1 /* $NetBSD: blowfish.c,v 1.2 2003/04/17 00:31:04 thorpej Exp $ */ 2 /* $OpenBSD: blowfish.c,v 1.16 2002/02/19 19:39:36 millert Exp $ */ 3 /* 4 * Blowfish block cipher for OpenBSD 5 * Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de> 6 * All rights reserved. 7 * 8 * Implementation advice by David Mazieres <dm@lcs.mit.edu>. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by Niels Provos. 21 * 4. The name of the author may not be used to endorse or promote products 22 * derived from this software without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 26 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 27 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 28 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 29 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 33 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 /* 37 * This code is derived from section 14.3 and the given source 38 * in section V of Applied Cryptography, second edition. 39 * Blowfish is an unpatented fast block cipher designed by 40 * Bruce Schneier. 41 */ 42 43 /* 44 * Note: This has been trimmed down to only what is needed by 45 * __bcrypt(). Also note that this file is actually included 46 * directly by bcrypt.c, not built separately. 47 */ 48 49 #include <sys/types.h> 50 51 /* Schneier specifies a maximum key length of 56 bytes. 52 * This ensures that every key bit affects every cipher 53 * bit. However, the subkeys can hold up to 72 bytes. 54 * Warning: For normal blowfish encryption only 56 bytes 55 * of the key affect all cipherbits. 56 */ 57 58 #define BLF_N 16 /* Number of Subkeys */ 59 #define BLF_MAXKEYLEN ((BLF_N-2)*4) /* 448 bits */ 60 61 /* Blowfish context */ 62 typedef struct BlowfishContext { 63 u_int32_t S[4][256]; /* S-Boxes */ 64 u_int32_t P[BLF_N + 2]; /* Subkeys */ 65 } blf_ctx; 66 67 #undef inline 68 #ifdef __GNUC__ 69 #define inline __inline 70 #else /* !__GNUC__ */ 71 #define inline 72 #endif /* !__GNUC__ */ 73 74 /* Function for Feistel Networks */ 75 76 #define F(s, x) ((((s)[ (((x)>>24)&0xFF)] \ 77 + (s)[0x100 + (((x)>>16)&0xFF)]) \ 78 ^ (s)[0x200 + (((x)>> 8)&0xFF)]) \ 79 + (s)[0x300 + ( (x) &0xFF)]) 80 81 #define BLFRND(s,p,i,j,n) (i ^= F(s,j) ^ (p)[n]) 82 83 static void 84 Blowfish_encipher(blf_ctx *c, u_int32_t *xl, u_int32_t *xr) 85 { 86 u_int32_t Xl; 87 u_int32_t Xr; 88 u_int32_t *s = c->S[0]; 89 u_int32_t *p = c->P; 90 91 Xl = *xl; 