[453] | 1 | /* camellia.c ver 1.2.0
|
---|
| 2 | *
|
---|
| 3 | * Copyright (c) 2006,2007
|
---|
| 4 | * NTT (Nippon Telegraph and Telephone Corporation) . All rights reserved.
|
---|
| 5 | *
|
---|
| 6 | * Redistribution and use in source and binary forms, with or without
|
---|
| 7 | * modification, are permitted provided that the following conditions
|
---|
| 8 | * are met:
|
---|
| 9 | * 1. Redistributions of source code must retain the above copyright
|
---|
| 10 | * notice, this list of conditions and the following disclaimer as
|
---|
| 11 | * the first lines of this file unmodified.
|
---|
| 12 | * 2. Redistributions in binary form must reproduce the above copyright
|
---|
| 13 | * notice, this list of conditions and the following disclaimer in the
|
---|
| 14 | * documentation and/or other materials provided with the distribution.
|
---|
| 15 | *
|
---|
| 16 | * THIS SOFTWARE IS PROVIDED BY NTT ``AS IS'' AND ANY EXPRESS OR
|
---|
| 17 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
---|
| 18 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
---|
| 19 | * IN NO EVENT SHALL NTT BE LIABLE FOR ANY DIRECT, INDIRECT,
|
---|
| 20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
---|
| 21 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
---|
| 22 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
---|
| 23 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
---|
| 24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
---|
| 25 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
---|
| 26 | */
|
---|
| 27 |
|
---|
| 28 | /* camellia.c
|
---|
| 29 | *
|
---|
| 30 | * Copyright (C) 2006-2020 wolfSSL Inc.
|
---|
| 31 | *
|
---|
| 32 | * This file is part of wolfSSL.
|
---|
| 33 | *
|
---|
| 34 | * wolfSSL is free software; you can redistribute it and/or modify
|
---|
| 35 | * it under the terms of the GNU General Public License as published by
|
---|
| 36 | * the Free Software Foundation; either version 2 of the License, or
|
---|
| 37 | * (at your option) any later version.
|
---|
| 38 | *
|
---|
| 39 | * wolfSSL is distributed in the hope that it will be useful,
|
---|
| 40 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
---|
| 41 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
---|
| 42 | * GNU General Public License for more details.
|
---|
| 43 | *
|
---|
| 44 | * You should have received a copy of the GNU General Public License
|
---|
| 45 | * along with this program; if not, write to the Free Software
|
---|
| 46 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
|
---|
| 47 | */
|
---|
| 48 |
|
---|
| 49 |
|
---|
| 50 | /*
|
---|
| 51 | * Algorithm Specification
|
---|
| 52 | * http://info.isl.ntt.co.jp/crypt/eng/camellia/specifications.html
|
---|
| 53 | */
|
---|
| 54 |
|
---|
| 55 |
|
---|
| 56 | #ifdef HAVE_CONFIG_H
|
---|
| 57 | #include <config.h>
|
---|
| 58 | #endif
|
---|
| 59 |
|
---|
| 60 | #include <wolfssl/wolfcrypt/settings.h>
|
---|
| 61 |
|
---|
| 62 | #ifdef HAVE_CAMELLIA
|
---|
| 63 |
|
---|
| 64 | #include <wolfssl/wolfcrypt/camellia.h>
|
---|
| 65 | #include <wolfssl/wolfcrypt/error-crypt.h>
|
---|
| 66 | #include <wolfssl/wolfcrypt/logging.h>
|
---|
| 67 | #ifdef NO_INLINE
|
---|
| 68 | #include <wolfssl/wolfcrypt/misc.h>
|
---|
| 69 | #else
|
---|
| 70 | #define WOLFSSL_MISC_INCLUDED
|
---|
| 71 | #include <wolfcrypt/src/misc.c>
|
---|
| 72 | #endif
|
---|
| 73 |
|
---|
| 74 | /* u32 must be 32bit word */
|
---|
| 75 | typedef unsigned int u32;
|
---|
| 76 | typedef unsigned char u8;
|
---|
| 77 |
|
---|
| 78 | /* key constants */
|
---|
| 79 |
|
---|
| 80 | #define CAMELLIA_SIGMA1L ((u32)0xA09E667FL)
|
---|
| 81 | #define CAMELLIA_SIGMA1R ((u32)0x3BCC908BL)
|
---|
| 82 | #define CAMELLIA_SIGMA2L ((u32)0xB67AE858L)
|
---|
| 83 | #define CAMELLIA_SIGMA2R ((u32)0x4CAA73B2L)
|
---|
| 84 | #define CAMELLIA_SIGMA3L ((u32)0xC6EF372FL)
|
---|
| 85 | #define CAMELLIA_SIGMA3R ((u32)0xE94F82BEL)
|
---|
| 86 | #define CAMELLIA_SIGMA4L ((u32)0x54FF53A5L)
|
---|
| 87 | #define CAMELLIA_SIGMA4R ((u32)0xF1D36F1CL)
|
---|
| 88 | #define CAMELLIA_SIGMA5L ((u32)0x10E527FAL)
|
---|
| 89 | #define CAMELLIA_SIGMA5R ((u32)0xDE682D1DL)
|
---|
| 90 | #define CAMELLIA_SIGMA6L ((u32)0xB05688C2L)
|
---|
| 91 | #define CAMELLIA_SIGMA6R ((u32)0xB3E6C1FDL)
|
---|
| 92 |
|
---|
| 93 | /*
|
---|
| 94 | * macros
|
---|
| 95 | */
|
---|
| 96 |
|
---|
| 97 |
|
---|
| 98 | #if defined(_MSC_VER)
|
---|
| 99 |
|
---|
| 100 | # define SWAP(x) (_lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00)
|
---|
| 101 | # define GETU32(p) SWAP(*((u32 *)(p)))
|
---|
| 102 | # define PUTU32(ct, st) {*((u32 *)(ct)) = SWAP((st));}
|
---|
| 103 |
|
---|
| 104 | #else /* not MS-VC */
|
---|
| 105 |
|
---|
| 106 | # define GETU32(pt) \
|
---|
| 107 | (((u32)(pt)[0] << 24) \
|
---|
| 108 | ^ ((u32)(pt)[1] << 16) \
|
---|
| 109 | ^ ((u32)(pt)[2] << 8) \
|
---|
| 110 | ^ ((u32)(pt)[3]))
|
---|
| 111 |
|
---|
| 112 | # define PUTU32(ct, st) { \
|
---|
| 113 | (ct)[0] = (u8)((st) >> 24); \
|
---|
| 114 | (ct)[1] = (u8)((st) >> 16); \
|
---|
| 115 | (ct)[2] = (u8)((st) >> 8); \
|
---|
| 116 | (ct)[3] = (u8)(st); }
|
---|
| 117 |
|
---|
| 118 | #endif
|
---|
| 119 |
|
---|
| 120 | #define CamelliaSubkeyL(INDEX) (subkey[(INDEX)*2])
|
---|
| 121 | #define CamelliaSubkeyR(INDEX) (subkey[(INDEX)*2 + 1])
|
---|
| 122 |
|
---|
| 123 | /* rotation right shift 1byte */
|
---|
| 124 | #define CAMELLIA_RR8(x) (((x) >> 8) + ((x) << 24))
|
---|
| 125 | /* rotation left shift 1bit */
|
---|
| 126 | #define CAMELLIA_RL1(x) (((x) << 1) + ((x) >> 31))
|
---|
| 127 | /* rotation left shift 1byte */
|
---|
| 128 | #define CAMELLIA_RL8(x) (((x) << 8) + ((x) >> 24))
|
---|
| 129 |
|
---|
| 130 | #define CAMELLIA_ROLDQ(ll, lr, rl, rr, w0, w1, bits) \
|
---|
| 131 | do { \
|
---|
| 132 | w0 = ll; \
|
---|
| 133 | ll = (ll << bits) + (lr >> (32 - bits)); \
|
---|
| 134 | lr = (lr << bits) + (rl >> (32 - bits)); \
|
---|
| 135 | rl = (rl << bits) + (rr >> (32 - bits)); \
|
---|
| 136 | rr = (rr << bits) + (w0 >> (32 - bits)); \
|
---|
| 137 | } while(0)
|
---|
| 138 |
|
---|
| 139 | #define CAMELLIA_ROLDQo32(ll, lr, rl, rr, w0, w1, bits) \
|
---|
| 140 | do { \
|
---|
| 141 | w0 = ll; \
|
---|
| 142 | w1 = lr; \
|
---|
| 143 | ll = (lr << (bits - 32)) + (rl >> (64 - bits)); \
|
---|
| 144 | lr = (rl << (bits - 32)) + (rr >> (64 - bits)); \
|
---|
| 145 | rl = (rr << (bits - 32)) + (w0 >> (64 - bits)); \
|
---|
| 146 | rr = (w0 << (bits - 32)) + (w1 >> (64 - bits)); \
|
---|
| 147 | } while(0)
|
---|
| 148 |
|
---|
| 149 | #define CAMELLIA_SP1110(INDEX) (camellia_sp1110[(INDEX)])
|
---|
| 150 | #define CAMELLIA_SP0222(INDEX) (camellia_sp0222[(INDEX)])
|
---|
| 151 | #define CAMELLIA_SP3033(INDEX) (camellia_sp3033[(INDEX)])
|
---|
| 152 | #define CAMELLIA_SP4404(INDEX) (camellia_sp4404[(INDEX)])
|
---|
| 153 |
|
---|
| 154 | #define CAMELLIA_F(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \
|
---|
| 155 | do { \
|
---|
| 156 | il = xl ^ kl; \
|
---|
| 157 | ir = xr ^ kr; \
|
---|
| 158 | t0 = il >> 16; \
|
---|
| 159 | t1 = ir >> 16; \
|
---|
| 160 | yl = CAMELLIA_SP1110(ir & 0xff) \
|
---|
| 161 | ^ CAMELLIA_SP0222((t1 >> 8) & 0xff) \
|
---|
| 162 | ^ CAMELLIA_SP3033(t1 & 0xff) \
|
---|
| 163 | ^ CAMELLIA_SP4404((ir >> 8) & 0xff); \
|
---|
| 164 | yr = CAMELLIA_SP1110((t0 >> 8) & 0xff) \
|
---|
| 165 | ^ CAMELLIA_SP0222(t0 & 0xff) \
|
---|
| 166 | ^ CAMELLIA_SP3033((il >> 8) & 0xff) \
|
---|
| 167 | ^ CAMELLIA_SP4404(il & 0xff); \
|
---|
| 168 | yl ^= yr; \
|
---|
| 169 | yr = CAMELLIA_RR8(yr); \
|
---|
| 170 | yr ^= yl; \
|
---|
| 171 | } while(0)
|
---|
| 172 |
|
---|
| 173 |
|
---|
| 174 | /*
|
---|
| 175 | * for speed up
|
---|
| 176 | *
|
---|
| 177 | */
|
---|
| 178 | #define CAMELLIA_FLS(ll, lr, rl, rr, kll, klr, krl, krr, t0, t1, t2, t3) \
|
---|
| 179 | do { \
|
---|
| 180 | t0 = kll; \
|
---|
| 181 | t0 &= ll; \
|
---|
| 182 | lr ^= CAMELLIA_RL1(t0); \
|
---|
| 183 | t1 = klr; \
|
---|
| 184 | t1 |= lr; \
|
---|
| 185 | ll ^= t1; \
|
---|
| 186 | \
|
---|
| 187 | t2 = krr; \
|
---|
| 188 | t2 |= rr; \
|
---|
| 189 | rl ^= t2; \
|
---|
| 190 | t3 = krl; \
|
---|
| 191 | t3 &= rl; \
|
---|
| 192 | rr ^= CAMELLIA_RL1(t3); \
|
---|
| 193 | } while(0)
|
---|
| 194 |
|
---|
| 195 | #define CAMELLIA_ROUNDSM(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \
|
---|
| 196 | do { \
|
---|
| 197 | ir = CAMELLIA_SP1110(xr & 0xff) \
|
---|
| 198 | ^ CAMELLIA_SP0222((xr >> 24) & 0xff) \
|
---|
| 199 | ^ CAMELLIA_SP3033((xr >> 16) & 0xff) \
|
---|
| 200 | ^ CAMELLIA_SP4404((xr >> 8) & 0xff); \
|
---|
| 201 | il = CAMELLIA_SP1110((xl >> 24) & 0xff) \
|
---|
| 202 | ^ CAMELLIA_SP0222((xl >> 16) & 0xff) \
|
---|
| 203 | ^ CAMELLIA_SP3033((xl >> 8) & 0xff) \
|
---|
| 204 | ^ CAMELLIA_SP4404(xl & 0xff); \
|
---|
| 205 | il ^= kl; \
|
---|
| 206 | ir ^= kr; \
|
---|
| 207 | ir ^= il; \
|
---|
| 208 | il = CAMELLIA_RR8(il); \
|
---|
| 209 | il ^= ir; \
|
---|
| 210 | yl ^= ir; \
|
---|
| 211 | yr ^= il; \
|
---|
| 212 | } while(0)
|
---|
| 213 |
|
---|
| 214 |
|
---|
| 215 | static const u32 camellia_sp1110[256] = {
|
---|
| 216 | 0x70707000,0x82828200,0x2c2c2c00,0xececec00,
|
---|
| 217 | 0xb3b3b300,0x27272700,0xc0c0c000,0xe5e5e500,
