Noriaki TAKAMIYA | d64beac | 2007-01-24 21:47:48 +1100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2006 |
| 3 | * NTT (Nippon Telegraph and Telephone Corporation). |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public License |
| 7 | * as published by the Free Software Foundation; either version 2 |
| 8 | * of the License, or (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 18 | */ |
| 19 | |
| 20 | /* |
| 21 | * Algorithm Specification |
| 22 | * http://info.isl.ntt.co.jp/crypt/eng/camellia/specifications.html |
| 23 | */ |
| 24 | |
| 25 | /* |
| 26 | * |
| 27 | * NOTE --- NOTE --- NOTE --- NOTE |
| 28 | * This implementation assumes that all memory addresses passed |
| 29 | * as parameters are four-byte aligned. |
| 30 | * |
| 31 | */ |
| 32 | |
| 33 | #include <linux/crypto.h> |
| 34 | #include <linux/errno.h> |
| 35 | #include <linux/init.h> |
| 36 | #include <linux/kernel.h> |
| 37 | #include <linux/module.h> |
| 38 | |
| 39 | |
| 40 | #define CAMELLIA_MIN_KEY_SIZE 16 |
| 41 | #define CAMELLIA_MAX_KEY_SIZE 32 |
| 42 | #define CAMELLIA_BLOCK_SIZE 16 |
| 43 | #define CAMELLIA_TABLE_BYTE_LEN 272 |
| 44 | #define CAMELLIA_TABLE_WORD_LEN (CAMELLIA_TABLE_BYTE_LEN / 4) |
| 45 | |
| 46 | typedef u32 KEY_TABLE_TYPE[CAMELLIA_TABLE_WORD_LEN]; |
| 47 | |
| 48 | |
| 49 | /* key constants */ |
| 50 | |
| 51 | #define CAMELLIA_SIGMA1L (0xA09E667FL) |
| 52 | #define CAMELLIA_SIGMA1R (0x3BCC908BL) |
| 53 | #define CAMELLIA_SIGMA2L (0xB67AE858L) |
| 54 | #define CAMELLIA_SIGMA2R (0x4CAA73B2L) |
| 55 | #define CAMELLIA_SIGMA3L (0xC6EF372FL) |
| 56 | #define CAMELLIA_SIGMA3R (0xE94F82BEL) |
| 57 | #define CAMELLIA_SIGMA4L (0x54FF53A5L) |
| 58 | #define CAMELLIA_SIGMA4R (0xF1D36F1CL) |
| 59 | #define CAMELLIA_SIGMA5L (0x10E527FAL) |
| 60 | #define CAMELLIA_SIGMA5R (0xDE682D1DL) |
| 61 | #define CAMELLIA_SIGMA6L (0xB05688C2L) |
| 62 | #define CAMELLIA_SIGMA6R (0xB3E6C1FDL) |
| 63 | |
| 64 | struct camellia_ctx { |
| 65 | int key_length; |
| 66 | KEY_TABLE_TYPE key_table; |
| 67 | }; |
| 68 | |
| 69 | |
| 70 | /* |
| 71 | * macros |
| 72 | */ |
| 73 | |
| 74 | |
| 75 | # define GETU32(pt) (((u32)(pt)[0] << 24) \ |
| 76 | ^ ((u32)(pt)[1] << 16) \ |
| 77 | ^ ((u32)(pt)[2] << 8) \ |
| 78 | ^ ((u32)(pt)[3])) |
| 79 | |
| 80 | #define COPY4WORD(dst, src) \ |
| 81 | do { \ |
| 82 | (dst)[0]=(src)[0]; \ |
| 83 | (dst)[1]=(src)[1]; \ |
| 84 | (dst)[2]=(src)[2]; \ |
| 85 | (dst)[3]=(src)[3]; \ |
| 86 | }while(0) |
| 87 | |
| 88 | #define SWAP4WORD(word) \ |
| 89 | do { \ |
| 90 | CAMELLIA_SWAP4((word)[0]); \ |
| 91 | CAMELLIA_SWAP4((word)[1]); \ |
| 92 | CAMELLIA_SWAP4((word)[2]); \ |
| 93 | CAMELLIA_SWAP4((word)[3]); \ |
| 94 | }while(0) |
| 95 | |
| 96 | #define XOR4WORD(a, b)/* a = a ^ b */ \ |
| 97 | do { \ |
| 98 | (a)[0]^=(b)[0]; \ |
| 99 | (a)[1]^=(b)[1]; \ |
| 100 | (a)[2]^=(b)[2]; \ |
| 101 | (a)[3]^=(b)[3]; \ |
| 102 | }while(0) |
| 103 | |
| 104 | #define XOR4WORD2(a, b, c)/* a = b ^ c */ \ |
| 105 | do { \ |
| 106 | (a)[0]=(b)[0]^(c)[0]; \ |
| 107 | (a)[1]=(b)[1]^(c)[1]; \ |
| 108 | (a)[2]=(b)[2]^(c)[2]; \ |
| 109 | (a)[3]=(b)[3]^(c)[3]; \ |
| 110 | }while(0) |
| 111 | |
| 112 | #define CAMELLIA_SUBKEY_L(INDEX) (subkey[(INDEX)*2]) |
| 113 | #define CAMELLIA_SUBKEY_R(INDEX) (subkey[(INDEX)*2 + 1]) |
| 114 | |
| 115 | /* rotation right shift 1byte */ |
| 116 | #define CAMELLIA_RR8(x) (((x) >> 8) + ((x) << 24)) |
| 117 | /* rotation left shift 1bit */ |
| 118 | #define CAMELLIA_RL1(x) (((x) << 1) + ((x) >> 31)) |
| 119 | /* rotation left shift 1byte */ |
| 120 | #define CAMELLIA_RL8(x) (((x) << 8) + ((x) >> 24)) |
| 121 | |
| 122 | #define CAMELLIA_ROLDQ(ll, lr, rl, rr, w0, w1, bits) \ |
| 123 | do { \ |
| 124 | w0 = ll; \ |
| 125 | ll = (ll << bits) + (lr >> (32 - bits)); \ |
| 126 | lr = (lr << bits) + (rl >> (32 - bits)); \ |
| 127 | rl = (rl << bits) + (rr >> (32 - bits)); \ |
| 128 | rr = (rr << bits) + (w0 >> (32 - bits)); \ |
| 129 | } while(0) |
| 130 | |
| 131 | #define CAMELLIA_ROLDQo32(ll, lr, rl, rr, w0, w1, bits) \ |
| 132 | do { \ |
| 133 | w0 = ll; \ |
| 134 | w1 = lr; \ |
| 135 | ll = (lr << (bits - 32)) + (rl >> (64 - bits)); \ |
| 136 | lr = (rl << (bits - 32)) + (rr >> (64 - bits)); \ |
| 137 | rl = (rr << (bits - 32)) + (w0 >> (64 - bits)); \ |
| 138 | rr = (w0 << (bits - 32)) + (w1 >> (64 - bits)); \ |
| 139 | } while(0) |
| 140 | |
| 141 | #define CAMELLIA_SP1110(INDEX) (camellia_sp1110[(INDEX)]) |
| 142 | #define CAMELLIA_SP0222(INDEX) (camellia_sp0222[(INDEX)]) |
| 143 | #define CAMELLIA_SP3033(INDEX) (camellia_sp3033[(INDEX)]) |
| 144 | #define CAMELLIA_SP4404(INDEX) (camellia_sp4404[(INDEX)]) |
| 145 | |
| 146 | #define CAMELLIA_F(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \ |
| 147 | do { \ |
| 148 | il = xl ^ kl; \ |
| 149 | ir = xr ^ kr; \ |
| 150 | t0 = il >> 16; \ |
| 151 | t1 = ir >> 16; \ |
| 152 | yl = CAMELLIA_SP1110(ir & 0xff) \ |
| 153 | ^ CAMELLIA_SP0222((t1 >> 8) & 0xff) \ |
| 154 | ^ CAMELLIA_SP3033(t1 & 0xff) \ |
| 155 | ^ CAMELLIA_SP4404((ir >> 8) & 0xff); \ |
| 156 | yr = CAMELLIA_SP1110((t0 >> 8) & 0xff) \ |
| 157 | ^ CAMELLIA_SP0222(t0 & 0xff) \ |
| 158 | ^ CAMELLIA_SP3033((il >> 8) & 0xff) \ |
| 159 | ^ CAMELLIA_SP4404(il & 0xff); \ |
| 160 | yl ^= yr; \ |
| 161 | yr = CAMELLIA_RR8(yr); \ |
| 162 | yr ^= yl; \ |
| 163 | } while(0) |
| 164 | |
| 165 | |
| 166 | /* |
| 167 | * for speed up |
| 168 | * |
| 169 | */ |
| 170 | #define CAMELLIA_FLS(ll, lr, rl, rr, kll, klr, krl, krr, t0, t1, t2, t3) \ |
| 171 | do { \ |
| 172 | t0 = kll; \ |
| 173 | t2 = krr; \ |
| 174 | t0 &= ll; \ |
| 175 | t2 |= rr; \ |
| 176 | rl ^= t2; \ |
| 177 | lr ^= CAMELLIA_RL1(t0); \ |
| 178 | t3 = krl; \ |
| 179 | t1 = klr; \ |
| 180 | t3 &= rl; \ |
| 181 | t1 |= lr; \ |
| 182 | ll ^= t1; \ |
| 183 | rr ^= CAMELLIA_RL1(t3); \ |
| 184 | } while(0) |
| 185 | |
| 186 | #define CAMELLIA_ROUNDSM(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \ |
| 187 | do { \ |
| 188 | ir = CAMELLIA_SP1110(xr & 0xff); \ |
| 189 | il = CAMELLIA_SP1110((xl>>24) & 0xff); \ |
| 190 | ir ^= CAMELLIA_SP0222((xr>>24) & 0xff); \ |
| 191 | il ^= CAMELLIA_SP0222((xl>>16) & 0xff); \ |
| 192 | ir ^= CAMELLIA_SP3033((xr>>16) & 0xff); \ |
| 193 | il ^= CAMELLIA_SP3033((xl>>8) & 0xff); \ |
| 194 | ir ^= CAMELLIA_SP4404((xr>>8) & 0xff); \ |
| 195 | il ^= CAMELLIA_SP4404(xl & 0xff); \ |
| 196 | il ^= kl; \ |
| 197 | ir ^= il ^ kr; \ |
| 198 | yl ^= ir; \ |
| 199 | yr ^= CAMELLIA_RR8(il) ^ ir; \ |
| 200 | } while(0) |
| 201 | |
| 202 | /** |
| 203 | * Stuff related to the Camellia key schedule |
| 204 | */ |
| 205 | #define SUBL(x) subL[(x)] |
| 206 | #define SUBR(x) subR[(x)] |
| 207 | |
| 208 | |
| 209 | static const u32 camellia_sp1110[256] = { |
| 210 | 0x70707000,0x82828200,0x2c2c2c00,0xececec00, |
| 211 | 0xb3b3b300,0x27272700,0xc0c0c000,0xe5e5e500, |
| 212 | 0xe4e4e400,0x85858500,0x57575700,0x35353500, |
| 213 | 0xeaeaea00,0x0c0c0c00,0xaeaeae00,0x41414100, |
| 214 | 0x23232300,0xefefef00,0x6b6b6b00,0x93939300, |
| 215 | 0x45454500,0x19191900,0xa5a5a500,0x21212100, |
| 216 | 0xededed00,0x0e0e0e00,0x4f4f4f00,0x4e4e4e00, |
| 217 | 0x1d1d1d00,0x65656500,0x92929200,0xbdbdbd00, |
| 218 | 0x86868600,0xb8b8b800,0xafafaf00,0x8f8f8f00, |
| 219 | 0x7c7c7c00,0xebebeb00,0x1f1f1f00,0xcecece00, |
| 220 | 0x3e3e3e00,0x30303000,0xdcdcdc00,0x5f5f5f00, |
| 221 | 0x5e5e5e00,0xc5c5c500,0x0b0b0b00,0x1a1a1a00, |
| 222 | 0xa6a6a600,0xe1e1e100,0x39393900,0xcacaca00, |
| 223 | 0xd5d5d500,0x47474700,0x5d5d5d00,0x3d3d3d00, |
| 224 | 0xd9d9d900,0x01010100,0x5a5a5a00,0xd6d6d600, |
| 225 | 0x51515100,0x56565600,0x6c6c6c00,0x4d4d4d00, |
| 226 | 0x8b8b8b00,0x0d0d0d00,0x9a9a9a00,0x66666600, |
| 227 | 0xfbfbfb00,0xcccccc00,0xb0b0b000,0x2d2d2d00, |
| 228 | 0x74747400,0x12121200,0x2b2b2b00,0x20202000, |
| 229 | 0xf0f0f000,0xb1b1b100,0x84848400,0x99999900, |
| 230 | 0xdfdfdf00,0x4c4c4c00,0xcbcbcb00,0xc2c2c200, |
| 231 | 0x34343400,0x7e7e7e00,0x76767600,0x05050500, |
| 232 | 0x6d6d6d00,0xb7b7b700,0xa9a9a900,0x31313100, |
| 233 | 0xd1d1d100,0x17171700,0x04040400,0xd7d7d700, |
| 234 | 0x14141400,0x58585800,0x3a3a3a00,0x61616100, |
| 235 | 0xdedede00,0x1b1b1b00,0x11111100,0x1c1c1c00, |
| 236 | 0x32323200,0x0f0f0f00,0x9c9c9c00,0x16161600, |
| 237 | 0x53535300,0x18181800,0xf2f2f200,0x22222200, |
| 238 | 0xfefefe00,0x44444400,0xcfcfcf00,0xb2b2b200, |
| 239 | 0xc3c3c300,0xb5b5b500,0x7a7a7a00,0x91919100, |
| 240 | 0x24242400,0x08080800,0xe8e8e800,0xa8a8a800, |
| 241 | 0x60606000,0xfcfcfc00,0x69696900,0x50505000, |
| 242 | 0xaaaaaa00,0xd0d0d000,0xa0a0a000,0x7d7d7d00, |
| 243 | 0xa1a1a100,0x89898900,0x62626200,0x97979700, |
| 244 | 0x54545400,0x5b5b5b00,0x1e1e1e00,0x95959500, |
| 245 | 0xe0e0e000,0xffffff00,0x64646400,0xd2d2d200, |
| 246 | 0x10101000,0xc4c4c400,0x00000000,0x48484800, |
| 247 | 0xa3a3a300,0xf7f7f700,0x75757500,0xdbdbdb00, |
| 248 | 0x8a8a8a00,0x03030300,0xe6e6e600,0xdadada00, |
| 249 | 0x09090900,0x3f3f3f00,0xdddddd00,0x94949400, |
| 250 | 0x87878700,0x5c5c5c00,0x83838300,0x02020200, |
| 251 | 0xcdcdcd00,0x4a4a4a00,0x90909000,0x33333300, |
| 252 | 0x73737300,0x67676700,0xf6f6f600,0xf3f3f300, |
| 253 | 0x9d9d9d00,0x7f7f7f00,0xbfbfbf00,0xe2e2e200, |
| 254 | 0x52525200,0x9b9b9b00,0xd8d8d800,0x26262600, |
| 255 | 0xc8c8c800,0x37373700,0xc6c6c600,0x3b3b3b00, |
| 256 | 0x81818100,0x96969600,0x6f6f6f00,0x4b4b4b00, |
| 257 | 0x13131300,0xbebebe00,0x63636300,0x2e2e2e00, |
| 258 | 0xe9e9e900,0x79797900,0xa7a7a700,0x8c8c8c00, |
| 259 | 0x9f9f9f00,0x6e6e6e00,0xbcbcbc00,0x8e8e8e00, |
| 260 | 0x29292900,0xf5f5f500,0xf9f9f900,0xb6b6b600, |
| 261 | 0x2f2f2f00,0xfdfdfd00,0xb4b4b400,0x59595900, |
