/src/wolfssl-sp-math/wolfcrypt/src/camellia.c
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1 | | /* camellia.c ver 1.2.0 |
2 | | * |
3 | | * Copyright (c) 2006,2007 |
4 | | * NTT (Nippon Telegraph and Telephone Corporation) . All rights reserved. |
5 | | * |
6 | | * Redistribution and use in source and binary forms, with or without |
7 | | * modification, are permitted provided that the following conditions |
8 | | * are met: |
9 | | * 1. Redistributions of source code must retain the above copyright |
10 | | * notice, this list of conditions and the following disclaimer as |
11 | | * the first lines of this file unmodified. |
12 | | * 2. Redistributions in binary form must reproduce the above copyright |
13 | | * notice, this list of conditions and the following disclaimer in the |
14 | | * documentation and/or other materials provided with the distribution. |
15 | | * |
16 | | * THIS SOFTWARE IS PROVIDED BY NTT ``AS IS'' AND ANY EXPRESS OR |
17 | | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | | * IN NO EVENT SHALL NTT BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | | */ |
27 | | |
28 | | /* camellia.c |
29 | | * |
30 | | * Copyright (C) 2006-2022 wolfSSL Inc. |
31 | | * |
32 | | * This file is part of wolfSSL. |
33 | | * |
34 | | * wolfSSL is free software; you can redistribute it and/or modify |
35 | | * it under the terms of the GNU General Public License as published by |
36 | | * the Free Software Foundation; either version 2 of the License, or |
37 | | * (at your option) any later version. |
38 | | * |
39 | | * wolfSSL is distributed in the hope that it will be useful, |
40 | | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
41 | | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
42 | | * GNU General Public License for more details. |
43 | | * |
44 | | * You should have received a copy of the GNU General Public License |
45 | | * along with this program; if not, write to the Free Software |
46 | | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA |
47 | | */ |
48 | | |
49 | | |
50 | | /* |
51 | | * Algorithm Specification |
52 | | * http://info.isl.ntt.co.jp/crypt/eng/camellia/specifications.html |
53 | | */ |
54 | | |
55 | | |
56 | | #ifdef HAVE_CONFIG_H |
57 | | #include <config.h> |
58 | | #endif |
59 | | |
60 | | #include <wolfssl/wolfcrypt/settings.h> |
61 | | |
62 | | #ifdef HAVE_CAMELLIA |
63 | | |
64 | | #include <wolfssl/wolfcrypt/camellia.h> |
65 | | #include <wolfssl/wolfcrypt/error-crypt.h> |
66 | | #include <wolfssl/wolfcrypt/logging.h> |
67 | | #ifdef NO_INLINE |
68 | | #include <wolfssl/wolfcrypt/misc.h> |
69 | | #else |
70 | | #define WOLFSSL_MISC_INCLUDED |
71 | | #include <wolfcrypt/src/misc.c> |
72 | | #endif |
73 | | |
74 | | /* u32 must be 32bit word */ |
75 | | typedef unsigned int u32; |
76 | | typedef unsigned char u8; |
77 | | |
78 | | /* key constants */ |
79 | | |
80 | | #define CAMELLIA_SIGMA1L ((u32)0xA09E667FL) |
81 | | #define CAMELLIA_SIGMA1R ((u32)0x3BCC908BL) |
82 | | #define CAMELLIA_SIGMA2L ((u32)0xB67AE858L) |
83 | | #define CAMELLIA_SIGMA2R ((u32)0x4CAA73B2L) |
84 | | #define CAMELLIA_SIGMA3L ((u32)0xC6EF372FL) |
85 | | #define CAMELLIA_SIGMA3R ((u32)0xE94F82BEL) |
86 | | #define CAMELLIA_SIGMA4L ((u32)0x54FF53A5L) |
87 | | #define CAMELLIA_SIGMA4R ((u32)0xF1D36F1CL) |
88 | | #define CAMELLIA_SIGMA5L ((u32)0x10E527FAL) |
89 | | #define CAMELLIA_SIGMA5R ((u32)0xDE682D1DL) |
90 | | #define CAMELLIA_SIGMA6L ((u32)0xB05688C2L) |
91 | | #define CAMELLIA_SIGMA6R ((u32)0xB3E6C1FDL) |
92 | | |
93 | | /* |
94 | | * macros |
95 | | */ |
96 | | |
97 | | |
98 | | #if defined(_MSC_VER) |
99 | | |
100 | | # define SWAP(x) (_lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00) |
101 | | # define GETU32(p) SWAP(*((u32 *)(p))) |
102 | | # define PUTU32(ct, st) {*((u32 *)(ct)) = SWAP((st));} |
103 | | |
104 | | #else /* not MS-VC */ |
105 | | |
106 | | # define GETU32(pt) \ |
107 | 0 | (((u32)(pt)[0] << 24) \ |
108 | 0 | ^ ((u32)(pt)[1] << 16) \ |
109 | 0 | ^ ((u32)(pt)[2] << 8) \ |
110 | 0 | ^ ((u32)(pt)[3])) |
111 | | |
112 | 0 | # define PUTU32(ct, st) { \ |
113 | 0 | (ct)[0] = (u8)((st) >> 24); \ |
114 | 0 | (ct)[1] = (u8)((st) >> 16); \ |
115 | 0 | (ct)[2] = (u8)((st) >> 8); \ |
116 | 0 | (ct)[3] = (u8)(st); } |
117 | | |
118 | | #endif |
119 | | |
120 | 0 | #define CamelliaSubkeyL(INDEX) (subkey[(INDEX)*2]) |
121 | 0 | #define CamelliaSubkeyR(INDEX) (subkey[(INDEX)*2 + 1]) |
122 | | |
123 | | /* rotation right shift 1byte */ |
124 | 0 | #define CAMELLIA_RR8(x) (((x) >> 8) + ((x) << 24)) |
125 | | /* rotation left shift 1bit */ |
126 | 0 | #define CAMELLIA_RL1(x) (((x) << 1) + ((x) >> 31)) |
127 | | /* rotation left shift 1byte */ |
128 | 0 | #define CAMELLIA_RL8(x) (((x) << 8) + ((x) >> 24)) |
129 | | |
130 | | #define CAMELLIA_ROLDQ(ll, lr, rl, rr, w0, w1, bits) \ |
131 | 0 | do { \ |
132 | 0 | (w0) = (ll); \ |
133 | 0 | (ll) = ((ll) << (bits)) + ((lr) >> (32 - (bits))); \ |
134 | 0 | (lr) = ((lr) << (bits)) + ((rl) >> (32 - (bits))); \ |
135 | 0 | (rl) = ((rl) << (bits)) + ((rr) >> (32 - (bits))); \ |
136 | 0 | (rr) = ((rr) << (bits)) + ((w0) >> (32 - (bits))); \ |
137 | 0 | } while(0) |
138 | | |
139 | | #define CAMELLIA_ROLDQo32(ll, lr, rl, rr, w0, w1, bits) \ |
140 | 0 | do { \ |
141 | 0 | (w0) = (ll); \ |
142 | 0 | (w1) = (lr); \ |
143 | 0 | (ll) = ((lr) << ((bits) - 32)) + ((rl) >> (64 - (bits))); \ |
144 | 0 | (lr) = ((rl) << ((bits) - 32)) + ((rr) >> (64 - (bits))); \ |
145 | 0 | (rl) = ((rr) << ((bits) - 32)) + ((w0) >> (64 - (bits))); \ |
146 | 0 | (rr) = ((w0) << ((bits) - 32)) + ((w1) >> (64 - (bits))); \ |
147 | 0 | } while(0) |
148 | | |
149 | 0 | #define CAMELLIA_SP1110(INDEX) (camellia_sp1110[(INDEX)]) |
150 | 0 | #define CAMELLIA_SP0222(INDEX) (camellia_sp0222[(INDEX)]) |
151 | 0 | #define CAMELLIA_SP3033(INDEX) (camellia_sp3033[(INDEX)]) |
152 | 0 | #define CAMELLIA_SP4404(INDEX) (camellia_sp4404[(INDEX)]) |
153 | | |
154 | | #define CAMELLIA_F(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \ |
155 | 0 | do { \ |
156 | 0 | (il) = (xl) ^ (kl); \ |
157 | 0 | (ir) = (xr) ^ (kr); \ |
158 | 0 | (t0) = (il) >> 16; \ |
159 | 0 | (t1) = (ir) >> 16; \ |
160 | 0 | (yl) = CAMELLIA_SP1110((ir) & 0xff) \ |
161 | 0 | ^ CAMELLIA_SP0222(((t1) >> 8) & 0xff) \ |
162 | 0 | ^ CAMELLIA_SP3033((t1) & 0xff) \ |
163 | 0 | ^ CAMELLIA_SP4404(((ir) >> 8) & 0xff); \ |
164 | 0 | (yr) = CAMELLIA_SP1110(((t0) >> 8) & 0xff) \ |
165 | 0 | ^ CAMELLIA_SP0222((t0) & 0xff) \ |
166 | 0 | ^ CAMELLIA_SP3033(((il) >> 8) & 0xff) \ |
167 | 0 | ^ CAMELLIA_SP4404((il) & 0xff); \ |
168 | 0 | (yl) ^= (yr); \ |
169 | 0 | (yr) = CAMELLIA_RR8(yr); \ |
170 | 0 | (yr) ^= (yl); \ |
171 | 0 | } while(0) |
172 | | |
173 | | |
174 | | /* |
175 | | * for speed up |
176 | | * |
177 | | */ |
178 | | #define CAMELLIA_FLS(ll, lr, rl, rr, kll, klr, krl, krr, t0, t1, t2, t3) \ |
179 | 0 | do { \ |
180 | 0 | (t0) = (kll); \ |
181 | 0 | (t0) &= (ll); \ |
182 | 0 | (lr) ^= CAMELLIA_RL1(t0); \ |
183 | 0 | (t1) = (klr); \ |
184 | 0 | (t1) |= (lr); \ |
185 | 0 | (ll) ^= (t1); \ |
186 | 0 | \ |
187 | 0 | (t2) = (krr); \ |
188 | 0 | (t2) |= (rr); \ |
189 | 0 | (rl) ^= (t2); \ |
190 | 0 | (t3) = (krl); \ |
191 | 0 | (t3) &= (rl); \ |
192 | 0 | (rr) ^= CAMELLIA_RL1(t3); \ |
193 | 0 | } while(0) |
194 | | |
195 | | #define CAMELLIA_ROUNDSM(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \ |
196 | 0 | do { \ |
197 | 0 | (ir) = CAMELLIA_SP1110((xr) & 0xff) \ |
198 | 0 | ^ CAMELLIA_SP0222(((xr) >> 24) & 0xff) \ |
199 | 0 | ^ CAMELLIA_SP3033(((xr) >> 16) & 0xff) \ |
200 | 0 | ^ CAMELLIA_SP4404(((xr) >> 8) & 0xff); \ |
201 | 0 | (il) = CAMELLIA_SP1110(((xl) >> 24) & 0xff) \ |
202 | 0 | ^ CAMELLIA_SP0222(((xl) >> 16) & 0xff) \ |
203 | 0 | ^ CAMELLIA_SP3033(((xl) >> 8) & 0xff) \ |
204 | 0 | ^ CAMELLIA_SP4404((xl) & 0xff); \ |
205 | 0 | (il) ^= (kl); \ |
206 | 0 | (ir) ^= (kr); \ |
207 | 0 | (ir) ^= (il); \ |
208 | 0 | (il) = CAMELLIA_RR8(il); \ |
209 | 0 | (il) ^= (ir); \ |
210 | 0 | (yl) ^= (ir); \ |
211 | 0 | (yr) ^= (il); \ |
212 | 0 | } while(0) |
213 | | |
214 | | |
215 | | static const u32 camellia_sp1110[256] = { |
216 | | 0x70707000,0x82828200,0x2c2c2c00,0xececec00, |
217 | | 0xb3b3b300,0x27272700,0xc0c0c000,0xe5e5e500, |
218 | | 0xe4e4e400,0x85858500,0x57575700,0x35353500, |
219 | | 0xeaeaea00,0x0c0c0c00,0xaeaeae00,0x41414100, |
220 | | 0x23232300,0xefefef00,0x6b6b6b00,0x93939300, |
221 | | 0x45454500,0x19191900,0xa5a5a500,0x21212100, |
222 | | 0xededed00,0x0e0e0e00,0x4f4f4f00,0x4e4e4e00, |
223 | | 0x1d1d1d00,0x65656500,0x92929200,0xbdbdbd00, |
224 | | 0x86868600,0xb8b8b800,0xafafaf00,0x8f8f8f00, |
225 | | 0x7c7c7c00,0xebebeb00,0x1f1f1f00,0xcecece00, |
226 | | 0x3e3e3e00,0x30303000,0xdcdcdc00,0x5f5f5f00, |
227 | | 0x5e5e5e00,0xc5c5c500,0x0b0b0b00,0x1a1a1a00, |
228 | | 0xa6a6a600,0xe1e1e100,0x39393900,0xcacaca00, |
229 | | 0xd5d5d500,0x47474700,0x5d5d5d00,0x3d3d3d00, |
230 | | 0xd9d9d900,0x01010100,0x5a5a5a00,0xd6d6d600, |
231 | | 0x51515100,0x56565600,0x6c6c6c00,0x4d4d4d00, |
232 | | 0x8b8b8b00,0x0d0d0d00,0x9a9a9a00,0x66666600, |
233 | | 0xfbfbfb00,0xcccccc00,0xb0b0b000,0x2d2d2d00, |
234 | | 0x74747400,0x12121200,0x2b2b2b00,0x20202000, |
235 | | 0xf0f0f000,0xb1b1b100,0x84848400,0x99999900, |
236 | | 0xdfdfdf00,0x4c4c4c00,0xcbcbcb00,0xc2c2c200, |
