crypto: blowfish - split generic and common c code

+10

crypto/Kconfig

··· 600 600 config CRYPTO_BLOWFISH 601 601 tristate "Blowfish cipher algorithm" 602 602 select CRYPTO_ALGAPI 603 + select CRYPTO_BLOWFISH_COMMON 603 604 help 604 605 Blowfish cipher algorithm, by Bruce Schneier. 605 606 606 607 This is a variable key length cipher which can use keys from 32 607 608 bits to 448 bits in length. It's fast, simple and specifically 608 609 designed for use on "large microprocessors". 610 + 611 + See also: 612 + <http://www.schneier.com/blowfish.html> 613 + 614 + config CRYPTO_BLOWFISH_COMMON 615 + tristate 616 + help 617 + Common parts of the Blowfish cipher algorithm shared by the 618 + generic c and the assembler implementations. 609 619 610 620 See also: 611 621 <http://www.schneier.com/blowfish.html>

+1

crypto/Makefile

··· 61 61 obj-$(CONFIG_CRYPTO_DES) += des_generic.o 62 62 obj-$(CONFIG_CRYPTO_FCRYPT) += fcrypt.o 63 63 obj-$(CONFIG_CRYPTO_BLOWFISH) += blowfish.o 64 + obj-$(CONFIG_CRYPTO_BLOWFISH_COMMON) += blowfish_common.o 64 65 obj-$(CONFIG_CRYPTO_TWOFISH) += twofish_generic.o 65 66 obj-$(CONFIG_CRYPTO_TWOFISH_COMMON) += twofish_common.o 66 67 obj-$(CONFIG_CRYPTO_SERPENT) += serpent.o

