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security/nss/lib/freebl/camellia.c@b8a032363ba2 (annotated)

security/nss/lib/freebl/camellia.c

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0 1 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 2 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 4
michael@0 5 #ifdef FREEBL_NO_DEPEND
michael@0 6 #include "stubs.h"
michael@0 7 #endif
michael@0 8
michael@0 9 #include "prinit.h"
michael@0 10 #include "prerr.h"
michael@0 11 #include "secerr.h"
michael@0 12
michael@0 13 #include "prtypes.h"
michael@0 14 #include "blapi.h"
michael@0 15 #include "camellia.h"
michael@0 16 #include "sha_fast.h" /* for SHA_HTONL and related configuration macros */
michael@0 17
michael@0 18
michael@0 19 /* key constants */
michael@0 20
michael@0 21 #define CAMELLIA_SIGMA1L (0xA09E667FL)
michael@0 22 #define CAMELLIA_SIGMA1R (0x3BCC908BL)
michael@0 23 #define CAMELLIA_SIGMA2L (0xB67AE858L)
michael@0 24 #define CAMELLIA_SIGMA2R (0x4CAA73B2L)
michael@0 25 #define CAMELLIA_SIGMA3L (0xC6EF372FL)
michael@0 26 #define CAMELLIA_SIGMA3R (0xE94F82BEL)
michael@0 27 #define CAMELLIA_SIGMA4L (0x54FF53A5L)
michael@0 28 #define CAMELLIA_SIGMA4R (0xF1D36F1CL)
michael@0 29 #define CAMELLIA_SIGMA5L (0x10E527FAL)
michael@0 30 #define CAMELLIA_SIGMA5R (0xDE682D1DL)
michael@0 31 #define CAMELLIA_SIGMA6L (0xB05688C2L)
michael@0 32 #define CAMELLIA_SIGMA6R (0xB3E6C1FDL)
michael@0 33
michael@0 34 /*
michael@0 35 * macros
michael@0 36 */
michael@0 37
michael@0 38
michael@0 39 #if defined(SHA_ALLOW_UNALIGNED_ACCESS)
michael@0 40
michael@0 41 /* require a CPU that allows unaligned access */
michael@0 42
michael@0 43 #if defined(SHA_NEED_TMP_VARIABLE)
michael@0 44 #define CAMELLIA_NEED_TMP_VARIABLE 1
michael@0 45 #endif
michael@0 46
michael@0 47 # define GETU32(p) SHA_HTONL(*((PRUint32 *)(p)))
michael@0 48 # define PUTU32(ct, st) {*((PRUint32 *)(ct)) = SHA_HTONL(st);}
michael@0 49
michael@0 50 #else /* no unaligned access */
michael@0 51
michael@0 52 # define GETU32(pt) \
michael@0 53 (((PRUint32)(pt)[0] << 24) \
michael@0 54 ^ ((PRUint32)(pt)[1] << 16) \
michael@0 55 ^ ((PRUint32)(pt)[2] << 8) \
michael@0 56 ^ ((PRUint32)(pt)[3]))
michael@0 57
michael@0 58 # define PUTU32(ct, st) { \
michael@0 59 (ct)[0] = (PRUint8)((st) >> 24); \
michael@0 60 (ct)[1] = (PRUint8)((st) >> 16); \
michael@0 61 (ct)[2] = (PRUint8)((st) >> 8); \
michael@0 62 (ct)[3] = (PRUint8)(st); }
michael@0 63
michael@0 64 #endif
michael@0 65
michael@0 66 #define CamelliaSubkeyL(INDEX) (subkey[(INDEX)*2])
michael@0 67 #define CamelliaSubkeyR(INDEX) (subkey[(INDEX)*2 + 1])
michael@0 68
michael@0 69 /* rotation right shift 1byte */
michael@0 70 #define CAMELLIA_RR8(x) (((x) >> 8) + ((x) << 24))
michael@0 71 /* rotation left shift 1bit */
michael@0 72 #define CAMELLIA_RL1(x) (((x) << 1) + ((x) >> 31))
michael@0 73 /* rotation left shift 1byte */
michael@0 74 #define CAMELLIA_RL8(x) (((x) << 8) + ((x) >> 24))
michael@0 75
michael@0 76 #define CAMELLIA_ROLDQ(ll, lr, rl, rr, w0, w1, bits) \
michael@0 77 do { \
michael@0 78 w0 = ll; \
michael@0 79 ll = (ll << bits) + (lr >> (32 - bits)); \
michael@0 80 lr = (lr << bits) + (rl >> (32 - bits)); \
michael@0 81 rl = (rl << bits) + (rr >> (32 - bits)); \
michael@0 82 rr = (rr << bits) + (w0 >> (32 - bits)); \
michael@0 83 } while(0)
michael@0 84
michael@0 85 #define CAMELLIA_ROLDQo32(ll, lr, rl, rr, w0, w1, bits) \
michael@0 86 do { \
michael@0 87 w0 = ll; \
michael@0 88 w1 = lr; \
michael@0 89 ll = (lr << (bits - 32)) + (rl >> (64 - bits)); \
michael@0 90 lr = (rl << (bits - 32)) + (rr >> (64 - bits)); \
michael@0 91 rl = (rr << (bits - 32)) + (w0 >> (64 - bits)); \
michael@0 92 rr = (w0 << (bits - 32)) + (w1 >> (64 - bits)); \
michael@0 93 } while(0)
michael@0 94
michael@0 95 #define CAMELLIA_SP1110(INDEX) (camellia_sp1110[(INDEX)])
michael@0 96 #define CAMELLIA_SP0222(INDEX) (camellia_sp0222[(INDEX)])
michael@0 97 #define CAMELLIA_SP3033(INDEX) (camellia_sp3033[(INDEX)])
michael@0 98 #define CAMELLIA_SP4404(INDEX) (camellia_sp4404[(INDEX)])
michael@0 99
michael@0 100 #define CAMELLIA_F(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \
michael@0 101 do { \
michael@0 102 il = xl ^ kl; \
michael@0 103 ir = xr ^ kr; \
michael@0 104 t0 = il >> 16; \
michael@0 105 t1 = ir >> 16; \
michael@0 106 yl = CAMELLIA_SP1110(ir & 0xff) \
michael@0 107 ^ CAMELLIA_SP0222((t1 >> 8) & 0xff) \
michael@0 108 ^ CAMELLIA_SP3033(t1 & 0xff) \
michael@0 109 ^ CAMELLIA_SP4404((ir >> 8) & 0xff); \
michael@0 110 yr = CAMELLIA_SP1110((t0 >> 8) & 0xff) \
michael@0 111 ^ CAMELLIA_SP0222(t0 & 0xff) \
michael@0 112 ^ CAMELLIA_SP3033((il >> 8) & 0xff) \
michael@0 113 ^ CAMELLIA_SP4404(il & 0xff); \
michael@0 114 yl ^= yr; \
michael@0 115 yr = CAMELLIA_RR8(yr); \
michael@0 116 yr ^= yl; \
michael@0 117 } while(0)
michael@0 118
michael@0 119
michael@0 120 /*
michael@0 121 * for speed up
michael@0 122 *
michael@0 123 */
michael@0 124 #define CAMELLIA_FLS(ll, lr, rl, rr, kll, klr, krl, krr, t0, t1, t2, t3) \
michael@0 125 do { \
michael@0 126 t0 = kll; \
michael@0 127 t0 &= ll; \
michael@0 128 lr ^= CAMELLIA_RL1(t0); \
michael@0 129 t1 = klr; \
michael@0 130 t1 |= lr; \
michael@0 131 ll ^= t1; \
michael@0 132 \
michael@0 133 t2 = krr; \
michael@0 134 t2 |= rr; \
michael@0 135 rl ^= t2; \
michael@0 136 t3 = krl; \
michael@0 137 t3 &= rl; \
michael@0 138 rr ^= CAMELLIA_RL1(t3); \
michael@0 139 } while(0)
michael@0 140
michael@0 141 #define CAMELLIA_ROUNDSM(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \
michael@0 142 do { \
michael@0 143 ir = CAMELLIA_SP1110(xr & 0xff) \
michael@0 144 ^ CAMELLIA_SP0222((xr >> 24) & 0xff) \
michael@0 145 ^ CAMELLIA_SP3033((xr >> 16) & 0xff) \
michael@0 146 ^ CAMELLIA_SP4404((xr >> 8) & 0xff); \
michael@0 147 il = CAMELLIA_SP1110((xl >> 24) & 0xff) \
michael@0 148 ^ CAMELLIA_SP0222((xl >> 16) & 0xff) \
michael@0 149 ^ CAMELLIA_SP3033((xl >> 8) & 0xff) \
michael@0 150 ^ CAMELLIA_SP4404(xl & 0xff); \
michael@0 151 il ^= kl; \
michael@0 152 ir ^= kr; \
michael@0 153 ir ^= il; \
michael@0 154 il = CAMELLIA_RR8(il); \
michael@0 155 il ^= ir; \
michael@0 156 yl ^= ir; \
michael@0 157 yr ^= il; \
michael@0 158 } while(0)
michael@0 159
michael@0 160
michael@0 161 static const PRUint32 camellia_sp1110[256] = {
michael@0 162 0x70707000,0x82828200,0x2c2c2c00,0xececec00,
michael@0 163 0xb3b3b300,0x27272700,0xc0c0c000,0xe5e5e500,
michael@0 164 0xe4e4e400,0x85858500,0x57575700,0x35353500,
michael@0 165 0xeaeaea00,0x0c0c0c00,0xaeaeae00,0x41414100,
michael@0 166 0x23232300,0xefefef00,0x6b6b6b00,0x93939300,
michael@0 167 0x45454500,0x19191900,0xa5a5a500,0x21212100,
michael@0 168 0xededed00,0x0e0e0e00,0x4f4f4f00,0x4e4e4e00,
michael@0 169 0x1d1d1d00,0x65656500,0x92929200,0xbdbdbd00,
michael@0 170 0x86868600,0xb8b8b800,0xafafaf00,0x8f8f8f00,
michael@0 171 0x7c7c7c00,0xebebeb00,0x1f1f1f00,0xcecece00,
michael@0 172 0x3e3e3e00,0x30303000,0xdcdcdc00,0x5f5f5f00,
michael@0 173 0x5e5e5e00,0xc5c5c500,0x0b0b0b00,0x1a1a1a00,
michael@0 174 0xa6a6a600,0xe1e1e100,0x39393900,0xcacaca00,
michael@0 175 0xd5d5d500,0x47474700,0x5d5d5d00,0x3d3d3d00,
michael@0 176 0xd9d9d900,0x01010100,0x5a5a5a00,0xd6d6d600,
michael@0 177 0x51515100,0x56565600,0x6c6c6c00,0x4d4d4d00,
michael@0 178 0x8b8b8b00,0x0d0d0d00,0x9a9a9a00,0x66666600,
michael@0 179 0xfbfbfb00,0xcccccc00,0xb0b0b000,0x2d2d2d00,
michael@0 180 0x74747400,0x12121200,0x2b2b2b00,0x20202000,
michael@0 181 0xf0f0f000,0xb1b1b100,0x84848400,0x99999900,
michael@0 182 0xdfdfdf00,0x4c4c4c00,0xcbcbcb00,0xc2c2c200,
michael@0 183 0x34343400,0x7e7e7e00,0x76767600,0x05050500,
michael@0 184 0x6d6d6d00,0xb7b7b700,0xa9a9a900,0x31313100,
michael@0 185 0xd1d1d100,0x17171700,0x04040400,0xd7d7d700,
michael@0 186 0x14141400,0x58585800,0x3a3a3a00,0x61616100,
michael@0 187 0xdedede00,0x1b1b1b00,0x11111100,0x1c1c1c00,
michael@0 188 0x32323200,0x0f0f0f00,0x9c9c9c00,0x16161600,
michael@0 189 0x53535300,0x18181800,0xf2f2f200,0x22222200,
michael@0 190 0xfefefe00,0x44444400,0xcfcfcf00,0xb2b2b200,
michael@0 191 0xc3c3c300,0xb5b5b500,0x7a7a7a00,0x91919100,
michael@0 192 0x24242400,0x08080800,0xe8e8e800,0xa8a8a800,
michael@0 193 0x60606000,0xfcfcfc00,0x69696900,0x50505000,
michael@0 194 0xaaaaaa00,0xd0d0d000,0xa0a0a000,0x7d7d7d00,
michael@0 195 0xa1a1a100,0x89898900,0x62626200,0x97979700,
michael@0 196 0x54545400,0x5b5b5b00,0x1e1e1e00,0x95959500,
michael@0 197 0xe0e0e000,0xffffff00,0x64646400,0xd2d2d200,
michael@0 198 0x10101000,0xc4c4c400,0x00000000,0x48484800,
michael@0 199 0xa3a3a300,0xf7f7f700,0x75757500,0xdbdbdb00,
michael@0 200 0x8a8a8a00,0x03030300,0xe6e6e600,0xdadada00,
michael@0 201 0x09090900,0x3f3f3f00,0xdddddd00,0x94949400,
michael@0 202 0x87878700,0x5c5c5c00,0x83838300,0x02020200,
michael@0 203 0xcdcdcd00,0x4a4a4a00,0x90909000,0x33333300,
michael@0 204 0x73737300,0x67676700,0xf6f6f600,0xf3f3f300,
michael@0 205 0x9d9d9d00,0x7f7f7f00,0xbfbfbf00,0xe2e2e200,
michael@0 206 0x52525200,0x9b9b9b00,0xd8d8d800,0x26262600,
michael@0 207 0xc8c8c800,0x37373700,0xc6c6c600,0x3b3b3b00,
michael@0 208 0x81818100,0x96969600,0x6f6f6f00,0x4b4b4b00,
michael@0 209 0x13131300,0xbebebe00,0x63636300,0x2e2e2e00,
michael@0 210 0xe9e9e900,0x79797900,0xa7a7a700,0x8c8c8c00,
michael@0 211 0x9f9f9f00,0x6e6e6e00,0xbcbcbc00,0x8e8e8e00,
michael@0 212 0x29292900,0xf5f5f500,0xf9f9f900,0xb6b6b600,
michael@0 213 0x2f2f2f00,0xfdfdfd00,0xb4b4b400,0x59595900,
michael@0 214 0x78787800,0x98989800,0x06060600,0x6a6a6a00,
michael@0 215 0xe7e7e700,0x46464600,0x71717100,0xbababa00,
michael@0 216 0xd4d4d400,0x25252500,0xababab00,0x42424200,
michael@0 217 0x88888800,0xa2a2a200,0x8d8d8d00,0xfafafa00,
michael@0 218 0x72727200,0x07070700,0xb9b9b900,0x55555500,
michael@0 219 0xf8f8f800,0xeeeeee00,0xacacac00,0x0a0a0a00,
michael@0 220 0x36363600,0x49494900,0x2a2a2a00,0x68686800,
michael@0 221 0x3c3c3c00,0x38383800,0xf1f1f100,0xa4a4a400,
michael@0 222 0x40404000,0x28282800,0xd3d3d300,0x7b7b7b00,
michael@0 223 0xbbbbbb00,0xc9c9c900,0x43434300,0xc1c1c100,
michael@0 224 0x15151500,0xe3e3e300,0xadadad00,0xf4f4f400,
michael@0 225 0x77777700,0xc7c7c700,0x80808000,0x9e9e9e00,
michael@0 226 };
michael@0 227
michael@0 228 static const PRUint32 camellia_sp0222[256] = {
michael@0 229 0x00e0e0e0,0x00050505,0x00585858,0x00d9d9d9,
michael@0 230 0x00676767,0x004e4e4e,0x00818181,0x00cbcbcb,
michael@0 231 0x00c9c9c9,0x000b0b0b,0x00aeaeae,0x006a6a6a,
michael@0 232 0x00d5d5d5,0x00181818,0x005d5d5d,0x00828282,
michael@0 233 0x00464646,0x00dfdfdf,0x00d6d6d6,0x00272727,
michael@0 234 0x008a8a8a,0x00323232,0x004b4b4b,0x00424242,
