Line data Source code
1 : /* camellia.h ver 1.2.0
2 : *
3 : * Copyright (C) 2006,2007
4 : * NTT (Nippon Telegraph and Telephone Corporation).
5 : *
6 : * This library is free software; you can redistribute it and/or
7 : * modify it under the terms of the GNU Lesser General Public
8 : * License as published by the Free Software Foundation; either
9 : * version 2.1 of the License, or (at your option) any later version.
10 : *
11 : * This library is distributed in the hope that it will be useful,
12 : * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 : * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 : * Lesser General Public License for more details.
15 : *
16 : * You should have received a copy of the GNU Lesser General Public
17 : * License along with this program; if not, see <http://www.gnu.org/licenses/>.
18 : */
19 :
20 : /*
21 : * Algorithm Specification
22 : * http://info.isl.ntt.co.jp/crypt/eng/camellia/specifications.html
23 : */
24 :
25 : #include <config.h>
26 : #include <string.h>
27 : #include <stdlib.h>
28 :
29 : #include "types.h"
30 : #include "bufhelp.h"
31 : #include "camellia.h"
32 :
33 : typedef byte u8;
34 :
35 : /* key constants */
36 :
37 : #define CAMELLIA_SIGMA1L (0xA09E667FL)
38 : #define CAMELLIA_SIGMA1R (0x3BCC908BL)
39 : #define CAMELLIA_SIGMA2L (0xB67AE858L)
40 : #define CAMELLIA_SIGMA2R (0x4CAA73B2L)
41 : #define CAMELLIA_SIGMA3L (0xC6EF372FL)
42 : #define CAMELLIA_SIGMA3R (0xE94F82BEL)
43 : #define CAMELLIA_SIGMA4L (0x54FF53A5L)
44 : #define CAMELLIA_SIGMA4R (0xF1D36F1CL)
45 : #define CAMELLIA_SIGMA5L (0x10E527FAL)
46 : #define CAMELLIA_SIGMA5R (0xDE682D1DL)
47 : #define CAMELLIA_SIGMA6L (0xB05688C2L)
48 : #define CAMELLIA_SIGMA6R (0xB3E6C1FDL)
49 :
50 : /*
51 : * macros
52 : */
53 :
54 :
55 : #if defined(_MSC_VER)
56 :
57 : # define SWAP(x) (_lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00)
58 : # define GETU32(p) SWAP(*((u32 *)(p)))
59 : # define PUTU32(ct, st) {*((u32 *)(ct)) = SWAP((st));}
60 :
61 : #else /* not MS-VC */
62 :
63 : # define GETU32(pt) buf_get_be32(pt)
64 : # define PUTU32(ct, st) buf_put_be32(ct, st)
65 :
66 : #endif
67 :
68 : #define CamelliaSubkeyL(INDEX) (subkey[(INDEX)*2])
69 : #define CamelliaSubkeyR(INDEX) (subkey[(INDEX)*2 + 1])
70 :
71 : /* rotation right shift 1byte */
72 : #define CAMELLIA_RR8(x) (((x) >> 8) + ((x) << 24))
73 : /* rotation left shift 1bit */
74 : #define CAMELLIA_RL1(x) (((x) << 1) + ((x) >> 31))
75 : /* rotation left shift 1byte */
76 : #define CAMELLIA_RL8(x) (((x) << 8) + ((x) >> 24))
77 :
78 : #define CAMELLIA_ROLDQ(ll, lr, rl, rr, w0, w1, bits) \
79 : do { \
80 : w0 = ll; \
81 : ll = (ll << bits) + (lr >> (32 - bits)); \
82 : lr = (lr << bits) + (rl >> (32 - bits)); \
83 : rl = (rl << bits) + (rr >> (32 - bits)); \
84 : rr = (rr << bits) + (w0 >> (32 - bits)); \
85 : } while(0)
86 :
87 : #define CAMELLIA_ROLDQo32(ll, lr, rl, rr, w0, w1, bits) \
88 : do { \
89 : w0 = ll; \
90 : w1 = lr; \
91 : ll = (lr << (bits - 32)) + (rl >> (64 - bits)); \
92 : lr = (rl << (bits - 32)) + (rr >> (64 - bits)); \
93 : rl = (rr << (bits - 32)) + (w0 >> (64 - bits)); \
94 : rr = (w0 << (bits - 32)) + (w1 >> (64 - bits)); \
95 : } while(0)
96 :
97 : #define CAMELLIA_SP1110(INDEX) (camellia_sp1110[(INDEX)])
98 : #define CAMELLIA_SP0222(INDEX) (camellia_sp0222[(INDEX)])
99 : #define CAMELLIA_SP3033(INDEX) (camellia_sp3033[(INDEX)])
100 : #define CAMELLIA_SP4404(INDEX) (camellia_sp4404[(INDEX)])
101 :
102 : #define CAMELLIA_F(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \
103 : do { \
104 : il = xl ^ kl; \
105 : ir = xr ^ kr; \
106 : t0 = il >> 16; \
107 : t1 = ir >> 16; \
108 : yl = CAMELLIA_SP1110(ir & 0xff) \
109 : ^ CAMELLIA_SP0222((t1 >> 8) & 0xff) \
110 : ^ CAMELLIA_SP3033(t1 & 0xff) \
111 : ^ CAMELLIA_SP4404((ir >> 8) & 0xff); \
112 : yr = CAMELLIA_SP1110((t0 >> 8) & 0xff) \
113 : ^ CAMELLIA_SP0222(t0 & 0xff) \
114 : ^ CAMELLIA_SP3033((il >> 8) & 0xff) \
115 : ^ CAMELLIA_SP4404(il & 0xff); \
116 : yl ^= yr; \
117 : yr = CAMELLIA_RR8(yr); \
118 : yr ^= yl; \
119 : } while(0)
120 :
121 :
122 : /*
123 : * for speed up
124 : *
125 : */
126 : #define CAMELLIA_FLS(ll, lr, rl, rr, kll, klr, krl, krr, t0, t1, t2, t3) \
127 : do { \
128 : t0 = kll; \
129 : t0 &= ll; \
130 : lr ^= CAMELLIA_RL1(t0); \
131 : t1 = klr; \
132 : t1 |= lr; \
133 : ll ^= t1; \
134 : \
135 : t2 = krr; \
136 : t2 |= rr; \
137 : rl ^= t2; \
138 : t3 = krl; \
139 : t3 &= rl; \
140 : rr ^= CAMELLIA_RL1(t3); \
141 : } while(0)
142 :
143 : #define CAMELLIA_ROUNDSM(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \
144 : do { \
145 : yl ^= kl; \
146 : yr ^= kr; \
147 : ir = CAMELLIA_SP1110(xr & 0xff) \
148 : ^ CAMELLIA_SP0222((xr >> 24) & 0xff) \
149 : ^ CAMELLIA_SP3033((xr >> 16) & 0xff) \
150 : ^ CAMELLIA_SP4404((xr >> 8) & 0xff); \
151 : il = CAMELLIA_SP1110((xl >> 24) & 0xff) \
152 : ^ CAMELLIA_SP0222((xl >> 16) & 0xff) \
153 : ^ CAMELLIA_SP3033((xl >> 8) & 0xff) \
154 : ^ CAMELLIA_SP4404(xl & 0xff); \
155 : ir ^= il; \
156 : il = CAMELLIA_RR8(il); \
157 : il ^= ir; \
158 : yl ^= ir; \
159 : yr ^= il; \
160 : } while(0)
161 :
162 :
163 : static const u32 camellia_sp1110[256] = {
164 : 0x70707000,0x82828200,0x2c2c2c00,0xececec00,
165 : 0xb3b3b300,0x27272700,0xc0c0c000,0xe5e5e500,
166 : 0xe4e4e400,0x85858500,0x57575700,0x35353500,
167 : 0xeaeaea00,0x0c0c0c00,0xaeaeae00,0x41414100,
168 : 0x23232300,0xefefef00,0x6b6b6b00,0x93939300,
169 : 0x45454500,0x19191900,0xa5a5a500,0x21212100,
170 : 0xededed00,0x0e0e0e00,0x4f4f4f00,0x4e4e4e00,
171 : 0x1d1d1d00,0x65656500,0x92929200,0xbdbdbd00,
172 : 0x86868600,0xb8b8b800,0xafafaf00,0x8f8f8f00,
173 : 0x7c7c7c00,0xebebeb00,0x1f1f1f00,0xcecece00,
174 : 0x3e3e3e00,0x30303000,0xdcdcdc00,0x5f5f5f00,
175 : 0x5e5e5e00,0xc5c5c500,0x0b0b0b00,0x1a1a1a00,
176 : 0xa6a6a600,0xe1e1e100,0x39393900,0xcacaca00,
177 : 0xd5d5d500,0x47474700,0x5d5d5d00,0x3d3d3d00,
178 : 0xd9d9d900,0x01010100,0x5a5a5a00,0xd6d6d600,
179 : 0x51515100,0x56565600,0x6c6c6c00,0x4d4d4d00,
180 : 0x8b8b8b00,0x0d0d0d00,0x9a9a9a00,0x66666600,
181 : 0xfbfbfb00,0xcccccc00,0xb0b0b000,0x2d2d2d00,
182 : 0x74747400,0x12121200,0x2b2b2b00,0x20202000,
183 : 0xf0f0f000,0xb1b1b100,0x84848400,0x99999900,
184 : 0xdfdfdf00,0x4c4c4c00,0xcbcbcb00,0xc2c2c200,
185 : 0x34343400,0x7e7e7e00,0x76767600,0x05050500,
186 : 0x6d6d6d00,0xb7b7b700,0xa9a9a900,0x31313100,
187 : 0xd1d1d100,0x17171700,0x04040400,0xd7d7d700,
188 : 0x14141400,0x58585800,0x3a3a3a00,0x61616100,
189 : 0xdedede00,0x1b1b1b00,0x11111100,0x1c1c1c00,
190 : 0x32323200,0x0f0f0f00,0x9c9c9c00,0x16161600,
191 : 0x53535300,0x18181800,0xf2f2f200,0x22222200,
192 : 0xfefefe00,0x44444400,0xcfcfcf00,0xb2b2b200,
193 : 0xc3c3c300,0xb5b5b500,0x7a7a7a00,0x91919100,
194 : 0x24242400,0x08080800,0xe8e8e800,0xa8a8a800,
195 : 0x60606000,0xfcfcfc00,0x69696900,0x50505000,
196 : 0xaaaaaa00,0xd0d0d000,0xa0a0a000,0x7d7d7d00,
197 : 0xa1a1a100,0x89898900,0x62626200,0x97979700,
198 : 0x54545400,0x5b5b5b00,0x1e1e1e00,0x95959500,
199 : 0xe0e0e000,0xffffff00,0x64646400,0xd2d2d200,
200 : 0x10101000,0xc4c4c400,0x00000000,0x48484800,
201 : 0xa3a3a300,0xf7f7f700,0x75757500,0xdbdbdb00,
202 : 0x8a8a8a00,0x03030300,0xe6e6e600,0xdadada00,
203 : 0x09090900,0x3f3f3f00,0xdddddd00,0x94949400,
204 : 0x87878700,0x5c5c5c00,0x83838300,0x02020200,
205 : 0xcdcdcd00,0x4a4a4a00,0x90909000,0x33333300,
