2 * Blowfish block cipher
3 * Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de>
6 * Implementation advice by David Mazieres <dm@lcs.mit.edu>.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by Niels Provos.
19 * 4. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 #include <sys/cdefs.h>
35 __FBSDID("$FreeBSD$");
38 * This code is derived from section 14.3 and the given source
39 * in section V of Applied Cryptography, second edition.
40 * Blowfish is an unpatented fast block cipher designed by
45 * FreeBSD implementation by Paul Herman <pherman@frenchfries.net>
49 #include <stdio.h> /* used for debugging */
53 #include <sys/types.h>
56 /* Function for Feistel Networks */
58 #define _F(s, x) ((((s)[ (((x)>>24)&0xFF)] \
59 + (s)[0x100 + (((x)>>16)&0xFF)]) \
60 ^ (s)[0x200 + (((x)>> 8)&0xFF)]) \
61 + (s)[0x300 + ( (x) &0xFF)])
63 #define BLFRND(s, p, i, j, n) (i ^= _F(s, j) ^ (p)[n])
66 Blowfish_encipher(blf_ctx *c, u_int32_t *xl, u_int32_t *xr)
70 u_int32_t *s = c->S[0];
77 BLFRND(s, p, Xr, Xl, 1); BLFRND(s, p, Xl, Xr, 2);
78 BLFRND(s, p, Xr, Xl, 3); BLFRND(s, p, Xl, Xr, 4);
79 BLFRND(s, p, Xr, Xl, 5); BLFRND(s, p, Xl, Xr, 6);
80 BLFRND(s, p, Xr, Xl, 7); BLFRND(s, p, Xl, Xr, 8);
81 BLFRND(s, p, Xr, Xl, 9); BLFRND(s, p, Xl, Xr, 10);
82 BLFRND(s, p, Xr, Xl, 11); BLFRND(s, p, Xl, Xr, 12);
83 BLFRND(s, p, Xr, Xl, 13); BLFRND(s, p, Xl, Xr, 14);
84 BLFRND(s, p, Xr, Xl, 15); BLFRND(s, p, Xl, Xr, 16);
91 Blowfish_decipher(blf_ctx *c, u_int32_t *xl, u_int32_t *xr)
95 u_int32_t *s = c->S[0];
102 BLFRND(s, p, Xr, Xl, 16); BLFRND(s, p, Xl, Xr, 15);
103 BLFRND(s, p, Xr, Xl, 14); BLFRND(s, p, Xl, Xr, 13);
104 BLFRND(s, p, Xr, Xl, 12); BLFRND(s, p, Xl, Xr, 11);
105 BLFRND(s, p, Xr, Xl, 10); BLFRND(s, p, Xl, Xr, 9);
106 BLFRND(s, p, Xr, Xl, 8); BLFRND(s, p, Xl, Xr, 7);
107 BLFRND(s, p, Xr, Xl, 6); BLFRND(s, p, Xl, Xr, 5);
108 BLFRND(s, p, Xr, Xl, 4); BLFRND(s, p, Xl, Xr, 3);
109 BLFRND(s, p, Xr, Xl, 2); BLFRND(s, p, Xl, Xr, 1);
116 Blowfish_initstate(blf_ctx *c)
119 /* P-box and S-box tables initialized with digits of Pi */
121 const blf_ctx initstate =
125 0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, 0xd01adfb7,
126 0xb8e1afed, 0x6a267e96, 0xba7c9045, 0xf12c7f99,
127 0x24a19947, 0xb3916cf7, 0x0801f2e2, 0x858efc16,
128 0x636920d8, 0x71574e69, 0xa458fea3, 0xf4933d7e,
129 0x0d95748f, 0x728eb658, 0x718bcd58, 0x82154aee,
130 0x7b54a41d, 0xc25a59b5, 0x9c30d539, 0x2af26013,
131 0xc5d1b023, 0x286085f0, 0xca417918, 0xb8db38ef,
132 0x8e79dcb0, 0x603a180e, 0x6c9e0e8b, 0xb01e8a3e,
133 0xd71577c1, 0xbd314b27, 0x78af2fda, 0x55605c60,