michael@0 235 0x00dbdbdb,0x001c1c1c,0x009e9e9e,0x009c9c9c,
michael@0 236 0x003a3a3a,0x00cacaca,0x00252525,0x007b7b7b,
michael@0 237 0x000d0d0d,0x00717171,0x005f5f5f,0x001f1f1f,
michael@0 238 0x00f8f8f8,0x00d7d7d7,0x003e3e3e,0x009d9d9d,
michael@0 239 0x007c7c7c,0x00606060,0x00b9b9b9,0x00bebebe,
michael@0 240 0x00bcbcbc,0x008b8b8b,0x00161616,0x00343434,
michael@0 241 0x004d4d4d,0x00c3c3c3,0x00727272,0x00959595,
michael@0 242 0x00ababab,0x008e8e8e,0x00bababa,0x007a7a7a,
michael@0 243 0x00b3b3b3,0x00020202,0x00b4b4b4,0x00adadad,
michael@0 244 0x00a2a2a2,0x00acacac,0x00d8d8d8,0x009a9a9a,
michael@0 245 0x00171717,0x001a1a1a,0x00353535,0x00cccccc,
michael@0 246 0x00f7f7f7,0x00999999,0x00616161,0x005a5a5a,
michael@0 247 0x00e8e8e8,0x00242424,0x00565656,0x00404040,
michael@0 248 0x00e1e1e1,0x00636363,0x00090909,0x00333333,
michael@0 249 0x00bfbfbf,0x00989898,0x00979797,0x00858585,
michael@0 250 0x00686868,0x00fcfcfc,0x00ececec,0x000a0a0a,
michael@0 251 0x00dadada,0x006f6f6f,0x00535353,0x00626262,
michael@0 252 0x00a3a3a3,0x002e2e2e,0x00080808,0x00afafaf,
michael@0 253 0x00282828,0x00b0b0b0,0x00747474,0x00c2c2c2,
michael@0 254 0x00bdbdbd,0x00363636,0x00222222,0x00383838,
michael@0 255 0x00646464,0x001e1e1e,0x00393939,0x002c2c2c,
michael@0 256 0x00a6a6a6,0x00303030,0x00e5e5e5,0x00444444,
michael@0 257 0x00fdfdfd,0x00888888,0x009f9f9f,0x00656565,
michael@0 258 0x00878787,0x006b6b6b,0x00f4f4f4,0x00232323,
michael@0 259 0x00484848,0x00101010,0x00d1d1d1,0x00515151,
michael@0 260 0x00c0c0c0,0x00f9f9f9,0x00d2d2d2,0x00a0a0a0,
michael@0 261 0x00555555,0x00a1a1a1,0x00414141,0x00fafafa,
michael@0 262 0x00434343,0x00131313,0x00c4c4c4,0x002f2f2f,
michael@0 263 0x00a8a8a8,0x00b6b6b6,0x003c3c3c,0x002b2b2b,
michael@0 264 0x00c1c1c1,0x00ffffff,0x00c8c8c8,0x00a5a5a5,
michael@0 265 0x00202020,0x00898989,0x00000000,0x00909090,
michael@0 266 0x00474747,0x00efefef,0x00eaeaea,0x00b7b7b7,
michael@0 267 0x00151515,0x00060606,0x00cdcdcd,0x00b5b5b5,
michael@0 268 0x00121212,0x007e7e7e,0x00bbbbbb,0x00292929,
michael@0 269 0x000f0f0f,0x00b8b8b8,0x00070707,0x00040404,
michael@0 270 0x009b9b9b,0x00949494,0x00212121,0x00666666,
michael@0 271 0x00e6e6e6,0x00cecece,0x00ededed,0x00e7e7e7,
michael@0 272 0x003b3b3b,0x00fefefe,0x007f7f7f,0x00c5c5c5,
michael@0 273 0x00a4a4a4,0x00373737,0x00b1b1b1,0x004c4c4c,
michael@0 274 0x00919191,0x006e6e6e,0x008d8d8d,0x00767676,
michael@0 275 0x00030303,0x002d2d2d,0x00dedede,0x00969696,
michael@0 276 0x00262626,0x007d7d7d,0x00c6c6c6,0x005c5c5c,
michael@0 277 0x00d3d3d3,0x00f2f2f2,0x004f4f4f,0x00191919,
michael@0 278 0x003f3f3f,0x00dcdcdc,0x00797979,0x001d1d1d,
michael@0 279 0x00525252,0x00ebebeb,0x00f3f3f3,0x006d6d6d,
michael@0 280 0x005e5e5e,0x00fbfbfb,0x00696969,0x00b2b2b2,
michael@0 281 0x00f0f0f0,0x00313131,0x000c0c0c,0x00d4d4d4,
michael@0 282 0x00cfcfcf,0x008c8c8c,0x00e2e2e2,0x00757575,
michael@0 283 0x00a9a9a9,0x004a4a4a,0x00575757,0x00848484,
michael@0 284 0x00111111,0x00454545,0x001b1b1b,0x00f5f5f5,
michael@0 285 0x00e4e4e4,0x000e0e0e,0x00737373,0x00aaaaaa,
michael@0 286 0x00f1f1f1,0x00dddddd,0x00595959,0x00141414,
michael@0 287 0x006c6c6c,0x00929292,0x00545454,0x00d0d0d0,
michael@0 288 0x00787878,0x00707070,0x00e3e3e3,0x00494949,
michael@0 289 0x00808080,0x00505050,0x00a7a7a7,0x00f6f6f6,
michael@0 290 0x00777777,0x00939393,0x00868686,0x00838383,
michael@0 291 0x002a2a2a,0x00c7c7c7,0x005b5b5b,0x00e9e9e9,
michael@0 292 0x00eeeeee,0x008f8f8f,0x00010101,0x003d3d3d,
michael@0 293 };
michael@0 294
michael@0 295 static const PRUint32 camellia_sp3033[256] = {
michael@0 296 0x38003838,0x41004141,0x16001616,0x76007676,
michael@0 297 0xd900d9d9,0x93009393,0x60006060,0xf200f2f2,
michael@0 298 0x72007272,0xc200c2c2,0xab00abab,0x9a009a9a,
michael@0 299 0x75007575,0x06000606,0x57005757,0xa000a0a0,
michael@0 300 0x91009191,0xf700f7f7,0xb500b5b5,0xc900c9c9,
michael@0 301 0xa200a2a2,0x8c008c8c,0xd200d2d2,0x90009090,
michael@0 302 0xf600f6f6,0x07000707,0xa700a7a7,0x27002727,
michael@0 303 0x8e008e8e,0xb200b2b2,0x49004949,0xde00dede,
michael@0 304 0x43004343,0x5c005c5c,0xd700d7d7,0xc700c7c7,
michael@0 305 0x3e003e3e,0xf500f5f5,0x8f008f8f,0x67006767,
michael@0 306 0x1f001f1f,0x18001818,0x6e006e6e,0xaf00afaf,
michael@0 307 0x2f002f2f,0xe200e2e2,0x85008585,0x0d000d0d,
michael@0 308 0x53005353,0xf000f0f0,0x9c009c9c,0x65006565,
michael@0 309 0xea00eaea,0xa300a3a3,0xae00aeae,0x9e009e9e,
michael@0 310 0xec00ecec,0x80008080,0x2d002d2d,0x6b006b6b,
michael@0 311 0xa800a8a8,0x2b002b2b,0x36003636,0xa600a6a6,
michael@0 312 0xc500c5c5,0x86008686,0x4d004d4d,0x33003333,
michael@0 313 0xfd00fdfd,0x66006666,0x58005858,0x96009696,
michael@0 314 0x3a003a3a,0x09000909,0x95009595,0x10001010,
michael@0 315 0x78007878,0xd800d8d8,0x42004242,0xcc00cccc,
michael@0 316 0xef00efef,0x26002626,0xe500e5e5,0x61006161,
michael@0 317 0x1a001a1a,0x3f003f3f,0x3b003b3b,0x82008282,
michael@0 318 0xb600b6b6,0xdb00dbdb,0xd400d4d4,0x98009898,
michael@0 319 0xe800e8e8,0x8b008b8b,0x02000202,0xeb00ebeb,
michael@0 320 0x0a000a0a,0x2c002c2c,0x1d001d1d,0xb000b0b0,
michael@0 321 0x6f006f6f,0x8d008d8d,0x88008888,0x0e000e0e,
michael@0 322 0x19001919,0x87008787,0x4e004e4e,0x0b000b0b,
michael@0 323 0xa900a9a9,0x0c000c0c,0x79007979,0x11001111,
michael@0 324 0x7f007f7f,0x22002222,0xe700e7e7,0x59005959,
michael@0 325 0xe100e1e1,0xda00dada,0x3d003d3d,0xc800c8c8,
michael@0 326 0x12001212,0x04000404,0x74007474,0x54005454,
michael@0 327 0x30003030,0x7e007e7e,0xb400b4b4,0x28002828,
michael@0 328 0x55005555,0x68006868,0x50005050,0xbe00bebe,
michael@0 329 0xd000d0d0,0xc400c4c4,0x31003131,0xcb00cbcb,
michael@0 330 0x2a002a2a,0xad00adad,0x0f000f0f,0xca00caca,
michael@0 331 0x70007070,0xff00ffff,0x32003232,0x69006969,
michael@0 332 0x08000808,0x62006262,0x00000000,0x24002424,
michael@0 333 0xd100d1d1,0xfb00fbfb,0xba00baba,0xed00eded,
michael@0 334 0x45004545,0x81008181,0x73007373,0x6d006d6d,
michael@0 335 0x84008484,0x9f009f9f,0xee00eeee,0x4a004a4a,
michael@0 336 0xc300c3c3,0x2e002e2e,0xc100c1c1,0x01000101,
michael@0 337 0xe600e6e6,0x25002525,0x48004848,0x99009999,
michael@0 338 0xb900b9b9,0xb300b3b3,0x7b007b7b,0xf900f9f9,
michael@0 339 0xce00cece,0xbf00bfbf,0xdf00dfdf,0x71007171,
michael@0 340 0x29002929,0xcd00cdcd,0x6c006c6c,0x13001313,
michael@0 341 0x64006464,0x9b009b9b,0x63006363,0x9d009d9d,
michael@0 342 0xc000c0c0,0x4b004b4b,0xb700b7b7,0xa500a5a5,
michael@0 343 0x89008989,0x5f005f5f,0xb100b1b1,0x17001717,
michael@0 344 0xf400f4f4,0xbc00bcbc,0xd300d3d3,0x46004646,
michael@0 345 0xcf00cfcf,0x37003737,0x5e005e5e,0x47004747,
michael@0 346 0x94009494,0xfa00fafa,0xfc00fcfc,0x5b005b5b,
michael@0 347 0x97009797,0xfe00fefe,0x5a005a5a,0xac00acac,
michael@0 348 0x3c003c3c,0x4c004c4c,0x03000303,0x35003535,
michael@0 349 0xf300f3f3,0x23002323,0xb800b8b8,0x5d005d5d,
michael@0 350 0x6a006a6a,0x92009292,0xd500d5d5,0x21002121,
michael@0 351 0x44004444,0x51005151,0xc600c6c6,0x7d007d7d,
michael@0 352 0x39003939,0x83008383,0xdc00dcdc,0xaa00aaaa,
michael@0 353 0x7c007c7c,0x77007777,0x56005656,0x05000505,
michael@0 354 0x1b001b1b,0xa400a4a4,0x15001515,0x34003434,
michael@0 355 0x1e001e1e,0x1c001c1c,0xf800f8f8,0x52005252,
michael@0 356 0x20002020,0x14001414,0xe900e9e9,0xbd00bdbd,
michael@0 357 0xdd00dddd,0xe400e4e4,0xa100a1a1,0xe000e0e0,
michael@0 358 0x8a008a8a,0xf100f1f1,0xd600d6d6,0x7a007a7a,
michael@0 359 0xbb00bbbb,0xe300e3e3,0x40004040,0x4f004f4f,
michael@0 360 };
michael@0 361
michael@0 362 static const PRUint32 camellia_sp4404[256] = {
michael@0 363 0x70700070,0x2c2c002c,0xb3b300b3,0xc0c000c0,
michael@0 364 0xe4e400e4,0x57570057,0xeaea00ea,0xaeae00ae,
michael@0 365 0x23230023,0x6b6b006b,0x45450045,0xa5a500a5,
michael@0 366 0xeded00ed,0x4f4f004f,0x1d1d001d,0x92920092,
michael@0 367 0x86860086,0xafaf00af,0x7c7c007c,0x1f1f001f,
michael@0 368 0x3e3e003e,0xdcdc00dc,0x5e5e005e,0x0b0b000b,
michael@0 369 0xa6a600a6,0x39390039,0xd5d500d5,0x5d5d005d,
michael@0 370 0xd9d900d9,0x5a5a005a,0x51510051,0x6c6c006c,
michael@0 371 0x8b8b008b,0x9a9a009a,0xfbfb00fb,0xb0b000b0,
michael@0 372 0x74740074,0x2b2b002b,0xf0f000f0,0x84840084,
michael@0 373 0xdfdf00df,0xcbcb00cb,0x34340034,0x76760076,
michael@0 374 0x6d6d006d,0xa9a900a9,0xd1d100d1,0x04040004,
michael@0 375 0x14140014,0x3a3a003a,0xdede00de,0x11110011,
michael@0 376 0x32320032,0x9c9c009c,0x53530053,0xf2f200f2,
michael@0 377 0xfefe00fe,0xcfcf00cf,0xc3c300c3,0x7a7a007a,
michael@0 378 0x24240024,0xe8e800e8,0x60600060,0x69690069,
michael@0 379 0xaaaa00aa,0xa0a000a0,0xa1a100a1,0x62620062,
michael@0 380 0x54540054,0x1e1e001e,0xe0e000e0,0x64640064,
michael@0 381 0x10100010,0x00000000,0xa3a300a3,0x75750075,
michael@0 382 0x8a8a008a,0xe6e600e6,0x09090009,0xdddd00dd,
michael@0 383 0x87870087,0x83830083,0xcdcd00cd,0x90900090,
michael@0 384 0x73730073,0xf6f600f6,0x9d9d009d,0xbfbf00bf,
michael@0 385 0x52520052,0xd8d800d8,0xc8c800c8,0xc6c600c6,
michael@0 386 0x81810081,0x6f6f006f,0x13130013,0x63630063,
michael@0 387 0xe9e900e9,0xa7a700a7,0x9f9f009f,0xbcbc00bc,
michael@0 388 0x29290029,0xf9f900f9,0x2f2f002f,0xb4b400b4,
michael@0 389 0x78780078,0x06060006,0xe7e700e7,0x71710071,
michael@0 390 0xd4d400d4,0xabab00ab,0x88880088,0x8d8d008d,
michael@0 391 0x72720072,0xb9b900b9,0xf8f800f8,0xacac00ac,
michael@0 392 0x36360036,0x2a2a002a,0x3c3c003c,0xf1f100f1,
michael@0 393 0x40400040,0xd3d300d3,0xbbbb00bb,0x43430043,
michael@0 394 0x15150015,0xadad00ad,0x77770077,0x80800080,
michael@0 395 0x82820082,0xecec00ec,0x27270027,0xe5e500e5,
michael@0 396 0x85850085,0x35350035,0x0c0c000c,0x41410041,
michael@0 397 0xefef00ef,0x93930093,0x19190019,0x21210021,
michael@0 398 0x0e0e000e,0x4e4e004e,0x65650065,0xbdbd00bd,
michael@0 399 0xb8b800b8,0x8f8f008f,0xebeb00eb,0xcece00ce,
michael@0 400 0x30300030,0x5f5f005f,0xc5c500c5,0x1a1a001a,
michael@0 401 0xe1e100e1,0xcaca00ca,0x47470047,0x3d3d003d,
michael@0 402 0x01010001,0xd6d600d6,0x56560056,0x4d4d004d,
michael@0 403 0x0d0d000d,0x66660066,0xcccc00cc,0x2d2d002d,
michael@0 404 0x12120012,0x20200020,0xb1b100b1,0x99990099,
michael@0 405 0x4c4c004c,0xc2c200c2,0x7e7e007e,0x05050005,
michael@0 406 0xb7b700b7,0x31310031,0x17170017,0xd7d700d7,
michael@0 407 0x58580058,0x61610061,0x1b1b001b,0x1c1c001c,
michael@0 408 0x0f0f000f,0x16160016,0x18180018,0x22220022,
michael@0 409 0x44440044,0xb2b200b2,0xb5b500b5,0x91910091,
michael@0 410 0x08080008,0xa8a800a8,0xfcfc00fc,0x50500050,
michael@0 411 0xd0d000d0,0x7d7d007d,0x89890089,0x97970097,
michael@0 412 0x5b5b005b,0x95950095,0xffff00ff,0xd2d200d2,
michael@0 413 0xc4c400c4,0x48480048,0xf7f700f7,0xdbdb00db,
michael@0 414 0x03030003,0xdada00da,0x3f3f003f,0x94940094,