|
---|
| 218 | 0xe4e4e400,0x85858500,0x57575700,0x35353500,
|
---|
| 219 | 0xeaeaea00,0x0c0c0c00,0xaeaeae00,0x41414100,
|
---|
| 220 | 0x23232300,0xefefef00,0x6b6b6b00,0x93939300,
|
---|
| 221 | 0x45454500,0x19191900,0xa5a5a500,0x21212100,
|
---|
| 222 | 0xededed00,0x0e0e0e00,0x4f4f4f00,0x4e4e4e00,
|
---|
| 223 | 0x1d1d1d00,0x65656500,0x92929200,0xbdbdbd00,
|
---|
| 224 | 0x86868600,0xb8b8b800,0xafafaf00,0x8f8f8f00,
|
---|
| 225 | 0x7c7c7c00,0xebebeb00,0x1f1f1f00,0xcecece00,
|
---|
| 226 | 0x3e3e3e00,0x30303000,0xdcdcdc00,0x5f5f5f00,
|
---|
| 227 | 0x5e5e5e00,0xc5c5c500,0x0b0b0b00,0x1a1a1a00,
|
---|
| 228 | 0xa6a6a600,0xe1e1e100,0x39393900,0xcacaca00,
|
---|
| 229 | 0xd5d5d500,0x47474700,0x5d5d5d00,0x3d3d3d00,
|
---|
| 230 | 0xd9d9d900,0x01010100,0x5a5a5a00,0xd6d6d600,
|
---|
| 231 | 0x51515100,0x56565600,0x6c6c6c00,0x4d4d4d00,
|
---|
| 232 | 0x8b8b8b00,0x0d0d0d00,0x9a9a9a00,0x66666600,
|
---|
| 233 | 0xfbfbfb00,0xcccccc00,0xb0b0b000,0x2d2d2d00,
|
---|
| 234 | 0x74747400,0x12121200,0x2b2b2b00,0x20202000,
|
---|
| 235 | 0xf0f0f000,0xb1b1b100,0x84848400,0x99999900,
|
---|
| 236 | 0xdfdfdf00,0x4c4c4c00,0xcbcbcb00,0xc2c2c200,
|
---|
| 237 | 0x34343400,0x7e7e7e00,0x76767600,0x05050500,
|
---|
| 238 | 0x6d6d6d00,0xb7b7b700,0xa9a9a900,0x31313100,
|
---|
| 239 | 0xd1d1d100,0x17171700,0x04040400,0xd7d7d700,
|
---|
| 240 | 0x14141400,0x58585800,0x3a3a3a00,0x61616100,
|
---|
| 241 | 0xdedede00,0x1b1b1b00,0x11111100,0x1c1c1c00,
|
---|
| 242 | 0x32323200,0x0f0f0f00,0x9c9c9c00,0x16161600,
|
---|
| 243 | 0x53535300,0x18181800,0xf2f2f200,0x22222200,
|
---|
| 244 | 0xfefefe00,0x44444400,0xcfcfcf00,0xb2b2b200,
|
---|
| 245 | 0xc3c3c300,0xb5b5b500,0x7a7a7a00,0x91919100,
|
---|
| 246 | 0x24242400,0x08080800,0xe8e8e800,0xa8a8a800,
|
---|
| 247 | 0x60606000,0xfcfcfc00,0x69696900,0x50505000,
|
---|
| 248 | 0xaaaaaa00,0xd0d0d000,0xa0a0a000,0x7d7d7d00,
|
---|
| 249 | 0xa1a1a100,0x89898900,0x62626200,0x97979700,
|
---|
| 250 | 0x54545400,0x5b5b5b00,0x1e1e1e00,0x95959500,
|
---|
| 251 | 0xe0e0e000,0xffffff00,0x64646400,0xd2d2d200,
|
---|
| 252 | 0x10101000,0xc4c4c400,0x00000000,0x48484800,
|
---|
| 253 | 0xa3a3a300,0xf7f7f700,0x75757500,0xdbdbdb00,
|
---|
| 254 | 0x8a8a8a00,0x03030300,0xe6e6e600,0xdadada00,
|
---|
| 255 | 0x09090900,0x3f3f3f00,0xdddddd00,0x94949400,
|
---|
| 256 | 0x87878700,0x5c5c5c00,0x83838300,0x02020200,
|
---|
| 257 | 0xcdcdcd00,0x4a4a4a00,0x90909000,0x33333300,
|
---|
| 258 | 0x73737300,0x67676700,0xf6f6f600,0xf3f3f300,
|
---|
| 259 | 0x9d9d9d00,0x7f7f7f00,0xbfbfbf00,0xe2e2e200,
|
---|
| 260 | 0x52525200,0x9b9b9b00,0xd8d8d800,0x26262600,
|
---|
| 261 | 0xc8c8c800,0x37373700,0xc6c6c600,0x3b3b3b00,
|
---|
| 262 | 0x81818100,0x96969600,0x6f6f6f00,0x4b4b4b00,
|
---|
| 263 | 0x13131300,0xbebebe00,0x63636300,0x2e2e2e00,
|
---|
| 264 | 0xe9e9e900,0x79797900,0xa7a7a700,0x8c8c8c00,
|
---|
| 265 | 0x9f9f9f00,0x6e6e6e00,0xbcbcbc00,0x8e8e8e00,
|
---|
| 266 | 0x29292900,0xf5f5f500,0xf9f9f900,0xb6b6b600,
|
---|
| 267 | 0x2f2f2f00,0xfdfdfd00,0xb4b4b400,0x59595900,
|
---|
| 268 | 0x78787800,0x98989800,0x06060600,0x6a6a6a00,
|
---|
| 269 | 0xe7e7e700,0x46464600,0x71717100,0xbababa00,
|
---|
| 270 | 0xd4d4d400,0x25252500,0xababab00,0x42424200,
|
---|
| 271 | 0x88888800,0xa2a2a200,0x8d8d8d00,0xfafafa00,
|
---|
| 272 | 0x72727200,0x07070700,0xb9b9b900,0x55555500,
|
---|
| 273 | 0xf8f8f800,0xeeeeee00,0xacacac00,0x0a0a0a00,
|
---|
| 274 | 0x36363600,0x49494900,0x2a2a2a00,0x68686800,
|
---|
| 275 | 0x3c3c3c00,0x38383800,0xf1f1f100,0xa4a4a400,
|
---|
| 276 | 0x40404000,0x28282800,0xd3d3d300,0x7b7b7b00,
|
---|
| 277 | 0xbbbbbb00,0xc9c9c900,0x43434300,0xc1c1c100,
|
---|
| 278 | 0x15151500,0xe3e3e300,0xadadad00,0xf4f4f400,
|
---|
| 279 | 0x77777700,0xc7c7c700,0x80808000,0x9e9e9e00,
|
---|
| 280 | };
|
---|
| 281 |
|
---|
| 282 | static const u32 camellia_sp0222[256] = {
|
---|
| 283 | 0x00e0e0e0,0x00050505,0x00585858,0x00d9d9d9,
|
---|
| 284 | 0x00676767,0x004e4e4e,0x00818181,0x00cbcbcb,
|
---|
| 285 | 0x00c9c9c9,0x000b0b0b,0x00aeaeae,0x006a6a6a,
|
---|
| 286 | 0x00d5d5d5,0x00181818,0x005d5d5d,0x00828282,
|
---|
| 287 | 0x00464646,0x00dfdfdf,0x00d6d6d6,0x00272727,
|
---|
| 288 | 0x008a8a8a,0x00323232,0x004b4b4b,0x00424242,
|
---|
| 289 | 0x00dbdbdb,0x001c1c1c,0x009e9e9e,0x009c9c9c,
|
---|
| 290 | 0x003a3a3a,0x00cacaca,0x00252525,0x007b7b7b,
|
---|
| 291 | 0x000d0d0d,0x00717171,0x005f5f5f,0x001f1f1f,
|
---|
| 292 | 0x00f8f8f8,0x00d7d7d7,0x003e3e3e,0x009d9d9d,
|
---|
| 293 | 0x007c7c7c,0x00606060,0x00b9b9b9,0x00bebebe,
|
---|
| 294 | 0x00bcbcbc,0x008b8b8b,0x00161616,0x00343434,
|
---|
| 295 | 0x004d4d4d,0x00c3c3c3,0x00727272,0x00959595,
|
---|
| 296 | 0x00ababab,0x008e8e8e,0x00bababa,0x007a7a7a,
|
---|
| 297 | 0x00b3b3b3,0x00020202,0x00b4b4b4,0x00adadad,
|
---|
| 298 | 0x00a2a2a2,0x00acacac,0x00d8d8d8,0x009a9a9a,
|
---|
| 299 | 0x00171717,0x001a1a1a,0x00353535,0x00cccccc,
|
---|
| 300 | 0x00f7f7f7,0x00999999,0x00616161,0x005a5a5a,
|
---|
| 301 | 0x00e8e8e8,0x00242424,0x00565656,0x00404040,
|
---|
| 302 | 0x00e1e1e1,0x00636363,0x00090909,0x00333333,
|
---|
| 303 | 0x00bfbfbf,0x00989898,0x00979797,0x00858585,
|
---|
| 304 | 0x00686868,0x00fcfcfc,0x00ececec,0x000a0a0a,
|
---|
| 305 | 0x00dadada,0x006f6f6f,0x00535353,0x00626262,
|
---|
| 306 | 0x00a3a3a3,0x002e2e2e,0x00080808,0x00afafaf,
|
---|
| 307 | 0x00282828,0x00b0b0b0,0x00747474,0x00c2c2c2,
|
---|
| 308 | 0x00bdbdbd,0x00363636,0x00222222,0x00383838,
|
---|
| 309 | 0x00646464,0x001e1e1e,0x00393939,0x002c2c2c,
|
---|
| 310 | 0x00a6a6a6,0x00303030,0x00e5e5e5,0x00444444,
|
---|
| 311 | 0x00fdfdfd,0x00888888,0x009f9f9f,0x00656565,
|
---|
| 312 | 0x00878787,0x006b6b6b,0x00f4f4f4,0x00232323,
|
---|
| 313 | 0x00484848,0x00101010,0x00d1d1d1,0x00515151,
|
---|
| 314 | 0x00c0c0c0,0x00f9f9f9,0x00d2d2d2,0x00a0a0a0,
|
---|
| 315 | 0x00555555,0x00a1a1a1,0x00414141,0x00fafafa,
|
---|
| 316 | 0x00434343,0x00131313,0x00c4c4c4,0x002f2f2f,
|
---|
| 317 | 0x00a8a8a8,0x00b6b6b6,0x003c3c3c,0x002b2b2b,
|
---|
| 318 | 0x00c1c1c1,0x00ffffff,0x00c8c8c8,0x00a5a5a5,
|
---|
| 319 | 0x00202020,0x00898989,0x00000000,0x00909090,
|
---|
| 320 | 0x00474747,0x00efefef,0x00eaeaea,0x00b7b7b7,
|
---|
| 321 | 0x00151515,0x00060606,0x00cdcdcd,0x00b5b5b5,
|
---|
| 322 | 0x00121212,0x007e7e7e,0x00bbbbbb,0x00292929,
|
---|
| 323 | 0x000f0f0f,0x00b8b8b8,0x00070707,0x00040404,
|
---|
| 324 | 0x009b9b9b,0x00949494,0x00212121,0x00666666,
|
---|
| 325 | 0x00e6e6e6,0x00cecece,0x00ededed,0x00e7e7e7,
|
---|
| 326 | 0x003b3b3b,0x00fefefe,0x007f7f7f,0x00c5c5c5,
|
---|
| 327 | 0x00a4a4a4,0x00373737,0x00b1b1b1,0x004c4c4c,
|
---|
| 328 | 0x00919191,0x006e6e6e,0x008d8d8d,0x00767676,
|
---|
| 329 | 0x00030303,0x002d2d2d,0x00dedede,0x00969696,
|
---|
| 330 | 0x00262626,0x007d7d7d,0x00c6c6c6,0x005c5c5c,
|
---|
| 331 | 0x00d3d3d3,0x00f2f2f2,0x004f4f4f,0x00191919,
|
---|
| 332 | 0x003f3f3f,0x00dcdcdc,0x00797979,0x001d1d1d,
|
---|
| 333 | 0x00525252,0x00ebebeb,0x00f3f3f3,0x006d6d6d,
|
---|
| 334 | 0x005e5e5e,0x00fbfbfb,0x00696969,0x00b2b2b2,
|
---|
| 335 | 0x00f0f0f0,0x00313131,0x000c0c0c,0x00d4d4d4,
|
---|
| 336 | 0x00cfcfcf,0x008c8c8c,0x00e2e2e2,0x00757575,
|
---|
| 337 | 0x00a9a9a9,0x004a4a4a,0x00575757,0x00848484,
|
---|
| 338 | 0x00111111,0x00454545,0x001b1b1b,0x00f5f5f5,
|
---|
| 339 | 0x00e4e4e4,0x000e0e0e,0x00737373,0x00aaaaaa,
|
---|
| 340 | 0x00f1f1f1,0x00dddddd,0x00595959,0x00141414,
|
---|
| 341 | 0x006c6c6c,0x00929292,0x00545454,0x00d0d0d0,
|
---|
| 342 | 0x00787878,0x00707070,0x00e3e3e3,0x00494949,
|
---|
| 343 | 0x00808080,0x00505050,0x00a7a7a7,0x00f6f6f6,
|
---|
| 344 | 0x00777777,0x00939393,0x00868686,0x00838383,
|
---|
| 345 | 0x002a2a2a,0x00c7c7c7,0x005b5b5b,0x00e9e9e9,
|
---|
| 346 | 0x00eeeeee,0x008f8f8f,0x00010101,0x003d3d3d,
|
---|
| 347 | };
|
---|
| 348 |
|
---|
| 349 | static const u32 camellia_sp3033[256] = {
|
---|
| 350 | 0x38003838,0x41004141,0x16001616,0x76007676,
|
---|
| 351 | 0xd900d9d9,0x93009393,0x60006060,0xf200f2f2,
|
---|
| 352 | 0x72007272,0xc200c2c2,0xab00abab,0x9a009a9a,
|
---|
| 353 | 0x75007575,0x06000606,0x57005757,0xa000a0a0,
|
---|
| 354 | 0x91009191,0xf700f7f7,0xb500b5b5,0xc900c9c9,
|
---|
| 355 | 0xa200a2a2,0x8c008c8c,0xd200d2d2,0x90009090,
|
---|
| 356 | 0xf600f6f6,0x07000707,0xa700a7a7,0x27002727,
|
---|
| 357 | 0x8e008e8e,0xb200b2b2,0x49004949,0xde00dede,
|
---|
| 358 | 0x43004343,0x5c005c5c,0xd700d7d7,0xc700c7c7,
|
---|
| 359 | 0x3e003e3e,0xf500f5f5,0x8f008f8f,0x67006767,
|
---|
| 360 | 0x1f001f1f,0x18001818,0x6e006e6e,0xaf00afaf,
|
---|
| 361 | 0x2f002f2f,0xe200e2e2,0x85008585,0x0d000d0d,
|
---|
| 362 | 0x53005353,0xf000f0f0,0x9c009c9c,0x65006565,
|
---|
| 363 | 0xea00eaea,0xa300a3a3,0xae00aeae,0x9e009e9e,
|
---|
| 364 | 0xec00ecec,0x80008080,0x2d002d2d,0x6b006b6b,
|
---|
| 365 | 0xa800a8a8,0x2b002b2b,0x36003636,0xa600a6a6,
|
---|
| 366 | 0xc500c5c5,0x86008686,0x4d004d4d,0x33003333,
|
---|
| 367 | 0xfd00fdfd,0x66006666,0x58005858,0x96009696,
|
---|
| 368 | 0x3a003a3a,0x09000909,0x95009595,0x10001010,
|
---|
| 369 | 0x78007878,0xd800d8d8,0x42004242,0xcc00cccc,
|
---|
| 370 | 0xef00efef,0x26002626,0xe500e5e5,0x61006161,
|
---|
| 371 | 0x1a001a1a,0x3f003f3f,0x3b003b3b,0x82008282,
|
---|
| 372 | 0xb600b6b6,0xdb00dbdb,0xd400d4d4,0x98009898,
|
---|
| 373 | 0xe800e8e8,0x8b008b8b,0x02000202,0xeb00ebeb,