| 262 | 0x78787800,0x98989800,0x06060600,0x6a6a6a00, |
| 263 | 0xe7e7e700,0x46464600,0x71717100,0xbababa00, |
| 264 | 0xd4d4d400,0x25252500,0xababab00,0x42424200, |
| 265 | 0x88888800,0xa2a2a200,0x8d8d8d00,0xfafafa00, |
| 266 | 0x72727200,0x07070700,0xb9b9b900,0x55555500, |
| 267 | 0xf8f8f800,0xeeeeee00,0xacacac00,0x0a0a0a00, |
| 268 | 0x36363600,0x49494900,0x2a2a2a00,0x68686800, |
| 269 | 0x3c3c3c00,0x38383800,0xf1f1f100,0xa4a4a400, |
| 270 | 0x40404000,0x28282800,0xd3d3d300,0x7b7b7b00, |
| 271 | 0xbbbbbb00,0xc9c9c900,0x43434300,0xc1c1c100, |
| 272 | 0x15151500,0xe3e3e300,0xadadad00,0xf4f4f400, |
| 273 | 0x77777700,0xc7c7c700,0x80808000,0x9e9e9e00, |
| 274 | }; |
| 275 | |
| 276 | static const u32 camellia_sp0222[256] = { |
| 277 | 0x00e0e0e0,0x00050505,0x00585858,0x00d9d9d9, |
| 278 | 0x00676767,0x004e4e4e,0x00818181,0x00cbcbcb, |
| 279 | 0x00c9c9c9,0x000b0b0b,0x00aeaeae,0x006a6a6a, |
| 280 | 0x00d5d5d5,0x00181818,0x005d5d5d,0x00828282, |
| 281 | 0x00464646,0x00dfdfdf,0x00d6d6d6,0x00272727, |
| 282 | 0x008a8a8a,0x00323232,0x004b4b4b,0x00424242, |
| 283 | 0x00dbdbdb,0x001c1c1c,0x009e9e9e,0x009c9c9c, |
| 284 | 0x003a3a3a,0x00cacaca,0x00252525,0x007b7b7b, |
| 285 | 0x000d0d0d,0x00717171,0x005f5f5f,0x001f1f1f, |
| 286 | 0x00f8f8f8,0x00d7d7d7,0x003e3e3e,0x009d9d9d, |
| 287 | 0x007c7c7c,0x00606060,0x00b9b9b9,0x00bebebe, |
| 288 | 0x00bcbcbc,0x008b8b8b,0x00161616,0x00343434, |
| 289 | 0x004d4d4d,0x00c3c3c3,0x00727272,0x00959595, |
| 290 | 0x00ababab,0x008e8e8e,0x00bababa,0x007a7a7a, |
| 291 | 0x00b3b3b3,0x00020202,0x00b4b4b4,0x00adadad, |
| 292 | 0x00a2a2a2,0x00acacac,0x00d8d8d8,0x009a9a9a, |
| 293 | 0x00171717,0x001a1a1a,0x00353535,0x00cccccc, |
| 294 | 0x00f7f7f7,0x00999999,0x00616161,0x005a5a5a, |
| 295 | 0x00e8e8e8,0x00242424,0x00565656,0x00404040, |
| 296 | 0x00e1e1e1,0x00636363,0x00090909,0x00333333, |
| 297 | 0x00bfbfbf,0x00989898,0x00979797,0x00858585, |
| 298 | 0x00686868,0x00fcfcfc,0x00ececec,0x000a0a0a, |
| 299 | 0x00dadada,0x006f6f6f,0x00535353,0x00626262, |
| 300 | 0x00a3a3a3,0x002e2e2e,0x00080808,0x00afafaf, |
| 301 | 0x00282828,0x00b0b0b0,0x00747474,0x00c2c2c2, |
| 302 | 0x00bdbdbd,0x00363636,0x00222222,0x00383838, |
| 303 | 0x00646464,0x001e1e1e,0x00393939,0x002c2c2c, |
| 304 | 0x00a6a6a6,0x00303030,0x00e5e5e5,0x00444444, |
| 305 | 0x00fdfdfd,0x00888888,0x009f9f9f,0x00656565, |
| 306 | 0x00878787,0x006b6b6b,0x00f4f4f4,0x00232323, |
| 307 | 0x00484848,0x00101010,0x00d1d1d1,0x00515151, |
| 308 | 0x00c0c0c0,0x00f9f9f9,0x00d2d2d2,0x00a0a0a0, |
| 309 | 0x00555555,0x00a1a1a1,0x00414141,0x00fafafa, |
| 310 | 0x00434343,0x00131313,0x00c4c4c4,0x002f2f2f, |
| 311 | 0x00a8a8a8,0x00b6b6b6,0x003c3c3c,0x002b2b2b, |
| 312 | 0x00c1c1c1,0x00ffffff,0x00c8c8c8,0x00a5a5a5, |
| 313 | 0x00202020,0x00898989,0x00000000,0x00909090, |
| 314 | 0x00474747,0x00efefef,0x00eaeaea,0x00b7b7b7, |
| 315 | 0x00151515,0x00060606,0x00cdcdcd,0x00b5b5b5, |
| 316 | 0x00121212,0x007e7e7e,0x00bbbbbb,0x00292929, |
| 317 | 0x000f0f0f,0x00b8b8b8,0x00070707,0x00040404, |
| 318 | 0x009b9b9b,0x00949494,0x00212121,0x00666666, |
| 319 | 0x00e6e6e6,0x00cecece,0x00ededed,0x00e7e7e7, |
| 320 | 0x003b3b3b,0x00fefefe,0x007f7f7f,0x00c5c5c5, |
| 321 | 0x00a4a4a4,0x00373737,0x00b1b1b1,0x004c4c4c, |
| 322 | 0x00919191,0x006e6e6e,0x008d8d8d,0x00767676, |
| 323 | 0x00030303,0x002d2d2d,0x00dedede,0x00969696, |
| 324 | 0x00262626,0x007d7d7d,0x00c6c6c6,0x005c5c5c, |
| 325 | 0x00d3d3d3,0x00f2f2f2,0x004f4f4f,0x00191919, |
| 326 | 0x003f3f3f,0x00dcdcdc,0x00797979,0x001d1d1d, |
| 327 | 0x00525252,0x00ebebeb,0x00f3f3f3,0x006d6d6d, |
| 328 | 0x005e5e5e,0x00fbfbfb,0x00696969,0x00b2b2b2, |
| 329 | 0x00f0f0f0,0x00313131,0x000c0c0c,0x00d4d4d4, |
| 330 | 0x00cfcfcf,0x008c8c8c,0x00e2e2e2,0x00757575, |
| 331 | 0x00a9a9a9,0x004a4a4a,0x00575757,0x00848484, |
| 332 | 0x00111111,0x00454545,0x001b1b1b,0x00f5f5f5, |
| 333 | 0x00e4e4e4,0x000e0e0e,0x00737373,0x00aaaaaa, |
| 334 | 0x00f1f1f1,0x00dddddd,0x00595959,0x00141414, |
| 335 | 0x006c6c6c,0x00929292,0x00545454,0x00d0d0d0, |
| 336 | 0x00787878,0x00707070,0x00e3e3e3,0x00494949, |
| 337 | 0x00808080,0x00505050,0x00a7a7a7,0x00f6f6f6, |
| 338 | 0x00777777,0x00939393,0x00868686,0x00838383, |
| 339 | 0x002a2a2a,0x00c7c7c7,0x005b5b5b,0x00e9e9e9, |
| 340 | 0x00eeeeee,0x008f8f8f,0x00010101,0x003d3d3d, |
| 341 | }; |
| 342 | |
| 343 | static const u32 camellia_sp3033[256] = { |
| 344 | 0x38003838,0x41004141,0x16001616,0x76007676, |
| 345 | 0xd900d9d9,0x93009393,0x60006060,0xf200f2f2, |
| 346 | 0x72007272,0xc200c2c2,0xab00abab,0x9a009a9a, |
| 347 | 0x75007575,0x06000606,0x57005757,0xa000a0a0, |
| 348 | 0x91009191,0xf700f7f7,0xb500b5b5,0xc900c9c9, |
| 349 | 0xa200a2a2,0x8c008c8c,0xd200d2d2,0x90009090, |
| 350 | 0xf600f6f6,0x07000707,0xa700a7a7,0x27002727, |
| 351 | 0x8e008e8e,0xb200b2b2,0x49004949,0xde00dede, |
| 352 | 0x43004343,0x5c005c5c,0xd700d7d7,0xc700c7c7, |
| 353 | 0x3e003e3e,0xf500f5f5,0x8f008f8f,0x67006767, |
| 354 | 0x1f001f1f,0x18001818,0x6e006e6e,0xaf00afaf, |
| 355 | 0x2f002f2f,0xe200e2e2,0x85008585,0x0d000d0d, |
| 356 | 0x53005353,0xf000f0f0,0x9c009c9c,0x65006565, |
| 357 | 0xea00eaea,0xa300a3a3,0xae00aeae,0x9e009e9e, |
| 358 | 0xec00ecec,0x80008080,0x2d002d2d,0x6b006b6b, |
| 359 | 0xa800a8a8,0x2b002b2b,0x36003636,0xa600a6a6, |
| 360 | 0xc500c5c5,0x86008686,0x4d004d4d,0x33003333, |
| 361 | 0xfd00fdfd,0x66006666,0x58005858,0x96009696, |
| 362 | 0x3a003a3a,0x09000909,0x95009595,0x10001010, |
| 363 | 0x78007878,0xd800d8d8,0x42004242,0xcc00cccc, |
| 364 | 0xef00efef,0x26002626,0xe500e5e5,0x61006161, |
| 365 | 0x1a001a1a,0x3f003f3f,0x3b003b3b,0x82008282, |
| 366 | 0xb600b6b6,0xdb00dbdb,0xd400d4d4,0x98009898, |
| 367 | 0xe800e8e8,0x8b008b8b,0x02000202,0xeb00ebeb, |
| 368 | 0x0a000a0a,0x2c002c2c,0x1d001d1d,0xb000b0b0, |
| 369 | 0x6f006f6f,0x8d008d8d,0x88008888,0x0e000e0e, |
| 370 | 0x19001919,0x87008787,0x4e004e4e,0x0b000b0b, |
| 371 | 0xa900a9a9,0x0c000c0c,0x79007979,0x11001111, |
| 372 | 0x7f007f7f,0x22002222,0xe700e7e7,0x59005959, |
| 373 | 0xe100e1e1,0xda00dada,0x3d003d3d,0xc800c8c8, |
| 374 | 0x12001212,0x04000404,0x74007474,0x54005454, |
| 375 | 0x30003030,0x7e007e7e,0xb400b4b4,0x28002828, |
| 376 | 0x55005555,0x68006868,0x50005050,0xbe00bebe, |
| 377 | 0xd000d0d0,0xc400c4c4,0x31003131,0xcb00cbcb, |
| 378 | 0x2a002a2a,0xad00adad,0x0f000f0f,0xca00caca, |
| 379 | 0x70007070,0xff00ffff,0x32003232,0x69006969, |
| 380 | 0x08000808,0x62006262,0x00000000,0x24002424, |
| 381 | 0xd100d1d1,0xfb00fbfb,0xba00baba,0xed00eded, |
| 382 | 0x45004545,0x81008181,0x73007373,0x6d006d6d, |
| 383 | 0x84008484,0x9f009f9f,0xee00eeee,0x4a004a4a, |
| 384 | 0xc300c3c3,0x2e002e2e,0xc100c1c1,0x01000101, |
| 385 | 0xe600e6e6,0x25002525,0x48004848,0x99009999, |
| 386 | 0xb900b9b9,0xb300b3b3,0x7b007b7b,0xf900f9f9, |
| 387 | 0xce00cece,0xbf00bfbf,0xdf00dfdf,0x71007171, |
| 388 | 0x29002929,0xcd00cdcd,0x6c006c6c,0x13001313, |
| 389 | 0x64006464,0x9b009b9b,0x63006363,0x9d009d9d, |
| 390 | 0xc000c0c0,0x4b004b4b,0xb700b7b7,0xa500a5a5, |
| 391 | 0x89008989,0x5f005f5f,0xb100b1b1,0x17001717, |
| 392 | 0xf400f4f4,0xbc00bcbc,0xd300d3d3,0x46004646, |
| 393 | 0xcf00cfcf,0x37003737,0x5e005e5e,0x47004747, |
| 394 | 0x94009494,0xfa00fafa,0xfc00fcfc,0x5b005b5b, |
| 395 | 0x97009797,0xfe00fefe,0x5a005a5a,0xac00acac, |
| 396 | 0x3c003c3c,0x4c004c4c,0x03000303,0x35003535, |
| 397 | 0xf300f3f3,0x23002323,0xb800b8b8,0x5d005d5d, |
| 398 | 0x6a006a6a,0x92009292,0xd500d5d5,0x21002121, |
| 399 | 0x44004444,0x51005151,0xc600c6c6,0x7d007d7d, |
| 400 | 0x39003939,0x83008383,0xdc00dcdc,0xaa00aaaa, |
| 401 | 0x7c007c7c,0x77007777,0x56005656,0x05000505, |
| 402 | 0x1b001b1b,0xa400a4a4,0x15001515,0x34003434, |
| 403 | 0x1e001e1e,0x1c001c1c,0xf800f8f8,0x52005252, |
| 404 | 0x20002020,0x14001414,0xe900e9e9,0xbd00bdbd, |
| 405 | 0xdd00dddd,0xe400e4e4,0xa100a1a1,0xe000e0e0, |
| 406 | 0x8a008a8a,0xf100f1f1,0xd600d6d6,0x7a007a7a, |
| 407 | 0xbb00bbbb,0xe300e3e3,0x40004040,0x4f004f4f, |
| 408 | }; |
| 409 | |
| 410 | static const u32 camellia_sp4404[256] = { |
| 411 | 0x70700070,0x2c2c002c,0xb3b300b3,0xc0c000c0, |
| 412 | 0xe4e400e4,0x57570057,0xeaea00ea,0xaeae00ae, |
| 413 | 0x23230023,0x6b6b006b,0x45450045,0xa5a500a5, |
| 414 | 0xeded00ed,0x4f4f004f,0x1d1d001d,0x92920092, |
| 415 | 0x86860086,0xafaf00af,0x7c7c007c,0x1f1f001f, |
| 416 | 0x3e3e003e,0xdcdc00dc,0x5e5e005e,0x0b0b000b, |
| 417 | 0xa6a600a6,0x39390039,0xd5d500d5,0x5d5d005d, |
| 418 | 0xd9d900d9,0x5a5a005a,0x51510051,0x6c6c006c, |
| 419 | 0x8b8b008b,0x9a9a009a,0xfbfb00fb,0xb0b000b0, |
| 420 | 0x74740074,0x2b2b002b,0xf0f000f0,0x84840084, |
| 421 | 0xdfdf00df,0xcbcb00cb,0x34340034,0x76760076, |
| 422 | 0x6d6d006d,0xa9a900a9,0xd1d100d1,0x04040004, |
| 423 | 0x14140014,0x3a3a003a,0xdede00de,0x11110011, |
| 424 | 0x32320032,0x9c9c009c,0x53530053,0xf2f200f2, |
| 425 | 0xfefe00fe,0xcfcf00cf,0xc3c300c3,0x7a7a007a, |
| 426 | 0x24240024,0xe8e800e8,0x60600060,0x69690069, |
| 427 | 0xaaaa00aa,0xa0a000a0,0xa1a100a1,0x62620062, |
| 428 | 0x54540054,0x1e1e001e,0xe0e000e0,0x64640064, |
| 429 | 0x10100010,0x00000000,0xa3a300a3,0x75750075, |
| 430 | 0x8a8a008a,0xe6e600e6,0x09090009,0xdddd00dd, |
| 431 | 0x87870087,0x83830083,0xcdcd00cd,0x90900090, |
| 432 | 0x73730073,0xf6f600f6,0x9d9d009d,0xbfbf00bf, |
| 433 | 0x52520052,0xd8d800d8,0xc8c800c8,0xc6c600c6, |
| 434 | 0x81810081,0x6f6f006f,0x13130013,0x63630063, |
| 435 | 0xe9e900e9,0xa7a700a7,0x9f9f009f,0xbcbc00bc, |
| 436 | 0x29290029,0xf9f900f9,0x2f2f002f,0xb4b400b4, |
| 437 | 0x78780078,0x06060006,0xe7e700e7,0x71710071, |
| 438 | 0xd4d400d4,0xabab00ab,0x88880088,0x8d8d008d, |
| 439 | 0x72720072,0xb9b900b9,0xf8f800f8,0xacac00ac, |
