17) = krl; subr(17) = krr; |
| 466 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
| 467 | subl(18) = kll; subr(18) = klr; |
| 468 | subl(19) = krl; subr(19) = krr; |
| 469 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
| 470 | subl(22) = kll; subr(22) = klr; |
| 471 | subl(23) = krl; subr(23) = krr; |
| 472 | |
| 473 | /* generate KA */ |
| 474 | kll = subl(0); klr = subr(0); |
| 475 | krl = subl(1); krr = subr(1); |
| 476 | CAMELLIA_F(kll, klr, CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R, |
| 477 | w0, w1, il, ir, t0, t1); |
| 478 | krl ^= w0; krr ^= w1; |
| 479 | CAMELLIA_F(krl, krr, CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R, |
| 480 | kll, klr, il, ir, t0, t1); |
| 481 | CAMELLIA_F(kll, klr, CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R, |
| 482 | krl, krr, il, ir, t0, t1); |
| 483 | krl ^= w0; krr ^= w1; |
| 484 | CAMELLIA_F(krl, krr, CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R, |
| 485 | w0, w1, il, ir, t0, t1); |
| 486 | kll ^= w0; klr ^= w1; |
| 487 | |
| 488 | /* generate KA dependent subkeys */ |
| 489 | subl(2) = kll; subr(2) = klr; |
| 490 | subl(3) = krl; subr(3) = krr; |
| 491 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| 492 | subl(6) = kll; subr(6) = klr; |
| 493 | subl(7) = krl; subr(7) = krr; |
| 494 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| 495 | subl(8) = kll; subr(8) = klr; |
| 496 | subl(9) = krl; subr(9) = krr; |
| 497 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| 498 | subl(12) = kll; subr(12) = klr; |
| 499 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| 500 | subl(14) = kll; subr(14) = klr; |
| 501 | subl(15) = krl; subr(15) = krr; |
| 502 | CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34); |
| 503 | subl(20) = kll; subr(20) = klr; |
| 504 | subl(21) = krl; subr(21) = krr; |
| 505 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
| 506 | subl(24) = kll; subr(24) = klr; |
| 507 | subl(25) = krl; subr(25) = krr; |
| 508 | |
| 509 | |
| 510 | /* absorb kw2 to other subkeys */ |
| 511 | subl(3) ^= subl(1); subr(3) ^= subr(1); |
| 512 | subl(5) ^= subl(1); subr(5) ^= subr(1); |
| 513 | subl(7) ^= subl(1); subr(7) ^= subr(1); |
| 514 | subl(1) ^= subr(1) & ~subr(9); |
| 515 | dw = subl(1) & subl(9), subr(1) ^= CAMELLIA_RL1(dw); |
| 516 | subl(11) ^= subl(1); subr(11) ^= subr(1); |
| 517 | subl(13) ^= subl(1); subr(13) ^= subr(1); |
| 518 | subl(15) ^= subl(1); subr(15) ^= subr(1); |
| 519 | subl(1) ^= subr(1) & ~subr(17); |
| 520 | dw = subl(1) & subl(17), subr(1) ^= CAMELLIA_RL1(dw); |
| 521 | subl(19) ^= subl(1); subr(19) ^= subr(1); |
| 522 | subl(21) ^= subl(1); subr(21) ^= subr(1); |
| 523 | subl(23) ^= subl(1); subr(23) ^= subr(1); |
| 524 | subl(24) ^= subl(1); subr(24) ^= subr(1); |
| 525 | |
| 526 | /* absorb kw4 to other subkeys */ |
| 527 | kw4l = subl(25); kw4r = subr(25); |
| 528 | subl(22) ^= kw4l; subr(22) ^= kw4r; |
| 529 | subl(20) ^= kw4l; subr(20) ^= kw4r; |
| 530 | subl(18) ^= kw4l; subr(18) ^= kw4r; |
| 531 | kw4l ^= kw4r & ~subr(16); |
| 532 | dw = kw4l & subl(16), kw4r ^= CAMELLIA_RL1(dw); |
| 533 | subl(14) ^= kw4l; subr(14) ^= kw4r; |
| 534 | subl(12) ^= kw4l; subr(12) ^= kw4r; |
| 535 | subl(10) ^= kw4l; subr(10) ^= kw4r; |
| 536 | kw4l ^= kw4r & ~subr(8); |
| 537 | dw = kw4l & subl(8), kw4r ^= CAMELLIA_RL1(dw); |
| 538 | subl(6) ^= kw4l; subr(6) ^= kw4r; |
| 539 | subl(4) ^= kw4l; subr(4) ^= kw4r; |
| 540 | subl(2) ^= kw4l; subr(2) ^= kw4r; |
| 541 | subl(0) ^= kw4l; subr(0) ^= kw4r; |
| 542 | |
| 543 | /* key XOR is end of F-function */ |
| 544 | SUBL(0) = subl(0) ^ subl(2); |
| 545 | SUBR(0) = subr(0) ^ subr(2); |
| 546 | SUBL(2) = subl(3); |
| 547 | SUBR(2) = subr(3); |
| 548 | SUBL(3) = subl(2) ^ subl(4); |
| 549 | SUBR(3) = subr(2) ^ subr(4); |
| 550 | SUBL(4) = subl(3) ^ subl(5); |
| 551 | SUBR(4) = subr(3) ^ subr(5); |
| 552 | SUBL(5) = subl(4) ^ subl(6); |
| 553 | SUBR(5) = subr(4) ^ subr(6); |
| 554 | SUBL(6) = subl(5) ^ subl(7); |
| 555 | SUBR(6) = subr(5) ^ subr(7); |
| 556 | tl = subl(10) ^ (subr(10) & ~subr(8)); |
| 557 | dw = tl & subl(8), tr = subr(10) ^ CAMELLIA_RL1(dw); |
| 558 | SUBL(7) = subl(6) ^ tl; |
| 559 | SUBR(7) = subr(6) ^ tr; |
| 560 | SUBL(8) = subl(8); |
| 561 | SUBR(8) = subr(8); |
| 562 | SUBL(9) = subl(9); |
| 563 | SUBR(9) = subr(9); |
| 564 | tl = subl(7) ^ (subr(7) & ~subr(9)); |
| 565 | dw = tl & subl(9), tr = subr(7) ^ CAMELLIA_RL1(dw); |
| 566 | SUBL(10) = tl ^ subl(11); |
| 567 | SUBR(10) = tr ^ subr(11); |
| 568 | SUBL(11) = subl(10) ^ subl(12); |
| 569 | SUBR(11) = subr(10) ^ subr(12); |
| 570 | SUBL(12) = subl(11) ^ subl(13); |
| 571 | SUBR(12) = subr(11) ^ subr(13); |