134 0xe65525f3, 0xaa55ab94, 0x57489862, 0x63e81440,
135 0x55ca396a, 0x2aab10b6, 0xb4cc5c34, 0x1141e8ce,
136 0xa15486af, 0x7c72e993, 0xb3ee1411, 0x636fbc2a,
137 0x2ba9c55d, 0x741831f6, 0xce5c3e16, 0x9b87931e,
138 0xafd6ba33, 0x6c24cf5c, 0x7a325381, 0x28958677,
139 0x3b8f4898, 0x6b4bb9af, 0xc4bfe81b, 0x66282193,
140 0x61d809cc, 0xfb21a991, 0x487cac60, 0x5dec8032,
141 0xef845d5d, 0xe98575b1, 0xdc262302, 0xeb651b88,
142 0x23893e81, 0xd396acc5, 0x0f6d6ff3, 0x83f44239,
143 0x2e0b4482, 0xa4842004, 0x69c8f04a, 0x9e1f9b5e,
144 0x21c66842, 0xf6e96c9a, 0x670c9c61, 0xabd388f0,
145 0x6a51a0d2, 0xd8542f68, 0x960fa728, 0xab5133a3,
146 0x6eef0b6c, 0x137a3be4, 0xba3bf050, 0x7efb2a98,
147 0xa1f1651d, 0x39af0176, 0x66ca593e, 0x82430e88,
148 0x8cee8619, 0x456f9fb4, 0x7d84a5c3, 0x3b8b5ebe,
149 0xe06f75d8, 0x85c12073, 0x401a449f, 0x56c16aa6,
150 0x4ed3aa62, 0x363f7706, 0x1bfedf72, 0x429b023d,
151 0x37d0d724, 0xd00a1248, 0xdb0fead3, 0x49f1c09b,
152 0x075372c9, 0x80991b7b, 0x25d479d8, 0xf6e8def7,
153 0xe3fe501a, 0xb6794c3b, 0x976ce0bd, 0x04c006ba,
154 0xc1a94fb6, 0x409f60c4, 0x5e5c9ec2, 0x196a2463,
155 0x68fb6faf, 0x3e6c53b5, 0x1339b2eb, 0x3b52ec6f,
156 0x6dfc511f, 0x9b30952c, 0xcc814544, 0xaf5ebd09,
157 0xbee3d004, 0xde334afd, 0x660f2807, 0x192e4bb3,
158 0xc0cba857, 0x45c8740f, 0xd20b5f39, 0xb9d3fbdb,
159 0x5579c0bd, 0x1a60320a, 0xd6a100c6, 0x402c7279,
160 0x679f25fe, 0xfb1fa3cc, 0x8ea5e9f8, 0xdb3222f8,
161 0x3c7516df, 0xfd616b15, 0x2f501ec8, 0xad0552ab,
162 0x323db5fa, 0xfd238760, 0x53317b48, 0x3e00df82,
163 0x9e5c57bb, 0xca6f8ca0, 0x1a87562e, 0xdf1769db,
164 0xd542a8f6, 0x287effc3, 0xac6732c6, 0x8c4f5573,
165 0x695b27b0, 0xbbca58c8, 0xe1ffa35d, 0xb8f011a0,
166 0x10fa3d98, 0xfd2183b8, 0x4afcb56c, 0x2dd1d35b,
167 0x9a53e479, 0xb6f84565, 0xd28e49bc, 0x4bfb9790,
168 0xe1ddf2da, 0xa4cb7e33, 0x62fb1341, 0xcee4c6e8,
169 0xef20cada, 0x36774c01, 0xd07e9efe, 0x2bf11fb4,
170 0x95dbda4d, 0xae909198, 0xeaad8e71, 0x6b93d5a0,
171 0xd08ed1d0, 0xafc725e0, 0x8e3c5b2f, 0x8e7594b7,
172 0x8ff6e2fb, 0xf2122b64, 0x8888b812, 0x900df01c,
173 0x4fad5ea0, 0x688fc31c, 0xd1cff191, 0xb3a8c1ad,
174 0x2f2f2218, 0xbe0e1777, 0xea752dfe, 0x8b021fa1,
175 0xe5a0cc0f, 0xb56f74e8, 0x18acf3d6, 0xce89e299,
176 0xb4a84fe0, 0xfd13e0b7, 0x7cc43b81, 0xd2ada8d9,
177 0x165fa266, 0x80957705, 0x93cc7314, 0x211a1477,
178 0xe6ad2065, 0x77b5fa86, 0xc75442f5, 0xfb9d35cf,
179 0xebcdaf0c, 0x7b3e89a0, 0xd6411bd3, 0xae1e7e49,
180 0x00250e2d, 0x2071b35e, 0x226800bb, 0x57b8e0af,
181 0x2464369b, 0xf009b91e, 0x5563911d, 0x59dfa6aa,
182 0x78c14389, 0xd95a537f, 0x207d5ba2, 0x02e5b9c5,
