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24#include <linux/init.h>
25#include <linux/crypto.h>
26#include <linux/module.h>
27#include <linux/errno.h>
28#include <linux/string.h>
29
30#define CAST5_BLOCK_SIZE 8
31#define CAST5_MIN_KEY_SIZE 5
32#define CAST5_MAX_KEY_SIZE 16
33
34struct cast5_ctx {
35 u32 Km[16];
36 u8 Kr[16];
37 int rr;
38};
39
40
41static const u32 s1[256] = {
42 0x30fb40d4, 0x9fa0ff0b, 0x6beccd2f, 0x3f258c7a, 0x1e213f2f,
43 0x9c004dd3, 0x6003e540, 0xcf9fc949,
44 0xbfd4af27, 0x88bbbdb5, 0xe2034090, 0x98d09675, 0x6e63a0e0,
45 0x15c361d2, 0xc2e7661d, 0x22d4ff8e,
46 0x28683b6f, 0xc07fd059, 0xff2379c8, 0x775f50e2, 0x43c340d3,
47 0xdf2f8656, 0x887ca41a, 0xa2d2bd2d,
48 0xa1c9e0d6, 0x346c4819, 0x61b76d87, 0x22540f2f, 0x2abe32e1,
49 0xaa54166b, 0x22568e3a, 0xa2d341d0,
50 0x66db40c8, 0xa784392f, 0x004dff2f, 0x2db9d2de, 0x97943fac,
51 0x4a97c1d8, 0x527644b7, 0xb5f437a7,
52 0xb82cbaef, 0xd751d159, 0x6ff7f0ed, 0x5a097a1f, 0x827b68d0,
53 0x90ecf52e, 0x22b0c054, 0xbc8e5935,
54 0x4b6d2f7f, 0x50bb64a2, 0xd2664910, 0xbee5812d, 0xb7332290,
55 0xe93b159f, 0xb48ee411, 0x4bff345d,
56 0xfd45c240, 0xad31973f, 0xc4f6d02e, 0x55fc8165, 0xd5b1caad,
57 0xa1ac2dae, 0xa2d4b76d, 0xc19b0c50,
58 0x882240f2, 0x0c6e4f38, 0xa4e4bfd7, 0x4f5ba272, 0x564c1d2f,
59 0xc59c5319, 0xb949e354, 0xb04669fe,
60 0xb1b6ab8a, 0xc71358dd, 0x6385c545, 0x110f935d, 0x57538ad5,
61 0x6a390493, 0xe63d37e0, 0x2a54f6b3,
62 0x3a787d5f, 0x6276a0b5, 0x19a6fcdf, 0x7a42206a, 0x29f9d4d5,
63 0xf61b1891, 0xbb72275e, 0xaa508167,
64 0x38901091, 0xc6b505eb, 0x84c7cb8c, 0x2ad75a0f, 0x874a1427,
65 0xa2d1936b, 0x2ad286af, 0xaa56d291,
66 0xd7894360, 0x425c750d, 0x93b39e26, 0x187184c9, 0x6c00b32d,
67 0x73e2bb14, 0xa0bebc3c, 0x54623779,
68 0x64459eab, 0x3f328b82, 0x7718cf82, 0x59a2cea6, 0x04ee002e,
69 0x89fe78e6, 0x3fab0950, 0x325ff6c2,
70 0x81383f05, 0x6963c5c8, 0x76cb5ad6, 0xd49974c9, 0xca180dcf,
71 0x380782d5, 0xc7fa5cf6, 0x8ac31511,
72 0x35e79e13, 0x47da91d0, 0xf40f9086, 0xa7e2419e, 0x31366241,
73 0x051ef495, 0xaa573b04, 0x4a805d8d,
74 0x548300d0, 0x00322a3c, 0xbf64cddf, 0xba57a68e, 0x75c6372b,
75 0x50afd341, 0xa7c13275, 0x915a0bf5,
76 0x6b54bfab, 0x2b0b1426, 0xab4cc9d7, 0x449ccd82, 0xf7fbf265,
77 0xab85c5f3, 0x1b55db94, 0xaad4e324,
78 0xcfa4bd3f, 0x2deaa3e2, 0x9e204d02, 0xc8bd25ac, 0xeadf55b3,
79 0xd5bd9e98, 0xe31231b2, 0x2ad5ad6c,
80 0x954329de, 0xadbe4528, 0xd8710f69, 0xaa51c90f, 0xaa786bf6,
81 0x22513f1e, 0xaa51a79b, 0x2ad344cc,
82 0x7b5a41f0, 0xd37cfbad, 0x1b069505, 0x41ece491, 0xb4c332e6,
83 0x032268d4, 0xc9600acc, 0xce387e6d,
84 0xbf6bb16c, 0x6a70fb78, 0x0d03d9c9, 0xd4df39de, 0xe01063da,
85 0x4736f464, 0x5ad328d8, 0xb347cc96,
86 0x75bb0fc3, 0x98511bfb, 0x4ffbcc35, 0xb58bcf6a, 0xe11f0abc,
87 0xbfc5fe4a, 0xa70aec10, 0xac39570a,
88 0x3f04442f, 0x6188b153, 0xe0397a2e, 0x5727cb79, 0x9ceb418f,
89 0x1cacd68d, 0x2ad37c96, 0x0175cb9d,
90 0xc69dff09, 0xc75b65f0, 0xd9db40d8, 0xec0e7779, 0x4744ead4,
91 0xb11c3274, 0xdd24cb9e, 0x7e1c54bd,
92 0xf01144f9, 0xd2240eb1, 0x9675b3fd, 0xa3ac3755, 0xd47c27af,
93 0x51c85f4d, 0x56907596, 0xa5bb15e6,
94 0x580304f0, 0xca042cf1, 0x011a37ea, 0x8dbfaadb, 0x35ba3e4a,
95 0x3526ffa0, 0xc37b4d09, 0xbc306ed9,
96 0x98a52666, 0x5648f725, 0xff5e569d, 0x0ced63d0, 0x7c63b2cf,
97 0x700b45e1, 0xd5ea50f1, 0x85a92872,
98 0xaf1fbda7, 0xd4234870, 0xa7870bf3, 0x2d3b4d79, 0x42e04198,
99 0x0cd0ede7, 0x26470db8, 0xf881814c,
100 0x474d6ad7, 0x7c0c5e5c, 0xd1231959, 0x381b7298, 0xf5d2f4db,
101 0xab838653, 0x6e2f1e23, 0x83719c9e,
102 0xbd91e046, 0x9a56456e, 0xdc39200c, 0x20c8c571, 0x962bda1c,
103 0xe1e696ff, 0xb141ab08, 0x7cca89b9,
104 0x1a69e783, 0x02cc4843, 0xa2f7c579, 0x429ef47d, 0x427b169c,
105 0x5ac9f049, 0xdd8f0f00, 0x5c8165bf
106};
107static const u32 s2[256] = {
108 0x1f201094, 0xef0ba75b, 0x69e3cf7e, 0x393f4380, 0xfe61cf7a,
109 0xeec5207a, 0x55889c94, 0x72fc0651,
110 0xada7ef79, 0x4e1d7235, 0xd55a63ce, 0xde0436ba, 0x99c430ef,
111 0x5f0c0794, 0x18dcdb7d, 0xa1d6eff3,
112 0xa0b52f7b, 0x59e83605, 0xee15b094, 0xe9ffd909, 0xdc440086,
113 0xef944459, 0xba83ccb3, 0xe0c3cdfb,
114 0xd1da4181, 0x3b092ab1, 0xf997f1c1, 0xa5e6cf7b, 0x01420ddb,
115 0xe4e7ef5b, 0x25a1ff41, 0xe180f806,
116 0x1fc41080, 0x179bee7a, 0xd37ac6a9, 0xfe5830a4, 0x98de8b7f,
117 0x77e83f4e, 0x79929269, 0x24fa9f7b,
118 0xe113c85b, 0xacc40083, 0xd7503525, 0xf7ea615f, 0x62143154,
119 0x0d554b63, 0x5d681121, 0xc866c359,
120 0x3d63cf73, 0xcee234c0, 0xd4d87e87, 0x5c672b21, 0x071f6181,
121 0x39f7627f, 0x361e3084, 0xe4eb573b,
122 0x602f64a4, 0xd63acd9c, 0x1bbc4635, 0x9e81032d, 0x2701f50c,
123 0x99847ab4, 0xa0e3df79, 0xba6cf38c,