92 Xr = *xr; 93 94 Xl ^= p[0]; 95 BLFRND(s, p, Xr, Xl, 1); BLFRND(s, p, Xl, Xr, 2); 96 BLFRND(s, p, Xr, Xl, 3); BLFRND(s, p, Xl, Xr, 4); 97 BLFRND(s, p, Xr, Xl, 5); BLFRND(s, p, Xl, Xr, 6); 98 BLFRND(s, p, Xr, Xl, 7); BLFRND(s, p, Xl, Xr, 8); 99 BLFRND(s, p, Xr, Xl, 9); BLFRND(s, p, Xl, Xr, 10); 100 BLFRND(s, p, Xr, Xl, 11); BLFRND(s, p, Xl, Xr, 12); 101 BLFRND(s, p, Xr, Xl, 13); BLFRND(s, p, Xl, Xr, 14); 102 BLFRND(s, p, Xr, Xl, 15); BLFRND(s, p, Xl, Xr, 16); 103 104 *xl = Xr ^ p[17]; 105 *xr = Xl; 106 } 107 108 static void 109 Blowfish_initstate(blf_ctx *c) 110 { 111 112 /* P-box and S-box tables initialized with digits of Pi */ 113 114 static const blf_ctx init_state = 115 116 { { 117 { 118 0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, 0xd01adfb7, 119 0xb8e1afed, 0x6a267e96, 0xba7c9045, 0xf12c7f99, 120 0x24a19947, 0xb3916cf7, 0x0801f2e2, 0x858efc16, 121 0x636920d8, 0x71574e69, 0xa458fea3, 0xf4933d7e, 122 0x0d95748f, 0x728eb658, 0x718bcd58, 0x82154aee, 123 0x7b54a41d, 0xc25a59b5, 0x9c30d539, 0x2af26013, 124 0xc5d1b023, 0x286085f0, 0xca417918, 0xb8db38ef, 125 0x8e79dcb0, 0x603a180e, 0x6c9e0e8b, 0xb01e8a3e, 126 0xd71577c1, 0xbd314b27, 0x78af2fda, 0x55605c60, 127 0xe65525f3, 0xaa55ab94, 0x57489862, 0x63e81440, 128 0x55ca396a, 0x2aab10b6, 0xb4cc5c34, 0x1141e8ce, 129 0xa15486af, 0x7c72e993, 0xb3ee1411, 0x636fbc2a, 130 0x2ba9c55d, 0x741831f6, 0xce5c3e16, 0x9b87931e, 131 0xafd6ba33, 0x6c24cf5c, 0x7a325381, 0x28958677, 132 0x3b8f4898, 0x6b4bb9af, 0xc4bfe81b, 0x66282193, 133 0x61d809cc, 0xfb21a991, 0x487cac60, 0x5dec8032, 134 0xef845d5d, 0xe98575b1, 0xdc262302, 0xeb651b88, 135 0x23893e81, 0xd396acc5, 0x0f6d6ff3, 0x83f44239, 136 0x2e0b4482, 0xa4842004, 0x69c8f04a, 0x9e1f9b5e, 137 0x21c66842, 0xf6e96c9a, 0x670c9c61, 0xabd388f0, 138 0x6a51a0d2, 0xd8542f68, 0x960fa728, 0xab5133a3, 139 0x6eef0b6c, 0x137a3be4, 0xba3bf050, 0x7efb2a98, 140 0xa1f1651d, 0x39af0176, 0x66ca593e, 0x82430e88, 141 0x8cee8619, 0x456f9fb4, 0x7d84a5c3, 0x3b8b5ebe, 142 0xe06f75d8, 0x85c12073, 0x401a449f, 0x56c16aa6, 143 0x4ed3aa62, 0x363f7706, 0x1bfedf72, 0x429b023d, 144 0x37d0d724, 0xd00a1248, 0xdb0fead3, 0x49f1c09b, 145 0x075372c9, 0x80991b7b, 0x25d479d8, 0xf6e8def7, 146 0xe3fe501a, 0xb6794c3b, 0x976ce0bd, 0x04c006ba, 147 0xc1a94fb6, 0x409f60c4, 0x5e5c9ec2, 0x196a2463, 148 0x68fb6faf, 0x3e6c53b5, 0x1339b2eb, 0x3b52ec6f, 149 0x6dfc511f, 0x9b30952c, 0xcc814544, 0xaf5ebd09, 150 0xbee3d004, 0xde334afd, 