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d64beac0 NT |
1 | /* |
2 | * Copyright (C) 2006 | |
3 | * NTT (Nippon Telegraph and Telephone Corporation). | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or | |
6 | * modify it under the terms of the GNU General Public License | |
7 | * as published by the Free Software Foundation; either version 2 | |
8 | * of the License, or (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
18 | */ | |
19 | ||
20 | /* | |
21 | * Algorithm Specification | |
22 | * http://info.isl.ntt.co.jp/crypt/eng/camellia/specifications.html | |
23 | */ | |
24 | ||
25 | /* | |
26 | * | |
27 | * NOTE --- NOTE --- NOTE --- NOTE | |
28 | * This implementation assumes that all memory addresses passed | |
29 | * as parameters are four-byte aligned. | |
30 | * | |
31 | */ | |
32 | ||
33 | #include <linux/crypto.h> | |
34 | #include <linux/errno.h> | |
35 | #include <linux/init.h> | |
36 | #include <linux/kernel.h> | |
37 | #include <linux/module.h> | |
38 | ||
39 | ||
40 | #define CAMELLIA_MIN_KEY_SIZE 16 | |
41 | #define CAMELLIA_MAX_KEY_SIZE 32 | |
42 | #define CAMELLIA_BLOCK_SIZE 16 | |
43 | #define CAMELLIA_TABLE_BYTE_LEN 272 | |
44 | #define CAMELLIA_TABLE_WORD_LEN (CAMELLIA_TABLE_BYTE_LEN / 4) | |
45 | ||
46 | typedef u32 KEY_TABLE_TYPE[CAMELLIA_TABLE_WORD_LEN]; | |
47 | ||
48 | ||
49 | /* key constants */ | |
50 | ||
51 | #define CAMELLIA_SIGMA1L (0xA09E667FL) | |
52 | #define CAMELLIA_SIGMA1R (0x3BCC908BL) | |
53 | #define CAMELLIA_SIGMA2L (0xB67AE858L) | |
54 | #define CAMELLIA_SIGMA2R (0x4CAA73B2L) | |
55 | #define CAMELLIA_SIGMA3L (0xC6EF372FL) | |
56 | #define CAMELLIA_SIGMA3R (0xE94F82BEL) | |
57 | #define CAMELLIA_SIGMA4L (0x54FF53A5L) | |
58 | #define CAMELLIA_SIGMA4R (0xF1D36F1CL) | |
59 | #define CAMELLIA_SIGMA5L (0x10E527FAL) | |
60 | #define CAMELLIA_SIGMA5R (0xDE682D1DL) | |
61 | #define CAMELLIA_SIGMA6L (0xB05688C2L) | |
62 | #define CAMELLIA_SIGMA6R (0xB3E6C1FDL) | |
63 | ||
64 | struct camellia_ctx { | |
65 | int key_length; | |
66 | KEY_TABLE_TYPE key_table; | |
67 | }; | |
68 | ||
69 | ||
70 | /* | |
71 | * macros | |
72 | */ | |
73 | ||
74 | ||
75 | # define GETU32(pt) (((u32)(pt)[0] << 24) \ | |
76 | ^ ((u32)(pt)[1] << 16) \ | |
77 | ^ ((u32)(pt)[2] << 8) \ | |
78 | ^ ((u32)(pt)[3])) | |
79 | ||
80 | #define COPY4WORD(dst, src) \ | |
81 | do { \ | |
82 | (dst)[0]=(src)[0]; \ | |
83 | (dst)[1]=(src)[1]; \ | |
84 | (dst)[2]=(src)[2]; \ | |
85 | (dst)[3]=(src)[3]; \ | |
86 | }while(0) | |
87 | ||
88 | #define SWAP4WORD(word) \ | |
89 | do { \ | |
90 | CAMELLIA_SWAP4((word)[0]); \ | |
91 | CAMELLIA_SWAP4((word)[1]); \ | |
92 | CAMELLIA_SWAP4((word)[2]); \ | |
93 | CAMELLIA_SWAP4((word)[3]); \ | |
94 | }while(0) | |
95 | ||
96 | #define XOR4WORD(a, b)/* a = a ^ b */ \ | |
97 | do { \ | |
98 | (a)[0]^=(b)[0]; \ | |
99 | (a)[1]^=(b)[1]; \ | |
100 | (a)[2]^=(b)[2]; \ | |
101 | (a)[3]^=(b)[3]; \ | |
102 | }while(0) | |
103 | ||
104 | #define XOR4WORD2(a, b, c)/* a = b ^ c */ \ | |
105 | do { \ | |
106 | (a)[0]=(b)[0]^(c)[0]; \ | |
107 | (a)[1]=(b)[1]^(c)[1]; \ | |
108 | (a)[2]=(b)[2]^(c)[2]; \ | |
109 | (a)[3]=(b)[3]^(c)[3]; \ | |
110 | }while(0) | |
111 | ||
112 | #define CAMELLIA_SUBKEY_L(INDEX) (subkey[(INDEX)*2]) | |
113 | #define CAMELLIA_SUBKEY_R(INDEX) (subkey[(INDEX)*2 + 1]) | |
114 | ||
115 | /* rotation right shift 1byte */ | |
116 | #define CAMELLIA_RR8(x) (((x) >> 8) + ((x) << 24)) | |
117 | /* rotation left shift 1bit */ | |
118 | #define CAMELLIA_RL1(x) (((x) << 1) + ((x) >> 31)) | |
119 | /* rotation left shift 1byte */ | |
120 | #define CAMELLIA_RL8(x) (((x) << 8) + ((x) >> 24)) | |
121 | ||
122 | #define CAMELLIA_ROLDQ(ll, lr, rl, rr, w0, w1, bits) \ | |
123 | do { \ | |
124 | w0 = ll; \ | |
125 | ll = (ll << bits) + (lr >> (32 - bits)); \ | |
126 | lr = (lr << bits) + (rl >> (32 - bits)); \ | |
127 | rl = (rl << bits) + (rr >> (32 - bits)); \ | |
128 | rr = (rr << bits) + (w0 >> (32 - bits)); \ | |
129 | } while(0) | |
130 | ||
131 | #define CAMELLIA_ROLDQo32(ll, lr, rl, rr, w0, w1, bits) \ | |
132 | do { \ | |
133 | w0 = ll; \ | |
134 | w1 = lr; \ | |
135 | ll = (lr << (bits - 32)) + (rl >> (64 - bits)); \ | |
136 | lr = (rl << (bits - 32)) + (rr >> (64 - bits)); \ | |
137 | rl = (rr << (bits - 32)) + (w0 >> (64 - bits)); \ | |
138 | rr = (w0 << (bits - 32)) + (w1 >> (64 - bits)); \ | |
139 | } while(0) | |
140 | ||
141 | #define CAMELLIA_SP1110(INDEX) (camellia_sp1110[(INDEX)]) | |
142 | #define CAMELLIA_SP0222(INDEX) (camellia_sp0222[(INDEX)]) | |
143 | #define CAMELLIA_SP3033(INDEX) (camellia_sp3033[(INDEX)]) | |
144 | #define CAMELLIA_SP4404(INDEX) (camellia_sp4404[(INDEX)]) | |
145 | ||
146 | #define CAMELLIA_F(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \ | |
147 | do { \ | |
148 | il = xl ^ kl; \ | |
149 | ir = xr ^ kr; \ | |
150 | t0 = il >> 16; \ | |
151 | t1 = ir >> 16; \ | |
152 | yl = CAMELLIA_SP1110(ir & 0xff) \ | |
153 | ^ CAMELLIA_SP0222((t1 >> 8) & 0xff) \ | |
154 | ^ CAMELLIA_SP3033(t1 & 0xff) \ | |
155 | ^ CAMELLIA_SP4404((ir >> 8) & 0xff); \ | |
156 | yr = CAMELLIA_SP1110((t0 >> 8) & 0xff) \ | |
157 | ^ CAMELLIA_SP0222(t0 & 0xff) \ | |
158 | ^ CAMELLIA_SP3033((il >> 8) & 0xff) \ | |
159 | ^ CAMELLIA_SP4404(il & 0xff); \ | |
160 | yl ^= yr; \ | |
161 | yr = CAMELLIA_RR8(yr); \ | |
162 | yr ^= yl; \ | |
163 | } while(0) | |
164 | ||
165 | ||
166 | /* | |
167 | * for speed up | |
168 | * | |
169 | */ | |
170 | #define CAMELLIA_FLS(ll, lr, rl, rr, kll, klr, krl, krr, t0, t1, t2, t3) \ | |
171 | do { \ | |
172 | t0 = kll; \ | |
173 | t2 = krr; \ | |
174 | t0 &= ll; \ | |
175 | t2 |= rr; \ | |
176 | rl ^= t2; \ | |
177 | lr ^= CAMELLIA_RL1(t0); \ | |
178 | t3 = krl; \ | |
179 | t1 = klr; \ | |
180 | t3 &= rl; \ | |
181 | t1 |= lr; \ | |
182 | ll ^= t1; \ | |
183 | rr ^= CAMELLIA_RL1(t3); \ | |
184 | } while(0) | |
185 | ||
186 | #define CAMELLIA_ROUNDSM(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \ | |
187 | do { \ | |
188 | ir = CAMELLIA_SP1110(xr & 0xff); \ | |
189 | il = CAMELLIA_SP1110((xl>>24) & 0xff); \ | |
190 | ir ^= CAMELLIA_SP0222((xr>>24) & 0xff); \ | |
191 | il ^= CAMELLIA_SP0222((xl>>16) & 0xff); \ | |
192 | ir ^= CAMELLIA_SP3033((xr>>16) & 0xff); \ | |
193 | il ^= CAMELLIA_SP3033((xl>>8) & 0xff); \ | |
194 | ir ^= CAMELLIA_SP4404((xr>>8) & 0xff); \ | |
195 | il ^= CAMELLIA_SP4404(xl & 0xff); \ | |
196 | il ^= kl; \ | |
197 | ir ^= il ^ kr; \ | |
198 | yl ^= ir; \ | |
199 | yr ^= CAMELLIA_RR8(il) ^ ir; \ | |
200 | } while(0) | |
201 | ||
202 | /** | |
203 | * Stuff related to the Camellia key schedule | |
204 | */ | |
205 | #define SUBL(x) subL[(x)] | |
206 | #define SUBR(x) subR[(x)] | |
207 | ||
208 | ||
209 | static const u32 camellia_sp1110[256] = { | |
210 | 0x70707000,0x82828200,0x2c2c2c00,0xececec00, | |
211 | 0xb3b3b300,0x27272700,0xc0c0c000,0xe5e5e500, | |
212 | 0xe4e4e400,0x85858500,0x57575700,0x35353500, | |
213 | 0xeaeaea00,0x0c0c0c00,0xaeaeae00,0x41414100, | |
214 | 0x23232300,0xefefef00,0x6b6b6b00,0x93939300, | |
215 | 0x45454500,0x19191900,0xa5a5a500,0x21212100, | |
216 | 0xededed00,0x0e0e0e00,0x4f4f4f00,0x4e4e4e00, | |
217 | 0x1d1d1d00,0x65656500,0x92929200,0xbdbdbd00, | |
218 | 0x86868600,0xb8b8b800,0xafafaf00,0x8f8f8f00, | |
219 | 0x7c7c7c00,0xebebeb00,0x1f1f1f00,0xcecece00, | |
220 | 0x3e3e3e00,0x30303000,0xdcdcdc00,0x5f5f5f00, | |
221 | 0x5e5e5e00,0xc5c5c500,0x0b0b0b00,0x1a1a1a00, | |
222 | 0xa6a6a600,0xe1e1e100,0x39393900,0xcacaca00, | |
223 | 0xd5d5d500,0x47474700,0x5d5d5d00,0x3d3d3d00, | |
224 | 0xd9d9d900,0x01010100,0x5a5a5a00,0xd6d6d600, | |
225 | 0x51515100,0x56565600,0x6c6c6c00,0x4d4d4d00, | |
226 | 0x8b8b8b00,0x0d0d0d00,0x9a9a9a00,0x66666600, | |
227 | 0xfbfbfb00,0xcccccc00,0xb0b0b000,0x2d2d2d00, | |
228 | 0x74747400,0x12121200,0x2b2b2b00,0x20202000, | |
229 | 0xf0f0f000,0xb1b1b100,0x84848400,0x99999900, | |
230 | 0xdfdfdf00,0x4c4c4c00,0xcbcbcb00,0xc2c2c200, | |
231 | 0x34343400,0x7e7e7e00,0x76767600,0x05050500, | |
232 | 0x6d6d6d00,0xb7b7b700,0xa9a9a900,0x31313100, | |
233 | 0xd1d1d100,0x17171700,0x04040400,0xd7d7d700, | |
234 | 0x14141400,0x58585800,0x3a3a3a00,0x61616100, | |
235 | 0xdedede00,0x1b1b1b00,0x11111100,0x1c1c1c00, | |
236 | 0x32323200,0x0f0f0f00,0x9c9c9c00,0x16161600, | |
237 | 0x53535300,0x18181800,0xf2f2f200,0x22222200, | |
238 | 0xfefefe00,0x44444400,0xcfcfcf00,0xb2b2b200, | |
239 | 0xc3c3c300,0xb5b5b500,0x7a7a7a00,0x91919100, | |
240 | 0x24242400,0x08080800,0xe8e8e800,0xa8a8a800, | |
241 | 0x60606000,0xfcfcfc00,0x69696900,0x50505000, | |
242 | 0xaaaaaa00,0xd0d0d000,0xa0a0a000,0x7d7d7d00, | |
243 | 0xa1a1a100,0x89898900,0x62626200,0x97979700, | |
244 | 0x54545400,0x5b5b5b00,0x1e1e1e00,0x95959500, | |
245 | 0xe0e0e000,0xffffff00,0x64646400,0xd2d2d200, | |
246 | 0x10101000,0xc4c4c400,0x00000000,0x48484800, | |
247 | 0xa3a3a300,0xf7f7f700,0x75757500,0xdbdbdb00, | |
248 | 0x8a8a8a00,0x03030300,0xe6e6e600,0xdadada00, | |
249 | 0x09090900,0x3f3f3f00,0xdddddd00,0x94949400, | |
250 | 0x87878700,0x5c5c5c00,0x83838300,0x02020200, | |
251 | 0xcdcdcd00,0x4a4a4a00,0x90909000,0x33333300, | |
252 | 0x73737300,0x67676700,0xf6f6f600,0xf3f3f300, | |
253 | 0x9d9d9d00,0x7f7f7f00,0xbfbfbf00,0xe2e2e200, | |
254 | 0x52525200,0x9b9b9b00,0xd8d8d800,0x26262600, | |
255 | 0xc8c8c800,0x37373700,0xc6c6c600,0x3b3b3b00, | |
256 | 0x81818100,0x96969600,0x6f6f6f00,0x4b4b4b00, | |
257 | 0x13131300,0xbebebe00,0x63636300,0x2e2e2e00, | |
258 | 0xe9e9e900,0x79797900,0xa7a7a700,0x8c8c8c00, | |
259 | 0x9f9f9f00,0x6e6e6e00,0xbcbcbc00,0x8e8e8e00, | |
260 | 0x29292900,0xf5f5f500,0xf9f9f900,0xb6b6b600, | |
261 | 0x2f2f2f00,0xfdfdfd00,0xb4b4b400,0x59595900, | |