206 : 0x73737300,0x67676700,0xf6f6f600,0xf3f3f300,
207 : 0x9d9d9d00,0x7f7f7f00,0xbfbfbf00,0xe2e2e200,
208 : 0x52525200,0x9b9b9b00,0xd8d8d800,0x26262600,
209 : 0xc8c8c800,0x37373700,0xc6c6c600,0x3b3b3b00,
210 : 0x81818100,0x96969600,0x6f6f6f00,0x4b4b4b00,
211 : 0x13131300,0xbebebe00,0x63636300,0x2e2e2e00,
212 : 0xe9e9e900,0x79797900,0xa7a7a700,0x8c8c8c00,
213 : 0x9f9f9f00,0x6e6e6e00,0xbcbcbc00,0x8e8e8e00,
214 : 0x29292900,0xf5f5f500,0xf9f9f900,0xb6b6b600,
215 : 0x2f2f2f00,0xfdfdfd00,0xb4b4b400,0x59595900,
216 : 0x78787800,0x98989800,0x06060600,0x6a6a6a00,
217 : 0xe7e7e700,0x46464600,0x71717100,0xbababa00,
218 : 0xd4d4d400,0x25252500,0xababab00,0x42424200,
219 : 0x88888800,0xa2a2a200,0x8d8d8d00,0xfafafa00,
220 : 0x72727200,0x07070700,0xb9b9b900,0x55555500,
221 : 0xf8f8f800,0xeeeeee00,0xacacac00,0x0a0a0a00,
222 : 0x36363600,0x49494900,0x2a2a2a00,0x68686800,
223 : 0x3c3c3c00,0x38383800,0xf1f1f100,0xa4a4a400,
224 : 0x40404000,0x28282800,0xd3d3d300,0x7b7b7b00,
225 : 0xbbbbbb00,0xc9c9c900,0x43434300,0xc1c1c100,
226 : 0x15151500,0xe3e3e300,0xadadad00,0xf4f4f400,
227 : 0x77777700,0xc7c7c700,0x80808000,0x9e9e9e00,
228 : };
229 :
230 : static const u32 camellia_sp0222[256] = {
231 : 0x00e0e0e0,0x00050505,0x00585858,0x00d9d9d9,
232 : 0x00676767,0x004e4e4e,0x00818181,0x00cbcbcb,
233 : 0x00c9c9c9,0x000b0b0b,0x00aeaeae,0x006a6a6a,
234 : 0x00d5d5d5,0x00181818,0x005d5d5d,0x00828282,
235 : 0x00464646,0x00dfdfdf,0x00d6d6d6,0x00272727,
236 : 0x008a8a8a,0x00323232,0x004b4b4b,0x00424242,
237 : 0x00dbdbdb,0x001c1c1c,0x009e9e9e,0x009c9c9c,
238 : 0x003a3a3a,0x00cacaca,0x00252525,0x007b7b7b,
239 : 0x000d0d0d,0x00717171,0x005f5f5f,0x001f1f1f,
240 : 0x00f8f8f8,0x00d7d7d7,0x003e3e3e,0x009d9d9d,
241 : 0x007c7c7c,0x00606060,0x00b9b9b9,0x00bebebe,
242 : 0x00bcbcbc,0x008b8b8b,0x00161616,0x00343434,
243 : 0x004d4d4d,0x00c3c3c3,0x00727272,0x00959595,
244 : 0x00ababab,0x008e8e8e,0x00bababa,0x007a7a7a,
245 : 0x00b3b3b3,0x00020202,0x00b4b4b4,0x00adadad,
246 : 0x00a2a2a2,0x00acacac,0x00d8d8d8,0x009a9a9a,
247 : 0x00171717,0x001a1a1a,0x00353535,0x00cccccc,
248 : 0x00f7f7f7,0x00999999,0x00616161,0x005a5a5a,
249 : 0x00e8e8e8,0x00242424,0x00565656,0x00404040,
250 : 0x00e1e1e1,0x00636363,0x00090909,0x00333333,
251 : 0x00bfbfbf,0x00989898,0x00979797,0x00858585,
252 : 0x00686868,0x00fcfcfc,0x00ececec,0x000a0a0a,
253 : 0x00dadada,0x006f6f6f,0x00535353,0x00626262,
254 : 0x00a3a3a3,0x002e2e2e,0x00080808,0x00afafaf,
255 : 0x00282828,0x00b0b0b0,0x00747474,0x00c2c2c2,
256 : 0x00bdbdbd,0x00363636,0x00222222,0x00383838,
257 : 0x00646464,0x001e1e1e,0x00393939,0x002c2c2c,
258 : 0x00a6a6a6,0x00303030,0x00e5e5e5,0x00444444,
259 : 0x00fdfdfd,0x00888888,0x009f9f9f,0x00656565,
260 : 0x00878787,0x006b6b6b,0x00f4f4f4,0x00232323,
261 : 0x00484848,0x00101010,0x00d1d1d1,0x00515151,
262 : 0x00c0c0c0,0x00f9f9f9,0x00d2d2d2,0x00a0a0a0,
263 : 0x00555555,0x00a1a1a1,0x00414141,0x00fafafa,
264 : 0x00434343,0x00131313,0x00c4c4c4,0x002f2f2f,
265 : 0x00a8a8a8,0x00b6b6b6,0x003c3c3c,0x002b2b2b,
266 : 0x00c1c1c1,0x00ffffff,0x00c8c8c8,0x00a5a5a5,
267 : 0x00202020,0x00898989,0x00000000,0x00909090,
268 : 0x00474747,0x00efefef,0x00eaeaea,0x00b7b7b7,
269 : 0x00151515,0x00060606,0x00cdcdcd,0x00b5b5b5,
270 : 0x00121212,0x007e7e7e,0x00bbbbbb,0x00292929,
271 : 0x000f0f0f,0x00b8b8b8,0x00070707,0x00040404,
272 : 0x009b9b9b,0x00949494,0x00212121,0x00666666,
273 : 0x00e6e6e6,0x00cecece,0x00ededed,0x00e7e7e7,
274 : 0x003b3b3b,0x00fefefe,0x007f7f7f,0x00c5c5c5,
275 : 0x00a4a4a4,0x00373737,0x00b1b1b1,0x004c4c4c,
276 : 0x00919191,0x006e6e6e,0x008d8d8d,0x00767676,
277 : 0x00030303,0x002d2d2d,0x00dedede,0x00969696,
278 : 0x00262626,0x007d7d7d,0x00c6c6c6,0x005c5c5c,
279 : 0x00d3d3d3,0x00f2f2f2,0x004f4f4f,0x00191919,
280 : 0x003f3f3f,0x00dcdcdc,0x00797979,0x001d1d1d,
281 : 0x00525252,0x00ebebeb,0x00f3f3f3,0x006d6d6d,
282 : 0x005e5e5e,0x00fbfbfb,0x00696969,0x00b2b2b2,
283 : 0x00f0f0f0,0x00313131,0x000c0c0c,0x00d4d4d4,
284 : 0x00cfcfcf,0x008c8c8c,0x00e2e2e2,0x00757575,
285 : 0x00a9a9a9,0x004a4a4a,0x00575757,0x00848484,
286 : 0x00111111,0x00454545,0x001b1b1b,0x00f5f5f5,
287 : 0x00e4e4e4,0x000e0e0e,0x00737373,0x00aaaaaa,
288 : 0x00f1f1f1,0x00dddddd,0x00595959,0x00141414,
289 : 0x006c6c6c,0x00929292,0x00545454,0x00d0d0d0,
290 : 0x00787878,0x00707070,0x00e3e3e3,0x00494949,
291 : 0x00808080,0x00505050,0x00a7a7a7,0x00f6f6f6,
292 : 0x00777777,0x00939393,0x00868686,0x00838383,
293 : 0x002a2a2a,0x00c7c7c7,0x005b5b5b,0x00e9e9e9,
294 : 0x00eeeeee,0x008f8f8f,0x00010101,0x003d3d3d,
295 : };
296 :
297 : static const u32 camellia_sp3033[256] = {
298 : 0x38003838,0x41004141,0x16001616,0x76007676,
299 : 0xd900d9d9,0x93009393,0x60006060,0xf200f2f2,
300 : 0x72007272,0xc200c2c2,0xab00abab,0x9a009a9a,
301 : 0x75007575,0x06000606,0x57005757,0xa000a0a0,
302 : 0x91009191,0xf700f7f7,0xb500b5b5,0xc900c9c9,
303 : 0xa200a2a2,0x8c008c8c,0xd200d2d2,0x90009090,
304 : 0xf600f6f6,0x07000707,0xa700a7a7,0x27002727,
305 : 0x8e008e8e,0xb200b2b2,0x49004949,0xde00dede,
306 : 0x43004343,0x5c005c5c,0xd700d7d7,0xc700c7c7,
307 : 0x3e003e3e,0xf500f5f5,0x8f008f8f,0x67006767,
308 : 0x1f001f1f,0x18001818,0x6e006e6e,0xaf00afaf,
309 : 0x2f002f2f,0xe200e2e2,0x85008585,0x0d000d0d,
310 : 0x53005353,0xf000f0f0,0x9c009c9c,0x65006565,
311 : 0xea00eaea,0xa300a3a3,0xae00aeae,0x9e009e9e,
312 : 0xec00ecec,0x80008080,0x2d002d2d,0x6b006b6b,
313 : 0xa800a8a8,0x2b002b2b,0x36003636,0xa600a6a6,
314 : 0xc500c5c5,0x86008686,0x4d004d4d,0x33003333,
315 : 0xfd00fdfd,0x66006666,0x58005858,0x96009696,
316 : 0x3a003a3a,0x09000909,0x95009595,0x10001010,
317 : 0x78007878,0xd800d8d8,0x42004242,0xcc00cccc,
318 : 0xef00efef,0x26002626,0xe500e5e5,0x61006161,
319 : 0x1a001a1a,0x3f003f3f,0x3b003b3b,0x82008282,
320 : 0xb600b6b6,0xdb00dbdb,0xd400d4d4,0x98009898,
321 : 0xe800e8e8,0x8b008b8b,0x02000202,0xeb00ebeb,
322 : 0x0a000a0a,0x2c002c2c,0x1d001d1d,0xb000b0b0,
323 : 0x6f006f6f,0x8d008d8d,0x88008888,0x0e000e0e,
324 : 0x19001919,0x87008787,0x4e004e4e,0x0b000b0b,
325 : 0xa900a9a9,0x0c000c0c,0x79007979,0x11001111,
326 : 0x7f007f7f,0x22002222,0xe700e7e7,0x59005959,
327 : 0xe100e1e1,0xda00dada,0x3d003d3d,0xc800c8c8,
328 : 0x12001212,0x04000404,0x74007474,0x54005454,
329 : 0x30003030,0x7e007e7e,0xb400b4b4,0x28002828,
330 : 0x55005555,0x68006868,0x50005050,0xbe00bebe,
331 : 0xd000d0d0,0xc400c4c4,0x31003131,0xcb00cbcb,
332 : 0x2a002a2a,0xad00adad,0x0f000f0f,0xca00caca,
333 : 0x70007070,0xff00ffff,0x32003232,0x69006969,
334 : 0x08000808,0x62006262,0x00000000,0x24002424,
335 : 0xd100d1d1,0xfb00fbfb,0xba00baba,0xed00eded,
336 : 0x45004545,0x81008181,0x73007373,0x6d006d6d,
337 : 0x84008484,0x9f009f9f,0xee00eeee,0x4a004a4a,
338 : 0xc300c3c3,0x2e002e2e,0xc100c1c1,0x01000101,
339 : 0xe600e6e6,0x25002525,0x48004848,0x99009999,
340 : 0xb900b9b9,0xb300b3b3,0x7b007b7b,0xf900f9f9,
341 : 0xce00cece,0xbf00bfbf,0xdf00dfdf,0x71007171,
342 : 0x29002929,0xcd00cdcd,0x6c006c6c,0x13001313,
343 : 0x64006464,0x9b009b9b,0x63006363,0x9d009d9d,
344 : 0xc000c0c0,0x4b004b4b,0xb700b7b7,0xa500a5a5,
345 : 0x89008989,0x5f005f5f,0xb100b1b1,0x17001717,
346 : 0xf400f4f4,0xbc00bcbc,0xd300d3d3,0x46004646,
347 : 0xcf00cfcf,0x37003737,0x5e005e5e,0x47004747,
348 : 0x94009494,0xfa00fafa,0xfc00fcfc,0x5b005b5b,
349 : 0x97009797,0xfe00fefe,0x5a005a5a,0xac00acac,
350 : 0x3c003c3c,0x4c004c4c,0x03000303,0x35003535,
351 : 0xf300f3f3,0x23002323,0xb800b8b8,0x5d005d5d,
