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openSUSE:Evergreen:11.1
glibc
crypt_blowfish-1.0.diff
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File crypt_blowfish-1.0.diff of Package glibc
diff -ruN crypt-/crypt_blowfish.c crypt/crypt_blowfish.c --- crypt-/crypt_blowfish.c 1970-01-01 01:00:00.000000000 +0100 +++ crypt/crypt_blowfish.c 2006-09-20 20:56:59.000000000 +0200 @@ -0,0 +1,743 @@ +/* + * This code comes from John the Ripper password cracker, with reentrant + * and crypt(3) interfaces added, but optimizations specific to password + * cracking removed. + * + * Written by Solar Designer <solar at openwall.com> in 1998-2002 and + * placed in the public domain. + * + * There's absolutely no warranty. + * + * It is my intent that you should be able to use this on your system, + * as a part of a software package, or anywhere else to improve security, + * ensure compatibility, or for any other purpose. I would appreciate + * it if you give credit where it is due and keep your modifications in + * the public domain as well, but I don't require that in order to let + * you place this code and any modifications you make under a license + * of your choice. + * + * This implementation is compatible with OpenBSD bcrypt.c (version 2a) + * by Niels Provos <provos at citi.umich.edu>, and uses some of his + * ideas. The password hashing algorithm was designed by David Mazieres + * <dm at lcs.mit.edu>. + * + * There's a paper on the algorithm that explains its design decisions: + * + * http://www.usenix.org/events/usenix99/provos.html + * + * Some of the tricks in BF_ROUND might be inspired by Eric Young's + * Blowfish library (I can't be sure if I would think of something if I + * hadn't seen his code). + */ + +#include <string.h> + +#include <errno.h> +#ifndef __set_errno +#define __set_errno(val) errno = (val) +#endif + +#undef __CONST +#ifdef __GNUC__ +#define __CONST __const +#else +#define __CONST +#endif + +#ifdef __i386__ +#define BF_ASM 1 +#define BF_SCALE 1 +#elif defined(__alpha__) || defined(__hppa__) +#define BF_ASM 0 +#define BF_SCALE 1 +#else +#define BF_ASM 0 +#define BF_SCALE 0 +#endif + +typedef unsigned int BF_word; + +/* Number of Blowfish rounds, this is also hardcoded into a few places */ +#define BF_N 16 + +typedef BF_word BF_key[BF_N + 2]; + +typedef struct { + BF_word S[4][0x100]; + BF_key P; +} BF_ctx; + +/* + * Magic IV for 64 Blowfish encryptions that we do at the end. + * The string is "OrpheanBeholderScryDoubt" on big-endian. + */ +static BF_word BF_magic_w[6] = { + 0x4F727068, 0x65616E42, 0x65686F6C, + 0x64657253, 0x63727944, 0x6F756274 +}; + +/* + * P-box and S-box tables initialized with digits of Pi. + */ +static BF_ctx BF_init_state = { + { + { + 0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, 0xd01adfb7, + 0xb8e1afed, 0x6a267e96, 0xba7c9045, 0xf12c7f99, + 0x24a19947, 0xb3916cf7, 0x0801f2e2, 0x858efc16, + 0x636920d8, 0x71574e69, 0xa458fea3, 0xf4933d7e, + 0x0d95748f, 0x728eb658, 0x718bcd58, 0x82154aee, + 0x7b54a41d, 0xc25a59b5, 0x9c30d539, 0x2af26013, + 0xc5d1b023, 0x286085f0, 0xca417918, 0xb8db38ef, + 0x8e79dcb0, 0x603a180e, 0x6c9e0e8b, 0xb01e8a3e, + 0xd71577c1, 0xbd314b27, 0x78af2fda, 0x55605c60, + 0xe65525f3, 0xaa55ab94, 0x57489862, 0x63e81440, + 0x55ca396a, 0x2aab10b6, 0xb4cc5c34, 0x1141e8ce, + 0xa15486af, 0x7c72e993, 0xb3ee1411, 0x636fbc2a, + 0x2ba9c55d, 0x741831f6, 0xce5c3e16, 0x9b87931e, + 0xafd6ba33, 0x6c24cf5c, 0x7a325381, 0x28958677, + 0x3b8f4898, 0x6b4bb9af, 0xc4bfe81b, 0x66282193, + 0x61d809cc, 0xfb21a991, 0x487cac60, 0x5dec8032, + 0xef845d5d, 0xe98575b1, 0xdc262302, 0xeb651b88, + 0x23893e81, 0xd396acc5, 0x0f6d6ff3, 0x83f44239, + 0x2e0b4482, 0xa4842004, 0x69c8f04a, 0x9e1f9b5e, + 0x21c66842, 0xf6e96c9a, 0x670c9c61, 0xabd388f0, + 0x6a51a0d2, 0xd8542f68, 0x960fa728, 0xab5133a3, + 0x6eef0b6c, 0x137a3be4, 0xba3bf050, 0x7efb2a98, + 0xa1f1651d, 0x39af0176, 0x66ca593e, 0x82430e88, + 0x8cee8619, 0x456f9fb4, 0x7d84a5c3, 0x3b8b5ebe, + 0xe06f75d8, 0x85c12073, 0x401a449f, 0x56c16aa6, + 0x4ed3aa62, 0x363f7706, 0x1bfedf72, 0x429b023d, + 0x37d0d724, 0xd00a1248, 0xdb0fead3, 0x49f1c09b, + 0x075372c9, 0x80991b7b, 0x25d479d8, 0xf6e8def7, + 0xe3fe501a, 0xb6794c3b, 0x976ce0bd, 0x04c006ba, + 0xc1a94fb6, 0x409f60c4, 0x5e5c9ec2, 0x196a2463, + 0x68fb6faf, 0x3e6c53b5, 0x1339b2eb, 0x3b52ec6f, + 0x6dfc511f, 0x9b30952c, 0xcc814544, 0xaf5ebd09, + 0xbee3d004, 0xde334afd, 0x660f2807, 0x192e4bb3, + 0xc0cba857, 0x45c8740f, 0xd20b5f39, 0xb9d3fbdb, + 0x5579c0bd, 0x1a60320a, 0xd6a100c6, 0x402c7279, + 0x679f25fe, 0xfb1fa3cc, 0x8ea5e9f8, 0xdb3222f8, + 0x3c7516df, 0xfd616b15, 0x2f501ec8, 0xad0552ab, + 0x323db5fa, 0xfd238760, 0x53317b48, 0x3e00df82, + 0x9e5c57bb, 0xca6f8ca0, 0x1a87562e, 0xdf1769db, + 0xd542a8f6, 0x287effc3, 0xac6732c6, 0x8c4f5573, + 0x695b27b0, 0xbbca58c8, 0xe1ffa35d, 0xb8f011a0, + 0x10fa3d98, 0xfd2183b8, 0x4afcb56c, 0x2dd1d35b, + 0x9a53e479, 0xb6f84565, 0xd28e49bc, 0x4bfb9790, + 0xe1ddf2da, 0xa4cb7e33, 0x62fb1341, 0xcee4c6e8, + 0xef20cada, 0x36774c01, 0xd07e9efe, 0x2bf11fb4, + 0x95dbda4d, 0xae909198, 0xeaad8e71, 0x6b93d5a0, + 0xd08ed1d0, 0xafc725e0, 0x8e3c5b2f, 0x8e7594b7, + 0x8ff6e2fb, 0xf2122b64, 0x8888b812, 0x900df01c, + 0x4fad5ea0, 0x688fc31c, 