|
---|
| 374 | 0x0a000a0a,0x2c002c2c,0x1d001d1d,0xb000b0b0,
|
---|
| 375 | 0x6f006f6f,0x8d008d8d,0x88008888,0x0e000e0e,
|
---|
| 376 | 0x19001919,0x87008787,0x4e004e4e,0x0b000b0b,
|
---|
| 377 | 0xa900a9a9,0x0c000c0c,0x79007979,0x11001111,
|
---|
| 378 | 0x7f007f7f,0x22002222,0xe700e7e7,0x59005959,
|
---|
| 379 | 0xe100e1e1,0xda00dada,0x3d003d3d,0xc800c8c8,
|
---|
| 380 | 0x12001212,0x04000404,0x74007474,0x54005454,
|
---|
| 381 | 0x30003030,0x7e007e7e,0xb400b4b4,0x28002828,
|
---|
| 382 | 0x55005555,0x68006868,0x50005050,0xbe00bebe,
|
---|
| 383 | 0xd000d0d0,0xc400c4c4,0x31003131,0xcb00cbcb,
|
---|
| 384 | 0x2a002a2a,0xad00adad,0x0f000f0f,0xca00caca,
|
---|
| 385 | 0x70007070,0xff00ffff,0x32003232,0x69006969,
|
---|
| 386 | 0x08000808,0x62006262,0x00000000,0x24002424,
|
---|
| 387 | 0xd100d1d1,0xfb00fbfb,0xba00baba,0xed00eded,
|
---|
| 388 | 0x45004545,0x81008181,0x73007373,0x6d006d6d,
|
---|
| 389 | 0x84008484,0x9f009f9f,0xee00eeee,0x4a004a4a,
|
---|
| 390 | 0xc300c3c3,0x2e002e2e,0xc100c1c1,0x01000101,
|
---|
| 391 | 0xe600e6e6,0x25002525,0x48004848,0x99009999,
|
---|
| 392 | 0xb900b9b9,0xb300b3b3,0x7b007b7b,0xf900f9f9,
|
---|
| 393 | 0xce00cece,0xbf00bfbf,0xdf00dfdf,0x71007171,
|
---|
| 394 | 0x29002929,0xcd00cdcd,0x6c006c6c,0x13001313,
|
---|
| 395 | 0x64006464,0x9b009b9b,0x63006363,0x9d009d9d,
|
---|
| 396 | 0xc000c0c0,0x4b004b4b,0xb700b7b7,0xa500a5a5,
|
---|
| 397 | 0x89008989,0x5f005f5f,0xb100b1b1,0x17001717,
|
---|
| 398 | 0xf400f4f4,0xbc00bcbc,0xd300d3d3,0x46004646,
|
---|
| 399 | 0xcf00cfcf,0x37003737,0x5e005e5e,0x47004747,
|
---|
| 400 | 0x94009494,0xfa00fafa,0xfc00fcfc,0x5b005b5b,
|
---|
| 401 | 0x97009797,0xfe00fefe,0x5a005a5a,0xac00acac,
|
---|
| 402 | 0x3c003c3c,0x4c004c4c,0x03000303,0x35003535,
|
---|
| 403 | 0xf300f3f3,0x23002323,0xb800b8b8,0x5d005d5d,
|
---|
| 404 | 0x6a006a6a,0x92009292,0xd500d5d5,0x21002121,
|
---|
| 405 | 0x44004444,0x51005151,0xc600c6c6,0x7d007d7d,
|
---|
| 406 | 0x39003939,0x83008383,0xdc00dcdc,0xaa00aaaa,
|
---|
| 407 | 0x7c007c7c,0x77007777,0x56005656,0x05000505,
|
---|
| 408 | 0x1b001b1b,0xa400a4a4,0x15001515,0x34003434,
|
---|
| 409 | 0x1e001e1e,0x1c001c1c,0xf800f8f8,0x52005252,
|
---|
| 410 | 0x20002020,0x14001414,0xe900e9e9,0xbd00bdbd,
|
---|
| 411 | 0xdd00dddd,0xe400e4e4,0xa100a1a1,0xe000e0e0,
|
---|
| 412 | 0x8a008a8a,0xf100f1f1,0xd600d6d6,0x7a007a7a,
|
---|
| 413 | 0xbb00bbbb,0xe300e3e3,0x40004040,0x4f004f4f,
|
---|
| 414 | };
|
---|
| 415 |
|
---|
| 416 | static const u32 camellia_sp4404[256] = {
|
---|
| 417 | 0x70700070,0x2c2c002c,0xb3b300b3,0xc0c000c0,
|
---|
| 418 | 0xe4e400e4,0x57570057,0xeaea00ea,0xaeae00ae,
|
---|
| 419 | 0x23230023,0x6b6b006b,0x45450045,0xa5a500a5,
|
---|
| 420 | 0xeded00ed,0x4f4f004f,0x1d1d001d,0x92920092,
|
---|
| 421 | 0x86860086,0xafaf00af,0x7c7c007c,0x1f1f001f,
|
---|
| 422 | 0x3e3e003e,0xdcdc00dc,0x5e5e005e,0x0b0b000b,
|
---|
| 423 | 0xa6a600a6,0x39390039,0xd5d500d5,0x5d5d005d,
|
---|
| 424 | 0xd9d900d9,0x5a5a005a,0x51510051,0x6c6c006c,
|
---|
| 425 | 0x8b8b008b,0x9a9a009a,0xfbfb00fb,0xb0b000b0,
|
---|
| 426 | 0x74740074,0x2b2b002b,0xf0f000f0,0x84840084,
|
---|
| 427 | 0xdfdf00df,0xcbcb00cb,0x34340034,0x76760076,
|
---|
| 428 | 0x6d6d006d,0xa9a900a9,0xd1d100d1,0x04040004,
|
---|
| 429 | 0x14140014,0x3a3a003a,0xdede00de,0x11110011,
|
---|
| 430 | 0x32320032,0x9c9c009c,0x53530053,0xf2f200f2,
|
---|
| 431 | 0xfefe00fe,0xcfcf00cf,0xc3c300c3,0x7a7a007a,
|
---|
| 432 | 0x24240024,0xe8e800e8,0x60600060,0x69690069,
|
---|
| 433 | 0xaaaa00aa,0xa0a000a0,0xa1a100a1,0x62620062,
|
---|
| 434 | 0x54540054,0x1e1e001e,0xe0e000e0,0x64640064,
|
---|
| 435 | 0x10100010,0x00000000,0xa3a300a3,0x75750075,
|
---|
| 436 | 0x8a8a008a,0xe6e600e6,0x09090009,0xdddd00dd,
|
---|
| 437 | 0x87870087,0x83830083,0xcdcd00cd,0x90900090,
|
---|
| 438 | 0x73730073,0xf6f600f6,0x9d9d009d,0xbfbf00bf,
|
---|
| 439 | 0x52520052,0xd8d800d8,0xc8c800c8,0xc6c600c6,
|
---|
| 440 | 0x81810081,0x6f6f006f,0x13130013,0x63630063,
|
---|
| 441 | 0xe9e900e9,0xa7a700a7,0x9f9f009f,0xbcbc00bc,
|
---|
| 442 | 0x29290029,0xf9f900f9,0x2f2f002f,0xb4b400b4,
|
---|
| 443 | 0x78780078,0x06060006,0xe7e700e7,0x71710071,
|
---|
| 444 | 0xd4d400d4,0xabab00ab,0x88880088,0x8d8d008d,
|
---|
| 445 | 0x72720072,0xb9b900b9,0xf8f800f8,0xacac00ac,
|
---|
| 446 | 0x36360036,0x2a2a002a,0x3c3c003c,0xf1f100f1,
|
---|
| 447 | 0x40400040,0xd3d300d3,0xbbbb00bb,0x43430043,
|
---|
| 448 | 0x15150015,0xadad00ad,0x77770077,0x80800080,
|
---|
| 449 | 0x82820082,0xecec00ec,0x27270027,0xe5e500e5,
|
---|
| 450 | 0x85850085,0x35350035,0x0c0c000c,0x41410041,
|
---|
| 451 | 0xefef00ef,0x93930093,0x19190019,0x21210021,
|
---|
| 452 | 0x0e0e000e,0x4e4e004e,0x65650065,0xbdbd00bd,
|
---|
| 453 | 0xb8b800b8,0x8f8f008f,0xebeb00eb,0xcece00ce,
|
---|
| 454 | 0x30300030,0x5f5f005f,0xc5c500c5,0x1a1a001a,
|
---|
| 455 | 0xe1e100e1,0xcaca00ca,0x47470047,0x3d3d003d,
|
---|
| 456 | 0x01010001,0xd6d600d6,0x56560056,0x4d4d004d,
|
---|
| 457 | 0x0d0d000d,0x66660066,0xcccc00cc,0x2d2d002d,
|
---|
| 458 | 0x12120012,0x20200020,0xb1b100b1,0x99990099,
|
---|
| 459 | 0x4c4c004c,0xc2c200c2,0x7e7e007e,0x05050005,
|
---|
| 460 | 0xb7b700b7,0x31310031,0x17170017,0xd7d700d7,
|
---|
| 461 | 0x58580058,0x61610061,0x1b1b001b,0x1c1c001c,
|
---|
| 462 | 0x0f0f000f,0x16160016,0x18180018,0x22220022,
|
---|
| 463 | 0x44440044,0xb2b200b2,0xb5b500b5,0x91910091,
|
---|
| 464 | 0x08080008,0xa8a800a8,0xfcfc00fc,0x50500050,
|
---|
| 465 | 0xd0d000d0,0x7d7d007d,0x89890089,0x97970097,
|
---|
| 466 | 0x5b5b005b,0x95950095,0xffff00ff,0xd2d200d2,
|
---|
| 467 | 0xc4c400c4,0x48480048,0xf7f700f7,0xdbdb00db,
|
---|
| 468 | 0x03030003,0xdada00da,0x3f3f003f,0x94940094,
|
---|
| 469 | 0x5c5c005c,0x02020002,0x4a4a004a,0x33330033,
|
---|
| 470 | 0x67670067,0xf3f300f3,0x7f7f007f,0xe2e200e2,
|
---|
| 471 | 0x9b9b009b,0x26260026,0x37370037,0x3b3b003b,
|
---|
| 472 | 0x96960096,0x4b4b004b,0xbebe00be,0x2e2e002e,
|
---|
| 473 | 0x79790079,0x8c8c008c,0x6e6e006e,0x8e8e008e,
|
---|
| 474 | 0xf5f500f5,0xb6b600b6,0xfdfd00fd,0x59590059,
|
---|
| 475 | 0x98980098,0x6a6a006a,0x46460046,0xbaba00ba,
|
---|
| 476 | 0x25250025,0x42420042,0xa2a200a2,0xfafa00fa,
|
---|
| 477 | 0x07070007,0x55550055,0xeeee00ee,0x0a0a000a,
|
---|
| 478 | 0x49490049,0x68680068,0x38380038,0xa4a400a4,
|
---|
| 479 | 0x28280028,0x7b7b007b,0xc9c900c9,0xc1c100c1,
|
---|
| 480 | 0xe3e300e3,0xf4f400f4,0xc7c700c7,0x9e9e009e,
|
---|
| 481 | };
|
---|
| 482 |
|
---|
| 483 |
|
---|
| 484 | /**
|
---|
| 485 | * Stuff related to the Camellia key schedule
|
---|
| 486 | */
|
---|
| 487 | #define subl(x) subL[(x)]
|
---|
| 488 | #define subr(x) subR[(x)]
|
---|
| 489 |
|
---|
| 490 | static int camellia_setup128(const unsigned char *key, u32 *subkey)
|
---|
| 491 | {
|
---|
| 492 | u32 kll, klr, krl, krr;
|
---|
| 493 | u32 il, ir, t0, t1, w0, w1;
|
---|
| 494 | u32 kw4l, kw4r, dw, tl, tr;
|
---|
| 495 |
|
---|
| 496 | #ifdef WOLFSSL_SMALL_STACK
|
---|
| 497 | u32* subL;
|
---|
| 498 | u32* subR;
|
---|
| 499 |
|
---|
| 500 | subL = (u32*) XMALLOC(sizeof(u32) * 26, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
| 501 | if (subL == NULL)
|
---|
| 502 | return MEMORY_E;
|
---|
| 503 |
|
---|
| 504 | subR = (u32*) XMALLOC(sizeof(u32) * 26, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
| 505 | if (subR == NULL) {
|
---|
| 506 | XFREE(subL, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
| 507 | return MEMORY_E;
|
---|
| 508 | }
|
---|
| 509 | #else
|
---|
| 510 | u32 subL[26];
|
---|
| 511 | u32 subR[26];
|
---|
| 512 | #endif
|
---|
| 513 |
|
---|
| 514 | /**
|
---|
| 515 | * k == kll || klr || krl || krr (|| is concatenation)
|
---|
| 516 | */
|
---|
| 517 | kll = GETU32(key );
|
---|
| 518 | klr = GETU32(key + 4);
|
---|
| 519 | krl = GETU32(key + 8);
|
---|
| 520 | krr = GETU32(key + 12);
|
---|
| 521 | /**
|
---|
| 522 | * generate KL dependent subkeys
|
---|
| 523 | */
|
---|
| 524 | subl(0) = kll; subr(0) = klr;
|
---|
| 525 | subl(1) = krl; subr(1) = krr;
|
---|
| 526 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
|
---|
| 527 | subl(4) = kll; subr(4) = klr;
|
---|
| 528 | subl(5) = krl; subr(5) = krr;
|
---|
| 529 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30);
|
---|
| 530 | subl(10) = kll; subr(10) = klr;
|
---|
| 531 | subl(11) = krl; subr(11) = krr;
|
---|
| 532 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
|
---|
| 533 | subl(13) = krl; subr(13) = krr;
|
---|
| 534 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
|
---|
| 535 | subl(16) = kll; subr(16) = klr;
|
---|
| 536 | subl(17) = krl; subr(17) = krr;
|
---|
| 537 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
|
---|
| 538 | subl(18) = kll; subr(18) = klr;
|
---|
| 539 | subl(19) = krl; subr(19) = krr;
|
---|
| 540 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
|
---|
| 541 | subl(22) = kll; subr(22) = klr;
|
---|
| 542 | subl(23) = krl; subr(23) = krr;
|
---|
| 543 |
|
---|
| 544 | /* generate KA */
|
---|
| 545 | kll = subl(0); klr = subr(0);
|
---|
| 546 | krl = subl(1); krr = subr(1);
|
---|
| 547 | CAMELLIA_F(kll, klr,
|
---|
| 548 | CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R,
|
---|
| 549 | w0, w1, il, ir, t0, t1);
|
---|
| 550 | krl ^= w0; krr ^= w1;
|
---|
| 551 | CAMELLIA_F(krl, krr,