352 : 0x6a006a6a,0x92009292,0xd500d5d5,0x21002121,
353 : 0x44004444,0x51005151,0xc600c6c6,0x7d007d7d,
354 : 0x39003939,0x83008383,0xdc00dcdc,0xaa00aaaa,
355 : 0x7c007c7c,0x77007777,0x56005656,0x05000505,
356 : 0x1b001b1b,0xa400a4a4,0x15001515,0x34003434,
357 : 0x1e001e1e,0x1c001c1c,0xf800f8f8,0x52005252,
358 : 0x20002020,0x14001414,0xe900e9e9,0xbd00bdbd,
359 : 0xdd00dddd,0xe400e4e4,0xa100a1a1,0xe000e0e0,
360 : 0x8a008a8a,0xf100f1f1,0xd600d6d6,0x7a007a7a,
361 : 0xbb00bbbb,0xe300e3e3,0x40004040,0x4f004f4f,
362 : };
363 :
364 : static const u32 camellia_sp4404[256] = {
365 : 0x70700070,0x2c2c002c,0xb3b300b3,0xc0c000c0,
366 : 0xe4e400e4,0x57570057,0xeaea00ea,0xaeae00ae,
367 : 0x23230023,0x6b6b006b,0x45450045,0xa5a500a5,
368 : 0xeded00ed,0x4f4f004f,0x1d1d001d,0x92920092,
369 : 0x86860086,0xafaf00af,0x7c7c007c,0x1f1f001f,
370 : 0x3e3e003e,0xdcdc00dc,0x5e5e005e,0x0b0b000b,
371 : 0xa6a600a6,0x39390039,0xd5d500d5,0x5d5d005d,
372 : 0xd9d900d9,0x5a5a005a,0x51510051,0x6c6c006c,
373 : 0x8b8b008b,0x9a9a009a,0xfbfb00fb,0xb0b000b0,
374 : 0x74740074,0x2b2b002b,0xf0f000f0,0x84840084,
375 : 0xdfdf00df,0xcbcb00cb,0x34340034,0x76760076,
376 : 0x6d6d006d,0xa9a900a9,0xd1d100d1,0x04040004,
377 : 0x14140014,0x3a3a003a,0xdede00de,0x11110011,
378 : 0x32320032,0x9c9c009c,0x53530053,0xf2f200f2,
379 : 0xfefe00fe,0xcfcf00cf,0xc3c300c3,0x7a7a007a,
380 : 0x24240024,0xe8e800e8,0x60600060,0x69690069,
381 : 0xaaaa00aa,0xa0a000a0,0xa1a100a1,0x62620062,
382 : 0x54540054,0x1e1e001e,0xe0e000e0,0x64640064,
383 : 0x10100010,0x00000000,0xa3a300a3,0x75750075,
384 : 0x8a8a008a,0xe6e600e6,0x09090009,0xdddd00dd,
385 : 0x87870087,0x83830083,0xcdcd00cd,0x90900090,
386 : 0x73730073,0xf6f600f6,0x9d9d009d,0xbfbf00bf,
387 : 0x52520052,0xd8d800d8,0xc8c800c8,0xc6c600c6,
388 : 0x81810081,0x6f6f006f,0x13130013,0x63630063,
389 : 0xe9e900e9,0xa7a700a7,0x9f9f009f,0xbcbc00bc,
390 : 0x29290029,0xf9f900f9,0x2f2f002f,0xb4b400b4,
391 : 0x78780078,0x06060006,0xe7e700e7,0x71710071,
392 : 0xd4d400d4,0xabab00ab,0x88880088,0x8d8d008d,
393 : 0x72720072,0xb9b900b9,0xf8f800f8,0xacac00ac,
394 : 0x36360036,0x2a2a002a,0x3c3c003c,0xf1f100f1,
395 : 0x40400040,0xd3d300d3,0xbbbb00bb,0x43430043,
396 : 0x15150015,0xadad00ad,0x77770077,0x80800080,
397 : 0x82820082,0xecec00ec,0x27270027,0xe5e500e5,
398 : 0x85850085,0x35350035,0x0c0c000c,0x41410041,
399 : 0xefef00ef,0x93930093,0x19190019,0x21210021,
400 : 0x0e0e000e,0x4e4e004e,0x65650065,0xbdbd00bd,
401 : 0xb8b800b8,0x8f8f008f,0xebeb00eb,0xcece00ce,
402 : 0x30300030,0x5f5f005f,0xc5c500c5,0x1a1a001a,
403 : 0xe1e100e1,0xcaca00ca,0x47470047,0x3d3d003d,
404 : 0x01010001,0xd6d600d6,0x56560056,0x4d4d004d,
405 : 0x0d0d000d,0x66660066,0xcccc00cc,0x2d2d002d,
406 : 0x12120012,0x20200020,0xb1b100b1,0x99990099,
407 : 0x4c4c004c,0xc2c200c2,0x7e7e007e,0x05050005,
408 : 0xb7b700b7,0x31310031,0x17170017,0xd7d700d7,
409 : 0x58580058,0x61610061,0x1b1b001b,0x1c1c001c,
410 : 0x0f0f000f,0x16160016,0x18180018,0x22220022,
411 : 0x44440044,0xb2b200b2,0xb5b500b5,0x91910091,
412 : 0x08080008,0xa8a800a8,0xfcfc00fc,0x50500050,
413 : 0xd0d000d0,0x7d7d007d,0x89890089,0x97970097,
414 : 0x5b5b005b,0x95950095,0xffff00ff,0xd2d200d2,
415 : 0xc4c400c4,0x48480048,0xf7f700f7,0xdbdb00db,
416 : 0x03030003,0xdada00da,0x3f3f003f,0x94940094,
417 : 0x5c5c005c,0x02020002,0x4a4a004a,0x33330033,
418 : 0x67670067,0xf3f300f3,0x7f7f007f,0xe2e200e2,
419 : 0x9b9b009b,0x26260026,0x37370037,0x3b3b003b,
420 : 0x96960096,0x4b4b004b,0xbebe00be,0x2e2e002e,
421 : 0x79790079,0x8c8c008c,0x6e6e006e,0x8e8e008e,
422 : 0xf5f500f5,0xb6b600b6,0xfdfd00fd,0x59590059,
423 : 0x98980098,0x6a6a006a,0x46460046,0xbaba00ba,
424 : 0x25250025,0x42420042,0xa2a200a2,0xfafa00fa,
425 : 0x07070007,0x55550055,0xeeee00ee,0x0a0a000a,
426 : 0x49490049,0x68680068,0x38380038,0xa4a400a4,
427 : 0x28280028,0x7b7b007b,0xc9c900c9,0xc1c100c1,
428 : 0xe3e300e3,0xf4f400f4,0xc7c700c7,0x9e9e009e,
429 : };
430 :
431 :
432 : /**
433 : * Stuff related to the Camellia key schedule
434 : */
435 : #define subl(x) subL[(x)]
436 : #define subr(x) subR[(x)]
437 :
438 0 : void camellia_setup128(const unsigned char *key, u32 *subkey)
439 : {
440 : u32 kll, klr, krl, krr;
441 : u32 il, ir, t0, t1, w0, w1;
442 : u32 kw4l, kw4r, dw, tl, tr;
443 : u32 subL[26];
444 : u32 subR[26];
445 :
446 : /**
447 : * k == kll || klr || krl || krr (|| is concatination)
448 : */
449 0 : kll = GETU32(key );
450 0 : klr = GETU32(key + 4);
451 0 : krl = GETU32(key + 8);
452 0 : krr = GETU32(key + 12);
453 : /**
454 : * generate KL dependent subkeys
455 : */
456 0 : subl(0) = kll; subr(0) = klr;
457 0 : subl(1) = krl; subr(1) = krr;
458 0 : CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
459 0 : subl(4) = kll; subr(4) = klr;
460 0 : subl(5) = krl; subr(5) = krr;
461 0 : CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30);
462 0 : subl(10) = kll; subr(10) = klr;
463 0 : subl(11) = krl; subr(11) = krr;
464 0 : CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
465 0 : subl(13) = krl; subr(13) = krr;
466 0 : CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
467 0 : subl(16) = kll; subr(16) = klr;
468 0 : subl(17) = krl; subr(17) = krr;
469 0 : CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
470 0 : subl(18) = kll; subr(18) = klr;
471 0 : subl(19) = krl; subr(19) = krr;
472 0 : CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
473 0 : subl(22) = kll; subr(22) = klr;
474 0 : subl(23) = krl; subr(23) = krr;
475 :
476 : /* generate KA */
477 0 : kll = subl(0); klr = subr(0);
478 0 : krl = subl(1); krr = subr(1);
479 0 : CAMELLIA_F(kll, klr,
480 : CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R,
481 : w0, w1, il, ir, t0, t1);
482 0 : krl ^= w0; krr ^= w1;
483 0 : CAMELLIA_F(krl, krr,
484 : CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R,
485 : kll, klr, il, ir, t0, t1);
486 0 : CAMELLIA_F(kll, klr,
487 : CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R,
488 : krl, krr, il, ir, t0, t1);
489 0 : krl ^= w0; krr ^= w1;
490 0 : CAMELLIA_F(krl, krr,
491 : CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R,
492 : w0, w1, il, ir, t0, t1);
493 0 : kll ^= w0; klr ^= w1;
494 :
495 : /* generate KA dependent subkeys */
496 0 : subl(2) = kll; subr(2) = klr;
497 0 : subl(3) = krl; subr(3) = krr;
498 0 : CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
499 0 : subl(6) = kll; subr(6) = klr;
500 0 : subl(7) = krl; subr(7) = krr;
501 0 : CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
502 0 : subl(8) = kll; subr(8) = klr;
503 0 : subl(9) = krl; subr(9) = krr;
504 0 : CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
505 0 : subl(12) = kll; subr(12) = klr;
506 0 : CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
507 0 : subl(14) = kll; subr(14) = klr;
508 0 : subl(15) = krl; subr(15) = krr;
509 0 : CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34);
510 0 : subl(20) = kll; subr(20) = klr;
511 0 : subl(21) = krl; subr(21) = krr;
512 0 : CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
513 0 : subl(24) = kll; subr(24) = klr;
514 0 : subl(25) = krl; subr(25) = krr;
515 :
516 :
517 : /* absorb kw2 to other subkeys */
518 0 : subl(3) ^= subl(1); subr(3) ^= subr(1);
519 0 : subl(5) ^= subl(1); subr(5) ^= subr(1);
520 0 : subl(7) ^= subl(1); subr(7) ^= subr(1);
521 0 : subl(1) ^= subr(1) & ~subr(9);
522 0 : dw = subl(1) & subl(9), subr(1) ^= CAMELLIA_RL1(dw);