124 0x10843094, 0x2537a95e, 0xf46f6ffe, 0xa1ff3b1f, 0x208cfb6a,
125 0x8f458c74, 0xd9e0a227, 0x4ec73a34,
126 0xfc884f69, 0x3e4de8df, 0xef0e0088, 0x3559648d, 0x8a45388c,
127 0x1d804366, 0x721d9bfd, 0xa58684bb,
128 0xe8256333, 0x844e8212, 0x128d8098, 0xfed33fb4, 0xce280ae1,
129 0x27e19ba5, 0xd5a6c252, 0xe49754bd,
130 0xc5d655dd, 0xeb667064, 0x77840b4d, 0xa1b6a801, 0x84db26a9,
131 0xe0b56714, 0x21f043b7, 0xe5d05860,
132 0x54f03084, 0x066ff472, 0xa31aa153, 0xdadc4755, 0xb5625dbf,
133 0x68561be6, 0x83ca6b94, 0x2d6ed23b,
134 0xeccf01db, 0xa6d3d0ba, 0xb6803d5c, 0xaf77a709, 0x33b4a34c,
135 0x397bc8d6, 0x5ee22b95, 0x5f0e5304,
136 0x81ed6f61, 0x20e74364, 0xb45e1378, 0xde18639b, 0x881ca122,
137 0xb96726d1, 0x8049a7e8, 0x22b7da7b,
138 0x5e552d25, 0x5272d237, 0x79d2951c, 0xc60d894c, 0x488cb402,
139 0x1ba4fe5b, 0xa4b09f6b, 0x1ca815cf,
140 0xa20c3005, 0x8871df63, 0xb9de2fcb, 0x0cc6c9e9, 0x0beeff53,
141 0xe3214517, 0xb4542835, 0x9f63293c,
142 0xee41e729, 0x6e1d2d7c, 0x50045286, 0x1e6685f3, 0xf33401c6,
143 0x30a22c95, 0x31a70850, 0x60930f13,
144 0x73f98417, 0xa1269859, 0xec645c44, 0x52c877a9, 0xcdff33a6,
145 0xa02b1741, 0x7cbad9a2, 0x2180036f,
146 0x50d99c08, 0xcb3f4861, 0xc26bd765, 0x64a3f6ab, 0x80342676,
147 0x25a75e7b, 0xe4e6d1fc, 0x20c710e6,
148 0xcdf0b680, 0x17844d3b, 0x31eef84d, 0x7e0824e4, 0x2ccb49eb,
149 0x846a3bae, 0x8ff77888, 0xee5d60f6,
150 0x7af75673, 0x2fdd5cdb, 0xa11631c1, 0x30f66f43, 0xb3faec54,
151 0x157fd7fa, 0xef8579cc, 0xd152de58,
152 0xdb2ffd5e, 0x8f32ce19, 0x306af97a, 0x02f03ef8, 0x99319ad5,
153 0xc242fa0f, 0xa7e3ebb0, 0xc68e4906,
154 0xb8da230c, 0x80823028, 0xdcdef3c8, 0xd35fb171, 0x088a1bc8,
155 0xbec0c560, 0x61a3c9e8, 0xbca8f54d,
156 0xc72feffa, 0x22822e99, 0x82c570b4, 0xd8d94e89, 0x8b1c34bc,
157 0x301e16e6, 0x273be979, 0xb0ffeaa6,
158 0x61d9b8c6, 0x00b24869, 0xb7ffce3f, 0x08dc283b, 0x43daf65a,
159 0xf7e19798, 0x7619b72f, 0x8f1c9ba4,
160 0xdc8637a0, 0x16a7d3b1, 0x9fc393b7, 0xa7136eeb, 0xc6bcc63e,
161 0x1a513742, 0xef6828bc, 0x520365d6,
162 0x2d6a77ab, 0x3527ed4b, 0x821fd216, 0x095c6e2e, 0xdb92f2fb,
163 0x5eea29cb, 0x145892f5, 0x91584f7f,
164 0x5483697b, 0x2667a8cc, 0x85196048, 0x8c4bacea, 0x833860d4,
165 0x0d23e0f9, 0x6c387e8a, 0x0ae6d249,
166 0xb284600c, 0xd835731d, 0xdcb1c647, 0xac4c56ea, 0x3ebd81b3,
167 0x230eabb0, 0x6438bc87, 0xf0b5b1fa,
168 0x8f5ea2b3, 0xfc184642, 0x0a036b7a, 0x4fb089bd, 0x649da589,
169 0xa345415e, 0x5c038323, 0x3e5d3bb9,
170 0x43d79572, 0x7e6dd07c, 0x06dfdf1e, 0x6c6cc4ef, 0x7160a539,
171 0x73bfbe70, 0x83877605, 0x4523ecf1
172};
173static const u32 s3[256] = {
174 0x8defc240, 0x25fa5d9f, 0xeb903dbf, 0xe810c907, 0x47607fff,
175 0x369fe44b, 0x8c1fc644, 0xaececa90,
176 0xbeb1f9bf, 0xeefbcaea, 0xe8cf1950, 0x51df07ae, 0x920e8806,
177 0xf0ad0548, 0xe13c8d83, 0x927010d5,
178 0x11107d9f, 0x07647db9, 0xb2e3e4d4, 0x3d4f285e, 0xb9afa820,
179 0xfade82e0, 0xa067268b, 0x8272792e,
180 0x553fb2c0, 0x489ae22b, 0xd4ef9794, 0x125e3fbc, 0x21fffcee,
181 0x825b1bfd, 0x9255c5ed, 0x1257a240,
182 0x4e1a8302, 0xbae07fff, 0x528246e7, 0x8e57140e, 0x3373f7bf,
183 0x8c9f8188, 0xa6fc4ee8, 0xc982b5a5,
184 0xa8c01db7, 0x579fc264, 0x67094f31, 0xf2bd3f5f, 0x40fff7c1,
185 0x1fb78dfc, 0x8e6bd2c1, 0x437be59b,
186 0x99b03dbf, 0xb5dbc64b, 0x638dc0e6, 0x55819d99, 0xa197c81c,
187 0x4a012d6e, 0xc5884a28, 0xccc36f71,
188 0xb843c213, 0x6c0743f1, 0x8309893c, 0x0feddd5f, 0x2f7fe850,
189 0xd7c07f7e, 0x02507fbf, 0x5afb9a04,
190 0xa747d2d0, 0x1651192e, 0xaf70bf3e, 0x58c31380, 0x5f98302e,
191 0x727cc3c4, 0x0a0fb402, 0x0f7fef82,
192 0x8c96fdad, 0x5d2c2aae, 0x8ee99a49, 0x50da88b8, 0x8427f4a0,
193 0x1eac5790, 0x796fb449, 0x8252dc15,
194 0xefbd7d9b, 0xa672597d, 0xada840d8, 0x45f54504, 0xfa5d7403,
195 0xe83ec305, 0x4f91751a, 0x925669c2,
196 0x23efe941, 0xa903f12e, 0x60270df2, 0x0276e4b6, 0x94fd6574,
197 0x927985b2, 0x8276dbcb, 0x02778176,
198 0xf8af918d, 0x4e48f79e, 0x8f616ddf, 0xe29d840e, 0x842f7d83,
199 0x340ce5c8, 0x96bbb682, 0x93b4b148,
200 0xef303cab, 0x984faf28, 0x779faf9b, 0x92dc560d, 0x224d1e20,
201 0x8437aa88, 0x7d29dc96, 0x2756d3dc,
202 0x8b907cee, 0xb51fd240, 0xe7c07ce3, 0xe566b4a1, 0xc3e9615e,
203 0x3cf8209d, 0x6094d1e3, 0xcd9ca341,
204 0x5c76460e, 0x00ea983b, 0xd4d67881, 0xfd47572c, 0xf76cedd9,
205 0xbda8229c, 0x127dadaa, 0x438a074e,
206 0x1f97c090, 0x081bdb8a, 0x93a07ebe, 0xb938ca15, 0x97b03cff,
207 0x3dc2c0f8, 0x8d1ab2ec, 0x64380e51,
208 0x68cc7bfb, 0xd90f2788, 0x12490181, 0x5de5ffd4, 0xdd7ef86a,
209 0x76a2e214, 0xb9a40368, 0x925d958f,
210 0x4b39fffa, 0xba39aee9, 0xa4ffd30b, 0xfaf7933b, 0x6d498623,
211 0x193cbcfa, 0x27627545, 0x825cf47a,