| 440 | 0x36360036,0x2a2a002a,0x3c3c003c,0xf1f100f1, |
| 441 | 0x40400040,0xd3d300d3,0xbbbb00bb,0x43430043, |
| 442 | 0x15150015,0xadad00ad,0x77770077,0x80800080, |
| 443 | 0x82820082,0xecec00ec,0x27270027,0xe5e500e5, |
| 444 | 0x85850085,0x35350035,0x0c0c000c,0x41410041, |
| 445 | 0xefef00ef,0x93930093,0x19190019,0x21210021, |
| 446 | 0x0e0e000e,0x4e4e004e,0x65650065,0xbdbd00bd, |
| 447 | 0xb8b800b8,0x8f8f008f,0xebeb00eb,0xcece00ce, |
| 448 | 0x30300030,0x5f5f005f,0xc5c500c5,0x1a1a001a, |
| 449 | 0xe1e100e1,0xcaca00ca,0x47470047,0x3d3d003d, |
| 450 | 0x01010001,0xd6d600d6,0x56560056,0x4d4d004d, |
| 451 | 0x0d0d000d,0x66660066,0xcccc00cc,0x2d2d002d, |
| 452 | 0x12120012,0x20200020,0xb1b100b1,0x99990099, |
| 453 | 0x4c4c004c,0xc2c200c2,0x7e7e007e,0x05050005, |
| 454 | 0xb7b700b7,0x31310031,0x17170017,0xd7d700d7, |
| 455 | 0x58580058,0x61610061,0x1b1b001b,0x1c1c001c, |
| 456 | 0x0f0f000f,0x16160016,0x18180018,0x22220022, |
| 457 | 0x44440044,0xb2b200b2,0xb5b500b5,0x91910091, |
| 458 | 0x08080008,0xa8a800a8,0xfcfc00fc,0x50500050, |
| 459 | 0xd0d000d0,0x7d7d007d,0x89890089,0x97970097, |
| 460 | 0x5b5b005b,0x95950095,0xffff00ff,0xd2d200d2, |
| 461 | 0xc4c400c4,0x48480048,0xf7f700f7,0xdbdb00db, |
| 462 | 0x03030003,0xdada00da,0x3f3f003f,0x94940094, |
| 463 | 0x5c5c005c,0x02020002,0x4a4a004a,0x33330033, |
| 464 | 0x67670067,0xf3f300f3,0x7f7f007f,0xe2e200e2, |
| 465 | 0x9b9b009b,0x26260026,0x37370037,0x3b3b003b, |
| 466 | 0x96960096,0x4b4b004b,0xbebe00be,0x2e2e002e, |
| 467 | 0x79790079,0x8c8c008c,0x6e6e006e,0x8e8e008e, |
| 468 | 0xf5f500f5,0xb6b600b6,0xfdfd00fd,0x59590059, |
| 469 | 0x98980098,0x6a6a006a,0x46460046,0xbaba00ba, |
| 470 | 0x25250025,0x42420042,0xa2a200a2,0xfafa00fa, |
| 471 | 0x07070007,0x55550055,0xeeee00ee,0x0a0a000a, |
| 472 | 0x49490049,0x68680068,0x38380038,0xa4a400a4, |
| 473 | 0x28280028,0x7b7b007b,0xc9c900c9,0xc1c100c1, |
| 474 | 0xe3e300e3,0xf4f400f4,0xc7c700c7,0x9e9e009e, |
| 475 | }; |
| 476 | |
| 477 | |
| 478 | |
| 479 | static void camellia_setup128(const unsigned char *key, u32 *subkey) |
| 480 | { |
| 481 | u32 kll, klr, krl, krr; |
| 482 | u32 il, ir, t0, t1, w0, w1; |
| 483 | u32 kw4l, kw4r, dw, tl, tr; |
| 484 | u32 subL[26]; |
| 485 | u32 subR[26]; |
| 486 | |
| 487 | /** |
| 488 | * k == kll || klr || krl || krr (|| is concatination) |
| 489 | */ |
| 490 | kll = GETU32(key ); |
| 491 | klr = GETU32(key + 4); |
| 492 | krl = GETU32(key + 8); |
| 493 | krr = GETU32(key + 12); |
| 494 | /** |
| 495 | * generate KL dependent subkeys |
| 496 | */ |
| 497 | /* kw1 */ |
| 498 | SUBL(0) = kll; SUBR(0) = klr; |
| 499 | /* kw2 */ |
| 500 | SUBL(1) = krl; SUBR(1) = krr; |
| 501 | /* rotation left shift 15bit */ |
| 502 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| 503 | /* k3 */ |
| 504 | SUBL(4) = kll; SUBR(4) = klr; |
| 505 | /* k4 */ |
| 506 | SUBL(5) = krl; SUBR(5) = krr; |
| 507 | /* rotation left shift 15+30bit */ |
| 508 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30); |
| 509 | /* k7 */ |
| 510 | SUBL(10) = kll; SUBR(10) = klr; |
| 511 | /* k8 */ |
| 512 | SUBL(11) = krl; SUBR(11) = krr; |
| 513 | /* rotation left shift 15+30+15bit */ |
| 514 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| 515 | /* k10 */ |
| 516 | SUBL(13) = krl; SUBR(13) = krr; |
| 517 | /* rotation left shift 15+30+15+17 bit */ |
| 518 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
| 519 | /* kl3 */ |
| 520 | SUBL(16) = kll; SUBR(16) = klr; |
| 521 | /* kl4 */ |
| 522 | SUBL(17) = krl; SUBR(17) = krr; |
| 523 | /* rotation left shift 15+30+15+17+17 bit */ |
| 524 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
| 525 | /* k13 */ |
| 526 | SUBL(18) = kll; SUBR(18) = klr; |
| 527 | /* k14 */ |
| 528 | SUBL(19) = krl; SUBR(19) = krr; |
| 529 | /* rotation left shift 15+30+15+17+17+17 bit */ |
| 530 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
| 531 | /* k17 */ |
| 532 | SUBL(22) = kll; SUBR(22) = klr; |
| 533 | /* k18 */ |
| 534 | SUBL(23) = krl; SUBR(23) = krr; |
| 535 | |
| 536 | /* generate KA */ |
| 537 | kll = SUBL(0); klr = SUBR(0); |
| 538 | krl = SUBL(1); krr = SUBR(1); |
| 539 | CAMELLIA_F(kll, klr, |
| 540 | CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R, |
| 541 | w0, w1, il, ir, t0, t1); |
| 542 | krl ^= w0; krr ^= w1; |
| 543 | CAMELLIA_F(krl, krr, |
| 544 | CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R, |
| 545 | kll, klr, il, ir, t0, t1); |
| 546 | /* current status == (kll, klr, w0, w1) */ |
| 547 | CAMELLIA_F(kll, klr, |
| 548 | CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R, |
| 549 | krl, krr, il, ir, t0, t1); |
| 550 | krl ^= w0; krr ^= w1; |
| 551 | CAMELLIA_F(krl, krr, |
| 552 | CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R, |
| 553 | w0, w1, il, ir, t0, t1); |
| 554 | kll ^= w0; klr ^= w1; |
| 555 | |
| 556 | /* generate KA dependent subkeys */ |
| 557 | /* k1, k2 */ |
| 558 | SUBL(2) = kll; SUBR(2) = klr; |
| 559 | SUBL(3) = krl; SUBR(3) = krr; |
| 560 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| 561 | /* k5,k6 */ |
| 562 | SUBL(6) = kll; SUBR(6) = klr; |
| 563 | SUBL(7) = krl; SUBR(7) = krr; |
| 564 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| 565 | /* kl1, kl2 */ |
| 566 | SUBL(8) = kll; SUBR(8) = klr; |
| 567 | SUBL(9) = krl; SUBR(9) = krr; |
| 568 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| 569 | /* k9 */ |
| 570 | SUBL(12) = kll; SUBR(12) = klr; |
| 571 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| 572 | /* k11, k12 */ |
| 573 | SUBL(14) = kll; SUBR(14) = klr; |
| 574 | SUBL(15) = krl; SUBR(15) = krr; |
| 575 | CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34); |
| 576 | /* k15, k16 */ |
| 577 | SUBL(20) = kll; SUBR(20) = klr; |
| 578 | SUBL(21) = krl; SUBR(21) = krr; |
| 579 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
| 580 | /* kw3, kw4 */ |
| 581 | SUBL(24) = kll; SUBR(24) = klr; |
| 582 | SUBL(25) = krl; SUBR(25) = krr; |
| 583 | |
| 584 | |
| 585 | /* absorb kw2 to other subkeys */ |
| 586 | /* round 2 */ |
| 587 | SUBL(3) ^= SUBL(1); SUBR(3) ^= SUBR(1); |
| 588 | /* round 4 */ |
| 589 | SUBL(5) ^= SUBL(1); SUBR(5) ^= SUBR(1); |
| 590 | /* round 6 */ |
| 591 | SUBL(7) ^= SUBL(1); SUBR(7) ^= SUBR(1); |
| 592 | SUBL(1) ^= SUBR(1) & ~SUBR(9); |
| 593 | dw = SUBL(1) & SUBL(9), |
| 594 | SUBR(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl2) */ |
| 595 | /* round 8 */ |
| 596 | SUBL(11) ^= SUBL(1); SUBR(11) ^= SUBR(1); |
| 597 | /* round 10 */ |
| 598 | SUBL(13) ^= SUBL(1); SUBR(13) ^= SUBR(1); |
| 599 | /* round 12 */ |
| 600 | SUBL(15) ^= SUBL(1); SUBR(15) ^= SUBR(1); |
| 601 | SUBL(1) ^= SUBR(1) & ~SUBR(17); |
| 602 | dw = SUBL(1) & SUBL(17), |
| 603 | SUBR(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl4) */ |
| 604 | /* round 14 */ |
| 605 | SUBL(19) ^= SUBL(1); SUBR(19) ^= SUBR(1); |
| 606 | /* round 16 */ |
| 607 | SUBL(21) ^= SUBL(1); SUBR(21) ^= SUBR(1); |
| 608 | /* round 18 */ |
| 609 | SUBL(23) ^= SUBL(1); SUBR(23) ^= SUBR(1); |
| 610 | /* kw3 */ |
| 611 | SUBL(24) ^= SUBL(1); SUBR(24) ^= SUBR(1); |
| 612 | |
| 613 | /* absorb kw4 to other subkeys */ |
| 614 | kw4l = SUBL(25); kw4r = SUBR(25); |
| 615 | /* round 17 */ |
| 616 | SUBL(22) ^= kw4l; SUBR(22) ^= kw4r; |
| 617 | /* round 15 */ |
| 618 | SUBL(20) ^= kw4l; SUBR(20) ^= kw4r; |
| 619 | /* round 13 */ |
| 620 | SUBL(18) ^= kw4l; SUBR(18) ^= kw4r; |
| 621 | kw4l ^= kw4r & ~SUBR(16); |
| 622 | dw = kw4l & SUBL(16), |
| 623 | kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl3) */ |
| 624 | /* round 11 */ |
| 625 | SUBL(14) ^= kw4l; SUBR(14) ^= kw4r; |
| 626 | /* round 9 */ |
| 627 | SUBL(12) ^= kw4l; SUBR(12) ^= kw4r; |
| 628 | /* round 7 */ |
| 629 | SUBL(10) ^= kw4l; SUBR(10) ^= kw4r; |
| 630 | kw4l ^= kw4r & ~SUBR(8); |
| 631 | dw = kw4l & SUBL(8), |
| 632 | kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl1) */ |
| 633 | /* round 5 */ |
| 634 | SUBL(6) ^= kw4l; SUBR(6) ^= kw4r; |
| 635 | /* round 3 */ |
| 636 | SUBL(4) ^= kw4l; SUBR(4) ^= kw4r; |
| 637 | /* round 1 */ |
| 638 | SUBL(2) ^= kw4l; SUBR(2) ^= kw4r; |
| 639 | /* kw1 */ |
| 640 | SUBL(0) ^= kw4l; SUBR(0) ^= kw4r; |
| 641 | |
| 642 | |
| 643 | /* key XOR is end of F-function */ |
| 644 | CAMELLIA_SUBKEY_L(0) = SUBL(0) ^ SUBL(2);/* kw1 */ |
| 645 | CAMELLIA_SUBKEY_R(0) = SUBR(0) ^ SUBR(2); |
| 646 | CAMELLIA_SUBKEY_L(2) = SUBL(3); /* round 1 */ |
| 647 | CAMELLIA_SUBKEY_R(2) = SUBR(3); |
| 648 | CAMELLIA_SUBKEY_L(3) = SUBL(2) ^ SUBL(4); /* round 2 */ |
| 649 | CAMELLIA_SUBKEY_R(3) = SUBR(2) ^ SUBR(4); |
| 650 | CAMELLIA_SUBKEY_L(4) = SUBL(3) ^ SUBL(5); /* round 3 */ |
| 651 | CAMELLIA_SUBKEY_R(4) = SUBR(3) ^ SUBR(5); |
| 652 | CAMELLIA_SUBKEY_L(5) = SUBL(4) ^ SUBL(6); /* round 4 */ |
| 653 | CAMELLIA_SUBKEY_R(5) = SUBR(4) ^ SUBR(6); |
| 654 | CAMELLIA_SUBKEY_L(6) = SUBL(5) ^ SUBL(7); /* round 5 */ |
| 655 | CAMELLIA_SUBKEY_R(6) = SUBR(5) ^ SUBR(7); |
| 656 | tl = SUBL(10) ^ (SUBR(10) & ~SUBR(8)); |
| 657 | dw = tl & SUBL(8), /* FL(kl1) */ |
| 658 | tr = SUBR(10) ^ CAMELLIA_RL1(dw); |
| 659 | CAMELLIA_SUBKEY_L(7) = SUBL(6) ^ tl; /* round 6 */ |
| 660 | CAMELLIA_SUBKEY_R(7) = SUBR(6) ^ tr; |
| 661 | CAMELLIA_SUBKEY_L(8) = SUBL(8); /* FL(kl1) */ |
| 662 | CAMELLIA_SUBKEY_R(8) = SUBR(8); |
| 663 | CAMELLIA_SUBKEY_L(9) = SUBL(9); /* FLinv(kl2) */ |
| 664 | CAMELLIA_SUBKEY_R(9) = SUBR(9); |
| 665 | tl = SUBL(7) ^ (SUBR(7) & ~SUBR(9)); |
| 666 | dw = tl & SUBL(9), /* FLinv(kl2) */ |
| 667 | tr = SUBR(7) ^ CAMELLIA_RL1(dw); |
| 668 | CAMELLIA_SUBKEY_L(10) = tl ^ SUBL(11); /* round 7 */ |
| 669 | CAMELLIA_SUBKEY_R(10) = tr ^ SUBR(11); |
| 670 | CAMELLIA_SUBKEY_L(11) = SUBL(10) ^ SUBL(12); /* round 8 */ |