183 0x83260376, 0x6295cfa9, 0x11c81968, 0x4e734a41,
184 0xb3472dca, 0x7b14a94a, 0x1b510052, 0x9a532915,
185 0xd60f573f, 0xbc9bc6e4, 0x2b60a476, 0x81e67400,
186 0x08ba6fb5, 0x571be91f, 0xf296ec6b, 0x2a0dd915,
187 0xb6636521, 0xe7b9f9b6, 0xff34052e, 0xc5855664,
188 0x53b02d5d, 0xa99f8fa1, 0x08ba4799, 0x6e85076a},
190 0x4b7a70e9, 0xb5b32944, 0xdb75092e, 0xc4192623,
191 0xad6ea6b0, 0x49a7df7d, 0x9cee60b8, 0x8fedb266,
192 0xecaa8c71, 0x699a17ff, 0x5664526c, 0xc2b19ee1,
193 0x193602a5, 0x75094c29, 0xa0591340, 0xe4183a3e,
194 0x3f54989a, 0x5b429d65, 0x6b8fe4d6, 0x99f73fd6,
195 0xa1d29c07, 0xefe830f5, 0x4d2d38e6, 0xf0255dc1,
196 0x4cdd2086, 0x8470eb26, 0x6382e9c6, 0x021ecc5e,
197 0x09686b3f, 0x3ebaefc9, 0x3c971814, 0x6b6a70a1,
198 0x687f3584, 0x52a0e286, 0xb79c5305, 0xaa500737,
199 0x3e07841c, 0x7fdeae5c, 0x8e7d44ec, 0x5716f2b8,
200 0xb03ada37, 0xf0500c0d, 0xf01c1f04, 0x0200b3ff,
201 0xae0cf51a, 0x3cb574b2, 0x25837a58, 0xdc0921bd,
202 0xd19113f9, 0x7ca92ff6, 0x94324773, 0x22f54701,
203 0x3ae5e581, 0x37c2dadc, 0xc8b57634, 0x9af3dda7,
204 0xa9446146, 0x0fd0030e, 0xecc8c73e, 0xa4751e41,
205 0xe238cd99, 0x3bea0e2f, 0x3280bba1, 0x183eb331,
206 0x4e548b38, 0x4f6db908, 0x6f420d03, 0xf60a04bf,
207 0x2cb81290, 0x24977c79, 0x5679b072, 0xbcaf89af,
208 0xde9a771f, 0xd9930810, 0xb38bae12, 0xdccf3f2e,
209 0x5512721f, 0x2e6b7124, 0x501adde6, 0x9f84cd87,
210 0x7a584718, 0x7408da17, 0xbc9f9abc, 0xe94b7d8c,
211 0xec7aec3a, 0xdb851dfa, 0x63094366, 0xc464c3d2,
212 0xef1c1847, 0x3215d908, 0xdd433b37, 0x24c2ba16,
213 0x12a14d43, 0x2a65c451, 0x50940002, 0x133ae4dd,
214 0x71dff89e, 0x10314e55, 0x81ac77d6, 0x5f11199b,
215 0x043556f1, 0xd7a3c76b, 0x3c11183b, 0x5924a509,
216 0xf28fe6ed, 0x97f1fbfa, 0x9ebabf2c, 0x1e153c6e,
217 0x86e34570, 0xeae96fb1, 0x860e5e0a, 0x5a3e2ab3,
218 0x771fe71c, 0x4e3d06fa, 0x2965dcb9, 0x99e71d0f,
219 0x803e89d6, 0x5266c825, 0x2e4cc978, 0x9c10b36a,
220 0xc6150eba, 0x94e2ea78, 0xa5fc3c53, 0x1e0a2df4,
221 0xf2f74ea7, 0x361d2b3d, 0x1939260f, 0x19c27960,
222 0x5223a708, 0xf71312b6, 0xebadfe6e, 0xeac31f66,
223 0xe3bc4595, 0xa67bc883, 0xb17f37d1, 0x018cff28,
224 0xc332ddef, 0xbe6c5aa5, 0x65582185, 0x68ab9802,
225 0xeecea50f, 0xdb2f953b, 0x2aef7dad, 0x5b6e2f84,
226 0x1521b628, 0x29076170, 0xecdd4775, 0x619f1510,
227 0x13cca830, 0xeb61bd96, 0x0334fe1e, 0xaa0363cf,
228 0xb5735c90, 0x4c70a239, 0xd59e9e0b, 0xcbaade14,
229 0xeecc86bc, 0x60622ca7, 0x9cab5cab, 0xb2f3846e,
230 0x648b1eaf, 0x19bdf0ca, 0xa02369b9, 0x655abb50,
231 0x40685a32, 0x3c2ab4b3, 0x319ee9d5, 0xc021b8f7,
232 0x9b540b19, 0x875fa099, 0x95f7997e, 0x623d7da8,