michael@0 415 0x5c5c005c,0x02020002,0x4a4a004a,0x33330033,
michael@0 416 0x67670067,0xf3f300f3,0x7f7f007f,0xe2e200e2,
michael@0 417 0x9b9b009b,0x26260026,0x37370037,0x3b3b003b,
michael@0 418 0x96960096,0x4b4b004b,0xbebe00be,0x2e2e002e,
michael@0 419 0x79790079,0x8c8c008c,0x6e6e006e,0x8e8e008e,
michael@0 420 0xf5f500f5,0xb6b600b6,0xfdfd00fd,0x59590059,
michael@0 421 0x98980098,0x6a6a006a,0x46460046,0xbaba00ba,
michael@0 422 0x25250025,0x42420042,0xa2a200a2,0xfafa00fa,
michael@0 423 0x07070007,0x55550055,0xeeee00ee,0x0a0a000a,
michael@0 424 0x49490049,0x68680068,0x38380038,0xa4a400a4,
michael@0 425 0x28280028,0x7b7b007b,0xc9c900c9,0xc1c100c1,
michael@0 426 0xe3e300e3,0xf4f400f4,0xc7c700c7,0x9e9e009e,
michael@0 427 };
michael@0 428
michael@0 429
michael@0 430 /**
michael@0 431 * Stuff related to the Camellia key schedule
michael@0 432 */
michael@0 433 #define subl(x) subL[(x)]
michael@0 434 #define subr(x) subR[(x)]
michael@0 435
michael@0 436 void camellia_setup128(const unsigned char *key, PRUint32 *subkey)
michael@0 437 {
michael@0 438 PRUint32 kll, klr, krl, krr;
michael@0 439 PRUint32 il, ir, t0, t1, w0, w1;
michael@0 440 PRUint32 kw4l, kw4r, dw, tl, tr;
michael@0 441 PRUint32 subL[26];
michael@0 442 PRUint32 subR[26];
michael@0 443 #if defined(CAMELLIA_NEED_TMP_VARIABLE)
michael@0 444 PRUint32 tmp;
michael@0 445 #endif
michael@0 446
michael@0 447 /**
michael@0 448 * k == kll || klr || krl || krr (|| is concatination)
michael@0 449 */
michael@0 450 kll = GETU32(key );
michael@0 451 klr = GETU32(key + 4);
michael@0 452 krl = GETU32(key + 8);
michael@0 453 krr = GETU32(key + 12);
michael@0 454 /**
michael@0 455 * generate KL dependent subkeys
michael@0 456 */
michael@0 457 subl(0) = kll; subr(0) = klr;
michael@0 458 subl(1) = krl; subr(1) = krr;
michael@0 459 CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
michael@0 460 subl(4) = kll; subr(4) = klr;
michael@0 461 subl(5) = krl; subr(5) = krr;
michael@0 462 CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30);
michael@0 463 subl(10) = kll; subr(10) = klr;
michael@0 464 subl(11) = krl; subr(11) = krr;
michael@0 465 CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
michael@0 466 subl(13) = krl; subr(13) = krr;
michael@0 467 CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
michael@0 468 subl(16) = kll; subr(16) = klr;
michael@0 469 subl(17) = krl; subr(17) = krr;
michael@0 470 CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
michael@0 471 subl(18) = kll; subr(18) = klr;
michael@0 472 subl(19) = krl; subr(19) = krr;
michael@0 473 CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
michael@0 474 subl(22) = kll; subr(22) = klr;
michael@0 475 subl(23) = krl; subr(23) = krr;
michael@0 476
michael@0 477 /* generate KA */
michael@0 478 kll = subl(0); klr = subr(0);
michael@0 479 krl = subl(1); krr = subr(1);
michael@0 480 CAMELLIA_F(kll, klr,
michael@0 481 CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R,
michael@0 482 w0, w1, il, ir, t0, t1);
michael@0 483 krl ^= w0; krr ^= w1;
michael@0 484 CAMELLIA_F(krl, krr,
michael@0 485 CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R,
michael@0 486 kll, klr, il, ir, t0, t1);
michael@0 487 CAMELLIA_F(kll, klr,
michael@0 488 CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R,
michael@0 489 krl, krr, il, ir, t0, t1);
michael@0 490 krl ^= w0; krr ^= w1;
michael@0 491 CAMELLIA_F(krl, krr,
michael@0 492 CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R,
michael@0 493 w0, w1, il, ir, t0, t1);
michael@0 494 kll ^= w0; klr ^= w1;
michael@0 495
michael@0 496 /* generate KA dependent subkeys */
michael@0 497 subl(2) = kll; subr(2) = klr;
michael@0 498 subl(3) = krl; subr(3) = krr;
michael@0 499 CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
michael@0 500 subl(6) = kll; subr(6) = klr;
michael@0 501 subl(7) = krl; subr(7) = krr;
michael@0 502 CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
michael@0 503 subl(8) = kll; subr(8) = klr;
michael@0 504 subl(9) = krl; subr(9) = krr;
michael@0 505 CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
michael@0 506 subl(12) = kll; subr(12) = klr;
michael@0 507 CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
michael@0 508 subl(14) = kll; subr(14) = klr;
michael@0 509 subl(15) = krl; subr(15) = krr;
michael@0 510 CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34);
michael@0 511 subl(20) = kll; subr(20) = klr;
michael@0 512 subl(21) = krl; subr(21) = krr;
michael@0 513 CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
michael@0 514 subl(24) = kll; subr(24) = klr;
michael@0 515 subl(25) = krl; subr(25) = krr;
michael@0 516
michael@0 517
michael@0 518 /* absorb kw2 to other subkeys */
michael@0 519 subl(3) ^= subl(1); subr(3) ^= subr(1);
michael@0 520 subl(5) ^= subl(1); subr(5) ^= subr(1);
michael@0 521 subl(7) ^= subl(1); subr(7) ^= subr(1);
michael@0 522 subl(1) ^= subr(1) & ~subr(9);
michael@0 523 dw = subl(1) & subl(9), subr(1) ^= CAMELLIA_RL1(dw);
michael@0 524 subl(11) ^= subl(1); subr(11) ^= subr(1);
michael@0 525 subl(13) ^= subl(1); subr(13) ^= subr(1);
michael@0 526 subl(15) ^= subl(1); subr(15) ^= subr(1);
michael@0 527 subl(1) ^= subr(1) & ~subr(17);
michael@0 528 dw = subl(1) & subl(17), subr(1) ^= CAMELLIA_RL1(dw);
michael@0 529 subl(19) ^= subl(1); subr(19) ^= subr(1);
michael@0 530 subl(21) ^= subl(1); subr(21) ^= subr(1);
michael@0 531 subl(23) ^= subl(1); subr(23) ^= subr(1);
michael@0 532 subl(24) ^= subl(1); subr(24) ^= subr(1);
michael@0 533
michael@0 534 /* absorb kw4 to other subkeys */
michael@0 535 kw4l = subl(25); kw4r = subr(25);
michael@0 536 subl(22) ^= kw4l; subr(22) ^= kw4r;
michael@0 537 subl(20) ^= kw4l; subr(20) ^= kw4r;
michael@0 538 subl(18) ^= kw4l; subr(18) ^= kw4r;
michael@0 539 kw4l ^= kw4r & ~subr(16);
michael@0 540 dw = kw4l & subl(16), kw4r ^= CAMELLIA_RL1(dw);
michael@0 541 subl(14) ^= kw4l; subr(14) ^= kw4r;
michael@0 542 subl(12) ^= kw4l; subr(12) ^= kw4r;
michael@0 543 subl(10) ^= kw4l; subr(10) ^= kw4r;
michael@0 544 kw4l ^= kw4r & ~subr(8);
michael@0 545 dw = kw4l & subl(8), kw4r ^= CAMELLIA_RL1(dw);
michael@0 546 subl(6) ^= kw4l; subr(6) ^= kw4r;
michael@0 547 subl(4) ^= kw4l; subr(4) ^= kw4r;
michael@0 548 subl(2) ^= kw4l; subr(2) ^= kw4r;
michael@0 549 subl(0) ^= kw4l; subr(0) ^= kw4r;
michael@0 550
michael@0 551 /* key XOR is end of F-function */
michael@0 552 CamelliaSubkeyL(0) = subl(0) ^ subl(2);
michael@0 553 CamelliaSubkeyR(0) = subr(0) ^ subr(2);
michael@0 554 CamelliaSubkeyL(2) = subl(3);
michael@0 555 CamelliaSubkeyR(2) = subr(3);
michael@0 556 CamelliaSubkeyL(3) = subl(2) ^ subl(4);
michael@0 557 CamelliaSubkeyR(3) = subr(2) ^ subr(4);
michael@0 558 CamelliaSubkeyL(4) = subl(3) ^ subl(5);
michael@0 559 CamelliaSubkeyR(4) = subr(3) ^ subr(5);
michael@0 560 CamelliaSubkeyL(5) = subl(4) ^ subl(6);
michael@0 561 CamelliaSubkeyR(5) = subr(4) ^ subr(6);
michael@0 562 CamelliaSubkeyL(6) = subl(5) ^ subl(7);
michael@0 563 CamelliaSubkeyR(6) = subr(5) ^ subr(7);
michael@0 564 tl = subl(10) ^ (subr(10) & ~subr(8));
michael@0 565 dw = tl & subl(8), tr = subr(10) ^ CAMELLIA_RL1(dw);
michael@0 566 CamelliaSubkeyL(7) = subl(6) ^ tl;
michael@0 567 CamelliaSubkeyR(7) = subr(6) ^ tr;
michael@0 568 CamelliaSubkeyL(8) = subl(8);
michael@0 569 CamelliaSubkeyR(8) = subr(8);
michael@0 570 CamelliaSubkeyL(9) = subl(9);
michael@0 571 CamelliaSubkeyR(9) = subr(9);
michael@0 572 tl = subl(7) ^ (subr(7) & ~subr(9));
michael@0 573 dw = tl & subl(9), tr = subr(7) ^ CAMELLIA_RL1(dw);
michael@0 574 CamelliaSubkeyL(10) = tl ^ subl(11);
michael@0 575 CamelliaSubkeyR(10) = tr ^ subr(11);
michael@0 576 CamelliaSubkeyL(11) = subl(10) ^ subl(12);
michael@0 577 CamelliaSubkeyR(11) = subr(10) ^ subr(12);
michael@0 578 CamelliaSubkeyL(12) = subl(11) ^ subl(13);
michael@0 579 CamelliaSubkeyR(12) = subr(11) ^ subr(13);
michael@0 580 CamelliaSubkeyL(13) = subl(12) ^ subl(14);
michael@0 581 CamelliaSubkeyR(13) = subr(12) ^ subr(14);
michael@0 582 CamelliaSubkeyL(14) = subl(13) ^ subl(15);
michael@0 583 CamelliaSubkeyR(14) = subr(13) ^ subr(15);
michael@0 584 tl = subl(18) ^ (subr(18) & ~subr(16));
michael@0 585 dw = tl & subl(16), tr = subr(18) ^ CAMELLIA_RL1(dw);
michael@0 586 CamelliaSubkeyL(15) = subl(14) ^ tl;
michael@0 587 CamelliaSubkeyR(15) = subr(14) ^ tr;
michael@0 588 CamelliaSubkeyL(16) = subl(16);
michael@0 589 CamelliaSubkeyR(16) = subr(16);
michael@0 590 CamelliaSubkeyL(17) = subl(17);
michael@0 591 CamelliaSubkeyR(17) = subr(17);
michael@0 592 tl = subl(15) ^ (subr(15) & ~subr(17));
michael@0 593 dw = tl & subl(17), tr = subr(15) ^ CAMELLIA_RL1(dw);
michael@0 594 CamelliaSubkeyL(18) = tl ^ subl(19);
michael@0 595 CamelliaSubkeyR(18) = tr ^ subr(19);
michael@0 596 CamelliaSubkeyL(19) = subl(18) ^ subl(20);
michael@0 597 CamelliaSubkeyR(19) = subr(18) ^ subr(20);
michael@0 598 CamelliaSubkeyL(20) = subl(19) ^ subl(21);
michael@0 599 CamelliaSubkeyR(20) = subr(19) ^ subr(21);
michael@0 600 CamelliaSubkeyL(21) = subl(20) ^ subl(22);
michael@0 601 CamelliaSubkeyR(21) = subr(20) ^ subr(22);
michael@0 602 CamelliaSubkeyL(22) = subl(21) ^ subl(23);
michael@0 603 CamelliaSubkeyR(22) = subr(21) ^ subr(23);
michael@0 604 CamelliaSubkeyL(23) = subl(22);
michael@0 605 CamelliaSubkeyR(23) = subr(22);
michael@0 606 CamelliaSubkeyL(24) = subl(24) ^ subl(23);
michael@0 607 CamelliaSubkeyR(24) = subr(24) ^ subr(23);
michael@0 608
michael@0 609 /* apply the inverse of the last half of P-function */
michael@0 610 dw = CamelliaSubkeyL(2) ^ CamelliaSubkeyR(2), dw = CAMELLIA_RL8(dw);
michael@0 611 CamelliaSubkeyR(2) = CamelliaSubkeyL(2) ^ dw, CamelliaSubkeyL(2) = dw;
michael@0 612 dw = CamelliaSubkeyL(3) ^ CamelliaSubkeyR(3), dw = CAMELLIA_RL8(dw);
michael@0 613 CamelliaSubkeyR(3) = CamelliaSubkeyL(3) ^ dw, CamelliaSubkeyL(3) = dw;
michael@0 614 dw = CamelliaSubkeyL(4) ^ CamelliaSubkeyR(4), dw = CAMELLIA_RL8(dw);
michael@0 615 CamelliaSubkeyR(4) = CamelliaSubkeyL(4) ^ dw, CamelliaSubkeyL(4) = dw;
michael@0 616 dw = CamelliaSubkeyL(5) ^ CamelliaSubkeyR(5), dw = CAMELLIA_RL8(dw);
michael@0 617 CamelliaSubkeyR(5) = CamelliaSubkeyL(5) ^ dw, CamelliaSubkeyL(5) = dw;
michael@0 618 dw = CamelliaSubkeyL(6) ^ CamelliaSubkeyR(6), dw = CAMELLIA_RL8(dw);
michael@0 619 CamelliaSubkeyR(6) = CamelliaSubkeyL(6) ^ dw, CamelliaSubkeyL(6) = dw;
michael@0 620 dw = CamelliaSubkeyL(7) ^ CamelliaSubkeyR(7), dw = CAMELLIA_RL8(dw);
michael@0 621 CamelliaSubkeyR(7) = CamelliaSubkeyL(7) ^ dw, CamelliaSubkeyL(7) = dw;
michael@0 622 dw = CamelliaSubkeyL(10) ^ CamelliaSubkeyR(10), dw = CAMELLIA_RL8(dw);