237 | | 0x34343400,0x7e7e7e00,0x76767600,0x05050500, |
238 | | 0x6d6d6d00,0xb7b7b700,0xa9a9a900,0x31313100, |
239 | | 0xd1d1d100,0x17171700,0x04040400,0xd7d7d700, |
240 | | 0x14141400,0x58585800,0x3a3a3a00,0x61616100, |
241 | | 0xdedede00,0x1b1b1b00,0x11111100,0x1c1c1c00, |
242 | | 0x32323200,0x0f0f0f00,0x9c9c9c00,0x16161600, |
243 | | 0x53535300,0x18181800,0xf2f2f200,0x22222200, |
244 | | 0xfefefe00,0x44444400,0xcfcfcf00,0xb2b2b200, |
245 | | 0xc3c3c300,0xb5b5b500,0x7a7a7a00,0x91919100, |
246 | | 0x24242400,0x08080800,0xe8e8e800,0xa8a8a800, |
247 | | 0x60606000,0xfcfcfc00,0x69696900,0x50505000, |
248 | | 0xaaaaaa00,0xd0d0d000,0xa0a0a000,0x7d7d7d00, |
249 | | 0xa1a1a100,0x89898900,0x62626200,0x97979700, |
250 | | 0x54545400,0x5b5b5b00,0x1e1e1e00,0x95959500, |
251 | | 0xe0e0e000,0xffffff00,0x64646400,0xd2d2d200, |
252 | | 0x10101000,0xc4c4c400,0x00000000,0x48484800, |
253 | | 0xa3a3a300,0xf7f7f700,0x75757500,0xdbdbdb00, |
254 | | 0x8a8a8a00,0x03030300,0xe6e6e600,0xdadada00, |
255 | | 0x09090900,0x3f3f3f00,0xdddddd00,0x94949400, |
256 | | 0x87878700,0x5c5c5c00,0x83838300,0x02020200, |
257 | | 0xcdcdcd00,0x4a4a4a00,0x90909000,0x33333300, |
258 | | 0x73737300,0x67676700,0xf6f6f600,0xf3f3f300, |
259 | | 0x9d9d9d00,0x7f7f7f00,0xbfbfbf00,0xe2e2e200, |
260 | | 0x52525200,0x9b9b9b00,0xd8d8d800,0x26262600, |
261 | | 0xc8c8c800,0x37373700,0xc6c6c600,0x3b3b3b00, |
262 | | 0x81818100,0x96969600,0x6f6f6f00,0x4b4b4b00, |
263 | | 0x13131300,0xbebebe00,0x63636300,0x2e2e2e00, |
264 | | 0xe9e9e900,0x79797900,0xa7a7a700,0x8c8c8c00, |
265 | | 0x9f9f9f00,0x6e6e6e00,0xbcbcbc00,0x8e8e8e00, |
266 | | 0x29292900,0xf5f5f500,0xf9f9f900,0xb6b6b600, |
267 | | 0x2f2f2f00,0xfdfdfd00,0xb4b4b400,0x59595900, |
268 | | 0x78787800,0x98989800,0x06060600,0x6a6a6a00, |
269 | | 0xe7e7e700,0x46464600,0x71717100,0xbababa00, |
270 | | 0xd4d4d400,0x25252500,0xababab00,0x42424200, |
271 | | 0x88888800,0xa2a2a200,0x8d8d8d00,0xfafafa00, |
272 | | 0x72727200,0x07070700,0xb9b9b900,0x55555500, |
273 | | 0xf8f8f800,0xeeeeee00,0xacacac00,0x0a0a0a00, |
274 | | 0x36363600,0x49494900,0x2a2a2a00,0x68686800, |
275 | | 0x3c3c3c00,0x38383800,0xf1f1f100,0xa4a4a400, |
276 | | 0x40404000,0x28282800,0xd3d3d300,0x7b7b7b00, |
277 | | 0xbbbbbb00,0xc9c9c900,0x43434300,0xc1c1c100, |
278 | | 0x15151500,0xe3e3e300,0xadadad00,0xf4f4f400, |
279 | | 0x77777700,0xc7c7c700,0x80808000,0x9e9e9e00, |
280 | | }; |
281 | | |
282 | | static const u32 camellia_sp0222[256] = { |
283 | | 0x00e0e0e0,0x00050505,0x00585858,0x00d9d9d9, |
284 | | 0x00676767,0x004e4e4e,0x00818181,0x00cbcbcb, |
285 | | 0x00c9c9c9,0x000b0b0b,0x00aeaeae,0x006a6a6a, |
286 | | 0x00d5d5d5,0x00181818,0x005d5d5d,0x00828282, |
287 | | 0x00464646,0x00dfdfdf,0x00d6d6d6,0x00272727, |
288 | | 0x008a8a8a,0x00323232,0x004b4b4b,0x00424242, |
289 | | 0x00dbdbdb,0x001c1c1c,0x009e9e9e,0x009c9c9c, |
290 | | 0x003a3a3a,0x00cacaca,0x00252525,0x007b7b7b, |
291 | | 0x000d0d0d,0x00717171,0x005f5f5f,0x001f1f1f, |
292 | | 0x00f8f8f8,0x00d7d7d7,0x003e3e3e,0x009d9d9d, |
293 | | 0x007c7c7c,0x00606060,0x00b9b9b9,0x00bebebe, |
294 | | 0x00bcbcbc,0x008b8b8b,0x00161616,0x00343434, |
295 | | 0x004d4d4d,0x00c3c3c3,0x00727272,0x00959595, |
296 | | 0x00ababab,0x008e8e8e,0x00bababa,0x007a7a7a, |
297 | | 0x00b3b3b3,0x00020202,0x00b4b4b4,0x00adadad, |
298 | | 0x00a2a2a2,0x00acacac,0x00d8d8d8,0x009a9a9a, |
299 | | 0x00171717,0x001a1a1a,0x00353535,0x00cccccc, |
300 | | 0x00f7f7f7,0x00999999,0x00616161,0x005a5a5a, |
301 | | 0x00e8e8e8,0x00242424,0x00565656,0x00404040, |
302 | | 0x00e1e1e1,0x00636363,0x00090909,0x00333333, |
303 | | 0x00bfbfbf,0x00989898,0x00979797,0x00858585, |
304 | | 0x00686868,0x00fcfcfc,0x00ececec,0x000a0a0a, |
305 | | 0x00dadada,0x006f6f6f,0x00535353,0x00626262, |
306 | | 0x00a3a3a3,0x002e2e2e,0x00080808,0x00afafaf, |
307 | | 0x00282828,0x00b0b0b0,0x00747474,0x00c2c2c2, |
308 | | 0x00bdbdbd,0x00363636,0x00222222,0x00383838, |
309 | | 0x00646464,0x001e1e1e,0x00393939,0x002c2c2c, |
310 | | 0x00a6a6a6,0x00303030,0x00e5e5e5,0x00444444, |
311 | | 0x00fdfdfd,0x00888888,0x009f9f9f,0x00656565, |
312 | | 0x00878787,0x006b6b6b,0x00f4f4f4,0x00232323, |
313 | | 0x00484848,0x00101010,0x00d1d1d1,0x00515151, |
314 | | 0x00c0c0c0,0x00f9f9f9,0x00d2d2d2,0x00a0a0a0, |
315 | | 0x00555555,0x00a1a1a1,0x00414141,0x00fafafa, |
316 | | 0x00434343,0x00131313,0x00c4c4c4,0x002f2f2f, |
317 | | 0x00a8a8a8,0x00b6b6b6,0x003c3c3c,0x002b2b2b, |
318 | | 0x00c1c1c1,0x00ffffff,0x00c8c8c8,0x00a5a5a5, |
319 | | 0x00202020,0x00898989,0x00000000,0x00909090, |
320 | | 0x00474747,0x00efefef,0x00eaeaea,0x00b7b7b7, |
321 | | 0x00151515,0x00060606,0x00cdcdcd,0x00b5b5b5, |
322 | | 0x00121212,0x007e7e7e,0x00bbbbbb,0x00292929, |
323 | | 0x000f0f0f,0x00b8b8b8,0x00070707,0x00040404, |
324 | | 0x009b9b9b,0x00949494,0x00212121,0x00666666, |
325 | | 0x00e6e6e6,0x00cecece,0x00ededed,0x00e7e7e7, |
326 | | 0x003b3b3b,0x00fefefe,0x007f7f7f,0x00c5c5c5, |
327 | | 0x00a4a4a4,0x00373737,0x00b1b1b1,0x004c4c4c, |
328 | | 0x00919191,0x006e6e6e,0x008d8d8d,0x00767676, |
329 | | 0x00030303,0x002d2d2d,0x00dedede,0x00969696, |
330 | | 0x00262626,0x007d7d7d,0x00c6c6c6,0x005c5c5c, |
331 | | 0x00d3d3d3,0x00f2f2f2,0x004f4f4f,0x00191919, |
332 | | 0x003f3f3f,0x00dcdcdc,0x00797979,0x001d1d1d, |
333 | | 0x00525252,0x00ebebeb,0x00f3f3f3,0x006d6d6d, |
334 | | 0x005e5e5e,0x00fbfbfb,0x00696969,0x00b2b2b2, |
335 | | 0x00f0f0f0,0x00313131,0x000c0c0c,0x00d4d4d4, |
336 | | 0x00cfcfcf,0x008c8c8c,0x00e2e2e2,0x00757575, |
337 | | 0x00a9a9a9,0x004a4a4a,0x00575757,0x00848484, |
338 | | 0x00111111,0x00454545,0x001b1b1b,0x00f5f5f5, |
339 | | 0x00e4e4e4,0x000e0e0e,0x00737373,0x00aaaaaa, |
340 | | 0x00f1f1f1,0x00dddddd,0x00595959,0x00141414, |
341 | | 0x006c6c6c,0x00929292,0x00545454,0x00d0d0d0, |
342 | | 0x00787878,0x00707070,0x00e3e3e3,0x00494949, |
343 | | 0x00808080,0x00505050,0x00a7a7a7,0x00f6f6f6, |
344 | | 0x00777777,0x00939393,0x00868686,0x00838383, |
345 | | 0x002a2a2a,0x00c7c7c7,0x005b5b5b,0x00e9e9e9, |
346 | | 0x00eeeeee,0x008f8f8f,0x00010101,0x003d3d3d, |
347 | | }; |
348 | | |
349 | | static const u32 camellia_sp3033[256] = { |
350 | | 0x38003838,0x41004141,0x16001616,0x76007676, |
351 | | 0xd900d9d9,0x93009393,0x60006060,0xf200f2f2, |
352 | | 0x72007272,0xc200c2c2,0xab00abab,0x9a009a9a, |
353 | | 0x75007575,0x06000606,0x57005757,0xa000a0a0, |
354 | | 0x91009191,0xf700f7f7,0xb500b5b5,0xc900c9c9, |
355 | | 0xa200a2a2,0x8c008c8c,0xd200d2d2,0x90009090, |
356 | | 0xf600f6f6,0x07000707,0xa700a7a7,0x27002727, |
357 | | 0x8e008e8e,0xb200b2b2,0x49004949,0xde00dede, |
358 | | 0x43004343,0x5c005c5c,0xd700d7d7,0xc700c7c7, |
359 | | 0x3e003e3e,0xf500f5f5,0x8f008f8f,0x67006767, |
360 | | 0x1f001f1f,0x18001818,0x6e006e6e,0xaf00afaf, |
361 | | 0x2f002f2f,0xe200e2e2,0x85008585,0x0d000d0d, |
362 | | 0x53005353,0xf000f0f0,0x9c009c9c,0x65006565, |
363 | | 0xea00eaea,0xa300a3a3,0xae00aeae,0x9e009e9e, |
364 | | 0xec00ecec,0x80008080,0x2d002d2d,0x6b006b6b, |
365 | | 0xa800a8a8,0x2b002b2b,0x36003636,0xa600a6a6, |
366 | | 0xc500c5c5,0x86008686,0x4d004d4d,0x33003333, |
367 | | 0xfd00fdfd,0x66006666,0x58005858,0x96009696, |
368 | | 0x3a003a3a,0x09000909,0x95009595,0x10001010, |
369 | | 0x78007878,0xd800d8d8,0x42004242,0xcc00cccc, |
370 | | 0xef00efef,0x26002626,0xe500e5e5,0x61006161, |
371 | | 0x1a001a1a,0x3f003f3f,0x3b003b3b,0x82008282, |
372 | | 0xb600b6b6,0xdb00dbdb,0xd400d4d4,0x98009898, |
373 | | 0xe800e8e8,0x8b008b8b,0x02000202,0xeb00ebeb, |
374 | | 0x0a000a0a,0x2c002c2c,0x1d001d1d,0xb000b0b0, |
375 | | 0x6f006f6f,0x8d008d8d,0x88008888,0x0e000e0e, |
376 | | 0x19001919,0x87008787,0x4e004e4e,0x0b000b0b, |
377 | | 0xa900a9a9,0x0c000c0c,0x79007979,0x11001111, |
378 | | 0x7f007f7f,0x22002222,0xe700e7e7,0x59005959, |
379 | | 0xe100e1e1,0xda00dada,0x3d003d3d,0xc800c8c8, |
380 | | 0x12001212,0x04000404,0x74007474,0x54005454, |
381 | | 0x30003030,0x7e007e7e,0xb400b4b4,0x28002828, |
382 | | 0x55005555,0x68006868,0x50005050,0xbe00bebe, |
383 | | 0xd000d0d0,0xc400c4c4,0x31003131,0xcb00cbcb, |
384 | | 0x2a002a2a,0xad00adad,0x0f000f0f,0xca00caca, |
385 | | 0x70007070,0xff00ffff,0x32003232,0x69006969, |
386 | | 0x08000808,0x62006262,0x00000000,0x24002424, |
387 | | 0xd100d1d1,0xfb00fbfb,0xba00baba,0xed00eded, |
388 | | 0x45004545,0x81008181,0x73007373,0x6d006d6d, |
389 | | 0x84008484,0x9f009f9f,0xee00eeee,0x4a004a4a, |
390 | | 0xc300c3c3,0x2e002e2e,0xc100c1c1,0x01000101, |
391 | | 0xe600e6e6,0x25002525,0x48004848,0x99009999, |
392 | | 0xb900b9b9,0xb300b3b3,0x7b007b7b,0xf900f9f9, |
393 | | 0xce00cece,0xbf00bfbf,0xdf00dfdf,0x71007171, |
394 | | 0x29002929,0xcd00cdcd,0x6c006c6c,0x13001313, |
395 | | 0x64006464,0x9b009b9b,0x63006363,0x9d009d9d, |
396 | | 0xc000c0c0,0x4b004b4b,0xb700b7b7,0xa500a5a5, |
397 | | 0x89008989,0x5f005f5f,0xb100b1b1,0x17001717, |
398 | | 0xf400f4f4,0xbc00bcbc,0xd300d3d3,0x46004646, |
399 | | 0xcf00cfcf,0x37003737,0x5e005e5e,0x47004747, |
400 | | 0x94009494,0xfa00fafa,0xfc00fcfc,0x5b005b5b, |
401 | | 0x97009797,0xfe00fefe,0x5a005a5a,0xac00acac, |
402 | | 0x3c003c3c,0x4c004c4c,0x03000303,0x35003535, |
403 | | 0xf300f3f3,0x23002323,0xb800b8b8,0x5d005d5d, |
404 | | 0x6a006a6a,0x92009292,0xd500d5d5,0x21002121, |
405 | | 0x44004444,0x51005151,0xc600c6c6,0x7d007d7d, |
406 | | 0x39003939,0x83008383,0xdc00dcdc,0xaa00aaaa, |
407 | | 0x7c007c7c,0x77007777,0x56005656,0x05000505, |
408 | | 0x1b001b1b,0xa400a4a4,0x15001515,0x34003434, |