0x660f2807, 0x192e4bb3, 151 0xc0cba857, 0x45c8740f, 0xd20b5f39, 0xb9d3fbdb, 152 0x5579c0bd, 0x1a60320a, 0xd6a100c6, 0x402c7279, 153 0x679f25fe, 0xfb1fa3cc, 0x8ea5e9f8, 0xdb3222f8, 154 0x3c7516df, 0xfd616b15, 0x2f501ec8, 0xad0552ab, 155 0x323db5fa, 0xfd238760, 0x53317b48, 0x3e00df82, 156 0x9e5c57bb, 0xca6f8ca0, 0x1a87562e, 0xdf1769db, 157 0xd542a8f6, 0x287effc3, 0xac6732c6, 0x8c4f5573, 158 0x695b27b0, 0xbbca58c8, 0xe1ffa35d, 0xb8f011a0, 159 0x10fa3d98, 0xfd2183b8, 0x4afcb56c, 0x2dd1d35b, 160 0x9a53e479, 0xb6f84565, 0xd28e49bc, 0x4bfb9790, 161 0xe1ddf2da, 0xa4cb7e33, 0x62fb1341, 0xcee4c6e8, 162 0xef20cada, 0x36774c01, 0xd07e9efe, 0x2bf11fb4, 163 0x95dbda4d, 0xae909198, 0xeaad8e71, 0x6b93d5a0, 164 0xd08ed1d0, 0xafc725e0, 0x8e3c5b2f, 0x8e7594b7, 165 0x8ff6e2fb, 0xf2122b64, 0x8888b812, 0x900df01c, 166 0x4fad5ea0, 0x688fc31c, 0xd1cff191, 0xb3a8c1ad, 167 0x2f2f2218, 0xbe0e1777, 0xea752dfe, 0x8b021fa1, 168 0xe5a0cc0f, 0xb56f74e8, 0x18acf3d6, 0xce89e299, 169 0xb4a84fe0, 0xfd13e0b7, 0x7cc43b81, 0xd2ada8d9, 170 0x165fa266, 0x80957705, 0x93cc7314, 0x211a1477, 171 0xe6ad2065, 0x77b5fa86, 0xc75442f5, 0xfb9d35cf, 172 0xebcdaf0c, 0x7b3e89a0, 0xd6411bd3, 0xae1e7e49, 173 0x00250e2d, 0x2071b35e, 0x226800bb, 0x57b8e0af, 174 0x2464369b, 0xf009b91e, 0x5563911d, 0x59dfa6aa, 175 0x78c14389, 0xd95a537f, 0x207d5ba2, 0x02e5b9c5, 176 0x83260376, 0x6295cfa9, 0x11c81968, 0x4e734a41, 177 0xb3472dca, 0x7b14a94a, 0x1b510052, 0x9a532915, 178 0xd60f573f, 0xbc9bc6e4, 0x2b60a476, 0x81e67400, 179 0x08ba6fb5, 0x571be91f, 0xf296ec6b, 0x2a0dd915, 180 0xb6636521, 0xe7b9f9b6, 0xff34052e, 0xc5855664, 181 0x53b02d5d, 0xa99f8fa1, 0x08ba4799, 0x6e85076a}, 182 { 183 0x4b7a70e9, 0xb5b32944, 0xdb75092e, 0xc4192623, 184 0xad6ea6b0, 0x49a7df7d, 0x9cee60b8, 0x8fedb266, 185 0xecaa8c71, 0x699a17ff, 0x5664526c, 0xc2b19ee1, 186 0x193602a5, 0x75094c29, 0xa0591340, 0xe4183a3e, 187 0x3f54989a, 0x5b429d65, 0x6b8fe4d6, 0x99f73fd6, 188 0xa1d29c07, 0xefe830f5, 0x4d2d38e6, 0xf0255dc1, 189 0x4cdd2086, 0x8470eb26, 0x6382e9c6, 0x021ecc5e, 190 0x09686b3f, 0x3ebaefc9, 0x3c971814, 0x6b6a70a1, 191 0x687f3584, 0x52a0e286, 0xb79c5305, 0xaa500737, 192 0x3e07841c, 0x7fdeae5c, 0x8e7d44ec, 0x5716f2b8, 193 0xb03ada37, 0xf0500c0d, 0xf01c1f04, 0x0200b3ff, 194 0xae0cf51a, 0x3cb574b2, 0x25837a58, 0xdc0921bd, 195 0xd19113f9, 0x7ca92ff6, 0x94324773, 0x22f54701, 196 0x3ae5e581, 0x37c2dadc, 0xc8b57634, 0x9af3dda7, 197 0xa9446146, 0x0fd0030e, 0xecc8c73e, 