michael@0 623 CamelliaSubkeyR(10) = CamelliaSubkeyL(10) ^ dw, CamelliaSubkeyL(10) = dw;
michael@0 624 dw = CamelliaSubkeyL(11) ^ CamelliaSubkeyR(11), dw = CAMELLIA_RL8(dw);
michael@0 625 CamelliaSubkeyR(11) = CamelliaSubkeyL(11) ^ dw, CamelliaSubkeyL(11) = dw;
michael@0 626 dw = CamelliaSubkeyL(12) ^ CamelliaSubkeyR(12), dw = CAMELLIA_RL8(dw);
michael@0 627 CamelliaSubkeyR(12) = CamelliaSubkeyL(12) ^ dw, CamelliaSubkeyL(12) = dw;
michael@0 628 dw = CamelliaSubkeyL(13) ^ CamelliaSubkeyR(13), dw = CAMELLIA_RL8(dw);
michael@0 629 CamelliaSubkeyR(13) = CamelliaSubkeyL(13) ^ dw, CamelliaSubkeyL(13) = dw;
michael@0 630 dw = CamelliaSubkeyL(14) ^ CamelliaSubkeyR(14), dw = CAMELLIA_RL8(dw);
michael@0 631 CamelliaSubkeyR(14) = CamelliaSubkeyL(14) ^ dw, CamelliaSubkeyL(14) = dw;
michael@0 632 dw = CamelliaSubkeyL(15) ^ CamelliaSubkeyR(15), dw = CAMELLIA_RL8(dw);
michael@0 633 CamelliaSubkeyR(15) = CamelliaSubkeyL(15) ^ dw, CamelliaSubkeyL(15) = dw;
michael@0 634 dw = CamelliaSubkeyL(18) ^ CamelliaSubkeyR(18), dw = CAMELLIA_RL8(dw);
michael@0 635 CamelliaSubkeyR(18) = CamelliaSubkeyL(18) ^ dw, CamelliaSubkeyL(18) = dw;
michael@0 636 dw = CamelliaSubkeyL(19) ^ CamelliaSubkeyR(19), dw = CAMELLIA_RL8(dw);
michael@0 637 CamelliaSubkeyR(19) = CamelliaSubkeyL(19) ^ dw, CamelliaSubkeyL(19) = dw;
michael@0 638 dw = CamelliaSubkeyL(20) ^ CamelliaSubkeyR(20), dw = CAMELLIA_RL8(dw);
michael@0 639 CamelliaSubkeyR(20) = CamelliaSubkeyL(20) ^ dw, CamelliaSubkeyL(20) = dw;
michael@0 640 dw = CamelliaSubkeyL(21) ^ CamelliaSubkeyR(21), dw = CAMELLIA_RL8(dw);
michael@0 641 CamelliaSubkeyR(21) = CamelliaSubkeyL(21) ^ dw, CamelliaSubkeyL(21) = dw;
michael@0 642 dw = CamelliaSubkeyL(22) ^ CamelliaSubkeyR(22), dw = CAMELLIA_RL8(dw);
michael@0 643 CamelliaSubkeyR(22) = CamelliaSubkeyL(22) ^ dw, CamelliaSubkeyL(22) = dw;
michael@0 644 dw = CamelliaSubkeyL(23) ^ CamelliaSubkeyR(23), dw = CAMELLIA_RL8(dw);
michael@0 645 CamelliaSubkeyR(23) = CamelliaSubkeyL(23) ^ dw, CamelliaSubkeyL(23) = dw;
michael@0 646
michael@0 647 return;
michael@0 648 }
michael@0 649
michael@0 650 void camellia_setup256(const unsigned char *key, PRUint32 *subkey)
michael@0 651 {
michael@0 652 PRUint32 kll,klr,krl,krr; /* left half of key */
michael@0 653 PRUint32 krll,krlr,krrl,krrr; /* right half of key */
michael@0 654 PRUint32 il, ir, t0, t1, w0, w1; /* temporary variables */
michael@0 655 PRUint32 kw4l, kw4r, dw, tl, tr;
michael@0 656 PRUint32 subL[34];
michael@0 657 PRUint32 subR[34];
michael@0 658 #if defined(CAMELLIA_NEED_TMP_VARIABLE)
michael@0 659 PRUint32 tmp;
michael@0 660 #endif
michael@0 661
michael@0 662 /**
michael@0 663 * key = (kll || klr || krl || krr || krll || krlr || krrl || krrr)
michael@0 664 * (|| is concatination)
michael@0 665 */
michael@0 666
michael@0 667 kll = GETU32(key );
michael@0 668 klr = GETU32(key + 4);
michael@0 669 krl = GETU32(key + 8);
michael@0 670 krr = GETU32(key + 12);
michael@0 671 krll = GETU32(key + 16);
michael@0 672 krlr = GETU32(key + 20);
michael@0 673 krrl = GETU32(key + 24);
michael@0 674 krrr = GETU32(key + 28);
michael@0 675
michael@0 676 /* generate KL dependent subkeys */
michael@0 677 subl(0) = kll; subr(0) = klr;
michael@0 678 subl(1) = krl; subr(1) = krr;
michael@0 679 CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 45);
michael@0 680 subl(12) = kll; subr(12) = klr;
michael@0 681 subl(13) = krl; subr(13) = krr;
michael@0 682 CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
michael@0 683 subl(16) = kll; subr(16) = klr;
michael@0 684 subl(17) = krl; subr(17) = krr;
michael@0 685 CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
michael@0 686 subl(22) = kll; subr(22) = klr;
michael@0 687 subl(23) = krl; subr(23) = krr;
michael@0 688 CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34);
michael@0 689 subl(30) = kll; subr(30) = klr;
michael@0 690 subl(31) = krl; subr(31) = krr;
michael@0 691
michael@0 692 /* generate KR dependent subkeys */
michael@0 693 CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15);
michael@0 694 subl(4) = krll; subr(4) = krlr;
michael@0 695 subl(5) = krrl; subr(5) = krrr;
michael@0 696 CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15);
michael@0 697 subl(8) = krll; subr(8) = krlr;
michael@0 698 subl(9) = krrl; subr(9) = krrr;
michael@0 699 CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
michael@0 700 subl(18) = krll; subr(18) = krlr;
michael@0 701 subl(19) = krrl; subr(19) = krrr;
michael@0 702 CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34);
michael@0 703 subl(26) = krll; subr(26) = krlr;
michael@0 704 subl(27) = krrl; subr(27) = krrr;
michael@0 705 CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34);
michael@0 706
michael@0 707 /* generate KA */
michael@0 708 kll = subl(0) ^ krll; klr = subr(0) ^ krlr;
michael@0 709 krl = subl(1) ^ krrl; krr = subr(1) ^ krrr;
michael@0 710 CAMELLIA_F(kll, klr,
michael@0 711 CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R,
michael@0 712 w0, w1, il, ir, t0, t1);
michael@0 713 krl ^= w0; krr ^= w1;
michael@0 714 CAMELLIA_F(krl, krr,
michael@0 715 CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R,
michael@0 716 kll, klr, il, ir, t0, t1);
michael@0 717 kll ^= krll; klr ^= krlr;
michael@0 718 CAMELLIA_F(kll, klr,
michael@0 719 CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R,
michael@0 720 krl, krr, il, ir, t0, t1);
michael@0 721 krl ^= w0 ^ krrl; krr ^= w1 ^ krrr;
michael@0 722 CAMELLIA_F(krl, krr,
michael@0 723 CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R,
michael@0 724 w0, w1, il, ir, t0, t1);
michael@0 725 kll ^= w0; klr ^= w1;
michael@0 726
michael@0 727 /* generate KB */
michael@0 728 krll ^= kll; krlr ^= klr;
michael@0 729 krrl ^= krl; krrr ^= krr;
michael@0 730 CAMELLIA_F(krll, krlr,
michael@0 731 CAMELLIA_SIGMA5L, CAMELLIA_SIGMA5R,
michael@0 732 w0, w1, il, ir, t0, t1);
michael@0 733 krrl ^= w0; krrr ^= w1;
michael@0 734 CAMELLIA_F(krrl, krrr,
michael@0 735 CAMELLIA_SIGMA6L, CAMELLIA_SIGMA6R,
michael@0 736 w0, w1, il, ir, t0, t1);
michael@0 737 krll ^= w0; krlr ^= w1;
michael@0 738
michael@0 739 /* generate KA dependent subkeys */
michael@0 740 CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
michael@0 741 subl(6) = kll; subr(6) = klr;
michael@0 742 subl(7) = krl; subr(7) = krr;
michael@0 743 CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30);
michael@0 744 subl(14) = kll; subr(14) = klr;
michael@0 745 subl(15) = krl; subr(15) = krr;
michael@0 746 subl(24) = klr; subr(24) = krl;
michael@0 747 subl(25) = krr; subr(25) = kll;
michael@0 748 CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 49);
michael@0 749 subl(28) = kll; subr(28) = klr;
michael@0 750 subl(29) = krl; subr(29) = krr;
michael@0 751
michael@0 752 /* generate KB dependent subkeys */
michael@0 753 subl(2) = krll; subr(2) = krlr;
michael@0 754 subl(3) = krrl; subr(3) = krrr;
michael@0 755 CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
michael@0 756 subl(10) = krll; subr(10) = krlr;
michael@0 757 subl(11) = krrl; subr(11) = krrr;
michael@0 758 CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
michael@0 759 subl(20) = krll; subr(20) = krlr;
michael@0 760 subl(21) = krrl; subr(21) = krrr;
michael@0 761 CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 51);
michael@0 762 subl(32) = krll; subr(32) = krlr;
michael@0 763 subl(33) = krrl; subr(33) = krrr;
michael@0 764
michael@0 765 /* absorb kw2 to other subkeys */
michael@0 766 subl(3) ^= subl(1); subr(3) ^= subr(1);
michael@0 767 subl(5) ^= subl(1); subr(5) ^= subr(1);
michael@0 768 subl(7) ^= subl(1); subr(7) ^= subr(1);
michael@0 769 subl(1) ^= subr(1) & ~subr(9);
michael@0 770 dw = subl(1) & subl(9), subr(1) ^= CAMELLIA_RL1(dw);
michael@0 771 subl(11) ^= subl(1); subr(11) ^= subr(1);
michael@0 772 subl(13) ^= subl(1); subr(13) ^= subr(1);
michael@0 773 subl(15) ^= subl(1); subr(15) ^= subr(1);
michael@0 774 subl(1) ^= subr(1) & ~subr(17);
michael@0 775 dw = subl(1) & subl(17), subr(1) ^= CAMELLIA_RL1(dw);
michael@0 776 subl(19) ^= subl(1); subr(19) ^= subr(1);
michael@0 777 subl(21) ^= subl(1); subr(21) ^= subr(1);
michael@0 778 subl(23) ^= subl(1); subr(23) ^= subr(1);
michael@0 779 subl(1) ^= subr(1) & ~subr(25);
michael@0 780 dw = subl(1) & subl(25), subr(1) ^= CAMELLIA_RL1(dw);
michael@0 781 subl(27) ^= subl(1); subr(27) ^= subr(1);
michael@0 782 subl(29) ^= subl(1); subr(29) ^= subr(1);
michael@0 783 subl(31) ^= subl(1); subr(31) ^= subr(1);
michael@0 784 subl(32) ^= subl(1); subr(32) ^= subr(1);
michael@0 785
michael@0 786 /* absorb kw4 to other subkeys */
michael@0 787 kw4l = subl(33); kw4r = subr(33);
michael@0 788 subl(30) ^= kw4l; subr(30) ^= kw4r;
michael@0 789 subl(28) ^= kw4l; subr(28) ^= kw4r;
michael@0 790 subl(26) ^= kw4l; subr(26) ^= kw4r;
michael@0 791 kw4l ^= kw4r & ~subr(24);
michael@0 792 dw = kw4l & subl(24), kw4r ^= CAMELLIA_RL1(dw);
michael@0 793 subl(22) ^= kw4l; subr(22) ^= kw4r;
michael@0 794 subl(20) ^= kw4l; subr(20) ^= kw4r;
michael@0 795 subl(18) ^= kw4l; subr(18) ^= kw4r;
michael@0 796 kw4l ^= kw4r & ~subr(16);
michael@0 797 dw = kw4l & subl(16), kw4r ^= CAMELLIA_RL1(dw);
michael@0 798 subl(14) ^= kw4l; subr(14) ^= kw4r;
michael@0 799 subl(12) ^= kw4l; subr(12) ^= kw4r;
michael@0 800 subl(10) ^= kw4l; subr(10) ^= kw4r;
michael@0 801 kw4l ^= kw4r & ~subr(8);
michael@0 802 dw = kw4l & subl(8), kw4r ^= CAMELLIA_RL1(dw);
michael@0 803 subl(6) ^= kw4l; subr(6) ^= kw4r;
michael@0 804 subl(4) ^= kw4l; subr(4) ^= kw4r;
michael@0 805 subl(2) ^= kw4l; subr(2) ^= kw4r;
michael@0 806 subl(0) ^= kw4l; subr(0) ^= kw4r;
michael@0 807
michael@0 808 /* key XOR is end of F-function */
michael@0 809 CamelliaSubkeyL(0) = subl(0) ^ subl(2);
michael@0 810 CamelliaSubkeyR(0) = subr(0) ^ subr(2);
michael@0 811 CamelliaSubkeyL(2) = subl(3);
michael@0 812 CamelliaSubkeyR(2) = subr(3);
michael@0 813 CamelliaSubkeyL(3) = subl(2) ^ subl(4);
michael@0 814 CamelliaSubkeyR(3) = subr(2) ^ subr(4);
michael@0 815 CamelliaSubkeyL(4) = subl(3) ^ subl(5);
michael@0 816 CamelliaSubkeyR(4) = subr(3) ^ subr(5);
michael@0 817 CamelliaSubkeyL(5) = subl(4) ^ subl(6);
michael@0 818 CamelliaSubkeyR(5) = subr(4) ^ subr(6);
michael@0 819 CamelliaSubkeyL(6) = subl(5) ^ subl(7);
michael@0 820 CamelliaSubkeyR(6) = subr(5) ^ subr(7);
michael@0 821 tl = subl(10) ^ (subr(10) & ~subr(8));
michael@0 822 dw = tl & subl(8), tr = subr(10) ^ CAMELLIA_RL1(dw);
michael@0 823 CamelliaSubkeyL(7) = subl(6) ^ tl;
michael@0 824 CamelliaSubkeyR(7) = subr(6) ^ tr;