233 0xf837889a, 0x97e32d77, 0x11ed935f, 0x16681281,
234 0x0e358829, 0xc7e61fd6, 0x96dedfa1, 0x7858ba99,
235 0x57f584a5, 0x1b227263, 0x9b83c3ff, 0x1ac24696,
236 0xcdb30aeb, 0x532e3054, 0x8fd948e4, 0x6dbc3128,
237 0x58ebf2ef, 0x34c6ffea, 0xfe28ed61, 0xee7c3c73,
238 0x5d4a14d9, 0xe864b7e3, 0x42105d14, 0x203e13e0,
239 0x45eee2b6, 0xa3aaabea, 0xdb6c4f15, 0xfacb4fd0,
240 0xc742f442, 0xef6abbb5, 0x654f3b1d, 0x41cd2105,
241 0xd81e799e, 0x86854dc7, 0xe44b476a, 0x3d816250,
242 0xcf62a1f2, 0x5b8d2646, 0xfc8883a0, 0xc1c7b6a3,
243 0x7f1524c3, 0x69cb7492, 0x47848a0b, 0x5692b285,
244 0x095bbf00, 0xad19489d, 0x1462b174, 0x23820e00,
245 0x58428d2a, 0x0c55f5ea, 0x1dadf43e, 0x233f7061,
246 0x3372f092, 0x8d937e41, 0xd65fecf1, 0x6c223bdb,
247 0x7cde3759, 0xcbee7460, 0x4085f2a7, 0xce77326e,
248 0xa6078084, 0x19f8509e, 0xe8efd855, 0x61d99735,
249 0xa969a7aa, 0xc50c06c2, 0x5a04abfc, 0x800bcadc,
250 0x9e447a2e, 0xc3453484, 0xfdd56705, 0x0e1e9ec9,
251 0xdb73dbd3, 0x105588cd, 0x675fda79, 0xe3674340,
252 0xc5c43465, 0x713e38d8, 0x3d28f89e, 0xf16dff20,
253 0x153e21e7, 0x8fb03d4a, 0xe6e39f2b, 0xdb83adf7},
255 0xe93d5a68, 0x948140f7, 0xf64c261c, 0x94692934,
256 0x411520f7, 0x7602d4f7, 0xbcf46b2e, 0xd4a20068,
257 0xd4082471, 0x3320f46a, 0x43b7d4b7, 0x500061af,
258 0x1e39f62e, 0x97244546, 0x14214f74, 0xbf8b8840,
259 0x4d95fc1d, 0x96b591af, 0x70f4ddd3, 0x66a02f45,
260 0xbfbc09ec, 0x03bd9785, 0x7fac6dd0, 0x31cb8504,
261 0x96eb27b3, 0x55fd3941, 0xda2547e6, 0xabca0a9a,
262 0x28507825, 0x530429f4, 0x0a2c86da, 0xe9b66dfb,
263 0x68dc1462, 0xd7486900, 0x680ec0a4, 0x27a18dee,
264 0x4f3ffea2, 0xe887ad8c, 0xb58ce006, 0x7af4d6b6,
265 0xaace1e7c, 0xd3375fec, 0xce78a399, 0x406b2a42,
266 0x20fe9e35, 0xd9f385b9, 0xee39d7ab, 0x3b124e8b,
267 0x1dc9faf7, 0x4b6d1856, 0x26a36631, 0xeae397b2,
268 0x3a6efa74, 0xdd5b4332, 0x6841e7f7, 0xca7820fb,
269 0xfb0af54e, 0xd8feb397, 0x454056ac, 0xba489527,
270 0x55533a3a, 0x20838d87, 0xfe6ba9b7, 0xd096954b,
271 0x55a867bc, 0xa1159a58, 0xcca92963, 0x99e1db33,
272 0xa62a4a56, 0x3f3125f9, 0x5ef47e1c, 0x9029317c,
273 0xfdf8e802, 0x04272f70, 0x80bb155c, 0x05282ce3,
274 0x95c11548, 0xe4c66d22, 0x48c1133f, 0xc70f86dc,
275 0x07f9c9ee, 0x41041f0f, 0x404779a4, 0x5d886e17,
276 0x325f51eb, 0xd59bc0d1, 0xf2bcc18f, 0x41113564,
277 0x257b7834, 0x602a9c60, 0xdff8e8a3, 0x1f636c1b,
278 0x0e12b4c2, 0x02e1329e, 0xaf664fd1, 0xcad18115,
279 0x6b2395e0, 0x333e92e1, 0x3b240b62, 0xeebeb922,
280 0x85b2a20e, 0xe6ba0d99, 0xde720c8c, 0x2da2f728,
281 0xd0127845, 0x95b794fd, 0x647d0862, 0xe7ccf5f0,
282 0x5449a36f, 0x877d48fa, 0xc39dfd27, 0xf33e8d1e,