212 0x61bd8ba0, 0xd11e42d1, 0xcead04f4, 0x127ea392, 0x10428db7,
213 0x8272a972, 0x9270c4a8, 0x127de50b,
214 0x285ba1c8, 0x3c62f44f, 0x35c0eaa5, 0xe805d231, 0x428929fb,
215 0xb4fcdf82, 0x4fb66a53, 0x0e7dc15b,
216 0x1f081fab, 0x108618ae, 0xfcfd086d, 0xf9ff2889, 0x694bcc11,
217 0x236a5cae, 0x12deca4d, 0x2c3f8cc5,
218 0xd2d02dfe, 0xf8ef5896, 0xe4cf52da, 0x95155b67, 0x494a488c,
219 0xb9b6a80c, 0x5c8f82bc, 0x89d36b45,
220 0x3a609437, 0xec00c9a9, 0x44715253, 0x0a874b49, 0xd773bc40,
221 0x7c34671c, 0x02717ef6, 0x4feb5536,
222 0xa2d02fff, 0xd2bf60c4, 0xd43f03c0, 0x50b4ef6d, 0x07478cd1,
223 0x006e1888, 0xa2e53f55, 0xb9e6d4bc,
224 0xa2048016, 0x97573833, 0xd7207d67, 0xde0f8f3d, 0x72f87b33,
225 0xabcc4f33, 0x7688c55d, 0x7b00a6b0,
226 0x947b0001, 0x570075d2, 0xf9bb88f8, 0x8942019e, 0x4264a5ff,
227 0x856302e0, 0x72dbd92b, 0xee971b69,
228 0x6ea22fde, 0x5f08ae2b, 0xaf7a616d, 0xe5c98767, 0xcf1febd2,
229 0x61efc8c2, 0xf1ac2571, 0xcc8239c2,
230 0x67214cb8, 0xb1e583d1, 0xb7dc3e62, 0x7f10bdce, 0xf90a5c38,
231 0x0ff0443d, 0x606e6dc6, 0x60543a49,
232 0x5727c148, 0x2be98a1d, 0x8ab41738, 0x20e1be24, 0xaf96da0f,
233 0x68458425, 0x99833be5, 0x600d457d,
234 0x282f9350, 0x8334b362, 0xd91d1120, 0x2b6d8da0, 0x642b1e31,
235 0x9c305a00, 0x52bce688, 0x1b03588a,
236 0xf7baefd5, 0x4142ed9c, 0xa4315c11, 0x83323ec5, 0xdfef4636,
237 0xa133c501, 0xe9d3531c, 0xee353783
238};
239static const u32 s4[256] = {
240 0x9db30420, 0x1fb6e9de, 0xa7be7bef, 0xd273a298, 0x4a4f7bdb,
241 0x64ad8c57, 0x85510443, 0xfa020ed1,
242 0x7e287aff, 0xe60fb663, 0x095f35a1, 0x79ebf120, 0xfd059d43,
243 0x6497b7b1, 0xf3641f63, 0x241e4adf,
244 0x28147f5f, 0x4fa2b8cd, 0xc9430040, 0x0cc32220, 0xfdd30b30,
245 0xc0a5374f, 0x1d2d00d9, 0x24147b15,
246 0xee4d111a, 0x0fca5167, 0x71ff904c, 0x2d195ffe, 0x1a05645f,
247 0x0c13fefe, 0x081b08ca, 0x05170121,
248 0x80530100, 0xe83e5efe, 0xac9af4f8, 0x7fe72701, 0xd2b8ee5f,
249 0x06df4261, 0xbb9e9b8a, 0x7293ea25,
250 0xce84ffdf, 0xf5718801, 0x3dd64b04, 0xa26f263b, 0x7ed48400,
251 0x547eebe6, 0x446d4ca0, 0x6cf3d6f5,
252 0x2649abdf, 0xaea0c7f5, 0x36338cc1, 0x503f7e93, 0xd3772061,
253 0x11b638e1, 0x72500e03, 0xf80eb2bb,
254 0xabe0502e, 0xec8d77de, 0x57971e81, 0xe14f6746, 0xc9335400,
255 0x6920318f, 0x081dbb99, 0xffc304a5,
256 0x4d351805, 0x7f3d5ce3, 0xa6c866c6, 0x5d5bcca9, 0xdaec6fea,
257 0x9f926f91, 0x9f46222f, 0x3991467d,
258 0xa5bf6d8e, 0x1143c44f, 0x43958302, 0xd0214eeb, 0x022083b8,
259 0x3fb6180c, 0x18f8931e, 0x281658e6,
260 0x26486e3e, 0x8bd78a70, 0x7477e4c1, 0xb506e07c, 0xf32d0a25,
261 0x79098b02, 0xe4eabb81, 0x28123b23,
262 0x69dead38, 0x1574ca16, 0xdf871b62, 0x211c40b7, 0xa51a9ef9,
263 0x0014377b, 0x041e8ac8, 0x09114003,
264 0xbd59e4d2, 0xe3d156d5, 0x4fe876d5, 0x2f91a340, 0x557be8de,
265 0x00eae4a7, 0x0ce5c2ec, 0x4db4bba6,
266 0xe756bdff, 0xdd3369ac, 0xec17b035, 0x06572327, 0x99afc8b0,
267 0x56c8c391, 0x6b65811c, 0x5e146119,
268 0x6e85cb75, 0xbe07c002, 0xc2325577, 0x893ff4ec, 0x5bbfc92d,
269 0xd0ec3b25, 0xb7801ab7, 0x8d6d3b24,
270 0x20c763ef, 0xc366a5fc, 0x9c382880, 0x0ace3205, 0xaac9548a,
271 0xeca1d7c7, 0x041afa32, 0x1d16625a,
272 0x6701902c, 0x9b757a54, 0x31d477f7, 0x9126b031, 0x36cc6fdb,
273 0xc70b8b46, 0xd9e66a48, 0x56e55a79,
274 0x026a4ceb, 0x52437eff, 0x2f8f76b4, 0x0df980a5, 0x8674cde3,
275 0xedda04eb, 0x17a9be04, 0x2c18f4df,
276 0xb7747f9d, 0xab2af7b4, 0xefc34d20, 0x2e096b7c, 0x1741a254,
277 0xe5b6a035, 0x213d42f6, 0x2c1c7c26,
278 0x61c2f50f, 0x6552daf9, 0xd2c231f8, 0x25130f69, 0xd8167fa2,
279 0x0418f2c8, 0x001a96a6, 0x0d1526ab,
280 0x63315c21, 0x5e0a72ec, 0x49bafefd, 0x187908d9, 0x8d0dbd86,
281 0x311170a7, 0x3e9b640c, 0xcc3e10d7,
282 0xd5cad3b6, 0x0caec388, 0xf73001e1, 0x6c728aff, 0x71eae2a1,
283 0x1f9af36e, 0xcfcbd12f, 0xc1de8417,
284 0xac07be6b, 0xcb44a1d8, 0x8b9b0f56, 0x013988c3, 0xb1c52fca,
285 0xb4be31cd, 0xd8782806, 0x12a3a4e2,
286 0x6f7de532, 0x58fd7eb6, 0xd01ee900, 0x24adffc2, 0xf4990fc5,
287 0x9711aac5, 0x001d7b95, 0x82e5e7d2,
288 0x109873f6, 0x00613096, 0xc32d9521, 0xada121ff, 0x29908415,
289 0x7fbb977f, 0xaf9eb3db, 0x29c9ed2a,
290 0x5ce2a465, 0xa730f32c, 0xd0aa3fe8, 0x8a5cc091, 0xd49e2ce7,
291 0x0ce454a9, 0xd60acd86, 0x015f1919,
292 0x77079103, 0xdea03af6, 0x78a8565e, 0xdee356df, 0x21f05cbe,
293 0x8b75e387, 0xb3c50651, 0xb8a5c3ef,
294 0xd8eeb6d2, 0xe523be77, 0xc2154529, 0x2f69efdf, 0xafe67afb,
295 0xf470c4b2, 0xf3e0eb5b, 0xd6cc9876,
296 0x39e4460c, 0x1fda8538, 0x1987832f, 0xca007367, 0xa99144f8,
297 0x296b299e, 0x492fc295, 0x9266beab,
298 0xb5676e69, 0x9bd3ddda, 0xdf7e052f, 0xdb25701c, 0x1b5e51ee,
299 0xf65324e6, 0x6afce36c, 0x0316cc04,
300 0x8644213e, 0xb7dc59d0, 0x7965291f, 0xccd6fd43, 0x41823979,