michael@0 825 CamelliaSubkeyL(8) = subl(8);
michael@0 826 CamelliaSubkeyR(8) = subr(8);
michael@0 827 CamelliaSubkeyL(9) = subl(9);
michael@0 828 CamelliaSubkeyR(9) = subr(9);
michael@0 829 tl = subl(7) ^ (subr(7) & ~subr(9));
michael@0 830 dw = tl & subl(9), tr = subr(7) ^ CAMELLIA_RL1(dw);
michael@0 831 CamelliaSubkeyL(10) = tl ^ subl(11);
michael@0 832 CamelliaSubkeyR(10) = tr ^ subr(11);
michael@0 833 CamelliaSubkeyL(11) = subl(10) ^ subl(12);
michael@0 834 CamelliaSubkeyR(11) = subr(10) ^ subr(12);
michael@0 835 CamelliaSubkeyL(12) = subl(11) ^ subl(13);
michael@0 836 CamelliaSubkeyR(12) = subr(11) ^ subr(13);
michael@0 837 CamelliaSubkeyL(13) = subl(12) ^ subl(14);
michael@0 838 CamelliaSubkeyR(13) = subr(12) ^ subr(14);
michael@0 839 CamelliaSubkeyL(14) = subl(13) ^ subl(15);
michael@0 840 CamelliaSubkeyR(14) = subr(13) ^ subr(15);
michael@0 841 tl = subl(18) ^ (subr(18) & ~subr(16));
michael@0 842 dw = tl & subl(16), tr = subr(18) ^ CAMELLIA_RL1(dw);
michael@0 843 CamelliaSubkeyL(15) = subl(14) ^ tl;
michael@0 844 CamelliaSubkeyR(15) = subr(14) ^ tr;
michael@0 845 CamelliaSubkeyL(16) = subl(16);
michael@0 846 CamelliaSubkeyR(16) = subr(16);
michael@0 847 CamelliaSubkeyL(17) = subl(17);
michael@0 848 CamelliaSubkeyR(17) = subr(17);
michael@0 849 tl = subl(15) ^ (subr(15) & ~subr(17));
michael@0 850 dw = tl & subl(17), tr = subr(15) ^ CAMELLIA_RL1(dw);
michael@0 851 CamelliaSubkeyL(18) = tl ^ subl(19);
michael@0 852 CamelliaSubkeyR(18) = tr ^ subr(19);
michael@0 853 CamelliaSubkeyL(19) = subl(18) ^ subl(20);
michael@0 854 CamelliaSubkeyR(19) = subr(18) ^ subr(20);
michael@0 855 CamelliaSubkeyL(20) = subl(19) ^ subl(21);
michael@0 856 CamelliaSubkeyR(20) = subr(19) ^ subr(21);
michael@0 857 CamelliaSubkeyL(21) = subl(20) ^ subl(22);
michael@0 858 CamelliaSubkeyR(21) = subr(20) ^ subr(22);
michael@0 859 CamelliaSubkeyL(22) = subl(21) ^ subl(23);
michael@0 860 CamelliaSubkeyR(22) = subr(21) ^ subr(23);
michael@0 861 tl = subl(26) ^ (subr(26) & ~subr(24));
michael@0 862 dw = tl & subl(24), tr = subr(26) ^ CAMELLIA_RL1(dw);
michael@0 863 CamelliaSubkeyL(23) = subl(22) ^ tl;
michael@0 864 CamelliaSubkeyR(23) = subr(22) ^ tr;
michael@0 865 CamelliaSubkeyL(24) = subl(24);
michael@0 866 CamelliaSubkeyR(24) = subr(24);
michael@0 867 CamelliaSubkeyL(25) = subl(25);
michael@0 868 CamelliaSubkeyR(25) = subr(25);
michael@0 869 tl = subl(23) ^ (subr(23) & ~subr(25));
michael@0 870 dw = tl & subl(25), tr = subr(23) ^ CAMELLIA_RL1(dw);
michael@0 871 CamelliaSubkeyL(26) = tl ^ subl(27);
michael@0 872 CamelliaSubkeyR(26) = tr ^ subr(27);
michael@0 873 CamelliaSubkeyL(27) = subl(26) ^ subl(28);
michael@0 874 CamelliaSubkeyR(27) = subr(26) ^ subr(28);
michael@0 875 CamelliaSubkeyL(28) = subl(27) ^ subl(29);
michael@0 876 CamelliaSubkeyR(28) = subr(27) ^ subr(29);
michael@0 877 CamelliaSubkeyL(29) = subl(28) ^ subl(30);
michael@0 878 CamelliaSubkeyR(29) = subr(28) ^ subr(30);
michael@0 879 CamelliaSubkeyL(30) = subl(29) ^ subl(31);
michael@0 880 CamelliaSubkeyR(30) = subr(29) ^ subr(31);
michael@0 881 CamelliaSubkeyL(31) = subl(30);
michael@0 882 CamelliaSubkeyR(31) = subr(30);
michael@0 883 CamelliaSubkeyL(32) = subl(32) ^ subl(31);
michael@0 884 CamelliaSubkeyR(32) = subr(32) ^ subr(31);
michael@0 885
michael@0 886 /* apply the inverse of the last half of P-function */
michael@0 887 dw = CamelliaSubkeyL(2) ^ CamelliaSubkeyR(2), dw = CAMELLIA_RL8(dw);
michael@0 888 CamelliaSubkeyR(2) = CamelliaSubkeyL(2) ^ dw, CamelliaSubkeyL(2) = dw;
michael@0 889 dw = CamelliaSubkeyL(3) ^ CamelliaSubkeyR(3), dw = CAMELLIA_RL8(dw);
michael@0 890 CamelliaSubkeyR(3) = CamelliaSubkeyL(3) ^ dw, CamelliaSubkeyL(3) = dw;
michael@0 891 dw = CamelliaSubkeyL(4) ^ CamelliaSubkeyR(4), dw = CAMELLIA_RL8(dw);
michael@0 892 CamelliaSubkeyR(4) = CamelliaSubkeyL(4) ^ dw, CamelliaSubkeyL(4) = dw;
michael@0 893 dw = CamelliaSubkeyL(5) ^ CamelliaSubkeyR(5), dw = CAMELLIA_RL8(dw);
michael@0 894 CamelliaSubkeyR(5) = CamelliaSubkeyL(5) ^ dw, CamelliaSubkeyL(5) = dw;
michael@0 895 dw = CamelliaSubkeyL(6) ^ CamelliaSubkeyR(6), dw = CAMELLIA_RL8(dw);
michael@0 896 CamelliaSubkeyR(6) = CamelliaSubkeyL(6) ^ dw, CamelliaSubkeyL(6) = dw;
michael@0 897 dw = CamelliaSubkeyL(7) ^ CamelliaSubkeyR(7), dw = CAMELLIA_RL8(dw);
michael@0 898 CamelliaSubkeyR(7) = CamelliaSubkeyL(7) ^ dw, CamelliaSubkeyL(7) = dw;
michael@0 899 dw = CamelliaSubkeyL(10) ^ CamelliaSubkeyR(10), dw = CAMELLIA_RL8(dw);
michael@0 900 CamelliaSubkeyR(10) = CamelliaSubkeyL(10) ^ dw, CamelliaSubkeyL(10) = dw;
michael@0 901 dw = CamelliaSubkeyL(11) ^ CamelliaSubkeyR(11), dw = CAMELLIA_RL8(dw);
michael@0 902 CamelliaSubkeyR(11) = CamelliaSubkeyL(11) ^ dw, CamelliaSubkeyL(11) = dw;
michael@0 903 dw = CamelliaSubkeyL(12) ^ CamelliaSubkeyR(12), dw = CAMELLIA_RL8(dw);
michael@0 904 CamelliaSubkeyR(12) = CamelliaSubkeyL(12) ^ dw, CamelliaSubkeyL(12) = dw;
michael@0 905 dw = CamelliaSubkeyL(13) ^ CamelliaSubkeyR(13), dw = CAMELLIA_RL8(dw);
michael@0 906 CamelliaSubkeyR(13) = CamelliaSubkeyL(13) ^ dw, CamelliaSubkeyL(13) = dw;
michael@0 907 dw = CamelliaSubkeyL(14) ^ CamelliaSubkeyR(14), dw = CAMELLIA_RL8(dw);
michael@0 908 CamelliaSubkeyR(14) = CamelliaSubkeyL(14) ^ dw, CamelliaSubkeyL(14) = dw;
michael@0 909 dw = CamelliaSubkeyL(15) ^ CamelliaSubkeyR(15), dw = CAMELLIA_RL8(dw);
michael@0 910 CamelliaSubkeyR(15) = CamelliaSubkeyL(15) ^ dw, CamelliaSubkeyL(15) = dw;
michael@0 911 dw = CamelliaSubkeyL(18) ^ CamelliaSubkeyR(18), dw = CAMELLIA_RL8(dw);
michael@0 912 CamelliaSubkeyR(18) = CamelliaSubkeyL(18) ^ dw, CamelliaSubkeyL(18) = dw;
michael@0 913 dw = CamelliaSubkeyL(19) ^ CamelliaSubkeyR(19), dw = CAMELLIA_RL8(dw);
michael@0 914 CamelliaSubkeyR(19) = CamelliaSubkeyL(19) ^ dw, CamelliaSubkeyL(19) = dw;
michael@0 915 dw = CamelliaSubkeyL(20) ^ CamelliaSubkeyR(20), dw = CAMELLIA_RL8(dw);
michael@0 916 CamelliaSubkeyR(20) = CamelliaSubkeyL(20) ^ dw, CamelliaSubkeyL(20) = dw;
michael@0 917 dw = CamelliaSubkeyL(21) ^ CamelliaSubkeyR(21), dw = CAMELLIA_RL8(dw);
michael@0 918 CamelliaSubkeyR(21) = CamelliaSubkeyL(21) ^ dw, CamelliaSubkeyL(21) = dw;
michael@0 919 dw = CamelliaSubkeyL(22) ^ CamelliaSubkeyR(22), dw = CAMELLIA_RL8(dw);
michael@0 920 CamelliaSubkeyR(22) = CamelliaSubkeyL(22) ^ dw, CamelliaSubkeyL(22) = dw;
michael@0 921 dw = CamelliaSubkeyL(23) ^ CamelliaSubkeyR(23), dw = CAMELLIA_RL8(dw);
michael@0 922 CamelliaSubkeyR(23) = CamelliaSubkeyL(23) ^ dw, CamelliaSubkeyL(23) = dw;
michael@0 923 dw = CamelliaSubkeyL(26) ^ CamelliaSubkeyR(26), dw = CAMELLIA_RL8(dw);
michael@0 924 CamelliaSubkeyR(26) = CamelliaSubkeyL(26) ^ dw, CamelliaSubkeyL(26) = dw;
michael@0 925 dw = CamelliaSubkeyL(27) ^ CamelliaSubkeyR(27), dw = CAMELLIA_RL8(dw);
michael@0 926 CamelliaSubkeyR(27) = CamelliaSubkeyL(27) ^ dw, CamelliaSubkeyL(27) = dw;
michael@0 927 dw = CamelliaSubkeyL(28) ^ CamelliaSubkeyR(28), dw = CAMELLIA_RL8(dw);
michael@0 928 CamelliaSubkeyR(28) = CamelliaSubkeyL(28) ^ dw, CamelliaSubkeyL(28) = dw;
michael@0 929 dw = CamelliaSubkeyL(29) ^ CamelliaSubkeyR(29), dw = CAMELLIA_RL8(dw);
michael@0 930 CamelliaSubkeyR(29) = CamelliaSubkeyL(29) ^ dw, CamelliaSubkeyL(29) = dw;
michael@0 931 dw = CamelliaSubkeyL(30) ^ CamelliaSubkeyR(30), dw = CAMELLIA_RL8(dw);
michael@0 932 CamelliaSubkeyR(30) = CamelliaSubkeyL(30) ^ dw, CamelliaSubkeyL(30) = dw;
michael@0 933 dw = CamelliaSubkeyL(31) ^ CamelliaSubkeyR(31), dw = CAMELLIA_RL8(dw);
michael@0 934 CamelliaSubkeyR(31) = CamelliaSubkeyL(31) ^ dw,CamelliaSubkeyL(31) = dw;
michael@0 935
michael@0 936 return;
michael@0 937 }
michael@0 938
michael@0 939 void camellia_setup192(const unsigned char *key, PRUint32 *subkey)
michael@0 940 {
michael@0 941 unsigned char kk[32];
michael@0 942 PRUint32 krll, krlr, krrl,krrr;
michael@0 943
michael@0 944 memcpy(kk, key, 24);
michael@0 945 memcpy((unsigned char *)&krll, key+16,4);
michael@0 946 memcpy((unsigned char *)&krlr, key+20,4);
michael@0 947 krrl = ~krll;
michael@0 948 krrr = ~krlr;
michael@0 949 memcpy(kk+24, (unsigned char *)&krrl, 4);
michael@0 950 memcpy(kk+28, (unsigned char *)&krrr, 4);
michael@0 951 camellia_setup256(kk, subkey);
michael@0 952 return;
michael@0 953 }
michael@0 954
michael@0 955
michael@0 956 /**
michael@0 957 * Stuff related to camellia encryption/decryption
michael@0 958 *
michael@0 959 */
michael@0 960 SECStatus
michael@0 961 camellia_encrypt128(const PRUint32 *subkey,
michael@0 962 unsigned char *output,
michael@0 963 const unsigned char *input)
michael@0 964 {
michael@0 965 PRUint32 il, ir, t0, t1;
michael@0 966 PRUint32 io[4];
michael@0 967 #if defined(CAMELLIA_NEED_TMP_VARIABLE)
michael@0 968 PRUint32 tmp;
michael@0 969 #endif
michael@0 970
michael@0 971 io[0] = GETU32(input);
michael@0 972 io[1] = GETU32(input+4);
michael@0 973 io[2] = GETU32(input+8);
michael@0 974 io[3] = GETU32(input+12);
michael@0 975
michael@0 976 /* pre whitening but absorb kw2*/
michael@0 977 io[0] ^= CamelliaSubkeyL(0);
michael@0 978 io[1] ^= CamelliaSubkeyR(0);
michael@0 979 /* main iteration */
michael@0 980
michael@0 981 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 982 CamelliaSubkeyL(2),CamelliaSubkeyR(2),
michael@0 983 io[2],io[3],il,ir,t0,t1);
michael@0 984 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 985 CamelliaSubkeyL(3),CamelliaSubkeyR(3),
michael@0 986 io[0],io[1],il,ir,t0,t1);
michael@0 987 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 988 CamelliaSubkeyL(4),CamelliaSubkeyR(4),
michael@0 989 io[2],io[3],il,ir,t0,t1);
michael@0 990 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 991 CamelliaSubkeyL(5),CamelliaSubkeyR(5),
michael@0 992 io[0],io[1],il,ir,t0,t1);
michael@0 993 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 994 CamelliaSubkeyL(6),CamelliaSubkeyR(6),
michael@0 995 io[2],io[3],il,ir,t0,t1);
michael@0 996 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 997 CamelliaSubkeyL(7),CamelliaSubkeyR(7),
michael@0 998 io[0],io[1],il,ir,t0,t1);
michael@0 999
michael@0 1000 CAMELLIA_FLS(io[0],io[1],io[2],io[3],
michael@0 1001 CamelliaSubkeyL(8),CamelliaSubkeyR(8),
michael@0 1002 CamelliaSubkeyL(9),CamelliaSubkeyR(9),
michael@0 1003 t0,t1,il,ir);
michael@0 1004
michael@0 1005 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1006 CamelliaSubkeyL(10),CamelliaSubkeyR(10),
michael@0 1007 io[2],io[3],il,ir,t0,t1);
michael@0 1008 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1009 CamelliaSubkeyL(11),CamelliaSubkeyR(11),
michael@0 1010 io[0],io[1],il,ir,t0,t1);
michael@0 1011 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1012 CamelliaSubkeyL(12),CamelliaSubkeyR(12),