|
---|
| 552 | CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R,
|
---|
| 553 | kll, klr, il, ir, t0, t1);
|
---|
| 554 | CAMELLIA_F(kll, klr,
|
---|
| 555 | CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R,
|
---|
| 556 | krl, krr, il, ir, t0, t1);
|
---|
| 557 | krl ^= w0; krr ^= w1;
|
---|
| 558 | CAMELLIA_F(krl, krr,
|
---|
| 559 | CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R,
|
---|
| 560 | w0, w1, il, ir, t0, t1);
|
---|
| 561 | kll ^= w0; klr ^= w1;
|
---|
| 562 |
|
---|
| 563 | /* generate KA dependent subkeys */
|
---|
| 564 | subl(2) = kll; subr(2) = klr;
|
---|
| 565 | subl(3) = krl; subr(3) = krr;
|
---|
| 566 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
|
---|
| 567 | subl(6) = kll; subr(6) = klr;
|
---|
| 568 | subl(7) = krl; subr(7) = krr;
|
---|
| 569 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
|
---|
| 570 | subl(8) = kll; subr(8) = klr;
|
---|
| 571 | subl(9) = krl; subr(9) = krr;
|
---|
| 572 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
|
---|
| 573 | subl(12) = kll; subr(12) = klr;
|
---|
| 574 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
|
---|
| 575 | subl(14) = kll; subr(14) = klr;
|
---|
| 576 | subl(15) = krl; subr(15) = krr;
|
---|
| 577 | CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34);
|
---|
| 578 | subl(20) = kll; subr(20) = klr;
|
---|
| 579 | subl(21) = krl; subr(21) = krr;
|
---|
| 580 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
|
---|
| 581 | subl(24) = kll; subr(24) = klr;
|
---|
| 582 | subl(25) = krl; subr(25) = krr;
|
---|
| 583 |
|
---|
| 584 |
|
---|
| 585 | /* absorb kw2 to other subkeys */
|
---|
| 586 | subl(3) ^= subl(1); subr(3) ^= subr(1);
|
---|
| 587 | subl(5) ^= subl(1); subr(5) ^= subr(1);
|
---|
| 588 | subl(7) ^= subl(1); subr(7) ^= subr(1);
|
---|
| 589 | subl(1) ^= subr(1) & ~subr(9);
|
---|
| 590 | dw = subl(1) & subl(9), subr(1) ^= CAMELLIA_RL1(dw);
|
---|
| 591 | subl(11) ^= subl(1); subr(11) ^= subr(1);
|
---|
| 592 | subl(13) ^= subl(1); subr(13) ^= subr(1);
|
---|
| 593 | subl(15) ^= subl(1); subr(15) ^= subr(1);
|
---|
| 594 | subl(1) ^= subr(1) & ~subr(17);
|
---|
| 595 | dw = subl(1) & subl(17), subr(1) ^= CAMELLIA_RL1(dw);
|
---|
| 596 | subl(19) ^= subl(1); subr(19) ^= subr(1);
|
---|
| 597 | subl(21) ^= subl(1); subr(21) ^= subr(1);
|
---|
| 598 | subl(23) ^= subl(1); subr(23) ^= subr(1);
|
---|
| 599 | subl(24) ^= subl(1); subr(24) ^= subr(1);
|
---|
| 600 |
|
---|
| 601 | /* absorb kw4 to other subkeys */
|
---|
| 602 | kw4l = subl(25); kw4r = subr(25);
|
---|
| 603 | subl(22) ^= kw4l; subr(22) ^= kw4r;
|
---|
| 604 | subl(20) ^= kw4l; subr(20) ^= kw4r;
|
---|
| 605 | subl(18) ^= kw4l; subr(18) ^= kw4r;
|
---|
| 606 | kw4l ^= kw4r & ~subr(16);
|
---|
| 607 | dw = kw4l & subl(16), kw4r ^= CAMELLIA_RL1(dw);
|
---|
| 608 | subl(14) ^= kw4l; subr(14) ^= kw4r;
|
---|
| 609 | subl(12) ^= kw4l; subr(12) ^= kw4r;
|
---|
| 610 | subl(10) ^= kw4l; subr(10) ^= kw4r;
|
---|
| 611 | kw4l ^= kw4r & ~subr(8);
|
---|
| 612 | dw = kw4l & subl(8), kw4r ^= CAMELLIA_RL1(dw);
|
---|
| 613 | subl(6) ^= kw4l; subr(6) ^= kw4r;
|
---|
| 614 | subl(4) ^= kw4l; subr(4) ^= kw4r;
|
---|
| 615 | subl(2) ^= kw4l; subr(2) ^= kw4r;
|
---|
| 616 | subl(0) ^= kw4l; subr(0) ^= kw4r;
|
---|
| 617 |
|
---|
| 618 | /* key XOR is end of F-function */
|
---|
| 619 | CamelliaSubkeyL(0) = subl(0) ^ subl(2);
|
---|
| 620 | CamelliaSubkeyR(0) = subr(0) ^ subr(2);
|
---|
| 621 | CamelliaSubkeyL(2) = subl(3);
|
---|
| 622 | CamelliaSubkeyR(2) = subr(3);
|
---|
| 623 | CamelliaSubkeyL(3) = subl(2) ^ subl(4);
|
---|
| 624 | CamelliaSubkeyR(3) = subr(2) ^ subr(4);
|
---|
| 625 | CamelliaSubkeyL(4) = subl(3) ^ subl(5);
|
---|
| 626 | CamelliaSubkeyR(4) = subr(3) ^ subr(5);
|
---|
| 627 | CamelliaSubkeyL(5) = subl(4) ^ subl(6);
|
---|
| 628 | CamelliaSubkeyR(5) = subr(4) ^ subr(6);
|
---|
| 629 | CamelliaSubkeyL(6) = subl(5) ^ subl(7);
|
---|
| 630 | CamelliaSubkeyR(6) = subr(5) ^ subr(7);
|
---|
| 631 | tl = subl(10) ^ (subr(10) & ~subr(8));
|
---|
| 632 | dw = tl & subl(8), tr = subr(10) ^ CAMELLIA_RL1(dw);
|
---|
| 633 | CamelliaSubkeyL(7) = subl(6) ^ tl;
|
---|
| 634 | CamelliaSubkeyR(7) = subr(6) ^ tr;
|
---|
| 635 | CamelliaSubkeyL(8) = subl(8);
|
---|
| 636 | CamelliaSubkeyR(8) = subr(8);
|
---|
| 637 | CamelliaSubkeyL(9) = subl(9);
|
---|
| 638 | CamelliaSubkeyR(9) = subr(9);
|
---|
| 639 | tl = subl(7) ^ (subr(7) & ~subr(9));
|
---|
| 640 | dw = tl & subl(9), tr = subr(7) ^ CAMELLIA_RL1(dw);
|
---|
| 641 | CamelliaSubkeyL(10) = tl ^ subl(11);
|
---|
| 642 | CamelliaSubkeyR(10) = tr ^ subr(11);
|
---|
| 643 | CamelliaSubkeyL(11) = subl(10) ^ subl(12);
|
---|
| 644 | CamelliaSubkeyR(11) = subr(10) ^ subr(12);
|
---|
| 645 | CamelliaSubkeyL(12) = subl(11) ^ subl(13);
|
---|
| 646 | CamelliaSubkeyR(12) = subr(11) ^ subr(13);
|
---|
| 647 | CamelliaSubkeyL(13) = subl(12) ^ subl(14);
|
---|
| 648 | CamelliaSubkeyR(13) = subr(12) ^ subr(14);
|
---|
| 649 | CamelliaSubkeyL(14) = subl(13) ^ subl(15);
|
---|
| 650 | CamelliaSubkeyR(14) = subr(13) ^ subr(15);
|
---|
| 651 | tl = subl(18) ^ (subr(18) & ~subr(16));
|
---|
| 652 | dw = tl & subl(16), tr = subr(18) ^ CAMELLIA_RL1(dw);
|
---|
| 653 | CamelliaSubkeyL(15) = subl(14) ^ tl;
|
---|
| 654 | CamelliaSubkeyR(15) = subr(14) ^ tr;
|
---|
| 655 | CamelliaSubkeyL(16) = subl(16);
|
---|
| 656 | CamelliaSubkeyR(16) = subr(16);
|
---|
| 657 | CamelliaSubkeyL(17) = subl(17);
|
---|
| 658 | CamelliaSubkeyR(17) = subr(17);
|
---|
| 659 | tl = subl(15) ^ (subr(15) & ~subr(17));
|
---|
| 660 | dw = tl & subl(17), tr = subr(15) ^ CAMELLIA_RL1(dw);
|
---|
| 661 | CamelliaSubkeyL(18) = tl ^ subl(19);
|
---|
| 662 | CamelliaSubkeyR(18) = tr ^ subr(19);
|
---|
| 663 | CamelliaSubkeyL(19) = subl(18) ^ subl(20);
|
---|
| 664 | CamelliaSubkeyR(19) = subr(18) ^ subr(20);
|
---|
| 665 | CamelliaSubkeyL(20) = subl(19) ^ subl(21);
|
---|
| 666 | CamelliaSubkeyR(20) = subr(19) ^ subr(21);
|
---|
| 667 | CamelliaSubkeyL(21) = subl(20) ^ subl(22);
|
---|
| 668 | CamelliaSubkeyR(21) = subr(20) ^ subr(22);
|
---|
| 669 | CamelliaSubkeyL(22) = subl(21) ^ subl(23);
|
---|
| 670 | CamelliaSubkeyR(22) = subr(21) ^ subr(23);
|
---|
| 671 | CamelliaSubkeyL(23) = subl(22);
|
---|
| 672 | CamelliaSubkeyR(23) = subr(22);
|
---|
| 673 | CamelliaSubkeyL(24) = subl(24) ^ subl(23);
|
---|
| 674 | CamelliaSubkeyR(24) = subr(24) ^ subr(23);
|
---|
| 675 |
|
---|
| 676 | /* apply the inverse of the last half of P-function */
|
---|
| 677 | dw = CamelliaSubkeyL(2) ^ CamelliaSubkeyR(2), dw = CAMELLIA_RL8(dw);
|
---|
| 678 | CamelliaSubkeyR(2) = CamelliaSubkeyL(2) ^ dw, CamelliaSubkeyL(2) = dw;
|
---|
| 679 | dw = CamelliaSubkeyL(3) ^ CamelliaSubkeyR(3), dw = CAMELLIA_RL8(dw);
|
---|
| 680 | CamelliaSubkeyR(3) = CamelliaSubkeyL(3) ^ dw, CamelliaSubkeyL(3) = dw;
|
---|
| 681 | dw = CamelliaSubkeyL(4) ^ CamelliaSubkeyR(4), dw = CAMELLIA_RL8(dw);
|
---|
| 682 | CamelliaSubkeyR(4) = CamelliaSubkeyL(4) ^ dw, CamelliaSubkeyL(4) = dw;
|
---|
| 683 | dw = CamelliaSubkeyL(5) ^ CamelliaSubkeyR(5), dw = CAMELLIA_RL8(dw);
|
---|
| 684 | CamelliaSubkeyR(5) = CamelliaSubkeyL(5) ^ dw, CamelliaSubkeyL(5) = dw;
|
---|
| 685 | dw = CamelliaSubkeyL(6) ^ CamelliaSubkeyR(6), dw = CAMELLIA_RL8(dw);
|
---|
| 686 | CamelliaSubkeyR(6) = CamelliaSubkeyL(6) ^ dw, CamelliaSubkeyL(6) = dw;
|
---|
| 687 | dw = CamelliaSubkeyL(7) ^ CamelliaSubkeyR(7), dw = CAMELLIA_RL8(dw);
|
---|
| 688 | CamelliaSubkeyR(7) = CamelliaSubkeyL(7) ^ dw, CamelliaSubkeyL(7) = dw;
|
---|
| 689 | dw = CamelliaSubkeyL(10) ^ CamelliaSubkeyR(10), dw = CAMELLIA_RL8(dw);
|
---|
| 690 | CamelliaSubkeyR(10) = CamelliaSubkeyL(10) ^ dw, CamelliaSubkeyL(10) = dw;
|
---|
| 691 | dw = CamelliaSubkeyL(11) ^ CamelliaSubkeyR(11), dw = CAMELLIA_RL8(dw);
|
---|
| 692 | CamelliaSubkeyR(11) = CamelliaSubkeyL(11) ^ dw, CamelliaSubkeyL(11) = dw;
|
---|
| 693 | dw = CamelliaSubkeyL(12) ^ CamelliaSubkeyR(12), dw = CAMELLIA_RL8(dw);
|
---|
| 694 | CamelliaSubkeyR(12) = CamelliaSubkeyL(12) ^ dw, CamelliaSubkeyL(12) = dw;
|
---|
| 695 | dw = CamelliaSubkeyL(13) ^ CamelliaSubkeyR(13), dw = CAMELLIA_RL8(dw);
|
---|
| 696 | CamelliaSubkeyR(13) = CamelliaSubkeyL(13) ^ dw, CamelliaSubkeyL(13) = dw;
|
---|
| 697 | dw = CamelliaSubkeyL(14) ^ CamelliaSubkeyR(14), dw = CAMELLIA_RL8(dw);
|
---|
| 698 | CamelliaSubkeyR(14) = CamelliaSubkeyL(14) ^ dw, CamelliaSubkeyL(14) = dw;
|
---|
| 699 | dw = CamelliaSubkeyL(15) ^ CamelliaSubkeyR(15), dw = CAMELLIA_RL8(dw);
|
---|
| 700 | CamelliaSubkeyR(15) = CamelliaSubkeyL(15) ^ dw, CamelliaSubkeyL(15) = dw;
|
---|
| 701 | dw = CamelliaSubkeyL(18) ^ CamelliaSubkeyR(18), dw = CAMELLIA_RL8(dw);
|
---|
| 702 | CamelliaSubkeyR(18) = CamelliaSubkeyL(18) ^ dw, CamelliaSubkeyL(18) = dw;
|
---|
| 703 | dw = CamelliaSubkeyL(19) ^ CamelliaSubkeyR(19), dw = CAMELLIA_RL8(dw);
|
---|
| 704 | CamelliaSubkeyR(19) = CamelliaSubkeyL(19) ^ dw, CamelliaSubkeyL(19) = dw;
|
---|
| 705 | dw = CamelliaSubkeyL(20) ^ CamelliaSubkeyR(20), dw = CAMELLIA_RL8(dw);
|
---|
| 706 | CamelliaSubkeyR(20) = CamelliaSubkeyL(20) ^ dw, CamelliaSubkeyL(20) = dw;
|
---|
| 707 | dw = CamelliaSubkeyL(21) ^ CamelliaSubkeyR(21), dw = CAMELLIA_RL8(dw);
|
---|
| 708 | CamelliaSubkeyR(21) = CamelliaSubkeyL(21) ^ dw, CamelliaSubkeyL(21) = dw;