523 0 : subl(11) ^= subl(1); subr(11) ^= subr(1);
524 0 : subl(13) ^= subl(1); subr(13) ^= subr(1);
525 0 : subl(15) ^= subl(1); subr(15) ^= subr(1);
526 0 : subl(1) ^= subr(1) & ~subr(17);
527 0 : dw = subl(1) & subl(17), subr(1) ^= CAMELLIA_RL1(dw);
528 0 : subl(19) ^= subl(1); subr(19) ^= subr(1);
529 0 : subl(21) ^= subl(1); subr(21) ^= subr(1);
530 0 : subl(23) ^= subl(1); subr(23) ^= subr(1);
531 0 : subl(24) ^= subl(1); subr(24) ^= subr(1);
532 :
533 : /* absorb kw4 to other subkeys */
534 0 : kw4l = subl(25); kw4r = subr(25);
535 0 : subl(22) ^= kw4l; subr(22) ^= kw4r;
536 0 : subl(20) ^= kw4l; subr(20) ^= kw4r;
537 0 : subl(18) ^= kw4l; subr(18) ^= kw4r;
538 0 : kw4l ^= kw4r & ~subr(16);
539 0 : dw = kw4l & subl(16), kw4r ^= CAMELLIA_RL1(dw);
540 0 : subl(14) ^= kw4l; subr(14) ^= kw4r;
541 0 : subl(12) ^= kw4l; subr(12) ^= kw4r;
542 0 : subl(10) ^= kw4l; subr(10) ^= kw4r;
543 0 : kw4l ^= kw4r & ~subr(8);
544 0 : dw = kw4l & subl(8), kw4r ^= CAMELLIA_RL1(dw);
545 0 : subl(6) ^= kw4l; subr(6) ^= kw4r;
546 0 : subl(4) ^= kw4l; subr(4) ^= kw4r;
547 0 : subl(2) ^= kw4l; subr(2) ^= kw4r;
548 0 : subl(0) ^= kw4l; subr(0) ^= kw4r;
549 :
550 : /* key XOR is end of F-function */
551 0 : CamelliaSubkeyL(0) = subl(0) ^ subl(2);
552 0 : CamelliaSubkeyR(0) = subr(0) ^ subr(2);
553 0 : CamelliaSubkeyL(2) = subl(3);
554 0 : CamelliaSubkeyR(2) = subr(3);
555 0 : CamelliaSubkeyL(3) = subl(2) ^ subl(4);
556 0 : CamelliaSubkeyR(3) = subr(2) ^ subr(4);
557 0 : CamelliaSubkeyL(4) = subl(3) ^ subl(5);
558 0 : CamelliaSubkeyR(4) = subr(3) ^ subr(5);
559 0 : CamelliaSubkeyL(5) = subl(4) ^ subl(6);
560 0 : CamelliaSubkeyR(5) = subr(4) ^ subr(6);
561 0 : CamelliaSubkeyL(6) = subl(5) ^ subl(7);
562 0 : CamelliaSubkeyR(6) = subr(5) ^ subr(7);
563 0 : tl = subl(10) ^ (subr(10) & ~subr(8));
564 0 : dw = tl & subl(8), tr = subr(10) ^ CAMELLIA_RL1(dw);
565 0 : CamelliaSubkeyL(7) = subl(6) ^ tl;
566 0 : CamelliaSubkeyR(7) = subr(6) ^ tr;
567 0 : CamelliaSubkeyL(8) = subl(8);
568 0 : CamelliaSubkeyR(8) = subr(8);
569 0 : CamelliaSubkeyL(9) = subl(9);
570 0 : CamelliaSubkeyR(9) = subr(9);
571 0 : tl = subl(7) ^ (subr(7) & ~subr(9));
572 0 : dw = tl & subl(9), tr = subr(7) ^ CAMELLIA_RL1(dw);
573 0 : CamelliaSubkeyL(10) = tl ^ subl(11);
574 0 : CamelliaSubkeyR(10) = tr ^ subr(11);
575 0 : CamelliaSubkeyL(11) = subl(10) ^ subl(12);
576 0 : CamelliaSubkeyR(11) = subr(10) ^ subr(12);
577 0 : CamelliaSubkeyL(12) = subl(11) ^ subl(13);
578 0 : CamelliaSubkeyR(12) = subr(11) ^ subr(13);
579 0 : CamelliaSubkeyL(13) = subl(12) ^ subl(14);
580 0 : CamelliaSubkeyR(13) = subr(12) ^ subr(14);
581 0 : CamelliaSubkeyL(14) = subl(13) ^ subl(15);
582 0 : CamelliaSubkeyR(14) = subr(13) ^ subr(15);
583 0 : tl = subl(18) ^ (subr(18) & ~subr(16));
584 0 : dw = tl & subl(16), tr = subr(18) ^ CAMELLIA_RL1(dw);
585 0 : CamelliaSubkeyL(15) = subl(14) ^ tl;
586 0 : CamelliaSubkeyR(15) = subr(14) ^ tr;
587 0 : CamelliaSubkeyL(16) = subl(16);
588 0 : CamelliaSubkeyR(16) = subr(16);
589 0 : CamelliaSubkeyL(17) = subl(17);
590 0 : CamelliaSubkeyR(17) = subr(17);
591 0 : tl = subl(15) ^ (subr(15) & ~subr(17));
592 0 : dw = tl & subl(17), tr = subr(15) ^ CAMELLIA_RL1(dw);
593 0 : CamelliaSubkeyL(18) = tl ^ subl(19);
594 0 : CamelliaSubkeyR(18) = tr ^ subr(19);
595 0 : CamelliaSubkeyL(19) = subl(18) ^ subl(20);
596 0 : CamelliaSubkeyR(19) = subr(18) ^ subr(20);
597 0 : CamelliaSubkeyL(20) = subl(19) ^ subl(21);
598 0 : CamelliaSubkeyR(20) = subr(19) ^ subr(21);
599 0 : CamelliaSubkeyL(21) = subl(20) ^ subl(22);
600 0 : CamelliaSubkeyR(21) = subr(20) ^ subr(22);
601 0 : CamelliaSubkeyL(22) = subl(21) ^ subl(23);
602 0 : CamelliaSubkeyR(22) = subr(21) ^ subr(23);
603 0 : CamelliaSubkeyL(23) = subl(22);
604 0 : CamelliaSubkeyR(23) = subr(22);
605 0 : CamelliaSubkeyL(24) = subl(24) ^ subl(23);
606 0 : CamelliaSubkeyR(24) = subr(24) ^ subr(23);
607 :
608 0 : return;
609 : }
610 :
611 0 : void camellia_setup256(const unsigned char *key, u32 *subkey)
612 : {
613 : u32 kll,klr,krl,krr; /* left half of key */
614 : u32 krll,krlr,krrl,krrr; /* right half of key */
615 : u32 il, ir, t0, t1, w0, w1; /* temporary variables */
616 : u32 kw4l, kw4r, dw, tl, tr;
617 : u32 subL[34];
618 : u32 subR[34];
619 :
620 : /**
621 : * key = (kll || klr || krl || krr || krll || krlr || krrl || krrr)
622 : * (|| is concatination)
623 : */
624 :
625 0 : kll = GETU32(key );
626 0 : klr = GETU32(key + 4);
627 0 : krl = GETU32(key + 8);
628 0 : krr = GETU32(key + 12);
629 0 : krll = GETU32(key + 16);
630 0 : krlr = GETU32(key + 20);
631 0 : krrl = GETU32(key + 24);
632 0 : krrr = GETU32(key + 28);
633 :
634 : /* generate KL dependent subkeys */
635 0 : subl(0) = kll; subr(0) = klr;
636 0 : subl(1) = krl; subr(1) = krr;
637 0 : CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 45);
638 0 : subl(12) = kll; subr(12) = klr;
639 0 : subl(13) = krl; subr(13) = krr;
640 0 : CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
641 0 : subl(16) = kll; subr(16) = klr;
642 0 : subl(17) = krl; subr(17) = krr;
643 0 : CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
644 0 : subl(22) = kll; subr(22) = klr;
645 0 : subl(23) = krl; subr(23) = krr;
646 0 : CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34);
647 0 : subl(30) = kll; subr(30) = klr;
648 0 : subl(31) = krl; subr(31) = krr;
649 :
650 : /* generate KR dependent subkeys */
651 0 : CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15);
652 0 : subl(4) = krll; subr(4) = krlr;
653 0 : subl(5) = krrl; subr(5) = krrr;
654 0 : CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15);
655 0 : subl(8) = krll; subr(8) = krlr;
656 0 : subl(9) = krrl; subr(9) = krrr;
657 0 : CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
658 0 : subl(18) = krll; subr(18) = krlr;
659 0 : subl(19) = krrl; subr(19) = krrr;
660 0 : CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34);
661 0 : subl(26) = krll; subr(26) = krlr;
662 0 : subl(27) = krrl; subr(27) = krrr;
663 0 : CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34);
664 :
665 : /* generate KA */
666 0 : kll = subl(0) ^ krll; klr = subr(0) ^ krlr;
667 0 : krl = subl(1) ^ krrl; krr = subr(1) ^ krrr;
668 0 : CAMELLIA_F(kll, klr,
669 : CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R,
670 : w0, w1, il, ir, t0, t1);
671 0 : krl ^= w0; krr ^= w1;
672 0 : CAMELLIA_F(krl, krr,
673 : CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R,
674 : kll, klr, il, ir, t0, t1);
675 0 : kll ^= krll; klr ^= krlr;
676 0 : CAMELLIA_F(kll, klr,
677 : CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R,
678 : krl, krr, il, ir, t0, t1);
679 0 : krl ^= w0 ^ krrl; krr ^= w1 ^ krrr;
680 0 : CAMELLIA_F(krl, krr,
681 : CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R,
682 : w0, w1, il, ir, t0, t1);
683 0 : kll ^= w0; klr ^= w1;
684 :
685 : /* generate KB */
686 0 : krll ^= kll; krlr ^= klr;
687 0 : krrl ^= krl; krrr ^= krr;
688 0 : CAMELLIA_F(krll, krlr,
689 : CAMELLIA_SIGMA5L, CAMELLIA_SIGMA5R,
690 : w0, w1, il, ir, t0, t1);
691 0 : krrl ^= w0; krrr ^= w1;
692 0 : CAMELLIA_F(krrl, krrr,
693 : CAMELLIA_SIGMA6L, CAMELLIA_SIGMA6R,
694 : w0, w1, il, ir, t0, t1);
695 0 : krll ^= w0; krlr ^= w1;
696 :
697 : /* generate KA dependent subkeys */
698 0 : CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
