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Source at commit fbf123cd4cc0c097fe9a99c90109ebb2a5e94a50 created 10 years 3 months ago. By Lars-Peter Clausen, dma: jz4740: Dequeue descriptor from active list before completing it | |
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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 | #include <linux/bitops.h> |
39 | #include <asm/unaligned.h> |
40 | |
41 | static const u32 camellia_sp1110[256] = { |
42 | 0x70707000, 0x82828200, 0x2c2c2c00, 0xececec00, |
43 | 0xb3b3b300, 0x27272700, 0xc0c0c000, 0xe5e5e500, |
44 | 0xe4e4e400, 0x85858500, 0x57575700, 0x35353500, |
45 | 0xeaeaea00, 0x0c0c0c00, 0xaeaeae00, 0x41414100, |
46 | 0x23232300, 0xefefef00, 0x6b6b6b00, 0x93939300, |
47 | 0x45454500, 0x19191900, 0xa5a5a500, 0x21212100, |
48 | 0xededed00, 0x0e0e0e00, 0x4f4f4f00, 0x4e4e4e00, |
49 | 0x1d1d1d00, 0x65656500, 0x92929200, 0xbdbdbd00, |
50 | 0x86868600, 0xb8b8b800, 0xafafaf00, 0x8f8f8f00, |
51 | 0x7c7c7c00, 0xebebeb00, 0x1f1f1f00, 0xcecece00, |
52 | 0x3e3e3e00, 0x30303000, 0xdcdcdc00, 0x5f5f5f00, |
53 | 0x5e5e5e00, 0xc5c5c500, 0x0b0b0b00, 0x1a1a1a00, |
54 | 0xa6a6a600, 0xe1e1e100, 0x39393900, 0xcacaca00, |
55 | 0xd5d5d500, 0x47474700, 0x5d5d5d00, 0x3d3d3d00, |
56 | 0xd9d9d900, 0x01010100, 0x5a5a5a00, 0xd6d6d600, |
57 | 0x51515100, 0x56565600, 0x6c6c6c00, 0x4d4d4d00, |
58 | 0x8b8b8b00, 0x0d0d0d00, 0x9a9a9a00, 0x66666600, |
59 | 0xfbfbfb00, 0xcccccc00, 0xb0b0b000, 0x2d2d2d00, |
60 | 0x74747400, 0x12121200, 0x2b2b2b00, 0x20202000, |
61 | 0xf0f0f000, 0xb1b1b100, 0x84848400, 0x99999900, |
62 | 0xdfdfdf00, 0x4c4c4c00, 0xcbcbcb00, 0xc2c2c200, |
63 | 0x34343400, 0x7e7e7e00, 0x76767600, 0x05050500, |
64 | 0x6d6d6d00, 0xb7b7b700, 0xa9a9a900, 0x31313100, |
65 | 0xd1d1d100, 0x17171700, 0x04040400, 0xd7d7d700, |
66 | 0x14141400, 0x58585800, 0x3a3a3a00, 0x61616100, |
67 | 0xdedede00, 0x1b1b1b00, 0x11111100, 0x1c1c1c00, |
68 | 0x32323200, 0x0f0f0f00, 0x9c9c9c00, 0x16161600, |
69 | 0x53535300, 0x18181800, 0xf2f2f200, 0x22222200, |
70 | 0xfefefe00, 0x44444400, 0xcfcfcf00, 0xb2b2b200, |
71 | 0xc3c3c300, 0xb5b5b500, 0x7a7a7a00, 0x91919100, |
72 | 0x24242400, 0x08080800, 0xe8e8e800, 0xa8a8a800, |
73 | 0x60606000, 0xfcfcfc00, 0x69696900, 0x50505000, |
74 | 0xaaaaaa00, 0xd0d0d000, 0xa0a0a000, 0x7d7d7d00, |
75 | 0xa1a1a100, 0x89898900, 0x62626200, 0x97979700, |
76 | 0x54545400, 0x5b5b5b00, 0x1e1e1e00, 0x95959500, |
77 | 0xe0e0e000, 0xffffff00, 0x64646400, 0xd2d2d200, |
78 | 0x10101000, 0xc4c4c400, 0x00000000, 0x48484800, |
79 | 0xa3a3a300, 0xf7f7f700, 0x75757500, 0xdbdbdb00, |
80 | 0x8a8a8a00, 0x03030300, 0xe6e6e600, 0xdadada00, |
81 | 0x09090900, 0x3f3f3f00, 0xdddddd00, 0x94949400, |
82 | 0x87878700, 0x5c5c5c00, 0x83838300, 0x02020200, |
83 | 0xcdcdcd00, 0x4a4a4a00, 0x90909000, 0x33333300, |
84 | 0x73737300, 0x67676700, 0xf6f6f600, 0xf3f3f300, |
85 | 0x9d9d9d00, 0x7f7f7f00, 0xbfbfbf00, 0xe2e2e200, |
86 | 0x52525200, 0x9b9b9b00, 0xd8d8d800, 0x26262600, |
87 | 0xc8c8c800, 0x37373700, 0xc6c6c600, 0x3b3b3b00, |
88 | 0x81818100, 0x96969600, 0x6f6f6f00, 0x4b4b4b00, |
89 | 0x13131300, 0xbebebe00, 0x63636300, 0x2e2e2e00, |
90 | 0xe9e9e900, 0x79797900, 0xa7a7a700, 0x8c8c8c00, |
91 | 0x9f9f9f00, 0x6e6e6e00, 0xbcbcbc00, 0x8e8e8e00, |
92 | 0x29292900, 0xf5f5f500, 0xf9f9f900, 0xb6b6b600, |
93 | 0x2f2f2f00, 0xfdfdfd00, 0xb4b4b400, 0x59595900, |
94 | 0x78787800, 0x98989800, 0x06060600, 0x6a6a6a00, |
95 | 0xe7e7e700, 0x46464600, 0x71717100, 0xbababa00, |
96 | 0xd4d4d400, 0x25252500, 0xababab00, 0x42424200, |
97 | 0x88888800, 0xa2a2a200, 0x8d8d8d00, 0xfafafa00, |
98 | 0x72727200, 0x07070700, 0xb9b9b900, 0x55555500, |
99 | 0xf8f8f800, 0xeeeeee00, 0xacacac00, 0x0a0a0a00, |
100 | 0x36363600, 0x49494900, 0x2a2a2a00, 0x68686800, |
101 | 0x3c3c3c00, 0x38383800, 0xf1f1f100, 0xa4a4a400, |
102 | 0x40404000, 0x28282800, 0xd3d3d300, 0x7b7b7b00, |
103 | 0xbbbbbb00, 0xc9c9c900, 0x43434300, 0xc1c1c100, |
104 | 0x15151500, 0xe3e3e300, 0xadadad00, 0xf4f4f400, |
105 | 0x77777700, 0xc7c7c700, 0x80808000, 0x9e9e9e00, |
106 | }; |
107 | |
108 | static const u32 camellia_sp0222[256] = { |
109 | 0x00e0e0e0, 0x00050505, 0x00585858, 0x00d9d9d9, |
110 | 0x00676767, 0x004e4e4e, 0x00818181, 0x00cbcbcb, |
111 | 0x00c9c9c9, 0x000b0b0b, 0x00aeaeae, 0x006a6a6a, |
112 | 0x00d5d5d5, 0x00181818, 0x005d5d5d, 0x00828282, |
113 | 0x00464646, 0x00dfdfdf, 0x00d6d6d6, 0x00272727, |
114 | 0x008a8a8a, 0x00323232, 0x004b4b4b, 0x00424242, |
115 | 0x00dbdbdb, 0x001c1c1c, 0x009e9e9e, 0x009c9c9c, |
116 | 0x003a3a3a, 0x00cacaca, 0x00252525, 0x007b7b7b, |
117 | 0x000d0d0d, 0x00717171, 0x005f5f5f, 0x001f1f1f, |
118 | 0x00f8f8f8, 0x00d7d7d7, 0x003e3e3e, 0x009d9d9d, |
119 | 0x007c7c7c, 0x00606060, 0x00b9b9b9, 0x00bebebe, |
120 | 0x00bcbcbc, 0x008b8b8b, 0x00161616, 0x00343434, |
121 | 0x004d4d4d, 0x00c3c3c3, 0x00727272, 0x00959595, |
122 | 0x00ababab, 0x008e8e8e, 0x00bababa, 0x007a7a7a, |
123 | 0x00b3b3b3, 0x00020202, 0x00b4b4b4, 0x00adadad, |
124 | 0x00a2a2a2, 0x00acacac, 0x00d8d8d8, 0x009a9a9a, |
125 | 0x00171717, 0x001a1a1a, 0x00353535, 0x00cccccc, |
126 | 0x00f7f7f7, 0x00999999, 0x00616161, 0x005a5a5a, |
127 | 0x00e8e8e8, 0x00242424, 0x00565656, 0x00404040, |
128 | 0x00e1e1e1, 0x00636363, 0x00090909, 0x00333333, |
129 | 0x00bfbfbf, 0x00989898, 0x00979797, 0x00858585, |
130 | 0x00686868, 0x00fcfcfc, 0x00ececec, 0x000a0a0a, |
