This source file includes following definitions.
- Blowfish_encipher
- Blowfish_decipher
- Blowfish_initstate
- Blowfish_stream2word
- Blowfish_expand0state
- Blowfish_expandstate
- blf_key
- blf_enc
- blf_dec
- blf_ecb_encrypt
- blf_ecb_decrypt
- blf_cbc_encrypt
- blf_cbc_decrypt
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43 #include <sys/param.h>
44 #include <sys/systm.h>
45
46 #include <crypto/blf.h>
47
48 #undef inline
49 #ifdef __GNUC__
50 #define inline __inline
51 #else
52 #define inline
53 #endif
54
55
56
57 #define F(s, x) ((((s)[ (((x)>>24)&0xFF)] \
58 + (s)[0x100 + (((x)>>16)&0xFF)]) \
59 ^ (s)[0x200 + (((x)>> 8)&0xFF)]) \
60 + (s)[0x300 + ( (x) &0xFF)])
61
62 #define BLFRND(s,p,i,j,n) (i ^= F(s,j) ^ (p)[n])
63
64 void
65 Blowfish_encipher(blf_ctx *c, u_int32_t *x)
66 {
67 u_int32_t Xl;
68 u_int32_t Xr;
69 u_int32_t *s = c->S[0];
70 u_int32_t *p = c->P;
71
72 Xl = x[0];
73 Xr = x[1];
74
75 Xl ^= p[0];
76 BLFRND(s, p, Xr, Xl, 1); BLFRND(s, p, Xl, Xr, 2);
77 BLFRND(s, p, Xr, Xl, 3); BLFRND(s, p, Xl, Xr, 4);
78 BLFRND(s, p, Xr, Xl, 5); BLFRND(s, p, Xl, Xr, 6);
79 BLFRND(s, p, Xr, Xl, 7); BLFRND(s, p, Xl, Xr, 8);
80 BLFRND(s, p, Xr, Xl, 9); BLFRND(s, p, Xl, Xr, 10);
81 BLFRND(s, p, Xr, Xl, 11); BLFRND(s, p, Xl, Xr, 12);
82 BLFRND(s, p, Xr, Xl, 13); BLFRND(s, p, Xl, Xr, 14);
83 BLFRND(s, p, Xr, Xl, 15); BLFRND(s, p, Xl, Xr, 16);
84
85 x[0] = Xr ^ p[17];
86 x[1] = Xl;
87 }
88
89 void
90 Blowfish_decipher(blf_ctx *c, u_int32_t *x)
91 {
92 u_int32_t Xl;
93 u_int32_t Xr;
94 u_int32_t *s = c->S[0];
95 u_int32_t *p = c->P;
96
97 Xl = x[0];
98 Xr = x[1];
99
100 Xl ^= p[17];
101 BLFRND(s, p, Xr, Xl, 16); BLFRND(s, p, Xl, Xr, 15);
102 BLFRND(s, p, Xr, Xl, 14); BLFRND(s, p, Xl, Xr, 13);
103 BLFRND(s, p, Xr, Xl, 12); BLFRND(s, p, Xl, Xr, 11);
104 BLFRND(s, p, Xr, Xl, 10); BLFRND(s, p, Xl, Xr, 9);
105 BLFRND(s, p, Xr, Xl, 8); BLFRND(s, p, Xl, Xr, 7);
106 BLFRND(s, p, Xr, Xl, 6); BLFRND(s, p, Xl, Xr, 5);
107 BLFRND(s, p, Xr, Xl, 4); BLFRND(s, p, Xl, Xr, 3);
108 BLFRND(s, p, Xr, Xl, 2); BLFRND(s, p, Xl, Xr, 1);
109
110 x[0] = Xr ^ p[0];
111 x[1] = Xl;
112 }
113
114 void
115 Blowfish_initstate(blf_ctx *c)
116 {
117
118
119 static const blf_ctx initstate =
120
121 { {
122 {
123 0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, 0xd01adfb7,
124 0xb8e1afed, 0x6a267e96, 0xba7c9045, 0xf12c7f99,
125 0x24a19947, 0xb3916cf7, 0x0801f2e2, 0x858efc16,
126 0x636920d8, 0x71574e69, 0xa458fea3, 0xf4933d7e,
127 0x0d95748f, 0x728eb658, 0x718bcd58, 0x82154aee,
128 0x7b54a41d, 0xc25a59b5, 0x9c30d539, 0x2af26013,
129 0xc5d1b023, 0x286085f0, 0xca417918, 0xb8db38ef,
130 0x8e79dcb0, 0x603a180e, 0x6c9e0e8b, 0xb01e8a3e,
131 0xd71577c1, 0xbd314b27, 0x78af2fda, 0x55605c60,