409 | | 0x1e001e1e,0x1c001c1c,0xf800f8f8,0x52005252, |
410 | | 0x20002020,0x14001414,0xe900e9e9,0xbd00bdbd, |
411 | | 0xdd00dddd,0xe400e4e4,0xa100a1a1,0xe000e0e0, |
412 | | 0x8a008a8a,0xf100f1f1,0xd600d6d6,0x7a007a7a, |
413 | | 0xbb00bbbb,0xe300e3e3,0x40004040,0x4f004f4f, |
414 | | }; |
415 | | |
416 | | static const u32 camellia_sp4404[256] = { |
417 | | 0x70700070,0x2c2c002c,0xb3b300b3,0xc0c000c0, |
418 | | 0xe4e400e4,0x57570057,0xeaea00ea,0xaeae00ae, |
419 | | 0x23230023,0x6b6b006b,0x45450045,0xa5a500a5, |
420 | | 0xeded00ed,0x4f4f004f,0x1d1d001d,0x92920092, |
421 | | 0x86860086,0xafaf00af,0x7c7c007c,0x1f1f001f, |
422 | | 0x3e3e003e,0xdcdc00dc,0x5e5e005e,0x0b0b000b, |
423 | | 0xa6a600a6,0x39390039,0xd5d500d5,0x5d5d005d, |
424 | | 0xd9d900d9,0x5a5a005a,0x51510051,0x6c6c006c, |
425 | | 0x8b8b008b,0x9a9a009a,0xfbfb00fb,0xb0b000b0, |
426 | | 0x74740074,0x2b2b002b,0xf0f000f0,0x84840084, |
427 | | 0xdfdf00df,0xcbcb00cb,0x34340034,0x76760076, |
428 | | 0x6d6d006d,0xa9a900a9,0xd1d100d1,0x04040004, |
429 | | 0x14140014,0x3a3a003a,0xdede00de,0x11110011, |
430 | | 0x32320032,0x9c9c009c,0x53530053,0xf2f200f2, |
431 | | 0xfefe00fe,0xcfcf00cf,0xc3c300c3,0x7a7a007a, |
432 | | 0x24240024,0xe8e800e8,0x60600060,0x69690069, |
433 | | 0xaaaa00aa,0xa0a000a0,0xa1a100a1,0x62620062, |
434 | | 0x54540054,0x1e1e001e,0xe0e000e0,0x64640064, |
435 | | 0x10100010,0x00000000,0xa3a300a3,0x75750075, |
436 | | 0x8a8a008a,0xe6e600e6,0x09090009,0xdddd00dd, |
437 | | 0x87870087,0x83830083,0xcdcd00cd,0x90900090, |
438 | | 0x73730073,0xf6f600f6,0x9d9d009d,0xbfbf00bf, |
439 | | 0x52520052,0xd8d800d8,0xc8c800c8,0xc6c600c6, |
440 | | 0x81810081,0x6f6f006f,0x13130013,0x63630063, |
441 | | 0xe9e900e9,0xa7a700a7,0x9f9f009f,0xbcbc00bc, |
442 | | 0x29290029,0xf9f900f9,0x2f2f002f,0xb4b400b4, |
443 | | 0x78780078,0x06060006,0xe7e700e7,0x71710071, |
444 | | 0xd4d400d4,0xabab00ab,0x88880088,0x8d8d008d, |
445 | | 0x72720072,0xb9b900b9,0xf8f800f8,0xacac00ac, |
446 | | 0x36360036,0x2a2a002a,0x3c3c003c,0xf1f100f1, |
447 | | 0x40400040,0xd3d300d3,0xbbbb00bb,0x43430043, |
448 | | 0x15150015,0xadad00ad,0x77770077,0x80800080, |
449 | | 0x82820082,0xecec00ec,0x27270027,0xe5e500e5, |
450 | | 0x85850085,0x35350035,0x0c0c000c,0x41410041, |
451 | | 0xefef00ef,0x93930093,0x19190019,0x21210021, |
452 | | 0x0e0e000e,0x4e4e004e,0x65650065,0xbdbd00bd, |
453 | | 0xb8b800b8,0x8f8f008f,0xebeb00eb,0xcece00ce, |
454 | | 0x30300030,0x5f5f005f,0xc5c500c5,0x1a1a001a, |
455 | | 0xe1e100e1,0xcaca00ca,0x47470047,0x3d3d003d, |
456 | | 0x01010001,0xd6d600d6,0x56560056,0x4d4d004d, |
457 | | 0x0d0d000d,0x66660066,0xcccc00cc,0x2d2d002d, |
458 | | 0x12120012,0x20200020,0xb1b100b1,0x99990099, |
459 | | 0x4c4c004c,0xc2c200c2,0x7e7e007e,0x05050005, |
460 | | 0xb7b700b7,0x31310031,0x17170017,0xd7d700d7, |
461 | | 0x58580058,0x61610061,0x1b1b001b,0x1c1c001c, |
462 | | 0x0f0f000f,0x16160016,0x18180018,0x22220022, |
463 | | 0x44440044,0xb2b200b2,0xb5b500b5,0x91910091, |
464 | | 0x08080008,0xa8a800a8,0xfcfc00fc,0x50500050, |
465 | | 0xd0d000d0,0x7d7d007d,0x89890089,0x97970097, |
466 | | 0x5b5b005b,0x95950095,0xffff00ff,0xd2d200d2, |
467 | | 0xc4c400c4,0x48480048,0xf7f700f7,0xdbdb00db, |
468 | | 0x03030003,0xdada00da,0x3f3f003f,0x94940094, |
469 | | 0x5c5c005c,0x02020002,0x4a4a004a,0x33330033, |
470 | | 0x67670067,0xf3f300f3,0x7f7f007f,0xe2e200e2, |
471 | | 0x9b9b009b,0x26260026,0x37370037,0x3b3b003b, |
472 | | 0x96960096,0x4b4b004b,0xbebe00be,0x2e2e002e, |
473 | | 0x79790079,0x8c8c008c,0x6e6e006e,0x8e8e008e, |
474 | | 0xf5f500f5,0xb6b600b6,0xfdfd00fd,0x59590059, |
475 | | 0x98980098,0x6a6a006a,0x46460046,0xbaba00ba, |
476 | | 0x25250025,0x42420042,0xa2a200a2,0xfafa00fa, |
477 | | 0x07070007,0x55550055,0xeeee00ee,0x0a0a000a, |
478 | | 0x49490049,0x68680068,0x38380038,0xa4a400a4, |
479 | | 0x28280028,0x7b7b007b,0xc9c900c9,0xc1c100c1, |
480 | | 0xe3e300e3,0xf4f400f4,0xc7c700c7,0x9e9e009e, |
481 | | }; |
482 | | |
483 | | |
484 | | /** |
485 | | * Stuff related to the Camellia key schedule |
486 | | */ |
487 | 0 | #define subl(x) subL[(x)] |
488 | 0 | #define subr(x) subR[(x)] |
489 | | |
490 | | static int camellia_setup128(const unsigned char *key, u32 *subkey) |
491 | 0 | { |
492 | 0 | u32 kll, klr, krl, krr; |
493 | 0 | u32 il, ir, t0, t1, w0, w1; |
494 | 0 | u32 kw4l, kw4r, dw, tl, tr; |
495 | |
|
496 | 0 | #ifdef WOLFSSL_SMALL_STACK |
497 | 0 | u32* subL; |
498 | 0 | u32* subR; |
499 | |
|
500 | 0 | subL = (u32*) XMALLOC(sizeof(u32) * 26, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
501 | 0 | if (subL == NULL) |
502 | 0 | return MEMORY_E; |
503 | | |
504 | 0 | subR = (u32*) XMALLOC(sizeof(u32) * 26, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
505 | 0 | if (subR == NULL) { |
506 | 0 | XFREE(subL, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
507 | 0 | return MEMORY_E; |
508 | 0 | } |
509 | | #else |
510 | | u32 subL[26]; |
511 | | u32 subR[26]; |
512 | | #endif |
513 | | |
514 | | /** |
515 | | * k == kll || klr || krl || krr (|| is concatenation) |
516 | | */ |
517 | 0 | kll = GETU32(key ); |
518 | 0 | klr = GETU32(key + 4); |
519 | 0 | krl = GETU32(key + 8); |
520 | 0 | krr = GETU32(key + 12); |
521 | | /** |
522 | | * generate KL dependent subkeys |
523 | | */ |
524 | 0 | subl(0) = kll; subr(0) = klr; |
525 | 0 | subl(1) = krl; subr(1) = krr; |
526 | 0 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
527 | 0 | subl(4) = kll; subr(4) = klr; |
528 | 0 | subl(5) = krl; subr(5) = krr; |
529 | 0 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30); |
530 | 0 | subl(10) = kll; subr(10) = klr; |
531 | 0 | subl(11) = krl; subr(11) = krr; |
532 | 0 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
533 | 0 | subl(13) = krl; subr(13) = krr; |
534 | 0 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
535 | 0 | subl(16) = kll; subr(16) = klr; |
536 | 0 | subl(17) = krl; subr(17) = krr; |
537 | 0 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
538 | 0 | subl(18) = kll; subr(18) = klr; |
539 | 0 | subl(19) = krl; subr(19) = krr; |
540 | 0 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
541 | 0 | subl(22) = kll; subr(22) = klr; |
542 | 0 | subl(23) = krl; subr(23) = krr; |
543 | | |
544 | | /* generate KA */ |
545 | 0 | kll = subl(0); klr = subr(0); |
546 | 0 | krl = subl(1); krr = subr(1); |
547 | 0 | CAMELLIA_F(kll, klr, |
548 | 0 | CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R, |
549 | 0 | w0, w1, il, ir, t0, t1); |
550 | 0 | krl ^= w0; krr ^= w1; |
551 | 0 | CAMELLIA_F(krl, krr, |
552 | 0 | CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R, |
553 | 0 | kll, klr, il, ir, t0, t1); |
554 | 0 | CAMELLIA_F(kll, klr, |
555 | 0 | CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R, |
556 | 0 | krl, krr, il, ir, t0, t1); |
557 | 0 | krl ^= w0; krr ^= w1; |
558 | 0 | CAMELLIA_F(krl, krr, |
559 | 0 | CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R, |
560 | 0 | w0, w1, il, ir, t0, t1); |
561 | 0 | kll ^= w0; klr ^= w1; |
562 | | |
563 | | /* generate KA dependent subkeys */ |
564 | 0 | subl(2) = kll; subr(2) = klr; |
565 | 0 | subl(3) = krl; subr(3) = krr; |
566 | 0 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
567 | 0 | subl(6) = kll; subr(6) = klr; |
568 | 0 | subl(7) = krl; subr(7) = krr; |
569 | 0 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
570 | 0 | subl(8) = kll; subr(8) = klr; |
571 | 0 | subl(9) = krl; subr(9) = krr; |
572 | 0 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
573 | 0 | subl(12) = kll; subr(12) = klr; |
574 | 0 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
575 | 0 | subl(14) = kll; subr(14) = klr; |
576 | 0 | subl(15) = krl; subr(15) = krr; |
577 | 0 | CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34); |
578 | 0 | subl(20) = kll; subr(20) = klr; |
579 | 0 | subl(21) = krl; subr(21) = krr; |
580 | 0 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
581 | 0 | subl(24) = kll; subr(24) = klr; |
582 | 0 | subl(25) = krl; subr(25) = krr; |
583 | | |
584 | | |
585 | | /* absorb kw2 to other subkeys */ |
586 | 0 | subl(3) ^= subl(1); subr(3) ^= subr(1); |
587 | 0 | subl(5) ^= subl(1); subr(5) ^= subr(1); |
588 | 0 | subl(7) ^= subl(1); subr(7) ^= subr(1); |
589 | 0 | subl(1) ^= subr(1) & ~subr(9); |
590 | 0 | dw = subl(1) & subl(9), subr(1) ^= CAMELLIA_RL1(dw); |
591 | 0 | subl(11) ^= subl(1); subr(11) ^= subr(1); |
592 | 0 | subl(13) ^= subl(1); subr(13) ^= subr(1); |
593 | 0 | subl(15) ^= subl(1); subr(15) ^= subr(1); |
594 | 0 | subl(1) ^= subr(1) & ~subr(17); |
595 | 0 | dw = subl(1) & subl(17), subr(1) ^= CAMELLIA_RL1(dw); |
596 | 0 | subl(19) ^= subl(1); subr(19) ^= subr(1); |
597 | 0 | subl(21) ^= subl(1); subr(21) ^= subr(1); |
598 | 0 | subl(23) ^= subl(1); subr(23) ^= subr(1); |
599 | 0 | subl(24) ^= subl(1); subr(24) ^= subr(1); |
600 | | |
601 | | /* absorb kw4 to other subkeys */ |
602 | 0 | kw4l = subl(25); kw4r = subr(25); |
603 | 0 | subl(22) ^= kw4l; subr(22) ^= kw4r; |
604 | 0 | subl(20) ^= kw4l; subr(20) ^= kw4r; |
605 | 0 | subl(18) ^= kw4l; subr(18) ^= kw4r; |
606 | 0 | kw4l ^= kw4r & ~subr(16); |
607 | 0 | dw = kw4l & subl(16), kw4r ^= CAMELLIA_RL1(dw); |
608 | 0 | subl(14) ^= kw4l; subr(14) ^= kw4r; |
609 | 0 | subl(12) ^= kw4l; subr(12) ^= kw4r; |
610 | 0 | subl(10) ^= kw4l; subr(10) ^= kw4r; |
611 | 0 | kw4l ^= kw4r & ~subr(8); |