262 | 0x78787800,0x98989800,0x06060600,0x6a6a6a00, | |
263 | 0xe7e7e700,0x46464600,0x71717100,0xbababa00, | |
264 | 0xd4d4d400,0x25252500,0xababab00,0x42424200, | |
265 | 0x88888800,0xa2a2a200,0x8d8d8d00,0xfafafa00, | |
266 | 0x72727200,0x07070700,0xb9b9b900,0x55555500, | |
267 | 0xf8f8f800,0xeeeeee00,0xacacac00,0x0a0a0a00, | |
268 | 0x36363600,0x49494900,0x2a2a2a00,0x68686800, | |
269 | 0x3c3c3c00,0x38383800,0xf1f1f100,0xa4a4a400, | |
270 | 0x40404000,0x28282800,0xd3d3d300,0x7b7b7b00, | |
271 | 0xbbbbbb00,0xc9c9c900,0x43434300,0xc1c1c100, | |
272 | 0x15151500,0xe3e3e300,0xadadad00,0xf4f4f400, | |
273 | 0x77777700,0xc7c7c700,0x80808000,0x9e9e9e00, | |
274 | }; | |
275 | ||
276 | static const u32 camellia_sp0222[256] = { | |
277 | 0x00e0e0e0,0x00050505,0x00585858,0x00d9d9d9, | |
278 | 0x00676767,0x004e4e4e,0x00818181,0x00cbcbcb, | |
279 | 0x00c9c9c9,0x000b0b0b,0x00aeaeae,0x006a6a6a, | |
280 | 0x00d5d5d5,0x00181818,0x005d5d5d,0x00828282, | |
281 | 0x00464646,0x00dfdfdf,0x00d6d6d6,0x00272727, | |
282 | 0x008a8a8a,0x00323232,0x004b4b4b,0x00424242, | |
283 | 0x00dbdbdb,0x001c1c1c,0x009e9e9e,0x009c9c9c, | |
284 | 0x003a3a3a,0x00cacaca,0x00252525,0x007b7b7b, | |
285 | 0x000d0d0d,0x00717171,0x005f5f5f,0x001f1f1f, | |
286 | 0x00f8f8f8,0x00d7d7d7,0x003e3e3e,0x009d9d9d, | |
287 | 0x007c7c7c,0x00606060,0x00b9b9b9,0x00bebebe, | |
288 | 0x00bcbcbc,0x008b8b8b,0x00161616,0x00343434, | |
289 | 0x004d4d4d,0x00c3c3c3,0x00727272,0x00959595, | |
290 | 0x00ababab,0x008e8e8e,0x00bababa,0x007a7a7a, | |
291 | 0x00b3b3b3,0x00020202,0x00b4b4b4,0x00adadad, | |
292 | 0x00a2a2a2,0x00acacac,0x00d8d8d8,0x009a9a9a, | |
293 | 0x00171717,0x001a1a1a,0x00353535,0x00cccccc, | |
294 | 0x00f7f7f7,0x00999999,0x00616161,0x005a5a5a, | |
295 | 0x00e8e8e8,0x00242424,0x00565656,0x00404040, | |
296 | 0x00e1e1e1,0x00636363,0x00090909,0x00333333, | |
297 | 0x00bfbfbf,0x00989898,0x00979797,0x00858585, | |
298 | 0x00686868,0x00fcfcfc,0x00ececec,0x000a0a0a, | |
299 | 0x00dadada,0x006f6f6f,0x00535353,0x00626262, | |
300 | 0x00a3a3a3,0x002e2e2e,0x00080808,0x00afafaf, | |
301 | 0x00282828,0x00b0b0b0,0x00747474,0x00c2c2c2, | |
302 | 0x00bdbdbd,0x00363636,0x00222222,0x00383838, | |
303 | 0x00646464,0x001e1e1e,0x00393939,0x002c2c2c, | |
304 | 0x00a6a6a6,0x00303030,0x00e5e5e5,0x00444444, | |
305 | 0x00fdfdfd,0x00888888,0x009f9f9f,0x00656565, | |
306 | 0x00878787,0x006b6b6b,0x00f4f4f4,0x00232323, | |
307 | 0x00484848,0x00101010,0x00d1d1d1,0x00515151, | |
308 | 0x00c0c0c0,0x00f9f9f9,0x00d2d2d2,0x00a0a0a0, | |
309 | 0x00555555,0x00a1a1a1,0x00414141,0x00fafafa, | |
310 | 0x00434343,0x00131313,0x00c4c4c4,0x002f2f2f, | |
311 | 0x00a8a8a8,0x00b6b6b6,0x003c3c3c,0x002b2b2b, | |
312 | 0x00c1c1c1,0x00ffffff,0x00c8c8c8,0x00a5a5a5, | |
313 | 0x00202020,0x00898989,0x00000000,0x00909090, | |
314 | 0x00474747,0x00efefef,0x00eaeaea,0x00b7b7b7, | |
315 | 0x00151515,0x00060606,0x00cdcdcd,0x00b5b5b5, | |
316 | 0x00121212,0x007e7e7e,0x00bbbbbb,0x00292929, | |
317 | 0x000f0f0f,0x00b8b8b8,0x00070707,0x00040404, | |
318 | 0x009b9b9b,0x00949494,0x00212121,0x00666666, | |
319 | 0x00e6e6e6,0x00cecece,0x00ededed,0x00e7e7e7, | |
320 | 0x003b3b3b,0x00fefefe,0x007f7f7f,0x00c5c5c5, | |
321 | 0x00a4a4a4,0x00373737,0x00b1b1b1,0x004c4c4c, | |
322 | 0x00919191,0x006e6e6e,0x008d8d8d,0x00767676, | |
323 | 0x00030303,0x002d2d2d,0x00dedede,0x00969696, | |
324 | 0x00262626,0x007d7d7d,0x00c6c6c6,0x005c5c5c, | |
325 | 0x00d3d3d3,0x00f2f2f2,0x004f4f4f,0x00191919, | |
326 | 0x003f3f3f,0x00dcdcdc,0x00797979,0x001d1d1d, | |
327 | 0x00525252,0x00ebebeb,0x00f3f3f3,0x006d6d6d, | |
328 | 0x005e5e5e,0x00fbfbfb,0x00696969,0x00b2b2b2, | |
329 | 0x00f0f0f0,0x00313131,0x000c0c0c,0x00d4d4d4, | |
330 | 0x00cfcfcf,0x008c8c8c,0x00e2e2e2,0x00757575, | |
331 | 0x00a9a9a9,0x004a4a4a,0x00575757,0x00848484, | |
332 | 0x00111111,0x00454545,0x001b1b1b,0x00f5f5f5, | |
333 | 0x00e4e4e4,0x000e0e0e,0x00737373,0x00aaaaaa, | |
334 | 0x00f1f1f1,0x00dddddd,0x00595959,0x00141414, | |
335 | 0x006c6c6c,0x00929292,0x00545454,0x00d0d0d0, | |
336 | 0x00787878,0x00707070,0x00e3e3e3,0x00494949, | |
337 | 0x00808080,0x00505050,0x00a7a7a7,0x00f6f6f6, | |
338 | 0x00777777,0x00939393,0x00868686,0x00838383, | |
339 | 0x002a2a2a,0x00c7c7c7,0x005b5b5b,0x00e9e9e9, | |
340 | 0x00eeeeee,0x008f8f8f,0x00010101,0x003d3d3d, | |
341 | }; | |
342 | ||
343 | static const u32 camellia_sp3033[256] = { | |
344 | 0x38003838,0x41004141,0x16001616,0x76007676, | |
345 | 0xd900d9d9,0x93009393,0x60006060,0xf200f2f2, | |
346 | 0x72007272,0xc200c2c2,0xab00abab,0x9a009a9a, | |
347 | 0x75007575,0x06000606,0x57005757,0xa000a0a0, | |
348 | 0x91009191,0xf700f7f7,0xb500b5b5,0xc900c9c9, | |
349 | 0xa200a2a2,0x8c008c8c,0xd200d2d2,0x90009090, | |
350 | 0xf600f6f6,0x07000707,0xa700a7a7,0x27002727, | |
351 | 0x8e008e8e,0xb200b2b2,0x49004949,0xde00dede, | |
352 | 0x43004343,0x5c005c5c,0xd700d7d7,0xc700c7c7, | |
353 | 0x3e003e3e,0xf500f5f5,0x8f008f8f,0x67006767, | |
354 | 0x1f001f1f,0x18001818,0x6e006e6e,0xaf00afaf, | |
355 | 0x2f002f2f,0xe200e2e2,0x85008585,0x0d000d0d, | |
356 | 0x53005353,0xf000f0f0,0x9c009c9c,0x65006565, | |
357 | 0xea00eaea,0xa300a3a3,0xae00aeae,0x9e009e9e, | |
358 | 0xec00ecec,0x80008080,0x2d002d2d,0x6b006b6b, | |
359 | 0xa800a8a8,0x2b002b2b,0x36003636,0xa600a6a6, | |
360 | 0xc500c5c5,0x86008686,0x4d004d4d,0x33003333, | |
361 | 0xfd00fdfd,0x66006666,0x58005858,0x96009696, | |
362 | 0x3a003a3a,0x09000909,0x95009595,0x10001010, | |
363 | 0x78007878,0xd800d8d8,0x42004242,0xcc00cccc, | |
364 | 0xef00efef,0x26002626,0xe500e5e5,0x61006161, | |
365 | 0x1a001a1a,0x3f003f3f,0x3b003b3b,0x82008282, | |
366 | 0xb600b6b6,0xdb00dbdb,0xd400d4d4,0x98009898, | |
367 | 0xe800e8e8,0x8b008b8b,0x02000202,0xeb00ebeb, | |
368 | 0x0a000a0a,0x2c002c2c,0x1d001d1d,0xb000b0b0, | |
369 | 0x6f006f6f,0x8d008d8d,0x88008888,0x0e000e0e, | |
370 | 0x19001919,0x87008787,0x4e004e4e,0x0b000b0b, | |
371 | 0xa900a9a9,0x0c000c0c,0x79007979,0x11001111, | |
372 | 0x7f007f7f,0x22002222,0xe700e7e7,0x59005959, | |
373 | 0xe100e1e1,0xda00dada,0x3d003d3d,0xc800c8c8, | |
374 | 0x12001212,0x04000404,0x74007474,0x54005454, | |
375 | 0x30003030,0x7e007e7e,0xb400b4b4,0x28002828, | |
376 | 0x55005555,0x68006868,0x50005050,0xbe00bebe, | |
377 | 0xd000d0d0,0xc400c4c4,0x31003131,0xcb00cbcb, | |
378 | 0x2a002a2a,0xad00adad,0x0f000f0f,0xca00caca, | |
379 | 0x70007070,0xff00ffff,0x32003232,0x69006969, | |
380 | 0x08000808,0x62006262,0x00000000,0x24002424, | |
381 | 0xd100d1d1,0xfb00fbfb,0xba00baba,0xed00eded, | |
382 | 0x45004545,0x81008181,0x73007373,0x6d006d6d, | |
383 | 0x84008484,0x9f009f9f,0xee00eeee,0x4a004a4a, | |
384 | 0xc300c3c3,0x2e002e2e,0xc100c1c1,0x01000101, | |
385 | 0xe600e6e6,0x25002525,0x48004848,0x99009999, | |
386 | 0xb900b9b9,0xb300b3b3,0x7b007b7b,0xf900f9f9, | |
387 | 0xce00cece,0xbf00bfbf,0xdf00dfdf,0x71007171, | |
388 | 0x29002929,0xcd00cdcd,0x6c006c6c,0x13001313, | |
389 | 0x64006464,0x9b009b9b,0x63006363,0x9d009d9d, | |
390 | 0xc000c0c0,0x4b004b4b,0xb700b7b7,0xa500a5a5, | |
391 | 0x89008989,0x5f005f5f,0xb100b1b1,0x17001717, | |
392 | 0xf400f4f4,0xbc00bcbc,0xd300d3d3,0x46004646, | |
393 | 0xcf00cfcf,0x37003737,0x5e005e5e,0x47004747, | |
394 | 0x94009494,0xfa00fafa,0xfc00fcfc,0x5b005b5b, | |
395 | 0x97009797,0xfe00fefe,0x5a005a5a,0xac00acac, | |
396 | 0x3c003c3c,0x4c004c4c,0x03000303,0x35003535, | |
397 | 0xf300f3f3,0x23002323,0xb800b8b8,0x5d005d5d, | |
398 | 0x6a006a6a,0x92009292,0xd500d5d5,0x21002121, | |
399 | 0x44004444,0x51005151,0xc600c6c6,0x7d007d7d, | |
400 | 0x39003939,0x83008383,0xdc00dcdc,0xaa00aaaa, | |
401 | 0x7c007c7c,0x77007777,0x56005656,0x05000505, | |
402 | 0x1b001b1b,0xa400a4a4,0x15001515,0x34003434, | |
403 | 0x1e001e1e,0x1c001c1c,0xf800f8f8,0x52005252, | |
404 | 0x20002020,0x14001414,0xe900e9e9,0xbd00bdbd, | |
405 | 0xdd00dddd,0xe400e4e4,0xa100a1a1,0xe000e0e0, | |
406 | 0x8a008a8a,0xf100f1f1,0xd600d6d6,0x7a007a7a, | |
407 | 0xbb00bbbb,0xe300e3e3,0x40004040,0x4f004f4f, | |
408 | }; | |
409 | ||
410 | static const u32 camellia_sp4404[256] = { | |
411 | 0x70700070,0x2c2c002c,0xb3b300b3,0xc0c000c0, | |
412 | 0xe4e400e4,0x57570057,0xeaea00ea,0xaeae00ae, | |
413 | 0x23230023,0x6b6b006b,0x45450045,0xa5a500a5, | |
414 | 0xeded00ed,0x4f4f004f,0x1d1d001d,0x92920092, | |
415 | 0x86860086,0xafaf00af,0x7c7c007c,0x1f1f001f, | |
416 | 0x3e3e003e,0xdcdc00dc,0x5e5e005e,0x0b0b000b, | |
417 | 0xa6a600a6,0x39390039,0xd5d500d5,0x5d5d005d, | |
418 | 0xd9d900d9,0x5a5a005a,0x51510051,0x6c6c006c, | |
419 | 0x8b8b008b,0x9a9a009a,0xfbfb00fb,0xb0b000b0, | |
420 | 0x74740074,0x2b2b002b,0xf0f000f0,0x84840084, | |
421 | 0xdfdf00df,0xcbcb00cb,0x34340034,0x76760076, | |
422 | 0x6d6d006d,0xa9a900a9,0xd1d100d1,0x04040004, | |
423 | 0x14140014,0x3a3a003a,0xdede00de,0x11110011, | |
424 | 0x32320032,0x9c9c009c,0x53530053,0xf2f200f2, | |
425 | 0xfefe00fe,0xcfcf00cf,0xc3c300c3,0x7a7a007a, | |
426 | 0x24240024,0xe8e800e8,0x60600060,0x69690069, | |
427 | 0xaaaa00aa,0xa0a000a0,0xa1a100a1,0x62620062, | |
428 | 0x54540054,0x1e1e001e,0xe0e000e0,0x64640064, | |
429 | 0x10100010,0x00000000,0xa3a300a3,0x75750075, | |
430 | 0x8a8a008a,0xe6e600e6,0x09090009,0xdddd00dd, | |
431 | 0x87870087,0x83830083,0xcdcd00cd,0x90900090, | |
432 | 0x73730073,0xf6f600f6,0x9d9d009d,0xbfbf00bf, | |
433 | 0x52520052,0xd8d800d8,0xc8c800c8,0xc6c600c6, | |
434 | 0x81810081,0x6f6f006f,0x13130013,0x63630063, | |
435 | 0xe9e900e9,0xa7a700a7,0x9f9f009f,0xbcbc00bc, | |
436 | 0x29290029,0xf9f900f9,0x2f2f002f,0xb4b400b4, | |
437 | 0x78780078,0x06060006,0xe7e700e7,0x71710071, | |
438 | 0xd4d400d4,0xabab00ab,0x88880088,0x8d8d008d, | |
439 | 0x72720072,0xb9b900b9,0xf8f800f8,0xacac00ac, | |