132 0xe65525f3, 0xaa55ab94, 0x57489862, 0x63e81440,
133 0x55ca396a, 0x2aab10b6, 0xb4cc5c34, 0x1141e8ce,
134 0xa15486af, 0x7c72e993, 0xb3ee1411, 0x636fbc2a,
135 0x2ba9c55d, 0x741831f6, 0xce5c3e16, 0x9b87931e,
136 0xafd6ba33, 0x6c24cf5c, 0x7a325381, 0x28958677,
137 0x3b8f4898, 0x6b4bb9af, 0xc4bfe81b, 0x66282193,
138 0x61d809cc, 0xfb21a991, 0x487cac60, 0x5dec8032,
139 0xef845d5d, 0xe98575b1, 0xdc262302, 0xeb651b88,
140 0x23893e81, 0xd396acc5, 0x0f6d6ff3, 0x83f44239,
141 0x2e0b4482, 0xa4842004, 0x69c8f04a, 0x9e1f9b5e,
142 0x21c66842, 0xf6e96c9a, 0x670c9c61, 0xabd388f0,
143 0x6a51a0d2, 0xd8542f68, 0x960fa728, 0xab5133a3,
144 0x6eef0b6c, 0x137a3be4, 0xba3bf050, 0x7efb2a98,
145 0xa1f1651d, 0x39af0176, 0x66ca593e, 0x82430e88,
146 0x8cee8619, 0x456f9fb4, 0x7d84a5c3, 0x3b8b5ebe,
147 0xe06f75d8, 0x85c12073, 0x401a449f, 0x56c16aa6,
148 0x4ed3aa62, 0x363f7706, 0x1bfedf72, 0x429b023d,
149 0x37d0d724, 0xd00a1248, 0xdb0fead3, 0x49f1c09b,
150 0x075372c9, 0x80991b7b, 0x25d479d8, 0xf6e8def7,
151 0xe3fe501a, 0xb6794c3b, 0x976ce0bd, 0x04c006ba,
152 0xc1a94fb6, 0x409f60c4, 0x5e5c9ec2, 0x196a2463,
153 0x68fb6faf, 0x3e6c53b5, 0x1339b2eb, 0x3b52ec6f,
154 0x6dfc511f, 0x9b30952c, 0xcc814544, 0xaf5ebd09,
155 0xbee3d004, 0xde334afd, 0x660f2807, 0x192e4bb3,
156 0xc0cba857, 0x45c8740f, 0xd20b5f39, 0xb9d3fbdb,
157 0x5579c0bd, 0x1a60320a, 0xd6a100c6, 0x402c7279,
158 0x679f25fe, 0xfb1fa3cc, 0x8ea5e9f8, 0xdb3222f8,
159 0x3c7516df, 0xfd616b15, 0x2f501ec8, 0xad0552ab,
160 0x323db5fa, 0xfd238760, 0x53317b48, 0x3e00df82,
161 0x9e5c57bb, 0xca6f8ca0, 0x1a87562e, 0xdf1769db,
162 0xd542a8f6, 0x287effc3, 0xac6732c6, 0x8c4f5573,
163 0x695b27b0, 0xbbca58c8, 0xe1ffa35d, 0xb8f011a0,
164 0x10fa3d98, 0xfd2183b8, 0x4afcb56c, 0x2dd1d35b,
165 0x9a53e479, 0xb6f84565, 0xd28e49bc, 0x4bfb9790,
166 0xe1ddf2da, 0xa4cb7e33, 0x62fb1341, 0xcee4c6e8,
167 0xef20cada, 0x36774c01, 0xd07e9efe, 0x2bf11fb4,
168 0x95dbda4d, 0xae909198, 0xeaad8e71, 0x6b93d5a0,
169 0xd08ed1d0, 0xafc725e0, 0x8e3c5b2f, 0x8e7594b7,
170 0x8ff6e2fb, 0xf2122b64, 0x8888b812, 0x900df01c,
171 0x4fad5ea0, 0x688fc31c, 0xd1cff191, 0xb3a8c1ad,
172 0x2f2f2218, 0xbe0e1777, 0xea752dfe, 0x8b021fa1,
173 0xe5a0cc0f, 0xb56f74e8, 0x18acf3d6, 0xce89e299,
174 0xb4a84fe0, 0xfd13e0b7, 0x7cc43b81, 0xd2ada8d9,
175 0x165fa266, 0x80957705, 0x93cc7314, 0x211a1477,
176 0xe6ad2065, 0x77b5fa86, 0xc75442f5, 0xfb9d35cf,
177 0xebcdaf0c, 0x7b3e89a0, 0xd6411bd3, 0xae1e7e49,
178 0x00250e2d, 0x2071b35e, 0x226800bb, 0x57b8e0af,
179 0x2464369b, 0xf009b91e, 0x5563911d, 0x59dfa6aa,
180 0x78c14389, 0xd95a537f, 0x207d5ba2, 0x02e5b9c5,
181 0x83260376, 0x6295cfa9, 0x11c81968, 0x4e734a41,
182 0xb3472dca, 0x7b14a94a, 0x1b510052, 0x9a532915,
183 0xd60f573f, 0xbc9bc6e4, 0x2b60a476, 0x81e67400,
184 0x08ba6fb5, 0x571be91f, 0xf296ec6b, 0x2a0dd915,