michael@0 1013 io[2],io[3],il,ir,t0,t1);
michael@0 1014 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1015 CamelliaSubkeyL(13),CamelliaSubkeyR(13),
michael@0 1016 io[0],io[1],il,ir,t0,t1);
michael@0 1017 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1018 CamelliaSubkeyL(14),CamelliaSubkeyR(14),
michael@0 1019 io[2],io[3],il,ir,t0,t1);
michael@0 1020 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1021 CamelliaSubkeyL(15),CamelliaSubkeyR(15),
michael@0 1022 io[0],io[1],il,ir,t0,t1);
michael@0 1023
michael@0 1024 CAMELLIA_FLS(io[0],io[1],io[2],io[3],
michael@0 1025 CamelliaSubkeyL(16),CamelliaSubkeyR(16),
michael@0 1026 CamelliaSubkeyL(17),CamelliaSubkeyR(17),
michael@0 1027 t0,t1,il,ir);
michael@0 1028
michael@0 1029 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1030 CamelliaSubkeyL(18),CamelliaSubkeyR(18),
michael@0 1031 io[2],io[3],il,ir,t0,t1);
michael@0 1032 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1033 CamelliaSubkeyL(19),CamelliaSubkeyR(19),
michael@0 1034 io[0],io[1],il,ir,t0,t1);
michael@0 1035 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1036 CamelliaSubkeyL(20),CamelliaSubkeyR(20),
michael@0 1037 io[2],io[3],il,ir,t0,t1);
michael@0 1038 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1039 CamelliaSubkeyL(21),CamelliaSubkeyR(21),
michael@0 1040 io[0],io[1],il,ir,t0,t1);
michael@0 1041 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1042 CamelliaSubkeyL(22),CamelliaSubkeyR(22),
michael@0 1043 io[2],io[3],il,ir,t0,t1);
michael@0 1044 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1045 CamelliaSubkeyL(23),CamelliaSubkeyR(23),
michael@0 1046 io[0],io[1],il,ir,t0,t1);
michael@0 1047
michael@0 1048 /* post whitening but kw4 */
michael@0 1049 io[2] ^= CamelliaSubkeyL(24);
michael@0 1050 io[3] ^= CamelliaSubkeyR(24);
michael@0 1051
michael@0 1052 t0 = io[0];
michael@0 1053 t1 = io[1];
michael@0 1054 io[0] = io[2];
michael@0 1055 io[1] = io[3];
michael@0 1056 io[2] = t0;
michael@0 1057 io[3] = t1;
michael@0 1058
michael@0 1059 PUTU32(output, io[0]);
michael@0 1060 PUTU32(output+4, io[1]);
michael@0 1061 PUTU32(output+8, io[2]);
michael@0 1062 PUTU32(output+12, io[3]);
michael@0 1063
michael@0 1064 return SECSuccess;
michael@0 1065 }
michael@0 1066
michael@0 1067 SECStatus
michael@0 1068 camellia_decrypt128(const PRUint32 *subkey,
michael@0 1069 unsigned char *output,
michael@0 1070 const unsigned char *input)
michael@0 1071 {
michael@0 1072 PRUint32 il,ir,t0,t1; /* temporary valiables */
michael@0 1073 PRUint32 io[4];
michael@0 1074 #if defined(CAMELLIA_NEED_TMP_VARIABLE)
michael@0 1075 PRUint32 tmp;
michael@0 1076 #endif
michael@0 1077
michael@0 1078 io[0] = GETU32(input);
michael@0 1079 io[1] = GETU32(input+4);
michael@0 1080 io[2] = GETU32(input+8);
michael@0 1081 io[3] = GETU32(input+12);
michael@0 1082
michael@0 1083 /* pre whitening but absorb kw2*/
michael@0 1084 io[0] ^= CamelliaSubkeyL(24);
michael@0 1085 io[1] ^= CamelliaSubkeyR(24);
michael@0 1086
michael@0 1087 /* main iteration */
michael@0 1088 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1089 CamelliaSubkeyL(23),CamelliaSubkeyR(23),
michael@0 1090 io[2],io[3],il,ir,t0,t1);
michael@0 1091 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1092 CamelliaSubkeyL(22),CamelliaSubkeyR(22),
michael@0 1093 io[0],io[1],il,ir,t0,t1);
michael@0 1094 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1095 CamelliaSubkeyL(21),CamelliaSubkeyR(21),
michael@0 1096 io[2],io[3],il,ir,t0,t1);
michael@0 1097 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1098 CamelliaSubkeyL(20),CamelliaSubkeyR(20),
michael@0 1099 io[0],io[1],il,ir,t0,t1);
michael@0 1100 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1101 CamelliaSubkeyL(19),CamelliaSubkeyR(19),
michael@0 1102 io[2],io[3],il,ir,t0,t1);
michael@0 1103 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1104 CamelliaSubkeyL(18),CamelliaSubkeyR(18),
michael@0 1105 io[0],io[1],il,ir,t0,t1);
michael@0 1106
michael@0 1107 CAMELLIA_FLS(io[0],io[1],io[2],io[3],
michael@0 1108 CamelliaSubkeyL(17),CamelliaSubkeyR(17),
michael@0 1109 CamelliaSubkeyL(16),CamelliaSubkeyR(16),
michael@0 1110 t0,t1,il,ir);
michael@0 1111
michael@0 1112 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1113 CamelliaSubkeyL(15),CamelliaSubkeyR(15),
michael@0 1114 io[2],io[3],il,ir,t0,t1);
michael@0 1115 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1116 CamelliaSubkeyL(14),CamelliaSubkeyR(14),
michael@0 1117 io[0],io[1],il,ir,t0,t1);
michael@0 1118 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1119 CamelliaSubkeyL(13),CamelliaSubkeyR(13),
michael@0 1120 io[2],io[3],il,ir,t0,t1);
michael@0 1121 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1122 CamelliaSubkeyL(12),CamelliaSubkeyR(12),
michael@0 1123 io[0],io[1],il,ir,t0,t1);
michael@0 1124 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1125 CamelliaSubkeyL(11),CamelliaSubkeyR(11),
michael@0 1126 io[2],io[3],il,ir,t0,t1);
michael@0 1127 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1128 CamelliaSubkeyL(10),CamelliaSubkeyR(10),
michael@0 1129 io[0],io[1],il,ir,t0,t1);
michael@0 1130
michael@0 1131 CAMELLIA_FLS(io[0],io[1],io[2],io[3],
michael@0 1132 CamelliaSubkeyL(9),CamelliaSubkeyR(9),
michael@0 1133 CamelliaSubkeyL(8),CamelliaSubkeyR(8),
michael@0 1134 t0,t1,il,ir);
michael@0 1135
michael@0 1136 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1137 CamelliaSubkeyL(7),CamelliaSubkeyR(7),
michael@0 1138 io[2],io[3],il,ir,t0,t1);
michael@0 1139 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1140 CamelliaSubkeyL(6),CamelliaSubkeyR(6),
michael@0 1141 io[0],io[1],il,ir,t0,t1);
michael@0 1142 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1143 CamelliaSubkeyL(5),CamelliaSubkeyR(5),
michael@0 1144 io[2],io[3],il,ir,t0,t1);
michael@0 1145 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1146 CamelliaSubkeyL(4),CamelliaSubkeyR(4),
michael@0 1147 io[0],io[1],il,ir,t0,t1);
michael@0 1148 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1149 CamelliaSubkeyL(3),CamelliaSubkeyR(3),
michael@0 1150 io[2],io[3],il,ir,t0,t1);
michael@0 1151 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1152 CamelliaSubkeyL(2),CamelliaSubkeyR(2),
michael@0 1153 io[0],io[1],il,ir,t0,t1);
michael@0 1154
michael@0 1155 /* post whitening but kw4 */
michael@0 1156 io[2] ^= CamelliaSubkeyL(0);
michael@0 1157 io[3] ^= CamelliaSubkeyR(0);
michael@0 1158
michael@0 1159 t0 = io[0];
michael@0 1160 t1 = io[1];
michael@0 1161 io[0] = io[2];
michael@0 1162 io[1] = io[3];
michael@0 1163 io[2] = t0;
michael@0 1164 io[3] = t1;
michael@0 1165
michael@0 1166 PUTU32(output, io[0]);
michael@0 1167 PUTU32(output+4, io[1]);
michael@0 1168 PUTU32(output+8, io[2]);
michael@0 1169 PUTU32(output+12, io[3]);
michael@0 1170
michael@0 1171 return SECSuccess;
michael@0 1172 }
michael@0 1173
michael@0 1174 /**
michael@0 1175 * stuff for 192 and 256bit encryption/decryption
michael@0 1176 */
michael@0 1177 SECStatus
michael@0 1178 camellia_encrypt256(const PRUint32 *subkey,
michael@0 1179 unsigned char *output,
michael@0 1180 const unsigned char *input)
michael@0 1181 {
michael@0 1182 PRUint32 il,ir,t0,t1; /* temporary valiables */
michael@0 1183 PRUint32 io[4];
michael@0 1184 #if defined(CAMELLIA_NEED_TMP_VARIABLE)
michael@0 1185 PRUint32 tmp;
michael@0 1186 #endif
michael@0 1187
michael@0 1188 io[0] = GETU32(input);
michael@0 1189 io[1] = GETU32(input+4);
michael@0 1190 io[2] = GETU32(input+8);
michael@0 1191 io[3] = GETU32(input+12);
michael@0 1192
michael@0 1193 /* pre whitening but absorb kw2*/
michael@0 1194 io[0] ^= CamelliaSubkeyL(0);
michael@0 1195 io[1] ^= CamelliaSubkeyR(0);
michael@0 1196
michael@0 1197 /* main iteration */
michael@0 1198 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1199 CamelliaSubkeyL(2),CamelliaSubkeyR(2),
michael@0 1200 io[2],io[3],il,ir,t0,t1);
michael@0 1201 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1202 CamelliaSubkeyL(3),CamelliaSubkeyR(3),
michael@0 1203 io[0],io[1],il,ir,t0,t1);
michael@0 1204 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1205 CamelliaSubkeyL(4),CamelliaSubkeyR(4),
michael@0 1206 io[2],io[3],il,ir,t0,t1);
michael@0 1207 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1208 CamelliaSubkeyL(5),CamelliaSubkeyR(5),
michael@0 1209 io[0],io[1],il,ir,t0,t1);
michael@0 1210 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1211 CamelliaSubkeyL(6),CamelliaSubkeyR(6),
michael@0 1212 io[2],io[3],il,ir,t0,t1);
michael@0 1213 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1214 CamelliaSubkeyL(7),CamelliaSubkeyR(7),
michael@0 1215 io[0],io[1],il,ir,t0,t1);
michael@0 1216
michael@0 1217 CAMELLIA_FLS(io[0],io[1],io[2],io[3],
michael@0 1218 CamelliaSubkeyL(8),CamelliaSubkeyR(8),
michael@0 1219 CamelliaSubkeyL(9),CamelliaSubkeyR(9),
michael@0 1220 t0,t1,il,ir);
michael@0 1221
michael@0 1222 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1223 CamelliaSubkeyL(10),CamelliaSubkeyR(10),
michael@0 1224 io[2],io[3],il,ir,t0,t1);
michael@0 1225 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1226 CamelliaSubkeyL(11),CamelliaSubkeyR(11),
michael@0 1227 io[0],io[1],il,ir,t0,t1);
michael@0 1228 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1229 CamelliaSubkeyL(12),CamelliaSubkeyR(12),
michael@0 1230 io[2],io[3],il,ir,t0,t1);
michael@0 1231 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1232 CamelliaSubkeyL(13),CamelliaSubkeyR(13),
michael@0 1233 io[0],io[1],il,ir,t0,t1);
michael@0 1234 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1235 CamelliaSubkeyL(14),CamelliaSubkeyR(14),
michael@0 1236 io[2],io[3],il,ir,t0,t1);
michael@0 1237 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1238 CamelliaSubkeyL(15),CamelliaSubkeyR(15),
michael@0 1239 io[0],io[1],il,ir,t0,t1);
michael@0 1240
michael@0 1241 CAMELLIA_FLS(io[0],io[1],io[2],io[3],
michael@0 1242 CamelliaSubkeyL(16),CamelliaSubkeyR(16),
michael@0 1243 CamelliaSubkeyL(17),CamelliaSubkeyR(17),
michael@0 1244 t0,t1,il,ir);
michael@0 1245
michael@0 1246 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1247 CamelliaSubkeyL(18),CamelliaSubkeyR(18),
michael@0 1248 io[2],io[3],il,ir,t0,t1);
michael@0 1249 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1250 CamelliaSubkeyL(19),CamelliaSubkeyR(19),
michael@0 1251 io[0],io[1],il,ir,t0,t1);
michael@0 1252 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1253 CamelliaSubkeyL(20),CamelliaSubkeyR(20),
michael@0 1254 io[2],io[3],il,ir,t0,t1);