|
---|
| 709 | dw = CamelliaSubkeyL(22) ^ CamelliaSubkeyR(22), dw = CAMELLIA_RL8(dw);
|
---|
| 710 | CamelliaSubkeyR(22) = CamelliaSubkeyL(22) ^ dw, CamelliaSubkeyL(22) = dw;
|
---|
| 711 | dw = CamelliaSubkeyL(23) ^ CamelliaSubkeyR(23), dw = CAMELLIA_RL8(dw);
|
---|
| 712 | CamelliaSubkeyR(23) = CamelliaSubkeyL(23) ^ dw, CamelliaSubkeyL(23) = dw;
|
---|
| 713 |
|
---|
| 714 | #ifdef WOLFSSL_SMALL_STACK
|
---|
| 715 | XFREE(subL, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
| 716 | XFREE(subR, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
| 717 | #endif
|
---|
| 718 |
|
---|
| 719 | return 0;
|
---|
| 720 | }
|
---|
| 721 |
|
---|
| 722 | static int camellia_setup256(const unsigned char *key, u32 *subkey)
|
---|
| 723 | {
|
---|
| 724 | u32 kll,klr,krl,krr; /* left half of key */
|
---|
| 725 | u32 krll,krlr,krrl,krrr; /* right half of key */
|
---|
| 726 | u32 il, ir, t0, t1, w0, w1; /* temporary variables */
|
---|
| 727 | u32 kw4l, kw4r, dw, tl, tr;
|
---|
| 728 |
|
---|
| 729 | #ifdef WOLFSSL_SMALL_STACK
|
---|
| 730 | u32* subL;
|
---|
| 731 | u32* subR;
|
---|
| 732 |
|
---|
| 733 | subL = (u32*) XMALLOC(sizeof(u32) * 34, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
| 734 | if (subL == NULL)
|
---|
| 735 | return MEMORY_E;
|
---|
| 736 |
|
---|
| 737 | subR = (u32*) XMALLOC(sizeof(u32) * 34, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
| 738 | if (subR == NULL) {
|
---|
| 739 | XFREE(subL, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
| 740 | return MEMORY_E;
|
---|
| 741 | }
|
---|
| 742 | #else
|
---|
| 743 | u32 subL[34];
|
---|
| 744 | u32 subR[34];
|
---|
| 745 | #endif
|
---|
| 746 |
|
---|
| 747 | /**
|
---|
| 748 | * key = (kll || klr || krl || krr || krll || krlr || krrl || krrr)
|
---|
| 749 | * (|| is concatenation)
|
---|
| 750 | */
|
---|
| 751 |
|
---|
| 752 | kll = GETU32(key );
|
---|
| 753 | klr = GETU32(key + 4);
|
---|
| 754 | krl = GETU32(key + 8);
|
---|
| 755 | krr = GETU32(key + 12);
|
---|
| 756 | krll = GETU32(key + 16);
|
---|
| 757 | krlr = GETU32(key + 20);
|
---|
| 758 | krrl = GETU32(key + 24);
|
---|
| 759 | krrr = GETU32(key + 28);
|
---|
| 760 |
|
---|
| 761 | /* generate KL dependent subkeys */
|
---|
| 762 | subl(0) = kll; subr(0) = klr;
|
---|
| 763 | subl(1) = krl; subr(1) = krr;
|
---|
| 764 | CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 45);
|
---|
| 765 | subl(12) = kll; subr(12) = klr;
|
---|
| 766 | subl(13) = krl; subr(13) = krr;
|
---|
| 767 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
|
---|
| 768 | subl(16) = kll; subr(16) = klr;
|
---|
| 769 | subl(17) = krl; subr(17) = krr;
|
---|
| 770 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
|
---|
| 771 | subl(22) = kll; subr(22) = klr;
|
---|
| 772 | subl(23) = krl; subr(23) = krr;
|
---|
| 773 | CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34);
|
---|
| 774 | subl(30) = kll; subr(30) = klr;
|
---|
| 775 | subl(31) = krl; subr(31) = krr;
|
---|
| 776 |
|
---|
| 777 | /* generate KR dependent subkeys */
|
---|
| 778 | CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15);
|
---|
| 779 | subl(4) = krll; subr(4) = krlr;
|
---|
| 780 | subl(5) = krrl; subr(5) = krrr;
|
---|
| 781 | CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15);
|
---|
| 782 | subl(8) = krll; subr(8) = krlr;
|
---|
| 783 | subl(9) = krrl; subr(9) = krrr;
|
---|
| 784 | CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
|
---|
| 785 | subl(18) = krll; subr(18) = krlr;
|
---|
| 786 | subl(19) = krrl; subr(19) = krrr;
|
---|
| 787 | CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34);
|
---|
| 788 | subl(26) = krll; subr(26) = krlr;
|
---|
| 789 | subl(27) = krrl; subr(27) = krrr;
|
---|
| 790 | CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34);
|
---|
| 791 |
|
---|
| 792 | /* generate KA */
|
---|
| 793 | kll = subl(0) ^ krll; klr = subr(0) ^ krlr;
|
---|
| 794 | krl = subl(1) ^ krrl; krr = subr(1) ^ krrr;
|
---|
| 795 | CAMELLIA_F(kll, klr,
|
---|
| 796 | CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R,
|
---|
| 797 | w0, w1, il, ir, t0, t1);
|
---|
| 798 | krl ^= w0; krr ^= w1;
|
---|
| 799 | CAMELLIA_F(krl, krr,
|
---|
| 800 | CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R,
|
---|
| 801 | kll, klr, il, ir, t0, t1);
|
---|
| 802 | kll ^= krll; klr ^= krlr;
|
---|
| 803 | CAMELLIA_F(kll, klr,
|
---|
| 804 | CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R,
|
---|
| 805 | krl, krr, il, ir, t0, t1);
|
---|
| 806 | krl ^= w0 ^ krrl; krr ^= w1 ^ krrr;
|
---|
| 807 | CAMELLIA_F(krl, krr,
|
---|
| 808 | CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R,
|
---|
| 809 | w0, w1, il, ir, t0, t1);
|
---|
| 810 | kll ^= w0; klr ^= w1;
|
---|
| 811 |
|
---|
| 812 | /* generate KB */
|
---|
| 813 | krll ^= kll; krlr ^= klr;
|
---|
| 814 | krrl ^= krl; krrr ^= krr;
|
---|
| 815 | CAMELLIA_F(krll, krlr,
|
---|
| 816 | CAMELLIA_SIGMA5L, CAMELLIA_SIGMA5R,
|
---|
| 817 | w0, w1, il, ir, t0, t1);
|
---|
| 818 | krrl ^= w0; krrr ^= w1;
|
---|
| 819 | CAMELLIA_F(krrl, krrr,
|
---|
| 820 | CAMELLIA_SIGMA6L, CAMELLIA_SIGMA6R,
|
---|
| 821 | w0, w1, il, ir, t0, t1);
|
---|
| 822 | krll ^= w0; krlr ^= w1;
|
---|
| 823 |
|
---|
| 824 | /* generate KA dependent subkeys */
|
---|
| 825 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
|
---|
| 826 | subl(6) = kll; subr(6) = klr;
|
---|
| 827 | subl(7) = krl; subr(7) = krr;
|
---|
| 828 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30);
|
---|
| 829 | subl(14) = kll; subr(14) = klr;
|
---|
| 830 | subl(15) = krl; subr(15) = krr;
|
---|
| 831 | subl(24) = klr; subr(24) = krl;
|
---|
| 832 | subl(25) = krr; subr(25) = kll;
|
---|
| 833 | CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 49);
|
---|
| 834 | subl(28) = kll; subr(28) = klr;
|
---|
| 835 | subl(29) = krl; subr(29) = krr;
|
---|
| 836 |
|
---|
| 837 | /* generate KB dependent subkeys */
|
---|
| 838 | subl(2) = krll; subr(2) = krlr;
|
---|
| 839 | subl(3) = krrl; subr(3) = krrr;
|
---|
| 840 | CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
|
---|
| 841 | subl(10) = krll; subr(10) = krlr;
|
---|
| 842 | subl(11) = krrl; subr(11) = krrr;
|
---|
| 843 | CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
|
---|
| 844 | subl(20) = krll; subr(20) = krlr;
|
---|
| 845 | subl(21) = krrl; subr(21) = krrr;
|
---|
| 846 | CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 51);
|
---|
| 847 | subl(32) = krll; subr(32) = krlr;
|
---|
| 848 | subl(33) = krrl; subr(33) = krrr;
|
---|
| 849 |
|
---|
| 850 | /* absorb kw2 to other subkeys */
|
---|
| 851 | subl(3) ^= subl(1); subr(3) ^= subr(1);
|
---|
| 852 | subl(5) ^= subl(1); subr(5) ^= subr(1);
|
---|
| 853 | subl(7) ^= subl(1); subr(7) ^= subr(1);
|
---|
| 854 | subl(1) ^= subr(1) & ~subr(9);
|
---|
| 855 | dw = subl(1) & subl(9), subr(1) ^= CAMELLIA_RL1(dw);
|
---|
| 856 | subl(11) ^= subl(1); subr(11) ^= subr(1);
|
---|
| 857 | subl(13) ^= subl(1); subr(13) ^= subr(1);
|
---|
| 858 | subl(15) ^= subl(1); subr(15) ^= subr(1);
|
---|
| 859 | subl(1) ^= subr(1) & ~subr(17);
|
---|
| 860 | dw = subl(1) & subl(17), subr(1) ^= CAMELLIA_RL1(dw);
|
---|
| 861 | subl(19) ^= subl(1); subr(19) ^= subr(1);
|
---|
| 862 | subl(21) ^= subl(1); subr(21) ^= subr(1);
|
---|
| 863 | subl(23) ^= subl(1); subr(23) ^= subr(1);
|
---|
| 864 | subl(1) ^= subr(1) & ~subr(25);
|
---|
| 865 | dw = subl(1) & subl(25), subr(1) ^= CAMELLIA_RL1(dw);
|
---|
| 866 | subl(27) ^= subl(1); subr(27) ^= subr(1);
|
---|
| 867 | subl(29) ^= subl(1); subr(29) ^= subr(1);
|
---|
| 868 | subl(31) ^= subl(1); subr(31) ^= subr(1);
|
---|
| 869 | subl(32) ^= subl(1); subr(32) ^= subr(1);
|
---|
| 870 |
|
---|
| 871 | /* absorb kw4 to other subkeys */
|
---|
| 872 | kw4l = subl(33); kw4r = subr(33);
|
---|
| 873 | subl(30) ^= kw4l; subr(30) ^= kw4r;
|
---|
| 874 | subl(28) ^= kw4l; subr(28) ^= kw4r;
|
---|
| 875 | subl(26) ^= kw4l; subr(26) ^= kw4r;
|
---|
| 876 | kw4l ^= kw4r & ~subr(24);
|
---|
| 877 | dw = kw4l & subl(24), kw4r ^= CAMELLIA_RL1(dw);
|
---|
| 878 | subl(22) ^= kw4l; subr(22) ^= kw4r;
|
---|
| 879 | subl(20) ^= kw4l; subr(20) ^= kw4r;
|
---|
| 880 | subl(18) ^= kw4l; subr(18) ^= kw4r;
|
---|
| 881 | kw4l ^= kw4r & ~subr(16);
|
---|
| 882 | dw = kw4l & subl(16), kw4r ^= CAMELLIA_RL1(dw);
|
---|
| 883 | subl(14) ^= kw4l; subr(14) ^= kw4r;
|
---|
| 884 | subl(12) ^= kw4l; subr(12) ^= kw4r;
|
---|
| 885 | subl(10) ^= kw4l; subr(10) ^= kw4r;
|
---|
| 886 | kw4l ^= kw4r & ~subr(8);
|
---|
| 887 | dw = kw4l & subl(8), kw4r ^= CAMELLIA_RL1(dw);
|
---|
| 888 | subl(6) ^= kw4l; subr(6) ^= kw4r;
|
---|
| 889 | subl(4) ^= kw4l; subr(4) ^= kw4r;
|
---|
| 890 | subl(2) ^= kw4l; subr(2) ^= kw4r;
|
---|
| 891 | subl(0) ^= kw4l; subr(0) ^= kw4r;
|
---|
| 892 |
|
---|
| 893 | /* key XOR is end of F-function */
|
---|
| 894 | CamelliaSubkeyL(0) = subl(0) ^ subl(2);
|
---|
| 895 | CamelliaSubkeyR(0) = subr(0) ^ subr(2);
|
---|
| 896 | CamelliaSubkeyL(2) = subl(3);
|
---|
| 897 | CamelliaSubkeyR(2) = subr(3);
|
---|
| 898 | CamelliaSubkeyL(3) = subl(2) ^ subl(4);
|
---|
| 899 | CamelliaSubkeyR(3) = subr(2) ^ subr(4);
|
---|
| 900 | CamelliaSubkeyL(4) = subl(3) ^ subl(5);
|
---|