131 | 0x00dadada, 0x006f6f6f, 0x00535353, 0x00626262, |
132 | 0x00a3a3a3, 0x002e2e2e, 0x00080808, 0x00afafaf, |
133 | 0x00282828, 0x00b0b0b0, 0x00747474, 0x00c2c2c2, |
134 | 0x00bdbdbd, 0x00363636, 0x00222222, 0x00383838, |
135 | 0x00646464, 0x001e1e1e, 0x00393939, 0x002c2c2c, |
136 | 0x00a6a6a6, 0x00303030, 0x00e5e5e5, 0x00444444, |
137 | 0x00fdfdfd, 0x00888888, 0x009f9f9f, 0x00656565, |
138 | 0x00878787, 0x006b6b6b, 0x00f4f4f4, 0x00232323, |
139 | 0x00484848, 0x00101010, 0x00d1d1d1, 0x00515151, |
140 | 0x00c0c0c0, 0x00f9f9f9, 0x00d2d2d2, 0x00a0a0a0, |
141 | 0x00555555, 0x00a1a1a1, 0x00414141, 0x00fafafa, |
142 | 0x00434343, 0x00131313, 0x00c4c4c4, 0x002f2f2f, |
143 | 0x00a8a8a8, 0x00b6b6b6, 0x003c3c3c, 0x002b2b2b, |
144 | 0x00c1c1c1, 0x00ffffff, 0x00c8c8c8, 0x00a5a5a5, |
145 | 0x00202020, 0x00898989, 0x00000000, 0x00909090, |
146 | 0x00474747, 0x00efefef, 0x00eaeaea, 0x00b7b7b7, |
147 | 0x00151515, 0x00060606, 0x00cdcdcd, 0x00b5b5b5, |
148 | 0x00121212, 0x007e7e7e, 0x00bbbbbb, 0x00292929, |
149 | 0x000f0f0f, 0x00b8b8b8, 0x00070707, 0x00040404, |
150 | 0x009b9b9b, 0x00949494, 0x00212121, 0x00666666, |
151 | 0x00e6e6e6, 0x00cecece, 0x00ededed, 0x00e7e7e7, |
152 | 0x003b3b3b, 0x00fefefe, 0x007f7f7f, 0x00c5c5c5, |
153 | 0x00a4a4a4, 0x00373737, 0x00b1b1b1, 0x004c4c4c, |
154 | 0x00919191, 0x006e6e6e, 0x008d8d8d, 0x00767676, |
155 | 0x00030303, 0x002d2d2d, 0x00dedede, 0x00969696, |
156 | 0x00262626, 0x007d7d7d, 0x00c6c6c6, 0x005c5c5c, |
157 | 0x00d3d3d3, 0x00f2f2f2, 0x004f4f4f, 0x00191919, |
158 | 0x003f3f3f, 0x00dcdcdc, 0x00797979, 0x001d1d1d, |
159 | 0x00525252, 0x00ebebeb, 0x00f3f3f3, 0x006d6d6d, |
160 | 0x005e5e5e, 0x00fbfbfb, 0x00696969, 0x00b2b2b2, |
161 | 0x00f0f0f0, 0x00313131, 0x000c0c0c, 0x00d4d4d4, |
162 | 0x00cfcfcf, 0x008c8c8c, 0x00e2e2e2, 0x00757575, |
163 | 0x00a9a9a9, 0x004a4a4a, 0x00575757, 0x00848484, |
164 | 0x00111111, 0x00454545, 0x001b1b1b, 0x00f5f5f5, |
165 | 0x00e4e4e4, 0x000e0e0e, 0x00737373, 0x00aaaaaa, |
166 | 0x00f1f1f1, 0x00dddddd, 0x00595959, 0x00141414, |
167 | 0x006c6c6c, 0x00929292, 0x00545454, 0x00d0d0d0, |
168 | 0x00787878, 0x00707070, 0x00e3e3e3, 0x00494949, |
169 | 0x00808080, 0x00505050, 0x00a7a7a7, 0x00f6f6f6, |
170 | 0x00777777, 0x00939393, 0x00868686, 0x00838383, |
171 | 0x002a2a2a, 0x00c7c7c7, 0x005b5b5b, 0x00e9e9e9, |
172 | 0x00eeeeee, 0x008f8f8f, 0x00010101, 0x003d3d3d, |
173 | }; |
174 | |
175 | static const u32 camellia_sp3033[256] = { |
176 | 0x38003838, 0x41004141, 0x16001616, 0x76007676, |
177 | 0xd900d9d9, 0x93009393, 0x60006060, 0xf200f2f2, |
178 | 0x72007272, 0xc200c2c2, 0xab00abab, 0x9a009a9a, |
179 | 0x75007575, 0x06000606, 0x57005757, 0xa000a0a0, |
180 | 0x91009191, 0xf700f7f7, 0xb500b5b5, 0xc900c9c9, |
181 | 0xa200a2a2, 0x8c008c8c, 0xd200d2d2, 0x90009090, |
182 | 0xf600f6f6, 0x07000707, 0xa700a7a7, 0x27002727, |
183 | 0x8e008e8e, 0xb200b2b2, 0x49004949, 0xde00dede, |
184 | 0x43004343, 0x5c005c5c, 0xd700d7d7, 0xc700c7c7, |
185 | 0x3e003e3e, 0xf500f5f5, 0x8f008f8f, 0x67006767, |
186 | 0x1f001f1f, 0x18001818, 0x6e006e6e, 0xaf00afaf, |
187 | 0x2f002f2f, 0xe200e2e2, 0x85008585, 0x0d000d0d, |
188 | 0x53005353, 0xf000f0f0, 0x9c009c9c, 0x65006565, |
189 | 0xea00eaea, 0xa300a3a3, 0xae00aeae, 0x9e009e9e, |
190 | 0xec00ecec, 0x80008080, 0x2d002d2d, 0x6b006b6b, |
191 | 0xa800a8a8, 0x2b002b2b, 0x36003636, 0xa600a6a6, |
192 | 0xc500c5c5, 0x86008686, 0x4d004d4d, 0x33003333, |
193 | 0xfd00fdfd, 0x66006666, 0x58005858, 0x96009696, |
194 | 0x3a003a3a, 0x09000909, 0x95009595, 0x10001010, |
195 | 0x78007878, 0xd800d8d8, 0x42004242, 0xcc00cccc, |
196 | 0xef00efef, 0x26002626, 0xe500e5e5, 0x61006161, |
197 | 0x1a001a1a, 0x3f003f3f, 0x3b003b3b, 0x82008282, |
198 | 0xb600b6b6, 0xdb00dbdb, 0xd400d4d4, 0x98009898, |
199 | 0xe800e8e8, 0x8b008b8b, 0x02000202, 0xeb00ebeb, |
200 | 0x0a000a0a, 0x2c002c2c, 0x1d001d1d, 0xb000b0b0, |
201 | 0x6f006f6f, 0x8d008d8d, 0x88008888, 0x0e000e0e, |
202 | 0x19001919, 0x87008787, 0x4e004e4e, 0x0b000b0b, |
203 | 0xa900a9a9, 0x0c000c0c, 0x79007979, 0x11001111, |
204 | 0x7f007f7f, 0x22002222, 0xe700e7e7, 0x59005959, |
205 | 0xe100e1e1, 0xda00dada, 0x3d003d3d, 0xc800c8c8, |
206 | 0x12001212, 0x04000404, 0x74007474, 0x54005454, |
207 | 0x30003030, 0x7e007e7e, 0xb400b4b4, 0x28002828, |
208 | 0x55005555, 0x68006868, 0x50005050, 0xbe00bebe, |
209 | 0xd000d0d0, 0xc400c4c4, 0x31003131, 0xcb00cbcb, |
210 | 0x2a002a2a, 0xad00adad, 0x0f000f0f, 0xca00caca, |
211 | 0x70007070, 0xff00ffff, 0x32003232, 0x69006969, |
212 | 0x08000808, 0x62006262, 0x00000000, 0x24002424, |
213 | 0xd100d1d1, 0xfb00fbfb, 0xba00baba, 0xed00eded, |
214 | 0x45004545, 0x81008181, 0x73007373, 0x6d006d6d, |
215 | 0x84008484, 0x9f009f9f, 0xee00eeee, 0x4a004a4a, |
216 | 0xc300c3c3, 0x2e002e2e, 0xc100c1c1, 0x01000101, |
217 | 0xe600e6e6, 0x25002525, 0x48004848, 0x99009999, |
218 | 0xb900b9b9, 0xb300b3b3, 0x7b007b7b, 0xf900f9f9, |
219 | 0xce00cece, 0xbf00bfbf, 0xdf00dfdf, 0x71007171, |
220 | 0x29002929, 0xcd00cdcd, 0x6c006c6c, 0x13001313, |
221 | 0x64006464, 0x9b009b9b, 0x63006363, 0x9d009d9d, |
222 | 0xc000c0c0, 0x4b004b4b, 0xb700b7b7, 0xa500a5a5, |
223 | 0x89008989, 0x5f005f5f, 0xb100b1b1, 0x17001717, |
224 | 0xf400f4f4, 0xbc00bcbc, 0xd300d3d3, 0x46004646, |
225 | 0xcf00cfcf, 0x37003737, 0x5e005e5e, 0x47004747, |
226 | 0x94009494, 0xfa00fafa, 0xfc00fcfc, 0x5b005b5b, |