301 0x932bcdf6, 0xb657c34d, 0x4edfd282,
302 0x7ae5290c, 0x3cb9536b, 0x851e20fe, 0x9833557e, 0x13ecf0b0,
303 0xd3ffb372, 0x3f85c5c1, 0x0aef7ed2
304};
305static const u32 s5[256] = {
306 0x7ec90c04, 0x2c6e74b9, 0x9b0e66df, 0xa6337911, 0xb86a7fff,
307 0x1dd358f5, 0x44dd9d44, 0x1731167f,
308 0x08fbf1fa, 0xe7f511cc, 0xd2051b00, 0x735aba00, 0x2ab722d8,
309 0x386381cb, 0xacf6243a, 0x69befd7a,
310 0xe6a2e77f, 0xf0c720cd, 0xc4494816, 0xccf5c180, 0x38851640,
311 0x15b0a848, 0xe68b18cb, 0x4caadeff,
312 0x5f480a01, 0x0412b2aa, 0x259814fc, 0x41d0efe2, 0x4e40b48d,
313 0x248eb6fb, 0x8dba1cfe, 0x41a99b02,
314 0x1a550a04, 0xba8f65cb, 0x7251f4e7, 0x95a51725, 0xc106ecd7,
315 0x97a5980a, 0xc539b9aa, 0x4d79fe6a,
316 0xf2f3f763, 0x68af8040, 0xed0c9e56, 0x11b4958b, 0xe1eb5a88,
317 0x8709e6b0, 0xd7e07156, 0x4e29fea7,
318 0x6366e52d, 0x02d1c000, 0xc4ac8e05, 0x9377f571, 0x0c05372a,
319 0x578535f2, 0x2261be02, 0xd642a0c9,
320 0xdf13a280, 0x74b55bd2, 0x682199c0, 0xd421e5ec, 0x53fb3ce8,
321 0xc8adedb3, 0x28a87fc9, 0x3d959981,
322 0x5c1ff900, 0xfe38d399, 0x0c4eff0b, 0x062407ea, 0xaa2f4fb1,
323 0x4fb96976, 0x90c79505, 0xb0a8a774,
324 0xef55a1ff, 0xe59ca2c2, 0xa6b62d27, 0xe66a4263, 0xdf65001f,
325 0x0ec50966, 0xdfdd55bc, 0x29de0655,
326 0x911e739a, 0x17af8975, 0x32c7911c, 0x89f89468, 0x0d01e980,
327 0x524755f4, 0x03b63cc9, 0x0cc844b2,
328 0xbcf3f0aa, 0x87ac36e9, 0xe53a7426, 0x01b3d82b, 0x1a9e7449,
329 0x64ee2d7e, 0xcddbb1da, 0x01c94910,
330 0xb868bf80, 0x0d26f3fd, 0x9342ede7, 0x04a5c284, 0x636737b6,
331 0x50f5b616, 0xf24766e3, 0x8eca36c1,
332 0x136e05db, 0xfef18391, 0xfb887a37, 0xd6e7f7d4, 0xc7fb7dc9,
333 0x3063fcdf, 0xb6f589de, 0xec2941da,
334 0x26e46695, 0xb7566419, 0xf654efc5, 0xd08d58b7, 0x48925401,
335 0xc1bacb7f, 0xe5ff550f, 0xb6083049,
336 0x5bb5d0e8, 0x87d72e5a, 0xab6a6ee1, 0x223a66ce, 0xc62bf3cd,
337 0x9e0885f9, 0x68cb3e47, 0x086c010f,
338 0xa21de820, 0xd18b69de, 0xf3f65777, 0xfa02c3f6, 0x407edac3,
339 0xcbb3d550, 0x1793084d, 0xb0d70eba,
340 0x0ab378d5, 0xd951fb0c, 0xded7da56, 0x4124bbe4, 0x94ca0b56,
341 0x0f5755d1, 0xe0e1e56e, 0x6184b5be,
342 0x580a249f, 0x94f74bc0, 0xe327888e, 0x9f7b5561, 0xc3dc0280,
343 0x05687715, 0x646c6bd7, 0x44904db3,
344 0x66b4f0a3, 0xc0f1648a, 0x697ed5af, 0x49e92ff6, 0x309e374f,
345 0x2cb6356a, 0x85808573, 0x4991f840,
346 0x76f0ae02, 0x083be84d, 0x28421c9a, 0x44489406, 0x736e4cb8,
347 0xc1092910, 0x8bc95fc6, 0x7d869cf4,
348 0x134f616f, 0x2e77118d, 0xb31b2be1, 0xaa90b472, 0x3ca5d717,
349 0x7d161bba, 0x9cad9010, 0xaf462ba2,
350 0x9fe459d2, 0x45d34559, 0xd9f2da13, 0xdbc65487, 0xf3e4f94e,
351 0x176d486f, 0x097c13ea, 0x631da5c7,
352 0x445f7382, 0x175683f4, 0xcdc66a97, 0x70be0288, 0xb3cdcf72,
353 0x6e5dd2f3, 0x20936079, 0x459b80a5,
354 0xbe60e2db, 0xa9c23101, 0xeba5315c, 0x224e42f2, 0x1c5c1572,
355 0xf6721b2c, 0x1ad2fff3, 0x8c25404e,
356 0x324ed72f, 0x4067b7fd, 0x0523138e, 0x5ca3bc78, 0xdc0fd66e,
357 0x75922283, 0x784d6b17, 0x58ebb16e,
358 0x44094f85, 0x3f481d87, 0xfcfeae7b, 0x77b5ff76, 0x8c2302bf,
359 0xaaf47556, 0x5f46b02a, 0x2b092801,
360 0x3d38f5f7, 0x0ca81f36, 0x52af4a8a, 0x66d5e7c0, 0xdf3b0874,
361 0x95055110, 0x1b5ad7a8, 0xf61ed5ad,
362 0x6cf6e479, 0x20758184, 0xd0cefa65, 0x88f7be58, 0x4a046826,
363 0x0ff6f8f3, 0xa09c7f70, 0x5346aba0,
364 0x5ce96c28, 0xe176eda3, 0x6bac307f, 0x376829d2, 0x85360fa9,
365 0x17e3fe2a, 0x24b79767, 0xf5a96b20,
366 0xd6cd2595, 0x68ff1ebf, 0x7555442c, 0xf19f06be, 0xf9e0659a,
367 0xeeb9491d, 0x34010718, 0xbb30cab8,
368 0xe822fe15, 0x88570983, 0x750e6249, 0xda627e55, 0x5e76ffa8,
369 0xb1534546, 0x6d47de08, 0xefe9e7d4
370};
371static const u32 s6[256] = {
372 0xf6fa8f9d, 0x2cac6ce1, 0x4ca34867, 0xe2337f7c, 0x95db08e7,
373 0x016843b4, 0xeced5cbc, 0x325553ac,
374 0xbf9f0960, 0xdfa1e2ed, 0x83f0579d, 0x63ed86b9, 0x1ab6a6b8,
375 0xde5ebe39, 0xf38ff732, 0x8989b138,
376 0x33f14961, 0xc01937bd, 0xf506c6da, 0xe4625e7e, 0xa308ea99,
377 0x4e23e33c, 0x79cbd7cc, 0x48a14367,
378 0xa3149619, 0xfec94bd5, 0xa114174a, 0xeaa01866, 0xa084db2d,
379 0x09a8486f, 0xa888614a, 0x2900af98,
380 0x01665991, 0xe1992863, 0xc8f30c60, 0x2e78ef3c, 0xd0d51932,
381 0xcf0fec14, 0xf7ca07d2, 0xd0a82072,
382 0xfd41197e, 0x9305a6b0, 0xe86be3da, 0x74bed3cd, 0x372da53c,
383 0x4c7f4448, 0xdab5d440, 0x6dba0ec3,
384 0x083919a7, 0x9fbaeed9, 0x49dbcfb0, 0x4e670c53, 0x5c3d9c01,
385 0x64bdb941, 0x2c0e636a, 0xba7dd9cd,
386 0xea6f7388, 0xe70bc762, 0x35f29adb, 0x5c4cdd8d, 0xf0d48d8c,
387 0xb88153e2, 0x08a19866, 0x1ae2eac8,
388 0x284caf89, 0xaa928223, 0x9334be53, 0x3b3a21bf, 0x16434be3,
389 0x9aea3906, 0xefe8c36e, 0xf890cdd9,
390 0x80226dae, 0xc340a4a3, 0xdf7e9c09, 0xa694a807, 0x5b7c5ecc,