| 572 | SUBL(13) = subl(12) ^ subl(14); |
| 573 | SUBR(13) = subr(12) ^ subr(14); |
| 574 | SUBL(14) = subl(13) ^ subl(15); |
| 575 | SUBR(14) = subr(13) ^ subr(15); |
| 576 | tl = subl(18) ^ (subr(18) & ~subr(16)); |
| 577 | dw = tl & subl(16), tr = subr(18) ^ CAMELLIA_RL1(dw); |
| 578 | SUBL(15) = subl(14) ^ tl; |
| 579 | SUBR(15) = subr(14) ^ tr; |
| 580 | SUBL(16) = subl(16); |
| 581 | SUBR(16) = subr(16); |
| 582 | SUBL(17) = subl(17); |
| 583 | SUBR(17) = subr(17); |
| 584 | tl = subl(15) ^ (subr(15) & ~subr(17)); |
| 585 | dw = tl & subl(17), tr = subr(15) ^ CAMELLIA_RL1(dw); |
| 586 | SUBL(18) = tl ^ subl(19); |
| 587 | SUBR(18) = tr ^ subr(19); |
| 588 | SUBL(19) = subl(18) ^ subl(20); |
| 589 | SUBR(19) = subr(18) ^ subr(20); |
| 590 | SUBL(20) = subl(19) ^ subl(21); |
| 591 | SUBR(20) = subr(19) ^ subr(21); |
| 592 | SUBL(21) = subl(20) ^ subl(22); |
| 593 | SUBR(21) = subr(20) ^ subr(22); |
| 594 | SUBL(22) = subl(21) ^ subl(23); |
| 595 | SUBR(22) = subr(21) ^ subr(23); |
| 596 | SUBL(23) = subl(22); |
| 597 | SUBR(23) = subr(22); |
| 598 | SUBL(24) = subl(24) ^ subl(23); |
| 599 | SUBR(24) = subr(24) ^ subr(23); |
| 600 | |
| 601 | /* apply the inverse of the last half of P-function */ |
| 602 | dw = SUBL(2) ^ SUBR(2), dw = CAMELLIA_RL8(dw); |
| 603 | SUBR(2) = SUBL(2) ^ dw, SUBL(2) = dw; |
| 604 | dw = SUBL(3) ^ SUBR(3), dw = CAMELLIA_RL8(dw); |
| 605 | SUBR(3) = SUBL(3) ^ dw, SUBL(3) = dw; |
| 606 | dw = SUBL(4) ^ SUBR(4), dw = CAMELLIA_RL8(dw); |
| 607 | SUBR(4) = SUBL(4) ^ dw, SUBL(4) = dw; |
| 608 | dw = SUBL(5) ^ SUBR(5), dw = CAMELLIA_RL8(dw); |
| 609 | SUBR(5) = SUBL(5) ^ dw, SUBL(5) = dw; |
| 610 | dw = SUBL(6) ^ SUBR(6), dw = CAMELLIA_RL8(dw); |
| 611 | SUBR(6) = SUBL(6) ^ dw, SUBL(6) = dw; |
| 612 | dw = SUBL(7) ^ SUBR(7), dw = CAMELLIA_RL8(dw); |
| 613 | SUBR(7) = SUBL(7) ^ dw, SUBL(7) = dw; |
| 614 | dw = SUBL(10) ^ SUBR(10), dw = CAMELLIA_RL8(dw); |
| 615 | SUBR(10) = SUBL(10) ^ dw, SUBL(10) = dw; |
| 616 | dw = SUBL(11) ^ SUBR(11), dw = CAMELLIA_RL8(dw); |
| 617 | SUBR(11) = SUBL(11) ^ dw, SUBL(11) = dw; |
| 618 | dw = SUBL(12) ^ SUBR(12), dw = CAMELLIA_RL8(dw); |
| 619 | SUBR(12) = SUBL(12) ^ dw, SUBL(12) = dw; |
| 620 | dw = SUBL(13) ^ SUBR(13), dw = CAMELLIA_RL8(dw); |
| 621 | SUBR(13) = SUBL(13) ^ dw, SUBL(13) = dw; |
| 622 | dw = SUBL(14) ^ SUBR(14), dw = CAMELLIA_RL8(dw); |
| 623 | SUBR(14) = SUBL(14) ^ dw, SUBL(14) = dw; |
| 624 | dw = SUBL(15) ^ SUBR(15), dw = CAMELLIA_RL8(dw); |
| 625 | SUBR(15) = SUBL(15) ^ dw, SUBL(15) = dw; |
| 626 | dw = SUBL(18) ^ SUBR(18), dw = CAMELLIA_RL8(dw); |
| 627 | SUBR(18) = SUBL(18) ^ dw, SUBL(18) = dw; |
| 628 | dw = SUBL(19) ^ SUBR(19), dw = CAMELLIA_RL8(dw); |
| 629 | SUBR(19) = SUBL(19) ^ dw, SUBL(19) = dw; |
| 630 | dw = SUBL(20) ^ SUBR(20), dw = CAMELLIA_RL8(dw); |
| 631 | SUBR(20) = SUBL(20) ^ dw, SUBL(20) = dw; |
| 632 | dw = SUBL(21) ^ SUBR(21), dw = CAMELLIA_RL8(dw); |
| 633 | SUBR(21) = SUBL(21) ^ dw, SUBL(21) = dw; |
| 634 | dw = SUBL(22) ^ SUBR(22), dw = CAMELLIA_RL8(dw); |
| 635 | SUBR(22) = SUBL(22) ^ dw, SUBL(22) = dw; |
| 636 | dw = SUBL(23) ^ SUBR(23), dw = CAMELLIA_RL8(dw); |
| 637 | SUBR(23) = SUBL(23) ^ dw, SUBL(23) = dw; |
| 638 | } |
| 639 | |
| 640 | void |
| 641 | camellia_setup256(const unsigned char *key, uint32_t *subkey) |
| 642 | { |
| 643 | uint32_t kll,klr,krl,krr; /* left half of key */ |
| 644 | uint32_t krll,krlr,krrl,krrr; /* right half of key */ |
| 645 | uint32_t il, ir, t0, t1, w0, w1; /* temporary variables */ |
| 646 | uint32_t kw4l, kw4r, dw, tl, tr; |
| 647 | uint32_t subL[34]; |
| 648 | uint32_t subR[34]; |
| 649 | |
| 650 | /* |
| 651 | * key = (kll || klr || krl || krr || krll || krlr || krrl || krrr) |
| 652 | * (|| is concatination) |
| 653 | */ |
| 654 | |
| 655 | kll = GETU32(key ); |
| 656 | klr = GETU32(key + 4); |
| 657 | krl = GETU32(key + 8); |
| 658 | krr = GETU32(key + 12); |
| 659 | krll = GETU32(key + 16); |
| 660 | krlr = GETU32(key + 20); |
| 661 | krrl = GETU32(key + 24); |
| 662 | krrr = GETU32(key + 28); |
| 663 | |
| 664 | /* generate KL dependent subkeys */ |
| 665 | subl(0) = kll; subr(0) = klr; |
| 666 | subl(1) = krl; subr(1) = krr; |
| 667 | CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 45); |
| 668 | subl(12) = kll; subr(12) = klr; |
| 669 | subl(13) = krl; subr(13) = krr; |
| 670 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| 671 | subl(16) = kll; subr(16) = klr; |
| 672 | subl(17) = krl; subr(17) = krr; |
| 673 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
| 674 | subl(22) = kll; subr(22) = klr; |
| 675 | subl(23) = krl; subr(23) = krr; |
| 676 | CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34); |