0xd1cff191, 0xb3a8c1ad, + 0x2f2f2218, 0xbe0e1777, 0xea752dfe, 0x8b021fa1, + 0xe5a0cc0f, 0xb56f74e8, 0x18acf3d6, 0xce89e299, + 0xb4a84fe0, 0xfd13e0b7, 0x7cc43b81, 0xd2ada8d9, + 0x165fa266, 0x80957705, 0x93cc7314, 0x211a1477, + 0xe6ad2065, 0x77b5fa86, 0xc75442f5, 0xfb9d35cf, + 0xebcdaf0c, 0x7b3e89a0, 0xd6411bd3, 0xae1e7e49, + 0x00250e2d, 0x2071b35e, 0x226800bb, 0x57b8e0af, + 0x2464369b, 0xf009b91e, 0x5563911d, 0x59dfa6aa, + 0x78c14389, 0xd95a537f, 0x207d5ba2, 0x02e5b9c5, + 0x83260376, 0x6295cfa9, 0x11c81968, 0x4e734a41, + 0xb3472dca, 0x7b14a94a, 0x1b510052, 0x9a532915, + 0xd60f573f, 0xbc9bc6e4, 0x2b60a476, 0x81e67400, + 0x08ba6fb5, 0x571be91f, 0xf296ec6b, 0x2a0dd915, + 0xb6636521, 0xe7b9f9b6, 0xff34052e, 0xc5855664, + 0x53b02d5d, 0xa99f8fa1, 0x08ba4799, 0x6e85076a + }, { + 0x4b7a70e9, 0xb5b32944, 0xdb75092e, 0xc4192623, + 0xad6ea6b0, 0x49a7df7d, 0x9cee60b8, 0x8fedb266, + 0xecaa8c71, 0x699a17ff, 0x5664526c, 0xc2b19ee1, + 0x193602a5, 0x75094c29, 0xa0591340, 0xe4183a3e, + 0x3f54989a, 0x5b429d65, 0x6b8fe4d6, 0x99f73fd6, + 0xa1d29c07, 0xefe830f5, 0x4d2d38e6, 0xf0255dc1, + 0x4cdd2086, 0x8470eb26, 0x6382e9c6, 0x021ecc5e, + 0x09686b3f, 0x3ebaefc9, 0x3c971814, 0x6b6a70a1, + 0x687f3584, 0x52a0e286, 0xb79c5305, 0xaa500737, + 0x3e07841c, 0x7fdeae5c, 0x8e7d44ec, 0x5716f2b8, + 0xb03ada37, 0xf0500c0d, 0xf01c1f04, 0x0200b3ff, + 0xae0cf51a, 0x3cb574b2, 0x25837a58, 0xdc0921bd, + 0xd19113f9, 0x7ca92ff6, 0x94324773, 0x22f54701, + 0x3ae5e581, 0x37c2dadc, 0xc8b57634, 0x9af3dda7, + 0xa9446146, 0x0fd0030e, 0xecc8c73e, 0xa4751e41, + 0xe238cd99, 0x3bea0e2f, 0x3280bba1, 0x183eb331, + 0x4e548b38, 0x4f6db908, 0x6f420d03, 0xf60a04bf, + 0x2cb81290, 0x24977c79, 0x5679b072, 0xbcaf89af, + 0xde9a771f, 0xd9930810, 0xb38bae12, 0xdccf3f2e, + 0x5512721f, 0x2e6b7124, 0x501adde6, 0x9f84cd87, + 0x7a584718, 0x7408da17, 0xbc9f9abc, 0xe94b7d8c, + 0xec7aec3a, 0xdb851dfa, 0x63094366, 0xc464c3d2, + 0xef1c1847, 0x3215d908, 0xdd433b37, 0x24c2ba16, + 0x12a14d43, 0x2a65c451, 0x50940002, 0x133ae4dd, + 0x71dff89e, 0x10314e55, 0x81ac77d6, 0x5f11199b, + 0x043556f1, 0xd7a3c76b, 0x3c11183b, 0x5924a509, + 0xf28fe6ed, 0x97f1fbfa, 0x9ebabf2c, 0x1e153c6e, + 0x86e34570, 0xeae96fb1, 0x860e5e0a, 0x5a3e2ab3, + 0x771fe71c, 0x4e3d06fa, 0x2965dcb9, 0x99e71d0f, + 0x803e89d6, 0x5266c825, 0x2e4cc978, 0x9c10b36a, + 0xc6150eba, 0x94e2ea78, 0xa5fc3c53, 0x1e0a2df4, + 0xf2f74ea7, 0x361d2b3d, 0x1939260f, 0x19c27960, + 0x5223a708, 0xf71312b6, 0xebadfe6e, 0xeac31f66, + 0xe3bc4595, 0xa67bc883, 0xb17f37d1, 0x018cff28, + 0xc332ddef, 0xbe6c5aa5, 0x65582185, 0x68ab9802, + 0xeecea50f, 0xdb2f953b, 0x2aef7dad, 0x5b6e2f84, + 0x1521b628, 0x29076170, 0xecdd4775, 0x619f1510, + 0x13cca830, 0xeb61bd96, 0x0334fe1e, 0xaa0363cf, + 0xb5735c90, 0x4c70a239, 0xd59e9e0b, 0xcbaade14, + 0xeecc86bc, 0x60622ca7, 0x9cab5cab, 0xb2f3846e, + 0x648b1eaf, 0x19bdf0ca, 0xa02369b9, 0x655abb50, + 0x40685a32, 0x3c2ab4b3, 0x319ee9d5, 0xc021b8f7, + 0x9b540b19, 0x875fa099, 0x95f7997e, 0x623d7da8, + 0xf837889a, 0x97e32d77, 0x11ed935f, 0x16681281, + 0x0e358829, 0xc7e61fd6, 0x96dedfa1, 0x7858ba99, + 0x57f584a5, 0x1b227263, 0x9b83c3ff, 0x1ac24696, + 0xcdb30aeb, 0x532e3054, 0x8fd948e4, 0x6dbc3128, + 0x58ebf2ef, 0x34c6ffea, 0xfe28ed61, 0xee7c3c73, + 0x5d4a14d9, 0xe864b7e3, 0x42105d14, 0x203e13e0, + 0x45eee2b6, 0xa3aaabea, 0xdb6c4f15, 0xfacb4fd0, + 0xc742f442, 0xef6abbb5, 0x654f3b1d, 0x41cd2105, + 0xd81e799e, 0x86854dc7, 0xe44b476a, 0x3d816250, + 0xcf62a1f2, 0x5b8d2646, 0xfc8883a0, 0xc1c7b6a3, + 0x7f1524c3, 0x69cb7492, 0x47848a0b, 0x5692b285, + 0x095bbf00, 0xad19489d, 0x1462b174, 0x23820e00, + 0x58428d2a, 0x0c55f5ea, 0x1dadf43e, 0x233f7061, + 0x3372f092, 0x8d937e41, 0xd65fecf1, 0x6c223bdb, + 0x7cde3759, 0xcbee7460, 0x4085f2a7, 0xce77326e, + 0xa6078084, 0x19f8509e, 0xe8efd855, 0x61d99735, + 0xa969a7aa, 0xc50c06c2, 0x5a04abfc, 0x800bcadc, + 0x9e447a2e, 0xc3453484, 0xfdd56705, 0x0e1e9ec9, + 0xdb73dbd3, 0x105588cd, 0x675fda79, 0xe3674340, + 0xc5c43465, 0x713e38d8, 0x3d28f89e, 0xf16dff20, + 0x153e21e7, 0x8fb03d4a, 0xe6e39f2b, 0xdb83adf7 + }, { + 0xe93d5a68, 0x948140f7, 0xf64c261c, 0x94692934, + 0x411520f7, 0x7602d4f7, 0xbcf46b2e, 0xd4a20068, + 0xd4082471, 0x3320f46a, 0x43b7d4b7, 0x500061af, + 0x1e39f62e, 0x97244546, 0x14214f74, 0xbf8b8840, + 0x4d95fc1d, 0x96b591af, 0x70f4ddd3, 0x66a02f45, + 0xbfbc09ec, 0x03bd9785, 0x7fac6dd0, 0x31cb8504, + 0x96eb27b3, 0x55fd3941, 0xda2547e6, 0xabca0a9a, + 0x28507825, 0x530429f4, 0x0a2c86da, 0xe9b66dfb, + 0x68dc1462, 0xd7486900, 0x680ec0a4, 0x27a18dee, + 0x4f3ffea2, 0xe887ad8c, 0xb58ce006, 0x7af4d6b6, + 0xaace1e7c, 0xd3375fec, 0xce78a399, 0x406b2a42, + 0x20fe9e35, 0xd9f385b9, 0xee39d7ab, 0x3b124e8b, + 0x1dc9faf7, 0x4b6d1856, 0x26a36631, 0xeae397b2, + 0x3a6efa74, 0xdd5b4332, 0x6841e7f7, 0xca7820fb, + 0xfb0af54e, 0xd8feb397, 0x454056ac, 0xba489527, + 0x55533a3a, 0x20838d87, 0xfe6ba9b7, 0xd096954b, + 0x55a867bc, 0xa1159a58, 0xcca92963, 0x99e1db33, + 0xa62a4a56, 0x3f3125f9, 0x5ef47e1c, 0x9029317c, + 0xfdf8e802, 0x04272f70, 0x80bb155c, 0x05282ce3, + 0x95c11548, 0xe4c66d22, 0x48c1133f, 0xc70f86dc, + 0x07f9c9ee, 0x41041f0f, 0x404779a4, 0x5d886e17, + 0x325f51eb, 0xd59bc0d1, 0xf2bcc18f, 0x41113564, + 0x257b7834, 0x602a9c60, 0xdff8e8a3, 0x1f636c1b, + 0x0e12b4c2, 0x02e1329e, 0xaf664fd1, 