227 | 0x97009797, 0xfe00fefe, 0x5a005a5a, 0xac00acac, |
228 | 0x3c003c3c, 0x4c004c4c, 0x03000303, 0x35003535, |
229 | 0xf300f3f3, 0x23002323, 0xb800b8b8, 0x5d005d5d, |
230 | 0x6a006a6a, 0x92009292, 0xd500d5d5, 0x21002121, |
231 | 0x44004444, 0x51005151, 0xc600c6c6, 0x7d007d7d, |
232 | 0x39003939, 0x83008383, 0xdc00dcdc, 0xaa00aaaa, |
233 | 0x7c007c7c, 0x77007777, 0x56005656, 0x05000505, |
234 | 0x1b001b1b, 0xa400a4a4, 0x15001515, 0x34003434, |
235 | 0x1e001e1e, 0x1c001c1c, 0xf800f8f8, 0x52005252, |
236 | 0x20002020, 0x14001414, 0xe900e9e9, 0xbd00bdbd, |
237 | 0xdd00dddd, 0xe400e4e4, 0xa100a1a1, 0xe000e0e0, |
238 | 0x8a008a8a, 0xf100f1f1, 0xd600d6d6, 0x7a007a7a, |
239 | 0xbb00bbbb, 0xe300e3e3, 0x40004040, 0x4f004f4f, |
240 | }; |
241 | |
242 | static const u32 camellia_sp4404[256] = { |
243 | 0x70700070, 0x2c2c002c, 0xb3b300b3, 0xc0c000c0, |
244 | 0xe4e400e4, 0x57570057, 0xeaea00ea, 0xaeae00ae, |
245 | 0x23230023, 0x6b6b006b, 0x45450045, 0xa5a500a5, |
246 | 0xeded00ed, 0x4f4f004f, 0x1d1d001d, 0x92920092, |
247 | 0x86860086, 0xafaf00af, 0x7c7c007c, 0x1f1f001f, |
248 | 0x3e3e003e, 0xdcdc00dc, 0x5e5e005e, 0x0b0b000b, |
249 | 0xa6a600a6, 0x39390039, 0xd5d500d5, 0x5d5d005d, |
250 | 0xd9d900d9, 0x5a5a005a, 0x51510051, 0x6c6c006c, |
251 | 0x8b8b008b, 0x9a9a009a, 0xfbfb00fb, 0xb0b000b0, |
252 | 0x74740074, 0x2b2b002b, 0xf0f000f0, 0x84840084, |
253 | 0xdfdf00df, 0xcbcb00cb, 0x34340034, 0x76760076, |
254 | 0x6d6d006d, 0xa9a900a9, 0xd1d100d1, 0x04040004, |
255 | 0x14140014, 0x3a3a003a, 0xdede00de, 0x11110011, |
256 | 0x32320032, 0x9c9c009c, 0x53530053, 0xf2f200f2, |
257 | 0xfefe00fe, 0xcfcf00cf, 0xc3c300c3, 0x7a7a007a, |
258 | 0x24240024, 0xe8e800e8, 0x60600060, 0x69690069, |
259 | 0xaaaa00aa, 0xa0a000a0, 0xa1a100a1, 0x62620062, |
260 | 0x54540054, 0x1e1e001e, 0xe0e000e0, 0x64640064, |
261 | 0x10100010, 0x00000000, 0xa3a300a3, 0x75750075, |
262 | 0x8a8a008a, 0xe6e600e6, 0x09090009, 0xdddd00dd, |
263 | 0x87870087, 0x83830083, 0xcdcd00cd, 0x90900090, |
264 | 0x73730073, 0xf6f600f6, 0x9d9d009d, 0xbfbf00bf, |
265 | 0x52520052, 0xd8d800d8, 0xc8c800c8, 0xc6c600c6, |
266 | 0x81810081, 0x6f6f006f, 0x13130013, 0x63630063, |
267 | 0xe9e900e9, 0xa7a700a7, 0x9f9f009f, 0xbcbc00bc, |
268 | 0x29290029, 0xf9f900f9, 0x2f2f002f, 0xb4b400b4, |
269 | 0x78780078, 0x06060006, 0xe7e700e7, 0x71710071, |
270 | 0xd4d400d4, 0xabab00ab, 0x88880088, 0x8d8d008d, |
271 | 0x72720072, 0xb9b900b9, 0xf8f800f8, 0xacac00ac, |
272 | 0x36360036, 0x2a2a002a, 0x3c3c003c, 0xf1f100f1, |
273 | 0x40400040, 0xd3d300d3, 0xbbbb00bb, 0x43430043, |
274 | 0x15150015, 0xadad00ad, 0x77770077, 0x80800080, |
275 | 0x82820082, 0xecec00ec, 0x27270027, 0xe5e500e5, |
276 | 0x85850085, 0x35350035, 0x0c0c000c, 0x41410041, |
277 | 0xefef00ef, 0x93930093, 0x19190019, 0x21210021, |
278 | 0x0e0e000e, 0x4e4e004e, 0x65650065, 0xbdbd00bd, |
279 | 0xb8b800b8, 0x8f8f008f, 0xebeb00eb, 0xcece00ce, |
280 | 0x30300030, 0x5f5f005f, 0xc5c500c5, 0x1a1a001a, |
281 | 0xe1e100e1, 0xcaca00ca, 0x47470047, 0x3d3d003d, |
282 | 0x01010001, 0xd6d600d6, 0x56560056, 0x4d4d004d, |
283 | 0x0d0d000d, 0x66660066, 0xcccc00cc, 0x2d2d002d, |
284 | 0x12120012, 0x20200020, 0xb1b100b1, 0x99990099, |
285 | 0x4c4c004c, 0xc2c200c2, 0x7e7e007e, 0x05050005, |
286 | 0xb7b700b7, 0x31310031, 0x17170017, 0xd7d700d7, |
287 | 0x58580058, 0x61610061, 0x1b1b001b, 0x1c1c001c, |
288 | 0x0f0f000f, 0x16160016, 0x18180018, 0x22220022, |
289 | 0x44440044, 0xb2b200b2, 0xb5b500b5, 0x91910091, |
290 | 0x08080008, 0xa8a800a8, 0xfcfc00fc, 0x50500050, |
291 | 0xd0d000d0, 0x7d7d007d, 0x89890089, 0x97970097, |
292 | 0x5b5b005b, 0x95950095, 0xffff00ff, 0xd2d200d2, |
293 | 0xc4c400c4, 0x48480048, 0xf7f700f7, 0xdbdb00db, |
294 | 0x03030003, 0xdada00da, 0x3f3f003f, 0x94940094, |
295 | 0x5c5c005c, 0x02020002, 0x4a4a004a, 0x33330033, |
296 | 0x67670067, 0xf3f300f3, 0x7f7f007f, 0xe2e200e2, |
297 | 0x9b9b009b, 0x26260026, 0x37370037, 0x3b3b003b, |
298 | 0x96960096, 0x4b4b004b, 0xbebe00be, 0x2e2e002e, |
299 | 0x79790079, 0x8c8c008c, 0x6e6e006e, 0x8e8e008e, |
300 | 0xf5f500f5, 0xb6b600b6, 0xfdfd00fd, 0x59590059, |
301 | 0x98980098, 0x6a6a006a, 0x46460046, 0xbaba00ba, |
302 | 0x25250025, 0x42420042, 0xa2a200a2, 0xfafa00fa, |
303 | 0x07070007, 0x55550055, 0xeeee00ee, 0x0a0a000a, |
304 | 0x49490049, 0x68680068, 0x38380038, 0xa4a400a4, |
305 | 0x28280028, 0x7b7b007b, 0xc9c900c9, 0xc1c100c1, |
306 | 0xe3e300e3, 0xf4f400f4, 0xc7c700c7, 0x9e9e009e, |
307 | }; |
308 | |
309 | |
310 | #define CAMELLIA_MIN_KEY_SIZE 16 |
311 | #define CAMELLIA_MAX_KEY_SIZE 32 |
312 | #define CAMELLIA_BLOCK_SIZE 16 |
313 | #define CAMELLIA_TABLE_BYTE_LEN 272 |
314 | |
315 | /* |
316 | * NB: L and R below stand for 'left' and 'right' as in written numbers. |
317 | * That is, in (xxxL,xxxR) pair xxxL holds most significant digits, |
318 | * _not_ least significant ones! |
319 | */ |
320 | |
321 | |
322 | /* key constants */ |
323 | |
324 | #define CAMELLIA_SIGMA1L (0xA09E667FL) |
325 | #define CAMELLIA_SIGMA1R (0x3BCC908BL) |
326 | #define CAMELLIA_SIGMA2L (0xB67AE858L) |
327 | #define CAMELLIA_SIGMA2R (0x4CAA73B2L) |
328 | #define CAMELLIA_SIGMA3L (0xC6EF372FL) |
329 | #define CAMELLIA_SIGMA3R (0xE94F82BEL) |
330 | #define CAMELLIA_SIGMA4L (0x54FF53A5L) |
331 | #define CAMELLIA_SIGMA4R (0xF1D36F1CL) |
332 | #define CAMELLIA_SIGMA5L (0x10E527FAL) |
333 | #define CAMELLIA_SIGMA5R (0xDE682D1DL) |