| 671 | CAMELLIA_SUBKEY_R(11) = SUBR(10) ^ SUBR(12); |
| 672 | CAMELLIA_SUBKEY_L(12) = SUBL(11) ^ SUBL(13); /* round 9 */ |
| 673 | CAMELLIA_SUBKEY_R(12) = SUBR(11) ^ SUBR(13); |
| 674 | CAMELLIA_SUBKEY_L(13) = SUBL(12) ^ SUBL(14); /* round 10 */ |
| 675 | CAMELLIA_SUBKEY_R(13) = SUBR(12) ^ SUBR(14); |
| 676 | CAMELLIA_SUBKEY_L(14) = SUBL(13) ^ SUBL(15); /* round 11 */ |
| 677 | CAMELLIA_SUBKEY_R(14) = SUBR(13) ^ SUBR(15); |
| 678 | tl = SUBL(18) ^ (SUBR(18) & ~SUBR(16)); |
| 679 | dw = tl & SUBL(16), /* FL(kl3) */ |
| 680 | tr = SUBR(18) ^ CAMELLIA_RL1(dw); |
| 681 | CAMELLIA_SUBKEY_L(15) = SUBL(14) ^ tl; /* round 12 */ |
| 682 | CAMELLIA_SUBKEY_R(15) = SUBR(14) ^ tr; |
| 683 | CAMELLIA_SUBKEY_L(16) = SUBL(16); /* FL(kl3) */ |
| 684 | CAMELLIA_SUBKEY_R(16) = SUBR(16); |
| 685 | CAMELLIA_SUBKEY_L(17) = SUBL(17); /* FLinv(kl4) */ |
| 686 | CAMELLIA_SUBKEY_R(17) = SUBR(17); |
| 687 | tl = SUBL(15) ^ (SUBR(15) & ~SUBR(17)); |
| 688 | dw = tl & SUBL(17), /* FLinv(kl4) */ |
| 689 | tr = SUBR(15) ^ CAMELLIA_RL1(dw); |
| 690 | CAMELLIA_SUBKEY_L(18) = tl ^ SUBL(19); /* round 13 */ |
| 691 | CAMELLIA_SUBKEY_R(18) = tr ^ SUBR(19); |
| 692 | CAMELLIA_SUBKEY_L(19) = SUBL(18) ^ SUBL(20); /* round 14 */ |
| 693 | CAMELLIA_SUBKEY_R(19) = SUBR(18) ^ SUBR(20); |
| 694 | CAMELLIA_SUBKEY_L(20) = SUBL(19) ^ SUBL(21); /* round 15 */ |
| 695 | CAMELLIA_SUBKEY_R(20) = SUBR(19) ^ SUBR(21); |
| 696 | CAMELLIA_SUBKEY_L(21) = SUBL(20) ^ SUBL(22); /* round 16 */ |
| 697 | CAMELLIA_SUBKEY_R(21) = SUBR(20) ^ SUBR(22); |
| 698 | CAMELLIA_SUBKEY_L(22) = SUBL(21) ^ SUBL(23); /* round 17 */ |
| 699 | CAMELLIA_SUBKEY_R(22) = SUBR(21) ^ SUBR(23); |
| 700 | CAMELLIA_SUBKEY_L(23) = SUBL(22); /* round 18 */ |
| 701 | CAMELLIA_SUBKEY_R(23) = SUBR(22); |
| 702 | CAMELLIA_SUBKEY_L(24) = SUBL(24) ^ SUBL(23); /* kw3 */ |
| 703 | CAMELLIA_SUBKEY_R(24) = SUBR(24) ^ SUBR(23); |
| 704 | |
| 705 | /* apply the inverse of the last half of P-function */ |
| 706 | dw = CAMELLIA_SUBKEY_L(2) ^ CAMELLIA_SUBKEY_R(2), |
| 707 | dw = CAMELLIA_RL8(dw);/* round 1 */ |
| 708 | CAMELLIA_SUBKEY_R(2) = CAMELLIA_SUBKEY_L(2) ^ dw, |
| 709 | CAMELLIA_SUBKEY_L(2) = dw; |
| 710 | dw = CAMELLIA_SUBKEY_L(3) ^ CAMELLIA_SUBKEY_R(3), |
| 711 | dw = CAMELLIA_RL8(dw);/* round 2 */ |
| 712 | CAMELLIA_SUBKEY_R(3) = CAMELLIA_SUBKEY_L(3) ^ dw, |
| 713 | CAMELLIA_SUBKEY_L(3) = dw; |
| 714 | dw = CAMELLIA_SUBKEY_L(4) ^ CAMELLIA_SUBKEY_R(4), |
| 715 | dw = CAMELLIA_RL8(dw);/* round 3 */ |
| 716 | CAMELLIA_SUBKEY_R(4) = CAMELLIA_SUBKEY_L(4) ^ dw, |
| 717 | CAMELLIA_SUBKEY_L(4) = dw; |
| 718 | dw = CAMELLIA_SUBKEY_L(5) ^ CAMELLIA_SUBKEY_R(5), |
| 719 | dw = CAMELLIA_RL8(dw);/* round 4 */ |
| 720 | CAMELLIA_SUBKEY_R(5) = CAMELLIA_SUBKEY_L(5) ^ dw, |
| 721 | CAMELLIA_SUBKEY_L(5) = dw; |
| 722 | dw = CAMELLIA_SUBKEY_L(6) ^ CAMELLIA_SUBKEY_R(6), |
| 723 | dw = CAMELLIA_RL8(dw);/* round 5 */ |
| 724 | CAMELLIA_SUBKEY_R(6) = CAMELLIA_SUBKEY_L(6) ^ dw, |
| 725 | CAMELLIA_SUBKEY_L(6) = dw; |
| 726 | dw = CAMELLIA_SUBKEY_L(7) ^ CAMELLIA_SUBKEY_R(7), |
| 727 | dw = CAMELLIA_RL8(dw);/* round 6 */ |
| 728 | CAMELLIA_SUBKEY_R(7) = CAMELLIA_SUBKEY_L(7) ^ dw, |
| 729 | CAMELLIA_SUBKEY_L(7) = dw; |
| 730 | dw = CAMELLIA_SUBKEY_L(10) ^ CAMELLIA_SUBKEY_R(10), |
| 731 | dw = CAMELLIA_RL8(dw);/* round 7 */ |
| 732 | CAMELLIA_SUBKEY_R(10) = CAMELLIA_SUBKEY_L(10) ^ dw, |
| 733 | CAMELLIA_SUBKEY_L(10) = dw; |
| 734 | dw = CAMELLIA_SUBKEY_L(11) ^ CAMELLIA_SUBKEY_R(11), |
| 735 | dw = CAMELLIA_RL8(dw);/* round 8 */ |
| 736 | CAMELLIA_SUBKEY_R(11) = CAMELLIA_SUBKEY_L(11) ^ dw, |
| 737 | CAMELLIA_SUBKEY_L(11) = dw; |
| 738 | dw = CAMELLIA_SUBKEY_L(12) ^ CAMELLIA_SUBKEY_R(12), |
| 739 | dw = CAMELLIA_RL8(dw);/* round 9 */ |
| 740 | CAMELLIA_SUBKEY_R(12) = CAMELLIA_SUBKEY_L(12) ^ dw, |
| 741 | CAMELLIA_SUBKEY_L(12) = dw; |
| 742 | dw = CAMELLIA_SUBKEY_L(13) ^ CAMELLIA_SUBKEY_R(13), |
| 743 | dw = CAMELLIA_RL8(dw);/* round 10 */ |
| 744 | CAMELLIA_SUBKEY_R(13) = CAMELLIA_SUBKEY_L(13) ^ dw, |
| 745 | CAMELLIA_SUBKEY_L(13) = dw; |
| 746 | dw = CAMELLIA_SUBKEY_L(14) ^ CAMELLIA_SUBKEY_R(14), |
| 747 | dw = CAMELLIA_RL8(dw);/* round 11 */ |
| 748 | CAMELLIA_SUBKEY_R(14) = CAMELLIA_SUBKEY_L(14) ^ dw, |
| 749 | CAMELLIA_SUBKEY_L(14) = dw; |
| 750 | dw = CAMELLIA_SUBKEY_L(15) ^ CAMELLIA_SUBKEY_R(15), |
| 751 | dw = CAMELLIA_RL8(dw);/* round 12 */ |
| 752 | CAMELLIA_SUBKEY_R(15) = CAMELLIA_SUBKEY_L(15) ^ dw, |
| 753 | CAMELLIA_SUBKEY_L(15) = dw; |
| 754 | dw = CAMELLIA_SUBKEY_L(18) ^ CAMELLIA_SUBKEY_R(18), |
| 755 | dw = CAMELLIA_RL8(dw);/* round 13 */ |
| 756 | CAMELLIA_SUBKEY_R(18) = CAMELLIA_SUBKEY_L(18) ^ dw, |
| 757 | CAMELLIA_SUBKEY_L(18) = dw; |
| 758 | dw = CAMELLIA_SUBKEY_L(19) ^ CAMELLIA_SUBKEY_R(19), |
| 759 | dw = CAMELLIA_RL8(dw);/* round 14 */ |
| 760 | CAMELLIA_SUBKEY_R(19) = CAMELLIA_SUBKEY_L(19) ^ dw, |
| 761 | CAMELLIA_SUBKEY_L(19) = dw; |
| 762 | dw = CAMELLIA_SUBKEY_L(20) ^ CAMELLIA_SUBKEY_R(20), |
| 763 | dw = CAMELLIA_RL8(dw);/* round 15 */ |
| 764 | CAMELLIA_SUBKEY_R(20) = CAMELLIA_SUBKEY_L(20) ^ dw, |
| 765 | CAMELLIA_SUBKEY_L(20) = dw; |
| 766 | dw = CAMELLIA_SUBKEY_L(21) ^ CAMELLIA_SUBKEY_R(21), |
| 767 | dw = CAMELLIA_RL8(dw);/* round 16 */ |
| 768 | CAMELLIA_SUBKEY_R(21) = CAMELLIA_SUBKEY_L(21) ^ dw, |
| 769 | CAMELLIA_SUBKEY_L(21) = dw; |
| 770 | dw = CAMELLIA_SUBKEY_L(22) ^ CAMELLIA_SUBKEY_R(22), |
| 771 | dw = CAMELLIA_RL8(dw);/* round 17 */ |
| 772 | CAMELLIA_SUBKEY_R(22) = CAMELLIA_SUBKEY_L(22) ^ dw, |
| 773 | CAMELLIA_SUBKEY_L(22) = dw; |
| 774 | dw = CAMELLIA_SUBKEY_L(23) ^ CAMELLIA_SUBKEY_R(23), |
| 775 | dw = CAMELLIA_RL8(dw);/* round 18 */ |
| 776 | CAMELLIA_SUBKEY_R(23) = CAMELLIA_SUBKEY_L(23) ^ dw, |
| 777 | CAMELLIA_SUBKEY_L(23) = dw; |
| 778 | |
| 779 | return; |
| 780 | } |
| 781 | |
| 782 | |
| 783 | static void camellia_setup256(const unsigned char *key, u32 *subkey) |
| 784 | { |
| 785 | u32 kll,klr,krl,krr; /* left half of key */ |
| 786 | u32 krll,krlr,krrl,krrr; /* right half of key */ |
| 787 | u32 il, ir, t0, t1, w0, w1; /* temporary variables */ |
| 788 | u32 kw4l, kw4r, dw, tl, tr; |
| 789 | u32 subL[34]; |
| 790 | u32 subR[34]; |
| 791 | |
| 792 | /** |
| 793 | * key = (kll || klr || krl || krr || krll || krlr || krrl || krrr) |
| 794 | * (|| is concatination) |
| 795 | */ |
| 796 | |
| 797 | kll = GETU32(key ); |
| 798 | klr = GETU32(key + 4); |
| 799 | krl = GETU32(key + 8); |
| 800 | krr = GETU32(key + 12); |
| 801 | krll = GETU32(key + 16); |
| 802 | krlr = GETU32(key + 20); |
| 803 | krrl = GETU32(key + 24); |
| 804 | krrr = GETU32(key + 28); |
| 805 | |
| 806 | /* generate KL dependent subkeys */ |
| 807 | /* kw1 */ |
| 808 | SUBL(0) = kll; SUBR(0) = klr; |
| 809 | /* kw2 */ |
| 810 | SUBL(1) = krl; SUBR(1) = krr; |
| 811 | CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 45); |
| 812 | /* k9 */ |
| 813 | SUBL(12) = kll; SUBR(12) = klr; |
| 814 | /* k10 */ |
| 815 | SUBL(13) = krl; SUBR(13) = krr; |
| 816 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| 817 | /* kl3 */ |
| 818 | SUBL(16) = kll; SUBR(16) = klr; |
| 819 | /* kl4 */ |
| 820 | SUBL(17) = krl; SUBR(17) = krr; |
| 821 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
| 822 | /* k17 */ |
| 823 | SUBL(22) = kll; SUBR(22) = klr; |
| 824 | /* k18 */ |
| 825 | SUBL(23) = krl; SUBR(23) = krr; |
| 826 | CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34); |
| 827 | /* k23 */ |
| 828 | SUBL(30) = kll; SUBR(30) = klr; |
| 829 | /* k24 */ |
| 830 | SUBL(31) = krl; SUBR(31) = krr; |
| 831 | |
| 832 | /* generate KR dependent subkeys */ |
| 833 | CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); |
| 834 | /* k3 */ |
| 835 | SUBL(4) = krll; SUBR(4) = krlr; |
| 836 | /* k4 */ |
| 837 | SUBL(5) = krrl; SUBR(5) = krrr; |
| 838 | CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); |
| 839 | /* kl1 */ |
| 840 | SUBL(8) = krll; SUBR(8) = krlr; |
| 841 | /* kl2 */ |
| 842 | SUBL(9) = krrl; SUBR(9) = krrr; |
| 843 | CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
| 844 | /* k13 */ |
| 845 | SUBL(18) = krll; SUBR(18) = krlr; |
| 846 | /* k14 */ |
| 847 | SUBL(19) = krrl; SUBR(19) = krrr; |
| 848 | CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); |
| 849 | /* k19 */ |
| 850 | SUBL(26) = krll; SUBR(26) = krlr; |
| 851 | /* k20 */ |
| 852 | SUBL(27) = krrl; SUBR(27) = krrr; |
| 853 | CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); |
| 854 | |
| 855 | /* generate KA */ |
| 856 | kll = SUBL(0) ^ krll; klr = SUBR(0) ^ krlr; |
| 857 | krl = SUBL(1) ^ krrl; krr = SUBR(1) ^ krrr; |
| 858 | CAMELLIA_F(kll, klr, |
| 859 | CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R, |
| 860 | w0, w1, il, ir, t0, t1); |
| 861 | krl ^= w0; krr ^= w1; |
| 862 | CAMELLIA_F(krl, krr, |
| 863 | CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R, |
| 864 | kll, klr, il, ir, t0, t1); |
| 865 | kll ^= krll; klr ^= krlr; |
| 866 | CAMELLIA_F(kll, klr, |
| 867 | CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R, |
| 868 | krl, krr, il, ir, t0, t1); |
| 869 | krl ^= w0 ^ krrl; krr ^= w1 ^ krrr; |
| 870 | CAMELLIA_F(krl, krr, |
| 871 | CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R, |
| 872 | w0, w1, il, ir, t0, t1); |
| 873 | kll ^= w0; klr ^= w1; |
| 874 | |
| 875 | /* generate KB */ |
| 876 | krll ^= kll; krlr ^= klr; |
| 877 | krrl ^= krl; krrr ^= krr; |
| 878 | CAMELLIA_F(krll, krlr, |
| 879 | CAMELLIA_SIGMA5L, CAMELLIA_SIGMA5R, |
| 880 | w0, w1, il, ir, t0, t1); |
| 881 | krrl ^= w0; krrr ^= w1; |
| 882 | CAMELLIA_F(krrl, krrr, |
| 883 | CAMELLIA_SIGMA6L, CAMELLIA_SIGMA6R, |
| 884 | w0, w1, il, ir, t0, t1); |