0xcad18115, + 0x6b2395e0, 0x333e92e1, 0x3b240b62, 0xeebeb922, + 0x85b2a20e, 0xe6ba0d99, 0xde720c8c, 0x2da2f728, + 0xd0127845, 0x95b794fd, 0x647d0862, 0xe7ccf5f0, + 0x5449a36f, 0x877d48fa, 0xc39dfd27, 0xf33e8d1e, + 0x0a476341, 0x992eff74, 0x3a6f6eab, 0xf4f8fd37, + 0xa812dc60, 0xa1ebddf8, 0x991be14c, 0xdb6e6b0d, + 0xc67b5510, 0x6d672c37, 0x2765d43b, 0xdcd0e804, + 0xf1290dc7, 0xcc00ffa3, 0xb5390f92, 0x690fed0b, + 0x667b9ffb, 0xcedb7d9c, 0xa091cf0b, 0xd9155ea3, + 0xbb132f88, 0x515bad24, 0x7b9479bf, 0x763bd6eb, + 0x37392eb3, 0xcc115979, 0x8026e297, 0xf42e312d, + 0x6842ada7, 0xc66a2b3b, 0x12754ccc, 0x782ef11c, + 0x6a124237, 0xb79251e7, 0x06a1bbe6, 0x4bfb6350, + 0x1a6b1018, 0x11caedfa, 0x3d25bdd8, 0xe2e1c3c9, + 0x44421659, 0x0a121386, 0xd90cec6e, 0xd5abea2a, + 0x64af674e, 0xda86a85f, 0xbebfe988, 0x64e4c3fe, + 0x9dbc8057, 0xf0f7c086, 0x60787bf8, 0x6003604d, + 0xd1fd8346, 0xf6381fb0, 0x7745ae04, 0xd736fccc, + 0x83426b33, 0xf01eab71, 0xb0804187, 0x3c005e5f, + 0x77a057be, 0xbde8ae24, 0x55464299, 0xbf582e61, + 0x4e58f48f, 0xf2ddfda2, 0xf474ef38, 0x8789bdc2, + 0x5366f9c3, 0xc8b38e74, 0xb475f255, 0x46fcd9b9, + 0x7aeb2661, 0x8b1ddf84, 0x846a0e79, 0x915f95e2, + 0x466e598e, 0x20b45770, 0x8cd55591, 0xc902de4c, + 0xb90bace1, 0xbb8205d0, 0x11a86248, 0x7574a99e, + 0xb77f19b6, 0xe0a9dc09, 0x662d09a1, 0xc4324633, + 0xe85a1f02, 0x09f0be8c, 0x4a99a025, 0x1d6efe10, + 0x1ab93d1d, 0x0ba5a4df, 0xa186f20f, 0x2868f169, + 0xdcb7da83, 0x573906fe, 0xa1e2ce9b, 0x4fcd7f52, + 0x50115e01, 0xa70683fa, 0xa002b5c4, 0x0de6d027, + 0x9af88c27, 0x773f8641, 0xc3604c06, 0x61a806b5, + 0xf0177a28, 0xc0f586e0, 0x006058aa, 0x30dc7d62, + 0x11e69ed7, 0x2338ea63, 0x53c2dd94, 0xc2c21634, + 0xbbcbee56, 0x90bcb6de, 0xebfc7da1, 0xce591d76, + 0x6f05e409, 0x4b7c0188, 0x39720a3d, 0x7c927c24, + 0x86e3725f, 0x724d9db9, 0x1ac15bb4, 0xd39eb8fc, + 0xed545578, 0x08fca5b5, 0xd83d7cd3, 0x4dad0fc4, + 0x1e50ef5e, 0xb161e6f8, 0xa28514d9, 0x6c51133c, + 0x6fd5c7e7, 0x56e14ec4, 0x362abfce, 0xddc6c837, + 0xd79a3234, 0x92638212, 0x670efa8e, 0x406000e0 + }, { + 0x3a39ce37, 0xd3faf5cf, 0xabc27737, 0x5ac52d1b, + 0x5cb0679e, 0x4fa33742, 0xd3822740, 0x99bc9bbe, + 0xd5118e9d, 0xbf0f7315, 0xd62d1c7e, 0xc700c47b, + 0xb78c1b6b, 0x21a19045, 0xb26eb1be, 0x6a366eb4, + 0x5748ab2f, 0xbc946e79, 0xc6a376d2, 0x6549c2c8, + 0x530ff8ee, 0x468dde7d, 0xd5730a1d, 0x4cd04dc6, + 0x2939bbdb, 0xa9ba4650, 0xac9526e8, 0xbe5ee304, + 0xa1fad5f0, 0x6a2d519a, 0x63ef8ce2, 0x9a86ee22, + 0xc089c2b8, 0x43242ef6, 0xa51e03aa, 0x9cf2d0a4, + 0x83c061ba, 0x9be96a4d, 0x8fe51550, 0xba645bd6, + 0x2826a2f9, 0xa73a3ae1, 0x4ba99586, 0xef5562e9, + 0xc72fefd3, 0xf752f7da, 0x3f046f69, 0x77fa0a59, + 0x80e4a915, 0x87b08601, 0x9b09e6ad, 0x3b3ee593, + 0xe990fd5a, 0x9e34d797, 0x2cf0b7d9, 0x022b8b51, + 0x96d5ac3a, 0x017da67d, 0xd1cf3ed6, 0x7c7d2d28, + 0x1f9f25cf, 0xadf2b89b, 0x5ad6b472, 0x5a88f54c, + 0xe029ac71, 0xe019a5e6, 0x47b0acfd, 0xed93fa9b, + 0xe8d3c48d, 0x283b57cc, 0xf8d56629, 0x79132e28, + 0x785f0191, 0xed756055, 0xf7960e44, 0xe3d35e8c, + 0x15056dd4, 0x88f46dba, 0x03a16125, 0x0564f0bd, + 0xc3eb9e15, 0x3c9057a2, 0x97271aec, 0xa93a072a, + 0x1b3f6d9b, 0x1e6321f5, 0xf59c66fb, 0x26dcf319, + 0x7533d928, 0xb155fdf5, 0x03563482, 0x8aba3cbb, + 0x28517711, 0xc20ad9f8, 0xabcc5167, 0xccad925f, + 0x4de81751, 0x3830dc8e, 0x379d5862, 0x9320f991, + 0xea7a90c2, 0xfb3e7bce, 0x5121ce64, 0x774fbe32, + 0xa8b6e37e, 0xc3293d46, 0x48de5369, 0x6413e680, + 0xa2ae0810, 0xdd6db224, 0x69852dfd, 0x09072166, + 0xb39a460a, 0x6445c0dd, 0x586cdecf, 0x1c20c8ae, + 0x5bbef7dd, 0x1b588d40, 0xccd2017f, 0x6bb4e3bb, + 0xdda26a7e, 0x3a59ff45, 0x3e350a44, 0xbcb4cdd5, + 0x72eacea8, 0xfa6484bb, 0x8d6612ae, 0xbf3c6f47, + 0xd29be463, 0x542f5d9e, 0xaec2771b, 0xf64e6370, + 0x740e0d8d, 0xe75b1357, 0xf8721671, 0xaf537d5d, + 0x4040cb08, 0x4eb4e2cc, 0x34d2466a, 0x0115af84, + 0xe1b00428, 0x95983a1d, 0x06b89fb4, 0xce6ea048, + 0x6f3f3b82, 0x3520ab82, 0x011a1d4b, 0x277227f8, + 0x611560b1, 0xe7933fdc, 0xbb3a792b, 0x344525bd, + 0xa08839e1, 0x51ce794b, 0x2f32c9b7, 0xa01fbac9, + 0xe01cc87e, 0xbcc7d1f6, 0xcf0111c3, 0xa1e8aac7, + 0x1a908749, 0xd44fbd9a, 0xd0dadecb, 0xd50ada38, + 0x0339c32a, 0xc6913667, 0x8df9317c, 0xe0b12b4f, + 0xf79e59b7, 0x43f5bb3a, 0xf2d519ff, 0x27d9459c, + 0xbf97222c, 0x15e6fc2a, 0x0f91fc71, 0x9b941525, + 0xfae59361, 0xceb69ceb, 0xc2a86459, 0x12baa8d1, + 0xb6c1075e, 0xe3056a0c, 0x10d25065, 0xcb03a442, + 0xe0ec6e0e, 0x1698db3b, 0x4c98a0be, 0x3278e964, + 0x9f1f9532, 0xe0d392df, 0xd3a0342b, 0x8971f21e, + 0x1b0a7441, 0x4ba3348c, 0xc5be7120, 0xc37632d8, + 0xdf359f8d, 0x9b992f2e, 0xe60b6f47, 0x0fe3f11d, + 0xe54cda54, 0x1edad891, 0xce6279cf, 0xcd3e7e6f, + 0x1618b166, 0xfd2c1d05, 0x848fd2c5, 0xf6fb2299, + 0xf523f357, 0xa6327623, 0x93a83531, 0x56cccd02, + 0xacf08162, 0x5a75ebb5, 0x6e163697, 0x88d273cc, + 0xde966292, 0x81b949d0, 0x4c50901b, 0x71c65614, + 0xe6c6c7bd, 0x327a140a, 0x45e1d006, 0xc3f27b9a, + 0xc9aa53fd, 0x62a80f00, 0xbb25bfe2, 0x35bdd2f6, + 0x71126905, 0xb2040222, 0xb6cbcf7c, 0xcd769c2b, + 0x53113ec0, 0x1640e3d3, 0x38abbd60, 0x2547adf0, + 0xba38209c, 0xf746ce76, 0x77afa1c5, 0x20756060, + 0x85cbfe4e, 0x8ae88dd8, 0x7aaaf9b0, 0x4cf9aa7e, + 0x1948c25c, 0x02fb8a8c, 0x01c36ae4, 0xd6ebe1f9, + 0x90d4f869, 0xa65cdea0, 0x3f09252d, 0xc208e69f, + 0xb74e6132, 