michael@0 1255 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1256 CamelliaSubkeyL(21),CamelliaSubkeyR(21),
michael@0 1257 io[0],io[1],il,ir,t0,t1);
michael@0 1258 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1259 CamelliaSubkeyL(22),CamelliaSubkeyR(22),
michael@0 1260 io[2],io[3],il,ir,t0,t1);
michael@0 1261 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1262 CamelliaSubkeyL(23),CamelliaSubkeyR(23),
michael@0 1263 io[0],io[1],il,ir,t0,t1);
michael@0 1264
michael@0 1265 CAMELLIA_FLS(io[0],io[1],io[2],io[3],
michael@0 1266 CamelliaSubkeyL(24),CamelliaSubkeyR(24),
michael@0 1267 CamelliaSubkeyL(25),CamelliaSubkeyR(25),
michael@0 1268 t0,t1,il,ir);
michael@0 1269
michael@0 1270 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1271 CamelliaSubkeyL(26),CamelliaSubkeyR(26),
michael@0 1272 io[2],io[3],il,ir,t0,t1);
michael@0 1273 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1274 CamelliaSubkeyL(27),CamelliaSubkeyR(27),
michael@0 1275 io[0],io[1],il,ir,t0,t1);
michael@0 1276 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1277 CamelliaSubkeyL(28),CamelliaSubkeyR(28),
michael@0 1278 io[2],io[3],il,ir,t0,t1);
michael@0 1279 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1280 CamelliaSubkeyL(29),CamelliaSubkeyR(29),
michael@0 1281 io[0],io[1],il,ir,t0,t1);
michael@0 1282 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1283 CamelliaSubkeyL(30),CamelliaSubkeyR(30),
michael@0 1284 io[2],io[3],il,ir,t0,t1);
michael@0 1285 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1286 CamelliaSubkeyL(31),CamelliaSubkeyR(31),
michael@0 1287 io[0],io[1],il,ir,t0,t1);
michael@0 1288
michael@0 1289 /* post whitening but kw4 */
michael@0 1290 io[2] ^= CamelliaSubkeyL(32);
michael@0 1291 io[3] ^= CamelliaSubkeyR(32);
michael@0 1292
michael@0 1293 t0 = io[0];
michael@0 1294 t1 = io[1];
michael@0 1295 io[0] = io[2];
michael@0 1296 io[1] = io[3];
michael@0 1297 io[2] = t0;
michael@0 1298 io[3] = t1;
michael@0 1299
michael@0 1300 PUTU32(output, io[0]);
michael@0 1301 PUTU32(output+4, io[1]);
michael@0 1302 PUTU32(output+8, io[2]);
michael@0 1303 PUTU32(output+12, io[3]);
michael@0 1304
michael@0 1305 return SECSuccess;
michael@0 1306 }
michael@0 1307
michael@0 1308 SECStatus
michael@0 1309 camellia_decrypt256(const PRUint32 *subkey,
michael@0 1310 unsigned char *output,
michael@0 1311 const unsigned char *input)
michael@0 1312 {
michael@0 1313 PRUint32 il,ir,t0,t1; /* temporary valiables */
michael@0 1314 PRUint32 io[4];
michael@0 1315 #if defined(CAMELLIA_NEED_TMP_VARIABLE)
michael@0 1316 PRUint32 tmp;
michael@0 1317 #endif
michael@0 1318
michael@0 1319 io[0] = GETU32(input);
michael@0 1320 io[1] = GETU32(input+4);
michael@0 1321 io[2] = GETU32(input+8);
michael@0 1322 io[3] = GETU32(input+12);
michael@0 1323
michael@0 1324 /* pre whitening but absorb kw2*/
michael@0 1325 io[0] ^= CamelliaSubkeyL(32);
michael@0 1326 io[1] ^= CamelliaSubkeyR(32);
michael@0 1327
michael@0 1328 /* main iteration */
michael@0 1329 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1330 CamelliaSubkeyL(31),CamelliaSubkeyR(31),
michael@0 1331 io[2],io[3],il,ir,t0,t1);
michael@0 1332 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1333 CamelliaSubkeyL(30),CamelliaSubkeyR(30),
michael@0 1334 io[0],io[1],il,ir,t0,t1);
michael@0 1335 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1336 CamelliaSubkeyL(29),CamelliaSubkeyR(29),
michael@0 1337 io[2],io[3],il,ir,t0,t1);
michael@0 1338 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1339 CamelliaSubkeyL(28),CamelliaSubkeyR(28),
michael@0 1340 io[0],io[1],il,ir,t0,t1);
michael@0 1341 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1342 CamelliaSubkeyL(27),CamelliaSubkeyR(27),
michael@0 1343 io[2],io[3],il,ir,t0,t1);
michael@0 1344 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1345 CamelliaSubkeyL(26),CamelliaSubkeyR(26),
michael@0 1346 io[0],io[1],il,ir,t0,t1);
michael@0 1347
michael@0 1348 CAMELLIA_FLS(io[0],io[1],io[2],io[3],
michael@0 1349 CamelliaSubkeyL(25),CamelliaSubkeyR(25),
michael@0 1350 CamelliaSubkeyL(24),CamelliaSubkeyR(24),
michael@0 1351 t0,t1,il,ir);
michael@0 1352
michael@0 1353 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1354 CamelliaSubkeyL(23),CamelliaSubkeyR(23),
michael@0 1355 io[2],io[3],il,ir,t0,t1);
michael@0 1356 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1357 CamelliaSubkeyL(22),CamelliaSubkeyR(22),
michael@0 1358 io[0],io[1],il,ir,t0,t1);
michael@0 1359 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1360 CamelliaSubkeyL(21),CamelliaSubkeyR(21),
michael@0 1361 io[2],io[3],il,ir,t0,t1);
michael@0 1362 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1363 CamelliaSubkeyL(20),CamelliaSubkeyR(20),
michael@0 1364 io[0],io[1],il,ir,t0,t1);
michael@0 1365 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1366 CamelliaSubkeyL(19),CamelliaSubkeyR(19),
michael@0 1367 io[2],io[3],il,ir,t0,t1);
michael@0 1368 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1369 CamelliaSubkeyL(18),CamelliaSubkeyR(18),
michael@0 1370 io[0],io[1],il,ir,t0,t1);
michael@0 1371
michael@0 1372 CAMELLIA_FLS(io[0],io[1],io[2],io[3],
michael@0 1373 CamelliaSubkeyL(17),CamelliaSubkeyR(17),
michael@0 1374 CamelliaSubkeyL(16),CamelliaSubkeyR(16),
michael@0 1375 t0,t1,il,ir);
michael@0 1376
michael@0 1377 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1378 CamelliaSubkeyL(15),CamelliaSubkeyR(15),
michael@0 1379 io[2],io[3],il,ir,t0,t1);
michael@0 1380 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1381 CamelliaSubkeyL(14),CamelliaSubkeyR(14),
michael@0 1382 io[0],io[1],il,ir,t0,t1);
michael@0 1383 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1384 CamelliaSubkeyL(13),CamelliaSubkeyR(13),
michael@0 1385 io[2],io[3],il,ir,t0,t1);
michael@0 1386 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1387 CamelliaSubkeyL(12),CamelliaSubkeyR(12),
michael@0 1388 io[0],io[1],il,ir,t0,t1);
michael@0 1389 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1390 CamelliaSubkeyL(11),CamelliaSubkeyR(11),
michael@0 1391 io[2],io[3],il,ir,t0,t1);
michael@0 1392 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1393 CamelliaSubkeyL(10),CamelliaSubkeyR(10),
michael@0 1394 io[0],io[1],il,ir,t0,t1);
michael@0 1395
michael@0 1396 CAMELLIA_FLS(io[0],io[1],io[2],io[3],
michael@0 1397 CamelliaSubkeyL(9),CamelliaSubkeyR(9),
michael@0 1398 CamelliaSubkeyL(8),CamelliaSubkeyR(8),
michael@0 1399 t0,t1,il,ir);
michael@0 1400
michael@0 1401 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1402 CamelliaSubkeyL(7),CamelliaSubkeyR(7),
michael@0 1403 io[2],io[3],il,ir,t0,t1);
michael@0 1404 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1405 CamelliaSubkeyL(6),CamelliaSubkeyR(6),
michael@0 1406 io[0],io[1],il,ir,t0,t1);
michael@0 1407 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1408 CamelliaSubkeyL(5),CamelliaSubkeyR(5),
michael@0 1409 io[2],io[3],il,ir,t0,t1);
michael@0 1410 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1411 CamelliaSubkeyL(4),CamelliaSubkeyR(4),
michael@0 1412 io[0],io[1],il,ir,t0,t1);
michael@0 1413 CAMELLIA_ROUNDSM(io[0],io[1],
michael@0 1414 CamelliaSubkeyL(3),CamelliaSubkeyR(3),
michael@0 1415 io[2],io[3],il,ir,t0,t1);
michael@0 1416 CAMELLIA_ROUNDSM(io[2],io[3],
michael@0 1417 CamelliaSubkeyL(2),CamelliaSubkeyR(2),
michael@0 1418 io[0],io[1],il,ir,t0,t1);
michael@0 1419
michael@0 1420 /* post whitening but kw4 */
michael@0 1421 io[2] ^= CamelliaSubkeyL(0);
michael@0 1422 io[3] ^= CamelliaSubkeyR(0);
michael@0 1423
michael@0 1424 t0 = io[0];
michael@0 1425 t1 = io[1];
michael@0 1426 io[0] = io[2];
michael@0 1427 io[1] = io[3];
michael@0 1428 io[2] = t0;
michael@0 1429 io[3] = t1;
michael@0 1430
michael@0 1431 PUTU32(output, io[0]);
michael@0 1432 PUTU32(output+4, io[1]);
michael@0 1433 PUTU32(output+8, io[2]);
michael@0 1434 PUTU32(output+12, io[3]);
michael@0 1435
michael@0 1436 return SECSuccess;
michael@0 1437 }
michael@0 1438
michael@0 1439
michael@0 1440 /**************************************************************************
michael@0 1441 *
michael@0 1442 * Stuff related to the Camellia key schedule
michael@0 1443 *
michael@0 1444 *************************************************************************/
michael@0 1445
michael@0 1446 SECStatus
michael@0 1447 camellia_key_expansion(CamelliaContext *cx,
michael@0 1448 const unsigned char *key,
michael@0 1449 const unsigned int keysize)
michael@0 1450 {
michael@0 1451 cx->keysize = keysize;
michael@0 1452
michael@0 1453 switch(keysize) {
michael@0 1454 case 16:
michael@0 1455 camellia_setup128(key, cx->expandedKey);
michael@0 1456 break;
michael@0 1457 case 24:
michael@0 1458 camellia_setup192(key, cx->expandedKey);
michael@0 1459 break;
michael@0 1460 case 32:
michael@0 1461 camellia_setup256(key, cx->expandedKey);
michael@0 1462 break;
michael@0 1463 default:
michael@0 1464 break;
michael@0 1465 }
michael@0 1466 return SECSuccess;
michael@0 1467 }
michael@0 1468
michael@0 1469
michael@0 1470 /**************************************************************************
michael@0 1471 *
michael@0 1472 * Camellia modes of operation (ECB and CBC)
michael@0 1473 *
michael@0 1474 *************************************************************************/
michael@0 1475
michael@0 1476 SECStatus
michael@0 1477 camellia_encryptECB(CamelliaContext *cx, unsigned char *output,
michael@0 1478 unsigned int *outputLen, unsigned int maxOutputLen,
michael@0 1479 const unsigned char *input, unsigned int inputLen)
michael@0 1480 {
michael@0 1481 CamelliaBlockFunc *encryptor;
michael@0 1482
michael@0 1483 encryptor = (cx->keysize == 16)
michael@0 1484 ? &camellia_encrypt128
michael@0 1485 : &camellia_encrypt256;
michael@0 1486
michael@0 1487 while (inputLen > 0) {
michael@0 1488 (*encryptor)(cx->expandedKey, output, input);
michael@0 1489
michael@0 1490 output += CAMELLIA_BLOCK_SIZE;
michael@0 1491 input += CAMELLIA_BLOCK_SIZE;
michael@0 1492 inputLen -= CAMELLIA_BLOCK_SIZE;
michael@0 1493 }
michael@0 1494 return SECSuccess;
michael@0 1495 }
michael@0 1496
michael@0 1497 SECStatus
michael@0 1498 camellia_encryptCBC(CamelliaContext *cx, unsigned char *output,
michael@0 1499 unsigned int *outputLen, unsigned int maxOutputLen,
michael@0 1500 const unsigned char *input, unsigned int inputLen)
michael@0 1501 {
michael@0 1502 unsigned int j;
michael@0 1503 unsigned char *lastblock;
michael@0 1504 unsigned char inblock[CAMELLIA_BLOCK_SIZE];
michael@0 1505 CamelliaBlockFunc *encryptor;