+12 -355

crypto/blowfish.c

··· 22 22 #include <asm/byteorder.h> 23 23 #include <linux/crypto.h> 24 24 #include <linux/types.h> 25 - 26 - #define BF_BLOCK_SIZE 8 27 - #define BF_MIN_KEY_SIZE 4 28 - #define BF_MAX_KEY_SIZE 56 29 - 30 - struct bf_ctx { 31 - u32 p[18]; 32 - u32 s[1024]; 33 - }; 34 - 35 - static const u32 bf_pbox[16 + 2] = { 36 - 0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344, 37 - 0xa4093822, 0x299f31d0, 0x082efa98, 0xec4e6c89, 38 - 0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c, 39 - 0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917, 40 - 0x9216d5d9, 0x8979fb1b, 41 - }; 42 - 43 - static const u32 bf_sbox[256 * 4] = { 44 - 0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, 0xd01adfb7, 45 - 0xb8e1afed, 0x6a267e96, 0xba7c9045, 0xf12c7f99, 46 - 0x24a19947, 0xb3916cf7, 0x0801f2e2, 0x858efc16, 47 - 0x636920d8, 0x71574e69, 0xa458fea3, 0xf4933d7e, 48 - 0x0d95748f, 0x728eb658, 0x718bcd58, 0x82154aee, 49 - 0x7b54a41d, 0xc25a59b5, 0x9c30d539, 0x2af26013, 50 - 0xc5d1b023, 0x286085f0, 0xca417918, 0xb8db38ef, 51 - 0x8e79dcb0, 0x603a180e, 0x6c9e0e8b, 0xb01e8a3e, 52 - 0xd71577c1, 0xbd314b27, 0x78af2fda, 0x55605c60, 53 - 0xe65525f3, 0xaa55ab94, 0x57489862, 0x63e81440, 54 - 0x55ca396a, 0x2aab10b6, 0xb4cc5c34, 0x1141e8ce, 55 - 0xa15486af, 0x7c72e993, 0xb3ee1411, 0x636fbc2a, 56 - 0x2ba9c55d, 0x741831f6, 0xce5c3e16, 0x9b87931e, 57 - 0xafd6ba33, 0x6c24cf5c, 0x7a325381, 0x28958677, 58 - 0x3b8f4898, 0x6b4bb9af, 0xc4bfe81b, 0x66282193, 59 - 0x61d809cc, 0xfb21a991, 0x487cac60, 0x5dec8032, 60 - 0xef845d5d, 0xe98575b1, 0xdc262302, 0xeb651b88, 61 - 0x23893e81, 0xd396acc5, 0x0f6d6ff3, 0x83f44239, 62 - 0x2e0b4482, 0xa4842004, 0x69c8f04a, 0x9e1f9b5e, 63 - 0x21c66842, 0xf6e96c9a, 0x670c9c61, 0xabd388f0, 64 - 0x6a51a0d2, 0xd8542f68, 0x960fa728, 0xab5133a3, 65 - 0x6eef0b6c, 0x137a3be4, 0xba3bf050, 0x7efb2a98, 66 - 0xa1f1651d, 0x39af0176, 0x66ca593e, 0x82430e88, 67 - 0x8cee8619, 0x456f9fb4, 0x7d84a5c3, 0x3b8b5ebe, 68 - 0xe06f75d8, 0x85c12073, 0x401a449f, 0x56c16aa6, 69 - 0x4ed3aa62, 0x363f7706, 0x1bfedf72, 0x429b023d, 70 - 0x37d0d724, 0xd00a1248, 0xdb0fead3, 0x49f1c09b, 71 - 0x075372c9, 0x80991b7b, 0x25d479d8, 0xf6e8def7, 72 - 0xe3fe501a, 0xb6794c3b, 0x976ce0bd, 0x04c006ba, 73 - 0xc1a94fb6, 0x409f60c4, 0x5e5c9ec2, 0x196a2463, 74 - 0x68fb6faf, 0x3e6c53b5, 0x1339b2eb, 0x3b52ec6f, 75 - 0x6dfc511f, 0x9b30952c, 0xcc814544, 0xaf5ebd09, 76 - 0xbee3d004, 0xde334afd, 0x660f2807, 0x192e4bb3, 77 - 0xc0cba857, 0x45c8740f, 0xd20b5f39, 0xb9d3fbdb, 78 - 0x5579c0bd, 0x1a60320a, 0xd6a100c6, 0x402c7279, 79 - 0x679f25fe, 0xfb1fa3cc, 0x8ea5e9f8, 0xdb3222f8, 80 - 0x3c7516df, 0xfd616b15, 0x2f501ec8, 0xad0552ab, 81 - 0x323db5fa, 0xfd238760, 0x53317b48, 0x3e00df82, 82 - 0x9e5c57bb, 0xca6f8ca0, 0x1a87562e, 0xdf1769db, 83 - 0xd542a8f6, 0x287effc3, 0xac6732c6, 0x8c4f5573, 84 - 0x695b27b0, 0xbbca58c8, 0xe1ffa35d, 0xb8f011a0, 85 - 0x10fa3d98, 0xfd2183b8, 0x4afcb56c, 0x2dd1d35b, 86 - 0x9a53e479, 0xb6f84565, 0xd28e49bc, 0x4bfb9790, 87 - 0xe1ddf2da, 0xa4cb7e33, 0x62fb1341, 0xcee4c6e8, 88 - 0xef20cada, 0x36774c01, 0xd07e9efe, 0x2bf11fb4, 89 - 0x95dbda4d, 0xae909198, 0xeaad8e71, 0x6b93d5a0, 90 - 0xd08ed1d0, 0xafc725e0, 0x8e3c5b2f, 0x8e7594b7, 91 - 0x8ff6e2fb, 0xf2122b64, 0x8888b812, 0x900df01c, 92 - 0x4fad5ea0, 0x688fc31c, 0xd1cff191, 0xb3a8c1ad, 93 - 0x2f2f2218, 0xbe0e1777, 0xea752dfe, 0x8b021fa1, 94 - 0xe5a0cc0f, 0xb56f74e8, 0x18acf3d6, 0xce89e299, 95 - 0xb4a84fe0, 0xfd13e0b7, 0x7cc43b81, 0xd2ada8d9, 96 - 0x165fa266, 0x80957705, 0x93cc7314, 0x211a1477, 97 - 0xe6ad2065, 0x77b5fa86, 0xc75442f5, 0xfb9d35cf, 98 - 0xebcdaf0c, 0x7b3e89a0, 0xd6411bd3, 0xae1e7e49, 99 - 0x00250e2d, 0x2071b35e, 0x226800bb, 0x57b8e0af, 100 - 0x2464369b, 0xf009b91e, 0x5563911d, 0x59dfa6aa, 101 - 0x78c14389, 0xd95a537f, 0x207d5ba2, 0x02e5b9c5, 102 - 0x83260376, 0x6295cfa9, 0x11c81968, 0x4e734a41, 103 - 0xb3472dca, 0x7b14a94a, 0x1b510052, 0x9a532915, 104 - 0xd60f573f, 0xbc9bc6e4, 0x2b60a476, 0x81e67400, 105 - 0x08ba6fb5, 0x571be91f, 0xf296ec6b, 0x2a0dd915, 106 - 0xb6636521, 0xe7b9f9b6, 0xff34052e, 0xc5855664, 107 - 0x53b02d5d, 0xa99f8fa1, 0x08ba4799, 0x6e85076a, 108 - 0x4b7a70e9, 0xb5b32944, 0xdb75092e, 0xc4192623, 109 - 0xad6ea6b0, 0x49a7df7d, 0x9cee60b8, 0x8fedb266, 110 - 0xecaa8c71, 0x699a17ff, 0x5664526c, 0xc2b19ee1, 111 - 0x193602a5, 0x75094c29, 0xa0591340, 0xe4183a3e, 112 - 0x3f54989a, 0x5b429d65, 0x6b8fe4d6, 0x99f73fd6, 113 - 0xa1d29c07, 0xefe830f5, 0x4d2d38e6, 0xf0255dc1, 114 - 0x4cdd2086, 0x8470eb26, 0x6382e9c6, 0x021ecc5e, 115 - 0x09686b3f, 0x3ebaefc9, 0x3c971814, 0x6b6a70a1, 116 - 0x687f3584, 0x52a0e286, 0xb79c5305, 0xaa500737, 117 - 0x3e07841c, 0x7fdeae5c, 0x8e7d44ec, 0x5716f2b8, 118 - 0xb03ada37, 0xf0500c0d, 0xf01c1f04, 0x0200b3ff, 119 - 0xae0cf51a, 0x3cb574b2, 0x25837a58, 0xdc0921bd, 120 - 0xd19113f9, 0x7ca92ff6, 0x94324773, 0x22f54701, 121 - 0x3ae5e581, 0x37c2dadc, 0xc8b57634, 0x9af3dda7, 122 - 0xa9446146, 0x0fd0030e, 0xecc8c73e, 0xa4751e41, 123 - 0xe238cd99, 0x3bea0e2f, 0x3280bba1, 0x183eb331, 124 - 0x4e548b38, 0x4f6db908, 0x6f420d03, 0xf60a04bf, 125 - 0x2cb81290, 0x24977c79, 0x5679b072, 0xbcaf89af, 126 - 0xde9a771f, 0xd9930810, 0xb38bae12, 0xdccf3f2e, 127 - 0x5512721f, 0x2e6b7124, 0x501adde6, 0x9f84cd87, 128 - 0x7a584718, 0x7408da17, 0xbc9f9abc, 0xe94b7d8c, 129 - 0xec7aec3a, 0xdb851dfa, 0x63094366, 0xc464c3d2, 130 - 0xef1c1847, 0x3215d908, 0xdd433b37, 0x24c2ba16, 131 - 0x12a14d43, 0x2a65c451, 0x50940002, 0x133ae4dd, 132 - 0x71dff89e, 0x10314e55, 0x81ac77d6, 0x5f11199b, 133 - 0x043556f1, 0xd7a3c76b, 0x3c11183b, 0x5924a509, 134 - 0xf28fe6ed, 0x97f1fbfa, 0x9ebabf2c, 0x1e153c6e, 135 - 0x86e34570, 0xeae96fb1, 0x860e5e0a, 0x5a3e2ab3, 136 - 0x771fe71c, 0x4e3d06fa, 0x2965dcb9, 0x99e71d0f, 137 - 0x803e89d6, 0x5266c825, 0x2e4cc978, 0x9c10b36a, 138 - 0xc6150eba, 0x94e2ea78, 0xa5fc3c53, 0x1e0a2df4, 139 - 0xf2f74ea7, 0x361d2b3d, 0x1939260f, 0x19c27960, 140 - 0x5223a708, 0xf71312b6, 0xebadfe6e, 0xeac31f66, 141 - 0xe3bc4595, 0xa67bc883, 0xb17f37d1, 0x018cff28, 142 - 0xc332ddef, 0xbe6c5aa5, 0x65582185, 0x68ab9802, 143 - 