334 | #define CAMELLIA_SIGMA6L (0xB05688C2L) |
335 | #define CAMELLIA_SIGMA6R (0xB3E6C1FDL) |
336 | |
337 | /* |
338 | * macros |
339 | */ |
340 | #define ROLDQ(ll, lr, rl, rr, w0, w1, bits) ({ \ |
341 | w0 = ll; \ |
342 | ll = (ll << bits) + (lr >> (32 - bits)); \ |
343 | lr = (lr << bits) + (rl >> (32 - bits)); \ |
344 | rl = (rl << bits) + (rr >> (32 - bits)); \ |
345 | rr = (rr << bits) + (w0 >> (32 - bits)); \ |
346 | }) |
347 | |
348 | #define ROLDQo32(ll, lr, rl, rr, w0, w1, bits) ({ \ |
349 | w0 = ll; \ |
350 | w1 = lr; \ |
351 | ll = (lr << (bits - 32)) + (rl >> (64 - bits)); \ |
352 | lr = (rl << (bits - 32)) + (rr >> (64 - bits)); \ |
353 | rl = (rr << (bits - 32)) + (w0 >> (64 - bits)); \ |
354 | rr = (w0 << (bits - 32)) + (w1 >> (64 - bits)); \ |
355 | }) |
356 | |
357 | #define CAMELLIA_F(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) ({ \ |
358 | il = xl ^ kl; \ |
359 | ir = xr ^ kr; \ |
360 | t0 = il >> 16; \ |
361 | t1 = ir >> 16; \ |
362 | yl = camellia_sp1110[(u8)(ir)] \ |
363 | ^ camellia_sp0222[(u8)(t1 >> 8)] \ |
364 | ^ camellia_sp3033[(u8)(t1)] \ |
365 | ^ camellia_sp4404[(u8)(ir >> 8)]; \ |
366 | yr = camellia_sp1110[(u8)(t0 >> 8)] \ |
367 | ^ camellia_sp0222[(u8)(t0)] \ |
368 | ^ camellia_sp3033[(u8)(il >> 8)] \ |
369 | ^ camellia_sp4404[(u8)(il)]; \ |
370 | yl ^= yr; \ |
371 | yr = ror32(yr, 8); \ |
372 | yr ^= yl; \ |
373 | }) |
374 | |
375 | #define SUBKEY_L(INDEX) (subkey[(INDEX)*2]) |
376 | #define SUBKEY_R(INDEX) (subkey[(INDEX)*2 + 1]) |
377 | |
378 | static void camellia_setup_tail(u32 *subkey, u32 *subL, u32 *subR, int max) |
379 | { |
380 | u32 dw, tl, tr; |
381 | u32 kw4l, kw4r; |
382 | |
383 | /* absorb kw2 to other subkeys */ |
384 | /* round 2 */ |
385 | subL[3] ^= subL[1]; subR[3] ^= subR[1]; |
386 | /* round 4 */ |
387 | subL[5] ^= subL[1]; subR[5] ^= subR[1]; |
388 | /* round 6 */ |
389 | subL[7] ^= subL[1]; subR[7] ^= subR[1]; |
390 | subL[1] ^= subR[1] & ~subR[9]; |
391 | dw = subL[1] & subL[9]; |
392 | subR[1] ^= rol32(dw, 1); /* modified for FLinv(kl2) */ |
393 | /* round 8 */ |
394 | subL[11] ^= subL[1]; subR[11] ^= subR[1]; |
395 | /* round 10 */ |
396 | subL[13] ^= subL[1]; subR[13] ^= subR[1]; |
397 | /* round 12 */ |
398 | subL[15] ^= subL[1]; subR[15] ^= subR[1]; |
399 | subL[1] ^= subR[1] & ~subR[17]; |
400 | dw = subL[1] & subL[17]; |
401 | subR[1] ^= rol32(dw, 1); /* modified for FLinv(kl4) */ |
402 | /* round 14 */ |
403 | subL[19] ^= subL[1]; subR[19] ^= subR[1]; |
404 | /* round 16 */ |
405 | subL[21] ^= subL[1]; subR[21] ^= subR[1]; |
406 | /* round 18 */ |
407 | subL[23] ^= subL[1]; subR[23] ^= subR[1]; |
408 | if (max == 24) { |
409 | /* kw3 */ |
410 | subL[24] ^= subL[1]; subR[24] ^= subR[1]; |
411 | |
412 | /* absorb kw4 to other subkeys */ |
413 | kw4l = subL[25]; kw4r = subR[25]; |
414 | } else { |
415 | subL[1] ^= subR[1] & ~subR[25]; |
416 | dw = subL[1] & subL[25]; |
417 | subR[1] ^= rol32(dw, 1); /* modified for FLinv(kl6) */ |
418 | /* round 20 */ |
419 | subL[27] ^= subL[1]; subR[27] ^= subR[1]; |
420 | /* round 22 */ |
421 | subL[29] ^= subL[1]; subR[29] ^= subR[1]; |
422 | /* round 24 */ |
423 | subL[31] ^= subL[1]; subR[31] ^= subR[1]; |
424 | /* kw3 */ |
425 | subL[32] ^= subL[1]; subR[32] ^= subR[1]; |
426 | |
427 | /* absorb kw4 to other subkeys */ |
428 | kw4l = subL[33]; kw4r = subR[33]; |
429 | /* round 23 */ |
430 | subL[30] ^= kw4l; subR[30] ^= kw4r; |
431 | /* round 21 */ |
432 | subL[28] ^= kw4l; subR[28] ^= kw4r; |
433 | /* round 19 */ |
434 | subL[26] ^= kw4l; subR[26] ^= kw4r; |
435 | kw4l ^= kw4r & ~subR[24]; |
436 | dw = kw4l & subL[24]; |
437 | kw4r ^= rol32(dw, 1); /* modified for FL(kl5) */ |
438 | } |
439 | /* round 17 */ |
440 | subL[22] ^= kw4l; subR[22] ^= kw4r; |
441 | /* round 15 */ |
442 | subL[20] ^= kw4l; subR[20] ^= kw4r; |
443 | /* round 13 */ |
444 | subL[18] ^= kw4l; subR[18] ^= kw4r; |
445 | kw4l ^= kw4r & ~subR[16]; |
446 | dw = kw4l & subL[16]; |
447 | kw4r ^= rol32(dw, 1); /* modified for FL(kl3) */ |
448 | /* round 11 */ |
449 | subL[14] ^= kw4l; subR[14] ^= kw4r; |
450 | /* round 9 */ |
451 | subL[12] ^= kw4l; subR[12] ^= kw4r; |
452 | /* round 7 */ |
453 | subL[10] ^= kw4l; subR[10] ^= kw4r; |
454 | kw4l ^= kw4r & ~subR[8]; |
455 | dw = kw4l & subL[8]; |
456 | kw4r ^= rol32(dw, 1); /* modified for FL(kl1) */ |
457 | /* round 5 */ |
458 | subL[6] ^= kw4l; subR[6] ^= kw4r; |
459 | /* round 3 */ |
460 | subL[4] ^= kw4l; subR[4] ^= kw4r; |
461 | /* round 1 */ |
462 | subL[2] ^= kw4l; subR[2] ^= kw4r; |
463 | /* kw1 */ |
464 | subL[0] ^= kw4l; subR[0] ^= kw4r; |
465 | |
466 | /* key XOR is end of F-function */ |
467 | SUBKEY_L(0) = subL[0] ^ subL[2];/* kw1 */ |
468 | SUBKEY_R(0) = subR[0] ^ subR[2]; |
469 | SUBKEY_L(2) = subL[3]; /* round 1 */ |
470 | SUBKEY_R(2) = subR[3]; |
471 | SUBKEY_L(3) = subL[2] ^ subL[4]; /* round 2 */ |
472 | SUBKEY_R(3) = subR[2] ^ subR[4]; |
473 | SUBKEY_L(4) = subL[3] ^ subL[5]; /* round 3 */ |
474 | SUBKEY_R(4) = subR[3] ^ subR[5]; |
475 | SUBKEY_L(5) = subL[4] ^ subL[6]; /* round 4 */ |
476 | SUBKEY_R(5) = subR[4] ^ subR[6]; |
477 | SUBKEY_L(6) = subL[5] ^ subL[7]; /* round 5 */ |
478 | SUBKEY_R(6) = subR[5] ^ subR[7]; |
479 | tl = subL[10] ^ (subR[10] & ~subR[8]); |
480 | dw = tl & subL[8]; /* FL(kl1) */ |
481 | tr = subR[10] ^ rol32(dw, 1); |