612 | 0 | dw = kw4l & subl(8), kw4r ^= CAMELLIA_RL1(dw); |
613 | 0 | subl(6) ^= kw4l; subr(6) ^= kw4r; |
614 | 0 | subl(4) ^= kw4l; subr(4) ^= kw4r; |
615 | 0 | subl(2) ^= kw4l; subr(2) ^= kw4r; |
616 | 0 | subl(0) ^= kw4l; subr(0) ^= kw4r; |
617 | | |
618 | | /* key XOR is end of F-function */ |
619 | 0 | CamelliaSubkeyL(0) = subl(0) ^ subl(2); |
620 | 0 | CamelliaSubkeyR(0) = subr(0) ^ subr(2); |
621 | 0 | CamelliaSubkeyL(2) = subl(3); |
622 | 0 | CamelliaSubkeyR(2) = subr(3); |
623 | 0 | CamelliaSubkeyL(3) = subl(2) ^ subl(4); |
624 | 0 | CamelliaSubkeyR(3) = subr(2) ^ subr(4); |
625 | 0 | CamelliaSubkeyL(4) = subl(3) ^ subl(5); |
626 | 0 | CamelliaSubkeyR(4) = subr(3) ^ subr(5); |
627 | 0 | CamelliaSubkeyL(5) = subl(4) ^ subl(6); |
628 | 0 | CamelliaSubkeyR(5) = subr(4) ^ subr(6); |
629 | 0 | CamelliaSubkeyL(6) = subl(5) ^ subl(7); |
630 | 0 | CamelliaSubkeyR(6) = subr(5) ^ subr(7); |
631 | 0 | tl = subl(10) ^ (subr(10) & ~subr(8)); |
632 | 0 | dw = tl & subl(8), tr = subr(10) ^ CAMELLIA_RL1(dw); |
633 | 0 | CamelliaSubkeyL(7) = subl(6) ^ tl; |
634 | 0 | CamelliaSubkeyR(7) = subr(6) ^ tr; |
635 | 0 | CamelliaSubkeyL(8) = subl(8); |
636 | 0 | CamelliaSubkeyR(8) = subr(8); |
637 | 0 | CamelliaSubkeyL(9) = subl(9); |
638 | 0 | CamelliaSubkeyR(9) = subr(9); |
639 | 0 | tl = subl(7) ^ (subr(7) & ~subr(9)); |
640 | 0 | dw = tl & subl(9), tr = subr(7) ^ CAMELLIA_RL1(dw); |
641 | 0 | CamelliaSubkeyL(10) = tl ^ subl(11); |
642 | 0 | CamelliaSubkeyR(10) = tr ^ subr(11); |
643 | 0 | CamelliaSubkeyL(11) = subl(10) ^ subl(12); |
644 | 0 | CamelliaSubkeyR(11) = subr(10) ^ subr(12); |
645 | 0 | CamelliaSubkeyL(12) = subl(11) ^ subl(13); |
646 | 0 | CamelliaSubkeyR(12) = subr(11) ^ subr(13); |
647 | 0 | CamelliaSubkeyL(13) = subl(12) ^ subl(14); |
648 | 0 | CamelliaSubkeyR(13) = subr(12) ^ subr(14); |
649 | 0 | CamelliaSubkeyL(14) = subl(13) ^ subl(15); |
650 | 0 | CamelliaSubkeyR(14) = subr(13) ^ subr(15); |
651 | 0 | tl = subl(18) ^ (subr(18) & ~subr(16)); |
652 | 0 | dw = tl & subl(16), tr = subr(18) ^ CAMELLIA_RL1(dw); |
653 | 0 | CamelliaSubkeyL(15) = subl(14) ^ tl; |
654 | 0 | CamelliaSubkeyR(15) = subr(14) ^ tr; |
655 | 0 | CamelliaSubkeyL(16) = subl(16); |
656 | 0 | CamelliaSubkeyR(16) = subr(16); |
657 | 0 | CamelliaSubkeyL(17) = subl(17); |
658 | 0 | CamelliaSubkeyR(17) = subr(17); |
659 | 0 | tl = subl(15) ^ (subr(15) & ~subr(17)); |
660 | 0 | dw = tl & subl(17), tr = subr(15) ^ CAMELLIA_RL1(dw); |
661 | 0 | CamelliaSubkeyL(18) = tl ^ subl(19); |
662 | 0 | CamelliaSubkeyR(18) = tr ^ subr(19); |
663 | 0 | CamelliaSubkeyL(19) = subl(18) ^ subl(20); |
664 | 0 | CamelliaSubkeyR(19) = subr(18) ^ subr(20); |
665 | 0 | CamelliaSubkeyL(20) = subl(19) ^ subl(21); |
666 | 0 | CamelliaSubkeyR(20) = subr(19) ^ subr(21); |
667 | 0 | CamelliaSubkeyL(21) = subl(20) ^ subl(22); |
668 | 0 | CamelliaSubkeyR(21) = subr(20) ^ subr(22); |
669 | 0 | CamelliaSubkeyL(22) = subl(21) ^ subl(23); |
670 | 0 | CamelliaSubkeyR(22) = subr(21) ^ subr(23); |
671 | 0 | CamelliaSubkeyL(23) = subl(22); |
672 | 0 | CamelliaSubkeyR(23) = subr(22); |
673 | 0 | CamelliaSubkeyL(24) = subl(24) ^ subl(23); |
674 | 0 | CamelliaSubkeyR(24) = subr(24) ^ subr(23); |
675 | | |
676 | | /* apply the inverse of the last half of P-function */ |
677 | 0 | dw = CamelliaSubkeyL(2) ^ CamelliaSubkeyR(2), dw = CAMELLIA_RL8(dw); |
678 | 0 | CamelliaSubkeyR(2) = CamelliaSubkeyL(2) ^ dw, CamelliaSubkeyL(2) = dw; |
679 | 0 | dw = CamelliaSubkeyL(3) ^ CamelliaSubkeyR(3), dw = CAMELLIA_RL8(dw); |
680 | 0 | CamelliaSubkeyR(3) = CamelliaSubkeyL(3) ^ dw, CamelliaSubkeyL(3) = dw; |
681 | 0 | dw = CamelliaSubkeyL(4) ^ CamelliaSubkeyR(4), dw = CAMELLIA_RL8(dw); |
682 | 0 | CamelliaSubkeyR(4) = CamelliaSubkeyL(4) ^ dw, CamelliaSubkeyL(4) = dw; |
683 | 0 | dw = CamelliaSubkeyL(5) ^ CamelliaSubkeyR(5), dw = CAMELLIA_RL8(dw); |
684 | 0 | CamelliaSubkeyR(5) = CamelliaSubkeyL(5) ^ dw, CamelliaSubkeyL(5) = dw; |
685 | 0 | dw = CamelliaSubkeyL(6) ^ CamelliaSubkeyR(6), dw = CAMELLIA_RL8(dw); |
686 | 0 | CamelliaSubkeyR(6) = CamelliaSubkeyL(6) ^ dw, CamelliaSubkeyL(6) = dw; |
687 | 0 | dw = CamelliaSubkeyL(7) ^ CamelliaSubkeyR(7), dw = CAMELLIA_RL8(dw); |
688 | 0 | CamelliaSubkeyR(7) = CamelliaSubkeyL(7) ^ dw, CamelliaSubkeyL(7) = dw; |
689 | 0 | dw = CamelliaSubkeyL(10) ^ CamelliaSubkeyR(10), dw = CAMELLIA_RL8(dw); |
690 | 0 | CamelliaSubkeyR(10) = CamelliaSubkeyL(10) ^ dw, CamelliaSubkeyL(10) = dw; |
691 | 0 | dw = CamelliaSubkeyL(11) ^ CamelliaSubkeyR(11), dw = CAMELLIA_RL8(dw); |
692 | 0 | CamelliaSubkeyR(11) = CamelliaSubkeyL(11) ^ dw, CamelliaSubkeyL(11) = dw; |
693 | 0 | dw = CamelliaSubkeyL(12) ^ CamelliaSubkeyR(12), dw = CAMELLIA_RL8(dw); |
694 | 0 | CamelliaSubkeyR(12) = CamelliaSubkeyL(12) ^ dw, CamelliaSubkeyL(12) = dw; |
695 | 0 | dw = CamelliaSubkeyL(13) ^ CamelliaSubkeyR(13), dw = CAMELLIA_RL8(dw); |
696 | 0 | CamelliaSubkeyR(13) = CamelliaSubkeyL(13) ^ dw, CamelliaSubkeyL(13) = dw; |
697 | 0 | dw = CamelliaSubkeyL(14) ^ CamelliaSubkeyR(14), dw = CAMELLIA_RL8(dw); |
698 | 0 | CamelliaSubkeyR(14) = CamelliaSubkeyL(14) ^ dw, CamelliaSubkeyL(14) = dw; |
699 | 0 | dw = CamelliaSubkeyL(15) ^ CamelliaSubkeyR(15), dw = CAMELLIA_RL8(dw); |
700 | 0 | CamelliaSubkeyR(15) = CamelliaSubkeyL(15) ^ dw, CamelliaSubkeyL(15) = dw; |
701 | 0 | dw = CamelliaSubkeyL(18) ^ CamelliaSubkeyR(18), dw = CAMELLIA_RL8(dw); |
702 | 0 | CamelliaSubkeyR(18) = CamelliaSubkeyL(18) ^ dw, CamelliaSubkeyL(18) = dw; |
703 | 0 | dw = CamelliaSubkeyL(19) ^ CamelliaSubkeyR(19), dw = CAMELLIA_RL8(dw); |
704 | 0 | CamelliaSubkeyR(19) = CamelliaSubkeyL(19) ^ dw, CamelliaSubkeyL(19) = dw; |
705 | 0 | dw = CamelliaSubkeyL(20) ^ CamelliaSubkeyR(20), dw = CAMELLIA_RL8(dw); |
706 | 0 | CamelliaSubkeyR(20) = CamelliaSubkeyL(20) ^ dw, CamelliaSubkeyL(20) = dw; |
707 | 0 | dw = CamelliaSubkeyL(21) ^ CamelliaSubkeyR(21), dw = CAMELLIA_RL8(dw); |
708 | 0 | CamelliaSubkeyR(21) = CamelliaSubkeyL(21) ^ dw, CamelliaSubkeyL(21) = dw; |
709 | 0 | dw = CamelliaSubkeyL(22) ^ CamelliaSubkeyR(22), dw = CAMELLIA_RL8(dw); |
710 | 0 | CamelliaSubkeyR(22) = CamelliaSubkeyL(22) ^ dw, CamelliaSubkeyL(22) = dw; |
711 | 0 | dw = CamelliaSubkeyL(23) ^ CamelliaSubkeyR(23), dw = CAMELLIA_RL8(dw); |
712 | 0 | CamelliaSubkeyR(23) = CamelliaSubkeyL(23) ^ dw, CamelliaSubkeyL(23) = dw; |
713 | |
|
714 | 0 | #ifdef WOLFSSL_SMALL_STACK |
715 | 0 | XFREE(subL, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
716 | 0 | XFREE(subR, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
717 | 0 | #endif |
718 | |
|
719 | 0 | return 0; |
720 | 0 | } |
721 | | |
722 | | static int camellia_setup256(const unsigned char *key, u32 *subkey) |
723 | 0 | { |
724 | 0 | u32 kll,klr,krl,krr; /* left half of key */ |
725 | 0 | u32 krll,krlr,krrl,krrr; /* right half of key */ |
726 | 0 | u32 il, ir, t0, t1, w0, w1; /* temporary variables */ |
727 | 0 | u32 kw4l, kw4r, dw, tl, tr; |
728 | |
|
729 | 0 | #ifdef WOLFSSL_SMALL_STACK |
730 | 0 | u32* subL; |
731 | 0 | u32* subR; |
732 | |
|
733 | 0 | subL = (u32*) XMALLOC(sizeof(u32) * 34, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
734 | 0 | if (subL == NULL) |
735 | 0 | return MEMORY_E; |
736 | | |
737 | 0 | subR = (u32*) XMALLOC(sizeof(u32) * 34, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
738 | 0 | if (subR == NULL) { |
739 | 0 | XFREE(subL, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
740 | 0 | return MEMORY_E; |
741 | 0 | } |
742 | | #else |
743 | | u32 subL[34]; |
744 | | u32 subR[34]; |
745 | | #endif |
746 | | |
747 | | /** |
748 | | * key = (kll || klr || krl || krr || krll || krlr || krrl || krrr) |
749 | | * (|| is concatenation) |
750 | | */ |
751 | | |
752 | 0 | kll = GETU32(key ); |
753 | 0 | klr = GETU32(key + 4); |
754 | 0 | krl = GETU32(key + 8); |
755 | 0 | krr = GETU32(key + 12); |
756 | 0 | krll = GETU32(key + 16); |
757 | 0 | krlr = GETU32(key + 20); |
758 | 0 | krrl = GETU32(key + 24); |
759 | 0 | krrr = GETU32(key + 28); |
760 | | |
761 | | /* generate KL dependent subkeys */ |
762 | 0 | subl(0) = kll; subr(0) = klr; |
763 | 0 | subl(1) = krl; subr(1) = krr; |
764 | 0 | CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 45); |
765 | 0 | subl(12) = kll; subr(12) = klr; |
766 | 0 | subl(13) = krl; subr(13) = krr; |
767 | 0 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
768 | 0 | subl(16) = kll; subr(16) = klr; |
769 | 0 | subl(17) = krl; subr(17) = krr; |
770 | 0 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
771 | 0 | subl(22) = kll; subr(22) = klr; |
772 | 0 | subl(23) = krl; subr(23) = krr; |
773 | 0 | CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34); |
774 | 0 | subl(30) = kll; subr(30) = klr; |
775 | 0 | subl(31) = krl; subr(31) = krr; |
776 | | |
777 | | /* generate KR dependent subkeys */ |
778 | 0 | CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); |
779 | 0 | subl(4) = krll; subr(4) = krlr; |
780 | 0 | subl(5) = krrl; subr(5) = krrr; |
781 | 0 | CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); |
782 | 0 | subl(8) = krll; subr(8) = krlr; |
783 | 0 | subl(9) = krrl; subr(9) = krrr; |
784 | 0 | CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
785 | 0 | subl(18) = krll; subr(18) = krlr; |
786 | 0 | subl(19) = krrl; subr(19) = krrr; |
787 | 0 | CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); |
788 | 0 | subl(26) = krll; subr(26) = krlr; |