| 901 | CamelliaSubkeyR(4) = subr(3) ^ subr(5);
|
---|
| 902 | CamelliaSubkeyL(5) = subl(4) ^ subl(6);
|
---|
| 903 | CamelliaSubkeyR(5) = subr(4) ^ subr(6);
|
---|
| 904 | CamelliaSubkeyL(6) = subl(5) ^ subl(7);
|
---|
| 905 | CamelliaSubkeyR(6) = subr(5) ^ subr(7);
|
---|
| 906 | tl = subl(10) ^ (subr(10) & ~subr(8));
|
---|
| 907 | dw = tl & subl(8), tr = subr(10) ^ CAMELLIA_RL1(dw);
|
---|
| 908 | CamelliaSubkeyL(7) = subl(6) ^ tl;
|
---|
| 909 | CamelliaSubkeyR(7) = subr(6) ^ tr;
|
---|
| 910 | CamelliaSubkeyL(8) = subl(8);
|
---|
| 911 | CamelliaSubkeyR(8) = subr(8);
|
---|
| 912 | CamelliaSubkeyL(9) = subl(9);
|
---|
| 913 | CamelliaSubkeyR(9) = subr(9);
|
---|
| 914 | tl = subl(7) ^ (subr(7) & ~subr(9));
|
---|
| 915 | dw = tl & subl(9), tr = subr(7) ^ CAMELLIA_RL1(dw);
|
---|
| 916 | CamelliaSubkeyL(10) = tl ^ subl(11);
|
---|
| 917 | CamelliaSubkeyR(10) = tr ^ subr(11);
|
---|
| 918 | CamelliaSubkeyL(11) = subl(10) ^ subl(12);
|
---|
| 919 | CamelliaSubkeyR(11) = subr(10) ^ subr(12);
|
---|
| 920 | CamelliaSubkeyL(12) = subl(11) ^ subl(13);
|
---|
| 921 | CamelliaSubkeyR(12) = subr(11) ^ subr(13);
|
---|
| 922 | CamelliaSubkeyL(13) = subl(12) ^ subl(14);
|
---|
| 923 | CamelliaSubkeyR(13) = subr(12) ^ subr(14);
|
---|
| 924 | CamelliaSubkeyL(14) = subl(13) ^ subl(15);
|
---|
| 925 | CamelliaSubkeyR(14) = subr(13) ^ subr(15);
|
---|
| 926 | tl = subl(18) ^ (subr(18) & ~subr(16));
|
---|
| 927 | dw = tl & subl(16), tr = subr(18) ^ CAMELLIA_RL1(dw);
|
---|
| 928 | CamelliaSubkeyL(15) = subl(14) ^ tl;
|
---|
| 929 | CamelliaSubkeyR(15) = subr(14) ^ tr;
|
---|
| 930 | CamelliaSubkeyL(16) = subl(16);
|
---|
| 931 | CamelliaSubkeyR(16) = subr(16);
|
---|
| 932 | CamelliaSubkeyL(17) = subl(17);
|
---|
| 933 | CamelliaSubkeyR(17) = subr(17);
|
---|
| 934 | tl = subl(15) ^ (subr(15) & ~subr(17));
|
---|
| 935 | dw = tl & subl(17), tr = subr(15) ^ CAMELLIA_RL1(dw);
|
---|
| 936 | CamelliaSubkeyL(18) = tl ^ subl(19);
|
---|
| 937 | CamelliaSubkeyR(18) = tr ^ subr(19);
|
---|
| 938 | CamelliaSubkeyL(19) = subl(18) ^ subl(20);
|
---|
| 939 | CamelliaSubkeyR(19) = subr(18) ^ subr(20);
|
---|
| 940 | CamelliaSubkeyL(20) = subl(19) ^ subl(21);
|
---|
| 941 | CamelliaSubkeyR(20) = subr(19) ^ subr(21);
|
---|
| 942 | CamelliaSubkeyL(21) = subl(20) ^ subl(22);
|
---|
| 943 | CamelliaSubkeyR(21) = subr(20) ^ subr(22);
|
---|
| 944 | CamelliaSubkeyL(22) = subl(21) ^ subl(23);
|
---|
| 945 | CamelliaSubkeyR(22) = subr(21) ^ subr(23);
|
---|
| 946 | tl = subl(26) ^ (subr(26) & ~subr(24));
|
---|
| 947 | dw = tl & subl(24), tr = subr(26) ^ CAMELLIA_RL1(dw);
|
---|
| 948 | CamelliaSubkeyL(23) = subl(22) ^ tl;
|
---|
| 949 | CamelliaSubkeyR(23) = subr(22) ^ tr;
|
---|
| 950 | CamelliaSubkeyL(24) = subl(24);
|
---|
| 951 | CamelliaSubkeyR(24) = subr(24);
|
---|
| 952 | CamelliaSubkeyL(25) = subl(25);
|
---|
| 953 | CamelliaSubkeyR(25) = subr(25);
|
---|
| 954 | tl = subl(23) ^ (subr(23) & ~subr(25));
|
---|
| 955 | dw = tl & subl(25), tr = subr(23) ^ CAMELLIA_RL1(dw);
|
---|
| 956 | CamelliaSubkeyL(26) = tl ^ subl(27);
|
---|
| 957 | CamelliaSubkeyR(26) = tr ^ subr(27);
|
---|
| 958 | CamelliaSubkeyL(27) = subl(26) ^ subl(28);
|
---|
| 959 | CamelliaSubkeyR(27) = subr(26) ^ subr(28);
|
---|
| 960 | CamelliaSubkeyL(28) = subl(27) ^ subl(29);
|
---|
| 961 | CamelliaSubkeyR(28) = subr(27) ^ subr(29);
|
---|
| 962 | CamelliaSubkeyL(29) = subl(28) ^ subl(30);
|
---|
| 963 | CamelliaSubkeyR(29) = subr(28) ^ subr(30);
|
---|
| 964 | CamelliaSubkeyL(30) = subl(29) ^ subl(31);
|
---|
| 965 | CamelliaSubkeyR(30) = subr(29) ^ subr(31);
|
---|
| 966 | CamelliaSubkeyL(31) = subl(30);
|
---|
| 967 | CamelliaSubkeyR(31) = subr(30);
|
---|
| 968 | CamelliaSubkeyL(32) = subl(32) ^ subl(31);
|
---|
| 969 | CamelliaSubkeyR(32) = subr(32) ^ subr(31);
|
---|
| 970 |
|
---|
| 971 | /* apply the inverse of the last half of P-function */
|
---|
| 972 | dw = CamelliaSubkeyL(2) ^ CamelliaSubkeyR(2), dw = CAMELLIA_RL8(dw);
|
---|
| 973 | CamelliaSubkeyR(2) = CamelliaSubkeyL(2) ^ dw, CamelliaSubkeyL(2) = dw;
|
---|
| 974 | dw = CamelliaSubkeyL(3) ^ CamelliaSubkeyR(3), dw = CAMELLIA_RL8(dw);
|
---|
| 975 | CamelliaSubkeyR(3) = CamelliaSubkeyL(3) ^ dw, CamelliaSubkeyL(3) = dw;
|
---|
| 976 | dw = CamelliaSubkeyL(4) ^ CamelliaSubkeyR(4), dw = CAMELLIA_RL8(dw);
|
---|
| 977 | CamelliaSubkeyR(4) = CamelliaSubkeyL(4) ^ dw, CamelliaSubkeyL(4) = dw;
|
---|
| 978 | dw = CamelliaSubkeyL(5) ^ CamelliaSubkeyR(5), dw = CAMELLIA_RL8(dw);
|
---|
| 979 | CamelliaSubkeyR(5) = CamelliaSubkeyL(5) ^ dw, CamelliaSubkeyL(5) = dw;
|
---|
| 980 | dw = CamelliaSubkeyL(6) ^ CamelliaSubkeyR(6), dw = CAMELLIA_RL8(dw);
|
---|
| 981 | CamelliaSubkeyR(6) = CamelliaSubkeyL(6) ^ dw, CamelliaSubkeyL(6) = dw;
|
---|
| 982 | dw = CamelliaSubkeyL(7) ^ CamelliaSubkeyR(7), dw = CAMELLIA_RL8(dw);
|
---|
| 983 | CamelliaSubkeyR(7) = CamelliaSubkeyL(7) ^ dw, CamelliaSubkeyL(7) = dw;
|
---|
| 984 | dw = CamelliaSubkeyL(10) ^ CamelliaSubkeyR(10), dw = CAMELLIA_RL8(dw);
|
---|
| 985 | CamelliaSubkeyR(10) = CamelliaSubkeyL(10) ^ dw, CamelliaSubkeyL(10) = dw;
|
---|
| 986 | dw = CamelliaSubkeyL(11) ^ CamelliaSubkeyR(11), dw = CAMELLIA_RL8(dw);
|
---|
| 987 | CamelliaSubkeyR(11) = CamelliaSubkeyL(11) ^ dw, CamelliaSubkeyL(11) = dw;
|
---|
| 988 | dw = CamelliaSubkeyL(12) ^ CamelliaSubkeyR(12), dw = CAMELLIA_RL8(dw);
|
---|
| 989 | CamelliaSubkeyR(12) = CamelliaSubkeyL(12) ^ dw, CamelliaSubkeyL(12) = dw;
|
---|
| 990 | dw = CamelliaSubkeyL(13) ^ CamelliaSubkeyR(13), dw = CAMELLIA_RL8(dw);
|
---|
| 991 | CamelliaSubkeyR(13) = CamelliaSubkeyL(13) ^ dw, CamelliaSubkeyL(13) = dw;
|
---|
| 992 | dw = CamelliaSubkeyL(14) ^ CamelliaSubkeyR(14), dw = CAMELLIA_RL8(dw);
|
---|
| 993 | CamelliaSubkeyR(14) = CamelliaSubkeyL(14) ^ dw, CamelliaSubkeyL(14) = dw;
|
---|
| 994 | dw = CamelliaSubkeyL(15) ^ CamelliaSubkeyR(15), dw = CAMELLIA_RL8(dw);
|
---|
| 995 | CamelliaSubkeyR(15) = CamelliaSubkeyL(15) ^ dw, CamelliaSubkeyL(15) = dw;
|
---|
| 996 | dw = CamelliaSubkeyL(18) ^ CamelliaSubkeyR(18), dw = CAMELLIA_RL8(dw);
|
---|
| 997 | CamelliaSubkeyR(18) = CamelliaSubkeyL(18) ^ dw, CamelliaSubkeyL(18) = dw;
|
---|
| 998 | dw = CamelliaSubkeyL(19) ^ CamelliaSubkeyR(19), dw = CAMELLIA_RL8(dw);
|
---|
| 999 | CamelliaSubkeyR(19) = CamelliaSubkeyL(19) ^ dw, CamelliaSubkeyL(19) = dw;
|
---|
| 1000 | dw = CamelliaSubkeyL(20) ^ CamelliaSubkeyR(20), dw = CAMELLIA_RL8(dw);
|
---|
| 1001 | CamelliaSubkeyR(20) = CamelliaSubkeyL(20) ^ dw, CamelliaSubkeyL(20) = dw;
|
---|
| 1002 | dw = CamelliaSubkeyL(21) ^ CamelliaSubkeyR(21), dw = CAMELLIA_RL8(dw);
|
---|
| 1003 | CamelliaSubkeyR(21) = CamelliaSubkeyL(21) ^ dw, CamelliaSubkeyL(21) = dw;
|
---|
| 1004 | dw = CamelliaSubkeyL(22) ^ CamelliaSubkeyR(22), dw = CAMELLIA_RL8(dw);
|
---|
| 1005 | CamelliaSubkeyR(22) = CamelliaSubkeyL(22) ^ dw, CamelliaSubkeyL(22) = dw;
|
---|
| 1006 | dw = CamelliaSubkeyL(23) ^ CamelliaSubkeyR(23), dw = CAMELLIA_RL8(dw);
|
---|
| 1007 | CamelliaSubkeyR(23) = CamelliaSubkeyL(23) ^ dw, CamelliaSubkeyL(23) = dw;
|
---|
| 1008 | dw = CamelliaSubkeyL(26) ^ CamelliaSubkeyR(26), dw = CAMELLIA_RL8(dw);
|
---|
| 1009 | CamelliaSubkeyR(26) = CamelliaSubkeyL(26) ^ dw, CamelliaSubkeyL(26) = dw;
|
---|
| 1010 | dw = CamelliaSubkeyL(27) ^ CamelliaSubkeyR(27), dw = CAMELLIA_RL8(dw);
|
---|
| 1011 | CamelliaSubkeyR(27) = CamelliaSubkeyL(27) ^ dw, CamelliaSubkeyL(27) = dw;
|
---|
| 1012 | dw = CamelliaSubkeyL(28) ^ CamelliaSubkeyR(28), dw = CAMELLIA_RL8(dw);
|
---|
| 1013 | CamelliaSubkeyR(28) = CamelliaSubkeyL(28) ^ dw, CamelliaSubkeyL(28) = dw;
|
---|
| 1014 | dw = CamelliaSubkeyL(29) ^ CamelliaSubkeyR(29), dw = CAMELLIA_RL8(dw);
|
---|
| 1015 | CamelliaSubkeyR(29) = CamelliaSubkeyL(29) ^ dw, CamelliaSubkeyL(29) = dw;
|
---|
| 1016 | dw = CamelliaSubkeyL(30) ^ CamelliaSubkeyR(30), dw = CAMELLIA_RL8(dw);
|
---|
| 1017 | CamelliaSubkeyR(30) = CamelliaSubkeyL(30) ^ dw, CamelliaSubkeyL(30) = dw;
|
---|
| 1018 | dw = CamelliaSubkeyL(31) ^ CamelliaSubkeyR(31), dw = CAMELLIA_RL8(dw);
|
---|
| 1019 | CamelliaSubkeyR(31) = CamelliaSubkeyL(31) ^ dw,CamelliaSubkeyL(31) = dw;
|
---|
| 1020 |
|
---|
| 1021 | #ifdef WOLFSSL_SMALL_STACK
|
---|
| 1022 | XFREE(subL, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
| 1023 | XFREE(subR, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
| 1024 | #endif
|
---|
| 1025 |
|
---|
| 1026 | return 0;
|
---|
| 1027 | }
|
---|
| 1028 |
|
---|
| 1029 | static int camellia_setup192(const unsigned char *key, u32 *subkey)
|
---|
| 1030 | {
|
---|
| 1031 | unsigned char kk[32];
|
---|
| 1032 | u32 krll, krlr, krrl,krrr;
|
---|
| 1033 |
|
---|
| 1034 | XMEMCPY(kk, key, 24);
|
---|
| 1035 | XMEMCPY((unsigned char *)&krll, key+16,4);
|
---|
| 1036 | XMEMCPY((unsigned char *)&krlr, key+20,4);
|
---|
| 1037 | krrl = ~krll;
|
---|
| 1038 | krrr = ~krlr;
|
---|
| 1039 | XMEMCPY(kk+24, (unsigned char *)&krrl, 4);
|
---|
| 1040 | XMEMCPY(kk+28, (unsigned char *)&krrr, 4);
|
---|
| 1041 |
|
---|
| 1042 | return camellia_setup256(kk, subkey);
|
---|
| 1043 | }
|
---|
| 1044 |
|
---|
| 1045 |
|
---|
| 1046 | /**
|
---|
| 1047 | * Stuff related to camellia encryption/decryption
|
---|
| 1048 | *
|
---|
| 1049 | * "io" must be 4byte aligned and big-endian data.