| 677 | subl(30) = kll; subr(30) = klr; |
| 678 | subl(31) = krl; subr(31) = krr; |
| 679 | |
| 680 | /* generate KR dependent subkeys */ |
| 681 | CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); |
| 682 | subl(4) = krll; subr(4) = krlr; |
| 683 | subl(5) = krrl; subr(5) = krrr; |
| 684 | CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); |
| 685 | subl(8) = krll; subr(8) = krlr; |
| 686 | subl(9) = krrl; subr(9) = krrr; |
| 687 | CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
| 688 | subl(18) = krll; subr(18) = krlr; |
| 689 | subl(19) = krrl; subr(19) = krrr; |
| 690 | CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); |
| 691 | subl(26) = krll; subr(26) = krlr; |
| 692 | subl(27) = krrl; subr(27) = krrr; |
| 693 | CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); |
| 694 | |
| 695 | /* generate KA */ |
| 696 | kll = subl(0) ^ krll; klr = subr(0) ^ krlr; |
| 697 | krl = subl(1) ^ krrl; krr = subr(1) ^ krrr; |
| 698 | CAMELLIA_F(kll, klr, CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R, |
| 699 | w0, w1, il, ir, t0, t1); |
| 700 | krl ^= w0; krr ^= w1; |
| 701 | CAMELLIA_F(krl, krr, CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R, |
| 702 | kll, klr, il, ir, t0, t1); |
| 703 | kll ^= krll; klr ^= krlr; |
| 704 | CAMELLIA_F(kll, klr, CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R, |
| 705 | krl, krr, il, ir, t0, t1); |
| 706 | krl ^= w0 ^ krrl; krr ^= w1 ^ krrr; |
| 707 | CAMELLIA_F(krl, krr, CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R, |
| 708 | w0, w1, il, ir, t0, t1); |
| 709 | kll ^= w0; klr ^= w1; |
| 710 | |
| 711 | /* generate KB */ |
| 712 | krll ^= kll; krlr ^= klr; |
| 713 | krrl ^= krl; krrr ^= krr; |
| 714 | CAMELLIA_F(krll, krlr, CAMELLIA_SIGMA5L, CAMELLIA_SIGMA5R, |
| 715 | w0, w1, il, ir, t0, t1); |
| 716 | krrl ^= w0; krrr ^= w1; |
| 717 | CAMELLIA_F(krrl, krrr, CAMELLIA_SIGMA6L, CAMELLIA_SIGMA6R, |
| 718 | w0, w1, il, ir, t0, t1); |
| 719 | krll ^= w0; krlr ^= w1; |
| 720 | |
| 721 | /* generate KA dependent subkeys */ |
| 722 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| 723 | subl(6) = kll; subr(6) = klr; |
| 724 | subl(7) = krl; subr(7) = krr; |
| 725 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30); |
| 726 | subl(14) = kll; subr(14) = klr; |
| 727 | subl(15) = krl; subr(15) = krr; |
| 728 | subl(24) = klr; subr(24) = krl; |
| 729 | subl(25) = krr; subr(25) = kll; |
| 730 | CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 49); |
| 731 | subl(28) = kll; subr(28) = klr; |
| 732 | subl(29) = krl; subr(29) = krr; |
| 733 | |
| 734 | /* generate KB dependent subkeys */ |
| 735 | subl(2) = krll; subr(2) = krlr; |
| 736 | subl(3) = krrl; subr(3) = krrr; |
| 737 | CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
| 738 | subl(10) = krll; subr(10) = krlr; |
| 739 | subl(11) = krrl; subr(11) = krrr; |
| 740 | CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
| 741 | subl(20) = krll; subr(20) = krlr; |
| 742 | subl(21) = krrl; subr(21) = krrr; |
| 743 | CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 51); |
| 744 | subl(32) = krll; subr(32) = krlr; |
| 745 | subl(33) = krrl; subr(33) = krrr; |
| 746 | |
| 747 | /* absorb kw2 to other subkeys */ |
| 748 | subl(3) ^= subl(1); subr(3) ^= subr(1); |
| 749 | subl(5) ^= subl(1); subr(5) ^= subr(1); |
| 750 | subl(7) ^= subl(1); subr(7) ^= subr(1); |
| 751 | subl(1) ^= subr(1) & ~subr(9); |
| 752 | dw = subl(1) & subl(9), subr(1) ^= CAMELLIA_RL1(dw); |
| 753 | subl(11) ^= subl(1); subr(11) ^= subr(1); |
| 754 | subl(13) ^= subl(1); subr(13) ^= subr(1); |
| 755 | subl(15) ^= subl(1); subr(15) ^= subr(1); |
| 756 | subl(1) ^= subr(1) & ~subr(17); |
| 757 | dw = subl(1) & subl(17), subr(1) ^= CAMELLIA_RL1(dw); |
| 758 | subl(19) ^= subl(1); subr(19) ^= subr(1); |
| 759 | subl(21) ^= subl(1); subr(21) ^= subr(1); |
| 760 | subl(23) ^= subl(1); subr(23) ^= subr(1); |
| 761 | subl(1) ^= subr(1) & ~subr(25); |
| 762 | dw = subl(1) & subl(25), subr(1) ^= CAMELLIA_RL1(dw); |
| 763 | subl(27) ^= subl(1); subr(27) ^= subr(1); |
| 764 | subl(29) ^= subl(1); subr(29) ^= subr(1); |
| 765 | subl(31) ^= subl(1); subr(31) ^= subr(1); |
| 766 | subl(32) ^= subl(1); subr(32) ^= subr(1); |
| 767 | |
| 768 | |
| 769 | /* absorb kw4 to other subkeys */ |
| 770 | kw4l = subl(33); kw4r = subr(33); |
| 771 | subl(30) ^= kw4l; subr(30) ^= kw4r; |
| 772 | subl(28) ^= kw4l; subr(28) ^= kw4r; |
| 773 | subl(26) ^= kw4l; subr(26) ^= kw4r; |
| 774 | kw4l ^= kw4r & ~subr(24); |
| 775 | dw = kw4l & subl(24), kw4r ^= CAMELLIA_RL1(dw); |
| 776 | subl(22) ^= kw4l; subr(22) ^= kw4r; |
| 777 | subl(20) ^= kw4l; subr(20) ^= kw4r; |