482 | SUBKEY_L(7) = subL[6] ^ tl; /* round 6 */ |
483 | SUBKEY_R(7) = subR[6] ^ tr; |
484 | SUBKEY_L(8) = subL[8]; /* FL(kl1) */ |
485 | SUBKEY_R(8) = subR[8]; |
486 | SUBKEY_L(9) = subL[9]; /* FLinv(kl2) */ |
487 | SUBKEY_R(9) = subR[9]; |
488 | tl = subL[7] ^ (subR[7] & ~subR[9]); |
489 | dw = tl & subL[9]; /* FLinv(kl2) */ |
490 | tr = subR[7] ^ rol32(dw, 1); |
491 | SUBKEY_L(10) = tl ^ subL[11]; /* round 7 */ |
492 | SUBKEY_R(10) = tr ^ subR[11]; |
493 | SUBKEY_L(11) = subL[10] ^ subL[12]; /* round 8 */ |
494 | SUBKEY_R(11) = subR[10] ^ subR[12]; |
495 | SUBKEY_L(12) = subL[11] ^ subL[13]; /* round 9 */ |
496 | SUBKEY_R(12) = subR[11] ^ subR[13]; |
497 | SUBKEY_L(13) = subL[12] ^ subL[14]; /* round 10 */ |
498 | SUBKEY_R(13) = subR[12] ^ subR[14]; |
499 | SUBKEY_L(14) = subL[13] ^ subL[15]; /* round 11 */ |
500 | SUBKEY_R(14) = subR[13] ^ subR[15]; |
501 | tl = subL[18] ^ (subR[18] & ~subR[16]); |
502 | dw = tl & subL[16]; /* FL(kl3) */ |
503 | tr = subR[18] ^ rol32(dw, 1); |
504 | SUBKEY_L(15) = subL[14] ^ tl; /* round 12 */ |
505 | SUBKEY_R(15) = subR[14] ^ tr; |
506 | SUBKEY_L(16) = subL[16]; /* FL(kl3) */ |
507 | SUBKEY_R(16) = subR[16]; |
508 | SUBKEY_L(17) = subL[17]; /* FLinv(kl4) */ |
509 | SUBKEY_R(17) = subR[17]; |
510 | tl = subL[15] ^ (subR[15] & ~subR[17]); |
511 | dw = tl & subL[17]; /* FLinv(kl4) */ |
512 | tr = subR[15] ^ rol32(dw, 1); |
513 | SUBKEY_L(18) = tl ^ subL[19]; /* round 13 */ |
514 | SUBKEY_R(18) = tr ^ subR[19]; |
515 | SUBKEY_L(19) = subL[18] ^ subL[20]; /* round 14 */ |
516 | SUBKEY_R(19) = subR[18] ^ subR[20]; |
517 | SUBKEY_L(20) = subL[19] ^ subL[21]; /* round 15 */ |
518 | SUBKEY_R(20) = subR[19] ^ subR[21]; |
519 | SUBKEY_L(21) = subL[20] ^ subL[22]; /* round 16 */ |
520 | SUBKEY_R(21) = subR[20] ^ subR[22]; |
521 | SUBKEY_L(22) = subL[21] ^ subL[23]; /* round 17 */ |
522 | SUBKEY_R(22) = subR[21] ^ subR[23]; |
523 | if (max == 24) { |
524 | SUBKEY_L(23) = subL[22]; /* round 18 */ |
525 | SUBKEY_R(23) = subR[22]; |
526 | SUBKEY_L(24) = subL[24] ^ subL[23]; /* kw3 */ |
527 | SUBKEY_R(24) = subR[24] ^ subR[23]; |
528 | } else { |
529 | tl = subL[26] ^ (subR[26] & ~subR[24]); |
530 | dw = tl & subL[24]; /* FL(kl5) */ |
531 | tr = subR[26] ^ rol32(dw, 1); |
532 | SUBKEY_L(23) = subL[22] ^ tl; /* round 18 */ |
533 | SUBKEY_R(23) = subR[22] ^ tr; |
534 | SUBKEY_L(24) = subL[24]; /* FL(kl5) */ |
535 | SUBKEY_R(24) = subR[24]; |
536 | SUBKEY_L(25) = subL[25]; /* FLinv(kl6) */ |
537 | SUBKEY_R(25) = subR[25]; |
538 | tl = subL[23] ^ (subR[23] & ~subR[25]); |
539 | dw = tl & subL[25]; /* FLinv(kl6) */ |
540 | tr = subR[23] ^ rol32(dw, 1); |
541 | SUBKEY_L(26) = tl ^ subL[27]; /* round 19 */ |
542 | SUBKEY_R(26) = tr ^ subR[27]; |
543 | SUBKEY_L(27) = subL[26] ^ subL[28]; /* round 20 */ |
544 | SUBKEY_R(27) = subR[26] ^ subR[28]; |
545 | SUBKEY_L(28) = subL[27] ^ subL[29]; /* round 21 */ |
546 | SUBKEY_R(28) = subR[27] ^ subR[29]; |
547 | SUBKEY_L(29) = subL[28] ^ subL[30]; /* round 22 */ |
548 | SUBKEY_R(29) = subR[28] ^ subR[30]; |
549 | SUBKEY_L(30) = subL[29] ^ subL[31]; /* round 23 */ |
550 | SUBKEY_R(30) = subR[29] ^ subR[31]; |
551 | SUBKEY_L(31) = subL[30]; /* round 24 */ |
552 | SUBKEY_R(31) = subR[30]; |
553 | SUBKEY_L(32) = subL[32] ^ subL[31]; /* kw3 */ |
554 | SUBKEY_R(32) = subR[32] ^ subR[31]; |
555 | } |
556 | } |
557 | |
558 | static void camellia_setup128(const unsigned char *key, u32 *subkey) |
559 | { |
560 | u32 kll, klr, krl, krr; |
561 | u32 il, ir, t0, t1, w0, w1; |
562 | u32 subL[26]; |
563 | u32 subR[26]; |
564 | |
565 | /** |
566 | * k == kll || klr || krl || krr (|| is concatenation) |
567 | */ |
568 | kll = get_unaligned_be32(key); |
569 | klr = get_unaligned_be32(key + 4); |
570 | krl = get_unaligned_be32(key + 8); |
571 | krr = get_unaligned_be32(key + 12); |
572 | |
573 | /* generate KL dependent subkeys */ |
574 | /* kw1 */ |
575 | subL[0] = kll; subR[0] = klr; |
576 | /* kw2 */ |
577 | subL[1] = krl; subR[1] = krr; |
578 | /* rotation left shift 15bit */ |
579 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
580 | /* k3 */ |
581 | subL[4] = kll; subR[4] = klr; |
582 | /* k4 */ |
583 | subL[5] = krl; subR[5] = krr; |
584 | /* rotation left shift 15+30bit */ |
585 | ROLDQ(kll, klr, krl, krr, w0, w1, 30); |
586 | /* k7 */ |
587 | subL[10] = kll; subR[10] = klr; |
588 | /* k8 */ |
589 | subL[11] = krl; subR[11] = krr; |
590 | /* rotation left shift 15+30+15bit */ |
591 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
592 | /* k10 */ |
593 | subL[13] = krl; subR[13] = krr; |
594 | /* rotation left shift 15+30+15+17 bit */ |
595 | ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
596 | /* kl3 */ |
597 | subL[16] = kll; subR[16] = klr; |
598 | /* kl4 */ |
599 | subL[17] = krl; subR[17] = krr; |
600 | /* rotation left shift 15+30+15+17+17 bit */ |
601 | ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
602 | /* k13 */ |
603 | subL[18] = kll; subR[18] = klr; |
604 | /* k14 */ |
605 | subL[19] = krl; subR[19] = krr; |
606 | /* rotation left shift 15+30+15+17+17+17 bit */ |
607 | ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
608 | /* k17 */ |
609 | subL[22] = kll; subR[22] = klr; |
610 | /* k18 */ |
611 | subL[23] = krl; subR[23] = krr; |
612 | |
613 | /* generate KA */ |
614 | kll = subL[0]; klr = subR[0]; |