185 0xb6636521, 0xe7b9f9b6, 0xff34052e, 0xc5855664,
186 0x53b02d5d, 0xa99f8fa1, 0x08ba4799, 0x6e85076a},
187 {
188 0x4b7a70e9, 0xb5b32944, 0xdb75092e, 0xc4192623,
189 0xad6ea6b0, 0x49a7df7d, 0x9cee60b8, 0x8fedb266,
190 0xecaa8c71, 0x699a17ff, 0x5664526c, 0xc2b19ee1,
191 0x193602a5, 0x75094c29, 0xa0591340, 0xe4183a3e,
192 0x3f54989a, 0x5b429d65, 0x6b8fe4d6, 0x99f73fd6,
193 0xa1d29c07, 0xefe830f5, 0x4d2d38e6, 0xf0255dc1,
194 0x4cdd2086, 0x8470eb26, 0x6382e9c6, 0x021ecc5e,
195 0x09686b3f, 0x3ebaefc9, 0x3c971814, 0x6b6a70a1,
196 0x687f3584, 0x52a0e286, 0xb79c5305, 0xaa500737,
197 0x3e07841c, 0x7fdeae5c, 0x8e7d44ec, 0x5716f2b8,
198 0xb03ada37, 0xf0500c0d, 0xf01c1f04, 0x0200b3ff,
199 0xae0cf51a, 0x3cb574b2, 0x25837a58, 0xdc0921bd,
200 0xd19113f9, 0x7ca92ff6, 0x94324773, 0x22f54701,
201 0x3ae5e581, 0x37c2dadc, 0xc8b57634, 0x9af3dda7,
202 0xa9446146, 0x0fd0030e, 0xecc8c73e, 0xa4751e41,
203 0xe238cd99, 0x3bea0e2f, 0x3280bba1, 0x183eb331,
204 0x4e548b38, 0x4f6db908, 0x6f420d03, 0xf60a04bf,
205 0x2cb81290, 0x24977c79, 0x5679b072, 0xbcaf89af,
206 0xde9a771f, 0xd9930810, 0xb38bae12, 0xdccf3f2e,
207 0x5512721f, 0x2e6b7124, 0x501adde6, 0x9f84cd87,
208 0x7a584718, 0x7408da17, 0xbc9f9abc, 0xe94b7d8c,
209 0xec7aec3a, 0xdb851dfa, 0x63094366, 0xc464c3d2,
210 0xef1c1847, 0x3215d908, 0xdd433b37, 0x24c2ba16,
211 0x12a14d43, 0x2a65c451, 0x50940002, 0x133ae4dd,
212 0x71dff89e, 0x10314e55, 0x81ac77d6, 0x5f11199b,
213 0x043556f1, 0xd7a3c76b, 0x3c11183b, 0x5924a509,
214 0xf28fe6ed, 0x97f1fbfa, 0x9ebabf2c, 0x1e153c6e,
215 0x86e34570, 0xeae96fb1, 0x860e5e0a, 0x5a3e2ab3,
216 0x771fe71c, 0x4e3d06fa, 0x2965dcb9, 0x99e71d0f,
217 0x803e89d6, 0x5266c825, 0x2e4cc978, 0x9c10b36a,
218 0xc6150eba, 0x94e2ea78, 0xa5fc3c53, 0x1e0a2df4,
219 0xf2f74ea7, 0x361d2b3d, 0x1939260f, 0x19c27960,
220 0x5223a708, 0xf71312b6, 0xebadfe6e, 0xeac31f66,
221 0xe3bc4595, 0xa67bc883, 0xb17f37d1, 0x018cff28,
222 0xc332ddef, 0xbe6c5aa5, 0x65582185, 0x68ab9802,
223 0xeecea50f, 0xdb2f953b, 0x2aef7dad, 0x5b6e2f84,
224 0x1521b628, 0x29076170, 0xecdd4775, 0x619f1510,
225 0x13cca830, 0xeb61bd96, 0x0334fe1e, 0xaa0363cf,
226 0xb5735c90, 0x4c70a239, 0xd59e9e0b, 0xcbaade14,
227 0xeecc86bc, 0x60622ca7, 0x9cab5cab, 0xb2f3846e,
228 0x648b1eaf, 0x19bdf0ca, 0xa02369b9, 0x655abb50,
229 0x40685a32, 0x3c2ab4b3, 0x319ee9d5, 0xc021b8f7,
230 0x9b540b19, 0x875fa099, 0x95f7997e, 0x623d7da8,
231 0xf837889a, 0x97e32d77, 0x11ed935f, 0x16681281,
232 0x0e358829, 0xc7e61fd6, 0x96dedfa1, 0x7858ba99,
233 0x57f584a5, 0x1b227263, 0x9b83c3ff, 0x1ac24696,
234 0xcdb30aeb, 0x532e3054, 0x8fd948e4, 0x6dbc3128,
235 0x58ebf2ef, 0x34c6ffea, 0xfe28ed61, 0xee7c3c73,
236 0x5d4a14d9, 0xe864b7e3, 0x42105d14, 0x203e13e0,
237 0x45eee2b6, 0xa3aaabea, 0xdb6c4f15, 0xfacb4fd0,