789 | 0 | subl(27) = krrl; subr(27) = krrr; |
790 | 0 | CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); |
791 | | |
792 | | /* generate KA */ |
793 | 0 | kll = subl(0) ^ krll; klr = subr(0) ^ krlr; |
794 | 0 | krl = subl(1) ^ krrl; krr = subr(1) ^ krrr; |
795 | 0 | CAMELLIA_F(kll, klr, |
796 | 0 | CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R, |
797 | 0 | w0, w1, il, ir, t0, t1); |
798 | 0 | krl ^= w0; krr ^= w1; |
799 | 0 | CAMELLIA_F(krl, krr, |
800 | 0 | CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R, |
801 | 0 | kll, klr, il, ir, t0, t1); |
802 | 0 | kll ^= krll; klr ^= krlr; |
803 | 0 | CAMELLIA_F(kll, klr, |
804 | 0 | CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R, |
805 | 0 | krl, krr, il, ir, t0, t1); |
806 | 0 | krl ^= w0 ^ krrl; krr ^= w1 ^ krrr; |
807 | 0 | CAMELLIA_F(krl, krr, |
808 | 0 | CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R, |
809 | 0 | w0, w1, il, ir, t0, t1); |
810 | 0 | kll ^= w0; klr ^= w1; |
811 | | |
812 | | /* generate KB */ |
813 | 0 | krll ^= kll; krlr ^= klr; |
814 | 0 | krrl ^= krl; krrr ^= krr; |
815 | 0 | CAMELLIA_F(krll, krlr, |
816 | 0 | CAMELLIA_SIGMA5L, CAMELLIA_SIGMA5R, |
817 | 0 | w0, w1, il, ir, t0, t1); |
818 | 0 | krrl ^= w0; krrr ^= w1; |
819 | 0 | CAMELLIA_F(krrl, krrr, |
820 | 0 | CAMELLIA_SIGMA6L, CAMELLIA_SIGMA6R, |
821 | 0 | w0, w1, il, ir, t0, t1); |
822 | 0 | krll ^= w0; krlr ^= w1; |
823 | | |
824 | | /* generate KA dependent subkeys */ |
825 | 0 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
826 | 0 | subl(6) = kll; subr(6) = klr; |
827 | 0 | subl(7) = krl; subr(7) = krr; |
828 | 0 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30); |
829 | 0 | subl(14) = kll; subr(14) = klr; |
830 | 0 | subl(15) = krl; subr(15) = krr; |
831 | 0 | subl(24) = klr; subr(24) = krl; |
832 | 0 | subl(25) = krr; subr(25) = kll; |
833 | 0 | CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 49); |
834 | 0 | subl(28) = kll; subr(28) = klr; |
835 | 0 | subl(29) = krl; subr(29) = krr; |
836 | | |
837 | | /* generate KB dependent subkeys */ |
838 | 0 | subl(2) = krll; subr(2) = krlr; |
839 | 0 | subl(3) = krrl; subr(3) = krrr; |
840 | 0 | CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
841 | 0 | subl(10) = krll; subr(10) = krlr; |
842 | 0 | subl(11) = krrl; subr(11) = krrr; |
843 | 0 | CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
844 | 0 | subl(20) = krll; subr(20) = krlr; |
845 | 0 | subl(21) = krrl; subr(21) = krrr; |
846 | 0 | CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 51); |
847 | 0 | subl(32) = krll; subr(32) = krlr; |
848 | 0 | subl(33) = krrl; subr(33) = krrr; |
849 | | |
850 | | /* absorb kw2 to other subkeys */ |
851 | 0 | subl(3) ^= subl(1); subr(3) ^= subr(1); |
852 | 0 | subl(5) ^= subl(1); subr(5) ^= subr(1); |
853 | 0 | subl(7) ^= subl(1); subr(7) ^= subr(1); |
854 | 0 | subl(1) ^= subr(1) & ~subr(9); |
855 | 0 | dw = subl(1) & subl(9), subr(1) ^= CAMELLIA_RL1(dw); |
856 | 0 | subl(11) ^= subl(1); subr(11) ^= subr(1); |
857 | 0 | subl(13) ^= subl(1); subr(13) ^= subr(1); |
858 | 0 | subl(15) ^= subl(1); subr(15) ^= subr(1); |
859 | 0 | subl(1) ^= subr(1) & ~subr(17); |
860 | 0 | dw = subl(1) & subl(17), subr(1) ^= CAMELLIA_RL1(dw); |
861 | 0 | subl(19) ^= subl(1); subr(19) ^= subr(1); |
862 | 0 | subl(21) ^= subl(1); subr(21) ^= subr(1); |
863 | 0 | subl(23) ^= subl(1); subr(23) ^= subr(1); |
864 | 0 | subl(1) ^= subr(1) & ~subr(25); |
865 | 0 | dw = subl(1) & subl(25), subr(1) ^= CAMELLIA_RL1(dw); |
866 | 0 | subl(27) ^= subl(1); subr(27) ^= subr(1); |
867 | 0 | subl(29) ^= subl(1); subr(29) ^= subr(1); |
868 | 0 | subl(31) ^= subl(1); subr(31) ^= subr(1); |
869 | 0 | subl(32) ^= subl(1); subr(32) ^= subr(1); |
870 | | |
871 | | /* absorb kw4 to other subkeys */ |
872 | 0 | kw4l = subl(33); kw4r = subr(33); |
873 | 0 | subl(30) ^= kw4l; subr(30) ^= kw4r; |
874 | 0 | subl(28) ^= kw4l; subr(28) ^= kw4r; |
875 | 0 | subl(26) ^= kw4l; subr(26) ^= kw4r; |
876 | 0 | kw4l ^= kw4r & ~subr(24); |
877 | 0 | dw = kw4l & subl(24), kw4r ^= CAMELLIA_RL1(dw); |
878 | 0 | subl(22) ^= kw4l; subr(22) ^= kw4r; |
879 | 0 | subl(20) ^= kw4l; subr(20) ^= kw4r; |
880 | 0 | subl(18) ^= kw4l; subr(18) ^= kw4r; |
881 | 0 | kw4l ^= kw4r & ~subr(16); |
882 | 0 | dw = kw4l & subl(16), kw4r ^= CAMELLIA_RL1(dw); |
883 | 0 | subl(14) ^= kw4l; subr(14) ^= kw4r; |
884 | 0 | subl(12) ^= kw4l; subr(12) ^= kw4r; |
885 | 0 | subl(10) ^= kw4l; subr(10) ^= kw4r; |
886 | 0 | kw4l ^= kw4r & ~subr(8); |
887 | 0 | dw = kw4l & subl(8), kw4r ^= CAMELLIA_RL1(dw); |
888 | 0 | subl(6) ^= kw4l; subr(6) ^= kw4r; |
889 | 0 | subl(4) ^= kw4l; subr(4) ^= kw4r; |
890 | 0 | subl(2) ^= kw4l; subr(2) ^= kw4r; |
891 | 0 | subl(0) ^= kw4l; subr(0) ^= kw4r; |
892 | | |
893 | | /* key XOR is end of F-function */ |
894 | 0 | CamelliaSubkeyL(0) = subl(0) ^ subl(2); |
895 | 0 | CamelliaSubkeyR(0) = subr(0) ^ subr(2); |
896 | 0 | CamelliaSubkeyL(2) = subl(3); |
897 | 0 | CamelliaSubkeyR(2) = subr(3); |
898 | 0 | CamelliaSubkeyL(3) = subl(2) ^ subl(4); |
899 | 0 | CamelliaSubkeyR(3) = subr(2) ^ subr(4); |
900 | 0 | CamelliaSubkeyL(4) = subl(3) ^ subl(5); |
901 | 0 | CamelliaSubkeyR(4) = subr(3) ^ subr(5); |
902 | 0 | CamelliaSubkeyL(5) = subl(4) ^ subl(6); |
903 | 0 | CamelliaSubkeyR(5) = subr(4) ^ subr(6); |
904 | 0 | CamelliaSubkeyL(6) = subl(5) ^ subl(7); |
905 | 0 | CamelliaSubkeyR(6) = subr(5) ^ subr(7); |
906 | 0 | tl = subl(10) ^ (subr(10) & ~subr(8)); |
907 | 0 | dw = tl & subl(8), tr = subr(10) ^ CAMELLIA_RL1(dw); |
908 | 0 | CamelliaSubkeyL(7) = subl(6) ^ tl; |
909 | 0 | CamelliaSubkeyR(7) = subr(6) ^ tr; |
910 | 0 | CamelliaSubkeyL(8) = subl(8); |
911 | 0 | CamelliaSubkeyR(8) = subr(8); |
912 | 0 | CamelliaSubkeyL(9) = subl(9); |
913 | 0 | CamelliaSubkeyR(9) = subr(9); |
914 | 0 | tl = subl(7) ^ (subr(7) & ~subr(9)); |
915 | 0 | dw = tl & subl(9), tr = subr(7) ^ CAMELLIA_RL1(dw); |
916 | 0 | CamelliaSubkeyL(10) = tl ^ subl(11); |
917 | 0 | CamelliaSubkeyR(10) = tr ^ subr(11); |
918 | 0 | CamelliaSubkeyL(11) = subl(10) ^ subl(12); |
919 | 0 | CamelliaSubkeyR(11) = subr(10) ^ subr(12); |
920 | 0 | CamelliaSubkeyL(12) = subl(11) ^ subl(13); |
921 | 0 | CamelliaSubkeyR(12) = subr(11) ^ subr(13); |
922 | 0 | CamelliaSubkeyL(13) = subl(12) ^ subl(14); |
923 | 0 | CamelliaSubkeyR(13) = subr(12) ^ subr(14); |
924 | 0 | CamelliaSubkeyL(14) = subl(13) ^ subl(15); |
925 | 0 | CamelliaSubkeyR(14) = subr(13) ^ subr(15); |
926 | 0 | tl = subl(18) ^ (subr(18) & ~subr(16)); |
927 | 0 | dw = tl & subl(16), tr = subr(18) ^ CAMELLIA_RL1(dw); |
928 | 0 | CamelliaSubkeyL(15) = subl(14) ^ tl; |
929 | 0 | CamelliaSubkeyR(15) = subr(14) ^ tr; |
930 | 0 | CamelliaSubkeyL(16) = subl(16); |
931 | 0 | CamelliaSubkeyR(16) = subr(16); |
932 | 0 | CamelliaSubkeyL(17) = subl(17); |
933 | 0 | CamelliaSubkeyR(17) = subr(17); |
934 | 0 | tl = subl(15) ^ (subr(15) & ~subr(17)); |
935 | 0 | dw = tl & subl(17), tr = subr(15) ^ CAMELLIA_RL1(dw); |
936 | 0 | CamelliaSubkeyL(18) = tl ^ subl(19); |
937 | 0 | CamelliaSubkeyR(18) = tr ^ subr(19); |
938 | 0 | CamelliaSubkeyL(19) = subl(18) ^ subl(20); |
939 | 0 | CamelliaSubkeyR(19) = subr(18) ^ subr(20); |
940 | 0 | CamelliaSubkeyL(20) = subl(19) ^ subl(21); |
941 | 0 | CamelliaSubkeyR(20) = subr(19) ^ subr(21); |
942 | 0 | CamelliaSubkeyL(21) = subl(20) ^ subl(22); |
943 | 0 | CamelliaSubkeyR(21) = subr(20) ^ subr(22); |
944 | 0 | CamelliaSubkeyL(22) = subl(21) ^ subl(23); |
945 | 0 | CamelliaSubkeyR(22) = subr(21) ^ subr(23); |
946 | 0 | tl = subl(26) ^ (subr(26) & ~subr(24)); |
947 | 0 | dw = tl & subl(24), tr = subr(26) ^ CAMELLIA_RL1(dw); |
948 | 0 | CamelliaSubkeyL(23) = subl(22) ^ tl; |
949 | 0 | CamelliaSubkeyR(23) = subr(22) ^ tr; |
950 | 0 | CamelliaSubkeyL(24) = subl(24); |
951 | 0 | CamelliaSubkeyR(24) = subr(24); |
952 | 0 | CamelliaSubkeyL(25) = subl(25); |
953 | 0 | CamelliaSubkeyR(25) = subr(25); |
954 | 0 | tl = subl(23) ^ (subr(23) & ~subr(25)); |
955 | 0 | dw = tl & subl(25), tr = subr(23) ^ CAMELLIA_RL1(dw); |
956 | 0 | CamelliaSubkeyL(26) = tl ^ subl(27); |
957 | 0 | CamelliaSubkeyR(26) = tr ^ subr(27); |
958 | 0 | CamelliaSubkeyL(27) = subl(26) ^ subl(28); |
959 | 0 | CamelliaSubkeyR(27) = subr(26) ^ subr(28); |
960 | 0 | CamelliaSubkeyL(28) = subl(27) ^ subl(29); |
961 | 0 | CamelliaSubkeyR(28) = subr(27) ^ subr(29); |
962 | 0 | CamelliaSubkeyL(29) = subl(28) ^ subl(30); |
963 | 0 | CamelliaSubkeyR(29) = subr(28) ^ subr(30); |
964 | 0 | CamelliaSubkeyL(30) = subl(29) ^ subl(31); |
965 | 0 | CamelliaSubkeyR(30) = subr(29) ^ subr(31); |
966 | 0 | CamelliaSubkeyL(31) = subl(30); |
967 | 0 | CamelliaSubkeyR(31) = subr(30); |
968 | 0 | CamelliaSubkeyL(32) = subl(32) ^ subl(31); |
969 | 0 | CamelliaSubkeyR(32) = subr(32) ^ subr(31); |
970 | | |
971 | | /* apply the inverse of the last half of P-function */ |
972 | 0 | dw = CamelliaSubkeyL(2) ^ CamelliaSubkeyR(2), dw = CAMELLIA_RL8(dw); |
973 | 0 | CamelliaSubkeyR(2) = CamelliaSubkeyL(2) ^ dw, CamelliaSubkeyL(2) = dw; |
974 | 0 | dw = CamelliaSubkeyL(3) ^ CamelliaSubkeyR(3), dw = CAMELLIA_RL8(dw); |
975 | 0 | CamelliaSubkeyR(3) = CamelliaSubkeyL(3) ^ dw, CamelliaSubkeyL(3) = dw; |
976 | 0 | dw = CamelliaSubkeyL(4) ^ CamelliaSubkeyR(4), dw = CAMELLIA_RL8(dw); |
977 | 0 | CamelliaSubkeyR(4) = CamelliaSubkeyL(4) ^ dw, CamelliaSubkeyL(4) = dw; |