michael@0 1506
michael@0 1507 if (!inputLen)
michael@0 1508 return SECSuccess;
michael@0 1509 lastblock = cx->iv;
michael@0 1510
michael@0 1511 encryptor = (cx->keysize == 16)
michael@0 1512 ? &camellia_encrypt128
michael@0 1513 : &camellia_encrypt256;
michael@0 1514
michael@0 1515 while (inputLen > 0) {
michael@0 1516 /* XOR with the last block (IV if first block) */
michael@0 1517 for (j=0; j<CAMELLIA_BLOCK_SIZE; ++j)
michael@0 1518 inblock[j] = input[j] ^ lastblock[j];
michael@0 1519 /* encrypt */
michael@0 1520 (*encryptor)(cx->expandedKey, output, inblock);
michael@0 1521
michael@0 1522 /* move to the next block */
michael@0 1523 lastblock = output;
michael@0 1524 output += CAMELLIA_BLOCK_SIZE;
michael@0 1525 input += CAMELLIA_BLOCK_SIZE;
michael@0 1526 inputLen -= CAMELLIA_BLOCK_SIZE;
michael@0 1527 }
michael@0 1528 memcpy(cx->iv, lastblock, CAMELLIA_BLOCK_SIZE);
michael@0 1529 return SECSuccess;
michael@0 1530 }
michael@0 1531
michael@0 1532 SECStatus
michael@0 1533 camellia_decryptECB(CamelliaContext *cx, unsigned char *output,
michael@0 1534 unsigned int *outputLen, unsigned int maxOutputLen,
michael@0 1535 const unsigned char *input, unsigned int inputLen)
michael@0 1536 {
michael@0 1537 CamelliaBlockFunc *decryptor;
michael@0 1538
michael@0 1539 decryptor = (cx->keysize == 16)
michael@0 1540 ? &camellia_decrypt128
michael@0 1541 : &camellia_decrypt256;
michael@0 1542
michael@0 1543
michael@0 1544 while (inputLen > 0) {
michael@0 1545
michael@0 1546 (*decryptor)(cx->expandedKey, output, input);
michael@0 1547
michael@0 1548 output += CAMELLIA_BLOCK_SIZE;
michael@0 1549 input += CAMELLIA_BLOCK_SIZE;
michael@0 1550 inputLen -= CAMELLIA_BLOCK_SIZE;
michael@0 1551 }
michael@0 1552 return SECSuccess;
michael@0 1553 }
michael@0 1554
michael@0 1555 SECStatus
michael@0 1556 camellia_decryptCBC(CamelliaContext *cx, unsigned char *output,
michael@0 1557 unsigned int *outputLen, unsigned int maxOutputLen,
michael@0 1558 const unsigned char *input, unsigned int inputLen)
michael@0 1559 {
michael@0 1560 const unsigned char *in;
michael@0 1561 unsigned char *out;
michael@0 1562 unsigned int j;
michael@0 1563 unsigned char newIV[CAMELLIA_BLOCK_SIZE];
michael@0 1564 CamelliaBlockFunc *decryptor;
michael@0 1565
michael@0 1566
michael@0 1567
michael@0 1568 if (!inputLen)
michael@0 1569 return SECSuccess;
michael@0 1570
michael@0 1571 PORT_Assert(output - input >= 0 || input - output >= (int)inputLen );
michael@0 1572
michael@0 1573 in = input + (inputLen - CAMELLIA_BLOCK_SIZE);
michael@0 1574 memcpy(newIV, in, CAMELLIA_BLOCK_SIZE);
michael@0 1575 out = output + (inputLen - CAMELLIA_BLOCK_SIZE);
michael@0 1576
michael@0 1577 decryptor = (cx->keysize == 16)
michael@0 1578 ? &camellia_decrypt128
michael@0 1579 : &camellia_decrypt256;
michael@0 1580
michael@0 1581 while (inputLen > CAMELLIA_BLOCK_SIZE) {
michael@0 1582 (*decryptor)(cx->expandedKey, out, in);
michael@0 1583
michael@0 1584 for (j=0; j<CAMELLIA_BLOCK_SIZE; ++j)
michael@0 1585 out[j] ^= in[(int)(j - CAMELLIA_BLOCK_SIZE)];
michael@0 1586
michael@0 1587 out -= CAMELLIA_BLOCK_SIZE;
michael@0 1588 in -= CAMELLIA_BLOCK_SIZE;
michael@0 1589 inputLen -= CAMELLIA_BLOCK_SIZE;
michael@0 1590 }
michael@0 1591 if (in == input) {
michael@0 1592 (*decryptor)(cx->expandedKey, out, in);
michael@0 1593
michael@0 1594 for (j=0; j<CAMELLIA_BLOCK_SIZE; ++j)
michael@0 1595 out[j] ^= cx->iv[j];
michael@0 1596 }
michael@0 1597 memcpy(cx->iv, newIV, CAMELLIA_BLOCK_SIZE);
michael@0 1598 return SECSuccess;
michael@0 1599 }
michael@0 1600
michael@0 1601 /**************************************************************************
michael@0 1602 *
michael@0 1603 * BLAPI Interface functions
michael@0 1604 *
michael@0 1605 *************************************************************************/
michael@0 1606
michael@0 1607 CamelliaContext *
michael@0 1608 Camellia_AllocateContext(void)
michael@0 1609 {
michael@0 1610 return PORT_ZNew(CamelliaContext);
michael@0 1611 }
michael@0 1612
michael@0 1613 SECStatus
michael@0 1614 Camellia_InitContext(CamelliaContext *cx, const unsigned char *key,
michael@0 1615 unsigned int keysize,
michael@0 1616 const unsigned char *iv, int mode, unsigned int encrypt,
michael@0 1617 unsigned int unused)
michael@0 1618 {
michael@0 1619 if (key == NULL ||
michael@0 1620 (keysize != 16 && keysize != 24 && keysize != 32)) {
michael@0 1621 PORT_SetError(SEC_ERROR_INVALID_ARGS);
michael@0 1622 return SECFailure;
michael@0 1623 }
michael@0 1624 if (mode != NSS_CAMELLIA && mode != NSS_CAMELLIA_CBC) {
michael@0 1625 PORT_SetError(SEC_ERROR_INVALID_ARGS);
michael@0 1626 return SECFailure;
michael@0 1627 }
michael@0 1628 if (mode == NSS_CAMELLIA_CBC && iv == NULL) {
michael@0 1629 PORT_SetError(SEC_ERROR_INVALID_ARGS);
michael@0 1630 return SECFailure;
michael@0 1631 }
michael@0 1632 if (!cx) {
michael@0 1633 PORT_SetError(SEC_ERROR_INVALID_ARGS);
michael@0 1634 return SECFailure;
michael@0 1635 }
michael@0 1636 if (mode == NSS_CAMELLIA_CBC) {
michael@0 1637 memcpy(cx->iv, iv, CAMELLIA_BLOCK_SIZE);
michael@0 1638 cx->worker = (encrypt) ? &camellia_encryptCBC : &camellia_decryptCBC;
michael@0 1639 } else {
michael@0 1640 cx->worker = (encrypt) ? &camellia_encryptECB : &camellia_decryptECB;
michael@0 1641 }
michael@0 1642
michael@0 1643 /* Generate expanded key */
michael@0 1644 if (camellia_key_expansion(cx, key, keysize) != SECSuccess)
michael@0 1645 goto cleanup;
michael@0 1646
michael@0 1647 return SECSuccess;
michael@0 1648 cleanup:
michael@0 1649 return SECFailure;
michael@0 1650 }
michael@0 1651
michael@0 1652 /*
michael@0 1653 * Camellia_CreateContext
michael@0 1654 * create a new context for Camellia operations
michael@0 1655 */
michael@0 1656
michael@0 1657
michael@0 1658 CamelliaContext *
michael@0 1659 Camellia_CreateContext(const unsigned char *key, const unsigned char *iv,
michael@0 1660 int mode, int encrypt,
michael@0 1661 unsigned int keysize)
michael@0 1662 {
michael@0 1663 CamelliaContext *cx;
michael@0 1664
michael@0 1665 if (key == NULL ||
michael@0 1666 (keysize != 16 && keysize != 24 && keysize != 32)) {
michael@0 1667 PORT_SetError(SEC_ERROR_INVALID_ARGS);
michael@0 1668 return NULL;
michael@0 1669 }
michael@0 1670 if (mode != NSS_CAMELLIA && mode != NSS_CAMELLIA_CBC) {
michael@0 1671 PORT_SetError(SEC_ERROR_INVALID_ARGS);
michael@0 1672 return NULL;
michael@0 1673 }
michael@0 1674 if (mode == NSS_CAMELLIA_CBC && iv == NULL) {
michael@0 1675 PORT_SetError(SEC_ERROR_INVALID_ARGS);
michael@0 1676 return NULL;
michael@0 1677 }
michael@0 1678 cx = PORT_ZNew(CamelliaContext);
michael@0 1679 if (!cx) {
michael@0 1680 PORT_SetError(SEC_ERROR_NO_MEMORY);
michael@0 1681 return NULL;
michael@0 1682 }
michael@0 1683
michael@0 1684 /* copy in the iv, if neccessary */
michael@0 1685 if (mode == NSS_CAMELLIA_CBC) {
michael@0 1686 memcpy(cx->iv, iv, CAMELLIA_BLOCK_SIZE);
michael@0 1687 cx->worker = (encrypt) ? &camellia_encryptCBC : &camellia_decryptCBC;
michael@0 1688 } else {
michael@0 1689 cx->worker = (encrypt) ? &camellia_encryptECB : &camellia_decryptECB;
michael@0 1690 }
michael@0 1691 /* copy keysize */
michael@0 1692 cx->keysize = keysize;
michael@0 1693
michael@0 1694 /* Generate expanded key */
michael@0 1695 if (camellia_key_expansion(cx, key, keysize) != SECSuccess)
michael@0 1696 goto cleanup;
michael@0 1697
michael@0 1698 return cx;
michael@0 1699 cleanup:
michael@0 1700 PORT_ZFree(cx, sizeof *cx);
michael@0 1701 return NULL;
michael@0 1702 }
michael@0 1703
michael@0 1704 /*
michael@0 1705 * Camellia_DestroyContext
michael@0 1706 *
michael@0 1707 * Zero an Camellia cipher context. If freeit is true, also free the pointer
michael@0 1708 * to the context.
michael@0 1709 */
michael@0 1710 void
michael@0 1711 Camellia_DestroyContext(CamelliaContext *cx, PRBool freeit)
michael@0 1712 {
michael@0 1713 if (cx)
michael@0 1714 memset(cx, 0, sizeof *cx);
michael@0 1715 if (freeit)
michael@0 1716 PORT_Free(cx);
michael@0 1717 }
michael@0 1718
michael@0 1719 /*
michael@0 1720 * Camellia_Encrypt
michael@0 1721 *
michael@0 1722 * Encrypt an arbitrary-length buffer. The output buffer must already be
michael@0 1723 * allocated to at least inputLen.
michael@0 1724 */
michael@0 1725 SECStatus
michael@0 1726 Camellia_Encrypt(CamelliaContext *cx, unsigned char *output,
michael@0 1727 unsigned int *outputLen, unsigned int maxOutputLen,
michael@0 1728 const unsigned char *input, unsigned int inputLen)
michael@0 1729 {
michael@0 1730
michael@0 1731 /* Check args */
michael@0 1732 if (cx == NULL || output == NULL || input == NULL ||
michael@0 1733 outputLen == NULL) {
michael@0 1734 PORT_SetError(SEC_ERROR_INVALID_ARGS);
michael@0 1735 return SECFailure;
michael@0 1736 }
michael@0 1737
michael@0 1738 if (inputLen % CAMELLIA_BLOCK_SIZE != 0) {
michael@0 1739 PORT_SetError(SEC_ERROR_INPUT_LEN);
michael@0 1740 return SECFailure;
michael@0 1741 }
michael@0 1742 if (maxOutputLen < inputLen) {
michael@0 1743 PORT_SetError(SEC_ERROR_OUTPUT_LEN);
michael@0 1744 return SECFailure;
michael@0 1745 }
michael@0 1746 *outputLen = inputLen;
michael@0 1747
michael@0 1748 return (*cx->worker)(cx, output, outputLen, maxOutputLen,
michael@0 1749 input, inputLen);
michael@0 1750 }
michael@0 1751
michael@0 1752 /*
michael@0 1753 * Camellia_Decrypt
michael@0 1754 *
michael@0 1755 * Decrypt and arbitrary-length buffer. The output buffer must already be
michael@0 1756 * allocated to at least inputLen.
michael@0 1757 */
michael@0 1758 SECStatus
michael@0 1759 Camellia_Decrypt(CamelliaContext *cx, unsigned char *output,
michael@0 1760 unsigned int *outputLen, unsigned int maxOutputLen,
michael@0 1761 const unsigned char *input, unsigned int inputLen)
michael@0 1762 {
michael@0 1763
michael@0 1764 /* Check args */
michael@0 1765 if (cx == NULL || output == NULL || input == NULL
michael@0 1766 || outputLen == NULL) {
michael@0 1767 PORT_SetError(SEC_ERROR_INVALID_ARGS);
michael@0 1768 return SECFailure;
michael@0 1769 }
michael@0 1770 if (inputLen % CAMELLIA_BLOCK_SIZE != 0) {
michael@0 1771 PORT_SetError(SEC_ERROR_INPUT_LEN);
michael@0 1772 return SECFailure;
michael@0 1773 }
michael@0 1774 if (maxOutputLen < inputLen) {
michael@0 1775 PORT_SetError(SEC_ERROR_OUTPUT_LEN);
michael@0 1776 return SECFailure;
michael@0 1777 }
michael@0 1778 *outputLen = inputLen;
michael@0 1779
michael@0 1780 return (*cx->worker)(cx, output, outputLen, maxOutputLen,
michael@0 1781 input, inputLen);
michael@0 1782 }

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