0xa4751e41, 198 0xe238cd99, 0x3bea0e2f, 0x3280bba1, 0x183eb331, 199 0x4e548b38, 0x4f6db908, 0x6f420d03, 0xf60a04bf, 200 0x2cb81290, 0x24977c79, 0x5679b072, 0xbcaf89af, 201 0xde9a771f, 0xd9930810, 0xb38bae12, 0xdccf3f2e, 202 0x5512721f, 0x2e6b7124, 0x501adde6, 0x9f84cd87, 203 0x7a584718, 0x7408da17, 0xbc9f9abc, 0xe94b7d8c, 204 0xec7aec3a, 0xdb851dfa, 0x63094366, 0xc464c3d2, 205 0xef1c1847, 0x3215d908, 0xdd433b37, 0x24c2ba16, 206 0x12a14d43, 0x2a65c451, 0x50940002, 0x133ae4dd, 207 0x71dff89e, 0x10314e55, 0x81ac77d6, 0x5f11199b, 208 0x043556f1, 0xd7a3c76b, 0x3c11183b, 0x5924a509, 209 0xf28fe6ed, 0x97f1fbfa, 0x9ebabf2c, 0x1e153c6e, 210 0x86e34570, 0xeae96fb1, 0x860e5e0a, 0x5a3e2ab3, 211 0x771fe71c, 0x4e3d06fa, 0x2965dcb9, 0x99e71d0f, 212 0x803e89d6, 0x5266c825, 0x2e4cc978, 0x9c10b36a, 213 0xc6150eba, 0x94e2ea78, 0xa5fc3c53, 0x1e0a2df4, 214 0xf2f74ea7, 0x361d2b3d, 0x1939260f, 0x19c27960, 215 0x5223a708, 0xf71312b6, 0xebadfe6e, 0xeac31f66, 216 0xe3bc4595, 0xa67bc883, 0xb17f37d1, 0x018cff28, 217 0xc332ddef, 0xbe6c5aa5, 0x65582185, 0x68ab9802, 218 0xeecea50f, 0xdb2f953b, 0x2aef7dad, 0x5b6e2f84, 219 0x1521b628, 0x29076170, 0xecdd4775, 0x619f1510, 220 0x13cca830, 0xeb61bd96, 0x0334fe1e, 0xaa0363cf, 221 0xb5735c90, 0x4c70a239, 0xd59e9e0b, 0xcbaade14, 222 0xeecc86bc, 0x60622ca7, 0x9cab5cab, 0xb2f3846e, 223 0x648b1eaf, 0x19bdf0ca, 0xa02369b9, 0x655abb50, 224 0x40685a32, 0x3c2ab4b3, 0x319ee9d5, 0xc021b8f7, 225 0x9b540b19, 0x875fa099, 0x95f7997e, 0x623d7da8, 226 0xf837889a, 0x97e32d77, 0x11ed935f, 0x16681281, 227 0x0e358829, 0xc7e61fd6, 0x96dedfa1, 0x7858ba99, 228 0x57f584a5, 0x1b227263, 0x9b83c3ff, 0x1ac24696, 229 0xcdb30aeb, 0x532e3054, 0x8fd948e4, 0x6dbc3128, 230 0x58ebf2ef, 0x34c6ffea, 0xfe28ed61, 0xee7c3c73, 231 0x5d4a14d9, 0xe864b7e3, 0x42105d14, 0x203e13e0, 232 0x45eee2b6, 0xa3aaabea, 0xdb6c4f15, 0xfacb4fd0, 233 0xc742f442, 0xef6abbb5, 0x654f3b1d, 0x41cd2105, 234 0xd81e799e, 0x86854dc7, 0xe44b476a, 0x3d816250, 235 0xcf62a1f2, 0x5b8d2646, 0xfc8883a0, 0xc1c7b6a3, 236 0x7f1524c3, 0x69cb7492, 0x47848a0b, 0x5692b285, 237 0x095bbf00, 0xad19489d, 0x1462b174, 0x23820e00, 238 0x58428d2a, 0x0c55f5ea, 0x1dadf43e, 0x233f7061, 239 0x3372f092, 0x8d937e41, 0xd65fecf1, 0x6c223bdb, 240 0x7cde3759, 0xcbee7460, 0x4085f2a7, 0xce77326e, 241 0xa6078084, 0x19f8509e, 0xe8efd855, 0x61d99735, 242 0xa969a7aa, 0xc50c06c2, 0x5a04abfc, 0x800bcadc, 243 0x9e447a2e, 0xc3453484, 0xfdd56705, 0x0e1e9ec9, 