0xeecea50f, 0xdb2f953b, 0x2aef7dad, 0x5b6e2f84, 144 - 0x1521b628, 0x29076170, 0xecdd4775, 0x619f1510, 145 - 0x13cca830, 0xeb61bd96, 0x0334fe1e, 0xaa0363cf, 146 - 0xb5735c90, 0x4c70a239, 0xd59e9e0b, 0xcbaade14, 147 - 0xeecc86bc, 0x60622ca7, 0x9cab5cab, 0xb2f3846e, 148 - 0x648b1eaf, 0x19bdf0ca, 0xa02369b9, 0x655abb50, 149 - 0x40685a32, 0x3c2ab4b3, 0x319ee9d5, 0xc021b8f7, 150 - 0x9b540b19, 0x875fa099, 0x95f7997e, 0x623d7da8, 151 - 0xf837889a, 0x97e32d77, 0x11ed935f, 0x16681281, 152 - 0x0e358829, 0xc7e61fd6, 0x96dedfa1, 0x7858ba99, 153 - 0x57f584a5, 0x1b227263, 0x9b83c3ff, 0x1ac24696, 154 - 0xcdb30aeb, 0x532e3054, 0x8fd948e4, 0x6dbc3128, 155 - 0x58ebf2ef, 0x34c6ffea, 0xfe28ed61, 0xee7c3c73, 156 - 0x5d4a14d9, 0xe864b7e3, 0x42105d14, 0x203e13e0, 157 - 0x45eee2b6, 0xa3aaabea, 0xdb6c4f15, 0xfacb4fd0, 158 - 0xc742f442, 0xef6abbb5, 0x654f3b1d, 0x41cd2105, 159 - 0xd81e799e, 0x86854dc7, 0xe44b476a, 0x3d816250, 160 - 0xcf62a1f2, 0x5b8d2646, 0xfc8883a0, 0xc1c7b6a3, 161 - 0x7f1524c3, 0x69cb7492, 0x47848a0b, 0x5692b285, 162 - 0x095bbf00, 0xad19489d, 0x1462b174, 0x23820e00, 163 - 0x58428d2a, 0x0c55f5ea, 0x1dadf43e, 0x233f7061, 164 - 0x3372f092, 0x8d937e41, 0xd65fecf1, 0x6c223bdb, 165 - 0x7cde3759, 0xcbee7460, 0x4085f2a7, 0xce77326e, 166 - 0xa6078084, 0x19f8509e, 0xe8efd855, 0x61d99735, 167 - 0xa969a7aa, 0xc50c06c2, 0x5a04abfc, 0x800bcadc, 168 - 0x9e447a2e, 0xc3453484, 0xfdd56705, 0x0e1e9ec9, 169 - 0xdb73dbd3, 0x105588cd, 0x675fda79, 0xe3674340, 170 - 0xc5c43465, 0x713e38d8, 0x3d28f89e, 0xf16dff20, 171 - 0x153e21e7, 0x8fb03d4a, 0xe6e39f2b, 0xdb83adf7, 172 - 0xe93d5a68, 0x948140f7, 0xf64c261c, 0x94692934, 173 - 0x411520f7, 0x7602d4f7, 0xbcf46b2e, 0xd4a20068, 174 - 0xd4082471, 0x3320f46a, 0x43b7d4b7, 0x500061af, 175 - 0x1e39f62e, 0x97244546, 0x14214f74, 0xbf8b8840, 176 - 0x4d95fc1d, 0x96b591af, 0x70f4ddd3, 0x66a02f45, 177 - 0xbfbc09ec, 0x03bd9785, 0x7fac6dd0, 0x31cb8504, 178 - 0x96eb27b3, 0x55fd3941, 0xda2547e6, 0xabca0a9a, 179 - 0x28507825, 0x530429f4, 0x0a2c86da, 0xe9b66dfb, 180 - 0x68dc1462, 0xd7486900, 0x680ec0a4, 0x27a18dee, 181 - 0x4f3ffea2, 0xe887ad8c, 0xb58ce006, 0x7af4d6b6, 182 - 0xaace1e7c, 0xd3375fec, 0xce78a399, 0x406b2a42, 183 - 0x20fe9e35, 0xd9f385b9, 0xee39d7ab, 0x3b124e8b, 184 - 0x1dc9faf7, 0x4b6d1856, 0x26a36631, 0xeae397b2, 185 - 0x3a6efa74, 0xdd5b4332, 0x6841e7f7, 0xca7820fb, 186 - 0xfb0af54e, 0xd8feb397, 0x454056ac, 0xba489527, 187 - 0x55533a3a, 0x20838d87, 0xfe6ba9b7, 0xd096954b, 188 - 0x55a867bc, 0xa1159a58, 0xcca92963, 0x99e1db33, 189 - 0xa62a4a56, 0x3f3125f9, 0x5ef47e1c, 0x9029317c, 190 - 0xfdf8e802, 0x04272f70, 0x80bb155c, 0x05282ce3, 191 - 0x95c11548, 0xe4c66d22, 0x48c1133f, 0xc70f86dc, 192 - 0x07f9c9ee, 0x41041f0f, 0x404779a4, 0x5d886e17, 193 - 0x325f51eb, 0xd59bc0d1, 0xf2bcc18f, 0x41113564, 194 - 0x257b7834, 0x602a9c60, 0xdff8e8a3, 0x1f636c1b, 195 - 0x0e12b4c2, 0x02e1329e, 0xaf664fd1, 0xcad18115, 196 - 0x6b2395e0, 0x333e92e1, 0x3b240b62, 0xeebeb922, 197 - 0x85b2a20e, 0xe6ba0d99, 0xde720c8c, 0x2da2f728, 198 - 0xd0127845, 0x95b794fd, 0x647d0862, 0xe7ccf5f0, 199 - 0x5449a36f, 0x877d48fa, 0xc39dfd27, 0xf33e8d1e, 200 - 0x0a476341, 0x992eff74, 0x3a6f6eab, 0xf4f8fd37, 201 - 0xa812dc60, 0xa1ebddf8, 0x991be14c, 0xdb6e6b0d, 202 - 0xc67b5510, 0x6d672c37, 0x2765d43b, 0xdcd0e804, 203 - 0xf1290dc7, 0xcc00ffa3, 0xb5390f92, 0x690fed0b, 204 - 0x667b9ffb, 0xcedb7d9c, 0xa091cf0b, 0xd9155ea3, 205 - 0xbb132f88, 0x515bad24, 0x7b9479bf, 0x763bd6eb, 206 - 0x37392eb3, 0xcc115979, 0x8026e297, 0xf42e312d, 207 - 0x6842ada7, 0xc66a2b3b, 0x12754ccc, 0x782ef11c, 208 - 0x6a124237, 0xb79251e7, 0x06a1bbe6, 0x4bfb6350, 209 - 0x1a6b1018, 0x11caedfa, 0x3d25bdd8, 0xe2e1c3c9, 210 - 0x44421659, 0x0a121386, 0xd90cec6e, 0xd5abea2a, 211 - 0x64af674e, 0xda86a85f, 0xbebfe988, 0x64e4c3fe, 212 - 0x9dbc8057, 0xf0f7c086, 0x60787bf8, 0x6003604d, 213 - 0xd1fd8346, 0xf6381fb0, 0x7745ae04, 0xd736fccc, 214 - 0x83426b33, 0xf01eab71, 0xb0804187, 0x3c005e5f, 215 - 0x77a057be, 0xbde8ae24, 0x55464299, 0xbf582e61, 216 - 0x4e58f48f, 0xf2ddfda2, 0xf474ef38, 0x8789bdc2, 217 - 0x5366f9c3, 0xc8b38e74, 0xb475f255, 0x46fcd9b9, 218 - 0x7aeb2661, 0x8b1ddf84, 0x846a0e79, 0x915f95e2, 219 - 0x466e598e, 0x20b45770, 0x8cd55591, 0xc902de4c, 220 - 0xb90bace1, 0xbb8205d0, 0x11a86248, 0x7574a99e, 221 - 0xb77f19b6, 0xe0a9dc09, 0x662d09a1, 0xc4324633, 222 - 0xe85a1f02, 0x09f0be8c, 0x4a99a025, 0x1d6efe10, 223 - 0x1ab93d1d, 0x0ba5a4df, 0xa186f20f, 0x2868f169, 224 - 0xdcb7da83, 0x573906fe, 0xa1e2ce9b, 0x4fcd7f52, 225 - 0x50115e01, 0xa70683fa, 0xa002b5c4, 0x0de6d027, 226 - 0x9af88c27, 0x773f8641, 0xc3604c06, 0x61a806b5, 227 - 0xf0177a28, 0xc0f586e0, 0x006058aa, 0x30dc7d62, 228 - 0x11e69ed7, 0x2338ea63, 0x53c2dd94, 0xc2c21634, 229 - 0xbbcbee56, 0x90bcb6de, 0xebfc7da1, 0xce591d76, 230 - 0x6f05e409, 0x4b7c0188, 0x39720a3d, 0x7c927c24, 231 - 0x86e3725f, 0x724d9db9, 0x1ac15bb4, 0xd39eb8fc, 232 - 0xed545578, 0x08fca5b5, 0xd83d7cd3, 0x4dad0fc4, 233 - 0x1e50ef5e, 0xb161e6f8, 0xa28514d9, 0x6c51133c, 234 - 0x6fd5c7e7, 0x56e14ec4, 0x362abfce, 0xddc6c837, 235 - 0xd79a3234, 0x92638212, 0x670efa8e, 0x406000e0, 236 - 0x3a39ce37, 0xd3faf5cf, 0xabc27737, 0x5ac52d1b, 237 - 0x5cb0679e, 0x4fa33742, 0xd3822740, 0x99bc9bbe, 238 - 0xd5118e9d, 0xbf0f7315, 0xd62d1c7e, 0xc700c47b, 239 - 0xb78c1b6b, 0x21a19045, 0xb26eb1be, 0x6a366eb4, 240 - 0x5748ab2f, 0xbc946e79, 0xc6a376d2, 0x6549c2c8, 241 - 0x530ff8ee, 0x468dde7d, 0xd5730a1d, 0x4cd04dc6, 242 - 0x2939bbdb, 0xa9ba4650, 0xac9526e8, 0xbe5ee304, 243 - 0xa1fad5f0, 0x6a2d519a, 0x63ef8ce2, 0x9a86ee22, 244 - 0xc089c2b8, 0x43242ef6, 0xa51e03aa, 0x9cf2d0a4, 245 - 0x83c061ba, 0x9be96a4d, 0x8fe51550, 0xba645bd6, 246 - 0x2826a2f9, 0xa73a3ae1, 0x4ba99586, 0xef5562e9, 247 - 0xc72fefd3, 0xf752f7da, 0x3f046f69, 0x77fa0a59, 248 - 0x80e4a915, 0x87b08601, 0x9b09e6ad, 0x3b3ee593, 249 - 0xe990fd5a, 0x9e34d797, 0x2cf0b7d9, 0x022b8b51, 250 - 0x96d5ac3a, 0x017da67d, 0xd1cf3ed6, 0x7c7d2d28, 251 - 0x1f9f25cf, 0xadf2b89b, 0x5ad6b472, 0x5a88f54c, 252 - 0xe029ac71, 0xe019a5e6, 0x47b0acfd, 0xed93fa9b, 253 - 0xe8d3c48d, 0x283b57cc, 0xf8d56629, 0x79132e28, 254 - 