| 778 | subl(18) ^= kw4l; subr(18) ^= kw4r; |
| 779 | kw4l ^= kw4r & ~subr(16); |
| 780 | dw = kw4l & subl(16), kw4r ^= CAMELLIA_RL1(dw); |
| 781 | subl(14) ^= kw4l; subr(14) ^= kw4r; |
| 782 | subl(12) ^= kw4l; subr(12) ^= kw4r; |
| 783 | subl(10) ^= kw4l; subr(10) ^= kw4r; |
| 784 | kw4l ^= kw4r & ~subr(8); |
| 785 | dw = kw4l & subl(8), kw4r ^= CAMELLIA_RL1(dw); |
| 786 | subl(6) ^= kw4l; subr(6) ^= kw4r; |
| 787 | subl(4) ^= kw4l; subr(4) ^= kw4r; |
| 788 | subl(2) ^= kw4l; subr(2) ^= kw4r; |
| 789 | subl(0) ^= kw4l; subr(0) ^= kw4r; |
| 790 | |
| 791 | /* key XOR is end of F-function */ |
| 792 | SUBL(0) = subl(0) ^ subl(2); |
| 793 | SUBR(0) = subr(0) ^ subr(2); |
| 794 | SUBL(2) = subl(3); |
| 795 | SUBR(2) = subr(3); |
| 796 | SUBL(3) = subl(2) ^ subl(4); |
| 797 | SUBR(3) = subr(2) ^ subr(4); |
| 798 | SUBL(4) = subl(3) ^ subl(5); |
| 799 | SUBR(4) = subr(3) ^ subr(5); |
| 800 | SUBL(5) = subl(4) ^ subl(6); |
| 801 | SUBR(5) = subr(4) ^ subr(6); |
| 802 | SUBL(6) = subl(5) ^ subl(7); |
| 803 | SUBR(6) = subr(5) ^ subr(7); |
| 804 | tl = subl(10) ^ (subr(10) & ~subr(8)); |
| 805 | dw = tl & subl(8), tr = subr(10) ^ CAMELLIA_RL1(dw); |
| 806 | SUBL(7) = subl(6) ^ tl; |
| 807 | SUBR(7) = subr(6) ^ tr; |
| 808 | SUBL(8) = subl(8); |
| 809 | SUBR(8) = subr(8); |
| 810 | SUBL(9) = subl(9); |
| 811 | SUBR(9) = subr(9); |
| 812 | tl = subl(7) ^ (subr(7) & ~subr(9)); |
| 813 | dw = tl & subl(9), tr = subr(7) ^ CAMELLIA_RL1(dw); |
| 814 | SUBL(10) = tl ^ subl(11); |
| 815 | SUBR(10) = tr ^ subr(11); |
| 816 | SUBL(11) = subl(10) ^ subl(12); |
| 817 | SUBR(11) = subr(10) ^ subr(12); |
| 818 | SUBL(12) = subl(11) ^ subl(13); |
| 819 | SUBR(12) = subr(11) ^ subr(13); |
| 820 | SUBL(13) = subl(12) ^ subl(14); |
| 821 | SUBR(13) = subr(12) ^ subr(14); |
| 822 | SUBL(14) = subl(13) ^ subl(15); |
| 823 | SUBR(14) = subr(13) ^ subr(15); |
| 824 | tl = subl(18) ^ (subr(18) & ~subr(16)); |
| 825 | dw = tl & subl(16), tr = subr(18) ^ CAMELLIA_RL1(dw); |
| 826 | SUBL(15) = subl(14) ^ tl; |
| 827 | SUBR(15) = subr(14) ^ tr; |
| 828 | SUBL(16) = subl(16); |
| 829 | SUBR(16) = subr(16); |
| 830 | SUBL(17) = subl(17); |
| 831 | SUBR(17) = subr(17); |
| 832 | tl = subl(15) ^ (subr(15) & ~subr(17)); |
| 833 | dw = tl & subl(17), tr = subr(15) ^ CAMELLIA_RL1(dw); |
| 834 | SUBL(18) = tl ^ subl(19); |
| 835 | SUBR(18) = tr ^ subr(19); |
| 836 | SUBL(19) = subl(18) ^ subl(20); |
| 837 | SUBR(19) = subr(18) ^ subr(20); |
| 838 | SUBL(20) = subl(19) ^ subl(21); |
| 839 | SUBR(20) = subr(19) ^ subr(21); |
| 840 | SUBL(21) = subl(20) ^ subl(22); |
| 841 | SUBR(21) = subr(20) ^ subr(22); |
| 842 | SUBL(22) = subl(21) ^ subl(23); |
| 843 | SUBR(22) = subr(21) ^ subr(23); |
| 844 | tl = subl(26) ^ (subr(26) & ~subr(24)); |
| 845 | dw = tl & subl(24), tr = subr(26) ^ CAMELLIA_RL1(dw); |
| 846 | SUBL(23) = subl(22) ^ tl; |
| 847 | SUBR(23) = subr(22) ^ tr; |
| 848 | SUBL(24) = subl(24); |
| 849 | SUBR(24) = subr(24); |
| 850 | SUBL(25) = subl(25); |
| 851 | SUBR(25) = subr(25); |
| 852 | tl = subl(23) ^ (subr(23) & ~subr(25)); |
| 853 | dw = tl & subl(25), tr = subr(23) ^ CAMELLIA_RL1(dw); |
| 854 | SUBL(26) = tl ^ subl(27); |
| 855 | SUBR(26) = tr ^ subr(27); |
| 856 | SUBL(27) = subl(26) ^ subl(28); |
| 857 | SUBR(27) = subr(26) ^ subr(28); |
| 858 | SUBL(28) = subl(27) ^ subl(29); |
| 859 | SUBR(28) = subr(27) ^ subr(29); |
| 860 | SUBL(29) = subl(28) ^ subl(30); |
| 861 | SUBR(29) = subr(28) ^ subr(30); |
| 862 | SUBL(30) = subl(29) ^ subl(31); |
| 863 | SUBR(30) = subr(29) ^ subr(31); |
| 864 | SUBL(31) = subl(30); |
| 865 | SUBR(31) = subr(30); |
| 866 | SUBL(32) = subl(32) ^ subl(31); |
| 867 | SUBR(32) = subr(32) ^ subr(31); |
| 868 | |
| 869 | /* apply the inverse of the last half of P-function */ |
| 870 | dw = SUBL(2) ^ SUBR(2), dw = CAMELLIA_RL8(dw); |
| 871 | SUBR(2) = SUBL(2) ^ dw, SUBL(2) = dw; |
| 872 | dw = SUBL(3) ^ SUBR(3), dw = CAMELLIA_RL8(dw); |
| 873 | SUBR(3) = SUBL(3) ^ dw, SUBL(3) = dw; |
| 874 | dw = SUBL(4) ^ SUBR(4), dw = CAMELLIA_RL8(dw); |
| 875 | SUBR(4) = SUBL(4) ^ dw, SUBL(4) = dw; |
| 876 | dw = SUBL(5) ^ SUBR(5), dw = CAMELLIA_RL8(dw); |
| 877 | SUBR(5) = SUBL(5) ^ dw, SUBL(5) = dw; |
| 878 | dw = SUBL(6) ^ SUBR(6), dw = CAMELLIA_RL8(dw); |
| 879 | SUBR(6) = SUBL(6) ^ dw, SUBL(6) = dw; |
| 880 | dw = SUBL(7) ^ SUBR(7), dw = CAMELLIA_RL8(dw); |
| 881 | SUBR(7) = SUBL(7) ^ dw, SUBL(7) = dw; |
| 882 | dw = SUBL(10) ^ SUBR(10), dw = CAMELLIA_RL8(dw); |
| 883 | SUBR(10) = SUBL(10) ^ dw, SUBL(10) = dw; |
| 884 | dw = SUBL(11) ^ SUBR(11), dw = CAMELLIA_RL8(dw); |
| 885 | SUBR(11) = SUBL(11) ^ dw, SUBL(11) = dw; |
| 886 | dw = SUBL(12) ^ SUBR(12), dw = CAMELLIA_RL8(dw); |