391 0x221db3a6, 0x9a69a02f, 0x68818a54,
392 0xceb2296f, 0x53c0843a, 0xfe893655, 0x25bfe68a, 0xb4628abc,
393 0xcf222ebf, 0x25ac6f48, 0xa9a99387,
394 0x53bddb65, 0xe76ffbe7, 0xe967fd78, 0x0ba93563, 0x8e342bc1,
395 0xe8a11be9, 0x4980740d, 0xc8087dfc,
396 0x8de4bf99, 0xa11101a0, 0x7fd37975, 0xda5a26c0, 0xe81f994f,
397 0x9528cd89, 0xfd339fed, 0xb87834bf,
398 0x5f04456d, 0x22258698, 0xc9c4c83b, 0x2dc156be, 0x4f628daa,
399 0x57f55ec5, 0xe2220abe, 0xd2916ebf,
400 0x4ec75b95, 0x24f2c3c0, 0x42d15d99, 0xcd0d7fa0, 0x7b6e27ff,
401 0xa8dc8af0, 0x7345c106, 0xf41e232f,
402 0x35162386, 0xe6ea8926, 0x3333b094, 0x157ec6f2, 0x372b74af,
403 0x692573e4, 0xe9a9d848, 0xf3160289,
404 0x3a62ef1d, 0xa787e238, 0xf3a5f676, 0x74364853, 0x20951063,
405 0x4576698d, 0xb6fad407, 0x592af950,
406 0x36f73523, 0x4cfb6e87, 0x7da4cec0, 0x6c152daa, 0xcb0396a8,
407 0xc50dfe5d, 0xfcd707ab, 0x0921c42f,
408 0x89dff0bb, 0x5fe2be78, 0x448f4f33, 0x754613c9, 0x2b05d08d,
409 0x48b9d585, 0xdc049441, 0xc8098f9b,
410 0x7dede786, 0xc39a3373, 0x42410005, 0x6a091751, 0x0ef3c8a6,
411 0x890072d6, 0x28207682, 0xa9a9f7be,
412 0xbf32679d, 0xd45b5b75, 0xb353fd00, 0xcbb0e358, 0x830f220a,
413 0x1f8fb214, 0xd372cf08, 0xcc3c4a13,
414 0x8cf63166, 0x061c87be, 0x88c98f88, 0x6062e397, 0x47cf8e7a,
415 0xb6c85283, 0x3cc2acfb, 0x3fc06976,
416 0x4e8f0252, 0x64d8314d, 0xda3870e3, 0x1e665459, 0xc10908f0,
417 0x513021a5, 0x6c5b68b7, 0x822f8aa0,
418 0x3007cd3e, 0x74719eef, 0xdc872681, 0x073340d4, 0x7e432fd9,
419 0x0c5ec241, 0x8809286c, 0xf592d891,
420 0x08a930f6, 0x957ef305, 0xb7fbffbd, 0xc266e96f, 0x6fe4ac98,
421 0xb173ecc0, 0xbc60b42a, 0x953498da,
422 0xfba1ae12, 0x2d4bd736, 0x0f25faab, 0xa4f3fceb, 0xe2969123,
423 0x257f0c3d, 0x9348af49, 0x361400bc,
424 0xe8816f4a, 0x3814f200, 0xa3f94043, 0x9c7a54c2, 0xbc704f57,
425 0xda41e7f9, 0xc25ad33a, 0x54f4a084,
426 0xb17f5505, 0x59357cbe, 0xedbd15c8, 0x7f97c5ab, 0xba5ac7b5,
427 0xb6f6deaf, 0x3a479c3a, 0x5302da25,
428 0x653d7e6a, 0x54268d49, 0x51a477ea, 0x5017d55b, 0xd7d25d88,
429 0x44136c76, 0x0404a8c8, 0xb8e5a121,
430 0xb81a928a, 0x60ed5869, 0x97c55b96, 0xeaec991b, 0x29935913,
431 0x01fdb7f1, 0x088e8dfa, 0x9ab6f6f5,
432 0x3b4cbf9f, 0x4a5de3ab, 0xe6051d35, 0xa0e1d855, 0xd36b4cf1,
433 0xf544edeb, 0xb0e93524, 0xbebb8fbd,
434 0xa2d762cf, 0x49c92f54, 0x38b5f331, 0x7128a454, 0x48392905,
435 0xa65b1db8, 0x851c97bd, 0xd675cf2f
436};
437static const u32 s7[256] = {
438 0x85e04019, 0x332bf567, 0x662dbfff, 0xcfc65693, 0x2a8d7f6f,
439 0xab9bc912, 0xde6008a1, 0x2028da1f,
440 0x0227bce7, 0x4d642916, 0x18fac300, 0x50f18b82, 0x2cb2cb11,
441 0xb232e75c, 0x4b3695f2, 0xb28707de,
442 0xa05fbcf6, 0xcd4181e9, 0xe150210c, 0xe24ef1bd, 0xb168c381,
443 0xfde4e789, 0x5c79b0d8, 0x1e8bfd43,
444 0x4d495001, 0x38be4341, 0x913cee1d, 0x92a79c3f, 0x089766be,
445 0xbaeeadf4, 0x1286becf, 0xb6eacb19,
446 0x2660c200, 0x7565bde4, 0x64241f7a, 0x8248dca9, 0xc3b3ad66,
447 0x28136086, 0x0bd8dfa8, 0x356d1cf2,
448 0x107789be, 0xb3b2e9ce, 0x0502aa8f, 0x0bc0351e, 0x166bf52a,
449 0xeb12ff82, 0xe3486911, 0xd34d7516,
450 0x4e7b3aff, 0x5f43671b, 0x9cf6e037, 0x4981ac83, 0x334266ce,
451 0x8c9341b7, 0xd0d854c0, 0xcb3a6c88,
452 0x47bc2829, 0x4725ba37, 0xa66ad22b, 0x7ad61f1e, 0x0c5cbafa,
453 0x4437f107, 0xb6e79962, 0x42d2d816,
454 0x0a961288, 0xe1a5c06e, 0x13749e67, 0x72fc081a, 0xb1d139f7,
455 0xf9583745, 0xcf19df58, 0xbec3f756,
456 0xc06eba30, 0x07211b24, 0x45c28829, 0xc95e317f, 0xbc8ec511,
457 0x38bc46e9, 0xc6e6fa14, 0xbae8584a,
458 0xad4ebc46, 0x468f508b, 0x7829435f, 0xf124183b, 0x821dba9f,
459 0xaff60ff4, 0xea2c4e6d, 0x16e39264,
460 0x92544a8b, 0x009b4fc3, 0xaba68ced, 0x9ac96f78, 0x06a5b79a,
461 0xb2856e6e, 0x1aec3ca9, 0xbe838688,
462 0x0e0804e9, 0x55f1be56, 0xe7e5363b, 0xb3a1f25d, 0xf7debb85,
463 0x61fe033c, 0x16746233, 0x3c034c28,
464 0xda6d0c74, 0x79aac56c, 0x3ce4e1ad, 0x51f0c802, 0x98f8f35a,
465 0x1626a49f, 0xeed82b29, 0x1d382fe3,
466 0x0c4fb99a, 0xbb325778, 0x3ec6d97b, 0x6e77a6a9, 0xcb658b5c,
467 0xd45230c7, 0x2bd1408b, 0x60c03eb7,
468 0xb9068d78, 0xa33754f4, 0xf430c87d, 0xc8a71302, 0xb96d8c32,
469 0xebd4e7be, 0xbe8b9d2d, 0x7979fb06,
470 0xe7225308, 0x8b75cf77, 0x11ef8da4, 0xe083c858, 0x8d6b786f,
471 0x5a6317a6, 0xfa5cf7a0, 0x5dda0033,
472 0xf28ebfb0, 0xf5b9c310, 0xa0eac280, 0x08b9767a, 0xa3d9d2b0,
473 0x79d34217, 0x021a718d, 0x9ac6336a,
474 0x2711fd60, 0x438050e3, 0x069908a8, 0x3d7fedc4, 0x826d2bef,
475 0x4eeb8476, 0x488dcf25, 0x36c9d566,
476 0x28e74e41, 0xc2610aca, 0x3d49a9cf, 0xbae3b9df, 0xb65f8de6,
477 0x92aeaf64, 0x3ac7d5e6, 0x9ea80509,
478 0xf22b017d, 0xa4173f70, 0xdd1e16c3, 0x15e0d7f9, 0x50b1b887,