440 | 0x36360036,0x2a2a002a,0x3c3c003c,0xf1f100f1, | |
441 | 0x40400040,0xd3d300d3,0xbbbb00bb,0x43430043, | |
442 | 0x15150015,0xadad00ad,0x77770077,0x80800080, | |
443 | 0x82820082,0xecec00ec,0x27270027,0xe5e500e5, | |
444 | 0x85850085,0x35350035,0x0c0c000c,0x41410041, | |
445 | 0xefef00ef,0x93930093,0x19190019,0x21210021, | |
446 | 0x0e0e000e,0x4e4e004e,0x65650065,0xbdbd00bd, | |
447 | 0xb8b800b8,0x8f8f008f,0xebeb00eb,0xcece00ce, | |
448 | 0x30300030,0x5f5f005f,0xc5c500c5,0x1a1a001a, | |
449 | 0xe1e100e1,0xcaca00ca,0x47470047,0x3d3d003d, | |
450 | 0x01010001,0xd6d600d6,0x56560056,0x4d4d004d, | |
451 | 0x0d0d000d,0x66660066,0xcccc00cc,0x2d2d002d, | |
452 | 0x12120012,0x20200020,0xb1b100b1,0x99990099, | |
453 | 0x4c4c004c,0xc2c200c2,0x7e7e007e,0x05050005, | |
454 | 0xb7b700b7,0x31310031,0x17170017,0xd7d700d7, | |
455 | 0x58580058,0x61610061,0x1b1b001b,0x1c1c001c, | |
456 | 0x0f0f000f,0x16160016,0x18180018,0x22220022, | |
457 | 0x44440044,0xb2b200b2,0xb5b500b5,0x91910091, | |
458 | 0x08080008,0xa8a800a8,0xfcfc00fc,0x50500050, | |
459 | 0xd0d000d0,0x7d7d007d,0x89890089,0x97970097, | |
460 | 0x5b5b005b,0x95950095,0xffff00ff,0xd2d200d2, | |
461 | 0xc4c400c4,0x48480048,0xf7f700f7,0xdbdb00db, | |
462 | 0x03030003,0xdada00da,0x3f3f003f,0x94940094, | |
463 | 0x5c5c005c,0x02020002,0x4a4a004a,0x33330033, | |
464 | 0x67670067,0xf3f300f3,0x7f7f007f,0xe2e200e2, | |
465 | 0x9b9b009b,0x26260026,0x37370037,0x3b3b003b, | |
466 | 0x96960096,0x4b4b004b,0xbebe00be,0x2e2e002e, | |
467 | 0x79790079,0x8c8c008c,0x6e6e006e,0x8e8e008e, | |
468 | 0xf5f500f5,0xb6b600b6,0xfdfd00fd,0x59590059, | |
469 | 0x98980098,0x6a6a006a,0x46460046,0xbaba00ba, | |
470 | 0x25250025,0x42420042,0xa2a200a2,0xfafa00fa, | |
471 | 0x07070007,0x55550055,0xeeee00ee,0x0a0a000a, | |
472 | 0x49490049,0x68680068,0x38380038,0xa4a400a4, | |
473 | 0x28280028,0x7b7b007b,0xc9c900c9,0xc1c100c1, | |
474 | 0xe3e300e3,0xf4f400f4,0xc7c700c7,0x9e9e009e, | |
475 | }; | |
476 | ||
477 | ||
478 | ||
479 | static void camellia_setup128(const unsigned char *key, u32 *subkey) | |
480 | { | |
481 | u32 kll, klr, krl, krr; | |
482 | u32 il, ir, t0, t1, w0, w1; | |
483 | u32 kw4l, kw4r, dw, tl, tr; | |
484 | u32 subL[26]; | |
485 | u32 subR[26]; | |
486 | ||
487 | /** | |
488 | * k == kll || klr || krl || krr (|| is concatination) | |
489 | */ | |
490 | kll = GETU32(key ); | |
491 | klr = GETU32(key + 4); | |
492 | krl = GETU32(key + 8); | |
493 | krr = GETU32(key + 12); | |
494 | /** | |
495 | * generate KL dependent subkeys | |
496 | */ | |
497 | /* kw1 */ | |
498 | SUBL(0) = kll; SUBR(0) = klr; | |
499 | /* kw2 */ | |
500 | SUBL(1) = krl; SUBR(1) = krr; | |
501 | /* rotation left shift 15bit */ | |
502 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); | |
503 | /* k3 */ | |
504 | SUBL(4) = kll; SUBR(4) = klr; | |
505 | /* k4 */ | |
506 | SUBL(5) = krl; SUBR(5) = krr; | |
507 | /* rotation left shift 15+30bit */ | |
508 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30); | |
509 | /* k7 */ | |
510 | SUBL(10) = kll; SUBR(10) = klr; | |
511 | /* k8 */ | |
512 | SUBL(11) = krl; SUBR(11) = krr; | |
513 | /* rotation left shift 15+30+15bit */ | |
514 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); | |
515 | /* k10 */ | |
516 | SUBL(13) = krl; SUBR(13) = krr; | |
517 | /* rotation left shift 15+30+15+17 bit */ | |
518 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); | |
519 | /* kl3 */ | |
520 | SUBL(16) = kll; SUBR(16) = klr; | |
521 | /* kl4 */ | |
522 | SUBL(17) = krl; SUBR(17) = krr; | |
523 | /* rotation left shift 15+30+15+17+17 bit */ | |
524 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); | |
525 | /* k13 */ | |
526 | SUBL(18) = kll; SUBR(18) = klr; | |
527 | /* k14 */ | |
528 | SUBL(19) = krl; SUBR(19) = krr; | |
529 | /* rotation left shift 15+30+15+17+17+17 bit */ | |
530 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); | |
531 | /* k17 */ | |
532 | SUBL(22) = kll; SUBR(22) = klr; | |
533 | /* k18 */ | |
534 | SUBL(23) = krl; SUBR(23) = krr; | |
535 | ||
536 | /* generate KA */ | |
537 | kll = SUBL(0); klr = SUBR(0); | |
538 | krl = SUBL(1); krr = SUBR(1); | |
539 | CAMELLIA_F(kll, klr, | |
540 | CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R, | |
541 | w0, w1, il, ir, t0, t1); | |
542 | krl ^= w0; krr ^= w1; | |
543 | CAMELLIA_F(krl, krr, | |
544 | CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R, | |
545 | kll, klr, il, ir, t0, t1); | |
546 | /* current status == (kll, klr, w0, w1) */ | |
547 | CAMELLIA_F(kll, klr, | |
548 | CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R, | |
549 | krl, krr, il, ir, t0, t1); | |
550 | krl ^= w0; krr ^= w1; | |
551 | CAMELLIA_F(krl, krr, | |
552 | CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R, | |
553 | w0, w1, il, ir, t0, t1); | |
554 | kll ^= w0; klr ^= w1; | |
555 | ||
556 | /* generate KA dependent subkeys */ | |
557 | /* k1, k2 */ | |
558 | SUBL(2) = kll; SUBR(2) = klr; | |
559 | SUBL(3) = krl; SUBR(3) = krr; | |
560 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); | |
561 | /* k5,k6 */ | |
562 | SUBL(6) = kll; SUBR(6) = klr; | |
563 | SUBL(7) = krl; SUBR(7) = krr; | |
564 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); | |
565 | /* kl1, kl2 */ | |
566 | SUBL(8) = kll; SUBR(8) = klr; | |
567 | SUBL(9) = krl; SUBR(9) = krr; | |
568 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); | |
569 | /* k9 */ | |
570 | SUBL(12) = kll; SUBR(12) = klr; | |
571 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); | |
572 | /* k11, k12 */ | |
573 | SUBL(14) = kll; SUBR(14) = klr; | |
574 | SUBL(15) = krl; SUBR(15) = krr; | |
575 | CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34); | |
576 | /* k15, k16 */ | |
577 | SUBL(20) = kll; SUBR(20) = klr; | |
578 | SUBL(21) = krl; SUBR(21) = krr; | |
579 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); | |
580 | /* kw3, kw4 */ | |
581 | SUBL(24) = kll; SUBR(24) = klr; | |
582 | SUBL(25) = krl; SUBR(25) = krr; | |
583 | ||
584 | ||
585 | /* absorb kw2 to other subkeys */ | |
586 | /* round 2 */ | |
587 | SUBL(3) ^= SUBL(1); SUBR(3) ^= SUBR(1); | |
588 | /* round 4 */ | |
589 | SUBL(5) ^= SUBL(1); SUBR(5) ^= SUBR(1); | |
590 | /* round 6 */ | |
591 | SUBL(7) ^= SUBL(1); SUBR(7) ^= SUBR(1); | |
592 | SUBL(1) ^= SUBR(1) & ~SUBR(9); | |
593 | dw = SUBL(1) & SUBL(9), | |
594 | SUBR(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl2) */ | |
595 | /* round 8 */ | |
596 | SUBL(11) ^= SUBL(1); SUBR(11) ^= SUBR(1); | |
597 | /* round 10 */ | |
598 | SUBL(13) ^= SUBL(1); SUBR(13) ^= SUBR(1); | |
599 | /* round 12 */ | |
600 | SUBL(15) ^= SUBL(1); SUBR(15) ^= SUBR(1); | |
601 | SUBL(1) ^= SUBR(1) & ~SUBR(17); | |
602 | dw = SUBL(1) & SUBL(17), | |
603 | SUBR(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl4) */ | |
604 | /* round 14 */ | |
605 | SUBL(19) ^= SUBL(1); SUBR(19) ^= SUBR(1); | |
606 | /* round 16 */ | |
607 | SUBL(21) ^= SUBL(1); SUBR(21) ^= SUBR(1); | |
608 | /* round 18 */ | |
609 | SUBL(23) ^= SUBL(1); SUBR(23) ^= SUBR(1); | |
610 | /* kw3 */ | |
611 | SUBL(24) ^= SUBL(1); SUBR(24) ^= SUBR(1); | |
612 | ||
613 | /* absorb kw4 to other subkeys */ | |
614 | kw4l = SUBL(25); kw4r = SUBR(25); | |
615 | /* round 17 */ | |
616 | SUBL(22) ^= kw4l; SUBR(22) ^= kw4r; | |
617 | /* round 15 */ | |
618 | SUBL(20) ^= kw4l; SUBR(20) ^= kw4r; | |
619 | /* round 13 */ | |
620 | SUBL(18) ^= kw4l; SUBR(18) ^= kw4r; | |
621 | kw4l ^= kw4r & ~SUBR(16); | |
622 | dw = kw4l & SUBL(16), | |
623 | kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl3) */ | |
624 | /* round 11 */ | |
625 | SUBL(14) ^= kw4l; SUBR(14) ^= kw4r; | |
626 | /* round 9 */ | |
627 | SUBL(12) ^= kw4l; SUBR(12) ^= kw4r; | |
628 | /* round 7 */ | |
629 | SUBL(10) ^= kw4l; SUBR(10) ^= kw4r; | |
630 | kw4l ^= kw4r & ~SUBR(8); | |
631 | dw = kw4l & SUBL(8), | |
632 | kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl1) */ | |
633 | /* round 5 */ | |
634 | SUBL(6) ^= kw4l; SUBR(6) ^= kw4r; | |
635 | /* round 3 */ | |
636 | SUBL(4) ^= kw4l; SUBR(4) ^= kw4r; | |
637 | /* round 1 */ | |
638 | SUBL(2) ^= kw4l; SUBR(2) ^= kw4r; | |
639 | /* kw1 */ | |
640 | SUBL(0) ^= kw4l; SUBR(0) ^= kw4r; | |
641 | ||
642 | ||
643 | /* key XOR is end of F-function */ | |
644 | CAMELLIA_SUBKEY_L(0) = SUBL(0) ^ SUBL(2);/* kw1 */ | |
645 | CAMELLIA_SUBKEY_R(0) = SUBR(0) ^ SUBR(2); | |
646 | CAMELLIA_SUBKEY_L(2) = SUBL(3); /* round 1 */ | |
647 | CAMELLIA_SUBKEY_R(2) = SUBR(3); | |
648 | CAMELLIA_SUBKEY_L(3) = SUBL(2) ^ SUBL(4); /* round 2 */ | |
649 | CAMELLIA_SUBKEY_R(3) = SUBR(2) ^ SUBR(4); | |
650 | CAMELLIA_SUBKEY_L(4) = SUBL(3) ^ SUBL(5); /* round 3 */ | |
651 | CAMELLIA_SUBKEY_R(4) = SUBR(3) ^ SUBR(5); | |
652 | CAMELLIA_SUBKEY_L(5) = SUBL(4) ^ SUBL(6); /* round 4 */ | |
653 | CAMELLIA_SUBKEY_R(5) = SUBR(4) ^ SUBR(6); | |
654 | CAMELLIA_SUBKEY_L(6) = SUBL(5) ^ SUBL(7); /* round 5 */ | |
655 | CAMELLIA_SUBKEY_R(6) = SUBR(5) ^ SUBR(7); | |
656 | tl = SUBL(10) ^ (SUBR(10) & ~SUBR(8)); | |
657 | dw = tl & SUBL(8), /* FL(kl1) */ | |
658 | tr = SUBR(10) ^ CAMELLIA_RL1(dw); | |
659 | CAMELLIA_SUBKEY_L(7) = SUBL(6) ^ tl; /* round 6 */ | |
660 | CAMELLIA_SUBKEY_R(7) = SUBR(6) ^ tr; | |
661 | CAMELLIA_SUBKEY_L(8) = SUBL(8); /* FL(kl1) */ | |
662 | CAMELLIA_SUBKEY_R(8) = SUBR(8); | |
663 | CAMELLIA_SUBKEY_L(9) = SUBL(9); /* FLinv(kl2) */ | |
664 | CAMELLIA_SUBKEY_R(9) = SUBR(9); | |
665 | tl = SUBL(7) ^ (SUBR(7) & ~SUBR(9)); | |
666 | dw = tl & SUBL(9), /* FLinv(kl2) */ | |
667 | tr = SUBR(7) ^ CAMELLIA_RL1(dw); | |
668 | CAMELLIA_SUBKEY_L(10) = tl ^ SUBL(11); /* round 7 */ | |
669 | CAMELLIA_SUBKEY_R(10) = tr ^ SUBR(11); | |