| 885 | krll ^= w0; krlr ^= w1; |
| 886 | |
| 887 | /* generate KA dependent subkeys */ |
| 888 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| 889 | /* k5 */ |
| 890 | SUBL(6) = kll; SUBR(6) = klr; |
| 891 | /* k6 */ |
| 892 | SUBL(7) = krl; SUBR(7) = krr; |
| 893 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30); |
| 894 | /* k11 */ |
| 895 | SUBL(14) = kll; SUBR(14) = klr; |
| 896 | /* k12 */ |
| 897 | SUBL(15) = krl; SUBR(15) = krr; |
| 898 | /* rotation left shift 32bit */ |
| 899 | /* kl5 */ |
| 900 | SUBL(24) = klr; SUBR(24) = krl; |
| 901 | /* kl6 */ |
| 902 | SUBL(25) = krr; SUBR(25) = kll; |
| 903 | /* rotation left shift 49 from k11,k12 -> k21,k22 */ |
| 904 | CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 49); |
| 905 | /* k21 */ |
| 906 | SUBL(28) = kll; SUBR(28) = klr; |
| 907 | /* k22 */ |
| 908 | SUBL(29) = krl; SUBR(29) = krr; |
| 909 | |
| 910 | /* generate KB dependent subkeys */ |
| 911 | /* k1 */ |
| 912 | SUBL(2) = krll; SUBR(2) = krlr; |
| 913 | /* k2 */ |
| 914 | SUBL(3) = krrl; SUBR(3) = krrr; |
| 915 | CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
| 916 | /* k7 */ |
| 917 | SUBL(10) = krll; SUBR(10) = krlr; |
| 918 | /* k8 */ |
| 919 | SUBL(11) = krrl; SUBR(11) = krrr; |
| 920 | CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
| 921 | /* k15 */ |
| 922 | SUBL(20) = krll; SUBR(20) = krlr; |
| 923 | /* k16 */ |
| 924 | SUBL(21) = krrl; SUBR(21) = krrr; |
| 925 | CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 51); |
| 926 | /* kw3 */ |
| 927 | SUBL(32) = krll; SUBR(32) = krlr; |
| 928 | /* kw4 */ |
| 929 | SUBL(33) = krrl; SUBR(33) = krrr; |
| 930 | |
| 931 | /* absorb kw2 to other subkeys */ |
| 932 | /* round 2 */ |
| 933 | SUBL(3) ^= SUBL(1); SUBR(3) ^= SUBR(1); |
| 934 | /* round 4 */ |
| 935 | SUBL(5) ^= SUBL(1); SUBR(5) ^= SUBR(1); |
| 936 | /* round 6 */ |
| 937 | SUBL(7) ^= SUBL(1); SUBR(7) ^= SUBR(1); |
| 938 | SUBL(1) ^= SUBR(1) & ~SUBR(9); |
| 939 | dw = SUBL(1) & SUBL(9), |
| 940 | SUBR(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl2) */ |
| 941 | /* round 8 */ |
| 942 | SUBL(11) ^= SUBL(1); SUBR(11) ^= SUBR(1); |
| 943 | /* round 10 */ |
| 944 | SUBL(13) ^= SUBL(1); SUBR(13) ^= SUBR(1); |
| 945 | /* round 12 */ |
| 946 | SUBL(15) ^= SUBL(1); SUBR(15) ^= SUBR(1); |
| 947 | SUBL(1) ^= SUBR(1) & ~SUBR(17); |
| 948 | dw = SUBL(1) & SUBL(17), |
| 949 | SUBR(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl4) */ |
| 950 | /* round 14 */ |
| 951 | SUBL(19) ^= SUBL(1); SUBR(19) ^= SUBR(1); |
| 952 | /* round 16 */ |
| 953 | SUBL(21) ^= SUBL(1); SUBR(21) ^= SUBR(1); |
| 954 | /* round 18 */ |
| 955 | SUBL(23) ^= SUBL(1); SUBR(23) ^= SUBR(1); |
| 956 | SUBL(1) ^= SUBR(1) & ~SUBR(25); |
| 957 | dw = SUBL(1) & SUBL(25), |
| 958 | SUBR(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl6) */ |
| 959 | /* round 20 */ |
| 960 | SUBL(27) ^= SUBL(1); SUBR(27) ^= SUBR(1); |
| 961 | /* round 22 */ |
| 962 | SUBL(29) ^= SUBL(1); SUBR(29) ^= SUBR(1); |
| 963 | /* round 24 */ |
| 964 | SUBL(31) ^= SUBL(1); SUBR(31) ^= SUBR(1); |
| 965 | /* kw3 */ |
| 966 | SUBL(32) ^= SUBL(1); SUBR(32) ^= SUBR(1); |
| 967 | |
| 968 | |
| 969 | /* absorb kw4 to other subkeys */ |
| 970 | kw4l = SUBL(33); kw4r = SUBR(33); |
| 971 | /* round 23 */ |
| 972 | SUBL(30) ^= kw4l; SUBR(30) ^= kw4r; |
| 973 | /* round 21 */ |
| 974 | SUBL(28) ^= kw4l; SUBR(28) ^= kw4r; |
| 975 | /* round 19 */ |
| 976 | SUBL(26) ^= kw4l; SUBR(26) ^= kw4r; |
| 977 | kw4l ^= kw4r & ~SUBR(24); |
| 978 | dw = kw4l & SUBL(24), |
| 979 | kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl5) */ |
| 980 | /* round 17 */ |
| 981 | SUBL(22) ^= kw4l; SUBR(22) ^= kw4r; |
| 982 | /* round 15 */ |
| 983 | SUBL(20) ^= kw4l; SUBR(20) ^= kw4r; |
| 984 | /* round 13 */ |
| 985 | SUBL(18) ^= kw4l; SUBR(18) ^= kw4r; |
| 986 | kw4l ^= kw4r & ~SUBR(16); |
| 987 | dw = kw4l & SUBL(16), |
| 988 | kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl3) */ |
| 989 | /* round 11 */ |
| 990 | SUBL(14) ^= kw4l; SUBR(14) ^= kw4r; |
| 991 | /* round 9 */ |
| 992 | SUBL(12) ^= kw4l; SUBR(12) ^= kw4r; |
| 993 | /* round 7 */ |
| 994 | SUBL(10) ^= kw4l; SUBR(10) ^= kw4r; |
| 995 | kw4l ^= kw4r & ~SUBR(8); |
| 996 | dw = kw4l & SUBL(8), |
| 997 | kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl1) */ |
| 998 | /* round 5 */ |
| 999 | SUBL(6) ^= kw4l; SUBR(6) ^= kw4r; |
| 1000 | /* round 3 */ |
| 1001 | SUBL(4) ^= kw4l; SUBR(4) ^= kw4r; |
| 1002 | /* round 1 */ |
| 1003 | SUBL(2) ^= kw4l; SUBR(2) ^= kw4r; |
| 1004 | /* kw1 */ |
| 1005 | SUBL(0) ^= kw4l; SUBR(0) ^= kw4r; |
| 1006 | |
| 1007 | /* key XOR is end of F-function */ |
| 1008 | CAMELLIA_SUBKEY_L(0) = SUBL(0) ^ SUBL(2);/* kw1 */ |
| 1009 | CAMELLIA_SUBKEY_R(0) = SUBR(0) ^ SUBR(2); |
| 1010 | CAMELLIA_SUBKEY_L(2) = SUBL(3); /* round 1 */ |
| 1011 | CAMELLIA_SUBKEY_R(2) = SUBR(3); |
| 1012 | CAMELLIA_SUBKEY_L(3) = SUBL(2) ^ SUBL(4); /* round 2 */ |
| 1013 | CAMELLIA_SUBKEY_R(3) = SUBR(2) ^ SUBR(4); |
| 1014 | CAMELLIA_SUBKEY_L(4) = SUBL(3) ^ SUBL(5); /* round 3 */ |
| 1015 | CAMELLIA_SUBKEY_R(4) = SUBR(3) ^ SUBR(5); |
| 1016 | CAMELLIA_SUBKEY_L(5) = SUBL(4) ^ SUBL(6); /* round 4 */ |
| 1017 | CAMELLIA_SUBKEY_R(5) = SUBR(4) ^ SUBR(6); |
| 1018 | CAMELLIA_SUBKEY_L(6) = SUBL(5) ^ SUBL(7); /* round 5 */ |
| 1019 | CAMELLIA_SUBKEY_R(6) = SUBR(5) ^ SUBR(7); |
| 1020 | tl = SUBL(10) ^ (SUBR(10) & ~SUBR(8)); |
| 1021 | dw = tl & SUBL(8), /* FL(kl1) */ |
| 1022 | tr = SUBR(10) ^ CAMELLIA_RL1(dw); |
| 1023 | CAMELLIA_SUBKEY_L(7) = SUBL(6) ^ tl; /* round 6 */ |
| 1024 | CAMELLIA_SUBKEY_R(7) = SUBR(6) ^ tr; |
| 1025 | CAMELLIA_SUBKEY_L(8) = SUBL(8); /* FL(kl1) */ |
| 1026 | CAMELLIA_SUBKEY_R(8) = SUBR(8); |
| 1027 | CAMELLIA_SUBKEY_L(9) = SUBL(9); /* FLinv(kl2) */ |
| 1028 | CAMELLIA_SUBKEY_R(9) = SUBR(9); |
| 1029 | tl = SUBL(7) ^ (SUBR(7) & ~SUBR(9)); |
| 1030 | dw = tl & SUBL(9), /* FLinv(kl2) */ |
| 1031 | tr = SUBR(7) ^ CAMELLIA_RL1(dw); |
| 1032 | CAMELLIA_SUBKEY_L(10) = tl ^ SUBL(11); /* round 7 */ |
| 1033 | CAMELLIA_SUBKEY_R(10) = tr ^ SUBR(11); |
| 1034 | CAMELLIA_SUBKEY_L(11) = SUBL(10) ^ SUBL(12); /* round 8 */ |
| 1035 | CAMELLIA_SUBKEY_R(11) = SUBR(10) ^ SUBR(12); |
| 1036 | CAMELLIA_SUBKEY_L(12) = SUBL(11) ^ SUBL(13); /* round 9 */ |
| 1037 | CAMELLIA_SUBKEY_R(12) = SUBR(11) ^ SUBR(13); |
| 1038 | CAMELLIA_SUBKEY_L(13) = SUBL(12) ^ SUBL(14); /* round 10 */ |
| 1039 | CAMELLIA_SUBKEY_R(13) = SUBR(12) ^ SUBR(14); |
| 1040 | CAMELLIA_SUBKEY_L(14) = SUBL(13) ^ SUBL(15); /* round 11 */ |
| 1041 | CAMELLIA_SUBKEY_R(14) = SUBR(13) ^ SUBR(15); |
| 1042 | tl = SUBL(18) ^ (SUBR(18) & ~SUBR(16)); |
| 1043 | dw = tl & SUBL(16), /* FL(kl3) */ |
| 1044 | tr = SUBR(18) ^ CAMELLIA_RL1(dw); |
| 1045 | CAMELLIA_SUBKEY_L(15) = SUBL(14) ^ tl; /* round 12 */ |
| 1046 | CAMELLIA_SUBKEY_R(15) = SUBR(14) ^ tr; |
| 1047 | CAMELLIA_SUBKEY_L(16) = SUBL(16); /* FL(kl3) */ |
| 1048 | CAMELLIA_SUBKEY_R(16) = SUBR(16); |
| 1049 | CAMELLIA_SUBKEY_L(17) = SUBL(17); /* FLinv(kl4) */ |
| 1050 | CAMELLIA_SUBKEY_R(17) = SUBR(17); |
| 1051 | tl = SUBL(15) ^ (SUBR(15) & ~SUBR(17)); |
| 1052 | dw = tl & SUBL(17), /* FLinv(kl4) */ |
| 1053 | tr = SUBR(15) ^ CAMELLIA_RL1(dw); |
| 1054 | CAMELLIA_SUBKEY_L(18) = tl ^ SUBL(19); /* round 13 */ |
| 1055 | CAMELLIA_SUBKEY_R(18) = tr ^ SUBR(19); |
| 1056 | CAMELLIA_SUBKEY_L(19) = SUBL(18) ^ SUBL(20); /* round 14 */ |
| 1057 | CAMELLIA_SUBKEY_R(19) = SUBR(18) ^ SUBR(20); |
| 1058 | CAMELLIA_SUBKEY_L(20) = SUBL(19) ^ SUBL(21); /* round 15 */ |
| 1059 | CAMELLIA_SUBKEY_R(20) = SUBR(19) ^ SUBR(21); |
| 1060 | CAMELLIA_SUBKEY_L(21) = SUBL(20) ^ SUBL(22); /* round 16 */ |
| 1061 | CAMELLIA_SUBKEY_R(21) = SUBR(20) ^ SUBR(22); |
| 1062 | CAMELLIA_SUBKEY_L(22) = SUBL(21) ^ SUBL(23); /* round 17 */ |
| 1063 | CAMELLIA_SUBKEY_R(22) = SUBR(21) ^ SUBR(23); |
| 1064 | tl = SUBL(26) ^ (SUBR(26) |
| 1065 | & ~SUBR(24)); |
| 1066 | dw = tl & SUBL(24), /* FL(kl5) */ |
| 1067 | tr = SUBR(26) ^ CAMELLIA_RL1(dw); |
| 1068 | CAMELLIA_SUBKEY_L(23) = SUBL(22) ^ tl; /* round 18 */ |
| 1069 | CAMELLIA_SUBKEY_R(23) = SUBR(22) ^ tr; |
| 1070 | CAMELLIA_SUBKEY_L(24) = SUBL(24); /* FL(kl5) */ |
| 1071 | CAMELLIA_SUBKEY_R(24) = SUBR(24); |
| 1072 | CAMELLIA_SUBKEY_L(25) = SUBL(25); /* FLinv(kl6) */ |
| 1073 | CAMELLIA_SUBKEY_R(25) = SUBR(25); |
| 1074 | tl = SUBL(23) ^ (SUBR(23) & |
| 1075 | ~SUBR(25)); |
| 1076 | dw = tl & SUBL(25), /* FLinv(kl6) */ |
| 1077 | tr = SUBR(23) ^ CAMELLIA_RL1(dw); |
| 1078 | CAMELLIA_SUBKEY_L(26) = tl ^ SUBL(27); /* round 19 */ |
| 1079 | CAMELLIA_SUBKEY_R(26) = tr ^ SUBR(27); |
| 1080 | CAMELLIA_SUBKEY_L(27) = SUBL(26) ^ SUBL(28); /* round 20 */ |
| 1081 | CAMELLIA_SUBKEY_R(27) = SUBR(26) ^ SUBR(28); |
| 1082 | CAMELLIA_SUBKEY_L(28) = SUBL(27) ^ SUBL(29); /* round 21 */ |
| 1083 | CAMELLIA_SUBKEY_R(28) = SUBR(27) ^ SUBR(29); |
| 1084 | CAMELLIA_SUBKEY_L(29) = SUBL(28) ^ SUBL(30); /* round 22 */ |
| 1085 | CAMELLIA_SUBKEY_R(29) = SUBR(28) ^ SUBR(30); |
| 1086 | CAMELLIA_SUBKEY_L(30) = SUBL(29) ^ SUBL(31); /* round 23 */ |
| 1087 | CAMELLIA_SUBKEY_R(30) = SUBR(29) ^ SUBR(31); |
| 1088 | CAMELLIA_SUBKEY_L(31) = SUBL(30); /* round 24 */ |
| 1089 | CAMELLIA_SUBKEY_R(31) = SUBR(30); |
| 1090 | CAMELLIA_SUBKEY_L(32) = SUBL(32) ^ SUBL(31); /* kw3 */ |
| 1091 | CAMELLIA_SUBKEY_R(32) = SUBR(32) ^ SUBR(31); |
| 1092 | |
| 1093 | /* apply the inverse of the last half of P-function */ |
| 1094 | dw = CAMELLIA_SUBKEY_L(2) ^ CAMELLIA_SUBKEY_R(2), |
| 1095 | dw = CAMELLIA_RL8(dw);/* round 1 */ |
| 1096 | CAMELLIA_SUBKEY_R(2) = CAMELLIA_SUBKEY_L(2) ^ dw, |
| 1097 | CAMELLIA_SUBKEY_L(2) = dw; |