0x785f0191, 0xed756055, 0xf7960e44, 0xe3d35e8c, 255 - 0x15056dd4, 0x88f46dba, 0x03a16125, 0x0564f0bd, 256 - 0xc3eb9e15, 0x3c9057a2, 0x97271aec, 0xa93a072a, 257 - 0x1b3f6d9b, 0x1e6321f5, 0xf59c66fb, 0x26dcf319, 258 - 0x7533d928, 0xb155fdf5, 0x03563482, 0x8aba3cbb, 259 - 0x28517711, 0xc20ad9f8, 0xabcc5167, 0xccad925f, 260 - 0x4de81751, 0x3830dc8e, 0x379d5862, 0x9320f991, 261 - 0xea7a90c2, 0xfb3e7bce, 0x5121ce64, 0x774fbe32, 262 - 0xa8b6e37e, 0xc3293d46, 0x48de5369, 0x6413e680, 263 - 0xa2ae0810, 0xdd6db224, 0x69852dfd, 0x09072166, 264 - 0xb39a460a, 0x6445c0dd, 0x586cdecf, 0x1c20c8ae, 265 - 0x5bbef7dd, 0x1b588d40, 0xccd2017f, 0x6bb4e3bb, 266 - 0xdda26a7e, 0x3a59ff45, 0x3e350a44, 0xbcb4cdd5, 267 - 0x72eacea8, 0xfa6484bb, 0x8d6612ae, 0xbf3c6f47, 268 - 0xd29be463, 0x542f5d9e, 0xaec2771b, 0xf64e6370, 269 - 0x740e0d8d, 0xe75b1357, 0xf8721671, 0xaf537d5d, 270 - 0x4040cb08, 0x4eb4e2cc, 0x34d2466a, 0x0115af84, 271 - 0xe1b00428, 0x95983a1d, 0x06b89fb4, 0xce6ea048, 272 - 0x6f3f3b82, 0x3520ab82, 0x011a1d4b, 0x277227f8, 273 - 0x611560b1, 0xe7933fdc, 0xbb3a792b, 0x344525bd, 274 - 0xa08839e1, 0x51ce794b, 0x2f32c9b7, 0xa01fbac9, 275 - 0xe01cc87e, 0xbcc7d1f6, 0xcf0111c3, 0xa1e8aac7, 276 - 0x1a908749, 0xd44fbd9a, 0xd0dadecb, 0xd50ada38, 277 - 0x0339c32a, 0xc6913667, 0x8df9317c, 0xe0b12b4f, 278 - 0xf79e59b7, 0x43f5bb3a, 0xf2d519ff, 0x27d9459c, 279 - 0xbf97222c, 0x15e6fc2a, 0x0f91fc71, 0x9b941525, 280 - 0xfae59361, 0xceb69ceb, 0xc2a86459, 0x12baa8d1, 281 - 0xb6c1075e, 0xe3056a0c, 0x10d25065, 0xcb03a442, 282 - 0xe0ec6e0e, 0x1698db3b, 0x4c98a0be, 0x3278e964, 283 - 0x9f1f9532, 0xe0d392df, 0xd3a0342b, 0x8971f21e, 284 - 0x1b0a7441, 0x4ba3348c, 0xc5be7120, 0xc37632d8, 285 - 0xdf359f8d, 0x9b992f2e, 0xe60b6f47, 0x0fe3f11d, 286 - 0xe54cda54, 0x1edad891, 0xce6279cf, 0xcd3e7e6f, 287 - 0x1618b166, 0xfd2c1d05, 0x848fd2c5, 0xf6fb2299, 288 - 0xf523f357, 0xa6327623, 0x93a83531, 0x56cccd02, 289 - 0xacf08162, 0x5a75ebb5, 0x6e163697, 0x88d273cc, 290 - 0xde966292, 0x81b949d0, 0x4c50901b, 0x71c65614, 291 - 0xe6c6c7bd, 0x327a140a, 0x45e1d006, 0xc3f27b9a, 292 - 0xc9aa53fd, 0x62a80f00, 0xbb25bfe2, 0x35bdd2f6, 293 - 0x71126905, 0xb2040222, 0xb6cbcf7c, 0xcd769c2b, 294 - 0x53113ec0, 0x1640e3d3, 0x38abbd60, 0x2547adf0, 295 - 0xba38209c, 0xf746ce76, 0x77afa1c5, 0x20756060, 296 - 0x85cbfe4e, 0x8ae88dd8, 0x7aaaf9b0, 0x4cf9aa7e, 297 - 0x1948c25c, 0x02fb8a8c, 0x01c36ae4, 0xd6ebe1f9, 298 - 0x90d4f869, 0xa65cdea0, 0x3f09252d, 0xc208e69f, 299 - 0xb74e6132, 0xce77e25b, 0x578fdfe3, 0x3ac372e6, 300 - }; 25 + #include <crypto/blowfish.h> 301 26 302 27 /* 303 28 * Round loop unrolling macros, S is a pointer to a S-Box array ··· 38 313 39 314 #define ROUND(a, b, n) b ^= P[n]; a ^= bf_F (b) 40 315 41 - /* 42 - * The blowfish encipher, processes 64-bit blocks. 43 - * NOTE: This function MUSTN'T respect endianess 44 - */ 45 - static void encrypt_block(struct bf_ctx *bctx, u32 *dst, u32 *src) 316 + static void bf_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) 46 317 { 47 - const u32 *P = bctx->p; 48 - const u32 *S = bctx->s; 49 - u32 yl = src[0]; 50 - u32 yr = src[1]; 318 + struct bf_ctx *ctx = crypto_tfm_ctx(tfm); 319 + const __be32 *in_blk = (const __be32 *)src; 320 + __be32 *const out_blk = (__be32 *)dst; 321 + const u32 *P = ctx->p; 322 + const u32 *S = ctx->s; 323 + u32 yl = be32_to_cpu(in_blk[0]); 324 + u32 yr = be32_to_cpu(in_blk[1]); 51 325 52 326 ROUND(yr, yl, 0); 53 327 ROUND(yl, yr, 1); ··· 68 344 yl ^= P[16]; 69 345 yr ^= P[17]; 70 346 71 - dst[0] = yr; 72 - dst[1] = yl; 73 - } 74 - 75 - static void bf_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) 76 - { 77 - const __be32 *in_blk = (const __be32 *)src; 78 - __be32 *const out_blk = (__be32 *)dst; 79 - u32 in32[2], out32[2]; 80 - 81 - in32[0] = be32_to_cpu(in_blk[0]); 82 - in32[1] = be32_to_cpu(in_blk[1]); 83 - encrypt_block(crypto_tfm_ctx(tfm), out32, in32); 84 - out_blk[0] = cpu_to_be32(out32[0]); 85 - out_blk[1] = cpu_to_be32(out32[1]); 347 + out_blk[0] = cpu_to_be32(yr); 348 + out_blk[1] = cpu_to_be32(yl); 86 349 } 87 350 88 351 static void bf_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) ··· 106 395 out_blk[1] = cpu_to_be32(yl); 107 396 } 108 397 109 - /* 110 - * Calculates the blowfish S and P boxes for encryption and decryption. 111 - */ 112 - static int bf_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) 113 - { 114 - struct bf_ctx *ctx = crypto_tfm_ctx(tfm); 115 - u32 *P = ctx->p; 116 - u32 *S = ctx->s; 117 - short i, j, count; 118 - u32 data[2], temp; 119 - 120 - /* Copy the initialization s-boxes */ 121 - for (i = 0, count = 0; i < 256; i++) 122 - for (j = 0; j < 4; j++, count++) 123 - S[count] = bf_sbox[count]; 124 - 125 - /* Set the p-boxes */ 126 - for (i = 0; i < 16 + 2; i++) 127 - P[i] = bf_pbox[i]; 128 - 129 - /* Actual subkey generation */ 130 - for (j = 0, i = 0; i < 16 + 2; i++) { 131 - temp = (((u32)key[j] << 24) | 132 - ((u32)key[(j + 1) % keylen] << 16) | 133 - ((u32)key[(j + 2) % keylen] << 8) | 134 - ((u32)key[(j + 3) % keylen])); 135 - 136 - P[i] = P[i] ^ temp; 137 - j = (j + 4) % keylen; 138 - } 139 - 140 - data[0] = 0x00000000; 141 - data[1] = 0x00000000; 142 - 143 - for (i = 0; i < 16 + 2; i += 2) { 144 - encrypt_block((struct bf_ctx *)ctx, data, data); 145 - 146 - P[i] = data[0]; 147 - P[i + 1] = data[1]; 148 - } 149 - 150 - for (i = 0; i < 4; i++) { 151 - for (j = 0, count = i * 256; j < 256; j += 2, count += 2) { 152 - encrypt_block((struct bf_ctx *)ctx, data, data); 153 - 154 - S[count] = data[0]; 155 - S[count + 1] = data[1]; 156 - } 157 - } 158 - 159 - /* Bruce says not to bother with the weak key check. */ 160 - return 0; 161 - } 162 - 163 398 static struct crypto_alg alg = { 164 399 .cra_name = "blowfish", 165 400 .cra_flags = CRYPTO_ALG_TYPE_CIPHER, ··· 117 460 .cra_u = { .cipher = { 118 461 .cia_min_keysize = BF_MIN_KEY_SIZE, 119 462 .cia_max_keysize = BF_MAX_KEY_SIZE, 120 - .cia_setkey = bf_setkey, 463 + .cia_setkey = blowfish_setkey, 121 464 .cia_encrypt = bf_encrypt, 122 465 .cia_decrypt = bf_decrypt } } 123 466 };