244 0xdb73dbd3, 0x105588cd, 0x675fda79, 0xe3674340, 245 0xc5c43465, 0x713e38d8, 0x3d28f89e, 0xf16dff20, 246 0x153e21e7, 0x8fb03d4a, 0xe6e39f2b, 0xdb83adf7}, 247 { 248 0xe93d5a68, 0x948140f7, 0xf64c261c, 0x94692934, 249 0x411520f7, 0x7602d4f7, 0xbcf46b2e, 0xd4a20068, 250 0xd4082471, 0x3320f46a, 0x43b7d4b7, 0x500061af, 251 0x1e39f62e, 0x97244546, 0x14214f74, 0xbf8b8840, 252 0x4d95fc1d, 0x96b591af, 0x70f4ddd3, 0x66a02f45, 253 0xbfbc09ec, 0x03bd9785, 0x7fac6dd0, 0x31cb8504, 254 0x96eb27b3, 0x55fd3941, 0xda2547e6, 0xabca0a9a, 255 0x28507825, 0x530429f4, 0x0a2c86da, 0xe9b66dfb, 256 0x68dc1462, 0xd7486900, 0x680ec0a4, 0x27a18dee, 257 0x4f3ffea2, 0xe887ad8c, 0xb58ce006, 0x7af4d6b6, 258 0xaace1e7c, 0xd3375fec, 0xce78a399, 0x406b2a42, 259 0x20fe9e35, 0xd9f385b9, 0xee39d7ab, 0x3b124e8b, 260 0x1dc9faf7, 0x4b6d1856, 0x26a36631, 0xeae397b2, 261 0x3a6efa74, 0xdd5b4332, 0x6841e7f7, 0xca7820fb, 262 0xfb0af54e, 0xd8feb397, 0x454056ac, 0xba489527, 263 0x55533a3a, 0x20838d87, 0xfe6ba9b7, 0xd096954b, 264 0x55a867bc, 0xa1159a58, 0xcca92963, 0x99e1db33, 265 0xa62a4a56, 0x3f3125f9, 0x5ef47e1c, 0x9029317c, 266 0xfdf8e802, 0x04272f70, 0x80bb155c, 0x05282ce3, 267 0x95c11548, 0xe4c66d22, 0x48c1133f, 0xc70f86dc, 268 0x07f9c9ee, 0x41041f0f, 0x404779a4, 0x5d886e17, 269 0x325f51eb, 0xd59bc0d1, 0xf2bcc18f, 0x41113564, 270 0x257b7834, 0x602a9c60, 0xdff8e8a3, 0x1f636c1b, 271 0x0e12b4c2, 0x02e1329e, 0xaf664fd1, 0xcad18115, 272 0x6b2395e0, 0x333e92e1, 0x3b240b62, 0xeebeb922, 273 0x85b2a20e, 0xe6ba0d99, 0xde720c8c, 0x2da2f728, 274 0xd0127845, 0x95b794fd, 0x647d0862, 0xe7ccf5f0, 275 0x5449a36f, 0x877d48fa, 0xc39dfd27, 0xf33e8d1e, 276 0x0a476341, 0x992eff74, 0x3a6f6eab, 0xf4f8fd37, 277 0xa812dc60, 0xa1ebddf8, 0x991be14c, 0xdb6e6b0d, 278 0xc67b5510, 0x6d672c37, 0x2765d43b, 0xdcd0e804, 279 0xf1290dc7, 0xcc00ffa3, 0xb5390f92, 0x690fed0b, 280 0x667b9ffb, 0xcedb7d9c, 0xa091cf0b, 0xd9155ea3, 281 0xbb132f88, 0x515bad24, 0x7b9479bf, 0x763bd6eb, 282 0x37392eb3, 0xcc115979, 0x8026e297, 0xf42e312d, 283 0x6842ada7, 0xc66a2b3b, 0x12754ccc, 0x782ef11c, 284 0x6a124237, 0xb79251e7, 0x06a1bbe6, 0x4bfb6350, 285 0x1a6b1018, 0x11caedfa, 0x3d25bdd8, 0xe2e1c3c9, 286 0x44421659, 0x0a121386, 0xd90cec6e, 0xd5abea2a, 287 0x64af674e, 0xda86a85f, 0xbebfe988, 0x64e4c3fe, 288 0x9dbc8057, 0xf0f7c086, 0x60787bf8, 0x6003604d, 289 0xd1fd8346, 0xf6381fb0, 0x7745ae04, 0xd736fccc, 290 0x83426b33, 0xf01eab71, 0xb0804187, 0x3c005e5f, 291 