| 887 | SUBR(12) = SUBL(12) ^ dw, SUBL(12) = dw; |
| 888 | dw = SUBL(13) ^ SUBR(13), dw = CAMELLIA_RL8(dw); |
| 889 | SUBR(13) = SUBL(13) ^ dw, SUBL(13) = dw; |
| 890 | dw = SUBL(14) ^ SUBR(14), dw = CAMELLIA_RL8(dw); |
| 891 | SUBR(14) = SUBL(14) ^ dw, SUBL(14) = dw; |
| 892 | dw = SUBL(15) ^ SUBR(15), dw = CAMELLIA_RL8(dw); |
| 893 | SUBR(15) = SUBL(15) ^ dw, SUBL(15) = dw; |
| 894 | dw = SUBL(18) ^ SUBR(18), dw = CAMELLIA_RL8(dw); |
| 895 | SUBR(18) = SUBL(18) ^ dw, SUBL(18) = dw; |
| 896 | dw = SUBL(19) ^ SUBR(19), dw = CAMELLIA_RL8(dw); |
| 897 | SUBR(19) = SUBL(19) ^ dw, SUBL(19) = dw; |
| 898 | dw = SUBL(20) ^ SUBR(20), dw = CAMELLIA_RL8(dw); |
| 899 | SUBR(20) = SUBL(20) ^ dw, SUBL(20) = dw; |
| 900 | dw = SUBL(21) ^ SUBR(21), dw = CAMELLIA_RL8(dw); |
| 901 | SUBR(21) = SUBL(21) ^ dw, SUBL(21) = dw; |
| 902 | dw = SUBL(22) ^ SUBR(22), dw = CAMELLIA_RL8(dw); |
| 903 | SUBR(22) = SUBL(22) ^ dw, SUBL(22) = dw; |
| 904 | dw = SUBL(23) ^ SUBR(23), dw = CAMELLIA_RL8(dw); |
| 905 | SUBR(23) = SUBL(23) ^ dw, SUBL(23) = dw; |
| 906 | dw = SUBL(26) ^ SUBR(26), dw = CAMELLIA_RL8(dw); |
| 907 | SUBR(26) = SUBL(26) ^ dw, SUBL(26) = dw; |
| 908 | dw = SUBL(27) ^ SUBR(27), dw = CAMELLIA_RL8(dw); |
| 909 | SUBR(27) = SUBL(27) ^ dw, SUBL(27) = dw; |
| 910 | dw = SUBL(28) ^ SUBR(28), dw = CAMELLIA_RL8(dw); |
| 911 | SUBR(28) = SUBL(28) ^ dw, SUBL(28) = dw; |
| 912 | dw = SUBL(29) ^ SUBR(29), dw = CAMELLIA_RL8(dw); |
| 913 | SUBR(29) = SUBL(29) ^ dw, SUBL(29) = dw; |
| 914 | dw = SUBL(30) ^ SUBR(30), dw = CAMELLIA_RL8(dw); |
| 915 | SUBR(30) = SUBL(30) ^ dw, SUBL(30) = dw; |
| 916 | dw = SUBL(31) ^ SUBR(31), dw = CAMELLIA_RL8(dw); |
| 917 | SUBR(31) = SUBL(31) ^ dw, SUBL(31) = dw; |
| 918 | } |
| 919 | |
| 920 | void |
| 921 | camellia_setup192(const unsigned char *key, uint32_t *subkey) |
| 922 | { |
| 923 | unsigned char kk[32]; |
| 924 | uint32_t krll, krlr, krrl,krrr; |
| 925 | |
| 926 | memcpy(kk, key, 24); |
| 927 | memcpy((unsigned char *)&krll, key+16,4); |
| 928 | memcpy((unsigned char *)&krlr, key+20,4); |
| 929 | krrl = ~krll; |
| 930 | krrr = ~krlr; |
| 931 | memcpy(kk+24, (unsigned char *)&krrl, 4); |
| 932 | memcpy(kk+28, (unsigned char *)&krrr, 4); |
| 933 | camellia_setup256(kk, subkey); |
| 934 | } |
| 935 | |
| 936 | |
| 937 | /** |
| 938 | * Stuff related to camellia encryption/decryption |
| 939 | */ |
| 940 | void |
| 941 | camellia_encrypt128(const uint32_t *subkey, uint32_t *io) |
| 942 | { |
| 943 | uint32_t il, ir, t0, t1; |
| 944 | |
| 945 | /* pre whitening but absorb kw2*/ |
| 946 | io[0] ^= SUBL(0); |
| 947 | io[1] ^= SUBR(0); |
| 948 | /* main iteration */ |
| 949 | |
| 950 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(2),SUBR(2), |
| 951 | io[2],io[3],il,ir,t0,t1); |
| 952 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(3),SUBR(3), |
| 953 | io[0],io[1],il,ir,t0,t1); |
| 954 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(4),SUBR(4), |
| 955 | io[2],io[3],il,ir,t0,t1); |
| 956 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(5),SUBR(5), |
| 957 | io[0],io[1],il,ir,t0,t1); |
| 958 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(6),SUBR(6), |
| 959 | io[2],io[3],il,ir,t0,t1); |
| 960 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(7),SUBR(7), |
| 961 | io[0],io[1],il,ir,t0,t1); |
| 962 | |
| 963 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], SUBL(8),SUBR(8), SUBL(9),SUBR(9), |
| 964 | t0,t1,il,ir); |
| 965 | |
| 966 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(10),SUBR(10), |
| 967 | io[2],io[3],il,ir,t0,t1); |
| 968 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(11),SUBR(11), |
| 969 | io[0],io[1],il,ir,t0,t1); |
| 970 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(12),SUBR(12), |
| 971 | io[2],io[3],il,ir,t0,t1); |
| 972 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(13),SUBR(13), |
| 973 | io[0],io[1],il,ir,t0,t1); |
| 974 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(14),SUBR(14), |
| 975 | io[2],io[3],il,ir,t0,t1); |
| 976 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(15),SUBR(15), |
| 977 | io[0],io[1],il,ir,t0,t1); |
| 978 | |
| 979 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], SUBL(16), SUBR(16), SUBL(17),SUBR(17), |
| 980 | t0,t1,il,ir); |
| 981 | |
| 982 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(18),SUBR(18), |
| 983 | io[2],io[3],il,ir,t0,t1); |
| 984 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(19),SUBR(19), |
| 985 | io[0],io[1],il,ir,t0,t1); |
| 986 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(20),SUBR(20), |
| 987 | io[2],io[3],il,ir,t0,t1); |