238 0xc742f442, 0xef6abbb5, 0x654f3b1d, 0x41cd2105,
239 0xd81e799e, 0x86854dc7, 0xe44b476a, 0x3d816250,
240 0xcf62a1f2, 0x5b8d2646, 0xfc8883a0, 0xc1c7b6a3,
241 0x7f1524c3, 0x69cb7492, 0x47848a0b, 0x5692b285,
242 0x095bbf00, 0xad19489d, 0x1462b174, 0x23820e00,
243 0x58428d2a, 0x0c55f5ea, 0x1dadf43e, 0x233f7061,
244 0x3372f092, 0x8d937e41, 0xd65fecf1, 0x6c223bdb,
245 0x7cde3759, 0xcbee7460, 0x4085f2a7, 0xce77326e,
246 0xa6078084, 0x19f8509e, 0xe8efd855, 0x61d99735,
247 0xa969a7aa, 0xc50c06c2, 0x5a04abfc, 0x800bcadc,
248 0x9e447a2e, 0xc3453484, 0xfdd56705, 0x0e1e9ec9,
249 0xdb73dbd3, 0x105588cd, 0x675fda79, 0xe3674340,
250 0xc5c43465, 0x713e38d8, 0x3d28f89e, 0xf16dff20,
251 0x153e21e7, 0x8fb03d4a, 0xe6e39f2b, 0xdb83adf7},
252 {
253 0xe93d5a68, 0x948140f7, 0xf64c261c, 0x94692934,
254 0x411520f7, 0x7602d4f7, 0xbcf46b2e, 0xd4a20068,
255 0xd4082471, 0x3320f46a, 0x43b7d4b7, 0x500061af,
256 0x1e39f62e, 0x97244546, 0x14214f74, 0xbf8b8840,
257 0x4d95fc1d, 0x96b591af, 0x70f4ddd3, 0x66a02f45,
258 0xbfbc09ec, 0x03bd9785, 0x7fac6dd0, 0x31cb8504,
259 0x96eb27b3, 0x55fd3941, 0xda2547e6, 0xabca0a9a,
260 0x28507825, 0x530429f4, 0x0a2c86da, 0xe9b66dfb,
261 0x68dc1462, 0xd7486900, 0x680ec0a4, 0x27a18dee,
262 0x4f3ffea2, 0xe887ad8c, 0xb58ce006, 0x7af4d6b6,
263 0xaace1e7c, 0xd3375fec, 0xce78a399, 0x406b2a42,
264 0x20fe9e35, 0xd9f385b9, 0xee39d7ab, 0x3b124e8b,
265 0x1dc9faf7, 0x4b6d1856, 0x26a36631, 0xeae397b2,
266 0x3a6efa74, 0xdd5b4332, 0x6841e7f7, 0xca7820fb,
267 0xfb0af54e, 0xd8feb397, 0x454056ac, 0xba489527,
268 0x55533a3a, 0x20838d87, 0xfe6ba9b7, 0xd096954b,
269 0x55a867bc, 0xa1159a58, 0xcca92963, 0x99e1db33,
270 0xa62a4a56, 0x3f3125f9, 0x5ef47e1c, 0x9029317c,
271 0xfdf8e802, 0x04272f70, 0x80bb155c, 0x05282ce3,
272 0x95c11548, 0xe4c66d22, 0x48c1133f, 0xc70f86dc,
273 0x07f9c9ee, 0x41041f0f, 0x404779a4, 0x5d886e17,
274 0x325f51eb, 0xd59bc0d1, 0xf2bcc18f, 0x41113564,
275 0x257b7834, 0x602a9c60, 0xdff8e8a3, 0x1f636c1b,
276 0x0e12b4c2, 0x02e1329e, 0xaf664fd1, 0xcad18115,
277 0x6b2395e0, 0x333e92e1, 0x3b240b62, 0xeebeb922,
278 0x85b2a20e, 0xe6ba0d99, 0xde720c8c, 0x2da2f728,
279 0xd0127845, 0x95b794fd, 0x647d0862, 0xe7ccf5f0,
280 0x5449a36f, 0x877d48fa, 0xc39dfd27, 0xf33e8d1e,
281 0x0a476341, 0x992eff74, 0x3a6f6eab, 0xf4f8fd37,
282 0xa812dc60, 0xa1ebddf8, 0x991be14c, 0xdb6e6b0d,
283 0xc67b5510, 0x6d672c37, 0x2765d43b, 0xdcd0e804,
284 0xf1290dc7, 0xcc00ffa3, 0xb5390f92, 0x690fed0b,
285 0x667b9ffb, 0xcedb7d9c, 0xa091cf0b, 0xd9155ea3,
286 0xbb132f88, 0x515bad24, 0x7b9479bf, 0x763bd6eb,
287 0x37392eb3, 0xcc115979, 0x8026e297, 0xf42e312d,
288 0x6842ada7, 0xc66a2b3b, 0x12754ccc, 0x782ef11c,
289 0x6a124237, 0xb79251e7, 0x06a1bbe6, 0x4bfb6350,
290 0x1a6b1018, 0x11caedfa, 0x3d25bdd8, 0xe2e1c3c9,