479 0x2b9f4fd5, 0x625aba82, 0x6a017962,
480 0x2ec01b9c, 0x15488aa9, 0xd716e740, 0x40055a2c, 0x93d29a22,
481 0xe32dbf9a, 0x058745b9, 0x3453dc1e,
482 0xd699296e, 0x496cff6f, 0x1c9f4986, 0xdfe2ed07, 0xb87242d1,
483 0x19de7eae, 0x053e561a, 0x15ad6f8c,
484 0x66626c1c, 0x7154c24c, 0xea082b2a, 0x93eb2939, 0x17dcb0f0,
485 0x58d4f2ae, 0x9ea294fb, 0x52cf564c,
486 0x9883fe66, 0x2ec40581, 0x763953c3, 0x01d6692e, 0xd3a0c108,
487 0xa1e7160e, 0xe4f2dfa6, 0x693ed285,
488 0x74904698, 0x4c2b0edd, 0x4f757656, 0x5d393378, 0xa132234f,
489 0x3d321c5d, 0xc3f5e194, 0x4b269301,
490 0xc79f022f, 0x3c997e7e, 0x5e4f9504, 0x3ffafbbd, 0x76f7ad0e,
491 0x296693f4, 0x3d1fce6f, 0xc61e45be,
492 0xd3b5ab34, 0xf72bf9b7, 0x1b0434c0, 0x4e72b567, 0x5592a33d,
493 0xb5229301, 0xcfd2a87f, 0x60aeb767,
494 0x1814386b, 0x30bcc33d, 0x38a0c07d, 0xfd1606f2, 0xc363519b,
495 0x589dd390, 0x5479f8e6, 0x1cb8d647,
496 0x97fd61a9, 0xea7759f4, 0x2d57539d, 0x569a58cf, 0xe84e63ad,
497 0x462e1b78, 0x6580f87e, 0xf3817914,
498 0x91da55f4, 0x40a230f3, 0xd1988f35, 0xb6e318d2, 0x3ffa50bc,
499 0x3d40f021, 0xc3c0bdae, 0x4958c24c,
500 0x518f36b2, 0x84b1d370, 0x0fedce83, 0x878ddada, 0xf2a279c7,
501 0x94e01be8, 0x90716f4b, 0x954b8aa3
502};
503static const u32 sb8[256] = {
504 0xe216300d, 0xbbddfffc, 0xa7ebdabd, 0x35648095, 0x7789f8b7,
505 0xe6c1121b, 0x0e241600, 0x052ce8b5,
506 0x11a9cfb0, 0xe5952f11, 0xece7990a, 0x9386d174, 0x2a42931c,
507 0x76e38111, 0xb12def3a, 0x37ddddfc,
508 0xde9adeb1, 0x0a0cc32c, 0xbe197029, 0x84a00940, 0xbb243a0f,
509 0xb4d137cf, 0xb44e79f0, 0x049eedfd,
510 0x0b15a15d, 0x480d3168, 0x8bbbde5a, 0x669ded42, 0xc7ece831,
511 0x3f8f95e7, 0x72df191b, 0x7580330d,
512 0x94074251, 0x5c7dcdfa, 0xabbe6d63, 0xaa402164, 0xb301d40a,
513 0x02e7d1ca, 0x53571dae, 0x7a3182a2,
514 0x12a8ddec, 0xfdaa335d, 0x176f43e8, 0x71fb46d4, 0x38129022,
515 0xce949ad4, 0xb84769ad, 0x965bd862,
516 0x82f3d055, 0x66fb9767, 0x15b80b4e, 0x1d5b47a0, 0x4cfde06f,
517 0xc28ec4b8, 0x57e8726e, 0x647a78fc,
518 0x99865d44, 0x608bd593, 0x6c200e03, 0x39dc5ff6, 0x5d0b00a3,
519 0xae63aff2, 0x7e8bd632, 0x70108c0c,
520 0xbbd35049, 0x2998df04, 0x980cf42a, 0x9b6df491, 0x9e7edd53,
521 0x06918548, 0x58cb7e07, 0x3b74ef2e,
522 0x522fffb1, 0xd24708cc, 0x1c7e27cd, 0xa4eb215b, 0x3cf1d2e2,
523 0x19b47a38, 0x424f7618, 0x35856039,
524 0x9d17dee7, 0x27eb35e6, 0xc9aff67b, 0x36baf5b8, 0x09c467cd,
525 0xc18910b1, 0xe11dbf7b, 0x06cd1af8,
526 0x7170c608, 0x2d5e3354, 0xd4de495a, 0x64c6d006, 0xbcc0c62c,
527 0x3dd00db3, 0x708f8f34, 0x77d51b42,
528 0x264f620f, 0x24b8d2bf, 0x15c1b79e, 0x46a52564, 0xf8d7e54e,
529 0x3e378160, 0x7895cda5, 0x859c15a5,
530 0xe6459788, 0xc37bc75f, 0xdb07ba0c, 0x0676a3ab, 0x7f229b1e,
531 0x31842e7b, 0x24259fd7, 0xf8bef472,
532 0x835ffcb8, 0x6df4c1f2, 0x96f5b195, 0xfd0af0fc, 0xb0fe134c,
533 0xe2506d3d, 0x4f9b12ea, 0xf215f225,
534 0xa223736f, 0x9fb4c428, 0x25d04979, 0x34c713f8, 0xc4618187,
535 0xea7a6e98, 0x7cd16efc, 0x1436876c,
536 0xf1544107, 0xbedeee14, 0x56e9af27, 0xa04aa441, 0x3cf7c899,
537 0x92ecbae6, 0xdd67016d, 0x151682eb,
538 0xa842eedf, 0xfdba60b4, 0xf1907b75, 0x20e3030f, 0x24d8c29e,
539 0xe139673b, 0xefa63fb8, 0x71873054,
540 0xb6f2cf3b, 0x9f326442, 0xcb15a4cc, 0xb01a4504, 0xf1e47d8d,
541 0x844a1be5, 0xbae7dfdc, 0x42cbda70,
542 0xcd7dae0a, 0x57e85b7a, 0xd53f5af6, 0x20cf4d8c, 0xcea4d428,
543 0x79d130a4, 0x3486ebfb, 0x33d3cddc,
544 0x77853b53, 0x37effcb5, 0xc5068778, 0xe580b3e6, 0x4e68b8f4,
545 0xc5c8b37e, 0x0d809ea2, 0x398feb7c,
546 0x132a4f94, 0x43b7950e, 0x2fee7d1c, 0x223613bd, 0xdd06caa2,
547 0x37df932b, 0xc4248289, 0xacf3ebc3,
548 0x5715f6b7, 0xef3478dd, 0xf267616f, 0xc148cbe4, 0x9052815e,
549 0x5e410fab, 0xb48a2465, 0x2eda7fa4,
550 0xe87b40e4, 0xe98ea084, 0x5889e9e1, 0xefd390fc, 0xdd07d35b,
551 0xdb485694, 0x38d7e5b2, 0x57720101,
552 0x730edebc, 0x5b643113, 0x94917e4f, 0x503c2fba, 0x646f1282,
553 0x7523d24a, 0xe0779695, 0xf9c17a8f,
554 0x7a5b2121, 0xd187b896, 0x29263a4d, 0xba510cdf, 0x81f47c9f,
555 0xad1163ed, 0xea7b5965, 0x1a00726e,
556 0x11403092, 0x00da6d77, 0x4a0cdd61, 0xad1f4603, 0x605bdfb0,
557 0x9eedc364, 0x22ebe6a8, 0xcee7d28a,
558 0xa0e736a0, 0x5564a6b9, 0x10853209, 0xc7eb8f37, 0x2de705ca,
559 0x8951570f, 0xdf09822b, 0xbd691a6c,
560 0xaa12e4f2, 0x87451c0f, 0xe0f6a27a, 0x3ada4819, 0x4cf1764f,
561 0x0d771c2b, 0x67cdb156, 0x350d8384,
562 0x5938fa0f, 0x42399ef3, 0x36997b07, 0x0e84093d, 0x4aa93e61,
563 0x8360d87b, 0x1fa98b0c, 0x1149382c,
564 0xe97625a5, 0x0614d1b7, 0x0e25244b, 0x0c768347, 0x589e8d82,
565 0x0d2059d1, 0xa466bb1e, 0xf8da0a82,
566 0x04f19130, 0xba6e4ec0, 0x99265164, 0x1ee7230d, 0x50b2ad80,
567 0xeaee6801, 0x8db2a283, 0xea8bf59e