978 | 0 | dw = CamelliaSubkeyL(5) ^ CamelliaSubkeyR(5), dw = CAMELLIA_RL8(dw); |
979 | 0 | CamelliaSubkeyR(5) = CamelliaSubkeyL(5) ^ dw, CamelliaSubkeyL(5) = dw; |
980 | 0 | dw = CamelliaSubkeyL(6) ^ CamelliaSubkeyR(6), dw = CAMELLIA_RL8(dw); |
981 | 0 | CamelliaSubkeyR(6) = CamelliaSubkeyL(6) ^ dw, CamelliaSubkeyL(6) = dw; |
982 | 0 | dw = CamelliaSubkeyL(7) ^ CamelliaSubkeyR(7), dw = CAMELLIA_RL8(dw); |
983 | 0 | CamelliaSubkeyR(7) = CamelliaSubkeyL(7) ^ dw, CamelliaSubkeyL(7) = dw; |
984 | 0 | dw = CamelliaSubkeyL(10) ^ CamelliaSubkeyR(10), dw = CAMELLIA_RL8(dw); |
985 | 0 | CamelliaSubkeyR(10) = CamelliaSubkeyL(10) ^ dw, CamelliaSubkeyL(10) = dw; |
986 | 0 | dw = CamelliaSubkeyL(11) ^ CamelliaSubkeyR(11), dw = CAMELLIA_RL8(dw); |
987 | 0 | CamelliaSubkeyR(11) = CamelliaSubkeyL(11) ^ dw, CamelliaSubkeyL(11) = dw; |
988 | 0 | dw = CamelliaSubkeyL(12) ^ CamelliaSubkeyR(12), dw = CAMELLIA_RL8(dw); |
989 | 0 | CamelliaSubkeyR(12) = CamelliaSubkeyL(12) ^ dw, CamelliaSubkeyL(12) = dw; |
990 | 0 | dw = CamelliaSubkeyL(13) ^ CamelliaSubkeyR(13), dw = CAMELLIA_RL8(dw); |
991 | 0 | CamelliaSubkeyR(13) = CamelliaSubkeyL(13) ^ dw, CamelliaSubkeyL(13) = dw; |
992 | 0 | dw = CamelliaSubkeyL(14) ^ CamelliaSubkeyR(14), dw = CAMELLIA_RL8(dw); |
993 | 0 | CamelliaSubkeyR(14) = CamelliaSubkeyL(14) ^ dw, CamelliaSubkeyL(14) = dw; |
994 | 0 | dw = CamelliaSubkeyL(15) ^ CamelliaSubkeyR(15), dw = CAMELLIA_RL8(dw); |
995 | 0 | CamelliaSubkeyR(15) = CamelliaSubkeyL(15) ^ dw, CamelliaSubkeyL(15) = dw; |
996 | 0 | dw = CamelliaSubkeyL(18) ^ CamelliaSubkeyR(18), dw = CAMELLIA_RL8(dw); |
997 | 0 | CamelliaSubkeyR(18) = CamelliaSubkeyL(18) ^ dw, CamelliaSubkeyL(18) = dw; |
998 | 0 | dw = CamelliaSubkeyL(19) ^ CamelliaSubkeyR(19), dw = CAMELLIA_RL8(dw); |
999 | 0 | CamelliaSubkeyR(19) = CamelliaSubkeyL(19) ^ dw, CamelliaSubkeyL(19) = dw; |
1000 | 0 | dw = CamelliaSubkeyL(20) ^ CamelliaSubkeyR(20), dw = CAMELLIA_RL8(dw); |
1001 | 0 | CamelliaSubkeyR(20) = CamelliaSubkeyL(20) ^ dw, CamelliaSubkeyL(20) = dw; |
1002 | 0 | dw = CamelliaSubkeyL(21) ^ CamelliaSubkeyR(21), dw = CAMELLIA_RL8(dw); |
1003 | 0 | CamelliaSubkeyR(21) = CamelliaSubkeyL(21) ^ dw, CamelliaSubkeyL(21) = dw; |
1004 | 0 | dw = CamelliaSubkeyL(22) ^ CamelliaSubkeyR(22), dw = CAMELLIA_RL8(dw); |
1005 | 0 | CamelliaSubkeyR(22) = CamelliaSubkeyL(22) ^ dw, CamelliaSubkeyL(22) = dw; |
1006 | 0 | dw = CamelliaSubkeyL(23) ^ CamelliaSubkeyR(23), dw = CAMELLIA_RL8(dw); |
1007 | 0 | CamelliaSubkeyR(23) = CamelliaSubkeyL(23) ^ dw, CamelliaSubkeyL(23) = dw; |
1008 | 0 | dw = CamelliaSubkeyL(26) ^ CamelliaSubkeyR(26), dw = CAMELLIA_RL8(dw); |
1009 | 0 | CamelliaSubkeyR(26) = CamelliaSubkeyL(26) ^ dw, CamelliaSubkeyL(26) = dw; |
1010 | 0 | dw = CamelliaSubkeyL(27) ^ CamelliaSubkeyR(27), dw = CAMELLIA_RL8(dw); |
1011 | 0 | CamelliaSubkeyR(27) = CamelliaSubkeyL(27) ^ dw, CamelliaSubkeyL(27) = dw; |
1012 | 0 | dw = CamelliaSubkeyL(28) ^ CamelliaSubkeyR(28), dw = CAMELLIA_RL8(dw); |
1013 | 0 | CamelliaSubkeyR(28) = CamelliaSubkeyL(28) ^ dw, CamelliaSubkeyL(28) = dw; |
1014 | 0 | dw = CamelliaSubkeyL(29) ^ CamelliaSubkeyR(29), dw = CAMELLIA_RL8(dw); |
1015 | 0 | CamelliaSubkeyR(29) = CamelliaSubkeyL(29) ^ dw, CamelliaSubkeyL(29) = dw; |
1016 | 0 | dw = CamelliaSubkeyL(30) ^ CamelliaSubkeyR(30), dw = CAMELLIA_RL8(dw); |
1017 | 0 | CamelliaSubkeyR(30) = CamelliaSubkeyL(30) ^ dw, CamelliaSubkeyL(30) = dw; |
1018 | 0 | dw = CamelliaSubkeyL(31) ^ CamelliaSubkeyR(31), dw = CAMELLIA_RL8(dw); |
1019 | 0 | CamelliaSubkeyR(31) = CamelliaSubkeyL(31) ^ dw,CamelliaSubkeyL(31) = dw; |
1020 | |
|
1021 | 0 | #ifdef WOLFSSL_SMALL_STACK |
1022 | 0 | XFREE(subL, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
1023 | 0 | XFREE(subR, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
1024 | 0 | #endif |
1025 | |
|
1026 | 0 | return 0; |
1027 | 0 | } |
1028 | | |
1029 | | static int camellia_setup192(const unsigned char *key, u32 *subkey) |
1030 | 0 | { |
1031 | 0 | unsigned char kk[32]; |
1032 | 0 | u32 krll, krlr, krrl,krrr; |
1033 | |
|
1034 | 0 | XMEMCPY(kk, key, 24); |
1035 | 0 | XMEMCPY((unsigned char *)&krll, key+16,4); |
1036 | 0 | XMEMCPY((unsigned char *)&krlr, key+20,4); |
1037 | 0 | krrl = ~krll; |
1038 | 0 | krrr = ~krlr; |
1039 | 0 | XMEMCPY(kk+24, (unsigned char *)&krrl, 4); |
1040 | 0 | XMEMCPY(kk+28, (unsigned char *)&krrr, 4); |
1041 | |
|
1042 | 0 | return camellia_setup256(kk, subkey); |
1043 | 0 | } |
1044 | | |
1045 | | |
1046 | | /** |
1047 | | * Stuff related to camellia encryption/decryption |
1048 | | * |
1049 | | * "io" must be 4byte aligned and big-endian data. |
1050 | | */ |
1051 | | static void camellia_encrypt128(const u32 *subkey, u32 *io) |
1052 | 0 | { |
1053 | 0 | u32 il, ir, t0, t1; |
1054 | | |
1055 | | /* pre whitening but absorb kw2*/ |
1056 | 0 | io[0] ^= CamelliaSubkeyL(0); |
1057 | 0 | io[1] ^= CamelliaSubkeyR(0); |
1058 | | /* main iteration */ |
1059 | |
|
1060 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1061 | 0 | CamelliaSubkeyL(2),CamelliaSubkeyR(2), |
1062 | 0 | io[2],io[3],il,ir,t0,t1); |
1063 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1064 | 0 | CamelliaSubkeyL(3),CamelliaSubkeyR(3), |
1065 | 0 | io[0],io[1],il,ir,t0,t1); |
1066 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1067 | 0 | CamelliaSubkeyL(4),CamelliaSubkeyR(4), |
1068 | 0 | io[2],io[3],il,ir,t0,t1); |
1069 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1070 | 0 | CamelliaSubkeyL(5),CamelliaSubkeyR(5), |
1071 | 0 | io[0],io[1],il,ir,t0,t1); |
1072 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1073 | 0 | CamelliaSubkeyL(6),CamelliaSubkeyR(6), |
1074 | 0 | io[2],io[3],il,ir,t0,t1); |
1075 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1076 | 0 | CamelliaSubkeyL(7),CamelliaSubkeyR(7), |
1077 | 0 | io[0],io[1],il,ir,t0,t1); |
1078 | |
|
1079 | 0 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
1080 | 0 | CamelliaSubkeyL(8),CamelliaSubkeyR(8), |
1081 | 0 | CamelliaSubkeyL(9),CamelliaSubkeyR(9), |
1082 | 0 | t0,t1,il,ir); |
1083 | |
|
1084 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1085 | 0 | CamelliaSubkeyL(10),CamelliaSubkeyR(10), |
1086 | 0 | io[2],io[3],il,ir,t0,t1); |
1087 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1088 | 0 | CamelliaSubkeyL(11),CamelliaSubkeyR(11), |
1089 | 0 | io[0],io[1],il,ir,t0,t1); |
1090 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1091 | 0 | CamelliaSubkeyL(12),CamelliaSubkeyR(12), |
1092 | 0 | io[2],io[3],il,ir,t0,t1); |
1093 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1094 | 0 | CamelliaSubkeyL(13),CamelliaSubkeyR(13), |
1095 | 0 | io[0],io[1],il,ir,t0,t1); |
1096 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1097 | 0 | CamelliaSubkeyL(14),CamelliaSubkeyR(14), |
1098 | 0 | io[2],io[3],il,ir,t0,t1); |
1099 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1100 | 0 | CamelliaSubkeyL(15),CamelliaSubkeyR(15), |
1101 | 0 | io[0],io[1],il,ir,t0,t1); |
1102 | |
|
1103 | 0 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
1104 | 0 | CamelliaSubkeyL(16),CamelliaSubkeyR(16), |
1105 | 0 | CamelliaSubkeyL(17),CamelliaSubkeyR(17), |
1106 | 0 | t0,t1,il,ir); |
1107 | |
|
1108 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1109 | 0 | CamelliaSubkeyL(18),CamelliaSubkeyR(18), |
1110 | 0 | io[2],io[3],il,ir,t0,t1); |
1111 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1112 | 0 | CamelliaSubkeyL(19),CamelliaSubkeyR(19), |
1113 | 0 | io[0],io[1],il,ir,t0,t1); |
1114 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1115 | 0 | CamelliaSubkeyL(20),CamelliaSubkeyR(20), |
1116 | 0 | io[2],io[3],il,ir,t0,t1); |
1117 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1118 | 0 | CamelliaSubkeyL(21),CamelliaSubkeyR(21), |
1119 | 0 | io[0],io[1],il,ir,t0,t1); |
1120 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1121 | 0 | CamelliaSubkeyL(22),CamelliaSubkeyR(22), |
1122 | 0 | io[2],io[3],il,ir,t0,t1); |
1123 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1124 | 0 | CamelliaSubkeyL(23),CamelliaSubkeyR(23), |
1125 | 0 | io[0],io[1],il,ir,t0,t1); |
1126 | | |
1127 | | /* post whitening but kw4 */ |
1128 | 0 | io[2] ^= CamelliaSubkeyL(24); |
1129 | 0 | io[3] ^= CamelliaSubkeyR(24); |
1130 | |
|
1131 | 0 | t0 = io[0]; |
1132 | 0 | t1 = io[1]; |
1133 | 0 | io[0] = io[2]; |
1134 | 0 | io[1] = io[3]; |
1135 | 0 | io[2] = t0; |
1136 | 0 | io[3] = t1; |
1137 | |
|
1138 | 0 | return; |
1139 | 0 | } |
1140 | | |
1141 | | static void camellia_decrypt128(const u32 *subkey, u32 *io) |
1142 | 0 | { |
1143 | 0 | u32 il,ir,t0,t1; /* temporary variables */ |
1144 | | |
1145 | | /* pre whitening but absorb kw2*/ |
1146 | 0 | io[0] ^= CamelliaSubkeyL(24); |
1147 | 0 | io[1] ^= CamelliaSubkeyR(24); |
1148 | | |
1149 | | /* main iteration */ |
1150 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1151 | 0 | CamelliaSubkeyL(23),CamelliaSubkeyR(23), |
1152 | 0 | io[2],io[3],il,ir,t0,t1); |
1153 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1154 | 0 | CamelliaSubkeyL(22),CamelliaSubkeyR(22), |
1155 | 0 | io[0],io[1],il,ir,t0,t1); |
1156 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1157 | 0 | CamelliaSubkeyL(21),CamelliaSubkeyR(21), |
1158 | 0 | io[2],io[3],il,ir,t0,t1); |
1159 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1160 | 0 | CamelliaSubkeyL(20),CamelliaSubkeyR(20), |