291 0x44421659, 0x0a121386, 0xd90cec6e, 0xd5abea2a,
292 0x64af674e, 0xda86a85f, 0xbebfe988, 0x64e4c3fe,
293 0x9dbc8057, 0xf0f7c086, 0x60787bf8, 0x6003604d,
294 0xd1fd8346, 0xf6381fb0, 0x7745ae04, 0xd736fccc,
295 0x83426b33, 0xf01eab71, 0xb0804187, 0x3c005e5f,
296 0x77a057be, 0xbde8ae24, 0x55464299, 0xbf582e61,
297 0x4e58f48f, 0xf2ddfda2, 0xf474ef38, 0x8789bdc2,
298 0x5366f9c3, 0xc8b38e74, 0xb475f255, 0x46fcd9b9,
299 0x7aeb2661, 0x8b1ddf84, 0x846a0e79, 0x915f95e2,
300 0x466e598e, 0x20b45770, 0x8cd55591, 0xc902de4c,
301 0xb90bace1, 0xbb8205d0, 0x11a86248, 0x7574a99e,
302 0xb77f19b6, 0xe0a9dc09, 0x662d09a1, 0xc4324633,
303 0xe85a1f02, 0x09f0be8c, 0x4a99a025, 0x1d6efe10,
304 0x1ab93d1d, 0x0ba5a4df, 0xa186f20f, 0x2868f169,
305 0xdcb7da83, 0x573906fe, 0xa1e2ce9b, 0x4fcd7f52,
306 0x50115e01, 0xa70683fa, 0xa002b5c4, 0x0de6d027,
307 0x9af88c27, 0x773f8641, 0xc3604c06, 0x61a806b5,
308 0xf0177a28, 0xc0f586e0, 0x006058aa, 0x30dc7d62,
309 0x11e69ed7, 0x2338ea63, 0x53c2dd94, 0xc2c21634,
310 0xbbcbee56, 0x90bcb6de, 0xebfc7da1, 0xce591d76,
311 0x6f05e409, 0x4b7c0188, 0x39720a3d, 0x7c927c24,
312 0x86e3725f, 0x724d9db9, 0x1ac15bb4, 0xd39eb8fc,
313 0xed545578, 0x08fca5b5, 0xd83d7cd3, 0x4dad0fc4,
314 0x1e50ef5e, 0xb161e6f8, 0xa28514d9, 0x6c51133c,
315 0x6fd5c7e7, 0x56e14ec4, 0x362abfce, 0xddc6c837,
316 0xd79a3234, 0x92638212, 0x670efa8e, 0x406000e0},
317 {
318 0x3a39ce37, 0xd3faf5cf, 0xabc27737, 0x5ac52d1b,
319 0x5cb0679e, 0x4fa33742, 0xd3822740, 0x99bc9bbe,
320 0xd5118e9d, 0xbf0f7315, 0xd62d1c7e, 0xc700c47b,
321 0xb78c1b6b, 0x21a19045, 0xb26eb1be, 0x6a366eb4,
322 0x5748ab2f, 0xbc946e79, 0xc6a376d2, 0x6549c2c8,
323 0x530ff8ee, 0x468dde7d, 0xd5730a1d, 0x4cd04dc6,
324 0x2939bbdb, 0xa9ba4650, 0xac9526e8, 0xbe5ee304,
325 0xa1fad5f0, 0x6a2d519a, 0x63ef8ce2, 0x9a86ee22,
326 0xc089c2b8, 0x43242ef6, 0xa51e03aa, 0x9cf2d0a4,
327 0x83c061ba, 0x9be96a4d, 0x8fe51550, 0xba645bd6,
328 0x2826a2f9, 0xa73a3ae1, 0x4ba99586, 0xef5562e9,
329 0xc72fefd3, 0xf752f7da, 0x3f046f69, 0x77fa0a59,
330 0x80e4a915, 0x87b08601, 0x9b09e6ad, 0x3b3ee593,
331 0xe990fd5a, 0x9e34d797, 0x2cf0b7d9, 0x022b8b51,
332 0x96d5ac3a, 0x017da67d, 0xd1cf3ed6, 0x7c7d2d28,
333 0x1f9f25cf, 0xadf2b89b, 0x5ad6b472, 0x5a88f54c,
334 0xe029ac71, 0xe019a5e6, 0x47b0acfd, 0xed93fa9b,
335 0xe8d3c48d, 0x283b57cc, 0xf8d56629, 0x79132e28,
336 0x785f0191, 0xed756055, 0xf7960e44, 0xe3d35e8c,
337 0x15056dd4, 0x88f46dba, 0x03a16125, 0x0564f0bd,
338 0xc3eb9e15, 0x3c9057a2, 0x97271aec, 0xa93a072a,
339 0x1b3f6d9b, 0x1e6321f5, 0xf59c66fb, 0x26dcf319,
340 0x7533d928, 0xb155fdf5, 0x03563482, 0x8aba3cbb,
341 0x28517711, 0xc20ad9f8, 0xabcc5167, 0xccad925f,
342 0x4de81751, 0x3830dc8e, 0x379d5862, 0x9320f991,
343 0xea7a90c2, 0xfb3e7bce, 0x5121ce64, 0x774fbe32,
344 0xa8b6e37e, 0xc3293d46, 0x48de5369, 0x6413e680,