699 0 : subl(6) = kll; subr(6) = klr;
700 0 : subl(7) = krl; subr(7) = krr;
701 0 : CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30);
702 0 : subl(14) = kll; subr(14) = klr;
703 0 : subl(15) = krl; subr(15) = krr;
704 0 : subl(24) = klr; subr(24) = krl;
705 0 : subl(25) = krr; subr(25) = kll;
706 0 : CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 49);
707 0 : subl(28) = kll; subr(28) = klr;
708 0 : subl(29) = krl; subr(29) = krr;
709 :
710 : /* generate KB dependent subkeys */
711 0 : subl(2) = krll; subr(2) = krlr;
712 0 : subl(3) = krrl; subr(3) = krrr;
713 0 : CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
714 0 : subl(10) = krll; subr(10) = krlr;
715 0 : subl(11) = krrl; subr(11) = krrr;
716 0 : CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
717 0 : subl(20) = krll; subr(20) = krlr;
718 0 : subl(21) = krrl; subr(21) = krrr;
719 0 : CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 51);
720 0 : subl(32) = krll; subr(32) = krlr;
721 0 : subl(33) = krrl; subr(33) = krrr;
722 :
723 : /* absorb kw2 to other subkeys */
724 0 : subl(3) ^= subl(1); subr(3) ^= subr(1);
725 0 : subl(5) ^= subl(1); subr(5) ^= subr(1);
726 0 : subl(7) ^= subl(1); subr(7) ^= subr(1);
727 0 : subl(1) ^= subr(1) & ~subr(9);
728 0 : dw = subl(1) & subl(9), subr(1) ^= CAMELLIA_RL1(dw);
729 0 : subl(11) ^= subl(1); subr(11) ^= subr(1);
730 0 : subl(13) ^= subl(1); subr(13) ^= subr(1);
731 0 : subl(15) ^= subl(1); subr(15) ^= subr(1);
732 0 : subl(1) ^= subr(1) & ~subr(17);
733 0 : dw = subl(1) & subl(17), subr(1) ^= CAMELLIA_RL1(dw);
734 0 : subl(19) ^= subl(1); subr(19) ^= subr(1);
735 0 : subl(21) ^= subl(1); subr(21) ^= subr(1);
736 0 : subl(23) ^= subl(1); subr(23) ^= subr(1);
737 0 : subl(1) ^= subr(1) & ~subr(25);
738 0 : dw = subl(1) & subl(25), subr(1) ^= CAMELLIA_RL1(dw);
739 0 : subl(27) ^= subl(1); subr(27) ^= subr(1);
740 0 : subl(29) ^= subl(1); subr(29) ^= subr(1);
741 0 : subl(31) ^= subl(1); subr(31) ^= subr(1);
742 0 : subl(32) ^= subl(1); subr(32) ^= subr(1);
743 :
744 : /* absorb kw4 to other subkeys */
745 0 : kw4l = subl(33); kw4r = subr(33);
746 0 : subl(30) ^= kw4l; subr(30) ^= kw4r;
747 0 : subl(28) ^= kw4l; subr(28) ^= kw4r;
748 0 : subl(26) ^= kw4l; subr(26) ^= kw4r;
749 0 : kw4l ^= kw4r & ~subr(24);
750 0 : dw = kw4l & subl(24), kw4r ^= CAMELLIA_RL1(dw);
751 0 : subl(22) ^= kw4l; subr(22) ^= kw4r;
752 0 : subl(20) ^= kw4l; subr(20) ^= kw4r;
753 0 : subl(18) ^= kw4l; subr(18) ^= kw4r;
754 0 : kw4l ^= kw4r & ~subr(16);
755 0 : dw = kw4l & subl(16), kw4r ^= CAMELLIA_RL1(dw);
756 0 : subl(14) ^= kw4l; subr(14) ^= kw4r;
757 0 : subl(12) ^= kw4l; subr(12) ^= kw4r;
758 0 : subl(10) ^= kw4l; subr(10) ^= kw4r;
759 0 : kw4l ^= kw4r & ~subr(8);
760 0 : dw = kw4l & subl(8), kw4r ^= CAMELLIA_RL1(dw);
761 0 : subl(6) ^= kw4l; subr(6) ^= kw4r;
762 0 : subl(4) ^= kw4l; subr(4) ^= kw4r;
763 0 : subl(2) ^= kw4l; subr(2) ^= kw4r;
764 0 : subl(0) ^= kw4l; subr(0) ^= kw4r;
765 :
766 : /* key XOR is end of F-function */
767 0 : CamelliaSubkeyL(0) = subl(0) ^ subl(2);
768 0 : CamelliaSubkeyR(0) = subr(0) ^ subr(2);
769 0 : CamelliaSubkeyL(2) = subl(3);
770 0 : CamelliaSubkeyR(2) = subr(3);
771 0 : CamelliaSubkeyL(3) = subl(2) ^ subl(4);
772 0 : CamelliaSubkeyR(3) = subr(2) ^ subr(4);
773 0 : CamelliaSubkeyL(4) = subl(3) ^ subl(5);
774 0 : CamelliaSubkeyR(4) = subr(3) ^ subr(5);
775 0 : CamelliaSubkeyL(5) = subl(4) ^ subl(6);
776 0 : CamelliaSubkeyR(5) = subr(4) ^ subr(6);
777 0 : CamelliaSubkeyL(6) = subl(5) ^ subl(7);
778 0 : CamelliaSubkeyR(6) = subr(5) ^ subr(7);
779 0 : tl = subl(10) ^ (subr(10) & ~subr(8));
780 0 : dw = tl & subl(8), tr = subr(10) ^ CAMELLIA_RL1(dw);
781 0 : CamelliaSubkeyL(7) = subl(6) ^ tl;
782 0 : CamelliaSubkeyR(7) = subr(6) ^ tr;
783 0 : CamelliaSubkeyL(8) = subl(8);
784 0 : CamelliaSubkeyR(8) = subr(8);
785 0 : CamelliaSubkeyL(9) = subl(9);
786 0 : CamelliaSubkeyR(9) = subr(9);
787 0 : tl = subl(7) ^ (subr(7) & ~subr(9));
788 0 : dw = tl & subl(9), tr = subr(7) ^ CAMELLIA_RL1(dw);
789 0 : CamelliaSubkeyL(10) = tl ^ subl(11);
790 0 : CamelliaSubkeyR(10) = tr ^ subr(11);
791 0 : CamelliaSubkeyL(11) = subl(10) ^ subl(12);
792 0 : CamelliaSubkeyR(11) = subr(10) ^ subr(12);
793 0 : CamelliaSubkeyL(12) = subl(11) ^ subl(13);
794 0 : CamelliaSubkeyR(12) = subr(11) ^ subr(13);
795 0 : CamelliaSubkeyL(13) = subl(12) ^ subl(14);
796 0 : CamelliaSubkeyR(13) = subr(12) ^ subr(14);
797 0 : CamelliaSubkeyL(14) = subl(13) ^ subl(15);
798 0 : CamelliaSubkeyR(14) = subr(13) ^ subr(15);
799 0 : tl = subl(18) ^ (subr(18) & ~subr(16));
800 0 : dw = tl & subl(16), tr = subr(18) ^ CAMELLIA_RL1(dw);
801 0 : CamelliaSubkeyL(15) = subl(14) ^ tl;
802 0 : CamelliaSubkeyR(15) = subr(14) ^ tr;
803 0 : CamelliaSubkeyL(16) = subl(16);
804 0 : CamelliaSubkeyR(16) = subr(16);
805 0 : CamelliaSubkeyL(17) = subl(17);
806 0 : CamelliaSubkeyR(17) = subr(17);
807 0 : tl = subl(15) ^ (subr(15) & ~subr(17));
808 0 : dw = tl & subl(17), tr = subr(15) ^ CAMELLIA_RL1(dw);
809 0 : CamelliaSubkeyL(18) = tl ^ subl(19);
810 0 : CamelliaSubkeyR(18) = tr ^ subr(19);
811 0 : CamelliaSubkeyL(19) = subl(18) ^ subl(20);
812 0 : CamelliaSubkeyR(19) = subr(18) ^ subr(20);
813 0 : CamelliaSubkeyL(20) = subl(19) ^ subl(21);
814 0 : CamelliaSubkeyR(20) = subr(19) ^ subr(21);
815 0 : CamelliaSubkeyL(21) = subl(20) ^ subl(22);
816 0 : CamelliaSubkeyR(21) = subr(20) ^ subr(22);
817 0 : CamelliaSubkeyL(22) = subl(21) ^ subl(23);
818 0 : CamelliaSubkeyR(22) = subr(21) ^ subr(23);
819 0 : tl = subl(26) ^ (subr(26) & ~subr(24));
820 0 : dw = tl & subl(24), tr = subr(26) ^ CAMELLIA_RL1(dw);
821 0 : CamelliaSubkeyL(23) = subl(22) ^ tl;
822 0 : CamelliaSubkeyR(23) = subr(22) ^ tr;
823 0 : CamelliaSubkeyL(24) = subl(24);
824 0 : CamelliaSubkeyR(24) = subr(24);
825 0 : CamelliaSubkeyL(25) = subl(25);
826 0 : CamelliaSubkeyR(25) = subr(25);
827 0 : tl = subl(23) ^ (subr(23) & ~subr(25));
828 0 : dw = tl & subl(25), tr = subr(23) ^ CAMELLIA_RL1(dw);
829 0 : CamelliaSubkeyL(26) = tl ^ subl(27);
830 0 : CamelliaSubkeyR(26) = tr ^ subr(27);
831 0 : CamelliaSubkeyL(27) = subl(26) ^ subl(28);
832 0 : CamelliaSubkeyR(27) = subr(26) ^ subr(28);
833 0 : CamelliaSubkeyL(28) = subl(27) ^ subl(29);
834 0 : CamelliaSubkeyR(28) = subr(27) ^ subr(29);
835 0 : CamelliaSubkeyL(29) = subl(28) ^ subl(30);
836 0 : CamelliaSubkeyR(29) = subr(28) ^ subr(30);
837 0 : CamelliaSubkeyL(30) = subl(29) ^ subl(31);
838 0 : CamelliaSubkeyR(30) = subr(29) ^ subr(31);
839 0 : CamelliaSubkeyL(31) = subl(30);
840 0 : CamelliaSubkeyR(31) = subr(30);
841 0 : CamelliaSubkeyL(32) = subl(32) ^ subl(31);
842 0 : CamelliaSubkeyR(32) = subr(32) ^ subr(31);
843 :
844 0 : return;
845 : }
846 :
847 0 : void camellia_setup192(const unsigned char *key, u32 *subkey)
848 : {
849 : unsigned char kk[32];
850 : u32 krll, krlr, krrl,krrr;
851 :
852 0 : memcpy(kk, key, 24);
853 0 : memcpy((unsigned char *)&krll, key+16,4);
854 0 : memcpy((unsigned char *)&krlr, key+20,4);
855 0 : krrl = ~krll;
856 0 : krrr = ~krlr;
857 0 : memcpy(kk+24, (unsigned char *)&krrl, 4);
858 0 : memcpy(kk+28, (unsigned char *)&krrr, 4);
859 0 : camellia_setup256(kk, subkey);
860 0 : return;
861 : }
862 :
863 :
864 : #ifndef USE_ARM_ASM
865 : /**
866 : * Stuff related to camellia encryption/decryption
867 : *
868 : * "io" must be 4byte aligned and big-endian data.