| 1098 | dw = CAMELLIA_SUBKEY_L(3) ^ CAMELLIA_SUBKEY_R(3), |
| 1099 | dw = CAMELLIA_RL8(dw);/* round 2 */ |
| 1100 | CAMELLIA_SUBKEY_R(3) = CAMELLIA_SUBKEY_L(3) ^ dw, |
| 1101 | CAMELLIA_SUBKEY_L(3) = dw; |
| 1102 | dw = CAMELLIA_SUBKEY_L(4) ^ CAMELLIA_SUBKEY_R(4), |
| 1103 | dw = CAMELLIA_RL8(dw);/* round 3 */ |
| 1104 | CAMELLIA_SUBKEY_R(4) = CAMELLIA_SUBKEY_L(4) ^ dw, |
| 1105 | CAMELLIA_SUBKEY_L(4) = dw; |
| 1106 | dw = CAMELLIA_SUBKEY_L(5) ^ CAMELLIA_SUBKEY_R(5), |
| 1107 | dw = CAMELLIA_RL8(dw);/* round 4 */ |
| 1108 | CAMELLIA_SUBKEY_R(5) = CAMELLIA_SUBKEY_L(5) ^ dw, |
| 1109 | CAMELLIA_SUBKEY_L(5) = dw; |
| 1110 | dw = CAMELLIA_SUBKEY_L(6) ^ CAMELLIA_SUBKEY_R(6), |
| 1111 | dw = CAMELLIA_RL8(dw);/* round 5 */ |
| 1112 | CAMELLIA_SUBKEY_R(6) = CAMELLIA_SUBKEY_L(6) ^ dw, |
| 1113 | CAMELLIA_SUBKEY_L(6) = dw; |
| 1114 | dw = CAMELLIA_SUBKEY_L(7) ^ CAMELLIA_SUBKEY_R(7), |
| 1115 | dw = CAMELLIA_RL8(dw);/* round 6 */ |
| 1116 | CAMELLIA_SUBKEY_R(7) = CAMELLIA_SUBKEY_L(7) ^ dw, |
| 1117 | CAMELLIA_SUBKEY_L(7) = dw; |
| 1118 | dw = CAMELLIA_SUBKEY_L(10) ^ CAMELLIA_SUBKEY_R(10), |
| 1119 | dw = CAMELLIA_RL8(dw);/* round 7 */ |
| 1120 | CAMELLIA_SUBKEY_R(10) = CAMELLIA_SUBKEY_L(10) ^ dw, |
| 1121 | CAMELLIA_SUBKEY_L(10) = dw; |
| 1122 | dw = CAMELLIA_SUBKEY_L(11) ^ CAMELLIA_SUBKEY_R(11), |
| 1123 | dw = CAMELLIA_RL8(dw);/* round 8 */ |
| 1124 | CAMELLIA_SUBKEY_R(11) = CAMELLIA_SUBKEY_L(11) ^ dw, |
| 1125 | CAMELLIA_SUBKEY_L(11) = dw; |
| 1126 | dw = CAMELLIA_SUBKEY_L(12) ^ CAMELLIA_SUBKEY_R(12), |
| 1127 | dw = CAMELLIA_RL8(dw);/* round 9 */ |
| 1128 | CAMELLIA_SUBKEY_R(12) = CAMELLIA_SUBKEY_L(12) ^ dw, |
| 1129 | CAMELLIA_SUBKEY_L(12) = dw; |
| 1130 | dw = CAMELLIA_SUBKEY_L(13) ^ CAMELLIA_SUBKEY_R(13), |
| 1131 | dw = CAMELLIA_RL8(dw);/* round 10 */ |
| 1132 | CAMELLIA_SUBKEY_R(13) = CAMELLIA_SUBKEY_L(13) ^ dw, |
| 1133 | CAMELLIA_SUBKEY_L(13) = dw; |
| 1134 | dw = CAMELLIA_SUBKEY_L(14) ^ CAMELLIA_SUBKEY_R(14), |
| 1135 | dw = CAMELLIA_RL8(dw);/* round 11 */ |
| 1136 | CAMELLIA_SUBKEY_R(14) = CAMELLIA_SUBKEY_L(14) ^ dw, |
| 1137 | CAMELLIA_SUBKEY_L(14) = dw; |
| 1138 | dw = CAMELLIA_SUBKEY_L(15) ^ CAMELLIA_SUBKEY_R(15), |
| 1139 | dw = CAMELLIA_RL8(dw);/* round 12 */ |
| 1140 | CAMELLIA_SUBKEY_R(15) = CAMELLIA_SUBKEY_L(15) ^ dw, |
| 1141 | CAMELLIA_SUBKEY_L(15) = dw; |
| 1142 | dw = CAMELLIA_SUBKEY_L(18) ^ CAMELLIA_SUBKEY_R(18), |
| 1143 | dw = CAMELLIA_RL8(dw);/* round 13 */ |
| 1144 | CAMELLIA_SUBKEY_R(18) = CAMELLIA_SUBKEY_L(18) ^ dw, |
| 1145 | CAMELLIA_SUBKEY_L(18) = dw; |
| 1146 | dw = CAMELLIA_SUBKEY_L(19) ^ CAMELLIA_SUBKEY_R(19), |
| 1147 | dw = CAMELLIA_RL8(dw);/* round 14 */ |
| 1148 | CAMELLIA_SUBKEY_R(19) = CAMELLIA_SUBKEY_L(19) ^ dw, |
| 1149 | CAMELLIA_SUBKEY_L(19) = dw; |
| 1150 | dw = CAMELLIA_SUBKEY_L(20) ^ CAMELLIA_SUBKEY_R(20), |
| 1151 | dw = CAMELLIA_RL8(dw);/* round 15 */ |
| 1152 | CAMELLIA_SUBKEY_R(20) = CAMELLIA_SUBKEY_L(20) ^ dw, |
| 1153 | CAMELLIA_SUBKEY_L(20) = dw; |
| 1154 | dw = CAMELLIA_SUBKEY_L(21) ^ CAMELLIA_SUBKEY_R(21), |
| 1155 | dw = CAMELLIA_RL8(dw);/* round 16 */ |
| 1156 | CAMELLIA_SUBKEY_R(21) = CAMELLIA_SUBKEY_L(21) ^ dw, |
| 1157 | CAMELLIA_SUBKEY_L(21) = dw; |
| 1158 | dw = CAMELLIA_SUBKEY_L(22) ^ CAMELLIA_SUBKEY_R(22), |
| 1159 | dw = CAMELLIA_RL8(dw);/* round 17 */ |
| 1160 | CAMELLIA_SUBKEY_R(22) = CAMELLIA_SUBKEY_L(22) ^ dw, |
| 1161 | CAMELLIA_SUBKEY_L(22) = dw; |
| 1162 | dw = CAMELLIA_SUBKEY_L(23) ^ CAMELLIA_SUBKEY_R(23), |
| 1163 | dw = CAMELLIA_RL8(dw);/* round 18 */ |
| 1164 | CAMELLIA_SUBKEY_R(23) = CAMELLIA_SUBKEY_L(23) ^ dw, |
| 1165 | CAMELLIA_SUBKEY_L(23) = dw; |
| 1166 | dw = CAMELLIA_SUBKEY_L(26) ^ CAMELLIA_SUBKEY_R(26), |
| 1167 | dw = CAMELLIA_RL8(dw);/* round 19 */ |
| 1168 | CAMELLIA_SUBKEY_R(26) = CAMELLIA_SUBKEY_L(26) ^ dw, |
| 1169 | CAMELLIA_SUBKEY_L(26) = dw; |
| 1170 | dw = CAMELLIA_SUBKEY_L(27) ^ CAMELLIA_SUBKEY_R(27), |
| 1171 | dw = CAMELLIA_RL8(dw);/* round 20 */ |
| 1172 | CAMELLIA_SUBKEY_R(27) = CAMELLIA_SUBKEY_L(27) ^ dw, |
| 1173 | CAMELLIA_SUBKEY_L(27) = dw; |
| 1174 | dw = CAMELLIA_SUBKEY_L(28) ^ CAMELLIA_SUBKEY_R(28), |
| 1175 | dw = CAMELLIA_RL8(dw);/* round 21 */ |
| 1176 | CAMELLIA_SUBKEY_R(28) = CAMELLIA_SUBKEY_L(28) ^ dw, |
| 1177 | CAMELLIA_SUBKEY_L(28) = dw; |
| 1178 | dw = CAMELLIA_SUBKEY_L(29) ^ CAMELLIA_SUBKEY_R(29), |
| 1179 | dw = CAMELLIA_RL8(dw);/* round 22 */ |
| 1180 | CAMELLIA_SUBKEY_R(29) = CAMELLIA_SUBKEY_L(29) ^ dw, |
| 1181 | CAMELLIA_SUBKEY_L(29) = dw; |
| 1182 | dw = CAMELLIA_SUBKEY_L(30) ^ CAMELLIA_SUBKEY_R(30), |
| 1183 | dw = CAMELLIA_RL8(dw);/* round 23 */ |
| 1184 | CAMELLIA_SUBKEY_R(30) = CAMELLIA_SUBKEY_L(30) ^ dw, |
| 1185 | CAMELLIA_SUBKEY_L(30) = dw; |
| 1186 | dw = CAMELLIA_SUBKEY_L(31) ^ CAMELLIA_SUBKEY_R(31), |
| 1187 | dw = CAMELLIA_RL8(dw);/* round 24 */ |
| 1188 | CAMELLIA_SUBKEY_R(31) = CAMELLIA_SUBKEY_L(31) ^ dw, |
| 1189 | CAMELLIA_SUBKEY_L(31) = dw; |
| 1190 | |
| 1191 | return; |
| 1192 | } |
| 1193 | |
| 1194 | static void camellia_setup192(const unsigned char *key, u32 *subkey) |
| 1195 | { |
| 1196 | unsigned char kk[32]; |
| 1197 | u32 krll, krlr, krrl,krrr; |
| 1198 | |
| 1199 | memcpy(kk, key, 24); |
| 1200 | memcpy((unsigned char *)&krll, key+16,4); |
| 1201 | memcpy((unsigned char *)&krlr, key+20,4); |
| 1202 | krrl = ~krll; |
| 1203 | krrr = ~krlr; |
| 1204 | memcpy(kk+24, (unsigned char *)&krrl, 4); |
| 1205 | memcpy(kk+28, (unsigned char *)&krrr, 4); |
| 1206 | camellia_setup256(kk, subkey); |
| 1207 | return; |
| 1208 | } |
| 1209 | |
| 1210 | |
| 1211 | /** |
| 1212 | * Stuff related to camellia encryption/decryption |
| 1213 | */ |
| 1214 | static void camellia_encrypt128(const u32 *subkey, __be32 *io_text) |
| 1215 | { |
| 1216 | u32 il,ir,t0,t1; /* temporary valiables */ |
| 1217 | |
| 1218 | u32 io[4]; |
| 1219 | |
| 1220 | io[0] = be32_to_cpu(io_text[0]); |
| 1221 | io[1] = be32_to_cpu(io_text[1]); |
| 1222 | io[2] = be32_to_cpu(io_text[2]); |
| 1223 | io[3] = be32_to_cpu(io_text[3]); |
| 1224 | |
| 1225 | /* pre whitening but absorb kw2*/ |
| 1226 | io[0] ^= CAMELLIA_SUBKEY_L(0); |
| 1227 | io[1] ^= CAMELLIA_SUBKEY_R(0); |
| 1228 | /* main iteration */ |
| 1229 | |
| 1230 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1231 | CAMELLIA_SUBKEY_L(2),CAMELLIA_SUBKEY_R(2), |
| 1232 | io[2],io[3],il,ir,t0,t1); |
| 1233 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1234 | CAMELLIA_SUBKEY_L(3),CAMELLIA_SUBKEY_R(3), |
| 1235 | io[0],io[1],il,ir,t0,t1); |
| 1236 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1237 | CAMELLIA_SUBKEY_L(4),CAMELLIA_SUBKEY_R(4), |
| 1238 | io[2],io[3],il,ir,t0,t1); |
| 1239 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1240 | CAMELLIA_SUBKEY_L(5),CAMELLIA_SUBKEY_R(5), |
| 1241 | io[0],io[1],il,ir,t0,t1); |
| 1242 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1243 | CAMELLIA_SUBKEY_L(6),CAMELLIA_SUBKEY_R(6), |
| 1244 | io[2],io[3],il,ir,t0,t1); |
| 1245 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1246 | CAMELLIA_SUBKEY_L(7),CAMELLIA_SUBKEY_R(7), |
| 1247 | io[0],io[1],il,ir,t0,t1); |
| 1248 | |
| 1249 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
| 1250 | CAMELLIA_SUBKEY_L(8),CAMELLIA_SUBKEY_R(8), |
| 1251 | CAMELLIA_SUBKEY_L(9),CAMELLIA_SUBKEY_R(9), |
| 1252 | t0,t1,il,ir); |
| 1253 | |
| 1254 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1255 | CAMELLIA_SUBKEY_L(10),CAMELLIA_SUBKEY_R(10), |
| 1256 | io[2],io[3],il,ir,t0,t1); |
| 1257 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1258 | CAMELLIA_SUBKEY_L(11),CAMELLIA_SUBKEY_R(11), |
| 1259 | io[0],io[1],il,ir,t0,t1); |
| 1260 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1261 | CAMELLIA_SUBKEY_L(12),CAMELLIA_SUBKEY_R(12), |
| 1262 | io[2],io[3],il,ir,t0,t1); |
| 1263 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1264 | CAMELLIA_SUBKEY_L(13),CAMELLIA_SUBKEY_R(13), |
| 1265 | io[0],io[1],il,ir,t0,t1); |
| 1266 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1267 | CAMELLIA_SUBKEY_L(14),CAMELLIA_SUBKEY_R(14), |
| 1268 | io[2],io[3],il,ir,t0,t1); |
| 1269 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1270 | CAMELLIA_SUBKEY_L(15),CAMELLIA_SUBKEY_R(15), |
| 1271 | io[0],io[1],il,ir,t0,t1); |
| 1272 | |
| 1273 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
| 1274 | CAMELLIA_SUBKEY_L(16),CAMELLIA_SUBKEY_R(16), |
| 1275 | CAMELLIA_SUBKEY_L(17),CAMELLIA_SUBKEY_R(17), |
| 1276 | t0,t1,il,ir); |
| 1277 | |
| 1278 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1279 | CAMELLIA_SUBKEY_L(18),CAMELLIA_SUBKEY_R(18), |
| 1280 | io[2],io[3],il,ir,t0,t1); |
| 1281 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1282 | CAMELLIA_SUBKEY_L(19),CAMELLIA_SUBKEY_R(19), |
| 1283 | io[0],io[1],il,ir,t0,t1); |
| 1284 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1285 | CAMELLIA_SUBKEY_L(20),CAMELLIA_SUBKEY_R(20), |
| 1286 | io[2],io[3],il,ir,t0,t1); |
| 1287 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1288 | CAMELLIA_SUBKEY_L(21),CAMELLIA_SUBKEY_R(21), |
| 1289 | io[0],io[1],il,ir,t0,t1); |
| 1290 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1291 | CAMELLIA_SUBKEY_L(22),CAMELLIA_SUBKEY_R(22), |
| 1292 | io[2],io[3],il,ir,t0,t1); |
| 1293 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1294 | CAMELLIA_SUBKEY_L(23),CAMELLIA_SUBKEY_R(23), |
| 1295 | io[0],io[1],il,ir,t0,t1); |
| 1296 | |
| 1297 | /* post whitening but kw4 */ |
| 1298 | io[2] ^= CAMELLIA_SUBKEY_L(24); |
| 1299 | io[3] ^= CAMELLIA_SUBKEY_R(24); |
| 1300 | |
| 1301 | t0 = io[0]; |
| 1302 | t1 = io[1]; |
| 1303 | io[0] = io[2]; |
| 1304 | io[1] = io[3]; |
| 1305 | io[2] = t0; |
| 1306 | io[3] = t1; |