670 | CAMELLIA_SUBKEY_L(11) = SUBL(10) ^ SUBL(12); /* round 8 */ | |
671 | CAMELLIA_SUBKEY_R(11) = SUBR(10) ^ SUBR(12); | |
672 | CAMELLIA_SUBKEY_L(12) = SUBL(11) ^ SUBL(13); /* round 9 */ | |
673 | CAMELLIA_SUBKEY_R(12) = SUBR(11) ^ SUBR(13); | |
674 | CAMELLIA_SUBKEY_L(13) = SUBL(12) ^ SUBL(14); /* round 10 */ | |
675 | CAMELLIA_SUBKEY_R(13) = SUBR(12) ^ SUBR(14); | |
676 | CAMELLIA_SUBKEY_L(14) = SUBL(13) ^ SUBL(15); /* round 11 */ | |
677 | CAMELLIA_SUBKEY_R(14) = SUBR(13) ^ SUBR(15); | |
678 | tl = SUBL(18) ^ (SUBR(18) & ~SUBR(16)); | |
679 | dw = tl & SUBL(16), /* FL(kl3) */ | |
680 | tr = SUBR(18) ^ CAMELLIA_RL1(dw); | |
681 | CAMELLIA_SUBKEY_L(15) = SUBL(14) ^ tl; /* round 12 */ | |
682 | CAMELLIA_SUBKEY_R(15) = SUBR(14) ^ tr; | |
683 | CAMELLIA_SUBKEY_L(16) = SUBL(16); /* FL(kl3) */ | |
684 | CAMELLIA_SUBKEY_R(16) = SUBR(16); | |
685 | CAMELLIA_SUBKEY_L(17) = SUBL(17); /* FLinv(kl4) */ | |
686 | CAMELLIA_SUBKEY_R(17) = SUBR(17); | |
687 | tl = SUBL(15) ^ (SUBR(15) & ~SUBR(17)); | |
688 | dw = tl & SUBL(17), /* FLinv(kl4) */ | |
689 | tr = SUBR(15) ^ CAMELLIA_RL1(dw); | |
690 | CAMELLIA_SUBKEY_L(18) = tl ^ SUBL(19); /* round 13 */ | |
691 | CAMELLIA_SUBKEY_R(18) = tr ^ SUBR(19); | |
692 | CAMELLIA_SUBKEY_L(19) = SUBL(18) ^ SUBL(20); /* round 14 */ | |
693 | CAMELLIA_SUBKEY_R(19) = SUBR(18) ^ SUBR(20); | |
694 | CAMELLIA_SUBKEY_L(20) = SUBL(19) ^ SUBL(21); /* round 15 */ | |
695 | CAMELLIA_SUBKEY_R(20) = SUBR(19) ^ SUBR(21); | |
696 | CAMELLIA_SUBKEY_L(21) = SUBL(20) ^ SUBL(22); /* round 16 */ | |
697 | CAMELLIA_SUBKEY_R(21) = SUBR(20) ^ SUBR(22); | |
698 | CAMELLIA_SUBKEY_L(22) = SUBL(21) ^ SUBL(23); /* round 17 */ | |
699 | CAMELLIA_SUBKEY_R(22) = SUBR(21) ^ SUBR(23); | |
700 | CAMELLIA_SUBKEY_L(23) = SUBL(22); /* round 18 */ | |
701 | CAMELLIA_SUBKEY_R(23) = SUBR(22); | |
702 | CAMELLIA_SUBKEY_L(24) = SUBL(24) ^ SUBL(23); /* kw3 */ | |
703 | CAMELLIA_SUBKEY_R(24) = SUBR(24) ^ SUBR(23); | |
704 | ||
705 | /* apply the inverse of the last half of P-function */ | |
706 | dw = CAMELLIA_SUBKEY_L(2) ^ CAMELLIA_SUBKEY_R(2), | |
707 | dw = CAMELLIA_RL8(dw);/* round 1 */ | |
708 | CAMELLIA_SUBKEY_R(2) = CAMELLIA_SUBKEY_L(2) ^ dw, | |
709 | CAMELLIA_SUBKEY_L(2) = dw; | |
710 | dw = CAMELLIA_SUBKEY_L(3) ^ CAMELLIA_SUBKEY_R(3), | |
711 | dw = CAMELLIA_RL8(dw);/* round 2 */ | |
712 | CAMELLIA_SUBKEY_R(3) = CAMELLIA_SUBKEY_L(3) ^ dw, | |
713 | CAMELLIA_SUBKEY_L(3) = dw; | |
714 | dw = CAMELLIA_SUBKEY_L(4) ^ CAMELLIA_SUBKEY_R(4), | |
715 | dw = CAMELLIA_RL8(dw);/* round 3 */ | |
716 | CAMELLIA_SUBKEY_R(4) = CAMELLIA_SUBKEY_L(4) ^ dw, | |
717 | CAMELLIA_SUBKEY_L(4) = dw; | |
718 | dw = CAMELLIA_SUBKEY_L(5) ^ CAMELLIA_SUBKEY_R(5), | |
719 | dw = CAMELLIA_RL8(dw);/* round 4 */ | |
720 | CAMELLIA_SUBKEY_R(5) = CAMELLIA_SUBKEY_L(5) ^ dw, | |
721 | CAMELLIA_SUBKEY_L(5) = dw; | |
722 | dw = CAMELLIA_SUBKEY_L(6) ^ CAMELLIA_SUBKEY_R(6), | |
723 | dw = CAMELLIA_RL8(dw);/* round 5 */ | |
724 | CAMELLIA_SUBKEY_R(6) = CAMELLIA_SUBKEY_L(6) ^ dw, | |
725 | CAMELLIA_SUBKEY_L(6) = dw; | |
726 | dw = CAMELLIA_SUBKEY_L(7) ^ CAMELLIA_SUBKEY_R(7), | |
727 | dw = CAMELLIA_RL8(dw);/* round 6 */ | |
728 | CAMELLIA_SUBKEY_R(7) = CAMELLIA_SUBKEY_L(7) ^ dw, | |
729 | CAMELLIA_SUBKEY_L(7) = dw; | |
730 | dw = CAMELLIA_SUBKEY_L(10) ^ CAMELLIA_SUBKEY_R(10), | |
731 | dw = CAMELLIA_RL8(dw);/* round 7 */ | |
732 | CAMELLIA_SUBKEY_R(10) = CAMELLIA_SUBKEY_L(10) ^ dw, | |
733 | CAMELLIA_SUBKEY_L(10) = dw; | |
734 | dw = CAMELLIA_SUBKEY_L(11) ^ CAMELLIA_SUBKEY_R(11), | |
735 | dw = CAMELLIA_RL8(dw);/* round 8 */ | |
736 | CAMELLIA_SUBKEY_R(11) = CAMELLIA_SUBKEY_L(11) ^ dw, | |
737 | CAMELLIA_SUBKEY_L(11) = dw; | |
738 | dw = CAMELLIA_SUBKEY_L(12) ^ CAMELLIA_SUBKEY_R(12), | |
739 | dw = CAMELLIA_RL8(dw);/* round 9 */ | |
740 | CAMELLIA_SUBKEY_R(12) = CAMELLIA_SUBKEY_L(12) ^ dw, | |
741 | CAMELLIA_SUBKEY_L(12) = dw; | |
742 | dw = CAMELLIA_SUBKEY_L(13) ^ CAMELLIA_SUBKEY_R(13), | |
743 | dw = CAMELLIA_RL8(dw);/* round 10 */ | |
744 | CAMELLIA_SUBKEY_R(13) = CAMELLIA_SUBKEY_L(13) ^ dw, | |
745 | CAMELLIA_SUBKEY_L(13) = dw; | |
746 | dw = CAMELLIA_SUBKEY_L(14) ^ CAMELLIA_SUBKEY_R(14), | |
747 | dw = CAMELLIA_RL8(dw);/* round 11 */ | |
748 | CAMELLIA_SUBKEY_R(14) = CAMELLIA_SUBKEY_L(14) ^ dw, | |
749 | CAMELLIA_SUBKEY_L(14) = dw; | |
750 | dw = CAMELLIA_SUBKEY_L(15) ^ CAMELLIA_SUBKEY_R(15), | |
751 | dw = CAMELLIA_RL8(dw);/* round 12 */ | |
752 | CAMELLIA_SUBKEY_R(15) = CAMELLIA_SUBKEY_L(15) ^ dw, | |
753 | CAMELLIA_SUBKEY_L(15) = dw; | |
754 | dw = CAMELLIA_SUBKEY_L(18) ^ CAMELLIA_SUBKEY_R(18), | |
755 | dw = CAMELLIA_RL8(dw);/* round 13 */ | |
756 | CAMELLIA_SUBKEY_R(18) = CAMELLIA_SUBKEY_L(18) ^ dw, | |
757 | CAMELLIA_SUBKEY_L(18) = dw; | |
758 | dw = CAMELLIA_SUBKEY_L(19) ^ CAMELLIA_SUBKEY_R(19), | |
759 | dw = CAMELLIA_RL8(dw);/* round 14 */ | |
760 | CAMELLIA_SUBKEY_R(19) = CAMELLIA_SUBKEY_L(19) ^ dw, | |
761 | CAMELLIA_SUBKEY_L(19) = dw; | |
762 | dw = CAMELLIA_SUBKEY_L(20) ^ CAMELLIA_SUBKEY_R(20), | |
763 | dw = CAMELLIA_RL8(dw);/* round 15 */ | |
764 | CAMELLIA_SUBKEY_R(20) = CAMELLIA_SUBKEY_L(20) ^ dw, | |
765 | CAMELLIA_SUBKEY_L(20) = dw; | |
766 | dw = CAMELLIA_SUBKEY_L(21) ^ CAMELLIA_SUBKEY_R(21), | |
767 | dw = CAMELLIA_RL8(dw);/* round 16 */ | |
768 | CAMELLIA_SUBKEY_R(21) = CAMELLIA_SUBKEY_L(21) ^ dw, | |
769 | CAMELLIA_SUBKEY_L(21) = dw; | |
770 | dw = CAMELLIA_SUBKEY_L(22) ^ CAMELLIA_SUBKEY_R(22), | |
771 | dw = CAMELLIA_RL8(dw);/* round 17 */ | |
772 | CAMELLIA_SUBKEY_R(22) = CAMELLIA_SUBKEY_L(22) ^ dw, | |
773 | CAMELLIA_SUBKEY_L(22) = dw; | |
774 | dw = CAMELLIA_SUBKEY_L(23) ^ CAMELLIA_SUBKEY_R(23), | |
775 | dw = CAMELLIA_RL8(dw);/* round 18 */ | |
776 | CAMELLIA_SUBKEY_R(23) = CAMELLIA_SUBKEY_L(23) ^ dw, | |
777 | CAMELLIA_SUBKEY_L(23) = dw; | |
778 | ||
779 | return; | |
780 | } | |
781 | ||
782 | ||
783 | static void camellia_setup256(const unsigned char *key, u32 *subkey) | |
784 | { | |
785 | u32 kll,klr,krl,krr; /* left half of key */ | |
786 | u32 krll,krlr,krrl,krrr; /* right half of key */ | |
787 | u32 il, ir, t0, t1, w0, w1; /* temporary variables */ | |
788 | u32 kw4l, kw4r, dw, tl, tr; | |
789 | u32 subL[34]; | |
790 | u32 subR[34]; | |
791 | ||
792 | /** | |
793 | * key = (kll || klr || krl || krr || krll || krlr || krrl || krrr) | |
794 | * (|| is concatination) | |
795 | */ | |
796 | ||
797 | kll = GETU32(key ); | |
798 | klr = GETU32(key + 4); | |
799 | krl = GETU32(key + 8); | |
800 | krr = GETU32(key + 12); | |
801 | krll = GETU32(key + 16); | |
802 | krlr = GETU32(key + 20); | |
803 | krrl = GETU32(key + 24); | |
804 | krrr = GETU32(key + 28); | |
805 | ||
806 | /* generate KL dependent subkeys */ | |
807 | /* kw1 */ | |
808 | SUBL(0) = kll; SUBR(0) = klr; | |
809 | /* kw2 */ | |
810 | SUBL(1) = krl; SUBR(1) = krr; | |
811 | CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 45); | |
812 | /* k9 */ | |
813 | SUBL(12) = kll; SUBR(12) = klr; | |
814 | /* k10 */ | |
815 | SUBL(13) = krl; SUBR(13) = krr; | |
816 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); | |
817 | /* kl3 */ | |
818 | SUBL(16) = kll; SUBR(16) = klr; | |
819 | /* kl4 */ | |
820 | SUBL(17) = krl; SUBR(17) = krr; | |
821 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); | |
822 | /* k17 */ | |
823 | SUBL(22) = kll; SUBR(22) = klr; | |
824 | /* k18 */ | |
825 | SUBL(23) = krl; SUBR(23) = krr; | |
826 | CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34); | |
827 | /* k23 */ | |
828 | SUBL(30) = kll; SUBR(30) = klr; | |
829 | /* k24 */ | |
830 | SUBL(31) = krl; SUBR(31) = krr; | |
831 | ||
832 | /* generate KR dependent subkeys */ | |
833 | CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); | |
834 | /* k3 */ | |
835 | SUBL(4) = krll; SUBR(4) = krlr; | |
836 | /* k4 */ | |
837 | SUBL(5) = krrl; SUBR(5) = krrr; | |
838 | CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); | |
839 | /* kl1 */ | |
840 | SUBL(8) = krll; SUBR(8) = krlr; | |
841 | /* kl2 */ | |
842 | SUBL(9) = krrl; SUBR(9) = krrr; | |
843 | CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); | |
844 | /* k13 */ | |
845 | SUBL(18) = krll; SUBR(18) = krlr; | |
846 | /* k14 */ | |
847 | SUBL(19) = krrl; SUBR(19) = krrr; | |
848 | CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); | |
849 | /* k19 */ | |
850 | SUBL(26) = krll; SUBR(26) = krlr; | |
851 | /* k20 */ | |
852 | SUBL(27) = krrl; SUBR(27) = krrr; | |
853 | CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); | |
854 | ||
855 | /* generate KA */ | |
856 | kll = SUBL(0) ^ krll; klr = SUBR(0) ^ krlr; | |
857 | krl = SUBL(1) ^ krrl; krr = SUBR(1) ^ krrr; | |
858 | CAMELLIA_F(kll, klr, | |
859 | CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R, | |
860 | w0, w1, il, ir, t0, t1); | |
861 | krl ^= w0; krr ^= w1; | |
862 | CAMELLIA_F(krl, krr, | |
863 | CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R, | |
864 | kll, klr, il, ir, t0, t1); | |
865 | kll ^= krll; klr ^= krlr; | |
866 | CAMELLIA_F(kll, klr, | |
867 | CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R, | |
868 | krl, krr, il, ir, t0, t1); | |
869 | krl ^= w0 ^ krrl; krr ^= w1 ^ krrr; | |
870 | CAMELLIA_F(krl, krr, | |
871 | CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R, | |
872 | w0, w1, il, ir, t0, t1); | |
873 | kll ^= w0; klr ^= w1; | |
874 | ||
875 | /* generate KB */ | |
876 | krll ^= kll; krlr ^= klr; | |
877 | krrl ^= krl; krrr ^= krr; | |
878 | CAMELLIA_F(krll, krlr, | |
879 | CAMELLIA_SIGMA5L, CAMELLIA_SIGMA5R, | |
880 | w0, w1, il, ir, t0, t1); | |
881 | krrl ^= w0; krrr ^= w1; | |
882 | CAMELLIA_F(krrl, krrr, | |