0xce77e25b, 0x578fdfe3, 0x3ac372e6 + } + }, { + 0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344, + 0xa4093822, 0x299f31d0, 0x082efa98, 0xec4e6c89, + 0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c, + 0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917, + 0x9216d5d9, 0x8979fb1b + } +}; + +static unsigned char BF_itoa64[64 + 1] = + "./ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; + +static unsigned char BF_atoi64[0x60] = { + 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 0, 1, + 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 64, 64, 64, 64, 64, + 64, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, + 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 64, 64, 64, 64, 64, + 64, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, + 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 64, 64, 64, 64, 64 +}; + +/* + * This may be optimized out if built with function inlining and no BF_ASM. + */ +static void clean(void *data, int size) +{ +#if BF_ASM + extern void _BF_clean(void *data); +#endif + memset(data, 0, size); +#if BF_ASM + _BF_clean(data); +#endif +} + +#define BF_safe_atoi64(dst, src) \ +{ \ + tmp = (unsigned char)(src); \ + if ((unsigned int)(tmp -= 0x20) >= 0x60) return -1; \ + tmp = BF_atoi64[tmp]; \ + if (tmp > 63) return -1; \ + (dst) = tmp; \ +} + +static int BF_decode(BF_word *dst, __CONST char *src, int size) +{ + unsigned char *dptr = (unsigned char *)dst; + unsigned char *end = dptr + size; + unsigned char *sptr = (unsigned char *)src; + unsigned int tmp, c1, c2, c3, c4; + + do { + BF_safe_atoi64(c1, *sptr++); + BF_safe_atoi64(c2, *sptr++); + *dptr++ = (c1 << 2) | ((c2 & 0x30) >> 4); + if (dptr >= end) break; + + BF_safe_atoi64(c3, *sptr++); + *dptr++ = ((c2 & 0x0F) << 4) | ((c3 & 0x3C) >> 2); + if (dptr >= end) break; + + BF_safe_atoi64(c4, *sptr++); + *dptr++ = ((c3 & 0x03) << 6) | c4; + } while (dptr < end); + + return 0; +} + +static void BF_encode(char *dst, __CONST BF_word *src, int size) +{ + unsigned char *sptr = (unsigned char *)src; + unsigned char *end = sptr + size; + unsigned char *dptr = (unsigned char *)dst; + unsigned int c1, c2; + + do { + c1 = *sptr++; + *dptr++ = BF_itoa64[c1 >> 2]; + c1 = (c1 & 0x03) << 4; + if (sptr >= end) { + *dptr++ = BF_itoa64[c1]; + break; + } + + c2 = *sptr++; + c1 |= c2 >> 4; + *dptr++ = BF_itoa64[c1]; + c1 = (c2 & 0x0f) << 2; + if (sptr >= end) { + *dptr++ = BF_itoa64[c1]; + break; + } + + c2 = *sptr++; + c1 |= c2 >> 6; + *dptr++ = BF_itoa64[c1]; + *dptr++ = BF_itoa64[c2 & 0x3f]; + } while (sptr < end); +} + +static void BF_swap(BF_word *x, int count) +{ + static int endianness_check = 1; + char *is_little_endian = (char *)&endianness_check; + BF_word tmp; + + if (*is_little_endian) + do { + tmp = *x; + tmp = (tmp << 16) | (tmp >> 16); + *x++ = ((tmp & 0x00FF00FF) << 8) | ((tmp >> 8) & 0x00FF00FF); + } while (--count); +} + +#if BF_SCALE +/* Architectures which can shift addresses left by 2 bits with no extra cost */ +#define BF_ROUND(L, R, N) \ + tmp1 = L & 0xFF; \ + tmp2 = L >> 8; \ + tmp2 &= 0xFF; \ + tmp3 = L >> 16; \ + tmp3 &= 0xFF; \ + tmp4 = L >> 24; \ + tmp1 = data.ctx.S[3][tmp1]; \ + tmp2 = data.ctx.S[2][tmp2]; \ + tmp3 = data.ctx.S[1][tmp3]; \ + tmp3 += data.ctx.S[0][tmp4]; \ + tmp3 ^= tmp2; \ + R ^= data.ctx.P[N + 1]; \ + tmp3 += tmp1; \ + R ^= tmp3; +#else +/* Architectures with no complicated addressing modes supported */ +#define BF_INDEX(S, i) \ + (*((BF_word *)(((unsigned char *)S) + (i)))) +#define BF_ROUND(L, R, N) \ + tmp1 = L & 0xFF; \ + tmp1 <<= 2; \ + tmp2 = L >> 6; \ + tmp2 &= 0x3FC; \ + tmp3 = L >> 14; \ + tmp3 &= 0x3FC; \ + tmp4 = L >> 22; \ + tmp4 &= 0x3FC; \ + tmp1 = BF_INDEX(data.ctx.S[3], tmp1); \ + tmp2 = BF_INDEX(data.ctx.S[2], tmp2); \ + tmp3 = BF_INDEX(data.ctx.S[1], tmp3); \ + tmp3 += BF_INDEX(data.ctx.S[0], tmp4); \ + tmp3 ^= tmp2; \ + R ^= data.ctx.P[N + 1]; \ + tmp3 += tmp1; \ + R ^= tmp3; +#endif + +/* + * Encrypt one block, BF_N is hardcoded here. + */ +#define BF_ENCRYPT \ + L ^= data.ctx.P[0]; \ + BF_ROUND(L, R, 0); \ + BF_ROUND(R, L, 1); \ + BF_ROUND(L, R, 2); \ + BF_ROUND(R, L, 3); \ + BF_ROUND(L, R, 4); \ + BF_ROUND(R, L, 5); \ + BF_ROUND(L, R, 6); \ + BF_ROUND(R, L, 7); \ + BF_ROUND(L, R, 8); \ + BF_ROUND(R, L, 9); \ + BF_ROUND(L, R, 10); \ + BF_ROUND(R, L, 11); \ + BF_ROUND(L, R, 12); \ + BF_ROUND(R, L, 13); \ + BF_ROUND(L, R, 14); \ + BF_ROUND(R, L, 15); \ + tmp4 = R; \ + R = L; \ + L = tmp4 ^ data.ctx.P[BF_N + 1]; + +#if BF_ASM +#define BF_body() \ + _BF_body_r(&data.ctx); +#else +#define BF_body() \ + L = R = 0; \ + ptr = data.ctx.P; \ + do { \ + ptr += 2; \ + BF_ENCRYPT; \ + *(ptr - 2) = L; \ + *(ptr - 1) = R; \ + } while (ptr < &data.ctx.P[BF_N + 2]); \ +\ + ptr = data.ctx.S[0]; \ + do { \ + ptr += 2; \ + BF_ENCRYPT; \ + *(ptr - 2) = L; \ + *(ptr - 1) = R; \ + } while (ptr < &data.ctx.S[3][0xFF]); +#endif + +static void BF_set_key(__CONST char *key, BF_key expanded, BF_key initial) +{ + __CONST char *ptr = key; + int i, j; + BF_word tmp; + + for (i = 0; i < BF_N + 2; i++) { + tmp = 0; + for (j = 0; j < 4; j++) { + tmp <<= 8; + tmp |= *ptr; + + if (!