615 | krl = subL[1]; krr = subR[1]; |
616 | CAMELLIA_F(kll, klr, |
617 | CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R, |
618 | w0, w1, il, ir, t0, t1); |
619 | krl ^= w0; krr ^= w1; |
620 | CAMELLIA_F(krl, krr, |
621 | CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R, |
622 | kll, klr, il, ir, t0, t1); |
623 | /* current status == (kll, klr, w0, w1) */ |
624 | CAMELLIA_F(kll, klr, |
625 | CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R, |
626 | krl, krr, il, ir, t0, t1); |
627 | krl ^= w0; krr ^= w1; |
628 | CAMELLIA_F(krl, krr, |
629 | CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R, |
630 | w0, w1, il, ir, t0, t1); |
631 | kll ^= w0; klr ^= w1; |
632 | |
633 | /* generate KA dependent subkeys */ |
634 | /* k1, k2 */ |
635 | subL[2] = kll; subR[2] = klr; |
636 | subL[3] = krl; subR[3] = krr; |
637 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
638 | /* k5,k6 */ |
639 | subL[6] = kll; subR[6] = klr; |
640 | subL[7] = krl; subR[7] = krr; |
641 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
642 | /* kl1, kl2 */ |
643 | subL[8] = kll; subR[8] = klr; |
644 | subL[9] = krl; subR[9] = krr; |
645 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
646 | /* k9 */ |
647 | subL[12] = kll; subR[12] = klr; |
648 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
649 | /* k11, k12 */ |
650 | subL[14] = kll; subR[14] = klr; |
651 | subL[15] = krl; subR[15] = krr; |
652 | ROLDQo32(kll, klr, krl, krr, w0, w1, 34); |
653 | /* k15, k16 */ |
654 | subL[20] = kll; subR[20] = klr; |
655 | subL[21] = krl; subR[21] = krr; |
656 | ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
657 | /* kw3, kw4 */ |
658 | subL[24] = kll; subR[24] = klr; |
659 | subL[25] = krl; subR[25] = krr; |
660 | |
661 | camellia_setup_tail(subkey, subL, subR, 24); |
662 | } |
663 | |
664 | static void camellia_setup256(const unsigned char *key, u32 *subkey) |
665 | { |
666 | u32 kll, klr, krl, krr; /* left half of key */ |
667 | u32 krll, krlr, krrl, krrr; /* right half of key */ |
668 | u32 il, ir, t0, t1, w0, w1; /* temporary variables */ |
669 | u32 subL[34]; |
670 | u32 subR[34]; |
671 | |
672 | /** |
673 | * key = (kll || klr || krl || krr || krll || krlr || krrl || krrr) |
674 | * (|| is concatenation) |
675 | */ |
676 | kll = get_unaligned_be32(key); |
677 | klr = get_unaligned_be32(key + 4); |
678 | krl = get_unaligned_be32(key + 8); |
679 | krr = get_unaligned_be32(key + 12); |
680 | krll = get_unaligned_be32(key + 16); |
681 | krlr = get_unaligned_be32(key + 20); |
682 | krrl = get_unaligned_be32(key + 24); |
683 | krrr = get_unaligned_be32(key + 28); |
684 | |
685 | /* generate KL dependent subkeys */ |
686 | /* kw1 */ |
687 | subL[0] = kll; subR[0] = klr; |
688 | /* kw2 */ |
689 | subL[1] = krl; subR[1] = krr; |
690 | ROLDQo32(kll, klr, krl, krr, w0, w1, 45); |
691 | /* k9 */ |
692 | subL[12] = kll; subR[12] = klr; |
693 | /* k10 */ |
694 | subL[13] = krl; subR[13] = krr; |
695 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
696 | /* kl3 */ |
697 | subL[16] = kll; subR[16] = klr; |
698 | /* kl4 */ |
699 | subL[17] = krl; subR[17] = krr; |
700 | ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
701 | /* k17 */ |
702 | subL[22] = kll; subR[22] = klr; |
703 | /* k18 */ |
704 | subL[23] = krl; subR[23] = krr; |
705 | ROLDQo32(kll, klr, krl, krr, w0, w1, 34); |
706 | /* k23 */ |
707 | subL[30] = kll; subR[30] = klr; |
708 | /* k24 */ |
709 | subL[31] = krl; subR[31] = krr; |
710 | |
711 | /* generate KR dependent subkeys */ |
712 | ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); |
713 | /* k3 */ |
714 | subL[4] = krll; subR[4] = krlr; |
715 | /* k4 */ |
716 | subL[5] = krrl; subR[5] = krrr; |
717 | ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); |
718 | /* kl1 */ |
719 | subL[8] = krll; subR[8] = krlr; |
720 | /* kl2 */ |
721 | subL[9] = krrl; subR[9] = krrr; |
722 | ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
723 | /* k13 */ |
724 | subL[18] = krll; subR[18] = krlr; |
725 | /* k14 */ |
726 | subL[19] = krrl; subR[19] = krrr; |
727 | ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); |
728 | /* k19 */ |
729 | subL[26] = krll; subR[26] = krlr; |
730 | /* k20 */ |
731 | subL[27] = krrl; subR[27] = krrr; |
732 | ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); |
733 | |
734 | /* generate KA */ |
735 | kll = subL[0] ^ krll; klr = subR[0] ^ krlr; |
736 | krl = subL[1] ^ krrl; krr = subR[1] ^ krrr; |
737 | CAMELLIA_F(kll, klr, |
738 | CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R, |
739 | w0, w1, il, ir, t0, t1); |
740 | krl ^= w0; krr ^= w1; |
741 | CAMELLIA_F(krl, krr, |
742 | CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R, |
743 | kll, klr, il, ir, t0, t1); |
744 | kll ^= krll; klr ^= krlr; |
745 | CAMELLIA_F(kll, klr, |
746 | CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R, |
747 | krl, krr, il, ir, t0, t1); |
748 | krl ^= w0 ^ krrl; krr ^= w1 ^ krrr; |
749 | CAMELLIA_F(krl, krr, |
750 | CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R, |
751 | w0, w1, il, ir, t0, t1); |
752 | kll ^= w0; klr ^= w1; |
753 | |
754 | /* generate KB */ |
755 | krll ^= kll; krlr ^= klr; |
756 | krrl ^= krl; krrr ^= krr; |
757 | CAMELLIA_F(krll, krlr, |
758 | CAMELLIA_SIGMA5L, CAMELLIA_SIGMA5R, |
759 | w0, w1, il, ir, t0, t1); |