883 | CAMELLIA_SIGMA6L, CAMELLIA_SIGMA6R, | |
884 | w0, w1, il, ir, t0, t1); | |
885 | krll ^= w0; krlr ^= w1; | |
886 | ||
887 | /* generate KA dependent subkeys */ | |
888 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); | |
889 | /* k5 */ | |
890 | SUBL(6) = kll; SUBR(6) = klr; | |
891 | /* k6 */ | |
892 | SUBL(7) = krl; SUBR(7) = krr; | |
893 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30); | |
894 | /* k11 */ | |
895 | SUBL(14) = kll; SUBR(14) = klr; | |
896 | /* k12 */ | |
897 | SUBL(15) = krl; SUBR(15) = krr; | |
898 | /* rotation left shift 32bit */ | |
899 | /* kl5 */ | |
900 | SUBL(24) = klr; SUBR(24) = krl; | |
901 | /* kl6 */ | |
902 | SUBL(25) = krr; SUBR(25) = kll; | |
903 | /* rotation left shift 49 from k11,k12 -> k21,k22 */ | |
904 | CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 49); | |
905 | /* k21 */ | |
906 | SUBL(28) = kll; SUBR(28) = klr; | |
907 | /* k22 */ | |
908 | SUBL(29) = krl; SUBR(29) = krr; | |
909 | ||
910 | /* generate KB dependent subkeys */ | |
911 | /* k1 */ | |
912 | SUBL(2) = krll; SUBR(2) = krlr; | |
913 | /* k2 */ | |
914 | SUBL(3) = krrl; SUBR(3) = krrr; | |
915 | CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); | |
916 | /* k7 */ | |
917 | SUBL(10) = krll; SUBR(10) = krlr; | |
918 | /* k8 */ | |
919 | SUBL(11) = krrl; SUBR(11) = krrr; | |
920 | CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); | |
921 | /* k15 */ | |
922 | SUBL(20) = krll; SUBR(20) = krlr; | |
923 | /* k16 */ | |
924 | SUBL(21) = krrl; SUBR(21) = krrr; | |
925 | CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 51); | |
926 | /* kw3 */ | |
927 | SUBL(32) = krll; SUBR(32) = krlr; | |
928 | /* kw4 */ | |
929 | SUBL(33) = krrl; SUBR(33) = krrr; | |
930 | ||
931 | /* absorb kw2 to other subkeys */ | |
932 | /* round 2 */ | |
933 | SUBL(3) ^= SUBL(1); SUBR(3) ^= SUBR(1); | |
934 | /* round 4 */ | |
935 | SUBL(5) ^= SUBL(1); SUBR(5) ^= SUBR(1); | |
936 | /* round 6 */ | |
937 | SUBL(7) ^= SUBL(1); SUBR(7) ^= SUBR(1); | |
938 | SUBL(1) ^= SUBR(1) & ~SUBR(9); | |
939 | dw = SUBL(1) & SUBL(9), | |
940 | SUBR(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl2) */ | |
941 | /* round 8 */ | |
942 | SUBL(11) ^= SUBL(1); SUBR(11) ^= SUBR(1); | |
943 | /* round 10 */ | |
944 | SUBL(13) ^= SUBL(1); SUBR(13) ^= SUBR(1); | |
945 | /* round 12 */ | |
946 | SUBL(15) ^= SUBL(1); SUBR(15) ^= SUBR(1); | |
947 | SUBL(1) ^= SUBR(1) & ~SUBR(17); | |
948 | dw = SUBL(1) & SUBL(17), | |
949 | SUBR(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl4) */ | |
950 | /* round 14 */ | |
951 | SUBL(19) ^= SUBL(1); SUBR(19) ^= SUBR(1); | |
952 | /* round 16 */ | |
953 | SUBL(21) ^= SUBL(1); SUBR(21) ^= SUBR(1); | |
954 | /* round 18 */ | |
955 | SUBL(23) ^= SUBL(1); SUBR(23) ^= SUBR(1); | |
956 | SUBL(1) ^= SUBR(1) & ~SUBR(25); | |
957 | dw = SUBL(1) & SUBL(25), | |
958 | SUBR(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl6) */ | |
959 | /* round 20 */ | |
960 | SUBL(27) ^= SUBL(1); SUBR(27) ^= SUBR(1); | |
961 | /* round 22 */ | |
962 | SUBL(29) ^= SUBL(1); SUBR(29) ^= SUBR(1); | |
963 | /* round 24 */ | |
964 | SUBL(31) ^= SUBL(1); SUBR(31) ^= SUBR(1); | |
965 | /* kw3 */ | |
966 | SUBL(32) ^= SUBL(1); SUBR(32) ^= SUBR(1); | |
967 | ||
968 | ||
969 | /* absorb kw4 to other subkeys */ | |
970 | kw4l = SUBL(33); kw4r = SUBR(33); | |
971 | /* round 23 */ | |
972 | SUBL(30) ^= kw4l; SUBR(30) ^= kw4r; | |
973 | /* round 21 */ | |
974 | SUBL(28) ^= kw4l; SUBR(28) ^= kw4r; | |
975 | /* round 19 */ | |
976 | SUBL(26) ^= kw4l; SUBR(26) ^= kw4r; | |
977 | kw4l ^= kw4r & ~SUBR(24); | |
978 | dw = kw4l & SUBL(24), | |
979 | kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl5) */ | |
980 | /* round 17 */ | |
981 | SUBL(22) ^= kw4l; SUBR(22) ^= kw4r; | |
982 | /* round 15 */ | |
983 | SUBL(20) ^= kw4l; SUBR(20) ^= kw4r; | |
984 | /* round 13 */ | |
985 | SUBL(18) ^= kw4l; SUBR(18) ^= kw4r; | |
986 | kw4l ^= kw4r & ~SUBR(16); | |
987 | dw = kw4l & SUBL(16), | |
988 | kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl3) */ | |
989 | /* round 11 */ | |
990 | SUBL(14) ^= kw4l; SUBR(14) ^= kw4r; | |
991 | /* round 9 */ | |
992 | SUBL(12) ^= kw4l; SUBR(12) ^= kw4r; | |
993 | /* round 7 */ | |
994 | SUBL(10) ^= kw4l; SUBR(10) ^= kw4r; | |
995 | kw4l ^= kw4r & ~SUBR(8); | |
996 | dw = kw4l & SUBL(8), | |
997 | kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl1) */ | |
998 | /* round 5 */ | |
999 | SUBL(6) ^= kw4l; SUBR(6) ^= kw4r; | |
1000 | /* round 3 */ | |
1001 | SUBL(4) ^= kw4l; SUBR(4) ^= kw4r; | |
1002 | /* round 1 */ | |
1003 | SUBL(2) ^= kw4l; SUBR(2) ^= kw4r; | |
1004 | /* kw1 */ | |
1005 | SUBL(0) ^= kw4l; SUBR(0) ^= kw4r; | |
1006 | ||
1007 | /* key XOR is end of F-function */ | |
1008 | CAMELLIA_SUBKEY_L(0) = SUBL(0) ^ SUBL(2);/* kw1 */ | |
1009 | CAMELLIA_SUBKEY_R(0) = SUBR(0) ^ SUBR(2); | |
1010 | CAMELLIA_SUBKEY_L(2) = SUBL(3); /* round 1 */ | |
1011 | CAMELLIA_SUBKEY_R(2) = SUBR(3); | |
1012 | CAMELLIA_SUBKEY_L(3) = SUBL(2) ^ SUBL(4); /* round 2 */ | |
1013 | CAMELLIA_SUBKEY_R(3) = SUBR(2) ^ SUBR(4); | |
1014 | CAMELLIA_SUBKEY_L(4) = SUBL(3) ^ SUBL(5); /* round 3 */ | |
1015 | CAMELLIA_SUBKEY_R(4) = SUBR(3) ^ SUBR(5); | |
1016 | CAMELLIA_SUBKEY_L(5) = SUBL(4) ^ SUBL(6); /* round 4 */ | |
1017 | CAMELLIA_SUBKEY_R(5) = SUBR(4) ^ SUBR(6); | |
1018 | CAMELLIA_SUBKEY_L(6) = SUBL(5) ^ SUBL(7); /* round 5 */ | |
1019 | CAMELLIA_SUBKEY_R(6) = SUBR(5) ^ SUBR(7); | |
1020 | tl = SUBL(10) ^ (SUBR(10) & ~SUBR(8)); | |
1021 | dw = tl & SUBL(8), /* FL(kl1) */ | |
1022 | tr = SUBR(10) ^ CAMELLIA_RL1(dw); | |
1023 | CAMELLIA_SUBKEY_L(7) = SUBL(6) ^ tl; /* round 6 */ | |
1024 | CAMELLIA_SUBKEY_R(7) = SUBR(6) ^ tr; | |
1025 | CAMELLIA_SUBKEY_L(8) = SUBL(8); /* FL(kl1) */ | |
1026 | CAMELLIA_SUBKEY_R(8) = SUBR(8); | |
1027 | CAMELLIA_SUBKEY_L(9) = SUBL(9); /* FLinv(kl2) */ | |
1028 | CAMELLIA_SUBKEY_R(9) = SUBR(9); | |
1029 | tl = SUBL(7) ^ (SUBR(7) & ~SUBR(9)); | |
1030 | dw = tl & SUBL(9), /* FLinv(kl2) */ | |
1031 | tr = SUBR(7) ^ CAMELLIA_RL1(dw); | |
1032 | CAMELLIA_SUBKEY_L(10) = tl ^ SUBL(11); /* round 7 */ | |
1033 | CAMELLIA_SUBKEY_R(10) = tr ^ SUBR(11); | |
1034 | CAMELLIA_SUBKEY_L(11) = SUBL(10) ^ SUBL(12); /* round 8 */ | |
1035 | CAMELLIA_SUBKEY_R(11) = SUBR(10) ^ SUBR(12); | |
1036 | CAMELLIA_SUBKEY_L(12) = SUBL(11) ^ SUBL(13); /* round 9 */ | |
1037 | CAMELLIA_SUBKEY_R(12) = SUBR(11) ^ SUBR(13); | |
1038 | CAMELLIA_SUBKEY_L(13) = SUBL(12) ^ SUBL(14); /* round 10 */ | |
1039 | CAMELLIA_SUBKEY_R(13) = SUBR(12) ^ SUBR(14); | |
1040 | CAMELLIA_SUBKEY_L(14) = SUBL(13) ^ SUBL(15); /* round 11 */ | |
1041 | CAMELLIA_SUBKEY_R(14) = SUBR(13) ^ SUBR(15); | |
1042 | tl = SUBL(18) ^ (SUBR(18) & ~SUBR(16)); | |
1043 | dw = tl & SUBL(16), /* FL(kl3) */ | |
1044 | tr = SUBR(18) ^ CAMELLIA_RL1(dw); | |
1045 | CAMELLIA_SUBKEY_L(15) = SUBL(14) ^ tl; /* round 12 */ | |
1046 | CAMELLIA_SUBKEY_R(15) = SUBR(14) ^ tr; | |
1047 | CAMELLIA_SUBKEY_L(16) = SUBL(16); /* FL(kl3) */ | |
1048 | CAMELLIA_SUBKEY_R(16) = SUBR(16); | |
1049 | CAMELLIA_SUBKEY_L(17) = SUBL(17); /* FLinv(kl4) */ | |
1050 | CAMELLIA_SUBKEY_R(17) = SUBR(17); | |
1051 | tl = SUBL(15) ^ (SUBR(15) & ~SUBR(17)); | |
1052 | dw = tl & SUBL(17), /* FLinv(kl4) */ | |
1053 | tr = SUBR(15) ^ CAMELLIA_RL1(dw); | |
1054 | CAMELLIA_SUBKEY_L(18) = tl ^ SUBL(19); /* round 13 */ | |
1055 | CAMELLIA_SUBKEY_R(18) = tr ^ SUBR(19); | |
1056 | CAMELLIA_SUBKEY_L(19) = SUBL(18) ^ SUBL(20); /* round 14 */ | |
1057 | CAMELLIA_SUBKEY_R(19) = SUBR(18) ^ SUBR(20); | |
1058 | CAMELLIA_SUBKEY_L(20) = SUBL(19) ^ SUBL(21); /* round 15 */ | |
1059 | CAMELLIA_SUBKEY_R(20) = SUBR(19) ^ SUBR(21); | |
1060 | CAMELLIA_SUBKEY_L(21) = SUBL(20) ^ SUBL(22); /* round 16 */ | |
1061 | CAMELLIA_SUBKEY_R(21) = SUBR(20) ^ SUBR(22); | |
1062 | CAMELLIA_SUBKEY_L(22) = SUBL(21) ^ SUBL(23); /* round 17 */ | |
1063 | CAMELLIA_SUBKEY_R(22) = SUBR(21) ^ SUBR(23); | |
1064 | tl = SUBL(26) ^ (SUBR(26) | |
1065 | & ~SUBR(24)); | |
1066 | dw = tl & SUBL(24), /* FL(kl5) */ | |
1067 | tr = SUBR(26) ^ CAMELLIA_RL1(dw); | |
1068 | CAMELLIA_SUBKEY_L(23) = SUBL(22) ^ tl; /* round 18 */ | |
1069 | CAMELLIA_SUBKEY_R(23) = SUBR(22) ^ tr; | |
1070 | CAMELLIA_SUBKEY_L(24) = SUBL(24); /* FL(kl5) */ | |
1071 | CAMELLIA_SUBKEY_R(24) = SUBR(24); | |
1072 | CAMELLIA_SUBKEY_L(25) = SUBL(25); /* FLinv(kl6) */ | |
1073 | CAMELLIA_SUBKEY_R(25) = SUBR(25); | |
1074 | tl = SUBL(23) ^ (SUBR(23) & | |
1075 | ~SUBR(25)); | |
1076 | dw = tl & SUBL(25), /* FLinv(kl6) */ | |
1077 | tr = SUBR(23) ^ CAMELLIA_RL1(dw); | |
1078 | CAMELLIA_SUBKEY_L(26) = tl ^ SUBL(27); /* round 19 */ | |
1079 | CAMELLIA_SUBKEY_R(26) = tr ^ SUBR(27); | |
1080 | CAMELLIA_SUBKEY_L(27) = SUBL(26) ^ SUBL(28); /* round 20 */ | |
1081 | CAMELLIA_SUBKEY_R(27) = SUBR(26) ^ SUBR(28); | |
1082 | CAMELLIA_SUBKEY_L(28) = SUBL(27) ^ SUBL(29); /* round 21 */ | |
1083 | CAMELLIA_SUBKEY_R(28) = SUBR(27) ^ SUBR(29); | |
1084 | CAMELLIA_SUBKEY_L(29) = SUBL(28) ^ SUBL(30); /* round 22 */ | |
1085 | CAMELLIA_SUBKEY_R(29) = SUBR(28) ^ SUBR(30); | |
1086 | CAMELLIA_SUBKEY_L(30) = SUBL(29) ^ SUBL(31); /* round 23 */ | |
1087 | CAMELLIA_SUBKEY_R(30) = SUBR(29) ^ SUBR(31); | |
1088 | CAMELLIA_SUBKEY_L(31) = SUBL(30); /* round 24 */ | |
1089 | CAMELLIA_SUBKEY_R(31) = SUBR(30); | |
1090 | CAMELLIA_SUBKEY_L(32) = SUBL(32) ^ SUBL(31); /* kw3 */ | |
1091 | CAMELLIA_SUBKEY_R(32) = SUBR(32) ^ SUBR(31); | |
1092 | ||
1093 | /* apply the inverse of the last half of P-function */ | |
1094 | dw = CAMELLIA_SUBKEY_L(2) ^ CAMELLIA_SUBKEY_R(2), | |
1095 | dw = CAMELLIA_RL8(dw);/* round 1 */ | |
1096 | CAMELLIA_SUBKEY_R(2) = CAMELLIA_SUBKEY_L(2) ^ dw, | |