+402

crypto/blowfish_common.c

··· 1 + /* 2 + * Cryptographic API. 3 + * 4 + * Common Blowfish algorithm parts shared between the c and assembler 5 + * implementations. 6 + * 7 + * Blowfish Cipher Algorithm, by Bruce Schneier. 8 + * http://www.counterpane.com/blowfish.html 9 + * 10 + * Adapted from Kerneli implementation. 11 + * 12 + * Copyright (c) Herbert Valerio Riedel <hvr@hvrlab.org> 13 + * Copyright (c) Kyle McMartin <kyle@debian.org> 14 + * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> 15 + * 16 + * This program is free software; you can redistribute it and/or modify 17 + * it under the terms of the GNU General Public License as published by 18 + * the Free Software Foundation; either version 2 of the License, or 19 + * (at your option) any later version. 20 + * 21 + */ 22 + #include <linux/init.h> 23 + #include <linux/module.h> 24 + #include <linux/mm.h> 25 + #include <asm/byteorder.h> 26 + #include <linux/crypto.h> 27 + #include <linux/types.h> 28 + #include <crypto/blowfish.h> 29 + 30 + static const u32 bf_pbox[16 + 2] = { 31 + 0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344, 32 + 0xa4093822, 0x299f31d0, 0x082efa98, 0xec4e6c89, 33 + 0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c, 34 + 0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917, 35 + 0x9216d5d9, 0x8979fb1b, 36 + }; 37 + 38 + static const u32 bf_sbox[256 * 4] = { 39 + 0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, 0xd01adfb7, 40 + 0xb8e1afed, 0x6a267e96, 0xba7c9045, 0xf12c7f99, 41 + 0x24a19947, 0xb3916cf7, 0x0801f2e2, 0x858efc16, 42 + 0x636920d8, 0x71574e69, 0xa458fea3, 0xf4933d7e, 43 + 0x0d95748f, 0x728eb658, 0x718bcd58, 0x82154aee, 44 + 0x7b54a41d, 0xc25a59b5, 0x9c30d539, 0x2af26013, 45 + 0xc5d1b023, 0x286085f0, 0xca417918, 0xb8db38ef, 46 + 0x8e79dcb0, 0x603a180e, 0x6c9e0e8b, 0xb01e8a3e, 47 + 0xd71577c1, 0xbd314b27, 0x78af2fda, 0x55605c60, 48 + 0xe65525f3, 0xaa55ab94, 0x57489862, 0x63e81440, 49 + 0x55ca396a, 0x2aab10b6, 0xb4cc5c34, 0x1141e8ce, 50 + 0xa15486af, 0x7c72e993, 0xb3ee1411, 0x636fbc2a, 51 + 0x2ba9c55d, 0x741831f6, 0xce5c3e16, 0x9b87931e, 52 + 0xafd6ba33, 0x6c24cf5c, 0x7a325381, 0x28958677, 53 + 0x3b8f4898, 0x6b4bb9af, 0xc4bfe81b, 0x66282193, 54 + 0x61d809cc, 0xfb21a991, 0x487cac60, 0x5dec8032, 55 + 0xef845d5d, 0xe98575b1, 0xdc262302, 0xeb651b88, 56 + 0x23893e81, 0xd396acc5, 0x0f6d6ff3, 0x83f44239, 57 + 0x2e0b4482, 0xa4842004, 0x69c8f04a, 0x9e1f9b5e, 58 + 0x21c66842, 0xf6e96c9a, 0x670c9c61, 0xabd388f0, 59 + 0x6a51a0d2, 0xd8542f68, 0x960fa728, 0xab5133a3, 60 + 0x6eef0b6c, 0x137a3be4, 0xba3bf050, 0x7efb2a98, 61 + 0xa1f1651d, 0x39af0176, 0x66ca593e, 0x82430e88, 62 + 0x8cee8619, 0x456f9fb4, 0x7d84a5c3, 0x3b8b5ebe, 63 + 0xe06f75d8, 0x85c12073, 0x401a449f, 0x56c16aa6, 64 + 0x4ed3aa62, 0x363f7706, 0x1bfedf72, 0x429b023d, 65 + 0x37d0d724, 0xd00a1248, 0xdb0fead3, 0x49f1c09b, 66 + 0x075372c9, 0x80991b7b, 0x25d479d8, 0xf6e8def7, 67 + 0xe3fe501a, 0xb6794c3b, 0x976ce0bd, 0x04c006ba, 68 + 0xc1a94fb6, 0x409f60c4, 0x5e5c9ec2, 0x196a2463, 69 + 0x68fb6faf, 0x3e6c53b5, 0x1339b2eb, 0x3b52ec6f, 70 + 0x6dfc511f, 0x9b30952c, 0xcc814544, 0xaf5ebd09, 71 + 0xbee3d004, 0xde334afd, 0x660f2807, 0x192e4bb3, 72 + 0xc0cba857, 0x45c8740f, 0xd20b5f39, 0xb9d3fbdb, 73 + 0x5579c0bd, 0x1a60320a, 0xd6a100c6, 0x402c7279, 74 + 0x679f25fe, 0xfb1fa3cc, 0x8ea5e9f8, 0xdb3222f8, 75 + 0x3c7516df, 0xfd616b15, 0x2f501ec8, 0xad0552ab, 76 + 0x323db5fa, 0xfd238760, 0x53317b48, 0x3e00df82, 77 + 0x9e5c57bb, 0xca6f8ca0, 0x1a87562e, 0xdf1769db, 78 + 0xd542a8f6, 0x287effc3, 0xac6732c6, 0x8c4f5573, 79 + 0x695b27b0, 0xbbca58c8, 0xe1ffa35d, 0xb8f011a0, 80 + 0x10fa3d98, 0xfd2183b8, 0x4afcb56c, 0x2dd1d35b, 81 + 0x9a53e479, 0xb6f84565, 0xd28e49bc, 0x4bfb9790, 82 + 0xe1ddf2da, 0xa4cb7e33, 0x62fb1341, 0xcee4c6e8, 83 + 0xef20cada, 0x36774c01, 0xd07e9efe, 0x2bf11fb4, 84 + 0x95dbda4d, 0xae909198, 0xeaad8e71, 0x6b93d5a0, 85 + 0xd08ed1d0, 0xafc725e0, 0x8e3c5b2f, 0x8e7594b7, 86 + 0x8ff6e2fb, 0xf2122b64, 0x8888b812, 0x900df01c, 87 + 0x4fad5ea0, 0x688fc31c, 0xd1cff191, 0xb3a8c1ad, 88 + 0x2f2f2218, 0xbe0e1777, 0xea752dfe, 0x8b021fa1, 89 + 0xe5a0cc0f, 0xb56f74e8, 0x18acf3d6, 0xce89e299, 90 + 0xb4a84fe0, 0xfd13e0b7, 0x7cc43b81, 0xd2ada8d9, 91 + 0x165fa266, 0x80957705, 0x93cc7314, 0x211a1477, 92 + 0xe6ad2065, 0x77b5fa86, 0xc75442f5, 0xfb9d35cf, 93 + 0xebcdaf0c, 0x7b3e89a0, 0xd6411bd3, 0xae1e7e49, 94 + 0x00250e2d, 0x2071b35e, 0x226800bb, 0x57b8e0af, 95 + 0x2464369b, 0xf009b91e, 0x5563911d, 0x59dfa6aa, 96 + 0x78c14389, 0xd95a537f, 0x207d5ba2, 0x02e5b9c5, 97 + 0x83260376, 0x6295cfa9, 0x11c81968, 0x4e734a41, 98 + 0xb3472dca, 0x7b14a94a, 0x1b510052, 0x9a532915, 99 + 0xd60f573f, 0xbc9bc6e4, 0x2b60a476, 0x81e67400, 100 + 