345 0xa2ae0810, 0xdd6db224, 0x69852dfd, 0x09072166,
346 0xb39a460a, 0x6445c0dd, 0x586cdecf, 0x1c20c8ae,
347 0x5bbef7dd, 0x1b588d40, 0xccd2017f, 0x6bb4e3bb,
348 0xdda26a7e, 0x3a59ff45, 0x3e350a44, 0xbcb4cdd5,
349 0x72eacea8, 0xfa6484bb, 0x8d6612ae, 0xbf3c6f47,
350 0xd29be463, 0x542f5d9e, 0xaec2771b, 0xf64e6370,
351 0x740e0d8d, 0xe75b1357, 0xf8721671, 0xaf537d5d,
352 0x4040cb08, 0x4eb4e2cc, 0x34d2466a, 0x0115af84,
353 0xe1b00428, 0x95983a1d, 0x06b89fb4, 0xce6ea048,
354 0x6f3f3b82, 0x3520ab82, 0x011a1d4b, 0x277227f8,
355 0x611560b1, 0xe7933fdc, 0xbb3a792b, 0x344525bd,
356 0xa08839e1, 0x51ce794b, 0x2f32c9b7, 0xa01fbac9,
357 0xe01cc87e, 0xbcc7d1f6, 0xcf0111c3, 0xa1e8aac7,
358 0x1a908749, 0xd44fbd9a, 0xd0dadecb, 0xd50ada38,
359 0x0339c32a, 0xc6913667, 0x8df9317c, 0xe0b12b4f,
360 0xf79e59b7, 0x43f5bb3a, 0xf2d519ff, 0x27d9459c,
361 0xbf97222c, 0x15e6fc2a, 0x0f91fc71, 0x9b941525,
362 0xfae59361, 0xceb69ceb, 0xc2a86459, 0x12baa8d1,
363 0xb6c1075e, 0xe3056a0c, 0x10d25065, 0xcb03a442,
364 0xe0ec6e0e, 0x1698db3b, 0x4c98a0be, 0x3278e964,
365 0x9f1f9532, 0xe0d392df, 0xd3a0342b, 0x8971f21e,
366 0x1b0a7441, 0x4ba3348c, 0xc5be7120, 0xc37632d8,
367 0xdf359f8d, 0x9b992f2e, 0xe60b6f47, 0x0fe3f11d,
368 0xe54cda54, 0x1edad891, 0xce6279cf, 0xcd3e7e6f,
369 0x1618b166, 0xfd2c1d05, 0x848fd2c5, 0xf6fb2299,
370 0xf523f357, 0xa6327623, 0x93a83531, 0x56cccd02,
371 0xacf08162, 0x5a75ebb5, 0x6e163697, 0x88d273cc,
372 0xde966292, 0x81b949d0, 0x4c50901b, 0x71c65614,
373 0xe6c6c7bd, 0x327a140a, 0x45e1d006, 0xc3f27b9a,
374 0xc9aa53fd, 0x62a80f00, 0xbb25bfe2, 0x35bdd2f6,
375 0x71126905, 0xb2040222, 0xb6cbcf7c, 0xcd769c2b,
376 0x53113ec0, 0x1640e3d3, 0x38abbd60, 0x2547adf0,
377 0xba38209c, 0xf746ce76, 0x77afa1c5, 0x20756060,
378 0x85cbfe4e, 0x8ae88dd8, 0x7aaaf9b0, 0x4cf9aa7e,
379 0x1948c25c, 0x02fb8a8c, 0x01c36ae4, 0xd6ebe1f9,
380 0x90d4f869, 0xa65cdea0, 0x3f09252d, 0xc208e69f,
381 0xb74e6132, 0xce77e25b, 0x578fdfe3, 0x3ac372e6}
382 },
383 {
384 0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344,
385 0xa4093822, 0x299f31d0, 0x082efa98, 0xec4e6c89,
386 0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c,
387 0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917,
388 0x9216d5d9, 0x8979fb1b
389 } };
390
391 *c = initstate;
392 }
393
394 u_int32_t
395 Blowfish_stream2word(const u_int8_t *data, u_int16_t databytes,
396 u_int16_t *current)
397 {
398 u_int8_t i;
399 u_int16_t j;
400 u_int32_t temp;
401
402 temp = 0x00000000;
403 j = *current;
404
405 for (i = 0; i < 4; i++, j++) {
406 if (j >= databytes)
407 j = 0;
408 temp = (temp << 8) | data[j];
409 }
410
411 *current = j;
412 return temp;
413 }
414
415 void
416 Blowfish_expand0state(blf_ctx *c, const u_int8_t *key, u_int16_t keybytes)
417 {