1097 | CAMELLIA_SUBKEY_L(2) = dw; | |
1098 | dw = CAMELLIA_SUBKEY_L(3) ^ CAMELLIA_SUBKEY_R(3), | |
1099 | dw = CAMELLIA_RL8(dw);/* round 2 */ | |
1100 | CAMELLIA_SUBKEY_R(3) = CAMELLIA_SUBKEY_L(3) ^ dw, | |
1101 | CAMELLIA_SUBKEY_L(3) = dw; | |
1102 | dw = CAMELLIA_SUBKEY_L(4) ^ CAMELLIA_SUBKEY_R(4), | |
1103 | dw = CAMELLIA_RL8(dw);/* round 3 */ | |
1104 | CAMELLIA_SUBKEY_R(4) = CAMELLIA_SUBKEY_L(4) ^ dw, | |
1105 | CAMELLIA_SUBKEY_L(4) = dw; | |
1106 | dw = CAMELLIA_SUBKEY_L(5) ^ CAMELLIA_SUBKEY_R(5), | |
1107 | dw = CAMELLIA_RL8(dw);/* round 4 */ | |
1108 | CAMELLIA_SUBKEY_R(5) = CAMELLIA_SUBKEY_L(5) ^ dw, | |
1109 | CAMELLIA_SUBKEY_L(5) = dw; | |
1110 | dw = CAMELLIA_SUBKEY_L(6) ^ CAMELLIA_SUBKEY_R(6), | |
1111 | dw = CAMELLIA_RL8(dw);/* round 5 */ | |
1112 | CAMELLIA_SUBKEY_R(6) = CAMELLIA_SUBKEY_L(6) ^ dw, | |
1113 | CAMELLIA_SUBKEY_L(6) = dw; | |
1114 | dw = CAMELLIA_SUBKEY_L(7) ^ CAMELLIA_SUBKEY_R(7), | |
1115 | dw = CAMELLIA_RL8(dw);/* round 6 */ | |
1116 | CAMELLIA_SUBKEY_R(7) = CAMELLIA_SUBKEY_L(7) ^ dw, | |
1117 | CAMELLIA_SUBKEY_L(7) = dw; | |
1118 | dw = CAMELLIA_SUBKEY_L(10) ^ CAMELLIA_SUBKEY_R(10), | |
1119 | dw = CAMELLIA_RL8(dw);/* round 7 */ | |
1120 | CAMELLIA_SUBKEY_R(10) = CAMELLIA_SUBKEY_L(10) ^ dw, | |
1121 | CAMELLIA_SUBKEY_L(10) = dw; | |
1122 | dw = CAMELLIA_SUBKEY_L(11) ^ CAMELLIA_SUBKEY_R(11), | |
1123 | dw = CAMELLIA_RL8(dw);/* round 8 */ | |
1124 | CAMELLIA_SUBKEY_R(11) = CAMELLIA_SUBKEY_L(11) ^ dw, | |
1125 | CAMELLIA_SUBKEY_L(11) = dw; | |
1126 | dw = CAMELLIA_SUBKEY_L(12) ^ CAMELLIA_SUBKEY_R(12), | |
1127 | dw = CAMELLIA_RL8(dw);/* round 9 */ | |
1128 | CAMELLIA_SUBKEY_R(12) = CAMELLIA_SUBKEY_L(12) ^ dw, | |
1129 | CAMELLIA_SUBKEY_L(12) = dw; | |
1130 | dw = CAMELLIA_SUBKEY_L(13) ^ CAMELLIA_SUBKEY_R(13), | |
1131 | dw = CAMELLIA_RL8(dw);/* round 10 */ | |
1132 | CAMELLIA_SUBKEY_R(13) = CAMELLIA_SUBKEY_L(13) ^ dw, | |
1133 | CAMELLIA_SUBKEY_L(13) = dw; | |
1134 | dw = CAMELLIA_SUBKEY_L(14) ^ CAMELLIA_SUBKEY_R(14), | |
1135 | dw = CAMELLIA_RL8(dw);/* round 11 */ | |
1136 | CAMELLIA_SUBKEY_R(14) = CAMELLIA_SUBKEY_L(14) ^ dw, | |
1137 | CAMELLIA_SUBKEY_L(14) = dw; | |
1138 | dw = CAMELLIA_SUBKEY_L(15) ^ CAMELLIA_SUBKEY_R(15), | |
1139 | dw = CAMELLIA_RL8(dw);/* round 12 */ | |
1140 | CAMELLIA_SUBKEY_R(15) = CAMELLIA_SUBKEY_L(15) ^ dw, | |
1141 | CAMELLIA_SUBKEY_L(15) = dw; | |
1142 | dw = CAMELLIA_SUBKEY_L(18) ^ CAMELLIA_SUBKEY_R(18), | |
1143 | dw = CAMELLIA_RL8(dw);/* round 13 */ | |
1144 | CAMELLIA_SUBKEY_R(18) = CAMELLIA_SUBKEY_L(18) ^ dw, | |
1145 | CAMELLIA_SUBKEY_L(18) = dw; | |
1146 | dw = CAMELLIA_SUBKEY_L(19) ^ CAMELLIA_SUBKEY_R(19), | |
1147 | dw = CAMELLIA_RL8(dw);/* round 14 */ | |
1148 | CAMELLIA_SUBKEY_R(19) = CAMELLIA_SUBKEY_L(19) ^ dw, | |
1149 | CAMELLIA_SUBKEY_L(19) = dw; | |
1150 | dw = CAMELLIA_SUBKEY_L(20) ^ CAMELLIA_SUBKEY_R(20), | |
1151 | dw = CAMELLIA_RL8(dw);/* round 15 */ | |
1152 | CAMELLIA_SUBKEY_R(20) = CAMELLIA_SUBKEY_L(20) ^ dw, | |
1153 | CAMELLIA_SUBKEY_L(20) = dw; | |
1154 | dw = CAMELLIA_SUBKEY_L(21) ^ CAMELLIA_SUBKEY_R(21), | |
1155 | dw = CAMELLIA_RL8(dw);/* round 16 */ | |
1156 | CAMELLIA_SUBKEY_R(21) = CAMELLIA_SUBKEY_L(21) ^ dw, | |
1157 | CAMELLIA_SUBKEY_L(21) = dw; | |
1158 | dw = CAMELLIA_SUBKEY_L(22) ^ CAMELLIA_SUBKEY_R(22), | |
1159 | dw = CAMELLIA_RL8(dw);/* round 17 */ | |
1160 | CAMELLIA_SUBKEY_R(22) = CAMELLIA_SUBKEY_L(22) ^ dw, | |
1161 | CAMELLIA_SUBKEY_L(22) = dw; | |
1162 | dw = CAMELLIA_SUBKEY_L(23) ^ CAMELLIA_SUBKEY_R(23), | |
1163 | dw = CAMELLIA_RL8(dw);/* round 18 */ | |
1164 | CAMELLIA_SUBKEY_R(23) = CAMELLIA_SUBKEY_L(23) ^ dw, | |
1165 | CAMELLIA_SUBKEY_L(23) = dw; | |
1166 | dw = CAMELLIA_SUBKEY_L(26) ^ CAMELLIA_SUBKEY_R(26), | |
1167 | dw = CAMELLIA_RL8(dw);/* round 19 */ | |
1168 | CAMELLIA_SUBKEY_R(26) = CAMELLIA_SUBKEY_L(26) ^ dw, | |
1169 | CAMELLIA_SUBKEY_L(26) = dw; | |
1170 | dw = CAMELLIA_SUBKEY_L(27) ^ CAMELLIA_SUBKEY_R(27), | |
1171 | dw = CAMELLIA_RL8(dw);/* round 20 */ | |
1172 | CAMELLIA_SUBKEY_R(27) = CAMELLIA_SUBKEY_L(27) ^ dw, | |
1173 | CAMELLIA_SUBKEY_L(27) = dw; | |
1174 | dw = CAMELLIA_SUBKEY_L(28) ^ CAMELLIA_SUBKEY_R(28), | |
1175 | dw = CAMELLIA_RL8(dw);/* round 21 */ | |
1176 | CAMELLIA_SUBKEY_R(28) = CAMELLIA_SUBKEY_L(28) ^ dw, | |
1177 | CAMELLIA_SUBKEY_L(28) = dw; | |
1178 | dw = CAMELLIA_SUBKEY_L(29) ^ CAMELLIA_SUBKEY_R(29), | |
1179 | dw = CAMELLIA_RL8(dw);/* round 22 */ | |
1180 | CAMELLIA_SUBKEY_R(29) = CAMELLIA_SUBKEY_L(29) ^ dw, | |
1181 | CAMELLIA_SUBKEY_L(29) = dw; | |
1182 | dw = CAMELLIA_SUBKEY_L(30) ^ CAMELLIA_SUBKEY_R(30), | |
1183 | dw = CAMELLIA_RL8(dw);/* round 23 */ | |
1184 | CAMELLIA_SUBKEY_R(30) = CAMELLIA_SUBKEY_L(30) ^ dw, | |
1185 | CAMELLIA_SUBKEY_L(30) = dw; | |
1186 | dw = CAMELLIA_SUBKEY_L(31) ^ CAMELLIA_SUBKEY_R(31), | |
1187 | dw = CAMELLIA_RL8(dw);/* round 24 */ | |
1188 | CAMELLIA_SUBKEY_R(31) = CAMELLIA_SUBKEY_L(31) ^ dw, | |
1189 | CAMELLIA_SUBKEY_L(31) = dw; | |
1190 | ||
1191 | return; | |
1192 | } | |
1193 | ||
1194 | static void camellia_setup192(const unsigned char *key, u32 *subkey) | |
1195 | { | |
1196 | unsigned char kk[32]; | |
1197 | u32 krll, krlr, krrl,krrr; | |
1198 | ||
1199 | memcpy(kk, key, 24); | |
1200 | memcpy((unsigned char *)&krll, key+16,4); | |
1201 | memcpy((unsigned char *)&krlr, key+20,4); | |
1202 | krrl = ~krll; | |
1203 | krrr = ~krlr; | |
1204 | memcpy(kk+24, (unsigned char *)&krrl, 4); | |
1205 | memcpy(kk+28, (unsigned char *)&krrr, 4); | |
1206 | camellia_setup256(kk, subkey); | |
1207 | return; | |
1208 | } | |
1209 | ||
1210 | ||
1211 | /** | |
1212 | * Stuff related to camellia encryption/decryption | |
1213 | */ | |
1214 | static void camellia_encrypt128(const u32 *subkey, __be32 *io_text) | |
1215 | { | |
1216 | u32 il,ir,t0,t1; /* temporary valiables */ | |
1217 | ||
1218 | u32 io[4]; | |
1219 | ||
1220 | io[0] = be32_to_cpu(io_text[0]); | |
1221 | io[1] = be32_to_cpu(io_text[1]); | |
1222 | io[2] = be32_to_cpu(io_text[2]); | |
1223 | io[3] = be32_to_cpu(io_text[3]); | |
1224 | ||
1225 | /* pre whitening but absorb kw2*/ | |
1226 | io[0] ^= CAMELLIA_SUBKEY_L(0); | |
1227 | io[1] ^= CAMELLIA_SUBKEY_R(0); | |
1228 | /* main iteration */ | |
1229 | ||
1230 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1231 | CAMELLIA_SUBKEY_L(2),CAMELLIA_SUBKEY_R(2), | |
1232 | io[2],io[3],il,ir,t0,t1); | |
1233 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1234 | CAMELLIA_SUBKEY_L(3),CAMELLIA_SUBKEY_R(3), | |
1235 | io[0],io[1],il,ir,t0,t1); | |
1236 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1237 | CAMELLIA_SUBKEY_L(4),CAMELLIA_SUBKEY_R(4), | |
1238 | io[2],io[3],il,ir,t0,t1); | |
1239 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1240 | CAMELLIA_SUBKEY_L(5),CAMELLIA_SUBKEY_R(5), | |
1241 | io[0],io[1],il,ir,t0,t1); | |
1242 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1243 | CAMELLIA_SUBKEY_L(6),CAMELLIA_SUBKEY_R(6), | |
1244 | io[2],io[3],il,ir,t0,t1); | |
1245 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1246 | CAMELLIA_SUBKEY_L(7),CAMELLIA_SUBKEY_R(7), | |
1247 | io[0],io[1],il,ir,t0,t1); | |
1248 | ||
1249 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], | |
1250 | CAMELLIA_SUBKEY_L(8),CAMELLIA_SUBKEY_R(8), | |
1251 | CAMELLIA_SUBKEY_L(9),CAMELLIA_SUBKEY_R(9), | |
1252 | t0,t1,il,ir); | |
1253 | ||
1254 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1255 | CAMELLIA_SUBKEY_L(10),CAMELLIA_SUBKEY_R(10), | |
1256 | io[2],io[3],il,ir,t0,t1); | |
1257 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1258 | CAMELLIA_SUBKEY_L(11),CAMELLIA_SUBKEY_R(11), | |
1259 | io[0],io[1],il,ir,t0,t1); | |
1260 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1261 | CAMELLIA_SUBKEY_L(12),CAMELLIA_SUBKEY_R(12), | |
1262 | io[2],io[3],il,ir,t0,t1); | |
1263 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1264 | CAMELLIA_SUBKEY_L(13),CAMELLIA_SUBKEY_R(13), | |
1265 | io[0],io[1],il,ir,t0,t1); | |
1266 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1267 | CAMELLIA_SUBKEY_L(14),CAMELLIA_SUBKEY_R(14), | |
1268 | io[2],io[3],il,ir,t0,t1); | |
1269 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1270 | CAMELLIA_SUBKEY_L(15),CAMELLIA_SUBKEY_R(15), | |
1271 | io[0],io[1],il,ir,t0,t1); | |
1272 | ||
1273 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], | |
1274 | CAMELLIA_SUBKEY_L(16),CAMELLIA_SUBKEY_R(16), | |
1275 | CAMELLIA_SUBKEY_L(17),CAMELLIA_SUBKEY_R(17), | |
1276 | t0,t1,il,ir); | |
1277 | ||
1278 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1279 | CAMELLIA_SUBKEY_L(18),CAMELLIA_SUBKEY_R(18), | |
1280 | io[2],io[3],il,ir,t0,t1); | |
1281 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1282 | CAMELLIA_SUBKEY_L(19),CAMELLIA_SUBKEY_R(19), | |
1283 | io[0],io[1],il,ir,t0,t1); | |
1284 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1285 | CAMELLIA_SUBKEY_L(20),CAMELLIA_SUBKEY_R(20), | |
1286 | io[2],io[3],il,ir,t0,t1); | |
1287 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1288 | CAMELLIA_SUBKEY_L(21),CAMELLIA_SUBKEY_R(21), | |
1289 | io[0],io[1],il,ir,t0,t1); | |
1290 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1291 | CAMELLIA_SUBKEY_L(22),CAMELLIA_SUBKEY_R(22), | |
1292 | io[2],io[3],il,ir,t0,t1); | |
1293 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1294 | CAMELLIA_SUBKEY_L(23),CAMELLIA_SUBKEY_R(23), | |
1295 | io[0],io[1],il,ir,t0,t1); | |
1296 | ||
1297 | /* post whitening but kw4 */ | |
1298 | io[2] ^= CAMELLIA_SUBKEY_L(24); | |
1299 | io[3] ^= CAMELLIA_SUBKEY_R(24); | |
1300 | ||
1301 | t0 = io[0]; | |
1302 | t1 = io[1]; | |
1303 | io[0] = io[2]; | |