568};
569
570
571#define rol(n,x) ( ((x) << (n)) | ((x) >> (32-(n))) )
572
573#define F1(D,m,r) ( (I = ((m) + (D))), (I=rol((r),I)), \
574 (((s1[I >> 24] ^ s2[(I>>16)&0xff]) - s3[(I>>8)&0xff]) + s4[I&0xff]) )
575#define F2(D,m,r) ( (I = ((m) ^ (D))), (I=rol((r),I)), \
576 (((s1[I >> 24] - s2[(I>>16)&0xff]) + s3[(I>>8)&0xff]) ^ s4[I&0xff]) )
577#define F3(D,m,r) ( (I = ((m) - (D))), (I=rol((r),I)), \
578 (((s1[I >> 24] + s2[(I>>16)&0xff]) ^ s3[(I>>8)&0xff]) - s4[I&0xff]) )
579
580
581static void cast5_encrypt(void *ctx, u8 * outbuf, const u8 * inbuf)
582{
583 struct cast5_ctx *c = (struct cast5_ctx *) ctx;
584 u32 l, r, t;
585 u32 I;
586 u32 *Km;
587 u8 *Kr;
588
589 Km = c->Km;
590 Kr = c->Kr;
591
592
593
594
595 l = inbuf[0] << 24 | inbuf[1] << 16 | inbuf[2] << 8 | inbuf[3];
596 r = inbuf[4] << 24 | inbuf[5] << 16 | inbuf[6] << 8 | inbuf[7];
597
598
599
600
601
602
603
604
605
606 if (!(c->rr)) {
607 t = l; l = r; r = t ^ F1(r, Km[0], Kr[0]);
608 t = l; l = r; r = t ^ F2(r, Km[1], Kr[1]);
609 t = l; l = r; r = t ^ F3(r, Km[2], Kr[2]);
610 t = l; l = r; r = t ^ F1(r, Km[3], Kr[3]);
611 t = l; l = r; r = t ^ F2(r, Km[4], Kr[4]);
612 t = l; l = r; r = t ^ F3(r, Km[5], Kr[5]);
613 t = l; l = r; r = t ^ F1(r, Km[6], Kr[6]);
614 t = l; l = r; r = t ^ F2(r, Km[7], Kr[7]);
615 t = l; l = r; r = t ^ F3(r, Km[8], Kr[8]);
616 t = l; l = r; r = t ^ F1(r, Km[9], Kr[9]);
617 t = l; l = r; r = t ^ F2(r, Km[10], Kr[10]);
618 t = l; l = r; r = t ^ F3(r, Km[11], Kr[11]);
619 t = l; l = r; r = t ^ F1(r, Km[12], Kr[12]);
620 t = l; l = r; r = t ^ F2(r, Km[13], Kr[13]);
621 t = l; l = r; r = t ^ F3(r, Km[14], Kr[14]);
622 t = l; l = r; r = t ^ F1(r, Km[15], Kr[15]);
623 } else {
624 t = l; l = r; r = t ^ F1(r, Km[0], Kr[0]);
625 t = l; l = r; r = t ^ F2(r, Km[1], Kr[1]);
626 t = l; l = r; r = t ^ F3(r, Km[2], Kr[2]);
627 t = l; l = r; r = t ^ F1(r, Km[3], Kr[3]);
628 t = l; l = r; r = t ^ F2(r, Km[4], Kr[4]);
629 t = l; l = r; r = t ^ F3(r, Km[5], Kr[5]);
630 t = l; l = r; r = t ^ F1(r, Km[6], Kr[6]);
631 t = l; l = r; r = t ^ F2(r, Km[7], Kr[7]);
632 t = l; l = r; r = t ^ F3(r, Km[8], Kr[8]);
633 t = l; l = r; r = t ^ F1(r, Km[9], Kr[9]);
634 t = l; l = r; r = t ^ F2(r, Km[10], Kr[10]);
635 t = l; l = r; r = t ^ F3(r, Km[11], Kr[11]);
636 }
637
638
639
640 outbuf[0] = (r >> 24) & 0xff;
641 outbuf[1] = (r >> 16) & 0xff;
642 outbuf[2] = (r >> 8) & 0xff;
643 outbuf[3] = r & 0xff;
644 outbuf[4] = (l >> 24) & 0xff;
645 outbuf[5] = (l >> 16) & 0xff;
646 outbuf[6] = (l >> 8) & 0xff;
647 outbuf[7] = l & 0xff;
648}
649
650static void cast5_decrypt(void *ctx, u8 * outbuf, const u8 * inbuf)
651{
652 struct cast5_ctx *c = (struct cast5_ctx *) ctx;
653 u32 l, r, t;
654 u32 I;
655 u32 *Km;
656 u8 *Kr;
657
658 Km = c->Km;
659 Kr = c->Kr;
660
661 l = inbuf[0] << 24 | inbuf[1] << 16 | inbuf[2] << 8 | inbuf[3];
662 r = inbuf[4] << 24 | inbuf[5] << 16 | inbuf[6] << 8 | inbuf[7];
663
664 if (!(c->rr)) {
665 t = l; l = r; r = t ^ F1(r, Km[15], Kr[15]);
666 t = l; l = r; r = t ^ F3(r, Km[14], Kr[14]);
667 t = l; l = r; r = t ^ F2(r, Km[13], Kr[13]);
668 t = l; l = r; r = t ^ F1(r, Km[12], Kr[12]);
669 t = l; l = r; r = t ^ F3(r, Km[11], Kr[11]);
670 t = l; l = r; r = t ^ F2(r, Km[10], Kr[10]);
671 t = l; l = r; r = t ^ F1(r, Km[9], Kr[9]);
672 t = l; l = r; r = t ^ F3(r, Km[8], Kr[8]);
673 t = l; l = r; r = t ^ F2(r, Km[7], Kr[7]);
674 t = l; l = r; r = t ^ F1(r, Km[6], Kr[6]);
675 t = l; l = r; r = t ^ F3(r, Km[5], Kr[5]);
676 t = l; l = r; r = t ^ F2(r, Km[4], Kr[4]);
677 t = l; l = r; r = t ^ F1(r, Km[3], Kr[3]);
678 t = l; l = r; r = t ^ F3(r, Km[2], Kr[2]);
679 t = l; l = r; r = t ^ F2(r, Km[1], Kr[1]);
680 t = l; l = r; r = t ^ F1(r, Km[0], Kr[0]);
681 } else {
682 t = l; l = r; r = t ^ F3(r, Km[11], Kr[11]);
683 t = l; l = r; r = t ^ F2(r, Km[10], Kr[10]);
684 t = l; l = r; r = t ^ F1(r, Km[9], Kr[9]);
685 t = l; l = r; r = t ^ F3(r, Km[8], Kr[8]);
686 t = l; l = r; r = t ^ F2(r, Km[7], Kr[7]);
687 t = l; l = r; r = t ^ F1(r, Km[6], Kr[6]);
688 t = l; l = r; r = t ^ F3(r, Km[5], Kr[5]);
689 t = l; l = r; r = t ^ F2(r, Km[4], Kr[4]);
690 t = l; l = r; r = t ^ F1(r, Km[3], Kr[3]);
691 t = l; l = r; r = t ^ F3(r, Km[2], Kr[2]);
692 t = l; l = r; r = t ^ F2(r, Km[1], Kr[1]);
693 t = l; l = r; r = t ^ F1(r, Km[0], Kr[0]);
694 }
695
696 outbuf[0] = (r >> 24) & 0xff;
697 outbuf[1] = (r >> 16) & 0xff;
698 outbuf[2] = (r >> 8) & 0xff;
699 outbuf[3] = r & 0xff;
700 outbuf[4] = (l >> 24) & 0xff;
701 outbuf[5] = (l >> 16) & 0xff;
702 outbuf[6] = (l >> 8) & 0xff;
703 outbuf[7] = l & 0xff;
704}