| 1307 | |
| 1308 | io_text[0] = cpu_to_be32(io[0]); |
| 1309 | io_text[1] = cpu_to_be32(io[1]); |
| 1310 | io_text[2] = cpu_to_be32(io[2]); |
| 1311 | io_text[3] = cpu_to_be32(io[3]); |
| 1312 | |
| 1313 | return; |
| 1314 | } |
| 1315 | |
| 1316 | static void camellia_decrypt128(const u32 *subkey, __be32 *io_text) |
| 1317 | { |
| 1318 | u32 il,ir,t0,t1; /* temporary valiables */ |
| 1319 | |
| 1320 | u32 io[4]; |
| 1321 | |
| 1322 | io[0] = be32_to_cpu(io_text[0]); |
| 1323 | io[1] = be32_to_cpu(io_text[1]); |
| 1324 | io[2] = be32_to_cpu(io_text[2]); |
| 1325 | io[3] = be32_to_cpu(io_text[3]); |
| 1326 | |
| 1327 | /* pre whitening but absorb kw2*/ |
| 1328 | io[0] ^= CAMELLIA_SUBKEY_L(24); |
| 1329 | io[1] ^= CAMELLIA_SUBKEY_R(24); |
| 1330 | |
| 1331 | /* main iteration */ |
| 1332 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1333 | CAMELLIA_SUBKEY_L(23),CAMELLIA_SUBKEY_R(23), |
| 1334 | io[2],io[3],il,ir,t0,t1); |
| 1335 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1336 | CAMELLIA_SUBKEY_L(22),CAMELLIA_SUBKEY_R(22), |
| 1337 | io[0],io[1],il,ir,t0,t1); |
| 1338 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1339 | CAMELLIA_SUBKEY_L(21),CAMELLIA_SUBKEY_R(21), |
| 1340 | io[2],io[3],il,ir,t0,t1); |
| 1341 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1342 | CAMELLIA_SUBKEY_L(20),CAMELLIA_SUBKEY_R(20), |
| 1343 | io[0],io[1],il,ir,t0,t1); |
| 1344 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1345 | CAMELLIA_SUBKEY_L(19),CAMELLIA_SUBKEY_R(19), |
| 1346 | io[2],io[3],il,ir,t0,t1); |
| 1347 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1348 | CAMELLIA_SUBKEY_L(18),CAMELLIA_SUBKEY_R(18), |
| 1349 | io[0],io[1],il,ir,t0,t1); |
| 1350 | |
| 1351 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
| 1352 | CAMELLIA_SUBKEY_L(17),CAMELLIA_SUBKEY_R(17), |
| 1353 | CAMELLIA_SUBKEY_L(16),CAMELLIA_SUBKEY_R(16), |
| 1354 | t0,t1,il,ir); |
| 1355 | |
| 1356 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1357 | CAMELLIA_SUBKEY_L(15),CAMELLIA_SUBKEY_R(15), |
| 1358 | io[2],io[3],il,ir,t0,t1); |
| 1359 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1360 | CAMELLIA_SUBKEY_L(14),CAMELLIA_SUBKEY_R(14), |
| 1361 | io[0],io[1],il,ir,t0,t1); |
| 1362 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1363 | CAMELLIA_SUBKEY_L(13),CAMELLIA_SUBKEY_R(13), |
| 1364 | io[2],io[3],il,ir,t0,t1); |
| 1365 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1366 | CAMELLIA_SUBKEY_L(12),CAMELLIA_SUBKEY_R(12), |
| 1367 | io[0],io[1],il,ir,t0,t1); |
| 1368 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1369 | CAMELLIA_SUBKEY_L(11),CAMELLIA_SUBKEY_R(11), |
| 1370 | io[2],io[3],il,ir,t0,t1); |
| 1371 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1372 | CAMELLIA_SUBKEY_L(10),CAMELLIA_SUBKEY_R(10), |
| 1373 | io[0],io[1],il,ir,t0,t1); |
| 1374 | |
| 1375 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
| 1376 | CAMELLIA_SUBKEY_L(9),CAMELLIA_SUBKEY_R(9), |
| 1377 | CAMELLIA_SUBKEY_L(8),CAMELLIA_SUBKEY_R(8), |
| 1378 | t0,t1,il,ir); |
| 1379 | |
| 1380 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1381 | CAMELLIA_SUBKEY_L(7),CAMELLIA_SUBKEY_R(7), |
| 1382 | io[2],io[3],il,ir,t0,t1); |
| 1383 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1384 | CAMELLIA_SUBKEY_L(6),CAMELLIA_SUBKEY_R(6), |
| 1385 | io[0],io[1],il,ir,t0,t1); |
| 1386 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1387 | CAMELLIA_SUBKEY_L(5),CAMELLIA_SUBKEY_R(5), |
| 1388 | io[2],io[3],il,ir,t0,t1); |
| 1389 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1390 | CAMELLIA_SUBKEY_L(4),CAMELLIA_SUBKEY_R(4), |
| 1391 | io[0],io[1],il,ir,t0,t1); |
| 1392 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1393 | CAMELLIA_SUBKEY_L(3),CAMELLIA_SUBKEY_R(3), |
| 1394 | io[2],io[3],il,ir,t0,t1); |
| 1395 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1396 | CAMELLIA_SUBKEY_L(2),CAMELLIA_SUBKEY_R(2), |
| 1397 | io[0],io[1],il,ir,t0,t1); |
| 1398 | |
| 1399 | /* post whitening but kw4 */ |
| 1400 | io[2] ^= CAMELLIA_SUBKEY_L(0); |
| 1401 | io[3] ^= CAMELLIA_SUBKEY_R(0); |
| 1402 | |
| 1403 | t0 = io[0]; |
| 1404 | t1 = io[1]; |
| 1405 | io[0] = io[2]; |
| 1406 | io[1] = io[3]; |
| 1407 | io[2] = t0; |
| 1408 | io[3] = t1; |
| 1409 | |
| 1410 | io_text[0] = cpu_to_be32(io[0]); |
| 1411 | io_text[1] = cpu_to_be32(io[1]); |
| 1412 | io_text[2] = cpu_to_be32(io[2]); |
| 1413 | io_text[3] = cpu_to_be32(io[3]); |
| 1414 | |
| 1415 | return; |
| 1416 | } |
| 1417 | |
| 1418 | |
| 1419 | /** |
| 1420 | * stuff for 192 and 256bit encryption/decryption |
| 1421 | */ |
| 1422 | static void camellia_encrypt256(const u32 *subkey, __be32 *io_text) |
| 1423 | { |
| 1424 | u32 il,ir,t0,t1; /* temporary valiables */ |
| 1425 | |
| 1426 | u32 io[4]; |
| 1427 | |
| 1428 | io[0] = be32_to_cpu(io_text[0]); |
| 1429 | io[1] = be32_to_cpu(io_text[1]); |
| 1430 | io[2] = be32_to_cpu(io_text[2]); |
| 1431 | io[3] = be32_to_cpu(io_text[3]); |
| 1432 | |
| 1433 | /* pre whitening but absorb kw2*/ |
| 1434 | io[0] ^= CAMELLIA_SUBKEY_L(0); |
| 1435 | io[1] ^= CAMELLIA_SUBKEY_R(0); |
| 1436 | |
| 1437 | /* main iteration */ |
| 1438 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1439 | CAMELLIA_SUBKEY_L(2),CAMELLIA_SUBKEY_R(2), |
| 1440 | io[2],io[3],il,ir,t0,t1); |
| 1441 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1442 | CAMELLIA_SUBKEY_L(3),CAMELLIA_SUBKEY_R(3), |
| 1443 | io[0],io[1],il,ir,t0,t1); |
| 1444 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1445 | CAMELLIA_SUBKEY_L(4),CAMELLIA_SUBKEY_R(4), |
| 1446 | io[2],io[3],il,ir,t0,t1); |
| 1447 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1448 | CAMELLIA_SUBKEY_L(5),CAMELLIA_SUBKEY_R(5), |
| 1449 | io[0],io[1],il,ir,t0,t1); |
| 1450 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1451 | CAMELLIA_SUBKEY_L(6),CAMELLIA_SUBKEY_R(6), |
| 1452 | io[2],io[3],il,ir,t0,t1); |
| 1453 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1454 | CAMELLIA_SUBKEY_L(7),CAMELLIA_SUBKEY_R(7), |
| 1455 | io[0],io[1],il,ir,t0,t1); |
| 1456 | |
| 1457 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
| 1458 | CAMELLIA_SUBKEY_L(8),CAMELLIA_SUBKEY_R(8), |
| 1459 | CAMELLIA_SUBKEY_L(9),CAMELLIA_SUBKEY_R(9), |
| 1460 | t0,t1,il,ir); |
| 1461 | |
| 1462 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1463 | CAMELLIA_SUBKEY_L(10),CAMELLIA_SUBKEY_R(10), |
| 1464 | io[2],io[3],il,ir,t0,t1); |
| 1465 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1466 | CAMELLIA_SUBKEY_L(11),CAMELLIA_SUBKEY_R(11), |
| 1467 | io[0],io[1],il,ir,t0,t1); |
| 1468 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1469 | CAMELLIA_SUBKEY_L(12),CAMELLIA_SUBKEY_R(12), |
| 1470 | io[2],io[3],il,ir,t0,t1); |
| 1471 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1472 | CAMELLIA_SUBKEY_L(13),CAMELLIA_SUBKEY_R(13), |
| 1473 | io[0],io[1],il,ir,t0,t1); |
| 1474 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1475 | CAMELLIA_SUBKEY_L(14),CAMELLIA_SUBKEY_R(14), |
| 1476 | io[2],io[3],il,ir,t0,t1); |
| 1477 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1478 | CAMELLIA_SUBKEY_L(15),CAMELLIA_SUBKEY_R(15), |
| 1479 | io[0],io[1],il,ir,t0,t1); |
| 1480 | |
| 1481 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
| 1482 | CAMELLIA_SUBKEY_L(16),CAMELLIA_SUBKEY_R(16), |
| 1483 | CAMELLIA_SUBKEY_L(17),CAMELLIA_SUBKEY_R(17), |
| 1484 | t0,t1,il,ir); |
| 1485 | |
| 1486 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1487 | CAMELLIA_SUBKEY_L(18),CAMELLIA_SUBKEY_R(18), |
| 1488 | io[2],io[3],il,ir,t0,t1); |
| 1489 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1490 | CAMELLIA_SUBKEY_L(19),CAMELLIA_SUBKEY_R(19), |
| 1491 | io[0],io[1],il,ir,t0,t1); |
| 1492 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1493 | CAMELLIA_SUBKEY_L(20),CAMELLIA_SUBKEY_R(20), |
| 1494 | io[2],io[3],il,ir,t0,t1); |
| 1495 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1496 | CAMELLIA_SUBKEY_L(21),CAMELLIA_SUBKEY_R(21), |
| 1497 | io[0],io[1],il,ir,t0,t1); |
| 1498 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1499 | CAMELLIA_SUBKEY_L(22),CAMELLIA_SUBKEY_R(22), |
| 1500 | io[2],io[3],il,ir,t0,t1); |
| 1501 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1502 | CAMELLIA_SUBKEY_L(23),CAMELLIA_SUBKEY_R(23), |
| 1503 | io[0],io[1],il,ir,t0,t1); |
| 1504 | |
| 1505 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
| 1506 | CAMELLIA_SUBKEY_L(24),CAMELLIA_SUBKEY_R(24), |
| 1507 | CAMELLIA_SUBKEY_L(25),CAMELLIA_SUBKEY_R(25), |
| 1508 | t0,t1,il,ir); |
| 1509 | |
| 1510 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1511 | CAMELLIA_SUBKEY_L(26),CAMELLIA_SUBKEY_R(26), |
| 1512 | io[2],io[3],il,ir,t0,t1); |
| 1513 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1514 | CAMELLIA_SUBKEY_L(27),CAMELLIA_SUBKEY_R(27), |
| 1515 | io[0],io[1],il,ir,t0,t1); |
| 1516 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1517 | CAMELLIA_SUBKEY_L(28),CAMELLIA_SUBKEY_R(28), |
| 1518 | io[2],io[3],il,ir,t0,t1); |
| 1519 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1520 | CAMELLIA_SUBKEY_L(29),CAMELLIA_SUBKEY_R(29), |
| 1521 | io[0],io[1],il,ir,t0,t1); |
| 1522 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1523 | CAMELLIA_SUBKEY_L(30),CAMELLIA_SUBKEY_R(30), |
| 1524 | io[2],io[3],il,ir,t0,t1); |
| 1525 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1526 | CAMELLIA_SUBKEY_L(31),CAMELLIA_SUBKEY_R(31), |
| 1527 | io[0],io[1],il,ir,t0,t1); |
| 1528 | |
| 1529 | /* post whitening but kw4 */ |
| 1530 | io[2] ^= CAMELLIA_SUBKEY_L(32); |
| 1531 | io[3] ^= CAMELLIA_SUBKEY_R(32); |
| 1532 | |