1304 | io[1] = io[3]; | |
1305 | io[2] = t0; | |
1306 | io[3] = t1; | |
1307 | ||
1308 | io_text[0] = cpu_to_be32(io[0]); | |
1309 | io_text[1] = cpu_to_be32(io[1]); | |
1310 | io_text[2] = cpu_to_be32(io[2]); | |
1311 | io_text[3] = cpu_to_be32(io[3]); | |
1312 | ||
1313 | return; | |
1314 | } | |
1315 | ||
1316 | static void camellia_decrypt128(const u32 *subkey, __be32 *io_text) | |
1317 | { | |
1318 | u32 il,ir,t0,t1; /* temporary valiables */ | |
1319 | ||
1320 | u32 io[4]; | |
1321 | ||
1322 | io[0] = be32_to_cpu(io_text[0]); | |
1323 | io[1] = be32_to_cpu(io_text[1]); | |
1324 | io[2] = be32_to_cpu(io_text[2]); | |
1325 | io[3] = be32_to_cpu(io_text[3]); | |
1326 | ||
1327 | /* pre whitening but absorb kw2*/ | |
1328 | io[0] ^= CAMELLIA_SUBKEY_L(24); | |
1329 | io[1] ^= CAMELLIA_SUBKEY_R(24); | |
1330 | ||
1331 | /* main iteration */ | |
1332 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1333 | CAMELLIA_SUBKEY_L(23),CAMELLIA_SUBKEY_R(23), | |
1334 | io[2],io[3],il,ir,t0,t1); | |
1335 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1336 | CAMELLIA_SUBKEY_L(22),CAMELLIA_SUBKEY_R(22), | |
1337 | io[0],io[1],il,ir,t0,t1); | |
1338 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1339 | CAMELLIA_SUBKEY_L(21),CAMELLIA_SUBKEY_R(21), | |
1340 | io[2],io[3],il,ir,t0,t1); | |
1341 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1342 | CAMELLIA_SUBKEY_L(20),CAMELLIA_SUBKEY_R(20), | |
1343 | io[0],io[1],il,ir,t0,t1); | |
1344 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1345 | CAMELLIA_SUBKEY_L(19),CAMELLIA_SUBKEY_R(19), | |
1346 | io[2],io[3],il,ir,t0,t1); | |
1347 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1348 | CAMELLIA_SUBKEY_L(18),CAMELLIA_SUBKEY_R(18), | |
1349 | io[0],io[1],il,ir,t0,t1); | |
1350 | ||
1351 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], | |
1352 | CAMELLIA_SUBKEY_L(17),CAMELLIA_SUBKEY_R(17), | |
1353 | CAMELLIA_SUBKEY_L(16),CAMELLIA_SUBKEY_R(16), | |
1354 | t0,t1,il,ir); | |
1355 | ||
1356 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1357 | CAMELLIA_SUBKEY_L(15),CAMELLIA_SUBKEY_R(15), | |
1358 | io[2],io[3],il,ir,t0,t1); | |
1359 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1360 | CAMELLIA_SUBKEY_L(14),CAMELLIA_SUBKEY_R(14), | |
1361 | io[0],io[1],il,ir,t0,t1); | |
1362 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1363 | CAMELLIA_SUBKEY_L(13),CAMELLIA_SUBKEY_R(13), | |
1364 | io[2],io[3],il,ir,t0,t1); | |
1365 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1366 | CAMELLIA_SUBKEY_L(12),CAMELLIA_SUBKEY_R(12), | |
1367 | io[0],io[1],il,ir,t0,t1); | |
1368 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1369 | CAMELLIA_SUBKEY_L(11),CAMELLIA_SUBKEY_R(11), | |
1370 | io[2],io[3],il,ir,t0,t1); | |
1371 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1372 | CAMELLIA_SUBKEY_L(10),CAMELLIA_SUBKEY_R(10), | |
1373 | io[0],io[1],il,ir,t0,t1); | |
1374 | ||
1375 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], | |
1376 | CAMELLIA_SUBKEY_L(9),CAMELLIA_SUBKEY_R(9), | |
1377 | CAMELLIA_SUBKEY_L(8),CAMELLIA_SUBKEY_R(8), | |
1378 | t0,t1,il,ir); | |
1379 | ||
1380 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1381 | CAMELLIA_SUBKEY_L(7),CAMELLIA_SUBKEY_R(7), | |
1382 | io[2],io[3],il,ir,t0,t1); | |
1383 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1384 | CAMELLIA_SUBKEY_L(6),CAMELLIA_SUBKEY_R(6), | |
1385 | io[0],io[1],il,ir,t0,t1); | |
1386 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1387 | CAMELLIA_SUBKEY_L(5),CAMELLIA_SUBKEY_R(5), | |
1388 | io[2],io[3],il,ir,t0,t1); | |
1389 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1390 | CAMELLIA_SUBKEY_L(4),CAMELLIA_SUBKEY_R(4), | |
1391 | io[0],io[1],il,ir,t0,t1); | |
1392 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1393 | CAMELLIA_SUBKEY_L(3),CAMELLIA_SUBKEY_R(3), | |
1394 | io[2],io[3],il,ir,t0,t1); | |
1395 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1396 | CAMELLIA_SUBKEY_L(2),CAMELLIA_SUBKEY_R(2), | |
1397 | io[0],io[1],il,ir,t0,t1); | |
1398 | ||
1399 | /* post whitening but kw4 */ | |
1400 | io[2] ^= CAMELLIA_SUBKEY_L(0); | |
1401 | io[3] ^= CAMELLIA_SUBKEY_R(0); | |
1402 | ||
1403 | t0 = io[0]; | |
1404 | t1 = io[1]; | |
1405 | io[0] = io[2]; | |
1406 | io[1] = io[3]; | |
1407 | io[2] = t0; | |
1408 | io[3] = t1; | |
1409 | ||
1410 | io_text[0] = cpu_to_be32(io[0]); | |
1411 | io_text[1] = cpu_to_be32(io[1]); | |
1412 | io_text[2] = cpu_to_be32(io[2]); | |
1413 | io_text[3] = cpu_to_be32(io[3]); | |
1414 | ||
1415 | return; | |
1416 | } | |
1417 | ||
1418 | ||
1419 | /** | |
1420 | * stuff for 192 and 256bit encryption/decryption | |
1421 | */ | |
1422 | static void camellia_encrypt256(const u32 *subkey, __be32 *io_text) | |
1423 | { | |
1424 | u32 il,ir,t0,t1; /* temporary valiables */ | |
1425 | ||
1426 | u32 io[4]; | |
1427 | ||
1428 | io[0] = be32_to_cpu(io_text[0]); | |
1429 | io[1] = be32_to_cpu(io_text[1]); | |
1430 | io[2] = be32_to_cpu(io_text[2]); | |
1431 | io[3] = be32_to_cpu(io_text[3]); | |
1432 | ||
1433 | /* pre whitening but absorb kw2*/ | |
1434 | io[0] ^= CAMELLIA_SUBKEY_L(0); | |
1435 | io[1] ^= CAMELLIA_SUBKEY_R(0); | |
1436 | ||
1437 | /* main iteration */ | |
1438 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1439 | CAMELLIA_SUBKEY_L(2),CAMELLIA_SUBKEY_R(2), | |
1440 | io[2],io[3],il,ir,t0,t1); | |
1441 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1442 | CAMELLIA_SUBKEY_L(3),CAMELLIA_SUBKEY_R(3), | |
1443 | io[0],io[1],il,ir,t0,t1); | |
1444 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1445 | CAMELLIA_SUBKEY_L(4),CAMELLIA_SUBKEY_R(4), | |
1446 | io[2],io[3],il,ir,t0,t1); | |
1447 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1448 | CAMELLIA_SUBKEY_L(5),CAMELLIA_SUBKEY_R(5), | |
1449 | io[0],io[1],il,ir,t0,t1); | |
1450 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1451 | CAMELLIA_SUBKEY_L(6),CAMELLIA_SUBKEY_R(6), | |
1452 | io[2],io[3],il,ir,t0,t1); | |
1453 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1454 | CAMELLIA_SUBKEY_L(7),CAMELLIA_SUBKEY_R(7), | |
1455 | io[0],io[1],il,ir,t0,t1); | |
1456 | ||
1457 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], | |
1458 | CAMELLIA_SUBKEY_L(8),CAMELLIA_SUBKEY_R(8), | |
1459 | CAMELLIA_SUBKEY_L(9),CAMELLIA_SUBKEY_R(9), | |
1460 | t0,t1,il,ir); | |
1461 | ||
1462 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1463 | CAMELLIA_SUBKEY_L(10),CAMELLIA_SUBKEY_R(10), | |
1464 | io[2],io[3],il,ir,t0,t1); | |
1465 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1466 | CAMELLIA_SUBKEY_L(11),CAMELLIA_SUBKEY_R(11), | |
1467 | io[0],io[1],il,ir,t0,t1); | |
1468 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1469 | CAMELLIA_SUBKEY_L(12),CAMELLIA_SUBKEY_R(12), | |
1470 | io[2],io[3],il,ir,t0,t1); | |
1471 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1472 | CAMELLIA_SUBKEY_L(13),CAMELLIA_SUBKEY_R(13), | |
1473 | io[0],io[1],il,ir,t0,t1); | |
1474 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1475 | CAMELLIA_SUBKEY_L(14),CAMELLIA_SUBKEY_R(14), | |
1476 | io[2],io[3],il,ir,t0,t1); | |
1477 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1478 | CAMELLIA_SUBKEY_L(15),CAMELLIA_SUBKEY_R(15), | |
1479 | io[0],io[1],il,ir,t0,t1); | |
1480 | ||
1481 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], | |
1482 | CAMELLIA_SUBKEY_L(16),CAMELLIA_SUBKEY_R(16), | |
1483 | CAMELLIA_SUBKEY_L(17),CAMELLIA_SUBKEY_R(17), | |
1484 | t0,t1,il,ir); | |
1485 | ||
1486 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1487 | CAMELLIA_SUBKEY_L(18),CAMELLIA_SUBKEY_R(18), | |
1488 | io[2],io[3],il,ir,t0,t1); | |
1489 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1490 | CAMELLIA_SUBKEY_L(19),CAMELLIA_SUBKEY_R(19), | |
1491 | io[0],io[1],il,ir,t0,t1); | |
1492 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1493 | CAMELLIA_SUBKEY_L(20),CAMELLIA_SUBKEY_R(20), | |
1494 | io[2],io[3],il,ir,t0,t1); | |
1495 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1496 | CAMELLIA_SUBKEY_L(21),CAMELLIA_SUBKEY_R(21), | |
1497 | io[0],io[1],il,ir,t0,t1); | |
1498 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1499 | CAMELLIA_SUBKEY_L(22),CAMELLIA_SUBKEY_R(22), | |
1500 | io[2],io[3],il,ir,t0,t1); | |
1501 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1502 | CAMELLIA_SUBKEY_L(23),CAMELLIA_SUBKEY_R(23), | |
1503 | io[0],io[1],il,ir,t0,t1); | |
1504 | ||
1505 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], | |
1506 | CAMELLIA_SUBKEY_L(24),CAMELLIA_SUBKEY_R(24), | |
1507 | CAMELLIA_SUBKEY_L(25),CAMELLIA_SUBKEY_R(25), | |
1508 | t0,t1,il,ir); | |
1509 | ||
1510 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1511 | CAMELLIA_SUBKEY_L(26),CAMELLIA_SUBKEY_R(26), | |
1512 | io[2],io[3],il,ir,t0,t1); | |
1513 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1514 | CAMELLIA_SUBKEY_L(27),CAMELLIA_SUBKEY_R(27), | |
1515 | io[0],io[1],il,ir,t0,t1); | |
1516 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1517 | CAMELLIA_SUBKEY_L(28),CAMELLIA_SUBKEY_R(28), | |
1518 | io[2],io[3],il,ir,t0,t1); | |
1519 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1520 | CAMELLIA_SUBKEY_L(29),CAMELLIA_SUBKEY_R(29), | |
1521 | io[0],io[1],il,ir,t0,t1); | |
1522 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1523 | CAMELLIA_SUBKEY_L(30),CAMELLIA_SUBKEY_R(30), | |
1524 | io[2],io[3],il,ir,t0,t1); | |
1525 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1526 | CAMELLIA_SUBKEY_L(31),CAMELLIA_SUBKEY_R(31), | |
1527 | io[0],io[1],il,ir,t0,t1); | |
1528 | ||
1529 | /* post whitening but kw4 */ | |
1530 | io[2] ^= CAMELLIA_SUBKEY_L(32); | |