283 0x0a476341, 0x992eff74, 0x3a6f6eab, 0xf4f8fd37,
284 0xa812dc60, 0xa1ebddf8, 0x991be14c, 0xdb6e6b0d,
285 0xc67b5510, 0x6d672c37, 0x2765d43b, 0xdcd0e804,
286 0xf1290dc7, 0xcc00ffa3, 0xb5390f92, 0x690fed0b,
287 0x667b9ffb, 0xcedb7d9c, 0xa091cf0b, 0xd9155ea3,
288 0xbb132f88, 0x515bad24, 0x7b9479bf, 0x763bd6eb,
289 0x37392eb3, 0xcc115979, 0x8026e297, 0xf42e312d,
290 0x6842ada7, 0xc66a2b3b, 0x12754ccc, 0x782ef11c,
291 0x6a124237, 0xb79251e7, 0x06a1bbe6, 0x4bfb6350,
292 0x1a6b1018, 0x11caedfa, 0x3d25bdd8, 0xe2e1c3c9,
293 0x44421659, 0x0a121386, 0xd90cec6e, 0xd5abea2a,
294 0x64af674e, 0xda86a85f, 0xbebfe988, 0x64e4c3fe,
295 0x9dbc8057, 0xf0f7c086, 0x60787bf8, 0x6003604d,
296 0xd1fd8346, 0xf6381fb0, 0x7745ae04, 0xd736fccc,
297 0x83426b33, 0xf01eab71, 0xb0804187, 0x3c005e5f,
298 0x77a057be, 0xbde8ae24, 0x55464299, 0xbf582e61,
299 0x4e58f48f, 0xf2ddfda2, 0xf474ef38, 0x8789bdc2,
300 0x5366f9c3, 0xc8b38e74, 0xb475f255, 0x46fcd9b9,
301 0x7aeb2661, 0x8b1ddf84, 0x846a0e79, 0x915f95e2,
302 0x466e598e, 0x20b45770, 0x8cd55591, 0xc902de4c,
303 0xb90bace1, 0xbb8205d0, 0x11a86248, 0x7574a99e,
304 0xb77f19b6, 0xe0a9dc09, 0x662d09a1, 0xc4324633,
305 0xe85a1f02, 0x09f0be8c, 0x4a99a025, 0x1d6efe10,
306 0x1ab93d1d, 0x0ba5a4df, 0xa186f20f, 0x2868f169,
307 0xdcb7da83, 0x573906fe, 0xa1e2ce9b, 0x4fcd7f52,
308 0x50115e01, 0xa70683fa, 0xa002b5c4, 0x0de6d027,
309 0x9af88c27, 0x773f8641, 0xc3604c06, 0x61a806b5,
310 0xf0177a28, 0xc0f586e0, 0x006058aa, 0x30dc7d62,
311 0x11e69ed7, 0x2338ea63, 0x53c2dd94, 0xc2c21634,
312 0xbbcbee56, 0x90bcb6de, 0xebfc7da1, 0xce591d76,
313 0x6f05e409, 0x4b7c0188, 0x39720a3d, 0x7c927c24,
314 0x86e3725f, 0x724d9db9, 0x1ac15bb4, 0xd39eb8fc,
315 0xed545578, 0x08fca5b5, 0xd83d7cd3, 0x4dad0fc4,
316 0x1e50ef5e, 0xb161e6f8, 0xa28514d9, 0x6c51133c,
317 0x6fd5c7e7, 0x56e14ec4, 0x362abfce, 0xddc6c837,
318 0xd79a3234, 0x92638212, 0x670efa8e, 0x406000e0},
320 0x3a39ce37, 0xd3faf5cf, 0xabc27737, 0x5ac52d1b,
321 0x5cb0679e, 0x4fa33742, 0xd3822740, 0x99bc9bbe,
322 0xd5118e9d, 0xbf0f7315, 0xd62d1c7e, 0xc700c47b,
323 0xb78c1b6b, 0x21a19045, 0xb26eb1be, 0x6a366eb4,
324 0x5748ab2f, 0xbc946e79, 0xc6a376d2, 0x6549c2c8,
325 0x530ff8ee, 0x468dde7d, 0xd5730a1d, 0x4cd04dc6,
326 0x2939bbdb, 0xa9ba4650, 0xac9526e8, 0xbe5ee304,
327 0xa1fad5f0, 0x6a2d519a, 0x63ef8ce2, 0x9a86ee22,
328 0xc089c2b8, 0x43242ef6, 0xa51e03aa, 0x9cf2d0a4,
329 0x83c061ba, 0x9be96a4d, 0x8fe51550, 0xba645bd6,
330 0x2826a2f9, 0xa73a3ae1, 0x4ba99586, 0xef5562e9,
331 0xc72fefd3, 0xf752f7da, 0x3f046f69, 0x77fa0a59,
332 0x80e4a915, 0x87b08601, 0x9b09e6ad, 0x3b3ee593,