|
---|
| 1050 | */
|
---|
| 1051 | static void camellia_encrypt128(const u32 *subkey, u32 *io)
|
---|
| 1052 | {
|
---|
| 1053 | u32 il, ir, t0, t1;
|
---|
| 1054 |
|
---|
| 1055 | /* pre whitening but absorb kw2*/
|
---|
| 1056 | io[0] ^= CamelliaSubkeyL(0);
|
---|
| 1057 | io[1] ^= CamelliaSubkeyR(0);
|
---|
| 1058 | /* main iteration */
|
---|
| 1059 |
|
---|
| 1060 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1061 | CamelliaSubkeyL(2),CamelliaSubkeyR(2),
|
---|
| 1062 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1063 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1064 | CamelliaSubkeyL(3),CamelliaSubkeyR(3),
|
---|
| 1065 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1066 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1067 | CamelliaSubkeyL(4),CamelliaSubkeyR(4),
|
---|
| 1068 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1069 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1070 | CamelliaSubkeyL(5),CamelliaSubkeyR(5),
|
---|
| 1071 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1072 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1073 | CamelliaSubkeyL(6),CamelliaSubkeyR(6),
|
---|
| 1074 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1075 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1076 | CamelliaSubkeyL(7),CamelliaSubkeyR(7),
|
---|
| 1077 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1078 |
|
---|
| 1079 | CAMELLIA_FLS(io[0],io[1],io[2],io[3],
|
---|
| 1080 | CamelliaSubkeyL(8),CamelliaSubkeyR(8),
|
---|
| 1081 | CamelliaSubkeyL(9),CamelliaSubkeyR(9),
|
---|
| 1082 | t0,t1,il,ir);
|
---|
| 1083 |
|
---|
| 1084 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1085 | CamelliaSubkeyL(10),CamelliaSubkeyR(10),
|
---|
| 1086 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1087 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1088 | CamelliaSubkeyL(11),CamelliaSubkeyR(11),
|
---|
| 1089 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1090 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1091 | CamelliaSubkeyL(12),CamelliaSubkeyR(12),
|
---|
| 1092 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1093 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1094 | CamelliaSubkeyL(13),CamelliaSubkeyR(13),
|
---|
| 1095 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1096 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1097 | CamelliaSubkeyL(14),CamelliaSubkeyR(14),
|
---|
| 1098 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1099 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1100 | CamelliaSubkeyL(15),CamelliaSubkeyR(15),
|
---|
| 1101 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1102 |
|
---|
| 1103 | CAMELLIA_FLS(io[0],io[1],io[2],io[3],
|
---|
| 1104 | CamelliaSubkeyL(16),CamelliaSubkeyR(16),
|
---|
| 1105 | CamelliaSubkeyL(17),CamelliaSubkeyR(17),
|
---|
| 1106 | t0,t1,il,ir);
|
---|
| 1107 |
|
---|
| 1108 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1109 | CamelliaSubkeyL(18),CamelliaSubkeyR(18),
|
---|
| 1110 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1111 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1112 | CamelliaSubkeyL(19),CamelliaSubkeyR(19),
|
---|
| 1113 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1114 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1115 | CamelliaSubkeyL(20),CamelliaSubkeyR(20),
|
---|
| 1116 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1117 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1118 | CamelliaSubkeyL(21),CamelliaSubkeyR(21),
|
---|
| 1119 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1120 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1121 | CamelliaSubkeyL(22),CamelliaSubkeyR(22),
|
---|
| 1122 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1123 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1124 | CamelliaSubkeyL(23),CamelliaSubkeyR(23),
|
---|
| 1125 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1126 |
|
---|
| 1127 | /* post whitening but kw4 */
|
---|
| 1128 | io[2] ^= CamelliaSubkeyL(24);
|
---|
| 1129 | io[3] ^= CamelliaSubkeyR(24);
|
---|
| 1130 |
|
---|
| 1131 | t0 = io[0];
|
---|
| 1132 | t1 = io[1];
|
---|
| 1133 | io[0] = io[2];
|
---|
| 1134 | io[1] = io[3];
|
---|
| 1135 | io[2] = t0;
|
---|
| 1136 | io[3] = t1;
|
---|
| 1137 |
|
---|
| 1138 | return;
|
---|
| 1139 | }
|
---|
| 1140 |
|
---|
| 1141 | static void camellia_decrypt128(const u32 *subkey, u32 *io)
|
---|
| 1142 | {
|
---|
| 1143 | u32 il,ir,t0,t1; /* temporary variables */
|
---|
| 1144 |
|
---|
| 1145 | /* pre whitening but absorb kw2*/
|
---|
| 1146 | io[0] ^= CamelliaSubkeyL(24);
|
---|
| 1147 | io[1] ^= CamelliaSubkeyR(24);
|
---|
| 1148 |
|
---|
| 1149 | /* main iteration */
|
---|
| 1150 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1151 | CamelliaSubkeyL(23),CamelliaSubkeyR(23),
|
---|
| 1152 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1153 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1154 | CamelliaSubkeyL(22),CamelliaSubkeyR(22),
|
---|
| 1155 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1156 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1157 | CamelliaSubkeyL(21),CamelliaSubkeyR(21),
|
---|
| 1158 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1159 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1160 | CamelliaSubkeyL(20),CamelliaSubkeyR(20),
|
---|
| 1161 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1162 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1163 | CamelliaSubkeyL(19),CamelliaSubkeyR(19),
|
---|
| 1164 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1165 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1166 | CamelliaSubkeyL(18),CamelliaSubkeyR(18),
|
---|
| 1167 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1168 |
|
---|
| 1169 | CAMELLIA_FLS(io[0],io[1],io[2],io[3],
|
---|
| 1170 | CamelliaSubkeyL(17),CamelliaSubkeyR(17),
|
---|
| 1171 | CamelliaSubkeyL(16),CamelliaSubkeyR(16),
|
---|
| 1172 | t0,t1,il,ir);
|
---|
| 1173 |
|
---|
| 1174 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1175 | CamelliaSubkeyL(15),CamelliaSubkeyR(15),
|
---|
| 1176 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1177 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1178 | CamelliaSubkeyL(14),CamelliaSubkeyR(14),
|
---|
| 1179 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1180 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1181 | CamelliaSubkeyL(13),CamelliaSubkeyR(13),
|
---|
| 1182 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1183 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1184 | CamelliaSubkeyL(12),CamelliaSubkeyR(12),
|
---|
| 1185 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1186 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1187 | CamelliaSubkeyL(11),CamelliaSubkeyR(11),
|
---|
| 1188 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1189 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1190 | CamelliaSubkeyL(10),CamelliaSubkeyR(10),
|
---|
| 1191 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1192 |
|
---|
| 1193 | CAMELLIA_FLS(io[0],io[1],io[2],io[3],
|
---|
| 1194 | CamelliaSubkeyL(9),CamelliaSubkeyR(9),
|
---|
| 1195 | CamelliaSubkeyL(8),CamelliaSubkeyR(8),
|
---|
| 1196 | t0,t1,il,ir);
|
---|
| 1197 |
|
---|
| 1198 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1199 | CamelliaSubkeyL(7),CamelliaSubkeyR(7),
|
---|
| 1200 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1201 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1202 | CamelliaSubkeyL(6),CamelliaSubkeyR(6),
|
---|
| 1203 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1204 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1205 | CamelliaSubkeyL(5),CamelliaSubkeyR(5),
|
---|
| 1206 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1207 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1208 | CamelliaSubkeyL(4),CamelliaSubkeyR(4),
|
---|
| 1209 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1210 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1211 | CamelliaSubkeyL(3),CamelliaSubkeyR(3),
|
---|
| 1212 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1213 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1214 | CamelliaSubkeyL(2),CamelliaSubkeyR(2),
|
---|
| 1215 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1216 |
|
---|
| 1217 | /* post whitening but kw4 */
|
---|
| 1218 | io[2] ^= CamelliaSubkeyL(0);
|
---|
| 1219 | io[3] ^= CamelliaSubkeyR(0);
|
---|
| 1220 |
|
---|
| 1221 | t0 = io[0];
|
---|
| 1222 | t1 = io[1];
|
---|
| 1223 | io[0] = io[2];
|
---|
| 1224 | io[1] = io[3];
|
---|
| 1225 | io[2] = t0;
|
---|
| 1226 | io[3] = t1;
|
---|
| 1227 |
|
---|
| 1228 | return;
|
---|
| 1229 | }
|
---|
| 1230 |
|
---|
| 1231 | /**
|
---|
| 1232 | * stuff for 192 and 256bit encryption/decryption
|
---|
| 1233 | */
|
---|
| 1234 | static void camellia_encrypt256(const u32 *subkey, u32 *io)
|
---|
| 1235 | {
|
---|
| 1236 | u32 il,ir,t0,t1; /* temporary variables */
|
---|
| 1237 |
|
---|
| 1238 | /* pre whitening but absorb kw2*/
|
---|
| 1239 | io[0] ^= CamelliaSubkeyL(0);
|
---|
| 1240 | io[1] ^= CamelliaSubkeyR(0);
|
---|
| 1241 |
|
---|
| 1242 | /* main iteration */
|
---|
| 1243 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1244 | CamelliaSubkeyL(2),CamelliaSubkeyR(2),
|
---|
| 1245 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1246 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1247 | CamelliaSubkeyL(3),CamelliaSubkeyR(3),
|
---|
| 1248 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1249 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1250 | CamelliaSubkeyL(4),CamelliaSubkeyR(4),
|
---|
| 1251 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1252 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1253 | CamelliaSubkeyL(5),CamelliaSubkeyR(5),
|
---|
| 1254 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1255 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1256 | CamelliaSubkeyL(6),CamelliaSubkeyR(6),
|
---|
| 1257 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1258 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1259 | CamelliaSubkeyL(7),CamelliaSubkeyR(7),
|
---|
| 1260 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1261 |
|
---|
| 1262 | CAMELLIA_FLS(io[0],io[1],io[2],io[3],
|
---|
| 1263 | CamelliaSubkeyL(8),CamelliaSubkeyR(8),
|
---|
| 1264 | CamelliaSubkeyL(9),CamelliaSubkeyR(9),
|
---|
| 1265 | t0,t1,il,ir);
|
---|
| 1266 |
|
---|
| 1267 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1268 | CamelliaSubkeyL(10),CamelliaSubkeyR(10),
|
---|
| 1269 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1270 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1271 | CamelliaSubkeyL(11),CamelliaSubkeyR(11),
|
---|
| 1272 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1273 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1274 | CamelliaSubkeyL(12),CamelliaSubkeyR(12),
|
---|
| 1275 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1276 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1277 | CamelliaSubkeyL(13),CamelliaSubkeyR(13),
|
---|
| 1278 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1279 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1280 | CamelliaSubkeyL(14),CamelliaSubkeyR(14),
|
---|
| 1281 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1282 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1283 | CamelliaSubkeyL(15),CamelliaSubkeyR(15),
|
---|
| 1284 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1285 |
|
---|
| 1286 | CAMELLIA_FLS(io[0],io[1],io[2],io[3],
|
---|
| 1287 | CamelliaSubkeyL(16),CamelliaSubkeyR(16),
|
---|
| 1288 | CamelliaSubkeyL(17),CamelliaSubkeyR(17),
|
---|
| 1289 | t0,t1,il,ir);
|
---|
| 1290 |
|
---|
| 1291 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1292 | CamelliaSubkeyL(18),CamelliaSubkeyR(18),
|
---|
| 1293 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1294 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1295 | CamelliaSubkeyL(19),CamelliaSubkeyR(19),
|
---|
| 1296 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1297 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1298 | CamelliaSubkeyL(20),CamelliaSubkeyR(20),
|
---|
| 1299 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1300 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1301 | CamelliaSubkeyL(21),CamelliaSubkeyR(21),
|
---|
| 1302 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1303 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1304 | CamelliaSubkeyL(22),CamelliaSubkeyR(22),
|
---|
| 1305 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1306 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1307 | CamelliaSubkeyL(23),CamelliaSubkeyR(23),
|
---|
| 1308 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1309 |
|
---|
| 1310 | CAMELLIA_FLS(io[0],io[1],io[2],io[3],
|
---|
| 1311 | CamelliaSubkeyL(24),CamelliaSubkeyR(24),
|
---|
| 1312 | CamelliaSubkeyL(25),CamelliaSubkeyR(25),
|
---|
| 1313 | t0,t1,il,ir);
|
---|
| 1314 |
|
---|
| 1315 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1316 | CamelliaSubkeyL(26),CamelliaSubkeyR(26),
|
---|