0x77a057be, 0xbde8ae24, 0x55464299, 0xbf582e61, 292 0x4e58f48f, 0xf2ddfda2, 0xf474ef38, 0x8789bdc2, 293 0x5366f9c3, 0xc8b38e74, 0xb475f255, 0x46fcd9b9, 294 0x7aeb2661, 0x8b1ddf84, 0x846a0e79, 0x915f95e2, 295 0x466e598e, 0x20b45770, 0x8cd55591, 0xc902de4c, 296 0xb90bace1, 0xbb8205d0, 0x11a86248, 0x7574a99e, 297 0xb77f19b6, 0xe0a9dc09, 0x662d09a1, 0xc4324633, 298 0xe85a1f02, 0x09f0be8c, 0x4a99a025, 0x1d6efe10, 299 0x1ab93d1d, 0x0ba5a4df, 0xa186f20f, 0x2868f169, 300 0xdcb7da83, 0x573906fe, 0xa1e2ce9b, 0x4fcd7f52, 301 0x50115e01, 0xa70683fa, 0xa002b5c4, 0x0de6d027, 302 0x9af88c27, 0x773f8641, 0xc3604c06, 0x61a806b5, 303 0xf0177a28, 0xc0f586e0, 0x006058aa, 0x30dc7d62, 304 0x11e69ed7, 0x2338ea63, 0x53c2dd94, 0xc2c21634, 305 0xbbcbee56, 0x90bcb6de, 0xebfc7da1, 0xce591d76, 306 0x6f05e409, 0x4b7c0188, 0x39720a3d, 0x7c927c24, 307 0x86e3725f, 0x724d9db9, 0x1ac15bb4, 0xd39eb8fc, 308 0xed545578, 0x08fca5b5, 0xd83d7cd3, 0x4dad0fc4, 309 0x1e50ef5e, 0xb161e6f8, 0xa28514d9, 0x6c51133c, 310 0x6fd5c7e7, 0x56e14ec4, 0x362abfce, 0xddc6c837, 311 0xd79a3234, 0x92638212, 0x670efa8e, 0x406000e0}, 312 { 313 0x3a39ce37, 0xd3faf5cf, 0xabc27737, 0x5ac52d1b, 314 0x5cb0679e, 0x4fa33742, 0xd3822740, 0x99bc9bbe, 315 0xd5118e9d, 0xbf0f7315, 0xd62d1c7e, 0xc700c47b, 316 0xb78c1b6b, 0x21a19045, 0xb26eb1be, 0x6a366eb4, 317 0x5748ab2f, 0xbc946e79, 0xc6a376d2, 0x6549c2c8, 318 0x530ff8ee, 0x468dde7d, 0xd5730a1d, 0x4cd04dc6, 319 0x2939bbdb, 0xa9ba4650, 0xac9526e8, 0xbe5ee304, 320 0xa1fad5f0, 0x6a2d519a, 0x63ef8ce2, 0x9a86ee22, 321 0xc089c2b8, 0x43242ef6, 0xa51e03aa, 0x9cf2d0a4, 322 0x83c061ba, 0x9be96a4d, 0x8fe51550, 0xba645bd6, 323 0x2826a2f9, 0xa73a3ae1, 0x4ba99586, 0xef5562e9, 324 0xc72fefd3, 0xf752f7da, 0x3f046f69, 0x77fa0a59, 325 0x80e4a915, 0x87b08601, 0x9b09e6ad, 0x3b3ee593, 326 0xe990fd5a, 0x9e34d797, 0x2cf0b7d9, 0x022b8b51, 327 0x96d5ac3a, 0x017da67d, 0xd1cf3ed6, 0x7c7d2d28, 328 0x1f9f25cf, 0xadf2b89b, 0x5ad6b472, 0x5a88f54c, 329 0xe029ac71, 0xe019a5e6, 0x47b0acfd, 0xed93fa9b, 330 0xe8d3c48d, 0x283b57cc, 0xf8d56629, 0x79132e28, 331 0x785f0191, 0xed756055, 0xf7960e44, 0xe3d35e8c, 332 0x15056dd4, 0x88f46dba, 0x03a16125, 0x0564f0bd, 333 0xc3eb9e15, 0x3c9057a2, 0x97271aec, 0xa93a072a, 334 0x1b3f6d9b, 0x1e6321f5, 0xf59c66fb, 0x26dcf319, 335 0x7533d928, 0xb155fdf5, 0x03563482, 0x8aba3cbb, 336 0x28517711, 0xc20ad9f8, 0xabcc5167, 0xccad925f, 337 0x4de81751, 0x3830dc8e, 0x379d5862, 0x9320f991, 338 0xea7a90c2, 