333 0xe990fd5a, 0x9e34d797, 0x2cf0b7d9, 0x022b8b51,
334 0x96d5ac3a, 0x017da67d, 0xd1cf3ed6, 0x7c7d2d28,
335 0x1f9f25cf, 0xadf2b89b, 0x5ad6b472, 0x5a88f54c,
336 0xe029ac71, 0xe019a5e6, 0x47b0acfd, 0xed93fa9b,
337 0xe8d3c48d, 0x283b57cc, 0xf8d56629, 0x79132e28,
338 0x785f0191, 0xed756055, 0xf7960e44, 0xe3d35e8c,
339 0x15056dd4, 0x88f46dba, 0x03a16125, 0x0564f0bd,
340 0xc3eb9e15, 0x3c9057a2, 0x97271aec, 0xa93a072a,
341 0x1b3f6d9b, 0x1e6321f5, 0xf59c66fb, 0x26dcf319,
342 0x7533d928, 0xb155fdf5, 0x03563482, 0x8aba3cbb,
343 0x28517711, 0xc20ad9f8, 0xabcc5167, 0xccad925f,
344 0x4de81751, 0x3830dc8e, 0x379d5862, 0x9320f991,
345 0xea7a90c2, 0xfb3e7bce, 0x5121ce64, 0x774fbe32,
346 0xa8b6e37e, 0xc3293d46, 0x48de5369, 0x6413e680,
347 0xa2ae0810, 0xdd6db224, 0x69852dfd, 0x09072166,
348 0xb39a460a, 0x6445c0dd, 0x586cdecf, 0x1c20c8ae,
349 0x5bbef7dd, 0x1b588d40, 0xccd2017f, 0x6bb4e3bb,
350 0xdda26a7e, 0x3a59ff45, 0x3e350a44, 0xbcb4cdd5,
351 0x72eacea8, 0xfa6484bb, 0x8d6612ae, 0xbf3c6f47,
352 0xd29be463, 0x542f5d9e, 0xaec2771b, 0xf64e6370,
353 0x740e0d8d, 0xe75b1357, 0xf8721671, 0xaf537d5d,
354 0x4040cb08, 0x4eb4e2cc, 0x34d2466a, 0x0115af84,
355 0xe1b00428, 0x95983a1d, 0x06b89fb4, 0xce6ea048,
356 0x6f3f3b82, 0x3520ab82, 0x011a1d4b, 0x277227f8,
357 0x611560b1, 0xe7933fdc, 0xbb3a792b, 0x344525bd,
358 0xa08839e1, 0x51ce794b, 0x2f32c9b7, 0xa01fbac9,
359 0xe01cc87e, 0xbcc7d1f6, 0xcf0111c3, 0xa1e8aac7,
360 0x1a908749, 0xd44fbd9a, 0xd0dadecb, 0xd50ada38,
361 0x0339c32a, 0xc6913667, 0x8df9317c, 0xe0b12b4f,
362 0xf79e59b7, 0x43f5bb3a, 0xf2d519ff, 0x27d9459c,
363 0xbf97222c, 0x15e6fc2a, 0x0f91fc71, 0x9b941525,
364 0xfae59361, 0xceb69ceb, 0xc2a86459, 0x12baa8d1,
365 0xb6c1075e, 0xe3056a0c, 0x10d25065, 0xcb03a442,
366 0xe0ec6e0e, 0x1698db3b, 0x4c98a0be, 0x3278e964,
367 0x9f1f9532, 0xe0d392df, 0xd3a0342b, 0x8971f21e,
368 0x1b0a7441, 0x4ba3348c, 0xc5be7120, 0xc37632d8,
369 0xdf359f8d, 0x9b992f2e, 0xe60b6f47, 0x0fe3f11d,
370 0xe54cda54, 0x1edad891, 0xce6279cf, 0xcd3e7e6f,
371 0x1618b166, 0xfd2c1d05, 0x848fd2c5, 0xf6fb2299,
372 0xf523f357, 0xa6327623, 0x93a83531, 0x56cccd02,
373 0xacf08162, 0x5a75ebb5, 0x6e163697, 0x88d273cc,
374 0xde966292, 0x81b949d0, 0x4c50901b, 0x71c65614,
375 0xe6c6c7bd, 0x327a140a, 0x45e1d006, 0xc3f27b9a,
376 0xc9aa53fd, 0x62a80f00, 0xbb25bfe2, 0x35bdd2f6,
377 0x71126905, 0xb2040222, 0xb6cbcf7c, 0xcd769c2b,
378 0x53113ec0, 0x1640e3d3, 0x38abbd60, 0x2547adf0,
379 0xba38209c, 0xf746ce76, 0x77afa1c5, 0x20756060,
380 0x85cbfe4e, 0x8ae88dd8, 0x7aaaf9b0, 0x4cf9aa7e,
381 0x1948c25c, 0x02fb8a8c, 0x01c36ae4, 0xd6ebe1f9,