1161 | 0 | io[0],io[1],il,ir,t0,t1); |
1162 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1163 | 0 | CamelliaSubkeyL(19),CamelliaSubkeyR(19), |
1164 | 0 | io[2],io[3],il,ir,t0,t1); |
1165 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1166 | 0 | CamelliaSubkeyL(18),CamelliaSubkeyR(18), |
1167 | 0 | io[0],io[1],il,ir,t0,t1); |
1168 | |
|
1169 | 0 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
1170 | 0 | CamelliaSubkeyL(17),CamelliaSubkeyR(17), |
1171 | 0 | CamelliaSubkeyL(16),CamelliaSubkeyR(16), |
1172 | 0 | t0,t1,il,ir); |
1173 | |
|
1174 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1175 | 0 | CamelliaSubkeyL(15),CamelliaSubkeyR(15), |
1176 | 0 | io[2],io[3],il,ir,t0,t1); |
1177 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1178 | 0 | CamelliaSubkeyL(14),CamelliaSubkeyR(14), |
1179 | 0 | io[0],io[1],il,ir,t0,t1); |
1180 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1181 | 0 | CamelliaSubkeyL(13),CamelliaSubkeyR(13), |
1182 | 0 | io[2],io[3],il,ir,t0,t1); |
1183 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1184 | 0 | CamelliaSubkeyL(12),CamelliaSubkeyR(12), |
1185 | 0 | io[0],io[1],il,ir,t0,t1); |
1186 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1187 | 0 | CamelliaSubkeyL(11),CamelliaSubkeyR(11), |
1188 | 0 | io[2],io[3],il,ir,t0,t1); |
1189 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1190 | 0 | CamelliaSubkeyL(10),CamelliaSubkeyR(10), |
1191 | 0 | io[0],io[1],il,ir,t0,t1); |
1192 | |
|
1193 | 0 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
1194 | 0 | CamelliaSubkeyL(9),CamelliaSubkeyR(9), |
1195 | 0 | CamelliaSubkeyL(8),CamelliaSubkeyR(8), |
1196 | 0 | t0,t1,il,ir); |
1197 | |
|
1198 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1199 | 0 | CamelliaSubkeyL(7),CamelliaSubkeyR(7), |
1200 | 0 | io[2],io[3],il,ir,t0,t1); |
1201 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1202 | 0 | CamelliaSubkeyL(6),CamelliaSubkeyR(6), |
1203 | 0 | io[0],io[1],il,ir,t0,t1); |
1204 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1205 | 0 | CamelliaSubkeyL(5),CamelliaSubkeyR(5), |
1206 | 0 | io[2],io[3],il,ir,t0,t1); |
1207 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1208 | 0 | CamelliaSubkeyL(4),CamelliaSubkeyR(4), |
1209 | 0 | io[0],io[1],il,ir,t0,t1); |
1210 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1211 | 0 | CamelliaSubkeyL(3),CamelliaSubkeyR(3), |
1212 | 0 | io[2],io[3],il,ir,t0,t1); |
1213 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1214 | 0 | CamelliaSubkeyL(2),CamelliaSubkeyR(2), |
1215 | 0 | io[0],io[1],il,ir,t0,t1); |
1216 | | |
1217 | | /* post whitening but kw4 */ |
1218 | 0 | io[2] ^= CamelliaSubkeyL(0); |
1219 | 0 | io[3] ^= CamelliaSubkeyR(0); |
1220 | |
|
1221 | 0 | t0 = io[0]; |
1222 | 0 | t1 = io[1]; |
1223 | 0 | io[0] = io[2]; |
1224 | 0 | io[1] = io[3]; |
1225 | 0 | io[2] = t0; |
1226 | 0 | io[3] = t1; |
1227 | |
|
1228 | 0 | return; |
1229 | 0 | } |
1230 | | |
1231 | | /** |
1232 | | * stuff for 192 and 256bit encryption/decryption |
1233 | | */ |
1234 | | static void camellia_encrypt256(const u32 *subkey, u32 *io) |
1235 | 0 | { |
1236 | 0 | u32 il,ir,t0,t1; /* temporary variables */ |
1237 | | |
1238 | | /* pre whitening but absorb kw2*/ |
1239 | 0 | io[0] ^= CamelliaSubkeyL(0); |
1240 | 0 | io[1] ^= CamelliaSubkeyR(0); |
1241 | | |
1242 | | /* main iteration */ |
1243 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1244 | 0 | CamelliaSubkeyL(2),CamelliaSubkeyR(2), |
1245 | 0 | io[2],io[3],il,ir,t0,t1); |
1246 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1247 | 0 | CamelliaSubkeyL(3),CamelliaSubkeyR(3), |
1248 | 0 | io[0],io[1],il,ir,t0,t1); |
1249 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1250 | 0 | CamelliaSubkeyL(4),CamelliaSubkeyR(4), |
1251 | 0 | io[2],io[3],il,ir,t0,t1); |
1252 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1253 | 0 | CamelliaSubkeyL(5),CamelliaSubkeyR(5), |
1254 | 0 | io[0],io[1],il,ir,t0,t1); |
1255 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1256 | 0 | CamelliaSubkeyL(6),CamelliaSubkeyR(6), |
1257 | 0 | io[2],io[3],il,ir,t0,t1); |
1258 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1259 | 0 | CamelliaSubkeyL(7),CamelliaSubkeyR(7), |
1260 | 0 | io[0],io[1],il,ir,t0,t1); |
1261 | |
|
1262 | 0 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
1263 | 0 | CamelliaSubkeyL(8),CamelliaSubkeyR(8), |
1264 | 0 | CamelliaSubkeyL(9),CamelliaSubkeyR(9), |
1265 | 0 | t0,t1,il,ir); |
1266 | |
|
1267 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1268 | 0 | CamelliaSubkeyL(10),CamelliaSubkeyR(10), |
1269 | 0 | io[2],io[3],il,ir,t0,t1); |
1270 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1271 | 0 | CamelliaSubkeyL(11),CamelliaSubkeyR(11), |
1272 | 0 | io[0],io[1],il,ir,t0,t1); |
1273 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1274 | 0 | CamelliaSubkeyL(12),CamelliaSubkeyR(12), |
1275 | 0 | io[2],io[3],il,ir,t0,t1); |
1276 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1277 | 0 | CamelliaSubkeyL(13),CamelliaSubkeyR(13), |
1278 | 0 | io[0],io[1],il,ir,t0,t1); |
1279 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1280 | 0 | CamelliaSubkeyL(14),CamelliaSubkeyR(14), |
1281 | 0 | io[2],io[3],il,ir,t0,t1); |
1282 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1283 | 0 | CamelliaSubkeyL(15),CamelliaSubkeyR(15), |
1284 | 0 | io[0],io[1],il,ir,t0,t1); |
1285 | |
|
1286 | 0 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
1287 | 0 | CamelliaSubkeyL(16),CamelliaSubkeyR(16), |
1288 | 0 | CamelliaSubkeyL(17),CamelliaSubkeyR(17), |
1289 | 0 | t0,t1,il,ir); |
1290 | |
|
1291 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1292 | 0 | CamelliaSubkeyL(18),CamelliaSubkeyR(18), |
1293 | 0 | io[2],io[3],il,ir,t0,t1); |
1294 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1295 | 0 | CamelliaSubkeyL(19),CamelliaSubkeyR(19), |
1296 | 0 | io[0],io[1],il,ir,t0,t1); |
1297 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1298 | 0 | CamelliaSubkeyL(20),CamelliaSubkeyR(20), |
1299 | 0 | io[2],io[3],il,ir,t0,t1); |
1300 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1301 | 0 | CamelliaSubkeyL(21),CamelliaSubkeyR(21), |
1302 | 0 | io[0],io[1],il,ir,t0,t1); |
1303 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1304 | 0 | CamelliaSubkeyL(22),CamelliaSubkeyR(22), |
1305 | 0 | io[2],io[3],il,ir,t0,t1); |
1306 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1307 | 0 | CamelliaSubkeyL(23),CamelliaSubkeyR(23), |
1308 | 0 | io[0],io[1],il,ir,t0,t1); |
1309 | |
|
1310 | 0 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
1311 | 0 | CamelliaSubkeyL(24),CamelliaSubkeyR(24), |
1312 | 0 | CamelliaSubkeyL(25),CamelliaSubkeyR(25), |
1313 | 0 | t0,t1,il,ir); |
1314 | |
|
1315 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1316 | 0 | CamelliaSubkeyL(26),CamelliaSubkeyR(26), |
1317 | 0 | io[2],io[3],il,ir,t0,t1); |
1318 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1319 | 0 | CamelliaSubkeyL(27),CamelliaSubkeyR(27), |
1320 | 0 | io[0],io[1],il,ir,t0,t1); |
1321 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1322 | 0 | CamelliaSubkeyL(28),CamelliaSubkeyR(28), |
1323 | 0 | io[2],io[3],il,ir,t0,t1); |
1324 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1325 | 0 | CamelliaSubkeyL(29),CamelliaSubkeyR(29), |
1326 | 0 | io[0],io[1],il,ir,t0,t1); |
1327 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1328 | 0 | CamelliaSubkeyL(30),CamelliaSubkeyR(30), |
1329 | 0 | io[2],io[3],il,ir,t0,t1); |
1330 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1331 | 0 | CamelliaSubkeyL(31),CamelliaSubkeyR(31), |
1332 | 0 | io[0],io[1],il,ir,t0,t1); |
1333 | | |
1334 | | /* post whitening but kw4 */ |
1335 | 0 | io[2] ^= CamelliaSubkeyL(32); |
1336 | 0 | io[3] ^= CamelliaSubkeyR(32); |
1337 | |
|
1338 | 0 | t0 = io[0]; |
1339 | 0 | t1 = io[1]; |
1340 | 0 | io[0] = io[2]; |
1341 | 0 | io[1] = io[3]; |
1342 | 0 | io[2] = t0; |
1343 | 0 | io[3] = t1; |
1344 | |
|
1345 | 0 | return; |
1346 | 0 | } |
1347 | | |
1348 | | static void camellia_decrypt256(const u32 *subkey, u32 *io) |
1349 | 0 | { |
1350 | 0 | u32 il,ir,t0,t1; /* temporary variables */ |
1351 | | |
1352 | | /* pre whitening but absorb kw2*/ |
1353 | 0 | io[0] ^= CamelliaSubkeyL(32); |
1354 | 0 | io[1] ^= CamelliaSubkeyR(32); |
1355 | | |
1356 | | /* main iteration */ |
1357 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1358 | 0 | CamelliaSubkeyL(31),CamelliaSubkeyR(31), |
1359 | 0 | io[2],io[3],il,ir,t0,t1); |
1360 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1361 | 0 | CamelliaSubkeyL(30),CamelliaSubkeyR(30), |
1362 | 0 | io[0],io[1],il,ir,t0,t1); |
1363 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1364 | 0 | CamelliaSubkeyL(29),CamelliaSubkeyR(29), |
1365 | 0 | io[2],io[3],il,ir,t0,t1); |
1366 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1367 | 0 | CamelliaSubkeyL(28),CamelliaSubkeyR(28), |
1368 | 0 | io[0],io[1],il,ir,t0,t1); |
1369 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1370 | 0 | CamelliaSubkeyL(27),CamelliaSubkeyR(27), |
1371 | 0 | io[2],io[3],il,ir,t0,t1); |
1372 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1373 | 0 | CamelliaSubkeyL(26),CamelliaSubkeyR(26), |
1374 | 0 | io[0],io[1],il,ir,t0,t1); |
1375 | |
|