418 u_int16_t i;
419 u_int16_t j;
420 u_int16_t k;
421 u_int32_t temp;
422 u_int32_t data[2];
423
424 j = 0;
425 for (i = 0; i < BLF_N + 2; i++) {
426
427 temp = Blowfish_stream2word(key, keybytes, &j);
428 c->P[i] = c->P[i] ^ temp;
429 }
430
431 j = 0;
432 data[0] = 0x00000000;
433 data[1] = 0x00000000;
434 for (i = 0; i < BLF_N + 2; i += 2) {
435 Blowfish_encipher(c, data);
436
437 c->P[i] = data[0];
438 c->P[i + 1] = data[1];
439 }
440
441 for (i = 0; i < 4; i++) {
442 for (k = 0; k < 256; k += 2) {
443 Blowfish_encipher(c, data);
444
445 c->S[i][k] = data[0];
446 c->S[i][k + 1] = data[1];
447 }
448 }
449 }
450
451
452 void
453 Blowfish_expandstate(blf_ctx *c, const u_int8_t *data, u_int16_t databytes,
454 const u_int8_t *key, u_int16_t keybytes)
455 {
456 u_int16_t i;
457 u_int16_t j;
458 u_int16_t k;
459 u_int32_t temp;
460 u_int32_t d[2];
461
462 j = 0;
463 for (i = 0; i < BLF_N + 2; i++) {
464
465 temp = Blowfish_stream2word(key, keybytes, &j);
466 c->P[i] = c->P[i] ^ temp;
467 }
468
469 j = 0;
470 d[0] = 0x00000000;
471 d[1] = 0x00000000;
472 for (i = 0; i < BLF_N + 2; i += 2) {
473 d[0] ^= Blowfish_stream2word(data, databytes, &j);
474 d[1] ^= Blowfish_stream2word(data, databytes, &j);
475 Blowfish_encipher(c, d);
476
477 c->P[i] = d[0];
478 c->P[i + 1] = d[1];
479 }
480
481 for (i = 0; i < 4; i++) {
482 for (k = 0; k < 256; k += 2) {
483 d[0]^= Blowfish_stream2word(data, databytes, &j);
484 d[1] ^= Blowfish_stream2word(data, databytes, &j);
485 Blowfish_encipher(c, d);
486
487 c->S[i][k] = d[0];
488 c->S[i][k + 1] = d[1];
489 }
490 }
491
492 }
493
494 void
495 blf_key(blf_ctx *c, const u_int8_t *k, u_int16_t len)
496 {
497
498 Blowfish_initstate(c);
499
500
501 Blowfish_expand0state(c, k, len);
502 }
503
504 void
505 blf_enc(blf_ctx *c, u_int32_t *data, u_int16_t blocks)
506 {
507 u_int32_t *d;
508 u_int16_t i;
509
510 d = data;
511 for (i = 0; i < blocks; i++) {
512 Blowfish_encipher(c, d);
513 d += 2;
514 }
515 }
516
517 void
518 blf_dec(blf_ctx *c, u_int32_t *data, u_int16_t blocks)
519 {
520 u_int32_t *d;
521 u_int16_t i;
522
523 d = data;
524 for (i = 0; i < blocks; i++) {
525 Blowfish_decipher(c, d);
526 d += 2;
527 }
528 }
529
530 void
531 blf_ecb_encrypt(blf_ctx *c, u_int8_t *data, u_int32_t len)
532 {
533 u_int32_t l, r, d[2];
534 u_int32_t i;
535
536 for (i = 0; i < len; i += 8) {
537 l = data[0] << 24 | data[1] << 16 | data[2] << 8 | data[3];
538 r = data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7];
539 d[0] = l;
540 d[1] = r;
541 Blowfish_encipher(c, d);
542 l = d[0];
543 r = d[1];
544 data[0] = l >> 24 & 0xff;
545 data[1] = l >> 16 & 0xff;
546 data[2] = l >> 8 & 0xff;
547 data[3] = l & 0xff;
548 data[4] = r >> 24 & 0xff;
549 data[5] = r >> 16 & 0xff;