0xfb3e7bce, 0x5121ce64, 0x774fbe32, 339 0xa8b6e37e, 0xc3293d46, 0x48de5369, 0x6413e680, 340 0xa2ae0810, 0xdd6db224, 0x69852dfd, 0x09072166, 341 0xb39a460a, 0x6445c0dd, 0x586cdecf, 0x1c20c8ae, 342 0x5bbef7dd, 0x1b588d40, 0xccd2017f, 0x6bb4e3bb, 343 0xdda26a7e, 0x3a59ff45, 0x3e350a44, 0xbcb4cdd5, 344 0x72eacea8, 0xfa6484bb, 0x8d6612ae, 0xbf3c6f47, 345 0xd29be463, 0x542f5d9e, 0xaec2771b, 0xf64e6370, 346 0x740e0d8d, 0xe75b1357, 0xf8721671, 0xaf537d5d, 347 0x4040cb08, 0x4eb4e2cc, 0x34d2466a, 0x0115af84, 348 0xe1b00428, 0x95983a1d, 0x06b89fb4, 0xce6ea048, 349 0x6f3f3b82, 0x3520ab82, 0x011a1d4b, 0x277227f8, 350 0x611560b1, 0xe7933fdc, 0xbb3a792b, 0x344525bd, 351 0xa08839e1, 0x51ce794b, 0x2f32c9b7, 0xa01fbac9, 352 0xe01cc87e, 0xbcc7d1f6, 0xcf0111c3, 0xa1e8aac7, 353 0x1a908749, 0xd44fbd9a, 0xd0dadecb, 0xd50ada38, 354 0x0339c32a, 0xc6913667, 0x8df9317c, 0xe0b12b4f, 355 0xf79e59b7, 0x43f5bb3a, 0xf2d519ff, 0x27d9459c, 356 0xbf97222c, 0x15e6fc2a, 0x0f91fc71, 0x9b941525, 357 0xfae59361, 0xceb69ceb, 0xc2a86459, 0x12baa8d1, 358 0xb6c1075e, 0xe3056a0c, 0x10d25065, 0xcb03a442, 359 0xe0ec6e0e, 0x1698db3b, 0x4c98a0be, 0x3278e964, 360 0x9f1f9532, 0xe0d392df, 0xd3a0342b, 0x8971f21e, 361 0x1b0a7441, 0x4ba3348c, 0xc5be7120, 0xc37632d8, 362 0xdf359f8d, 0x9b992f2e, 0xe60b6f47, 0x0fe3f11d, 363 0xe54cda54, 0x1edad891, 0xce6279cf, 0xcd3e7e6f, 364 0x1618b166, 0xfd2c1d05, 0x848fd2c5, 0xf6fb2299, 365 0xf523f357, 0xa6327623, 0x93a83531, 0x56cccd02, 366 0xacf08162, 0x5a75ebb5, 0x6e163697, 0x88d273cc, 367 0xde966292, 0x81b949d0, 0x4c50901b, 0x71c65614, 368 0xe6c6c7bd, 0x327a140a, 0x45e1d006, 0xc3f27b9a, 369 0xc9aa53fd, 0x62a80f00, 0xbb25bfe2, 0x35bdd2f6, 370 0x71126905, 0xb2040222, 0xb6cbcf7c, 0xcd769c2b, 371 0x53113ec0, 0x1640e3d3, 0x38abbd60, 0x2547adf0, 372 0xba38209c, 0xf746ce76, 0x77afa1c5, 0x20756060, 373 0x85cbfe4e, 0x8ae88dd8, 0x7aaaf9b0, 0x4cf9aa7e, 374 0x1948c25c, 0x02fb8a8c, 0x01c36ae4, 0xd6ebe1f9, 375 0x90d4f869, 0xa65cdea0, 0x3f09252d, 0xc208e69f, 376 0xb74e6132, 0xce77e25b, 0x578fdfe3, 0x3ac372e6} 377 }, 378 { 379 0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344, 380 0xa4093822, 0x299f31d0, 0x082efa98, 0xec4e6c89, 381 0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c, 382 0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917, 383 0x9216d5d9, 0x8979fb1b 384 } }; 385 386 *c = init_state; 387 388 } 389 390 static u_int32_t 391 Blowfish_stream2word(const u_int8_t *data, u_int16_t