1376 | 0 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
1377 | 0 | CamelliaSubkeyL(25),CamelliaSubkeyR(25), |
1378 | 0 | CamelliaSubkeyL(24),CamelliaSubkeyR(24), |
1379 | 0 | t0,t1,il,ir); |
1380 | |
|
1381 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1382 | 0 | CamelliaSubkeyL(23),CamelliaSubkeyR(23), |
1383 | 0 | io[2],io[3],il,ir,t0,t1); |
1384 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1385 | 0 | CamelliaSubkeyL(22),CamelliaSubkeyR(22), |
1386 | 0 | io[0],io[1],il,ir,t0,t1); |
1387 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1388 | 0 | CamelliaSubkeyL(21),CamelliaSubkeyR(21), |
1389 | 0 | io[2],io[3],il,ir,t0,t1); |
1390 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1391 | 0 | CamelliaSubkeyL(20),CamelliaSubkeyR(20), |
1392 | 0 | io[0],io[1],il,ir,t0,t1); |
1393 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1394 | 0 | CamelliaSubkeyL(19),CamelliaSubkeyR(19), |
1395 | 0 | io[2],io[3],il,ir,t0,t1); |
1396 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1397 | 0 | CamelliaSubkeyL(18),CamelliaSubkeyR(18), |
1398 | 0 | io[0],io[1],il,ir,t0,t1); |
1399 | |
|
1400 | 0 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
1401 | 0 | CamelliaSubkeyL(17),CamelliaSubkeyR(17), |
1402 | 0 | CamelliaSubkeyL(16),CamelliaSubkeyR(16), |
1403 | 0 | t0,t1,il,ir); |
1404 | |
|
1405 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1406 | 0 | CamelliaSubkeyL(15),CamelliaSubkeyR(15), |
1407 | 0 | io[2],io[3],il,ir,t0,t1); |
1408 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1409 | 0 | CamelliaSubkeyL(14),CamelliaSubkeyR(14), |
1410 | 0 | io[0],io[1],il,ir,t0,t1); |
1411 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1412 | 0 | CamelliaSubkeyL(13),CamelliaSubkeyR(13), |
1413 | 0 | io[2],io[3],il,ir,t0,t1); |
1414 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1415 | 0 | CamelliaSubkeyL(12),CamelliaSubkeyR(12), |
1416 | 0 | io[0],io[1],il,ir,t0,t1); |
1417 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1418 | 0 | CamelliaSubkeyL(11),CamelliaSubkeyR(11), |
1419 | 0 | io[2],io[3],il,ir,t0,t1); |
1420 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1421 | 0 | CamelliaSubkeyL(10),CamelliaSubkeyR(10), |
1422 | 0 | io[0],io[1],il,ir,t0,t1); |
1423 | |
|
1424 | 0 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], |
1425 | 0 | CamelliaSubkeyL(9),CamelliaSubkeyR(9), |
1426 | 0 | CamelliaSubkeyL(8),CamelliaSubkeyR(8), |
1427 | 0 | t0,t1,il,ir); |
1428 | |
|
1429 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1430 | 0 | CamelliaSubkeyL(7),CamelliaSubkeyR(7), |
1431 | 0 | io[2],io[3],il,ir,t0,t1); |
1432 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1433 | 0 | CamelliaSubkeyL(6),CamelliaSubkeyR(6), |
1434 | 0 | io[0],io[1],il,ir,t0,t1); |
1435 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1436 | 0 | CamelliaSubkeyL(5),CamelliaSubkeyR(5), |
1437 | 0 | io[2],io[3],il,ir,t0,t1); |
1438 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1439 | 0 | CamelliaSubkeyL(4),CamelliaSubkeyR(4), |
1440 | 0 | io[0],io[1],il,ir,t0,t1); |
1441 | 0 | CAMELLIA_ROUNDSM(io[0],io[1], |
1442 | 0 | CamelliaSubkeyL(3),CamelliaSubkeyR(3), |
1443 | 0 | io[2],io[3],il,ir,t0,t1); |
1444 | 0 | CAMELLIA_ROUNDSM(io[2],io[3], |
1445 | 0 | CamelliaSubkeyL(2),CamelliaSubkeyR(2), |
1446 | 0 | io[0],io[1],il,ir,t0,t1); |
1447 | | |
1448 | | /* post whitening but kw4 */ |
1449 | 0 | io[2] ^= CamelliaSubkeyL(0); |
1450 | 0 | io[3] ^= CamelliaSubkeyR(0); |
1451 | |
|
1452 | 0 | t0 = io[0]; |
1453 | 0 | t1 = io[1]; |
1454 | 0 | io[0] = io[2]; |
1455 | 0 | io[1] = io[3]; |
1456 | 0 | io[2] = t0; |
1457 | 0 | io[3] = t1; |
1458 | |
|
1459 | 0 | return; |
1460 | 0 | } |
1461 | | |
1462 | | /*** |
1463 | | * |
1464 | | * API for compatibility |
1465 | | */ |
1466 | | |
1467 | | static void Camellia_EncryptBlock(const int keyBitLength, |
1468 | | const unsigned char *plaintext, |
1469 | | const KEY_TABLE_TYPE keyTable, |
1470 | | unsigned char *ciphertext) |
1471 | 0 | { |
1472 | 0 | u32 tmp[4]; |
1473 | |
|
1474 | 0 | tmp[0] = GETU32(plaintext); |
1475 | 0 | tmp[1] = GETU32(plaintext + 4); |
1476 | 0 | tmp[2] = GETU32(plaintext + 8); |
1477 | 0 | tmp[3] = GETU32(plaintext + 12); |
1478 | |
|
1479 | 0 | switch (keyBitLength) { |
1480 | 0 | case 128: |
1481 | 0 | camellia_encrypt128(keyTable, tmp); |
1482 | 0 | break; |
1483 | 0 | case 192: |
1484 | | /* fall through */ |
1485 | 0 | case 256: |
1486 | 0 | camellia_encrypt256(keyTable, tmp); |
1487 | 0 | break; |
1488 | 0 | default: |
1489 | 0 | break; |
1490 | 0 | } |
1491 | | |
1492 | 0 | PUTU32(ciphertext, tmp[0]); |
1493 | 0 | PUTU32(ciphertext + 4, tmp[1]); |
1494 | 0 | PUTU32(ciphertext + 8, tmp[2]); |
1495 | 0 | PUTU32(ciphertext + 12, tmp[3]); |
1496 | 0 | } |
1497 | | |
1498 | | static void Camellia_DecryptBlock(const int keyBitLength, |
1499 | | const unsigned char *ciphertext, |
1500 | | const KEY_TABLE_TYPE keyTable, |
1501 | | unsigned char *plaintext) |
1502 | 0 | { |
1503 | 0 | u32 tmp[4]; |
1504 | |
|
1505 | 0 | tmp[0] = GETU32(ciphertext); |
1506 | 0 | tmp[1] = GETU32(ciphertext + 4); |
1507 | 0 | tmp[2] = GETU32(ciphertext + 8); |
1508 | 0 | tmp[3] = GETU32(ciphertext + 12); |
1509 | |
|
1510 | 0 | switch (keyBitLength) { |
1511 | 0 | case 128: |
1512 | 0 | camellia_decrypt128(keyTable, tmp); |
1513 | 0 | break; |
1514 | 0 | case 192: |
1515 | | /* fall through */ |
1516 | 0 | case 256: |
1517 | 0 | camellia_decrypt256(keyTable, tmp); |
1518 | 0 | break; |
1519 | 0 | default: |
1520 | 0 | break; |
1521 | 0 | } |
1522 | 0 | PUTU32(plaintext, tmp[0]); |
1523 | 0 | PUTU32(plaintext + 4, tmp[1]); |
1524 | 0 | PUTU32(plaintext + 8, tmp[2]); |
1525 | 0 | PUTU32(plaintext + 12, tmp[3]); |
1526 | 0 | } |
1527 | | |
1528 | | |
1529 | | |
1530 | | /* wolfCrypt wrappers to the Camellia code */ |
1531 | | |
1532 | | int wc_CamelliaSetKey(Camellia* cam, const byte* key, word32 len, const byte* iv) |
1533 | 0 | { |
1534 | 0 | int ret = 0; |
1535 | |
|
1536 | 0 | if (cam == NULL) return BAD_FUNC_ARG; |
1537 | | |
1538 | 0 | XMEMSET(cam->key, 0, CAMELLIA_TABLE_BYTE_LEN); |
1539 | |
|
1540 | 0 | switch (len) { |
1541 | 0 | case 16: |
1542 | 0 | ret = camellia_setup128(key, cam->key); |
1543 | 0 | break; |
1544 | 0 | case 24: |
1545 | 0 | ret = camellia_setup192(key, cam->key); |
1546 | 0 | break; |
1547 | 0 | case 32: |
1548 | 0 | ret = camellia_setup256(key, cam->key); |
1549 | 0 | break; |
1550 | 0 | default: |
1551 | 0 | ret = BAD_FUNC_ARG; |
1552 | 0 | } |
1553 | | |
1554 | 0 | if (ret != 0) |
1555 | 0 | return ret; |
1556 | | |
1557 | 0 | cam->keySz = len * 8; |
1558 | |
|
1559 | 0 | return wc_CamelliaSetIV(cam, iv); |
1560 | 0 | } |
1561 | | |
1562 | | |
1563 | | int wc_CamelliaSetIV(Camellia* cam, const byte* iv) |
1564 | 0 | { |
1565 | 0 | if (cam == NULL) |
1566 | 0 | return BAD_FUNC_ARG; |
1567 | | |
1568 | 0 | if (iv) |
1569 | 0 | XMEMCPY(cam->reg, iv, CAMELLIA_BLOCK_SIZE); |
1570 | 0 | else |
1571 | 0 | XMEMSET(cam->reg, 0, CAMELLIA_BLOCK_SIZE); |
1572 | |
|
1573 | 0 | return 0; |
1574 | 0 | } |
1575 | | |
1576 | | |
1577 | | int wc_CamelliaEncryptDirect(Camellia* cam, byte* out, const byte* in) |
1578 | 0 | { |
1579 | 0 | if (cam == NULL || out == NULL || in == NULL) { |
1580 | 0 | return BAD_FUNC_ARG; |
1581 | 0 | } |
1582 | 0 | Camellia_EncryptBlock(cam->keySz, in, cam->key, out); |
1583 | |
|
1584 | 0 | return 0; |
1585 | 0 | } |
1586 | | |
1587 | | |
1588 | | int wc_CamelliaDecryptDirect(Camellia* cam, byte* out, const byte* in) |
1589 | 0 | { |
1590 | 0 | if (cam == NULL || out == NULL || in == NULL) { |
1591 | 0 | return BAD_FUNC_ARG; |
1592 | 0 | } |
1593 | 0 | Camellia_DecryptBlock(cam->keySz, in, cam->key, out); |
1594 | |
|
1595 | 0 | return 0; |
1596 | 0 | } |
1597 | | |
1598 | | |
1599 | | int wc_CamelliaCbcEncrypt(Camellia* cam, byte* out, const byte* in, word32 sz) |
1600 | 0 | { |
1601 | 0 | word32 blocks; |
1602 | 0 | if (cam == NULL || out == NULL || in == NULL) { |
1603 | 0 | return BAD_FUNC_ARG; |
1604 | 0 | } |
1605 | 0 | blocks = sz / CAMELLIA_BLOCK_SIZE; |
1606 | |
|
1607 | 0 | while (blocks--) { |
1608 | 0 | xorbuf((byte*)cam->reg, in, CAMELLIA_BLOCK_SIZE); |
1609 | 0 | Camellia_EncryptBlock(cam->keySz, (byte*)cam->reg, |
1610 | 0 | cam->key, (byte*)cam->reg); |
1611 | 0 | XMEMCPY(out, cam->reg, CAMELLIA_BLOCK_SIZE); |
1612 | |
|
1613 | 0 | out += CAMELLIA_BLOCK_SIZE; |
1614 | 0 | in += CAMELLIA_BLOCK_SIZE; |
1615 | 0 | } |
1616 | |
|
1617 | 0 | return 0; |
1618 | 0 | } |
1619 | | |
1620 | | |
1621 | | int wc_CamelliaCbcDecrypt(Camellia* cam, byte* out, const byte* in, word32 sz) |
1622 | 0 | { |
1623 | 0 | word32 blocks; |
1624 | 0 | if (cam == NULL || out == NULL || in == NULL) { |
1625 | 0 | return BAD_FUNC_ARG; |
1626 | 0 | } |
1627 | 0 | blocks = sz / CAMELLIA_BLOCK_SIZE; |
1628 | |
|
1629 | 0 | while (blocks--) { |
1630 | 0 | XMEMCPY(cam->tmp, in, CAMELLIA_BLOCK_SIZE); |
1631 | 0 | Camellia_DecryptBlock(cam->keySz, (byte*)cam->tmp, cam->key, out); |
1632 | 0 | xorbuf(out, (byte*)cam->reg, CAMELLIA_BLOCK_SIZE); |
1633 | 0 | XMEMCPY(cam->reg, cam->tmp, CAMELLIA_BLOCK_SIZE); |
1634 | |
|
1635 | 0 | out += CAMELLIA_BLOCK_SIZE; |
1636 | 0 | in += CAMELLIA_BLOCK_SIZE; |
1637 | 0 | } |
1638 | |
|
1639 | 0 | return 0; |
1640 | 0 | } |
1641 | | |
1642 | | |
1643 | | #endif /* HAVE_CAMELLIA */ |
1644 | | |