869 : */
870 0 : void camellia_encrypt128(const u32 *subkey, u32 *blocks)
871 : {
872 : u32 il, ir, t0, t1;
873 : u32 io[4];
874 :
875 0 : io[0] = blocks[0];
876 0 : io[1] = blocks[1];
877 0 : io[2] = blocks[2];
878 0 : io[3] = blocks[3];
879 :
880 : /* pre whitening but absorb kw2*/
881 0 : io[0] ^= CamelliaSubkeyL(0);
882 0 : io[1] ^= CamelliaSubkeyR(0);
883 : /* main iteration */
884 :
885 0 : CAMELLIA_ROUNDSM(io[0],io[1],
886 : CamelliaSubkeyL(2),CamelliaSubkeyR(2),
887 : io[2],io[3],il,ir,t0,t1);
888 0 : CAMELLIA_ROUNDSM(io[2],io[3],
889 : CamelliaSubkeyL(3),CamelliaSubkeyR(3),
890 : io[0],io[1],il,ir,t0,t1);
891 0 : CAMELLIA_ROUNDSM(io[0],io[1],
892 : CamelliaSubkeyL(4),CamelliaSubkeyR(4),
893 : io[2],io[3],il,ir,t0,t1);
894 0 : CAMELLIA_ROUNDSM(io[2],io[3],
895 : CamelliaSubkeyL(5),CamelliaSubkeyR(5),
896 : io[0],io[1],il,ir,t0,t1);
897 0 : CAMELLIA_ROUNDSM(io[0],io[1],
898 : CamelliaSubkeyL(6),CamelliaSubkeyR(6),
899 : io[2],io[3],il,ir,t0,t1);
900 0 : CAMELLIA_ROUNDSM(io[2],io[3],
901 : CamelliaSubkeyL(7),CamelliaSubkeyR(7),
902 : io[0],io[1],il,ir,t0,t1);
903 :
904 0 : CAMELLIA_FLS(io[0],io[1],io[2],io[3],
905 : CamelliaSubkeyL(8),CamelliaSubkeyR(8),
906 : CamelliaSubkeyL(9),CamelliaSubkeyR(9),
907 : t0,t1,il,ir);
908 :
909 0 : CAMELLIA_ROUNDSM(io[0],io[1],
910 : CamelliaSubkeyL(10),CamelliaSubkeyR(10),
911 : io[2],io[3],il,ir,t0,t1);
912 0 : CAMELLIA_ROUNDSM(io[2],io[3],
913 : CamelliaSubkeyL(11),CamelliaSubkeyR(11),
914 : io[0],io[1],il,ir,t0,t1);
915 0 : CAMELLIA_ROUNDSM(io[0],io[1],
916 : CamelliaSubkeyL(12),CamelliaSubkeyR(12),
917 : io[2],io[3],il,ir,t0,t1);
918 0 : CAMELLIA_ROUNDSM(io[2],io[3],
919 : CamelliaSubkeyL(13),CamelliaSubkeyR(13),
920 : io[0],io[1],il,ir,t0,t1);
921 0 : CAMELLIA_ROUNDSM(io[0],io[1],
922 : CamelliaSubkeyL(14),CamelliaSubkeyR(14),
923 : io[2],io[3],il,ir,t0,t1);
924 0 : CAMELLIA_ROUNDSM(io[2],io[3],
925 : CamelliaSubkeyL(15),CamelliaSubkeyR(15),
926 : io[0],io[1],il,ir,t0,t1);
927 :
928 0 : CAMELLIA_FLS(io[0],io[1],io[2],io[3],
929 : CamelliaSubkeyL(16),CamelliaSubkeyR(16),
930 : CamelliaSubkeyL(17),CamelliaSubkeyR(17),
931 : t0,t1,il,ir);
932 :
933 0 : CAMELLIA_ROUNDSM(io[0],io[1],
934 : CamelliaSubkeyL(18),CamelliaSubkeyR(18),
935 : io[2],io[3],il,ir,t0,t1);
936 0 : CAMELLIA_ROUNDSM(io[2],io[3],
937 : CamelliaSubkeyL(19),CamelliaSubkeyR(19),
938 : io[0],io[1],il,ir,t0,t1);
939 0 : CAMELLIA_ROUNDSM(io[0],io[1],
940 : CamelliaSubkeyL(20),CamelliaSubkeyR(20),
941 : io[2],io[3],il,ir,t0,t1);
942 0 : CAMELLIA_ROUNDSM(io[2],io[3],
943 : CamelliaSubkeyL(21),CamelliaSubkeyR(21),
944 : io[0],io[1],il,ir,t0,t1);
945 0 : CAMELLIA_ROUNDSM(io[0],io[1],
946 : CamelliaSubkeyL(22),CamelliaSubkeyR(22),
947 : io[2],io[3],il,ir,t0,t1);
948 0 : CAMELLIA_ROUNDSM(io[2],io[3],
949 : CamelliaSubkeyL(23),CamelliaSubkeyR(23),
950 : io[0],io[1],il,ir,t0,t1);
951 :
952 : /* post whitening but kw4 */
953 0 : io[2] ^= CamelliaSubkeyL(24);
954 0 : io[3] ^= CamelliaSubkeyR(24);
955 :
956 0 : t0 = io[0];
957 0 : t1 = io[1];
958 0 : io[0] = io[2];
959 0 : io[1] = io[3];
960 0 : io[2] = t0;
961 0 : io[3] = t1;
962 :
963 0 : blocks[0] = io[0];
964 0 : blocks[1] = io[1];
965 0 : blocks[2] = io[2];
966 0 : blocks[3] = io[3];
967 :
968 0 : return;
969 : }
970 :
971 0 : void camellia_decrypt128(const u32 *subkey, u32 *blocks)
972 : {
973 : u32 il,ir,t0,t1; /* temporary valiables */
974 : u32 io[4];
975 :
976 0 : io[0] = blocks[0];
977 0 : io[1] = blocks[1];
978 0 : io[2] = blocks[2];
979 0 : io[3] = blocks[3];
980 :
981 : /* pre whitening but absorb kw2*/
982 0 : io[0] ^= CamelliaSubkeyL(24);
983 0 : io[1] ^= CamelliaSubkeyR(24);
984 :
985 : /* main iteration */
986 0 : CAMELLIA_ROUNDSM(io[0],io[1],
987 : CamelliaSubkeyL(23),CamelliaSubkeyR(23),
988 : io[2],io[3],il,ir,t0,t1);
989 0 : CAMELLIA_ROUNDSM(io[2],io[3],
990 : CamelliaSubkeyL(22),CamelliaSubkeyR(22),
991 : io[0],io[1],il,ir,t0,t1);
992 0 : CAMELLIA_ROUNDSM(io[0],io[1],
993 : CamelliaSubkeyL(21),CamelliaSubkeyR(21),
994 : io[2],io[3],il,ir,t0,t1);
995 0 : CAMELLIA_ROUNDSM(io[2],io[3],
996 : CamelliaSubkeyL(20),CamelliaSubkeyR(20),
997 : io[0],io[1],il,ir,t0,t1);
998 0 : CAMELLIA_ROUNDSM(io[0],io[1],
999 : CamelliaSubkeyL(19),CamelliaSubkeyR(19),
1000 : io[2],io[3],il,ir,t0,t1);
1001 0 : CAMELLIA_ROUNDSM(io[2],io[3],
1002 : CamelliaSubkeyL(18),CamelliaSubkeyR(18),
1003 : io[0],io[1],il,ir,t0,t1);
1004 :
1005 0 : CAMELLIA_FLS(io[0],io[1],io[2],io[3],
1006 : CamelliaSubkeyL(17),CamelliaSubkeyR(17),
1007 : CamelliaSubkeyL(16),CamelliaSubkeyR(16),
1008 : t0,t1,il,ir);
1009 :
1010 0 : CAMELLIA_ROUNDSM(io[0],io[1],
1011 : CamelliaSubkeyL(15),CamelliaSubkeyR(15),
1012 : io[2],io[3],il,ir,t0,t1);
1013 0 : CAMELLIA_ROUNDSM(io[2],io[3],
1014 : CamelliaSubkeyL(14),CamelliaSubkeyR(14),
1015 : io[0],io[1],il,ir,t0,t1);
1016 0 : CAMELLIA_ROUNDSM(io[0],io[1],
1017 : CamelliaSubkeyL(13),CamelliaSubkeyR(13),
1018 : io[2],io[3],il,ir,t0,t1);
1019 0 : CAMELLIA_ROUNDSM(io[2],io[3],
1020 : CamelliaSubkeyL(12),CamelliaSubkeyR(12),
1021 : io[0],io[1],il,ir,t0,t1);
1022 0 : CAMELLIA_ROUNDSM(io[0],io[1],
1023 : CamelliaSubkeyL(11),CamelliaSubkeyR(11),
1024 : io[2],io[3],il,ir,t0,t1);
1025 0 : CAMELLIA_ROUNDSM(io[2],io[3],
1026 : CamelliaSubkeyL(10),CamelliaSubkeyR(10),
1027 : io[0],io[1],il,ir,t0,t1);
1028 :
1029 0 : CAMELLIA_FLS(io[0],io[1],io[2],io[3],
1030 : CamelliaSubkeyL(9),CamelliaSubkeyR(9),
1031 : CamelliaSubkeyL(8),CamelliaSubkeyR(8),
1032 : t0,t1,il,ir);
1033 :
1034 0 : CAMELLIA_ROUNDSM(io[0],io[1],
1035 : CamelliaSubkeyL(7),CamelliaSubkeyR(7),
1036 : io[2],io[3],il,ir,t0,t1);
1037 0 : CAMELLIA_ROUNDSM(io[2],io[3],
1038 : CamelliaSubkeyL(6),CamelliaSubkeyR(6),
1039 : io[0],io[1],il,ir,t0,t1);
1040 0 : CAMELLIA_ROUNDSM(io[0],io[1],
1041 : CamelliaSubkeyL(5),CamelliaSubkeyR(5),
1042 : io[2],io[3],il,ir,t0,t1);
1043 0 : CAMELLIA_ROUNDSM(io[2],io[3],