0x08ba6fb5, 0x571be91f, 0xf296ec6b, 0x2a0dd915, 101 + 0xb6636521, 0xe7b9f9b6, 0xff34052e, 0xc5855664, 102 + 0x53b02d5d, 0xa99f8fa1, 0x08ba4799, 0x6e85076a, 103 + 0x4b7a70e9, 0xb5b32944, 0xdb75092e, 0xc4192623, 104 + 0xad6ea6b0, 0x49a7df7d, 0x9cee60b8, 0x8fedb266, 105 + 0xecaa8c71, 0x699a17ff, 0x5664526c, 0xc2b19ee1, 106 + 0x193602a5, 0x75094c29, 0xa0591340, 0xe4183a3e, 107 + 0x3f54989a, 0x5b429d65, 0x6b8fe4d6, 0x99f73fd6, 108 + 0xa1d29c07, 0xefe830f5, 0x4d2d38e6, 0xf0255dc1, 109 + 0x4cdd2086, 0x8470eb26, 0x6382e9c6, 0x021ecc5e, 110 + 0x09686b3f, 0x3ebaefc9, 0x3c971814, 0x6b6a70a1, 111 + 0x687f3584, 0x52a0e286, 0xb79c5305, 0xaa500737, 112 + 0x3e07841c, 0x7fdeae5c, 0x8e7d44ec, 0x5716f2b8, 113 + 0xb03ada37, 0xf0500c0d, 0xf01c1f04, 0x0200b3ff, 114 + 0xae0cf51a, 0x3cb574b2, 0x25837a58, 0xdc0921bd, 115 + 0xd19113f9, 0x7ca92ff6, 0x94324773, 0x22f54701, 116 + 0x3ae5e581, 0x37c2dadc, 0xc8b57634, 0x9af3dda7, 117 + 0xa9446146, 0x0fd0030e, 0xecc8c73e, 0xa4751e41, 118 + 0xe238cd99, 0x3bea0e2f, 0x3280bba1, 0x183eb331, 119 + 0x4e548b38, 0x4f6db908, 0x6f420d03, 0xf60a04bf, 120 + 0x2cb81290, 0x24977c79, 0x5679b072, 0xbcaf89af, 121 + 0xde9a771f, 0xd9930810, 0xb38bae12, 0xdccf3f2e, 122 + 0x5512721f, 0x2e6b7124, 0x501adde6, 0x9f84cd87, 123 + 0x7a584718, 0x7408da17, 0xbc9f9abc, 0xe94b7d8c, 124 + 0xec7aec3a, 0xdb851dfa, 0x63094366, 0xc464c3d2, 125 + 0xef1c1847, 0x3215d908, 0xdd433b37, 0x24c2ba16, 126 + 0x12a14d43, 0x2a65c451, 0x50940002, 0x133ae4dd, 127 + 0x71dff89e, 0x10314e55, 0x81ac77d6, 0x5f11199b, 128 + 0x043556f1, 0xd7a3c76b, 0x3c11183b, 0x5924a509, 129 + 0xf28fe6ed, 0x97f1fbfa, 0x9ebabf2c, 0x1e153c6e, 130 + 0x86e34570, 0xeae96fb1, 0x860e5e0a, 0x5a3e2ab3, 131 + 0x771fe71c, 0x4e3d06fa, 0x2965dcb9, 0x99e71d0f, 132 + 0x803e89d6, 0x5266c825, 0x2e4cc978, 0x9c10b36a, 133 + 0xc6150eba, 0x94e2ea78, 0xa5fc3c53, 0x1e0a2df4, 134 + 0xf2f74ea7, 0x361d2b3d, 0x1939260f, 0x19c27960, 135 + 0x5223a708, 0xf71312b6, 0xebadfe6e, 0xeac31f66, 136 + 0xe3bc4595, 0xa67bc883, 0xb17f37d1, 0x018cff28, 137 + 0xc332ddef, 0xbe6c5aa5, 0x65582185, 0x68ab9802, 138 + 0xeecea50f, 0xdb2f953b, 0x2aef7dad, 0x5b6e2f84, 139 + 0x1521b628, 0x29076170, 0xecdd4775, 0x619f1510, 140 + 0x13cca830, 0xeb61bd96, 0x0334fe1e, 0xaa0363cf, 141 + 0xb5735c90, 0x4c70a239, 0xd59e9e0b, 0xcbaade14, 142 + 0xeecc86bc, 0x60622ca7, 0x9cab5cab, 0xb2f3846e, 143 + 0x648b1eaf, 0x19bdf0ca, 0xa02369b9, 0x655abb50, 144 + 0x40685a32, 0x3c2ab4b3, 0x319ee9d5, 0xc021b8f7, 145 + 0x9b540b19, 0x875fa099, 0x95f7997e, 0x623d7da8, 146 + 0xf837889a, 0x97e32d77, 0x11ed935f, 0x16681281, 147 + 0x0e358829, 0xc7e61fd6, 0x96dedfa1, 0x7858ba99, 148 + 0x57f584a5, 0x1b227263, 0x9b83c3ff, 0x1ac24696, 149 + 0xcdb30aeb, 0x532e3054, 0x8fd948e4, 0x6dbc3128, 150 + 0x58ebf2ef, 0x34c6ffea, 0xfe28ed61, 0xee7c3c73, 151 + 0x5d4a14d9, 0xe864b7e3, 0x42105d14, 0x203e13e0, 152 + 0x45eee2b6, 0xa3aaabea, 0xdb6c4f15, 0xfacb4fd0, 153 + 0xc742f442, 0xef6abbb5, 0x654f3b1d, 0x41cd2105, 154 + 0xd81e799e, 0x86854dc7, 0xe44b476a, 0x3d816250, 155 + 0xcf62a1f2, 0x5b8d2646, 0xfc8883a0, 0xc1c7b6a3, 156 + 0x7f1524c3, 0x69cb7492, 0x47848a0b, 0x5692b285, 157 + 0x095bbf00, 0xad19489d, 0x1462b174, 0x23820e00, 158 + 0x58428d2a, 0x0c55f5ea, 0x1dadf43e, 0x233f7061, 159 + 0x3372f092, 0x8d937e41, 0xd65fecf1, 0x6c223bdb, 160 + 0x7cde3759, 0xcbee7460, 0x4085f2a7, 0xce77326e, 161 + 0xa6078084, 0x19f8509e, 0xe8efd855, 0x61d99735, 162 + 0xa969a7aa, 0xc50c06c2, 0x5a04abfc, 0x800bcadc, 163 + 0x9e447a2e, 0xc3453484, 0xfdd56705, 0x0e1e9ec9, 164 + 0xdb73dbd3, 0x105588cd, 0x675fda79, 0xe3674340, 165 + 0xc5c43465, 0x713e38d8, 0x3d28f89e, 0xf16dff20, 166 + 0x153e21e7, 0x8fb03d4a, 0xe6e39f2b, 0xdb83adf7, 167 + 0xe93d5a68, 0x948140f7, 0xf64c261c, 0x94692934, 168 + 0x411520f7, 0x7602d4f7, 0xbcf46b2e, 0xd4a20068, 169 + 0xd4082471, 0x3320f46a, 0x43b7d4b7, 0x500061af, 170 + 0x1e39f62e, 0x97244546, 0x14214f74, 0xbf8b8840, 171 + 0x4d95fc1d, 0x96b591af, 0x70f4ddd3, 0x66a02f45, 172 + 0xbfbc09ec, 0x03bd9785, 0x7fac6dd0, 0x31cb8504, 173 + 0x96eb27b3, 0x55fd3941, 0xda2547e6, 0xabca0a9a, 174 + 0x28507825, 0x530429f4, 0x0a2c86da, 0xe9b66dfb, 175 + 0x68dc1462, 0xd7486900, 0x680ec0a4, 0x27a18dee, 176 + 0x4f3ffea2, 0xe887ad8c, 0xb58ce006, 0x7af4d6b6, 177 + 0xaace1e7c, 0xd3375fec, 0xce78a399, 0x406b2a42, 178 + 0x20fe9e35, 0xd9f385b9, 0xee39d7ab, 0x3b124e8b, 179 + 0x1dc9faf7, 0x4b6d1856, 0x26a36631, 0xeae397b2, 180 + 0x3a6efa74, 0xdd5b4332, 0x6841e7f7, 0xca7820fb, 181 + 0xfb0af54e, 0xd8feb397, 0x454056ac, 0xba489527, 182 + 0x55533a3a, 0x20838d87, 0xfe6ba9b7, 0xd096954b, 183 + 0x55a867bc, 0xa1159a58, 0xcca92963, 0x99e1db33, 184 + 0xa62a4a56, 0x3f3125f9, 0x5ef47e1c, 0x9029317c, 185 + 0xfdf8e802, 0x04272f70, 0x80bb155c, 0x05282ce3, 186 + 0x95c11548, 