| 988 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(21),SUBR(21), |
| 989 | io[0],io[1],il,ir,t0,t1); |
| 990 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(22),SUBR(22), |
| 991 | io[2],io[3],il,ir,t0,t1); |
| 992 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(23),SUBR(23), |
| 993 | io[0],io[1],il,ir,t0,t1); |
| 994 | |
| 995 | /* post whitening but kw4 */ |
| 996 | io[2] ^= SUBL(24); |
| 997 | io[3] ^= SUBR(24); |
| 998 | |
| 999 | t0 = io[0]; |
| 1000 | t1 = io[1]; |
| 1001 | io[0] = io[2]; |
| 1002 | io[1] = io[3]; |
| 1003 | io[2] = t0; |
| 1004 | io[3] = t1; |
| 1005 | } |
| 1006 | |
| 1007 | void |
| 1008 | camellia_decrypt128(const uint32_t *subkey, uint32_t *io) |
| 1009 | { |
| 1010 | uint32_t il,ir,t0,t1; /* temporary valiables */ |
| 1011 | |
| 1012 | /* pre whitening but absorb kw2*/ |
| 1013 | io[0] ^= SUBL(24); |
| 1014 | io[1] ^= SUBR(24); |
| 1015 | |
| 1016 | /* main iteration */ |
| 1017 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(23),SUBR(23), |
| 1018 | io[2],io[3],il,ir,t0,t1); |
| 1019 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(22),SUBR(22), |
| 1020 | io[0],io[1],il,ir,t0,t1); |
| 1021 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(21),SUBR(21), |
| 1022 | io[2],io[3],il,ir,t0,t1); |
| 1023 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(20),SUBR(20), |
| 1024 | io[0],io[1],il,ir,t0,t1); |
| 1025 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(19),SUBR(19), |
| 1026 | io[2],io[3],il,ir,t0,t1); |
| 1027 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(18),SUBR(18), |
| 1028 | io[0],io[1],il,ir,t0,t1); |
| 1029 | |
| 1030 | CAMELLIA_FLS(io[0],io[1],io[2],io[3],SUBL(17),SUBR(17),SUBL(16),SUBR(16), |
| 1031 | t0,t1,il,ir); |
| 1032 | |
| 1033 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(15),SUBR(15), |
| 1034 | io[2],io[3],il,ir,t0,t1); |
| 1035 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(14),SUBR(14), |
| 1036 | io[0],io[1],il,ir,t0,t1); |
| 1037 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(13),SUBR(13), |
| 1038 | io[2],io[3],il,ir,t0,t1); |
| 1039 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(12),SUBR(12), |
| 1040 | io[0],io[1],il,ir,t0,t1); |
| 1041 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(11),SUBR(11), |
| 1042 | io[2],io[3],il,ir,t0,t1); |
| 1043 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(10),SUBR(10), |
| 1044 | io[0],io[1],il,ir,t0,t1); |
| 1045 | |
| 1046 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], SUBL(9),SUBR(9), SUBL(8),SUBR(8), |
| 1047 | t0,t1,il,ir); |
| 1048 | |
| 1049 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(7),SUBR(7), |
| 1050 | io[2],io[3],il,ir,t0,t1); |
| 1051 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(6),SUBR(6), |
| 1052 | io[0],io[1],il,ir,t0,t1); |
| 1053 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(5),SUBR(5), |
| 1054 | io[2],io[3],il,ir,t0,t1); |
| 1055 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(4),SUBR(4), |
| 1056 | io[0],io[1],il,ir,t0,t1); |
| 1057 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(3),SUBR(3), |
| 1058 | io[2],io[3],il,ir,t0,t1); |
| 1059 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(2),SUBR(2), |
| 1060 | io[0],io[1],il,ir,t0,t1); |
| 1061 | |
| 1062 | /* post whitening but kw4 */ |
| 1063 | io[2] ^= SUBL(0); |
| 1064 | io[3] ^= SUBR(0); |
| 1065 | |
| 1066 | t0 = io[0]; |
| 1067 | t1 = io[1]; |
| 1068 | io[0] = io[2]; |
| 1069 | io[1] = io[3]; |
| 1070 | io[2] = t0; |
| 1071 | io[3] = t1; |
| 1072 | } |
| 1073 | |
| 1074 | /** |
| 1075 | * stuff for 192 and 256bit encryption/decryption |
| 1076 | */ |
| 1077 | void |
| 1078 | camellia_encrypt256(const uint32_t *subkey, uint32_t *io) |
| 1079 | { |
| 1080 | uint32_t il,ir,t0,t1; /* temporary valiables */ |
| 1081 | |
| 1082 | /* pre whitening but absorb kw2*/ |
| 1083 | io[0] ^= SUBL(0); |
| 1084 | io[1] ^= SUBR(0); |
| 1085 | |
| 1086 | /* main iteration */ |
| 1087 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(2),SUBR(2), |
| 1088 | io[2],io[3],il,ir,t0,t1); |
| 1089 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(3),SUBR(3), |
| 1090 | io[0],io[1],il,ir,t0,t1); |
| 1091 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(4),SUBR(4), |
| 1092 | io[2],io[3],il,ir,t0,t1); |
| 1093 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(5),SUBR(5), |
| 1094 | io[0],io[1],il,ir,t0,t1); |
| 1095 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(6),SUBR(6), |
| 1096 | io[2],io[3],il,ir,t0,t1); |
| 1097 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(7),SUBR(7), |
| 1098 | io[0],io[1],il,ir,t0,t1); |
| 1099 | |
| 1100 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], SUBL(8),SUBR(8), SUBL(9),SUBR(9), |