| 1533 | t0 = io[0]; |
| 1534 | t1 = io[1]; |
| 1535 | io[0] = io[2]; |
| 1536 | io[1] = io[3]; |
| 1537 | io[2] = t0; |
| 1538 | io[3] = t1; |
| 1539 | |
| 1540 | io_text[0] = cpu_to_be32(io[0]); |
| 1541 | io_text[1] = cpu_to_be32(io[1]); |
| 1542 | io_text[2] = cpu_to_be32(io[2]); |
| 1543 | io_text[3] = cpu_to_be32(io[3]); |
| 1544 | |
| 1545 | return; |
| 1546 | } |
| 1547 | |
| 1548 | |
| 1549 | static void camellia_decrypt256(const u32 *subkey, __be32 *io_text) |
| 1550 | { |
| 1551 | u32 il,ir,t0,t1; /* temporary valiables */ |
| 1552 | |
| 1553 | u32 io[4]; |
| 1554 | |
| 1555 | io[0] = be32_to_cpu(io_text[0]); |
| 1556 | io[1] = be32_to_cpu(io_text[1]); |
| 1557 | io[2] = be32_to_cpu(io_text[2]); |
| 1558 | io[3] = be32_to_cpu(io_text[3]); |
| 1559 | |
| 1560 | /* pre whitening but absorb kw2*/ |
| 1561 | io[0] ^= CAMELLIA_SUBKEY_L(32); |
| 1562 | io[1] ^= CAMELLIA_SUBKEY_R(32); |
| 1563 | |
| 1564 | /* main iteration */ |
| 1565 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1566 | CAMELLIA_SUBKEY_L(31),CAMELLIA_SUBKEY_R(31), |
| 1567 | io[2],io[3],il,ir,t0,t1); |
| 1568 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1569 | CAMELLIA_SUBKEY_L(30),CAMELLIA_SUBKEY_R(30), |
| 1570 | io[0],io[1],il,ir,t0,t1); |
| 1571 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1572 | CAMELLIA_SUBKEY_L(29),CAMELLIA_SUBKEY_R(29), |
| 1573 | io[2],io[3],il,ir,t0,t1); |
| 1574 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1575 | CAMELLIA_SUBKEY_L(28),CAMELLIA_SUBKEY_R(28), |
| 1576 | io[0],io[1],il,ir,t0,t1); |
| 1577 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1578 | CAMELLIA_SUBKEY_L(27),CAMELLIA_SUBKEY_R(27), |
| 1579 | io[2],io[3],il,ir,t0,t1); |
| 1580 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1581 | CAMELLIA_SUBKEY_L(26),CAMELLIA_SUBKEY_R(26), |
| 1582 | io[0],io[1],il,ir,t0,t1); |
| 1583 | |
| 1584 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
| 1585 | CAMELLIA_SUBKEY_L(25),CAMELLIA_SUBKEY_R(25), |
| 1586 | CAMELLIA_SUBKEY_L(24),CAMELLIA_SUBKEY_R(24), |
| 1587 | t0,t1,il,ir); |
| 1588 | |
| 1589 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1590 | CAMELLIA_SUBKEY_L(23),CAMELLIA_SUBKEY_R(23), |
| 1591 | io[2],io[3],il,ir,t0,t1); |
| 1592 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1593 | CAMELLIA_SUBKEY_L(22),CAMELLIA_SUBKEY_R(22), |
| 1594 | io[0],io[1],il,ir,t0,t1); |
| 1595 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1596 | CAMELLIA_SUBKEY_L(21),CAMELLIA_SUBKEY_R(21), |
| 1597 | io[2],io[3],il,ir,t0,t1); |
| 1598 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1599 | CAMELLIA_SUBKEY_L(20),CAMELLIA_SUBKEY_R(20), |
| 1600 | io[0],io[1],il,ir,t0,t1); |
| 1601 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1602 | CAMELLIA_SUBKEY_L(19),CAMELLIA_SUBKEY_R(19), |
| 1603 | io[2],io[3],il,ir,t0,t1); |
| 1604 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1605 | CAMELLIA_SUBKEY_L(18),CAMELLIA_SUBKEY_R(18), |
| 1606 | io[0],io[1],il,ir,t0,t1); |
| 1607 | |
| 1608 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
| 1609 | CAMELLIA_SUBKEY_L(17),CAMELLIA_SUBKEY_R(17), |
| 1610 | CAMELLIA_SUBKEY_L(16),CAMELLIA_SUBKEY_R(16), |
| 1611 | t0,t1,il,ir); |
| 1612 | |
| 1613 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1614 | CAMELLIA_SUBKEY_L(15),CAMELLIA_SUBKEY_R(15), |
| 1615 | io[2],io[3],il,ir,t0,t1); |
| 1616 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1617 | CAMELLIA_SUBKEY_L(14),CAMELLIA_SUBKEY_R(14), |
| 1618 | io[0],io[1],il,ir,t0,t1); |
| 1619 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1620 | CAMELLIA_SUBKEY_L(13),CAMELLIA_SUBKEY_R(13), |
| 1621 | io[2],io[3],il,ir,t0,t1); |
| 1622 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1623 | CAMELLIA_SUBKEY_L(12),CAMELLIA_SUBKEY_R(12), |
| 1624 | io[0],io[1],il,ir,t0,t1); |
| 1625 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1626 | CAMELLIA_SUBKEY_L(11),CAMELLIA_SUBKEY_R(11), |
| 1627 | io[2],io[3],il,ir,t0,t1); |
| 1628 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1629 | CAMELLIA_SUBKEY_L(10),CAMELLIA_SUBKEY_R(10), |
| 1630 | io[0],io[1],il,ir,t0,t1); |
| 1631 | |
| 1632 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
| 1633 | CAMELLIA_SUBKEY_L(9),CAMELLIA_SUBKEY_R(9), |
| 1634 | CAMELLIA_SUBKEY_L(8),CAMELLIA_SUBKEY_R(8), |
| 1635 | t0,t1,il,ir); |
| 1636 | |
| 1637 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1638 | CAMELLIA_SUBKEY_L(7),CAMELLIA_SUBKEY_R(7), |
| 1639 | io[2],io[3],il,ir,t0,t1); |
| 1640 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1641 | CAMELLIA_SUBKEY_L(6),CAMELLIA_SUBKEY_R(6), |
| 1642 | io[0],io[1],il,ir,t0,t1); |
| 1643 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1644 | CAMELLIA_SUBKEY_L(5),CAMELLIA_SUBKEY_R(5), |
| 1645 | io[2],io[3],il,ir,t0,t1); |
| 1646 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1647 | CAMELLIA_SUBKEY_L(4),CAMELLIA_SUBKEY_R(4), |
| 1648 | io[0],io[1],il,ir,t0,t1); |
| 1649 | CAMELLIA_ROUNDSM(io[0],io[1], |
| 1650 | CAMELLIA_SUBKEY_L(3),CAMELLIA_SUBKEY_R(3), |
| 1651 | io[2],io[3],il,ir,t0,t1); |
| 1652 | CAMELLIA_ROUNDSM(io[2],io[3], |
| 1653 | CAMELLIA_SUBKEY_L(2),CAMELLIA_SUBKEY_R(2), |
| 1654 | io[0],io[1],il,ir,t0,t1); |
| 1655 | |
| 1656 | /* post whitening but kw4 */ |
| 1657 | io[2] ^= CAMELLIA_SUBKEY_L(0); |
| 1658 | io[3] ^= CAMELLIA_SUBKEY_R(0); |
| 1659 | |
| 1660 | t0 = io[0]; |
| 1661 | t1 = io[1]; |
| 1662 | io[0] = io[2]; |
| 1663 | io[1] = io[3]; |
| 1664 | io[2] = t0; |
| 1665 | io[3] = t1; |
| 1666 | |
| 1667 | io_text[0] = cpu_to_be32(io[0]); |
| 1668 | io_text[1] = cpu_to_be32(io[1]); |
| 1669 | io_text[2] = cpu_to_be32(io[2]); |
| 1670 | io_text[3] = cpu_to_be32(io[3]); |
| 1671 | |
| 1672 | return; |
| 1673 | } |
| 1674 | |
| 1675 | |
| 1676 | static int |
| 1677 | camellia_set_key(struct crypto_tfm *tfm, const u8 *in_key, |
| 1678 | unsigned int key_len) |
| 1679 | { |
| 1680 | struct camellia_ctx *cctx = crypto_tfm_ctx(tfm); |
| 1681 | const unsigned char *key = (const unsigned char *)in_key; |
| 1682 | u32 *flags = &tfm->crt_flags; |
| 1683 | |
| 1684 | if (key_len != 16 && key_len != 24 && key_len != 32) { |
| 1685 | *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; |
| 1686 | return -EINVAL; |
| 1687 | } |
| 1688 | |
| 1689 | cctx->key_length = key_len; |
| 1690 | |
| 1691 | switch(key_len) { |
| 1692 | case 16: |
| 1693 | camellia_setup128(key, cctx->key_table); |
| 1694 | break; |
| 1695 | case 24: |
| 1696 | camellia_setup192(key, cctx->key_table); |
| 1697 | break; |
| 1698 | case 32: |
| 1699 | camellia_setup256(key, cctx->key_table); |
| 1700 | break; |
| 1701 | default: |
| 1702 | break; |
| 1703 | } |
| 1704 | |
| 1705 | return 0; |
| 1706 | } |
| 1707 | |
| 1708 | |
| 1709 | static void camellia_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) |
| 1710 | { |
| 1711 | const struct camellia_ctx *cctx = crypto_tfm_ctx(tfm); |
| 1712 | const __be32 *src = (const __be32 *)in; |
| 1713 | __be32 *dst = (__be32 *)out; |
| 1714 | |
| 1715 | __be32 tmp[4]; |
| 1716 | |
| 1717 | memcpy(tmp, src, CAMELLIA_BLOCK_SIZE); |
| 1718 | |
| 1719 | switch (cctx->key_length) { |
| 1720 | case 16: |
| 1721 | camellia_encrypt128(cctx->key_table, tmp); |
| 1722 | break; |
| 1723 | case 24: |
| 1724 | /* fall through */ |
| 1725 | case 32: |
| 1726 | camellia_encrypt256(cctx->key_table, tmp); |
| 1727 | break; |
| 1728 | default: |
| 1729 | break; |
| 1730 | } |
| 1731 | |
| 1732 | memcpy(dst, tmp, CAMELLIA_BLOCK_SIZE); |
| 1733 | } |
| 1734 | |
| 1735 | |
| 1736 | static void camellia_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) |
| 1737 | { |
| 1738 | const struct camellia_ctx *cctx = crypto_tfm_ctx(tfm); |
| 1739 | const __be32 *src = (const __be32 *)in; |
| 1740 | __be32 *dst = (__be32 *)out; |
| 1741 | |
| 1742 | __be32 tmp[4]; |
| 1743 | |
| 1744 | memcpy(tmp, src, CAMELLIA_BLOCK_SIZE); |
| 1745 | |
| 1746 | switch (cctx->key_length) { |
| 1747 | case 16: |
| 1748 | camellia_decrypt128(cctx->key_table, tmp); |
| 1749 | break; |
| 1750 | case 24: |
| 1751 | /* fall through */ |
| 1752 | case 32: |
| 1753 | camellia_decrypt256(cctx->key_table, tmp); |
| 1754 | break; |
| 1755 | default: |
| 1756 | break; |
| 1757 | } |
| 1758 | |
| 1759 | memcpy(dst, tmp, CAMELLIA_BLOCK_SIZE); |
| 1760 | } |
| 1761 | |
| 1762 | |
| 1763 | static struct crypto_alg camellia_alg = { |
| 1764 | .cra_name = "camellia", |
| 1765 | .cra_driver_name = "camellia-generic", |
| 1766 | .cra_priority = 100, |
| 1767 | .cra_flags = CRYPTO_ALG_TYPE_CIPHER, |
| 1768 | .cra_blocksize = CAMELLIA_BLOCK_SIZE, |
| 1769 | .cra_ctxsize = sizeof(struct camellia_ctx), |
| 1770 | .cra_alignmask = 3, |
| 1771 | .cra_module = THIS_MODULE, |
| 1772 | .cra_list = LIST_HEAD_INIT(camellia_alg.cra_list), |
| 1773 | .cra_u = { |
| 1774 | .cipher = { |
| 1775 | .cia_min_keysize = CAMELLIA_MIN_KEY_SIZE, |
| 1776 | .cia_max_keysize = CAMELLIA_MAX_KEY_SIZE, |
| 1777 | .cia_setkey = camellia_set_key, |
| 1778 | .cia_encrypt = camellia_encrypt, |
| 1779 | .cia_decrypt = camellia_decrypt |
| 1780 | } |
| 1781 | } |
| 1782 | }; |
| 1783 | |
| 1784 | static int __init camellia_init(void) |
| 1785 | { |
| 1786 | return crypto_register_alg(&camellia_alg); |
| 1787 | } |
| 1788 | |
| 1789 | |
| 1790 | static void __exit camellia_fini(void) |
| 1791 | { |
| 1792 | crypto_unregister_alg(&camellia_alg); |
| 1793 | } |
| 1794 | |
| 1795 | |
| 1796 | module_init(camellia_init); |
| 1797 | module_exit(camellia_fini); |
| 1798 | |
| 1799 | |
| 1800 | MODULE_DESCRIPTION("Camellia Cipher Algorithm"); |
| 1801 | MODULE_LICENSE("GPL"); |