382 0x90d4f869, 0xa65cdea0, 0x3f09252d, 0xc208e69f,
383 0xb74e6132, 0xce77e25b, 0x578fdfe3, 0x3ac372e6}
386 0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344,
387 0xa4093822, 0x299f31d0, 0x082efa98, 0xec4e6c89,
388 0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c,
389 0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917,
390 0x9216d5d9, 0x8979fb1b
398 Blowfish_stream2word(const u_int8_t *data, u_int16_t databytes,
408 for (i = 0; i < 4; i++, j++) {
411 temp = (temp << 8) | data[j];
419 Blowfish_expand0state(blf_ctx *c, const u_int8_t *key, u_int16_t keybytes)
429 for (i = 0; i < BLF_N + 2; i++) {
430 /* Extract 4 int8 to 1 int32 from keystream */
431 temp = Blowfish_stream2word(key, keybytes, &j);
432 c->P[i] = c->P[i] ^ temp;
438 for (i = 0; i < BLF_N + 2; i += 2) {
439 Blowfish_encipher(c, &datal, &datar);
445 for (i = 0; i < 4; i++) {
446 for (k = 0; k < 256; k += 2) {
447 Blowfish_encipher(c, &datal, &datar);
450 c->S[i][k + 1] = datar;
457 Blowfish_expandstate(blf_ctx *c, const u_int8_t *data, u_int16_t databytes,
458 const u_int8_t *key, u_int16_t keybytes)
468 for (i = 0; i < BLF_N + 2; i++) {
469 /* Extract 4 int8 to 1 int32 from keystream */
470 temp = Blowfish_stream2word(key, keybytes, &j);
471 c->P[i] = c->P[i] ^ temp;
477 for (i = 0; i < BLF_N + 2; i += 2) {
478 datal ^= Blowfish_stream2word(data, databytes, &j);
479 datar ^= Blowfish_stream2word(data, databytes, &j);
480 Blowfish_encipher(c, &datal, &datar);
486 for (i = 0; i < 4; i++) {
487 for (k = 0; k < 256; k += 2) {
488 datal ^= Blowfish_stream2word(data, databytes, &j);
489 datar ^= Blowfish_stream2word(data, databytes, &j);
490 Blowfish_encipher(c, &datal, &datar);
493 c->S[i][k + 1] = datar;
500 blf_key(blf_ctx *c, const u_int8_t *k, u_int16_t len)
502 /* Initalize S-boxes and subkeys with Pi */
503 Blowfish_initstate(c);
505 /* Transform S-boxes and subkeys with key */
506 Blowfish_expand0state(c, k, len);
510 blf_enc(blf_ctx *c, u_int32_t *data, u_int16_t blocks)
516 for (i = 0; i < blocks; i++) {
517 Blowfish_encipher(c, d, d + 1);
523 blf_dec(blf_ctx *c, u_int32_t *data, u_int16_t blocks)
529 for (i = 0; i < blocks; i++) {
530 Blowfish_decipher(c, d, d + 1);
536 blf_ecb_encrypt(blf_ctx *c, u_int8_t *data, u_int32_t len)
541 for (i = 0; i < len; i += 8) {
542 l = data[0] << 24 | data[1] << 16 | data[2] << 8 | data[3];
543 r = data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7];
544 Blowfish_encipher(c, &l, &r);
545 data[0] = l >> 24 & 0xff;
546 data[1] = l >> 16 & 0xff;
547 data[2] = l >> 8 & 0xff;