705
706static void key_schedule(u32 * x, u32 * z, u32 * k)
707{
708
709#define xi(i) ((x[(i)/4] >> (8*(3-((i)%4)))) & 0xff)
710#define zi(i) ((z[(i)/4] >> (8*(3-((i)%4)))) & 0xff)
711
712 z[0] = x[0] ^ s5[xi(13)] ^ s6[xi(15)] ^ s7[xi(12)] ^ sb8[xi(14)] ^
713 s7[xi(8)];
714 z[1] = x[2] ^ s5[zi(0)] ^ s6[zi(2)] ^ s7[zi(1)] ^ sb8[zi(3)] ^
715 sb8[xi(10)];
716 z[2] = x[3] ^ s5[zi(7)] ^ s6[zi(6)] ^ s7[zi(5)] ^ sb8[zi(4)] ^
717 s5[xi(9)];
718 z[3] = x[1] ^ s5[zi(10)] ^ s6[zi(9)] ^ s7[zi(11)] ^ sb8[zi(8)] ^
719 s6[xi(11)];
720 k[0] = s5[zi(8)] ^ s6[zi(9)] ^ s7[zi(7)] ^ sb8[zi(6)] ^ s5[zi(2)];
721 k[1] = s5[zi(10)] ^ s6[zi(11)] ^ s7[zi(5)] ^ sb8[zi(4)] ^
722 s6[zi(6)];
723 k[2] = s5[zi(12)] ^ s6[zi(13)] ^ s7[zi(3)] ^ sb8[zi(2)] ^
724 s7[zi(9)];
725 k[3] = s5[zi(14)] ^ s6[zi(15)] ^ s7[zi(1)] ^ sb8[zi(0)] ^
726 sb8[zi(12)];
727
728 x[0] = z[2] ^ s5[zi(5)] ^ s6[zi(7)] ^ s7[zi(4)] ^ sb8[zi(6)] ^
729 s7[zi(0)];
730 x[1] = z[0] ^ s5[xi(0)] ^ s6[xi(2)] ^ s7[xi(1)] ^ sb8[xi(3)] ^
731 sb8[zi(2)];
732 x[2] = z[1] ^ s5[xi(7)] ^ s6[xi(6)] ^ s7[xi(5)] ^ sb8[xi(4)] ^
733 s5[zi(1)];
734 x[3] = z[3] ^ s5[xi(10)] ^ s6[xi(9)] ^ s7[xi(11)] ^ sb8[xi(8)] ^
735 s6[zi(3)];
736 k[4] = s5[xi(3)] ^ s6[xi(2)] ^ s7[xi(12)] ^ sb8[xi(13)] ^
737 s5[xi(8)];
738 k[5] = s5[xi(1)] ^ s6[xi(0)] ^ s7[xi(14)] ^ sb8[xi(15)] ^
739 s6[xi(13)];
740 k[6] = s5[xi(7)] ^ s6[xi(6)] ^ s7[xi(8)] ^ sb8[xi(9)] ^ s7[xi(3)];
741 k[7] = s5[xi(5)] ^ s6[xi(4)] ^ s7[xi(10)] ^ sb8[xi(11)] ^
742 sb8[xi(7)];
743
744 z[0] = x[0] ^ s5[xi(13)] ^ s6[xi(15)] ^ s7[xi(12)] ^ sb8[xi(14)] ^
745 s7[xi(8)];
746 z[1] = x[2] ^ s5[zi(0)] ^ s6[zi(2)] ^ s7[zi(1)] ^ sb8[zi(3)] ^
747 sb8[xi(10)];
748 z[2] = x[3] ^ s5[zi(7)] ^ s6[zi(6)] ^ s7[zi(5)] ^ sb8[zi(4)] ^
749 s5[xi(9)];
750 z[3] = x[1] ^ s5[zi(10)] ^ s6[zi(9)] ^ s7[zi(11)] ^ sb8[zi(8)] ^
751 s6[xi(11)];
752 k[8] = s5[zi(3)] ^ s6[zi(2)] ^ s7[zi(12)] ^ sb8[zi(13)] ^
753 s5[zi(9)];
754 k[9] = s5[zi(1)] ^ s6[zi(0)] ^ s7[zi(14)] ^ sb8[zi(15)] ^
755 s6[zi(12)];
756 k[10] = s5[zi(7)] ^ s6[zi(6)] ^ s7[zi(8)] ^ sb8[zi(9)] ^ s7[zi(2)];
757 k[11] = s5[zi(5)] ^ s6[zi(4)] ^ s7[zi(10)] ^ sb8[zi(11)] ^
758 sb8[zi(6)];
759
760 x[0] = z[2] ^ s5[zi(5)] ^ s6[zi(7)] ^ s7[zi(4)] ^ sb8[zi(6)] ^
761 s7[zi(0)];
762 x[1] = z[0] ^ s5[xi(0)] ^ s6[xi(2)] ^ s7[xi(1)] ^ sb8[xi(3)] ^
763 sb8[zi(2)];
764 x[2] = z[1] ^ s5[xi(7)] ^ s6[xi(6)] ^ s7[xi(5)] ^ sb8[xi(4)] ^
765 s5[zi(1)];
766 x[3] = z[3] ^ s5[xi(10)] ^ s6[xi(9)] ^ s7[xi(11)] ^ sb8[xi(8)] ^
767 s6[zi(3)];
768 k[12] = s5[xi(8)] ^ s6[xi(9)] ^ s7[xi(7)] ^ sb8[xi(6)] ^ s5[xi(3)];
769 k[13] = s5[xi(10)] ^ s6[xi(11)] ^ s7[xi(5)] ^ sb8[xi(4)] ^
770 s6[xi(7)];
771 k[14] = s5[xi(12)] ^ s6[xi(13)] ^ s7[xi(3)] ^ sb8[xi(2)] ^
772 s7[xi(8)];
773 k[15] = s5[xi(14)] ^ s6[xi(15)] ^ s7[xi(1)] ^ sb8[xi(0)] ^
774 sb8[xi(13)];
775
776#undef xi
777#undef zi
778}
779
780
781static int
782cast5_setkey(void *ctx, const u8 * key, unsigned key_len, u32 * flags)
783{
784 int i;
785 u32 x[4];
786 u32 z[4];
787 u32 k[16];
788 u8 p_key[16];
789 struct cast5_ctx *c = (struct cast5_ctx *) ctx;
790
791 if (key_len < 5 || key_len > 16) {
792 *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
793 return -EINVAL;
794 }
795
796 c->rr = key_len <= 10 ? 1 : 0;
797
798 memset(p_key, 0, 16);
799 memcpy(p_key, key, key_len);
800
801
802 x[0] = p_key[0] << 24 | p_key[1] << 16 | p_key[2] << 8 | p_key[3];
803 x[1] = p_key[4] << 24 | p_key[5] << 16 | p_key[6] << 8 | p_key[7];
804 x[2] =
805 p_key[8] << 24 | p_key[9] << 16 | p_key[10] << 8 | p_key[11];
806 x[3] =
807 p_key[12] << 24 | p_key[13] << 16 | p_key[14] << 8 | p_key[15];
808
809 key_schedule(x, z, k);
810 for (i = 0; i < 16; i++)
811 c->Km[i] = k[i];
812 key_schedule(x, z, k);
813 for (i = 0; i < 16; i++)
814 c->Kr[i] = k[i] & 0x1f;
815 return 0;
816}
817
818static struct crypto_alg alg = {
819 .cra_name = "cast5",
820 .cra_flags = CRYPTO_ALG_TYPE_CIPHER,
821 .cra_blocksize = CAST5_BLOCK_SIZE,
822 .cra_ctxsize = sizeof(struct cast5_ctx),
823 .cra_module = THIS_MODULE,
824 .cra_list = LIST_HEAD_INIT(alg.cra_list),
825 .cra_u = {
826 .cipher = {
827 .cia_min_keysize = CAST5_MIN_KEY_SIZE,
828 .cia_max_keysize = CAST5_MAX_KEY_SIZE,
829 .cia_setkey = cast5_setkey,
830 .cia_encrypt = cast5_encrypt,
831 .cia_decrypt = cast5_decrypt
832 }
833 }
834};
835
836static int __init init(void)
837{
838 return crypto_register_alg(&alg);
839}
840
841static void __exit fini(void)
842{
843 crypto_unregister_alg(&alg);
844}
845
846module_init(init);
847module_exit(fini);
848
849MODULE_LICENSE("GPL");
850MODULE_DESCRIPTION("Cast5 Cipher Algorithm");
851
852