0xe4c66d22, 0x48c1133f, 0xc70f86dc, 187 + 0x07f9c9ee, 0x41041f0f, 0x404779a4, 0x5d886e17, 188 + 0x325f51eb, 0xd59bc0d1, 0xf2bcc18f, 0x41113564, 189 + 0x257b7834, 0x602a9c60, 0xdff8e8a3, 0x1f636c1b, 190 + 0x0e12b4c2, 0x02e1329e, 0xaf664fd1, 0xcad18115, 191 + 0x6b2395e0, 0x333e92e1, 0x3b240b62, 0xeebeb922, 192 + 0x85b2a20e, 0xe6ba0d99, 0xde720c8c, 0x2da2f728, 193 + 0xd0127845, 0x95b794fd, 0x647d0862, 0xe7ccf5f0, 194 + 0x5449a36f, 0x877d48fa, 0xc39dfd27, 0xf33e8d1e, 195 + 0x0a476341, 0x992eff74, 0x3a6f6eab, 0xf4f8fd37, 196 + 0xa812dc60, 0xa1ebddf8, 0x991be14c, 0xdb6e6b0d, 197 + 0xc67b5510, 0x6d672c37, 0x2765d43b, 0xdcd0e804, 198 + 0xf1290dc7, 0xcc00ffa3, 0xb5390f92, 0x690fed0b, 199 + 0x667b9ffb, 0xcedb7d9c, 0xa091cf0b, 0xd9155ea3, 200 + 0xbb132f88, 0x515bad24, 0x7b9479bf, 0x763bd6eb, 201 + 0x37392eb3, 0xcc115979, 0x8026e297, 0xf42e312d, 202 + 0x6842ada7, 0xc66a2b3b, 0x12754ccc, 0x782ef11c, 203 + 0x6a124237, 0xb79251e7, 0x06a1bbe6, 0x4bfb6350, 204 + 0x1a6b1018, 0x11caedfa, 0x3d25bdd8, 0xe2e1c3c9, 205 + 0x44421659, 0x0a121386, 0xd90cec6e, 0xd5abea2a, 206 + 0x64af674e, 0xda86a85f, 0xbebfe988, 0x64e4c3fe, 207 + 0x9dbc8057, 0xf0f7c086, 0x60787bf8, 0x6003604d, 208 + 0xd1fd8346, 0xf6381fb0, 0x7745ae04, 0xd736fccc, 209 + 0x83426b33, 0xf01eab71, 0xb0804187, 0x3c005e5f, 210 + 0x77a057be, 0xbde8ae24, 0x55464299, 0xbf582e61, 211 + 0x4e58f48f, 0xf2ddfda2, 0xf474ef38, 0x8789bdc2, 212 + 0x5366f9c3, 0xc8b38e74, 0xb475f255, 0x46fcd9b9, 213 + 0x7aeb2661, 0x8b1ddf84, 0x846a0e79, 0x915f95e2, 214 + 0x466e598e, 0x20b45770, 0x8cd55591, 0xc902de4c, 215 + 0xb90bace1, 0xbb8205d0, 0x11a86248, 0x7574a99e, 216 + 0xb77f19b6, 0xe0a9dc09, 0x662d09a1, 0xc4324633, 217 + 0xe85a1f02, 0x09f0be8c, 0x4a99a025, 0x1d6efe10, 218 + 0x1ab93d1d, 0x0ba5a4df, 0xa186f20f, 0x2868f169, 219 + 0xdcb7da83, 0x573906fe, 0xa1e2ce9b, 0x4fcd7f52, 220 + 0x50115e01, 0xa70683fa, 0xa002b5c4, 0x0de6d027, 221 + 0x9af88c27, 0x773f8641, 0xc3604c06, 0x61a806b5, 222 + 0xf0177a28, 0xc0f586e0, 0x006058aa, 0x30dc7d62, 223 + 0x11e69ed7, 0x2338ea63, 0x53c2dd94, 0xc2c21634, 224 + 0xbbcbee56, 0x90bcb6de, 0xebfc7da1, 0xce591d76, 225 + 0x6f05e409, 0x4b7c0188, 0x39720a3d, 0x7c927c24, 226 + 0x86e3725f, 0x724d9db9, 0x1ac15bb4, 0xd39eb8fc, 227 + 0xed545578, 0x08fca5b5, 0xd83d7cd3, 0x4dad0fc4, 228 + 0x1e50ef5e, 0xb161e6f8, 0xa28514d9, 0x6c51133c, 229 + 0x6fd5c7e7, 0x56e14ec4, 0x362abfce, 0xddc6c837, 230 + 0xd79a3234, 0x92638212, 0x670efa8e, 0x406000e0, 231 + 0x3a39ce37, 0xd3faf5cf, 0xabc27737, 0x5ac52d1b, 232 + 0x5cb0679e, 0x4fa33742, 0xd3822740, 0x99bc9bbe, 233 + 0xd5118e9d, 0xbf0f7315, 0xd62d1c7e, 0xc700c47b, 234 + 0xb78c1b6b, 0x21a19045, 0xb26eb1be, 0x6a366eb4, 235 + 0x5748ab2f, 0xbc946e79, 0xc6a376d2, 0x6549c2c8, 236 + 0x530ff8ee, 0x468dde7d, 0xd5730a1d, 0x4cd04dc6, 237 + 0x2939bbdb, 0xa9ba4650, 0xac9526e8, 0xbe5ee304, 238 + 0xa1fad5f0, 0x6a2d519a, 0x63ef8ce2, 0x9a86ee22, 239 + 0xc089c2b8, 0x43242ef6, 0xa51e03aa, 0x9cf2d0a4, 240 + 0x83c061ba, 0x9be96a4d, 0x8fe51550, 0xba645bd6, 241 + 0x2826a2f9, 0xa73a3ae1, 0x4ba99586, 0xef5562e9, 242 + 0xc72fefd3, 0xf752f7da, 0x3f046f69, 0x77fa0a59, 243 + 0x80e4a915, 0x87b08601, 0x9b09e6ad, 0x3b3ee593, 244 + 0xe990fd5a, 0x9e34d797, 0x2cf0b7d9, 0x022b8b51, 245 + 0x96d5ac3a, 0x017da67d, 0xd1cf3ed6, 0x7c7d2d28, 246 + 0x1f9f25cf, 0xadf2b89b, 0x5ad6b472, 0x5a88f54c, 247 + 0xe029ac71, 0xe019a5e6, 0x47b0acfd, 0xed93fa9b, 248 + 0xe8d3c48d, 0x283b57cc, 0xf8d56629, 0x79132e28, 249 + 0x785f0191, 0xed756055, 0xf7960e44, 0xe3d35e8c, 250 + 0x15056dd4, 0x88f46dba, 0x03a16125, 0x0564f0bd, 251 + 0xc3eb9e15, 0x3c9057a2, 0x97271aec, 0xa93a072a, 252 + 0x1b3f6d9b, 0x1e6321f5, 0xf59c66fb, 0x26dcf319, 253 + 0x7533d928, 0xb155fdf5, 0x03563482, 0x8aba3cbb, 254 + 0x28517711, 0xc20ad9f8, 0xabcc5167, 0xccad925f, 255 + 0x4de81751, 0x3830dc8e, 0x379d5862, 0x9320f991, 256 + 0xea7a90c2, 0xfb3e7bce, 0x5121ce64, 0x774fbe32, 257 + 0xa8b6e37e, 0xc3293d46, 0x48de5369, 0x6413e680, 258 + 0xa2ae0810, 0xdd6db224, 0x69852dfd, 0x09072166, 259 + 0xb39a460a, 0x6445c0dd, 0x586cdecf, 0x1c20c8ae, 260 + 0x5bbef7dd, 0x1b588d40, 0xccd2017f, 0x6bb4e3bb, 261 + 0xdda26a7e, 0x3a59ff45, 0x3e350a44, 0xbcb4cdd5, 262 + 0x72eacea8, 0xfa6484bb, 0x8d6612ae, 0xbf3c6f47, 263 + 0xd29be463, 0x542f5d9e, 0xaec2771b, 0xf64e6370, 264 + 0x740e0d8d, 0xe75b1357, 0xf8721671, 0xaf537d5d, 265 + 0x4040cb08, 0x4eb4e2cc, 0x34d2466a, 0x0115af84, 266 + 0xe1b00428, 0x95983a1d, 0x06b89fb4, 0xce6ea048, 267 + 0x6f3f3b82, 0x3520ab82, 0x011a1d4b, 0x277227f8, 268 + 0x611560b1, 0xe7933fdc, 0xbb3a792b, 0x344525bd, 269 + 0xa08839e1, 0x51ce794b, 0x2f32c9b7, 0xa01fbac9, 270 + 0xe01cc87e, 0xbcc7d1f6, 0xcf0111c3, 0xa1e8aac7, 271 + 0x1a908749, 0xd44fbd9a, 0xd0dadecb, 0xd50ada38, 272 + 0x0339c32a, 0xc6913667, 