| 1101 | t0,t1,il,ir); |
| 1102 | |
| 1103 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(10),SUBR(10), |
| 1104 | io[2],io[3],il,ir,t0,t1); |
| 1105 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(11),SUBR(11), |
| 1106 | io[0],io[1],il,ir,t0,t1); |
| 1107 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(12),SUBR(12), |
| 1108 | io[2],io[3],il,ir,t0,t1); |
| 1109 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(13),SUBR(13), |
| 1110 | io[0],io[1],il,ir,t0,t1); |
| 1111 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(14),SUBR(14), |
| 1112 | io[2],io[3],il,ir,t0,t1); |
| 1113 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(15),SUBR(15), |
| 1114 | io[0],io[1],il,ir,t0,t1); |
| 1115 | |
| 1116 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], SUBL(16),SUBR(16), SUBL(17),SUBR(17), |
| 1117 | t0,t1,il,ir); |
| 1118 | |
| 1119 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(18),SUBR(18), |
| 1120 | io[2],io[3],il,ir,t0,t1); |
| 1121 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(19),SUBR(19), |
| 1122 | io[0],io[1],il,ir,t0,t1); |
| 1123 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(20),SUBR(20), |
| 1124 | io[2],io[3],il,ir,t0,t1); |
| 1125 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(21),SUBR(21), |
| 1126 | io[0],io[1],il,ir,t0,t1); |
| 1127 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(22),SUBR(22), |
| 1128 | io[2],io[3],il,ir,t0,t1); |
| 1129 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(23),SUBR(23), |
| 1130 | io[0],io[1],il,ir,t0,t1); |
| 1131 | |
| 1132 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], SUBL(24),SUBR(24), SUBL(25),SUBR(25), |
| 1133 | t0,t1,il,ir); |
| 1134 | |
| 1135 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(26),SUBR(26), |
| 1136 | io[2],io[3],il,ir,t0,t1); |
| 1137 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(27),SUBR(27), |
| 1138 | io[0],io[1],il,ir,t0,t1); |
| 1139 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(28),SUBR(28), |
| 1140 | io[2],io[3],il,ir,t0,t1); |
| 1141 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(29),SUBR(29), |
| 1142 | io[0],io[1],il,ir,t0,t1); |
| 1143 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(30),SUBR(30), |
| 1144 | io[2],io[3],il,ir,t0,t1); |
| 1145 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(31),SUBR(31), |
| 1146 | io[0],io[1],il,ir,t0,t1); |
| 1147 | |
| 1148 | /* post whitening but kw4 */ |
| 1149 | io[2] ^= SUBL(32); |
| 1150 | io[3] ^= SUBR(32); |
| 1151 | |
| 1152 | t0 = io[0]; |
| 1153 | t1 = io[1]; |
| 1154 | io[0] = io[2]; |
| 1155 | io[1] = io[3]; |
| 1156 | io[2] = t0; |
| 1157 | io[3] = t1; |
| 1158 | } |
| 1159 | |
| 1160 | void |
| 1161 | camellia_decrypt256(const uint32_t *subkey, uint32_t *io) |
| 1162 | { |
| 1163 | uint32_t il,ir,t0,t1; /* temporary valiables */ |
| 1164 | |
| 1165 | /* pre whitening but absorb kw2*/ |
| 1166 | io[0] ^= SUBL(32); |
| 1167 | io[1] ^= SUBR(32); |
| 1168 | |
| 1169 | /* main iteration */ |
| 1170 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(31),SUBR(31), |
| 1171 | io[2],io[3],il,ir,t0,t1); |
| 1172 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(30),SUBR(30), |
| 1173 | io[0],io[1],il,ir,t0,t1); |
| 1174 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(29),SUBR(29), |
| 1175 | io[2],io[3],il,ir,t0,t1); |
| 1176 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(28),SUBR(28), |
| 1177 | io[0],io[1],il,ir,t0,t1); |
| 1178 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(27),SUBR(27), |
| 1179 | io[2],io[3],il,ir,t0,t1); |
| 1180 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(26),SUBR(26), |
| 1181 | io[0],io[1],il,ir,t0,t1); |
| 1182 | |
| 1183 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], SUBL(25),SUBR(25), SUBL(24),SUBR(24), |
| 1184 | t0,t1,il,ir); |
| 1185 | |
| 1186 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(23),SUBR(23), |
| 1187 | io[2],io[3],il,ir,t0,t1); |
| 1188 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(22),SUBR(22), |
| 1189 | io[0],io[1],il,ir,t0,t1); |
| 1190 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(21),SUBR(21), |
| 1191 | io[2],io[3],il,ir,t0,t1); |
| 1192 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(20),SUBR(20), |
| 1193 | io[0],io[1],il,ir,t0,t1); |
| 1194 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(19),SUBR(19), |
| 1195 | io[2],io[3],il,ir,t0,t1); |
| 1196 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(18),SUBR(18), |
| 1197 | io[0],io[1],il,ir,t0,t1); |
| 1198 | |
| 1199 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], SUBL(17),SUBR(17), SUBL(16),SUBR(16), |