550 data[6] = r >> 8 & 0xff;
551 data[7] = r & 0xff;
552 data += 8;
553 }
554 }
555
556 void
557 blf_ecb_decrypt(blf_ctx *c, u_int8_t *data, u_int32_t len)
558 {
559 u_int32_t l, r, d[2];
560 u_int32_t i;
561
562 for (i = 0; i < len; i += 8) {
563 l = data[0] << 24 | data[1] << 16 | data[2] << 8 | data[3];
564 r = data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7];
565 d[0] = l;
566 d[1] = r;
567 Blowfish_decipher(c, d);
568 l = d[0];
569 r = d[1];
570 data[0] = l >> 24 & 0xff;
571 data[1] = l >> 16 & 0xff;
572 data[2] = l >> 8 & 0xff;
573 data[3] = l & 0xff;
574 data[4] = r >> 24 & 0xff;
575 data[5] = r >> 16 & 0xff;
576 data[6] = r >> 8 & 0xff;
577 data[7] = r & 0xff;
578 data += 8;
579 }
580 }
581
582 void
583 blf_cbc_encrypt(blf_ctx *c, u_int8_t *iv, u_int8_t *data, u_int32_t len)
584 {
585 u_int32_t l, r, d[2];
586 u_int32_t i, j;
587
588 for (i = 0; i < len; i += 8) {
589 for (j = 0; j < 8; j++)
590 data[j] ^= iv[j];
591 l = data[0] << 24 | data[1] << 16 | data[2] << 8 | data[3];
592 r = data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7];
593 d[0] = l;
594 d[1] = r;
595 Blowfish_encipher(c, d);
596 l = d[0];
597 r = d[1];
598 data[0] = l >> 24 & 0xff;
599 data[1] = l >> 16 & 0xff;
600 data[2] = l >> 8 & 0xff;
601 data[3] = l & 0xff;
602 data[4] = r >> 24 & 0xff;
603 data[5] = r >> 16 & 0xff;
604 data[6] = r >> 8 & 0xff;
605 data[7] = r & 0xff;
606 iv = data;
607 data += 8;
608 }
609 }
610
611 void
612 blf_cbc_decrypt(blf_ctx *c, u_int8_t *iva, u_int8_t *data, u_int32_t len)
613 {
614 u_int32_t l, r, d[2];
615 u_int8_t *iv;
616 u_int32_t i, j;
617
618 iv = data + len - 16;
619 data = data + len - 8;
620 for (i = len - 8; i >= 8; i -= 8) {
621 l = data[0] << 24 | data[1] << 16 | data[2] << 8 | data[3];
622 r = data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7];
623 d[0] = l;
624 d[1] = r;
625 Blowfish_decipher(c, d);
626 l = d[0];
627 r = d[1];
628 data[0] = l >> 24 & 0xff;
629 data[1] = l >> 16 & 0xff;
630 data[2] = l >> 8 & 0xff;
631 data[3] = l & 0xff;
632 data[4] = r >> 24 & 0xff;
633 data[5] = r >> 16 & 0xff;
634 data[6] = r >> 8 & 0xff;
635 data[7] = r & 0xff;
636 for (j = 0; j < 8; j++)
637 data[j] ^= iv[j];
638 iv -= 8;
639 data -= 8;
640 }
641 l = data[0] << 24 | data[1] << 16 | data[2] << 8 | data[3];
642 r = data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7];
643 d[0] = l;
644 d[1] = r;
645 Blowfish_decipher(c, d);
646 l = d[0];
647 r = d[1];
648 data[0] = l >> 24 & 0xff;
649 data[1] = l >> 16 & 0xff;
650 data[2] = l >> 8 & 0xff;
651 data[3] = l & 0xff;
652 data[4] = r >> 24 & 0xff;
653 data[5] = r >> 16 & 0xff;
654 data[6] = r >> 8 & 0xff;
655 data[7] = r & 0xff;
656 for (j = 0; j < 8; j++)
657 data[j] ^= iva[j];
658 }