| 1317 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1318 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1319 | CamelliaSubkeyL(27),CamelliaSubkeyR(27),
|
---|
| 1320 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1321 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1322 | CamelliaSubkeyL(28),CamelliaSubkeyR(28),
|
---|
| 1323 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1324 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1325 | CamelliaSubkeyL(29),CamelliaSubkeyR(29),
|
---|
| 1326 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1327 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1328 | CamelliaSubkeyL(30),CamelliaSubkeyR(30),
|
---|
| 1329 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1330 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1331 | CamelliaSubkeyL(31),CamelliaSubkeyR(31),
|
---|
| 1332 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1333 |
|
---|
| 1334 | /* post whitening but kw4 */
|
---|
| 1335 | io[2] ^= CamelliaSubkeyL(32);
|
---|
| 1336 | io[3] ^= CamelliaSubkeyR(32);
|
---|
| 1337 |
|
---|
| 1338 | t0 = io[0];
|
---|
| 1339 | t1 = io[1];
|
---|
| 1340 | io[0] = io[2];
|
---|
| 1341 | io[1] = io[3];
|
---|
| 1342 | io[2] = t0;
|
---|
| 1343 | io[3] = t1;
|
---|
| 1344 |
|
---|
| 1345 | return;
|
---|
| 1346 | }
|
---|
| 1347 |
|
---|
| 1348 | static void camellia_decrypt256(const u32 *subkey, u32 *io)
|
---|
| 1349 | {
|
---|
| 1350 | u32 il,ir,t0,t1; /* temporary variables */
|
---|
| 1351 |
|
---|
| 1352 | /* pre whitening but absorb kw2*/
|
---|
| 1353 | io[0] ^= CamelliaSubkeyL(32);
|
---|
| 1354 | io[1] ^= CamelliaSubkeyR(32);
|
---|
| 1355 |
|
---|
| 1356 | /* main iteration */
|
---|
| 1357 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1358 | CamelliaSubkeyL(31),CamelliaSubkeyR(31),
|
---|
| 1359 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1360 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1361 | CamelliaSubkeyL(30),CamelliaSubkeyR(30),
|
---|
| 1362 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1363 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1364 | CamelliaSubkeyL(29),CamelliaSubkeyR(29),
|
---|
| 1365 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1366 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1367 | CamelliaSubkeyL(28),CamelliaSubkeyR(28),
|
---|
| 1368 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1369 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1370 | CamelliaSubkeyL(27),CamelliaSubkeyR(27),
|
---|
| 1371 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1372 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1373 | CamelliaSubkeyL(26),CamelliaSubkeyR(26),
|
---|
| 1374 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1375 |
|
---|
| 1376 | CAMELLIA_FLS(io[0],io[1],io[2],io[3],
|
---|
| 1377 | CamelliaSubkeyL(25),CamelliaSubkeyR(25),
|
---|
| 1378 | CamelliaSubkeyL(24),CamelliaSubkeyR(24),
|
---|
| 1379 | t0,t1,il,ir);
|
---|
| 1380 |
|
---|
| 1381 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1382 | CamelliaSubkeyL(23),CamelliaSubkeyR(23),
|
---|
| 1383 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1384 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1385 | CamelliaSubkeyL(22),CamelliaSubkeyR(22),
|
---|
| 1386 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1387 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1388 | CamelliaSubkeyL(21),CamelliaSubkeyR(21),
|
---|
| 1389 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1390 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1391 | CamelliaSubkeyL(20),CamelliaSubkeyR(20),
|
---|
| 1392 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1393 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1394 | CamelliaSubkeyL(19),CamelliaSubkeyR(19),
|
---|
| 1395 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1396 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1397 | CamelliaSubkeyL(18),CamelliaSubkeyR(18),
|
---|
| 1398 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1399 |
|
---|
| 1400 | CAMELLIA_FLS(io[0],io[1],io[2],io[3],
|
---|
| 1401 | CamelliaSubkeyL(17),CamelliaSubkeyR(17),
|
---|
| 1402 | CamelliaSubkeyL(16),CamelliaSubkeyR(16),
|
---|
| 1403 | t0,t1,il,ir);
|
---|
| 1404 |
|
---|
| 1405 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1406 | CamelliaSubkeyL(15),CamelliaSubkeyR(15),
|
---|
| 1407 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1408 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1409 | CamelliaSubkeyL(14),CamelliaSubkeyR(14),
|
---|
| 1410 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1411 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1412 | CamelliaSubkeyL(13),CamelliaSubkeyR(13),
|
---|
| 1413 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1414 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1415 | CamelliaSubkeyL(12),CamelliaSubkeyR(12),
|
---|
| 1416 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1417 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1418 | CamelliaSubkeyL(11),CamelliaSubkeyR(11),
|
---|
| 1419 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1420 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1421 | CamelliaSubkeyL(10),CamelliaSubkeyR(10),
|
---|
| 1422 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1423 |
|
---|
| 1424 | CAMELLIA_FLS(io[0],io[1],io[2],io[3],
|
---|
| 1425 | CamelliaSubkeyL(9),CamelliaSubkeyR(9),
|
---|
| 1426 | CamelliaSubkeyL(8),CamelliaSubkeyR(8),
|
---|
| 1427 | t0,t1,il,ir);
|
---|
| 1428 |
|
---|
| 1429 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1430 | CamelliaSubkeyL(7),CamelliaSubkeyR(7),
|
---|
| 1431 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1432 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1433 | CamelliaSubkeyL(6),CamelliaSubkeyR(6),
|
---|
| 1434 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1435 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1436 | CamelliaSubkeyL(5),CamelliaSubkeyR(5),
|
---|
| 1437 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1438 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1439 | CamelliaSubkeyL(4),CamelliaSubkeyR(4),
|
---|
| 1440 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1441 | CAMELLIA_ROUNDSM(io[0],io[1],
|
---|
| 1442 | CamelliaSubkeyL(3),CamelliaSubkeyR(3),
|
---|
| 1443 | io[2],io[3],il,ir,t0,t1);
|
---|
| 1444 | CAMELLIA_ROUNDSM(io[2],io[3],
|
---|
| 1445 | CamelliaSubkeyL(2),CamelliaSubkeyR(2),
|
---|
| 1446 | io[0],io[1],il,ir,t0,t1);
|
---|
| 1447 |
|
---|
| 1448 | /* post whitening but kw4 */
|
---|
| 1449 | io[2] ^= CamelliaSubkeyL(0);
|
---|
| 1450 | io[3] ^= CamelliaSubkeyR(0);
|
---|
| 1451 |
|
---|
| 1452 | t0 = io[0];
|
---|
| 1453 | t1 = io[1];
|
---|
| 1454 | io[0] = io[2];
|
---|
| 1455 | io[1] = io[3];
|
---|
| 1456 | io[2] = t0;
|
---|
| 1457 | io[3] = t1;
|
---|
| 1458 |
|
---|
| 1459 | return;
|
---|
| 1460 | }
|
---|
| 1461 |
|
---|
| 1462 | /***
|
---|
| 1463 | *
|
---|
| 1464 | * API for compatibility
|
---|
| 1465 | */
|
---|
| 1466 |
|
---|
| 1467 | static void Camellia_EncryptBlock(const int keyBitLength,
|
---|
| 1468 | const unsigned char *plaintext,
|
---|
| 1469 | const KEY_TABLE_TYPE keyTable,
|
---|
| 1470 | unsigned char *ciphertext)
|
---|
| 1471 | {
|
---|
| 1472 | u32 tmp[4];
|
---|
| 1473 |
|
---|
| 1474 | tmp[0] = GETU32(plaintext);
|
---|
| 1475 | tmp[1] = GETU32(plaintext + 4);
|
---|
| 1476 | tmp[2] = GETU32(plaintext + 8);
|
---|
| 1477 | tmp[3] = GETU32(plaintext + 12);
|
---|
| 1478 |
|
---|
| 1479 | switch (keyBitLength) {
|
---|
| 1480 | case 128:
|
---|
| 1481 | camellia_encrypt128(keyTable, tmp);
|
---|
| 1482 | break;
|
---|
| 1483 | case 192:
|
---|
| 1484 | /* fall through */
|
---|
| 1485 | case 256:
|
---|
| 1486 | camellia_encrypt256(keyTable, tmp);
|
---|
| 1487 | break;
|
---|
| 1488 | default:
|
---|
| 1489 | break;
|
---|
| 1490 | }
|
---|
| 1491 |
|
---|
| 1492 | PUTU32(ciphertext, tmp[0]);
|
---|
| 1493 | PUTU32(ciphertext + 4, tmp[1]);
|
---|
| 1494 | PUTU32(ciphertext + 8, tmp[2]);
|
---|
| 1495 | PUTU32(ciphertext + 12, tmp[3]);
|
---|
| 1496 | }
|
---|
| 1497 |
|
---|
| 1498 | static void Camellia_DecryptBlock(const int keyBitLength,
|
---|
| 1499 | const unsigned char *ciphertext,
|
---|
| 1500 | const KEY_TABLE_TYPE keyTable,
|
---|
| 1501 | unsigned char *plaintext)
|
---|
| 1502 | {
|
---|
| 1503 | u32 tmp[4];
|
---|
| 1504 |
|
---|
| 1505 | tmp[0] = GETU32(ciphertext);
|
---|
| 1506 | tmp[1] = GETU32(ciphertext + 4);
|
---|
| 1507 | tmp[2] = GETU32(ciphertext + 8);
|
---|
| 1508 | tmp[3] = GETU32(ciphertext + 12);
|
---|
| 1509 |
|
---|
| 1510 | switch (keyBitLength) {
|
---|
| 1511 | case 128:
|
---|
| 1512 | camellia_decrypt128(keyTable, tmp);
|
---|
| 1513 | break;
|
---|
| 1514 | case 192:
|
---|
| 1515 | /* fall through */
|
---|
| 1516 | case 256:
|
---|
| 1517 | camellia_decrypt256(keyTable, tmp);
|
---|
| 1518 | break;
|
---|
| 1519 | default:
|
---|
| 1520 | break;
|
---|
| 1521 | }
|
---|
| 1522 | PUTU32(plaintext, tmp[0]);
|
---|
| 1523 | PUTU32(plaintext + 4, tmp[1]);
|
---|
| 1524 | PUTU32(plaintext + 8, tmp[2]);
|
---|
| 1525 | PUTU32(plaintext + 12, tmp[3]);
|
---|
| 1526 | }
|
---|
| 1527 |
|
---|
| 1528 |
|
---|
| 1529 |
|
---|
| 1530 | /* wolfCrypt wrappers to the Camellia code */
|
---|
| 1531 |
|
---|
| 1532 | int wc_CamelliaSetKey(Camellia* cam, const byte* key, word32 len, const byte* iv)
|
---|
| 1533 | {
|
---|
| 1534 | int ret = 0;
|
---|
| 1535 |
|
---|
| 1536 | if (cam == NULL) return BAD_FUNC_ARG;
|
---|
| 1537 |
|
---|
| 1538 | XMEMSET(cam->key, 0, sizeof(KEY_TABLE_TYPE));
|
---|
| 1539 |
|
---|
| 1540 | switch (len) {
|
---|
| 1541 | case 16:
|
---|
| 1542 | ret = camellia_setup128(key, cam->key);
|
---|
| 1543 | break;
|
---|
| 1544 | case 24:
|
---|
| 1545 | ret = camellia_setup192(key, cam->key);
|
---|
| 1546 | break;
|
---|
| 1547 | case 32:
|
---|
| 1548 | ret = camellia_setup256(key, cam->key);
|
---|
| 1549 | break;
|
---|
| 1550 | default:
|
---|
| 1551 | return BAD_FUNC_ARG;
|
---|
| 1552 | }
|
---|
| 1553 |
|
---|
| 1554 | if (ret != 0)
|
---|
| 1555 | return ret;
|
---|
| 1556 |
|
---|
| 1557 | cam->keySz = len * 8;
|
---|
| 1558 |
|
---|
| 1559 | return wc_CamelliaSetIV(cam, iv);
|
---|
| 1560 | }
|
---|
| 1561 |
|
---|
| 1562 |
|
---|
| 1563 | int wc_CamelliaSetIV(Camellia* cam, const byte* iv)
|
---|
| 1564 | {
|
---|
| 1565 | if (cam == NULL)
|
---|
| 1566 | return BAD_FUNC_ARG;
|
---|
| 1567 |
|
---|
| 1568 | if (iv)
|
---|
| 1569 | XMEMCPY(cam->reg, iv, CAMELLIA_BLOCK_SIZE);
|
---|
| 1570 | else
|
---|
| 1571 | XMEMSET(cam->reg, 0, CAMELLIA_BLOCK_SIZE);
|
---|
| 1572 |
|
---|
| 1573 | return 0;
|
---|
| 1574 | }
|
---|
| 1575 |
|
---|
| 1576 |
|
---|
| 1577 | int wc_CamelliaEncryptDirect(Camellia* cam, byte* out, const byte* in)
|
---|
| 1578 | {
|
---|
| 1579 | if (cam == NULL || out == NULL || in == NULL) {
|
---|
| 1580 | return BAD_FUNC_ARG;
|
---|
| 1581 | }
|
---|
| 1582 | Camellia_EncryptBlock(cam->keySz, in, cam->key, out);
|
---|
| 1583 |
|
---|
| 1584 | return 0;
|
---|
| 1585 | }
|
---|
| 1586 |
|
---|
| 1587 |
|
---|
| 1588 | int wc_CamelliaDecryptDirect(Camellia* cam, byte* out, const byte* in)
|
---|
| 1589 | {
|
---|
| 1590 | if (cam == NULL || out == NULL || in == NULL) {
|
---|
| 1591 | return BAD_FUNC_ARG;
|
---|
| 1592 | }
|
---|
| 1593 | Camellia_DecryptBlock(cam->keySz, in, cam->key, out);
|
---|
| 1594 |
|
---|
| 1595 | return 0;
|
---|
| 1596 | }
|
---|
| 1597 |
|
---|
| 1598 |
|
---|
| 1599 | int wc_CamelliaCbcEncrypt(Camellia* cam, byte* out, const byte* in, word32 sz)
|
---|
| 1600 | {
|
---|
| 1601 | word32 blocks;
|
---|
| 1602 | if (cam == NULL || out == NULL || in == NULL) {
|
---|
| 1603 | return BAD_FUNC_ARG;
|
---|
| 1604 | }
|
---|
| 1605 | blocks = sz / CAMELLIA_BLOCK_SIZE;
|
---|
| 1606 |
|
---|
| 1607 | while (blocks--) {
|
---|
| 1608 | xorbuf((byte*)cam->reg, in, CAMELLIA_BLOCK_SIZE);
|
---|
| 1609 | Camellia_EncryptBlock(cam->keySz, (byte*)cam->reg,
|
---|
| 1610 | cam->key, (byte*)cam->reg);
|
---|
| 1611 | XMEMCPY(out, cam->reg, CAMELLIA_BLOCK_SIZE);
|
---|
| 1612 |
|
---|
| 1613 | out += CAMELLIA_BLOCK_SIZE;
|
---|
| 1614 | in += CAMELLIA_BLOCK_SIZE;
|
---|
| 1615 | }
|
---|
| 1616 |
|
---|
| 1617 | return 0;
|
---|
| 1618 | }
|
---|
| 1619 |
|
---|
| 1620 |
|
---|
| 1621 | int wc_CamelliaCbcDecrypt(Camellia* cam, byte* out, const byte* in, word32 sz)
|
---|
| 1622 | {
|
---|
| 1623 | word32 blocks;
|
---|
| 1624 | if (cam == NULL || out == NULL || in == NULL) {
|
---|
| 1625 | return BAD_FUNC_ARG;
|
---|
| 1626 | }
|
---|
| 1627 | blocks = sz / CAMELLIA_BLOCK_SIZE;
|
---|
| 1628 |
|
---|
| 1629 | while (blocks--) {
|
---|
| 1630 | XMEMCPY(cam->tmp, in, CAMELLIA_BLOCK_SIZE);
|
---|
| 1631 | Camellia_DecryptBlock(cam->keySz, (byte*)cam->tmp, cam->key, out);
|
---|
| 1632 | xorbuf(out, (byte*)cam->reg, CAMELLIA_BLOCK_SIZE);
|
---|
| 1633 | XMEMCPY(cam->reg, cam->tmp, CAMELLIA_BLOCK_SIZE);
|
---|
| 1634 |
|
---|
| 1635 | out += CAMELLIA_BLOCK_SIZE;
|
---|
| 1636 | in += CAMELLIA_BLOCK_SIZE;
|
---|
| 1637 | }
|
---|
| 1638 |
|
---|
| 1639 | return 0;
|
---|
| 1640 | }
|
---|
| 1641 |
|
---|
| 1642 |
|
---|
| 1643 | #endif /* HAVE_CAMELLIA */
|
---|
| 1644 |
|
---|