760 | krrl ^= w0; krrr ^= w1; |
761 | CAMELLIA_F(krrl, krrr, |
762 | CAMELLIA_SIGMA6L, CAMELLIA_SIGMA6R, |
763 | w0, w1, il, ir, t0, t1); |
764 | krll ^= w0; krlr ^= w1; |
765 | |
766 | /* generate KA dependent subkeys */ |
767 | ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
768 | /* k5 */ |
769 | subL[6] = kll; subR[6] = klr; |
770 | /* k6 */ |
771 | subL[7] = krl; subR[7] = krr; |
772 | ROLDQ(kll, klr, krl, krr, w0, w1, 30); |
773 | /* k11 */ |
774 | subL[14] = kll; subR[14] = klr; |
775 | /* k12 */ |
776 | subL[15] = krl; subR[15] = krr; |
777 | /* rotation left shift 32bit */ |
778 | /* kl5 */ |
779 | subL[24] = klr; subR[24] = krl; |
780 | /* kl6 */ |
781 | subL[25] = krr; subR[25] = kll; |
782 | /* rotation left shift 49 from k11,k12 -> k21,k22 */ |
783 | ROLDQo32(kll, klr, krl, krr, w0, w1, 49); |
784 | /* k21 */ |
785 | subL[28] = kll; subR[28] = klr; |
786 | /* k22 */ |
787 | subL[29] = krl; subR[29] = krr; |
788 | |
789 | /* generate KB dependent subkeys */ |
790 | /* k1 */ |
791 | subL[2] = krll; subR[2] = krlr; |
792 | /* k2 */ |
793 | subL[3] = krrl; subR[3] = krrr; |
794 | ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
795 | /* k7 */ |
796 | subL[10] = krll; subR[10] = krlr; |
797 | /* k8 */ |
798 | subL[11] = krrl; subR[11] = krrr; |
799 | ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
800 | /* k15 */ |
801 | subL[20] = krll; subR[20] = krlr; |
802 | /* k16 */ |
803 | subL[21] = krrl; subR[21] = krrr; |
804 | ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 51); |
805 | /* kw3 */ |
806 | subL[32] = krll; subR[32] = krlr; |
807 | /* kw4 */ |
808 | subL[33] = krrl; subR[33] = krrr; |
809 | |
810 | camellia_setup_tail(subkey, subL, subR, 32); |
811 | } |
812 | |
813 | static void camellia_setup192(const unsigned char *key, u32 *subkey) |
814 | { |
815 | unsigned char kk[32]; |
816 | u32 krll, krlr, krrl, krrr; |
817 | |
818 | memcpy(kk, key, 24); |
819 | memcpy((unsigned char *)&krll, key+16, 4); |
820 | memcpy((unsigned char *)&krlr, key+20, 4); |
821 | krrl = ~krll; |
822 | krrr = ~krlr; |
823 | memcpy(kk+24, (unsigned char *)&krrl, 4); |
824 | memcpy(kk+28, (unsigned char *)&krrr, 4); |
825 | camellia_setup256(kk, subkey); |
826 | } |
827 | |
828 | |
829 | /* |
830 | * Encrypt/decrypt |
831 | */ |
832 | #define CAMELLIA_FLS(ll, lr, rl, rr, kll, klr, krl, krr, t0, t1, t2, t3) ({ \ |
833 | t0 = kll; \ |
834 | t2 = krr; \ |
835 | t0 &= ll; \ |
836 | t2 |= rr; \ |
837 | rl ^= t2; \ |
838 | lr ^= rol32(t0, 1); \ |
839 | t3 = krl; \ |
840 | t1 = klr; \ |
841 | t3 &= rl; \ |
842 | t1 |= lr; \ |
843 | ll ^= t1; \ |
844 | rr ^= rol32(t3, 1); \ |
845 | }) |
846 | |
847 | #define CAMELLIA_ROUNDSM(xl, xr, kl, kr, yl, yr, il, ir) ({ \ |
848 | yl ^= kl; \ |
849 | yr ^= kr; \ |
850 | ir = camellia_sp1110[(u8)xr]; \ |
851 | il = camellia_sp1110[(u8)(xl >> 24)]; \ |
852 | ir ^= camellia_sp0222[(u8)(xr >> 24)]; \ |
853 | il ^= camellia_sp0222[(u8)(xl >> 16)]; \ |
854 | ir ^= camellia_sp3033[(u8)(xr >> 16)]; \ |
855 | il ^= camellia_sp3033[(u8)(xl >> 8)]; \ |
856 | ir ^= camellia_sp4404[(u8)(xr >> 8)]; \ |
857 | il ^= camellia_sp4404[(u8)xl]; \ |
858 | ir ^= il; \ |
859 | yl ^= ir; \ |
860 | yr ^= ror32(il, 8) ^ ir; \ |
861 | }) |
862 | |
863 | /* max = 24: 128bit encrypt, max = 32: 256bit encrypt */ |
864 | static void camellia_do_encrypt(const u32 *subkey, u32 *io, unsigned max) |
865 | { |
866 | u32 il, ir, t0, t1; /* temporary variables */ |
867 | |
868 | /* pre whitening but absorb kw2 */ |
869 | io[0] ^= SUBKEY_L(0); |
870 | io[1] ^= SUBKEY_R(0); |
871 | |
872 | /* main iteration */ |
873 | #define ROUNDS(i) ({ \ |
874 | CAMELLIA_ROUNDSM(io[0], io[1], \ |
875 | SUBKEY_L(i + 2), SUBKEY_R(i + 2), \ |
876 | io[2], io[3], il, ir); \ |
877 | CAMELLIA_ROUNDSM(io[2], io[3], \ |
878 | SUBKEY_L(i + 3), SUBKEY_R(i + 3), \ |
879 | io[0], io[1], il, ir); \ |
880 | CAMELLIA_ROUNDSM(io[0], io[1], \ |
881 | SUBKEY_L(i + 4), SUBKEY_R(i + 4), \ |
882 | io[2], io[3], il, ir); \ |
883 | CAMELLIA_ROUNDSM(io[2], io[3], \ |
884 | SUBKEY_L(i + 5), SUBKEY_R(i + 5), \ |
885 | io[0], io[1], il, ir); \ |
886 | CAMELLIA_ROUNDSM(io[0], io[1], \ |
887 | SUBKEY_L(i + 6), SUBKEY_R(i + 6), \ |
888 | io[2], io[3], il, ir); \ |
889 | CAMELLIA_ROUNDSM(io[2], io[3], \ |
890 | SUBKEY_L(i + 7), SUBKEY_R(i + 7), \ |
891 | io[0], io[1], il, ir); \ |
892 | }) |
893 | #define FLS(i) ({ \ |
894 | CAMELLIA_FLS(io[0], io[1], io[2], io[3], \ |
895 | SUBKEY_L(i + 0), SUBKEY_R(i + 0), \ |
896 | SUBKEY_L(i + 1), SUBKEY_R(i + 1), \ |
897 | t0, t1, il, ir); \ |
898 | }) |
899 | |
900 | ROUNDS(0); |
901 | FLS(8); |
902 | ROUNDS(8); |
903 | FLS(16); |
904 | ROUNDS(16); |
905 | if (max == 32) { |
906 | FLS(24); |
907 | ROUNDS(24); |
908 | } |
909 | |
910 | #undef ROUNDS |
911 | #undef FLS |
912 | |
913 | /* post whitening but kw4 */ |
914 | io[2] ^= SUBKEY_L(max); |
915 | io[3] ^= SUBKEY_R(max); |
916 | /* NB: io[0],[1] should be swapped with [2],[3] by caller! */ |
917 | } |
918 | |
919 | static void camellia_do_decrypt(const u32 *subkey, u32 *io, unsigned i) |
920 | { |
921 | u32 il, ir, t0, t1; /* temporary variables */ |
922 | |
923 | /* pre whitening but absorb kw2 */ |
924 | io[0] ^= SUBKEY_L(i); |
925 | io[1] ^= SUBKEY_R(i); |
926 | |
927 | /* main iteration */ |
928 | #define ROUNDS(i) ({ \ |
929 | CAMELLIA_ROUNDSM(io[0], io[1], \ |