databytes, u_int16_t *current) 392 { 393 u_int8_t i; 394 u_int16_t j; 395 u_int32_t temp; 396 397 temp = 0x00000000; 398 j = *current; 399 400 for (i = 0; i < 4; i++, j++) { 401 if (j >= databytes) 402 j = 0; 403 temp = (temp << 8) | data[j]; 404 } 405 406 *current = j; 407 return temp; 408 } 409 410 static void 411 Blowfish_expand0state(blf_ctx *c, const u_int8_t *key, u_int16_t keybytes) 412 { 413 u_int16_t i; 414 u_int16_t j; 415 u_int16_t k; 416 u_int32_t temp; 417 u_int32_t datal; 418 u_int32_t datar; 419 420 j = 0; 421 for (i = 0; i < BLF_N + 2; i++) { 422 /* Extract 4 int8 to 1 int32 from keystream */ 423 temp = Blowfish_stream2word(key, keybytes, &j); 424 c->P[i] = c->P[i] ^ temp; 425 } 426 427 j = 0; 428 datal = 0x00000000; 429 datar = 0x00000000; 430 for (i = 0; i < BLF_N + 2; i += 2) { 431 Blowfish_encipher(c, &datal, &datar); 432 433 c->P[i] = datal; 434 c->P[i + 1] = datar; 435 } 436 437 for (i = 0; i < 4; i++) { 438 for (k = 0; k < 256; k += 2) { 439 Blowfish_encipher(c, &datal, &datar); 440 441 c->S[i][k] = datal; 442 c->S[i][k + 1] = datar; 443 } 444 } 445 } 446 447 448 static void 449 Blowfish_expandstate(blf_ctx *c, const u_int8_t *data, u_int16_t databytes, 450 const u_int8_t *key, u_int16_t keybytes) 451 { 452 u_int16_t i; 453 u_int16_t j; 454 u_int16_t k; 455 u_int32_t temp; 456 u_int32_t datal; 457 u_int32_t datar; 458 459 j = 0; 460 for (i = 0; i < BLF_N + 2; i++) { 461 /* Extract 4 int8 to 1 int32 from keystream */ 462 temp = Blowfish_stream2word(key, keybytes, &j); 463 c->P[i] = c->P[i] ^ temp; 464 } 465 466 j = 0; 467 datal = 0x00000000; 468 datar = 0x00000000; 469 for (i = 0; i < BLF_N + 2; i += 2) { 470 datal ^= Blowfish_stream2word(data, databytes, &j); 471 datar ^= Blowfish_stream2word(data, databytes, &j); 472 Blowfish_encipher(c, &datal, &datar); 473 474 c->P[i] = datal; 475 c->P[i + 1] = datar; 476 } 477 478 for (i = 0; i < 4; i++) { 479 for (k = 0; k < 256; k += 2) { 480 datal ^= Blowfish_stream2word(data, databytes, &j); 481 datar ^= Blowfish_stream2word(data, databytes, &j); 482 Blowfish_encipher(c, &datal, &datar); 483 484 c->S[i][k] = datal; 485 c->S[i][k + 1] = datar; 486 } 487 } 488 489 } 490 491 static void 492 blf_enc(blf_ctx *c, u_int32_t *data, u_int16_t blocks) 493 { 494 u_int32_t *d; 495 u_int16_t i; 496 497 d = data; 498 for (i = 0; i < blocks; i++) { 499 Blowfish_encipher(c, d, d + 1); 500 d += 2; 501 } 502 } 503