0x8df9317c, 0xe0b12b4f, 273 + 0xf79e59b7, 0x43f5bb3a, 0xf2d519ff, 0x27d9459c, 274 + 0xbf97222c, 0x15e6fc2a, 0x0f91fc71, 0x9b941525, 275 + 0xfae59361, 0xceb69ceb, 0xc2a86459, 0x12baa8d1, 276 + 0xb6c1075e, 0xe3056a0c, 0x10d25065, 0xcb03a442, 277 + 0xe0ec6e0e, 0x1698db3b, 0x4c98a0be, 0x3278e964, 278 + 0x9f1f9532, 0xe0d392df, 0xd3a0342b, 0x8971f21e, 279 + 0x1b0a7441, 0x4ba3348c, 0xc5be7120, 0xc37632d8, 280 + 0xdf359f8d, 0x9b992f2e, 0xe60b6f47, 0x0fe3f11d, 281 + 0xe54cda54, 0x1edad891, 0xce6279cf, 0xcd3e7e6f, 282 + 0x1618b166, 0xfd2c1d05, 0x848fd2c5, 0xf6fb2299, 283 + 0xf523f357, 0xa6327623, 0x93a83531, 0x56cccd02, 284 + 0xacf08162, 0x5a75ebb5, 0x6e163697, 0x88d273cc, 285 + 0xde966292, 0x81b949d0, 0x4c50901b, 0x71c65614, 286 + 0xe6c6c7bd, 0x327a140a, 0x45e1d006, 0xc3f27b9a, 287 + 0xc9aa53fd, 0x62a80f00, 0xbb25bfe2, 0x35bdd2f6, 288 + 0x71126905, 0xb2040222, 0xb6cbcf7c, 0xcd769c2b, 289 + 0x53113ec0, 0x1640e3d3, 0x38abbd60, 0x2547adf0, 290 + 0xba38209c, 0xf746ce76, 0x77afa1c5, 0x20756060, 291 + 0x85cbfe4e, 0x8ae88dd8, 0x7aaaf9b0, 0x4cf9aa7e, 292 + 0x1948c25c, 0x02fb8a8c, 0x01c36ae4, 0xd6ebe1f9, 293 + 0x90d4f869, 0xa65cdea0, 0x3f09252d, 0xc208e69f, 294 + 0xb74e6132, 0xce77e25b, 0x578fdfe3, 0x3ac372e6, 295 + }; 296 + 297 + /* 298 + * Round loop unrolling macros, S is a pointer to a S-Box array 299 + * organized in 4 unsigned longs at a row. 300 + */ 301 + #define GET32_3(x) (((x) & 0xff)) 302 + #define GET32_2(x) (((x) >> (8)) & (0xff)) 303 + #define GET32_1(x) (((x) >> (16)) & (0xff)) 304 + #define GET32_0(x) (((x) >> (24)) & (0xff)) 305 + 306 + #define bf_F(x) (((S[GET32_0(x)] + S[256 + GET32_1(x)]) ^ \ 307 + S[512 + GET32_2(x)]) + S[768 + GET32_3(x)]) 308 + 309 + #define ROUND(a, b, n) ({ b ^= P[n]; a ^= bf_F(b); }) 310 + 311 + /* 312 + * The blowfish encipher, processes 64-bit blocks. 313 + * NOTE: This function MUSTN'T respect endianess 314 + */ 315 + static void encrypt_block(struct bf_ctx *bctx, u32 *dst, u32 *src) 316 + { 317 + const u32 *P = bctx->p; 318 + const u32 *S = bctx->s; 319 + u32 yl = src[0]; 320 + u32 yr = src[1]; 321 + 322 + ROUND(yr, yl, 0); 323 + ROUND(yl, yr, 1); 324 + ROUND(yr, yl, 2); 325 + ROUND(yl, yr, 3); 326 + ROUND(yr, yl, 4); 327 + ROUND(yl, yr, 5); 328 + ROUND(yr, yl, 6); 329 + ROUND(yl, yr, 7); 330 + ROUND(yr, yl, 8); 331 + ROUND(yl, yr, 9); 332 + ROUND(yr, yl, 10); 333 + ROUND(yl, yr, 11); 334 + ROUND(yr, yl, 12); 335 + ROUND(yl, yr, 13); 336 + ROUND(yr, yl, 14); 337 + ROUND(yl, yr, 15); 338 + 339 + yl ^= P[16]; 340 + yr ^= P[17]; 341 + 342 + dst[0] = yr; 343 + dst[1] = yl; 344 + } 345 + 346 + /* 347 + * Calculates the blowfish S and P boxes for encryption and decryption. 348 + */ 349 + int blowfish_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) 350 + { 351 + struct bf_ctx *ctx = crypto_tfm_ctx(tfm); 352 + u32 *P = ctx->p; 353 + u32 *S = ctx->s; 354 + short i, j, count; 355 + u32 data[2], temp; 356 + 357 + /* Copy the initialization s-boxes */ 358 + for (i = 0, count = 0; i < 256; i++) 359 + for (j = 0; j < 4; j++, count++) 360 + S[count] = bf_sbox[count]; 361 + 362 + /* Set the p-boxes */ 363 + for (i = 0; i < 16 + 2; i++) 364 + P[i] = bf_pbox[i]; 365 + 366 + /* Actual subkey generation */ 367 + for (j = 0, i = 0; i < 16 + 2; i++) { 368 + temp = (((u32)key[j] << 24) | 369 + ((u32)key[(j + 1) % keylen] << 16) | 370 + ((u32)key[(j + 2) % keylen] << 8) | 371 + ((u32)key[(j + 3) % keylen])); 372 + 373 + P[i] = P[i] ^ temp; 374 + j = (j + 4) % keylen; 375 + } 376 + 377 + data[0] = 0x00000000; 378 + data[1] = 0x00000000; 379 + 380 + for (i = 0; i < 16 + 2; i += 2) { 381 + encrypt_block((struct bf_ctx *)ctx, data, data); 382 + 383 + P[i] = data[0]; 384 + P[i + 1] = data[1]; 385 + } 386 + 387 + for (i = 0; i < 4; i++) { 388 + for (j = 0, count = i * 256; j < 256; j += 2, count += 2) { 389 + encrypt_block((struct bf_ctx *)ctx, data, data); 390 + 391 + S[count] = data[0]; 392 + S[count + 1] = data[1]; 393 + } 394 + } 395 + 396 + /* Bruce says not to bother with the weak key check. */ 397 + return 0; 398 + } 399 + EXPORT_SYMBOL_GPL(blowfish_setkey); 400 + 401 + MODULE_LICENSE("GPL"); 402 + MODULE_DESCRIPTION("Blowfish Cipher common functions");

+23

include/crypto/blowfish.h

··· 1 + /* 2 + * Common values for blowfish algorithms 3 + */ 4 + 5 + #ifndef _CRYPTO_BLOWFISH_H 6 + #define _CRYPTO_BLOWFISH_H 7 + 8 + #include <linux/types.h> 9 + #include <linux/crypto.h> 10 + 11 + #define BF_BLOCK_SIZE 8 12 + #define BF_MIN_KEY_SIZE 4 13 + #define BF_MAX_KEY_SIZE 56 14 + 15 + struct bf_ctx { 16 + u32 p[18]; 17 + u32 s[1024]; 18 + }; 19 + 20 + int blowfish_setkey(struct crypto_tfm *tfm, const u8 *key, 21 + unsigned int key_len); 22 + 23 + #endif