930 | SUBKEY_L(i + 7), SUBKEY_R(i + 7), \ |
931 | io[2], io[3], il, ir); \ |
932 | CAMELLIA_ROUNDSM(io[2], io[3], \ |
933 | SUBKEY_L(i + 6), SUBKEY_R(i + 6), \ |
934 | io[0], io[1], il, ir); \ |
935 | CAMELLIA_ROUNDSM(io[0], io[1], \ |
936 | SUBKEY_L(i + 5), SUBKEY_R(i + 5), \ |
937 | io[2], io[3], il, ir); \ |
938 | CAMELLIA_ROUNDSM(io[2], io[3], \ |
939 | SUBKEY_L(i + 4), SUBKEY_R(i + 4), \ |
940 | io[0], io[1], il, ir); \ |
941 | CAMELLIA_ROUNDSM(io[0], io[1], \ |
942 | SUBKEY_L(i + 3), SUBKEY_R(i + 3), \ |
943 | io[2], io[3], il, ir); \ |
944 | CAMELLIA_ROUNDSM(io[2], io[3], \ |
945 | SUBKEY_L(i + 2), SUBKEY_R(i + 2), \ |
946 | io[0], io[1], il, ir); \ |
947 | }) |
948 | #define FLS(i) ({ \ |
949 | CAMELLIA_FLS(io[0], io[1], io[2], io[3], \ |
950 | SUBKEY_L(i + 1), SUBKEY_R(i + 1), \ |
951 | SUBKEY_L(i + 0), SUBKEY_R(i + 0), \ |
952 | t0, t1, il, ir); \ |
953 | }) |
954 | |
955 | if (i == 32) { |
956 | ROUNDS(24); |
957 | FLS(24); |
958 | } |
959 | ROUNDS(16); |
960 | FLS(16); |
961 | ROUNDS(8); |
962 | FLS(8); |
963 | ROUNDS(0); |
964 | |
965 | #undef ROUNDS |
966 | #undef FLS |
967 | |
968 | /* post whitening but kw4 */ |
969 | io[2] ^= SUBKEY_L(0); |
970 | io[3] ^= SUBKEY_R(0); |
971 | /* NB: 0,1 should be swapped with 2,3 by caller! */ |
972 | } |
973 | |
974 | |
975 | struct camellia_ctx { |
976 | int key_length; |
977 | u32 key_table[CAMELLIA_TABLE_BYTE_LEN / sizeof(u32)]; |
978 | }; |
979 | |
980 | static int |
981 | camellia_set_key(struct crypto_tfm *tfm, const u8 *in_key, |
982 | unsigned int key_len) |
983 | { |
984 | struct camellia_ctx *cctx = crypto_tfm_ctx(tfm); |
985 | const unsigned char *key = (const unsigned char *)in_key; |
986 | u32 *flags = &tfm->crt_flags; |
987 | |
988 | if (key_len != 16 && key_len != 24 && key_len != 32) { |
989 | *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; |
990 | return -EINVAL; |
991 | } |
992 | |
993 | cctx->key_length = key_len; |
994 | |
995 | switch (key_len) { |
996 | case 16: |
997 | camellia_setup128(key, cctx->key_table); |
998 | break; |
999 | case 24: |
1000 | camellia_setup192(key, cctx->key_table); |
1001 | break; |
1002 | case 32: |
1003 | camellia_setup256(key, cctx->key_table); |
1004 | break; |
1005 | } |
1006 | |
1007 | return 0; |
1008 | } |
1009 | |
1010 | static void camellia_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) |
1011 | { |
1012 | const struct camellia_ctx *cctx = crypto_tfm_ctx(tfm); |
1013 | const __be32 *src = (const __be32 *)in; |
1014 | __be32 *dst = (__be32 *)out; |
1015 | unsigned int max; |
1016 | |
1017 | u32 tmp[4]; |
1018 | |
1019 | tmp[0] = be32_to_cpu(src[0]); |
1020 | tmp[1] = be32_to_cpu(src[1]); |
1021 | tmp[2] = be32_to_cpu(src[2]); |
1022 | tmp[3] = be32_to_cpu(src[3]); |
1023 | |
1024 | if (cctx->key_length == 16) |
1025 | max = 24; |
1026 | else |
1027 | max = 32; /* for key lengths of 24 and 32 */ |
1028 | |
1029 | camellia_do_encrypt(cctx->key_table, tmp, max); |
1030 | |
1031 | /* do_encrypt returns 0,1 swapped with 2,3 */ |
1032 | dst[0] = cpu_to_be32(tmp[2]); |
1033 | dst[1] = cpu_to_be32(tmp[3]); |
1034 | dst[2] = cpu_to_be32(tmp[0]); |
1035 | dst[3] = cpu_to_be32(tmp[1]); |
1036 | } |
1037 | |
1038 | static void camellia_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) |
1039 | { |
1040 | const struct camellia_ctx *cctx = crypto_tfm_ctx(tfm); |
1041 | const __be32 *src = (const __be32 *)in; |
1042 | __be32 *dst = (__be32 *)out; |
1043 | unsigned int max; |
1044 | |
1045 | u32 tmp[4]; |
1046 | |
1047 | tmp[0] = be32_to_cpu(src[0]); |
1048 | tmp[1] = be32_to_cpu(src[1]); |
1049 | tmp[2] = be32_to_cpu(src[2]); |
1050 | tmp[3] = be32_to_cpu(src[3]); |
1051 | |
1052 | if (cctx->key_length == 16) |
1053 | max = 24; |
1054 | else |
1055 | max = 32; /* for key lengths of 24 and 32 */ |
1056 | |
1057 | camellia_do_decrypt(cctx->key_table, tmp, max); |
1058 | |
1059 | /* do_decrypt returns 0,1 swapped with 2,3 */ |
1060 | dst[0] = cpu_to_be32(tmp[2]); |
1061 | dst[1] = cpu_to_be32(tmp[3]); |
1062 | dst[2] = cpu_to_be32(tmp[0]); |
1063 | dst[3] = cpu_to_be32(tmp[1]); |
1064 | } |
1065 | |
1066 | static struct crypto_alg camellia_alg = { |
1067 | .cra_name = "camellia", |
1068 | .cra_driver_name = "camellia-generic", |
1069 | .cra_priority = 100, |
1070 | .cra_flags = CRYPTO_ALG_TYPE_CIPHER, |
1071 | .cra_blocksize = CAMELLIA_BLOCK_SIZE, |
1072 | .cra_ctxsize = sizeof(struct camellia_ctx), |
1073 | .cra_alignmask = 3, |
1074 | .cra_module = THIS_MODULE, |
1075 | .cra_u = { |
1076 | .cipher = { |
1077 | .cia_min_keysize = CAMELLIA_MIN_KEY_SIZE, |
1078 | .cia_max_keysize = CAMELLIA_MAX_KEY_SIZE, |
1079 | .cia_setkey = camellia_set_key, |
1080 | .cia_encrypt = camellia_encrypt, |
1081 | .cia_decrypt = camellia_decrypt |
1082 | } |
1083 | } |
1084 | }; |
1085 | |
1086 | static int __init camellia_init(void) |
1087 | { |
1088 | return crypto_register_alg(&camellia_alg); |
1089 | } |
1090 | |
1091 | static void __exit camellia_fini(void) |
1092 | { |
1093 | crypto_unregister_alg(&camellia_alg); |
1094 | } |
1095 | |
1096 | module_init(camellia_init); |
1097 | module_exit(camellia_fini); |
1098 | |
1099 | MODULE_DESCRIPTION("Camellia Cipher Algorithm"); |
1100 | MODULE_LICENSE("GPL"); |
1101 | MODULE_ALIAS("camellia"); |
1102 |
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