| 1200 | t0,t1,il,ir); |
| 1201 | |
| 1202 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(15),SUBR(15), |
| 1203 | io[2],io[3],il,ir,t0,t1); |
| 1204 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(14),SUBR(14), |
| 1205 | io[0],io[1],il,ir,t0,t1); |
| 1206 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(13),SUBR(13), |
| 1207 | io[2],io[3],il,ir,t0,t1); |
| 1208 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(12),SUBR(12), |
| 1209 | io[0],io[1],il,ir,t0,t1); |
| 1210 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(11),SUBR(11), |
| 1211 | io[2],io[3],il,ir,t0,t1); |
| 1212 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(10),SUBR(10), |
| 1213 | io[0],io[1],il,ir,t0,t1); |
| 1214 | |
| 1215 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], SUBL(9),SUBR(9), SUBL(8),SUBR(8), |
| 1216 | t0,t1,il,ir); |
| 1217 | |
| 1218 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(7),SUBR(7), |
| 1219 | io[2],io[3],il,ir,t0,t1); |
| 1220 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(6),SUBR(6), |
| 1221 | io[0],io[1],il,ir,t0,t1); |
| 1222 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(5),SUBR(5), |
| 1223 | io[2],io[3],il,ir,t0,t1); |
| 1224 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(4),SUBR(4), |
| 1225 | io[0],io[1],il,ir,t0,t1); |
| 1226 | CAMELLIA_ROUNDSM(io[0],io[1], SUBL(3),SUBR(3), |
| 1227 | io[2],io[3],il,ir,t0,t1); |
| 1228 | CAMELLIA_ROUNDSM(io[2],io[3], SUBL(2),SUBR(2), |
| 1229 | io[0],io[1],il,ir,t0,t1); |
| 1230 | |
| 1231 | /* post whitening but kw4 */ |
| 1232 | io[2] ^= SUBL(0); |
| 1233 | io[3] ^= SUBR(0); |
| 1234 | |
| 1235 | t0 = io[0]; |
| 1236 | t1 = io[1]; |
| 1237 | io[0] = io[2]; |
| 1238 | io[1] = io[3]; |
| 1239 | io[2] = t0; |
| 1240 | io[3] = t1; |
| 1241 | } |
| 1242 | |
| 1243 | void |
| 1244 | Camellia_Ekeygen(const int keyBitLength, |
| 1245 | const unsigned char *rawKey, |
| 1246 | uint32_t *subkey) |
| 1247 | { |
| 1248 | KASSERT(keyBitLength == 128 || keyBitLength == 192 || keyBitLength == 256); |
| 1249 | |
| 1250 | switch(keyBitLength) { |
| 1251 | case 128: |
| 1252 | camellia_setup128(rawKey, subkey); |
| 1253 | break; |
| 1254 | case 192: |
| 1255 | camellia_setup192(rawKey, subkey); |
| 1256 | break; |
| 1257 | case 256: |
| 1258 | camellia_setup256(rawKey, subkey); |
| 1259 | break; |
| 1260 | default: |
| 1261 | break; |
| 1262 | } |
| 1263 | } |
| 1264 | void |
| 1265 | Camellia_EncryptBlock(const int keyBitLength, |
| 1266 | const unsigned char *plaintext, |
| 1267 | const uint32_t *subkey, |
| 1268 | unsigned char *ciphertext) |
| 1269 | { |
| 1270 | uint32_t tmp[4]; |
| 1271 | |
| 1272 | tmp[0] = GETU32(plaintext); |
| 1273 | tmp[1] = GETU32(plaintext + 4); |
| 1274 | tmp[2] = GETU32(plaintext + 8); |
| 1275 | tmp[3] = GETU32(plaintext + 12); |
| 1276 | |
| 1277 | switch (keyBitLength) { |
| 1278 | case 128: |
| 1279 | camellia_encrypt128(subkey, tmp); |
| 1280 | break; |
| 1281 | case 192: |
| 1282 | /* fall through */ |
| 1283 | case 256: |
| 1284 | camellia_encrypt256(subkey, tmp); |
| 1285 | break; |
| 1286 | default: |
| 1287 | break; |
| 1288 | } |
| 1289 | |
| 1290 | PUTU32(ciphertext, tmp[0]); |
| 1291 | PUTU32(ciphertext+4, tmp[1]); |
| 1292 | PUTU32(ciphertext+8, tmp[2]); |
| 1293 | PUTU32(ciphertext+12, tmp[3]); |
| 1294 | } |
| 1295 | |
| 1296 | void |
| 1297 | Camellia_DecryptBlock(const int keyBitLength, |
| 1298 | const unsigned char *ciphertext, |
| 1299 | const uint32_t *subkey, |
| 1300 | unsigned char *plaintext) |
| 1301 | { |
| 1302 | uint32_t tmp[4]; |
| 1303 | |
| 1304 | tmp[0] = GETU32(ciphertext); |
| 1305 | tmp[1] = GETU32(ciphertext + 4); |
| 1306 | tmp[2] = GETU32(ciphertext + 8); |
| 1307 | tmp[3] = GETU32(ciphertext + 12); |
| 1308 | |
| 1309 | switch (keyBitLength) { |
| 1310 | case 128: |
| 1311 | camellia_decrypt128(subkey, tmp); |
| 1312 | break; |
| 1313 | case 192: |
| 1314 | /* fall through */ |
| 1315 | case 256: |
| 1316 | camellia_decrypt256(subkey, tmp); |
| 1317 | break; |
| 1318 | default: |
| 1319 | break; |
| 1320 | } |
| 1321 | |
| 1322 | PUTU32(plaintext, tmp[0]); |
| 1323 | PUTU32(plaintext+4, tmp[1]); |
| 1324 | PUTU32(plaintext+8, tmp[2]); |
| 1325 | PUTU32(plaintext+12, tmp[3]); |
| 1326 | } |
| 1327 | |
| 1328 | MODULE(MODULE_CLASS_MISC, camellia, NULL); |
| 1329 | |
| 1330 | static int |
| 1331 | camellia_modcmd(modcmd_t cmd, void *opaque) |
| 1332 | { |
| 1333 | |
| 1334 | switch (cmd) { |
| 1335 | case MODULE_CMD_INIT: |
| 1336 | return 0; |
| 1337 | case MODULE_CMD_FINI: |
| 1338 | return 0; |
| 1339 | default: |
| 1340 | return ENOTTY; |
| 1341 | } |
| 1342 | } |
| 1343 | |