*ptr) ptr = key; else ptr++; + } + + expanded[i] = tmp; + initial[i] = BF_init_state.P[i] ^ tmp; + } +} + +char *_crypt_blowfish_rn(__CONST char *key, __CONST char *setting, + char *output, int size) +{ +#if BF_ASM + extern void _BF_body_r(BF_ctx *ctx); +#endif + struct { + BF_ctx ctx; + BF_key expanded_key; + union { + BF_word salt[4]; + BF_word output[6]; + } binary; + } data; + BF_word L, R; + BF_word tmp1, tmp2, tmp3, tmp4; + BF_word *ptr; + BF_word count; + int i; + + if (size < 7 + 22 + 31 + 1) { + __set_errno(ERANGE); + return NULL; + } + + if (setting[0] != '$' || + setting[1] != '2' || + setting[2] != 'a' || + setting[3] != '$' || + setting[4] < '0' || setting[4] > '3' || + setting[5] < '0' || setting[5] > '9' || + setting[6] != '$') { + __set_errno(EINVAL); + return NULL; + } + + count = (BF_word)1 << ((setting[4] - '0') * 10 + (setting[5] - '0')); + if (count < 16 || BF_decode(data.binary.salt, &setting[7], 16)) { + clean(data.binary.salt, sizeof(data.binary.salt)); + __set_errno(EINVAL); + return NULL; + } + BF_swap(data.binary.salt, 4); + + BF_set_key(key, data.expanded_key, data.ctx.P); + + memcpy(data.ctx.S, BF_init_state.S, sizeof(data.ctx.S)); + + L = R = 0; + for (i = 0; i < BF_N + 2; i += 2) { + L ^= data.binary.salt[i & 2]; + R ^= data.binary.salt[(i & 2) + 1]; + BF_ENCRYPT; + data.ctx.P[i] = L; + data.ctx.P[i + 1] = R; + } + + ptr = data.ctx.S[0]; + do { + ptr += 4; + L ^= data.binary.salt[(BF_N + 2) & 3]; + R ^= data.binary.salt[(BF_N + 3) & 3]; + BF_ENCRYPT; + *(ptr - 4) = L; + *(ptr - 3) = R; + + L ^= data.binary.salt[(BF_N + 4) & 3]; + R ^= data.binary.salt[(BF_N + 5) & 3]; + BF_ENCRYPT; + *(ptr - 2) = L; + *(ptr - 1) = R; + } while (ptr < &data.ctx.S[3][0xFF]); + + do { + data.ctx.P[0] ^= data.expanded_key[0]; + data.ctx.P[1] ^= data.expanded_key[1]; + data.ctx.P[2] ^= data.expanded_key[2]; + data.ctx.P[3] ^= data.expanded_key[3]; + data.ctx.P[4] ^= data.expanded_key[4]; + data.ctx.P[5] ^= data.expanded_key[5]; + data.ctx.P[6] ^= data.expanded_key[6]; + data.ctx.P[7] ^= data.expanded_key[7]; + data.ctx.P[8] ^= data.expanded_key[8]; + data.ctx.P[9] ^= data.expanded_key[9]; + data.ctx.P[10] ^= data.expanded_key[10]; + data.ctx.P[11] ^= data.expanded_key[11]; + data.ctx.P[12] ^= data.expanded_key[12]; + data.ctx.P[13] ^= data.expanded_key[13]; + data.ctx.P[14] ^= data.expanded_key[14]; + data.ctx.P[15] ^= data.expanded_key[15]; + data.ctx.P[16] ^= data.expanded_key[16]; + data.ctx.P[17] ^= data.expanded_key[17]; + + BF_body(); + + tmp1 = data.binary.salt[0]; + tmp2 = data.binary.salt[1]; + tmp3 = data.binary.salt[2]; + tmp4 = data.binary.salt[3]; + data.ctx.P[0] ^= tmp1; + data.ctx.P[1] ^= tmp2; + data.ctx.P[2] ^= tmp3; + data.ctx.P[3] ^= tmp4; + data.ctx.P[4] ^= tmp1; + data.ctx.P[5] ^= tmp2; + data.ctx.P[6] ^= tmp3; + data.ctx.P[7] ^= tmp4; + data.ctx.P[8] ^= tmp1; + data.ctx.P[9] ^= tmp2; + data.ctx.P[10] ^= tmp3; + data.ctx.P[11] ^= tmp4; + data.ctx.P[12] ^= tmp1; + data.ctx.P[13] ^= tmp2; + data.ctx.P[14] ^= tmp3; + data.ctx.P[15] ^= tmp4; + data.ctx.P[16] ^= tmp1; + data.ctx.P[17] ^= tmp2; + + BF_body(); + } while (--count); + + for (i = 0; i < 6; i += 2) { + L = BF_magic_w[i]; + R = BF_magic_w[i + 1]; + + count = 64; + do { + BF_ENCRYPT; + } while (--count); + + data.binary.output[i] = L; + data.binary.output[i + 1] = R; + } + + memcpy(output, setting, 7 + 22 - 1); + output[7 + 22 - 1] = BF_itoa64[(int) + BF_atoi64[(int)setting[7 + 22 - 1] - 0x20] & 0x30]; + +/* This has to be bug-compatible with the original implementation, so + * only encode 23 of the 24 bytes. :-) */ + BF_swap(data.binary.output, 6); + BF_encode(&output[7 + 22], data.binary.output, 23); + output[7 + 22 + 31] = '\0'; + +/* Overwrite the most obvious sensitive data we have on the stack. Note + * that this does not guarantee there's no sensitive data left on the + * stack and/or in registers; I'm not aware of portable code that does. */ + clean(&data, sizeof(data)); + + return output; +} + +char *_crypt_gensalt_blowfish_rn(unsigned long count, + __CONST char *input, int size, char *output, int output_size) +{ + if (size < 16 || output_size < 7 + 22 + 1 || + (count && (count < 4 || count > 31))) { + if (output_size > 0) output[0] = '\0'; + __set_errno((output_size < 7 + 22 + 1) ? ERANGE : EINVAL); + return NULL; + } + + if (!count) count = 5; + + output[0] = '$'; + output[1] = '2'; + output[2] = 'a'; + output[3] = '$'; + output[4] = '0' + count / 10; + output[5] = '0' + count % 10; + output[6] = '$'; + + BF_encode(&output[7], (BF_word *)input, 16); + output[7 + 22] = '\0'; + + return output; +} diff -ruN crypt-/crypt_gensalt.c crypt/crypt_gensalt.c --- crypt-/crypt_gensalt.c 1970-01-01 01:00:00.000000000 +0100 +++ crypt/crypt_gensalt.c 2006-09-20 20:56:59.000000000 +0200 @@ -0,0 +1,111 @@ +/* + * Written by Solar Designer and placed in the public domain. + * See crypt_blowfish.c for more information. + * + * This file contains salt generation functions for the traditional and + * other common crypt(3) algorithms, except for bcrypt which is defined + * entirely in crypt_blowfish.c. + */ + +#include <string.h> + +#include <errno.h> +#ifndef __set_errno +#define __set_errno(val) errno = (val) +#endif + +#undef __CONST +#ifdef __GNUC__ +#define __CONST __const +#else +#define __CONST +#endif + +unsigned char _crypt_itoa64[64 + 1] = + "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; + +char *_crypt_gensalt_traditional_rn(unsigned long count, + __CONST char *input, int size, char *output, int output_size) +{ + if (size < 2 || output_size < 2 + 1 || (count && count != 25)) { + if (output_size > 0) output[0] = '\0'; + __set_errno((output_size < 2 + 1) ? ERANGE : EINVAL); + return NULL; + } + + output[0] = _crypt_itoa64[(unsigned int)input[0] & 0x3f]; + output[1] = _crypt_itoa64[(unsigned int)input[1] & 0x3f]; + output[2] = '\0'; + + return output; +} + +char *_crypt_gensalt_extended_rn(unsigned long count, + __CONST char *input, int size, char *output, int output_size) +{ + unsigned long value; + +/* Even iteration counts make it easier to detect weak DES keys from a look + * at the hash, so they should be avoided */ + if (size < 3 || output_size < 1 + 4 + 4 + 1 || + (count && (count > 0xffffff || !(count & 1)))) { + if (output_size > 0) output[0] = '\0'; + __set_errno((output_size < 1 + 4 + 4 + 1) ? ERANGE : EINVAL); + return NULL; + } + + if (!count) count = 725; + + output[0] = '_'; + output[1] = _crypt_itoa64[count & 0x3f]; + output[2] = _crypt_itoa64[(count >> 6) & 0x3f]; + output[3] = _crypt_itoa64[(count >> 12) & 0x3f]; + output[4] = _crypt_itoa64[(count >> 18) & 0x3f]; + value = (unsigned long)(unsigned char)input[0] | + ((unsigned long)(unsigned char)input[1] << 8) | + ((unsigned long)(unsigned char)input[2] << 16); + output[5] = _crypt_itoa64[value & 0x3f]; + output[6] = _crypt_itoa64[(value >> 6) & 0x3f]; + output[7] = _crypt_itoa64[(value >> 12) & 0x3f]; + output[8] = _crypt_itoa64[(value >> 18) & 0x3f]; + output[9] = '\0'; + + return output; +} + +char *_crypt_gensalt_md5_rn(unsigned long count, + __CONST char *input, int size, char *output, int output_size) +{ + unsigned long value; + + if (size < 3 || output_size < 3 + 4 + 1 || (count && count != 1000)) { + if (output_size > 0) output[0] = '\0'; + __set_errno((output_size < 3 + 4 + 1) ? ERANGE : EINVAL); + return NULL; + } + + output[0] = '$'; + output[1] = '1'; + output[2] = '$'; + value = (unsigned long)(unsigned char)input[0] | + ((unsigned long)(unsigned char)input[1] << 8) | + ((unsigned long)(unsigned char)input[2] << 16); + output[3] = _crypt_itoa64[value & 0x3f]; + output[4] = _crypt_itoa64[(value >> 6) & 0x3f]; + output[5] = _crypt_itoa64[(value >> 12) & 0x3f]; + output[6] = _crypt_itoa64[(value >> 18) & 0x3f]; + output[7] = '\0'; + + if (size >= 6 && output_size >= 3 + 4 + 4 + 1) { + value = (unsigned long)(unsigned char)input[3] | + ((unsigned long)(unsigned char)input[4] << 8) | + ((unsigned long)(unsigned char)input[5] << 16); + output[7] = _crypt_itoa64[value & 0x3f]; + output[8] = _crypt_itoa64[(value >> 6) & 0x3f]; + output[9] = _crypt_itoa64[(value >> 12) & 0x3f]; + output[10] = _crypt_itoa64[(value >> 18) & 0x3f]; + output[11] = '\0'; + } + + return output; +} diff -ruN crypt-/ow-crypt.h crypt/ow-crypt.h --- crypt-/ow-crypt.h 1970-01-01 01:00:00.000000000 +0100 +++ crypt/ow-crypt.h 2006-09-20 20:56:59.000000000 +0200 @@ -0,0 +1,34 @@ +/* + * Written by Solar Designer and placed in the public domain. + * See crypt_blowfish.c for more information. + */ + +#ifndef _OW_CRYPT_H +#define _OW_CRYPT_H + +#undef __CONST +#ifdef __GNUC__ +#define __CONST __const +#else +#define __CONST +#endif + +#ifndef __SKIP_GNU +extern char *crypt(__CONST char *key, __CONST char *setting); +extern char *crypt_r(__CONST char *key, __CONST char *setting, void *data); +#endif + +#ifndef __SKIP_OW +extern char *crypt_rn(__CONST char *key, __CONST char *setting, + void *data, int size); +extern char *crypt_ra(__CONST char *key, __CONST char *setting, + void **data, int *size); +extern char *crypt_gensalt(__CONST char *prefix, unsigned long count, + __CONST char *input, int size); +extern char *crypt_gensalt_rn(__CONST char *prefix, unsigned long count, + __CONST char *input, int size, char *output, int output_size); +extern char *crypt_gensalt_ra(__CONST char *prefix, unsigned long count, + __CONST char *input, int size); +#endif + +#endif diff -ruN crypt-/wrapper.c crypt/wrapper.c --- crypt-/wrapper.c 1970-01-01 01:00:00.000000000 +0100 +++ crypt/wrapper.c 2006-09-20 20:56:59.000000000 +0200 @@ -0,0 +1,426 @@ +/* + * Written by Solar Designer and placed in the public domain. + * See crypt_blowfish.c for more information. + */ + +#include <stdlib.h> +#include <string.h> + +#include <errno.h> +#ifndef __set_errno +#define __set_errno(val) errno = (val) +#endif + +#ifdef TEST +#include <stdio.h> +#include <signal.h> +#include <time.h> +#include <sys/time.h> +#include <sys/times.h> +#ifdef TEST_THREADS +#include <pthread.h> +#endif +#endif + +#define CRYPT_OUTPUT_SIZE (7 + 22 + 31 + 1) +#define CRYPT_GENSALT_OUTPUT_SIZE (7 + 22 + 1) + +#if defined(__GLIBC__) && defined(_LIBC) +#define __SKIP_GNU +#endif +#include "ow-crypt.h" + +extern char *_crypt_blowfish_rn(__CONST char *key, __CONST char *setting, + char *output, int size); +extern char *_crypt_gensalt_blowfish_rn(unsigned long count, + __CONST char *input, int size, char *output, int output_size); + +extern unsigned char _crypt_itoa64[]; +extern char *_crypt_gensalt_traditional_rn(unsigned long count, + __CONST char *input, int size, char *output, int output_size); +extern char *_crypt_gensalt_extended_rn(unsigned long count, + __CONST char *input, int size, char *output, int output_size); +extern char *_crypt_gensalt_md5_rn(unsigned long count, + __CONST char *input, int size, char *output, int output_size); + +#if defined(__GLIBC__) && defined(_LIBC) +/* crypt.h from glibc-crypt-2.1 will define struct crypt_data for us */ +#include "crypt.h" +extern char *__md5_crypt_r(const char *key, const char *salt, + char *buffer, int buflen); +/* crypt-entry.c needs to be patched to define __des_crypt_r rather than + * __crypt_r, and not define crypt_r and crypt at all */ +extern char *__des_crypt_r(const char *key, const char *salt, + struct crypt_data *data); +extern struct crypt_data _ufc_foobar; +#endif + +static int _crypt_data_alloc(void **data, int *size, int need) +{ + void *updated; + + if (*data && *size >= need) return 0; + + updated = realloc(*data, need); + + if (!updated) { +#ifndef __GLIBC__ + /* realloc(3) on glibc sets errno, so we don't need to bother */ + __set_errno(ENOMEM); +#endif + return -1; + } + +#if defined(__GLIBC__) && defined(_LIBC) + if (need >= sizeof(struct crypt_data)) + ((struct crypt_data *)updated)->initialized = 0; +#endif + + *data = updated; + *size = need; + + return 0; +} + +static char *_crypt_retval_magic(char *retval, __CONST char *setting, + char *output) +{ + if (retval) return retval; + + output[0] = '*'; + output[1] = '0'; + output[2] = '\0'; + + if (setting[0] == '*' && setting[1] == '0') + output[1] = '1'; + + return output; +} + +#if defined(__GLIBC__) && defined(_LIBC) +/* + * Applications may re-use the same instance of struct crypt_data without + * resetting the initialized field in order to let crypt_r() skip some of + * its initialization code. Thus, it is important that our multiple hashing + * algorithms either don't conflict with each other in their use of the + * data area or reset the initialized field themselves whenever required. + * Currently, the hashing algorithms simply have no conflicts: the first + * field of struct crypt_data is the 128-byte large DES key schedule which + * __des_crypt_r() calculates each time it is called while the two other + * hashing algorithms use less than 128 bytes of the data area. + */ + +char *__crypt_rn(__const char *key, __const char *setting, + void *data, int size) +{ + if (setting[0] == '$' && setting[1] == '2') + return _crypt_blowfish_rn(key, setting, (char *)data, size); + if (setting[0] == '$' && setting[1] == '1') + return __md5_crypt_r(key, setting, (char *)data, size); + if (setting[0] == '$' || setting[0] == '_') { + __set_errno(EINVAL); + return NULL; + } + if (size >= sizeof(struct crypt_data)) + return __des_crypt_r(key, setting, (struct crypt_data *)data); + __set_errno(ERANGE); + return NULL; +} + +char *__crypt_ra(__const char *key, __const char *setting, + void **data, int *size) +{ + if (setting[0] == '$' && setting[1] == '2') { + if (_crypt_data_alloc(data, size, CRYPT_OUTPUT_SIZE)) + return NULL; + return _crypt_blowfish_rn(key, setting, (char *)*data, *size); + } + if (setting[0] == '$' && setting[1] == '1') { + if (_crypt_data_alloc(data, size, CRYPT_OUTPUT_SIZE)) + return NULL; + return __md5_crypt_r(key, setting, (char *)*data, *size); + } + if (setting[0] == '$' || setting[0] == '_') { + __set_errno(EINVAL); + return NULL; + } + if (_crypt_data_alloc(data, size, sizeof(struct crypt_data))) + return NULL; + return __des_crypt_r(key, setting, (struct crypt_data *)*data); +} + +char *__crypt_r(__const char *key, __const char *setting, + struct crypt_data *data) +{ + return _crypt_retval_magic( + __crypt_rn(key, setting, data, sizeof(*data)), + setting, (char *)data); +} + +char *__crypt(__const char *key, __const char *setting) +{ + return _crypt_retval_magic( + __crypt_rn(key, setting, &_ufc_foobar, sizeof(_ufc_foobar)), + setting, (char *)&_ufc_foobar); +} +#else +char *crypt_rn(__CONST char *key, __CONST char *setting, void *data, int size) +{ + return _crypt_blowfish_rn(key, setting, (char *)data, size); +} + +char *crypt_ra(__CONST char *key, __CONST char *setting, + void **data, int *size) +{ + if (_crypt_data_alloc(data, size, CRYPT_OUTPUT_SIZE)) + return NULL; + return _crypt_blowfish_rn(key, setting, (char *)*data, *size); +} + +char *crypt_r(__CONST char *key, __CONST char *setting, void *data) +{ + return _crypt_retval_magic( + crypt_rn(key, setting, data, CRYPT_OUTPUT_SIZE), + setting, (char *)data); +} + +char *crypt(__CONST char *key, __CONST char *setting) +{ + static char output[CRYPT_OUTPUT_SIZE]; + + return _crypt_retval_magic( + crypt_rn(key, setting, output, sizeof(output)), + setting, output); +} + +#define __crypt_gensalt_rn crypt_gensalt_rn +#define __crypt_gensalt_ra crypt_gensalt_ra +#define __crypt_gensalt crypt_gensalt +#endif + +char *__crypt_gensalt_rn(__CONST char *prefix, unsigned long count, + __CONST char *input, int size, char *output, int output_size) +{ + char *(*use)(unsigned long count, + __CONST char *input, int size, char *output, int output_size); + + /* This