1531 | io[3] ^= CAMELLIA_SUBKEY_R(32); | |
1532 | ||
1533 | t0 = io[0]; | |
1534 | t1 = io[1]; | |
1535 | io[0] = io[2]; | |
1536 | io[1] = io[3]; | |
1537 | io[2] = t0; | |
1538 | io[3] = t1; | |
1539 | ||
1540 | io_text[0] = cpu_to_be32(io[0]); | |
1541 | io_text[1] = cpu_to_be32(io[1]); | |
1542 | io_text[2] = cpu_to_be32(io[2]); | |
1543 | io_text[3] = cpu_to_be32(io[3]); | |
1544 | ||
1545 | return; | |
1546 | } | |
1547 | ||
1548 | ||
1549 | static void camellia_decrypt256(const u32 *subkey, __be32 *io_text) | |
1550 | { | |
1551 | u32 il,ir,t0,t1; /* temporary valiables */ | |
1552 | ||
1553 | u32 io[4]; | |
1554 | ||
1555 | io[0] = be32_to_cpu(io_text[0]); | |
1556 | io[1] = be32_to_cpu(io_text[1]); | |
1557 | io[2] = be32_to_cpu(io_text[2]); | |
1558 | io[3] = be32_to_cpu(io_text[3]); | |
1559 | ||
1560 | /* pre whitening but absorb kw2*/ | |
1561 | io[0] ^= CAMELLIA_SUBKEY_L(32); | |
1562 | io[1] ^= CAMELLIA_SUBKEY_R(32); | |
1563 | ||
1564 | /* main iteration */ | |
1565 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1566 | CAMELLIA_SUBKEY_L(31),CAMELLIA_SUBKEY_R(31), | |
1567 | io[2],io[3],il,ir,t0,t1); | |
1568 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1569 | CAMELLIA_SUBKEY_L(30),CAMELLIA_SUBKEY_R(30), | |
1570 | io[0],io[1],il,ir,t0,t1); | |
1571 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1572 | CAMELLIA_SUBKEY_L(29),CAMELLIA_SUBKEY_R(29), | |
1573 | io[2],io[3],il,ir,t0,t1); | |
1574 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1575 | CAMELLIA_SUBKEY_L(28),CAMELLIA_SUBKEY_R(28), | |
1576 | io[0],io[1],il,ir,t0,t1); | |
1577 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1578 | CAMELLIA_SUBKEY_L(27),CAMELLIA_SUBKEY_R(27), | |
1579 | io[2],io[3],il,ir,t0,t1); | |
1580 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1581 | CAMELLIA_SUBKEY_L(26),CAMELLIA_SUBKEY_R(26), | |
1582 | io[0],io[1],il,ir,t0,t1); | |
1583 | ||
1584 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], | |
1585 | CAMELLIA_SUBKEY_L(25),CAMELLIA_SUBKEY_R(25), | |
1586 | CAMELLIA_SUBKEY_L(24),CAMELLIA_SUBKEY_R(24), | |
1587 | t0,t1,il,ir); | |
1588 | ||
1589 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1590 | CAMELLIA_SUBKEY_L(23),CAMELLIA_SUBKEY_R(23), | |
1591 | io[2],io[3],il,ir,t0,t1); | |
1592 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1593 | CAMELLIA_SUBKEY_L(22),CAMELLIA_SUBKEY_R(22), | |
1594 | io[0],io[1],il,ir,t0,t1); | |
1595 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1596 | CAMELLIA_SUBKEY_L(21),CAMELLIA_SUBKEY_R(21), | |
1597 | io[2],io[3],il,ir,t0,t1); | |
1598 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1599 | CAMELLIA_SUBKEY_L(20),CAMELLIA_SUBKEY_R(20), | |
1600 | io[0],io[1],il,ir,t0,t1); | |
1601 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1602 | CAMELLIA_SUBKEY_L(19),CAMELLIA_SUBKEY_R(19), | |
1603 | io[2],io[3],il,ir,t0,t1); | |
1604 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1605 | CAMELLIA_SUBKEY_L(18),CAMELLIA_SUBKEY_R(18), | |
1606 | io[0],io[1],il,ir,t0,t1); | |
1607 | ||
1608 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], | |
1609 | CAMELLIA_SUBKEY_L(17),CAMELLIA_SUBKEY_R(17), | |
1610 | CAMELLIA_SUBKEY_L(16),CAMELLIA_SUBKEY_R(16), | |
1611 | t0,t1,il,ir); | |
1612 | ||
1613 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1614 | CAMELLIA_SUBKEY_L(15),CAMELLIA_SUBKEY_R(15), | |
1615 | io[2],io[3],il,ir,t0,t1); | |
1616 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1617 | CAMELLIA_SUBKEY_L(14),CAMELLIA_SUBKEY_R(14), | |
1618 | io[0],io[1],il,ir,t0,t1); | |
1619 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1620 | CAMELLIA_SUBKEY_L(13),CAMELLIA_SUBKEY_R(13), | |
1621 | io[2],io[3],il,ir,t0,t1); | |
1622 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1623 | CAMELLIA_SUBKEY_L(12),CAMELLIA_SUBKEY_R(12), | |
1624 | io[0],io[1],il,ir,t0,t1); | |
1625 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1626 | CAMELLIA_SUBKEY_L(11),CAMELLIA_SUBKEY_R(11), | |
1627 | io[2],io[3],il,ir,t0,t1); | |
1628 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1629 | CAMELLIA_SUBKEY_L(10),CAMELLIA_SUBKEY_R(10), | |
1630 | io[0],io[1],il,ir,t0,t1); | |
1631 | ||
1632 | CAMELLIA_FLS(io[0],io[1],io[2],io[3], | |
1633 | CAMELLIA_SUBKEY_L(9),CAMELLIA_SUBKEY_R(9), | |
1634 | CAMELLIA_SUBKEY_L(8),CAMELLIA_SUBKEY_R(8), | |
1635 | t0,t1,il,ir); | |
1636 | ||
1637 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1638 | CAMELLIA_SUBKEY_L(7),CAMELLIA_SUBKEY_R(7), | |
1639 | io[2],io[3],il,ir,t0,t1); | |
1640 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1641 | CAMELLIA_SUBKEY_L(6),CAMELLIA_SUBKEY_R(6), | |
1642 | io[0],io[1],il,ir,t0,t1); | |
1643 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1644 | CAMELLIA_SUBKEY_L(5),CAMELLIA_SUBKEY_R(5), | |
1645 | io[2],io[3],il,ir,t0,t1); | |
1646 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1647 | CAMELLIA_SUBKEY_L(4),CAMELLIA_SUBKEY_R(4), | |
1648 | io[0],io[1],il,ir,t0,t1); | |
1649 | CAMELLIA_ROUNDSM(io[0],io[1], | |
1650 | CAMELLIA_SUBKEY_L(3),CAMELLIA_SUBKEY_R(3), | |
1651 | io[2],io[3],il,ir,t0,t1); | |
1652 | CAMELLIA_ROUNDSM(io[2],io[3], | |
1653 | CAMELLIA_SUBKEY_L(2),CAMELLIA_SUBKEY_R(2), | |
1654 | io[0],io[1],il,ir,t0,t1); | |
1655 | ||
1656 | /* post whitening but kw4 */ | |
1657 | io[2] ^= CAMELLIA_SUBKEY_L(0); | |
1658 | io[3] ^= CAMELLIA_SUBKEY_R(0); | |
1659 | ||
1660 | t0 = io[0]; | |
1661 | t1 = io[1]; | |
1662 | io[0] = io[2]; | |
1663 | io[1] = io[3]; | |
1664 | io[2] = t0; | |
1665 | io[3] = t1; | |
1666 | ||
1667 | io_text[0] = cpu_to_be32(io[0]); | |
1668 | io_text[1] = cpu_to_be32(io[1]); | |
1669 | io_text[2] = cpu_to_be32(io[2]); | |
1670 | io_text[3] = cpu_to_be32(io[3]); | |
1671 | ||
1672 | return; | |
1673 | } | |
1674 | ||
1675 | ||
1676 | static int | |
1677 | camellia_set_key(struct crypto_tfm *tfm, const u8 *in_key, | |
1678 | unsigned int key_len) | |
1679 | { | |
1680 | struct camellia_ctx *cctx = crypto_tfm_ctx(tfm); | |
1681 | const unsigned char *key = (const unsigned char *)in_key; | |
1682 | u32 *flags = &tfm->crt_flags; | |
1683 | ||
1684 | if (key_len != 16 && key_len != 24 && key_len != 32) { | |
1685 | *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; | |
1686 | return -EINVAL; | |
1687 | } | |
1688 | ||
1689 | cctx->key_length = key_len; | |
1690 | ||
1691 | switch(key_len) { | |
1692 | case 16: | |
1693 | camellia_setup128(key, cctx->key_table); | |
1694 | break; | |
1695 | case 24: | |
1696 | camellia_setup192(key, cctx->key_table); | |
1697 | break; | |
1698 | case 32: | |
1699 | camellia_setup256(key, cctx->key_table); | |
1700 | break; | |
1701 | default: | |
1702 | break; | |
1703 | } | |
1704 | ||
1705 | return 0; | |
1706 | } | |
1707 | ||
1708 | ||
1709 | static void camellia_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) | |
1710 | { | |
1711 | const struct camellia_ctx *cctx = crypto_tfm_ctx(tfm); | |
1712 | const __be32 *src = (const __be32 *)in; | |
1713 | __be32 *dst = (__be32 *)out; | |
1714 | ||
1715 | __be32 tmp[4]; | |
1716 | ||
1717 | memcpy(tmp, src, CAMELLIA_BLOCK_SIZE); | |
1718 | ||
1719 | switch (cctx->key_length) { | |
1720 | case 16: | |
1721 | camellia_encrypt128(cctx->key_table, tmp); | |
1722 | break; | |
1723 | case 24: | |
1724 | /* fall through */ | |
1725 | case 32: | |
1726 | camellia_encrypt256(cctx->key_table, tmp); | |
1727 | break; | |
1728 | default: | |
1729 | break; | |
1730 | } | |
1731 | ||
1732 | memcpy(dst, tmp, CAMELLIA_BLOCK_SIZE); | |
1733 | } | |
1734 | ||
1735 | ||
1736 | static void camellia_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) | |
1737 | { | |
1738 | const struct camellia_ctx *cctx = crypto_tfm_ctx(tfm); | |
1739 | const __be32 *src = (const __be32 *)in; | |
1740 | __be32 *dst = (__be32 *)out; | |
1741 | ||
1742 | __be32 tmp[4]; | |
1743 | ||
1744 | memcpy(tmp, src, CAMELLIA_BLOCK_SIZE); | |
1745 | ||
1746 | switch (cctx->key_length) { | |
1747 | case 16: | |
1748 | camellia_decrypt128(cctx->key_table, tmp); | |
1749 | break; | |
1750 | case 24: | |
1751 | /* fall through */ | |
1752 | case 32: | |
1753 | camellia_decrypt256(cctx->key_table, tmp); | |
1754 | break; | |
1755 | default: | |
1756 | break; | |
1757 | } | |
1758 | ||
1759 | memcpy(dst, tmp, CAMELLIA_BLOCK_SIZE); | |
1760 | } | |
1761 | ||
1762 | ||
1763 | static struct crypto_alg camellia_alg = { | |
1764 | .cra_name = "camellia", | |
1765 | .cra_driver_name = "camellia-generic", | |
1766 | .cra_priority = 100, | |
1767 | .cra_flags = CRYPTO_ALG_TYPE_CIPHER, | |
1768 | .cra_blocksize = CAMELLIA_BLOCK_SIZE, | |
1769 | .cra_ctxsize = sizeof(struct camellia_ctx), | |
1770 | .cra_alignmask = 3, | |
1771 | .cra_module = THIS_MODULE, | |
1772 | .cra_list = LIST_HEAD_INIT(camellia_alg.cra_list), | |
1773 | .cra_u = { | |
1774 | .cipher = { | |
1775 | .cia_min_keysize = CAMELLIA_MIN_KEY_SIZE, | |
1776 | .cia_max_keysize = CAMELLIA_MAX_KEY_SIZE, | |
1777 | .cia_setkey = camellia_set_key, | |
1778 | .cia_encrypt = camellia_encrypt, | |
1779 | .cia_decrypt = camellia_decrypt | |
1780 | } | |
1781 | } | |
1782 | }; | |
1783 | ||
1784 | static int __init camellia_init(void) | |
1785 | { | |
1786 | return crypto_register_alg(&camellia_alg); | |
1787 | } | |
1788 | ||
1789 | ||
1790 | static void __exit camellia_fini(void) | |
1791 | { | |
1792 | crypto_unregister_alg(&camellia_alg); | |
1793 | } | |
1794 | ||
1795 | ||
1796 | module_init(camellia_init); | |
1797 | module_exit(camellia_fini); | |
1798 | ||
1799 | ||
1800 | MODULE_DESCRIPTION("Camellia Cipher Algorithm"); | |
1801 | MODULE_LICENSE("GPL"); |