549 data[4] = r >> 24 & 0xff;
550 data[5] = r >> 16 & 0xff;
551 data[6] = r >> 8 & 0xff;
558 blf_ecb_decrypt(blf_ctx *c, u_int8_t *data, u_int32_t len)
563 for (i = 0; i < len; i += 8) {
564 l = data[0] << 24 | data[1] << 16 | data[2] << 8 | data[3];
565 r = data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7];
566 Blowfish_decipher(c, &l, &r);
567 data[0] = l >> 24 & 0xff;
568 data[1] = l >> 16 & 0xff;
569 data[2] = l >> 8 & 0xff;
571 data[4] = r >> 24 & 0xff;
572 data[5] = r >> 16 & 0xff;
573 data[6] = r >> 8 & 0xff;
580 blf_cbc_encrypt(blf_ctx *c, u_int8_t *iv, u_int8_t *data, u_int32_t len)
585 for (i = 0; i < len; i += 8) {
586 for (j = 0; j < 8; j++)
588 l = data[0] << 24 | data[1] << 16 | data[2] << 8 | data[3];
589 r = data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7];
590 Blowfish_encipher(c, &l, &r);
591 data[0] = l >> 24 & 0xff;
592 data[1] = l >> 16 & 0xff;
593 data[2] = l >> 8 & 0xff;
595 data[4] = r >> 24 & 0xff;
596 data[5] = r >> 16 & 0xff;
597 data[6] = r >> 8 & 0xff;
605 blf_cbc_decrypt(blf_ctx *c, u_int8_t *iva, u_int8_t *data, u_int32_t len)
611 iv = data + len - 16;
612 data = data + len - 8;
613 for (i = len - 8; i >= 8; i -= 8) {
614 l = data[0] << 24 | data[1] << 16 | data[2] << 8 | data[3];
615 r = data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7];
616 Blowfish_decipher(c, &l, &r);
617 data[0] = l >> 24 & 0xff;
618 data[1] = l >> 16 & 0xff;
619 data[2] = l >> 8 & 0xff;
621 data[4] = r >> 24 & 0xff;
622 data[5] = r >> 16 & 0xff;
623 data[6] = r >> 8 & 0xff;
625 for (j = 0; j < 8; j++)
630 l = data[0] << 24 | data[1] << 16 | data[2] << 8 | data[3];
631 r = data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7];
632 Blowfish_decipher(c, &l, &r);
633 data[0] = l >> 24 & 0xff;
634 data[1] = l >> 16 & 0xff;
635 data[2] = l >> 8 & 0xff;
637 data[4] = r >> 24 & 0xff;
638 data[5] = r >> 16 & 0xff;
639 data[6] = r >> 8 & 0xff;
641 for (j = 0; j < 8; j++)
647 report(u_int32_t data[], u_int16_t len)
650 for (i = 0; i < len; i += 2)
651 printf("Block %0hd: %08lx %08lx.\n",
652 i / 2, data[i], data[i + 1]);
659 char key[] = "AAAAA";
660 char key2[] = "abcdefghijklmnopqrstuvwxyz";
664 {0x424c4f57L, 0x46495348L};
669 for (i = 0; i < 10; i++)
672 blf_key(&c, (u_int8_t *) key, 5);
673 blf_enc(&c, data, 5);
674 blf_dec(&c, data, 1);
675 blf_dec(&c, data + 2, 4);
676 printf("Should read as 0 - 9.\n");
680 blf_key(&c, (u_int8_t *) key2, strlen(key2));
681 blf_enc(&c, data2, 1);
682 printf("\nShould read as: 0x324ed0fe 0xf413a203.\n");
684 blf_dec(&c, data2, 1);