may be supported on some platforms in the future */ + if (!input) { + __set_errno(EINVAL); + return NULL; + } + + if (!strncmp(prefix, "$2a$", 4)) + use = _crypt_gensalt_blowfish_rn; + else + if (!strncmp(prefix, "$1$", 3)) + use = _crypt_gensalt_md5_rn; + else + if (prefix[0] == '_') + use = _crypt_gensalt_extended_rn; + else + if (!prefix[0] || + (prefix[0] && prefix[1] && + memchr(_crypt_itoa64, prefix[0], 64) && + memchr(_crypt_itoa64, prefix[1], 64))) + use = _crypt_gensalt_traditional_rn; + else { + __set_errno(EINVAL); + return NULL; + } + + return use(count, input, size, output, output_size); +} + +char *__crypt_gensalt_ra(__CONST char *prefix, unsigned long count, + __CONST char *input, int size) +{ + char output[CRYPT_GENSALT_OUTPUT_SIZE]; + char *retval; + + retval = __crypt_gensalt_rn(prefix, count, + input, size, output, sizeof(output)); + + if (retval) { + retval = strdup(retval); +#ifndef __GLIBC__ + /* strdup(3) on glibc sets errno, so we don't need to bother */ + if (!retval) + __set_errno(ENOMEM); +#endif + } + + return retval; +} + +char *__crypt_gensalt(__CONST char *prefix, unsigned long count, + __CONST char *input, int size) +{ + static char output[CRYPT_GENSALT_OUTPUT_SIZE]; + + return __crypt_gensalt_rn(prefix, count, + input, size, output, sizeof(output)); +} + +#if defined(__GLIBC__) && defined(_LIBC) +weak_alias(__crypt_rn, crypt_rn) +weak_alias(__crypt_ra, crypt_ra) +weak_alias(__crypt_r, crypt_r) +weak_alias(__crypt, crypt) +weak_alias(__crypt_gensalt_rn, crypt_gensalt_rn) +weak_alias(__crypt_gensalt_ra, crypt_gensalt_ra) +weak_alias(__crypt_gensalt, crypt_gensalt) +#endif + +#ifdef TEST +static struct { + char *hash; + char *pw; +} tests[] = { + {"$2a$05$CCCCCCCCCCCCCCCCCCCCC.E5YPO9kmyuRGyh0XouQYb4YMJKvyOeW", + "U*U"}, + {"$2a$05$CCCCCCCCCCCCCCCCCCCCC.VGOzA784oUp/Z0DY336zx7pLYAy0lwK", + "U*U*"}, + {"$2a$05$XXXXXXXXXXXXXXXXXXXXXOAcXxm9kjPGEMsLznoKqmqw7tc8WCx4a", + "U*U*U"}, + {"$2a$05$CCCCCCCCCCCCCCCCCCCCC.7uG0VCzI2bS7j6ymqJi9CdcdxiRTWNy", + ""}, + {"$2a$05$abcdefghijklmnopqrstuu5s2v8.iXieOjg/.AySBTTZIIVFJeBui", + "0123456789abcdefghijklmnopqrstuvwxyz" + "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"}, + {NULL, NULL} +}; + +#define which tests[0] + +static volatile sig_atomic_t running; + +static void handle_timer(int signum) +{ + running = 0; +} + +static void *run(void *arg) +{ + unsigned long count = 0; + int i = 0; + void *data = NULL; + int size = 0x12345678; + + do { + if (strcmp(crypt_ra(tests[i].pw, tests[i].hash, &data, &size), + tests[i].hash)) { + printf("%d: FAILED (crypt_ra/%d/%lu)\n", + (char *)arg - (char *)0, i, count); + free(data); + return NULL; + } + if (!tests[++i].hash) i = 0; + count++; + } while (running); + + free(data); + return count + (char *)0; +} + +int main(void) +{ + struct itimerval it; + struct tms buf; + clock_t start_real, start_virtual, end_real, end_virtual; + unsigned long count; + void *data; + int size; + char *setting1, *setting2; + int i; +#ifdef TEST_THREADS + pthread_t t[TEST_THREADS]; + void *t_retval; +#endif + + for (i = 0; tests[i].hash; i++) + if (strcmp(crypt(tests[i].pw, tests[i].hash), tests[i].hash)) { + printf("FAILED (crypt/%d)\n", i); + return 1; + } + + data = NULL; + size = 0x12345678; + for (i = 0; tests[i].hash; i++) + if (strcmp(crypt_ra(tests[i].pw, tests[i].hash, &data, &size), + tests[i].hash)) { + printf("FAILED (crypt_ra/%d)\n", i); + return 1; + } + + setting1 = crypt_gensalt(which.hash, 12, data, size); + if (!setting1 || strncmp(setting1, "$2a$12$", 7)) { + puts("FAILED (crypt_gensalt)\n"); + return 1; + } + + setting2 = crypt_gensalt_ra(setting1, 12, data, size); + if (strcmp(setting1, setting2)) { + puts("FAILED (crypt_gensalt_ra/1)\n"); + return 1; + } + + (*(char *)data)++; + setting1 = crypt_gensalt_ra(setting2, 12, data, size); + if (!strcmp(setting1, setting2)) { + puts("FAILED (crypt_gensalt_ra/2)\n"); + return 1; + } + + free(setting1); + free(setting2); + free(data); + + running = 1; + signal(SIGALRM, handle_timer); + + memset(&it, 0, sizeof(it)); + it.it_value.tv_sec = 5; + setitimer(ITIMER_REAL, &it, NULL); + + start_real = times(&buf); + start_virtual = buf.tms_utime + buf.tms_stime; + + count = (char *)run((char *)0) - (char *)0; + + end_real = times(&buf); + end_virtual = buf.tms_utime + buf.tms_stime; + if (end_virtual == start_virtual) end_virtual++; + + printf("%.1f c/s real, %.1f c/s virtual\n", + (float)count * CLK_TCK / (end_real - start_real), + (float)count * CLK_TCK / (end_virtual - start_virtual)); + +#ifdef TEST_THREADS + running = 1; + it.it_value.tv_sec = 60; + setitimer(ITIMER_REAL, &it, NULL); + start_real = times(&buf); + + for (i = 0; i < TEST_THREADS; i++) + if (pthread_create(&t[i], NULL, run, i + (char *)0)) { + perror("pthread_create"); + return 1; + } + + for (i = 0; i < TEST_THREADS; i++) { + if (pthread_join(t[i], &t_retval)) { + perror("pthread_join"); + continue; + } + if (!t_retval) continue; + count = (char *)t_retval - (char *)0; + end_real = times(&buf); + printf("%d: %.1f c/s real\n", i, + (float)count * CLK_TCK / (end_real - start_real)); + } +#endif + + return 0; +} +#endif
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