1044 : CamelliaSubkeyL(4),CamelliaSubkeyR(4),
1045 : io[0],io[1],il,ir,t0,t1);
1046 0 : CAMELLIA_ROUNDSM(io[0],io[1],
1047 : CamelliaSubkeyL(3),CamelliaSubkeyR(3),
1048 : io[2],io[3],il,ir,t0,t1);
1049 0 : CAMELLIA_ROUNDSM(io[2],io[3],
1050 : CamelliaSubkeyL(2),CamelliaSubkeyR(2),
1051 : io[0],io[1],il,ir,t0,t1);
1052 :
1053 : /* post whitening but kw4 */
1054 0 : io[2] ^= CamelliaSubkeyL(0);
1055 0 : io[3] ^= CamelliaSubkeyR(0);
1056 :
1057 0 : t0 = io[0];
1058 0 : t1 = io[1];
1059 0 : io[0] = io[2];
1060 0 : io[1] = io[3];
1061 0 : io[2] = t0;
1062 0 : io[3] = t1;
1063 :
1064 0 : blocks[0] = io[0];
1065 0 : blocks[1] = io[1];
1066 0 : blocks[2] = io[2];
1067 0 : blocks[3] = io[3];
1068 :
1069 0 : return;
1070 : }
1071 :
1072 : /**
1073 : * stuff for 192 and 256bit encryption/decryption
1074 : */
1075 0 : void camellia_encrypt256(const u32 *subkey, u32 *blocks)
1076 : {
1077 : u32 il,ir,t0,t1; /* temporary valiables */
1078 : u32 io[4];
1079 :
1080 0 : io[0] = blocks[0];
1081 0 : io[1] = blocks[1];
1082 0 : io[2] = blocks[2];
1083 0 : io[3] = blocks[3];
1084 :
1085 : /* pre whitening but absorb kw2*/
1086 0 : io[0] ^= CamelliaSubkeyL(0);
1087 0 : io[1] ^= CamelliaSubkeyR(0);
1088 :
1089 : /* main iteration */
1090 0 : CAMELLIA_ROUNDSM(io[0],io[1],
1091 : CamelliaSubkeyL(2),CamelliaSubkeyR(2),
1092 : io[2],io[3],il,ir,t0,t1);
1093 0 : CAMELLIA_ROUNDSM(io[2],io[3],
1094 : CamelliaSubkeyL(3),CamelliaSubkeyR(3),
1095 : io[0],io[1],il,ir,t0,t1);
1096 0 : CAMELLIA_ROUNDSM(io[0],io[1],
1097 : CamelliaSubkeyL(4),CamelliaSubkeyR(4),
1098 : io[2],io[3],il,ir,t0,t1);
1099 0 : CAMELLIA_ROUNDSM(io[2],io[3],
1100 : CamelliaSubkeyL(5),CamelliaSubkeyR(5),
1101 : io[0],io[1],il,ir,t0,t1);
1102 0 : CAMELLIA_ROUNDSM(io[0],io[1],
1103 : CamelliaSubkeyL(6),CamelliaSubkeyR(6),
1104 : io[2],io[3],il,ir,t0,t1);
1105 0 : CAMELLIA_ROUNDSM(io[2],io[3],
1106 : CamelliaSubkeyL(7),CamelliaSubkeyR(7),
1107 : io[0],io[1],il,ir,t0,t1);
1108 :
1109 0 : CAMELLIA_FLS(io[0],io[1],io[2],io[3],
1110 : CamelliaSubkeyL(8),CamelliaSubkeyR(8),
1111 : CamelliaSubkeyL(9),CamelliaSubkeyR(9),
1112 : t0,t1,il,ir);
1113 :
1114 0 : CAMELLIA_ROUNDSM(io[0],io[1],
1115 : CamelliaSubkeyL(10),CamelliaSubkeyR(10),
1116 : io[2],io[3],il,ir,t0,t1);
1117 0 : CAMELLIA_ROUNDSM(io[2],io[3],
1118 : CamelliaSubkeyL(11),CamelliaSubkeyR(11),
1119 : io[0],io[1],il,ir,t0,t1);
1120 0 : CAMELLIA_ROUNDSM(io[0],io[1],
1121 : CamelliaSubkeyL(12),CamelliaSubkeyR(12),
1122 : io[2],io[3],il,ir,t0,t1);
1123 0 : CAMELLIA_ROUNDSM(io[2],io[3],
1124 : CamelliaSubkeyL(13),CamelliaSubkeyR(13),
1125 : io[0],io[1],il,ir,t0,t1);
1126 0 : CAMELLIA_ROUNDSM(io[0],io[1],
1127 : CamelliaSubkeyL(14),CamelliaSubkeyR(14),
1128 : io[2],io[3],il,ir,t0,t1);
1129 0 : CAMELLIA_ROUNDSM(io[2],io[3],
1130 : CamelliaSubkeyL(15),CamelliaSubkeyR(15),
1131 : io[0],io[1],il,ir,t0,t1);
1132 :
1133 0 : CAMELLIA_FLS(io[0],io[1],io[2],io[3],
1134 : CamelliaSubkeyL(16),CamelliaSubkeyR(16),
1135 : CamelliaSubkeyL(17),CamelliaSubkeyR(17),
1136 : t0,t1,il,ir);
1137 :
1138 0 : CAMELLIA_ROUNDSM(io[0],io[1],
1139 : CamelliaSubkeyL(18),CamelliaSubkeyR(18),
1140 : io[2],io[3],il,ir,t0,t1);
1141 0 : CAMELLIA_ROUNDSM(io[2],io[3],
1142 : CamelliaSubkeyL(19),CamelliaSubkeyR(19),
1143 : io[0],io[1],il,ir,t0,t1);
1144 0 : CAMELLIA_ROUNDSM(io[0],io[1],
1145 : CamelliaSubkeyL(20),CamelliaSubkeyR(20),
1146 : io[2],io[3],il,ir,t0,t1);
1147 0 : CAMELLIA_ROUNDSM(io[2],io[3],
1148 : CamelliaSubkeyL(21),CamelliaSubkeyR(21),
1149 : io[0],io[1],il,ir,t0,t1);
1150 0 : CAMELLIA_ROUNDSM(io[0],io[1],
1151 : CamelliaSubkeyL(22),CamelliaSubkeyR(22),
1152 : io[2],io[3],il,ir,t0,t1);
1153 0 : CAMELLIA_ROUNDSM(io[2],io[3],
1154 : CamelliaSubkeyL(23),CamelliaSubkeyR(23),
1155 : io[0],io[1],il,ir,t0,t1);
1156 :
1157 0 : CAMELLIA_FLS(io[0],io[1],io[2],io[3],
1158 : CamelliaSubkeyL(24),CamelliaSubkeyR(24),
1159 : CamelliaSubkeyL(25),CamelliaSubkeyR(25),
1160 : t0,t1,il,ir);
1161 :
1162 0 : CAMELLIA_ROUNDSM(io[0],io[1],
1163 : CamelliaSubkeyL(26),CamelliaSubkeyR(26),
1164 : io[2],io[3],il,ir,t0,t1);
1165 0 : CAMELLIA_ROUNDSM(io[2],io[3],
1166 : CamelliaSubkeyL(27),CamelliaSubkeyR(27),
1167 : io[0],io[1],il,ir,t0,t1);
1168 0 : CAMELLIA_ROUNDSM(io[0],io[1],
1169 : CamelliaSubkeyL(28),CamelliaSubkeyR(28),
1170 : io[2],io[3],il,ir,t0,t1);
1171 0 : CAMELLIA_ROUNDSM(io[2],io[3],
1172 : CamelliaSubkeyL(29),CamelliaSubkeyR(29),
1173 : io[0],io[1],il,ir,t0,t1);
1174 0 : CAMELLIA_ROUNDSM(io[0],io[1],
1175 : CamelliaSubkeyL(30),CamelliaSubkeyR(30),
1176 : io[2],io[3],il,ir,t0,t1);
1177 0 : CAMELLIA_ROUNDSM(io[2],io[3],
1178 : CamelliaSubkeyL(31),CamelliaSubkeyR(31),
1179 : io[0],io[1],il,ir,t0,t1);
1180 :
1181 : /* post whitening but kw4 */
1182 0 : io[2] ^= CamelliaSubkeyL(32);
1183 0 : io[3] ^= CamelliaSubkeyR(32);
1184 :
1185 0 : t0 = io[0];
1186 0 : t1 = io[1];
1187 0 : io[0] = io[2];
1188 0 : io[1] = io[3];
1189 0 : io[2] = t0;
1190 0 : io[3] = t1;
1191 :
1192 0 : blocks[0] = io[0];
1193 0 : blocks[1] = io[1];
1194 0 : blocks[2] = io[2];
1195 0 : blocks[3] = io[3];
1196 :
1197 0 : return;
1198 : }
1199 :
1200 0 : void camellia_decrypt256(const u32 *subkey, u32 *blocks)
1201 : {
1202 : u32 il,ir,t0,t1; /* temporary valiables */
1203 : u32 io[4];
1204 :
1205 0 : io[0] = blocks[0];
1206 0 : io[1] = blocks[1];
1207 0 : io[2] = blocks[2];
1208 0 : io[3] = blocks[3];
1209 :
1210 : /* pre whitening but absorb kw2*/
1211 0 : io[0] ^= CamelliaSubkeyL(32);
1212 0 : io[1] ^= CamelliaSubkeyR(32);
1213 :
1214 : /* main iteration */
1215 0 : CAMELLIA_ROUNDSM(io[0],io[1],
1216 : CamelliaSubkeyL(31),CamelliaSubkeyR(31),
1217 : io[2],io[3],il,ir,t0,t1);
1218 0 : CAMELLIA_ROUNDSM(io[2],io[3],
1219 : CamelliaSubkeyL(30),CamelliaSubkeyR(30),
1220 : io[0],io[1],il,ir,t0,t1);
1221 0 : CAMELLIA_ROUNDSM(io[0],io[1],
1222 : CamelliaSubkeyL(29),CamelliaSubkeyR(29),
1223 : io[2],io[3],il,ir,t0,t1);
1224 0 : CAMELLIA_ROUNDSM(io[2],io[3],
1225 : CamelliaSubkeyL(28),CamelliaSubkeyR(28),
1226 : io[0],io[1],il,ir,t0,t1);
1227 0 : CAMELLIA_ROUNDSM(io[0],io[1],
1228 : CamelliaSubkeyL(27),CamelliaSubkeyR(27),
1229 : io[2],io[3],il,ir,t0,t1);
1230 0 : CAMELLIA_ROUNDSM(io[2],io[3],
1231 : CamelliaSubkeyL(26),CamelliaSubkeyR(26),
1232 : io[0],io[1],il,ir,t0,t1);
1233 :
1234 0 : CAMELLIA_FLS(io[0],io[1],io[2],io[3],
1235 : CamelliaSubkeyL(25),CamelliaSubkeyR(25),
1236 : CamelliaSubkeyL(24),CamelliaSubkeyR(24),
1237 : t0,t1,il,ir);
1238 :
1239 0 : CAMELLIA_ROUNDSM(io[0],io[1],
1240 : CamelliaSubkeyL(23),CamelliaSubkeyR(23),
1241 : io[2],io[3],il,ir,t0,t1);
1242 0 : CAMELLIA_ROUNDSM(io[2],io[3],
1243 : CamelliaSubkeyL(22),CamelliaSubkeyR(22),
1244 : io[0],io[1],il,ir,t0,t1);
1245 0 : CAMELLIA_ROUNDSM(io[0],io[1],
1246 : CamelliaSubkeyL(21),CamelliaSubkeyR(21),
1247 : io[2],io[3],il,ir,t0,t1);
1248 0 : CAMELLIA_ROUNDSM(io[2],io[3],
1249 : CamelliaSubkeyL(20),CamelliaSubkeyR(20),
1250 : io[0],io[1],il,ir,t0,t1);
1251 0 : CAMELLIA_ROUNDSM(io[0],io[1],
1252 : CamelliaSubkeyL(19),CamelliaSubkeyR(19),
1253 : io[2],io[3],il,ir,t0,t1);
1254 0 : CAMELLIA_ROUNDSM(io[2],io[3],
1255 : CamelliaSubkeyL(18),CamelliaSubkeyR(18),
1256 : io[0],io[1],il,ir,t0,t1);
1257 :
1258 0 : CAMELLIA_FLS(io[0],io[1],io[2],io[3],
1259 : CamelliaSubkeyL(17),CamelliaSubkeyR(17),
1260 : CamelliaSubkeyL(16),CamelliaSubkeyR(16),
1261 : t0,t1,il,ir);
1262 :
1263 0 : CAMELLIA_ROUNDSM(io[0],io[1],
1264 : CamelliaSubkeyL(15),CamelliaSubkeyR(15),
1265 : io[2],io[3],il,ir,t0,t1);
1266 0 : CAMELLIA_ROUNDSM(io[2],io[3],
1267 : CamelliaSubkeyL(14),CamelliaSubkeyR(14),
1268 : io[0],io[1],il,ir,t0,t1);
1269 0 : CAMELLIA_ROUNDSM(io[0],io[1],
1270 : CamelliaSubkeyL(13),CamelliaSubkeyR(13),
1271 : io[2],io[3],il,ir,t0,t1);
1272 0 : CAMELLIA_ROUNDSM(io[2],io[3],
1273 : CamelliaSubkeyL(12),CamelliaSubkeyR(12),
1274 : io[0],io[1],il,ir,t0,t1);
1275 0 : CAMELLIA_ROUNDSM(io[0],io[1],
1276 : CamelliaSubkeyL(11),CamelliaSubkeyR(11),
1277 : io[2],io[3],il,ir,t0,t1);
1278 0 : CAMELLIA_ROUNDSM(io[2],io[3],
1279 : CamelliaSubkeyL(10),CamelliaSubkeyR(10),
1280 : io[0],io[1],il,ir,t0,t1);
1281 :
1282 0 : CAMELLIA_FLS(io[0],io[1],io[2],io[3],
1283 : CamelliaSubkeyL(9),CamelliaSubkeyR(9),
1284 : CamelliaSubkeyL(8),CamelliaSubkeyR(8),
1285 : t0,t1,il,ir);
1286 :
1287 0 : CAMELLIA_ROUNDSM(io[0],io[1],
1288 : CamelliaSubkeyL(7),CamelliaSubkeyR(7),
1289 : io[2],io[3],il,ir,t0,t1);
1290 0 : CAMELLIA_ROUNDSM(io[2],io[3],
1291 : CamelliaSubkeyL(6),CamelliaSubkeyR(6),
1292 : io[0],io[1],il,ir,t0,t1);
1293 0 : CAMELLIA_ROUNDSM(io[0],io[1],
1294 : CamelliaSubkeyL(5),CamelliaSubkeyR(5),
1295 : io[2],io[3],il,ir,t0,t1);
1296 0 : CAMELLIA_ROUNDSM(io[2],io[3],
1297 : CamelliaSubkeyL(4),CamelliaSubkeyR(4),
1298 : io[0],io[1],il,ir,t0,t1);
1299 0 : CAMELLIA_ROUNDSM(io[0],io[1],
1300 : CamelliaSubkeyL(3),CamelliaSubkeyR(3),
1301 : io[2],io[3],il,ir,t0,t1);
1302 0 : CAMELLIA_ROUNDSM(io[2],io[3],
1303 : CamelliaSubkeyL(2),CamelliaSubkeyR(2),
1304 : io[0],io[1],il,ir,t0,t1);
1305 :
1306 : /* post whitening but kw4 */
1307 0 : io[2] ^= CamelliaSubkeyL(0);
1308 0 : io[3] ^= CamelliaSubkeyR(0);
1309 :
1310 0 : t0 = io[0];
1311 0 : t1 = io[1];
1312 0 : io[0] = io[2];
1313 0 : io[1] = io[3];
1314 0 : io[2] = t0;
1315 0 : io[3] = t1;
1316 :
1317 0 : blocks[0] = io[0];
1318 0 : blocks[1] = io[1];
1319 0 : blocks[2] = io[2];
1320 0 : blocks[3] = io[3];
1321 :
1322 0 : return;
1323 : }
1324 : #endif /*!USE_ARM_ASM*/
1325 :
1326 :
1327 : /***
1328 : *
1329 : * API for compatibility
1330 : */
1331 :
1332 0 : void Camellia_Ekeygen(const int keyBitLength,
1333 : const unsigned char *rawKey,
1334 : KEY_TABLE_TYPE keyTable)
1335 : {
1336 0 : switch(keyBitLength) {
1337 : case 128:
1338 0 : camellia_setup128(rawKey, keyTable);
1339 0 : break;
1340 : case 192:
1341 0 : camellia_setup192(rawKey, keyTable);
1342 0 : break;
1343 : case 256:
1344 0 : camellia_setup256(rawKey, keyTable);
1345 0 : break;
1346 : default:
1347 0 : break;
1348 : }
1349 0 : }
1350 :
1351 :
1352 : #ifndef USE_ARM_ASM
1353 0 : void Camellia_EncryptBlock(const int keyBitLength,
1354 : const unsigned char *plaintext,
1355 : const KEY_TABLE_TYPE keyTable,
1356 : unsigned char *ciphertext)
1357 : {
1358 : u32 tmp[4];
1359 :
1360 0 : tmp[0] = GETU32(plaintext);
1361 0 : tmp[1] = GETU32(plaintext + 4);
1362 0 : tmp[2] = GETU32(plaintext + 8);
1363 0 : tmp[3] = GETU32(plaintext + 12);
1364 :
1365 0 : switch (keyBitLength) {
1366 : case 128:
1367 0 : camellia_encrypt128(keyTable, tmp);
1368 0 : break;
1369 : case 192:
1370 : /* fall through */
1371 : case 256:
1372 0 : camellia_encrypt256(keyTable, tmp);
1373 0 : break;
1374 : default:
1375 0 : break;
1376 : }
1377 :
1378 0 : PUTU32(ciphertext, tmp[0]);
1379 0 : PUTU32(ciphertext + 4, tmp[1]);
1380 0 : PUTU32(ciphertext + 8, tmp[2]);
1381 0 : PUTU32(ciphertext + 12, tmp[3]);
1382 0 : }
1383 :
1384 0 : void Camellia_DecryptBlock(const int keyBitLength,
1385 : const unsigned char *ciphertext,
1386 : const KEY_TABLE_TYPE keyTable,
1387 : unsigned char *plaintext)
1388 : {
1389 : u32 tmp[4];
1390 :
1391 0 : tmp[0] = GETU32(ciphertext);
1392 0 : tmp[1] = GETU32(ciphertext + 4);
1393 0 : tmp[2] = GETU32(ciphertext + 8);
1394 0 : tmp[3] = GETU32(ciphertext + 12);
1395 :
1396 0 : switch (keyBitLength) {
1397 : case 128:
1398 0 : camellia_decrypt128(keyTable, tmp);
1399 0 : break;
1400 : case 192:
1401 : /* fall through */
1402 : case 256:
1403 0 : camellia_decrypt256(keyTable, tmp);
1404 0 : break;
1405 : default:
1406 0 : break;
1407 : }
1408 0 : PUTU32(plaintext, tmp[0]);
1409 0 : PUTU32(plaintext + 4, tmp[1]);
1410 0 : PUTU32(plaintext + 8, tmp[2]);
1411 0 : PUTU32(plaintext + 12, tmp[3]);
1412 0 : }
1413 : #endif /*!USE_ARM_ASM*/
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