From d19ea481618420922b533a8b0ed049109404cb13 Mon Sep 17 00:00:00 2001 From: Florin Onica Date: Tue, 23 Oct 2018 21:48:38 +0300 Subject: [PATCH 1/2] update blowfish imprementation to latest version (1.3) --- ext/jruby/bcrypt_jruby/BCrypt.java | 875 +++++++++++++++++------------ ext/mri/crypt.h | 13 +- ext/mri/crypt_blowfish.c | 409 +++++++++----- ext/mri/crypt_blowfish.h | 27 + ext/mri/crypt_gensalt.c | 39 +- ext/mri/crypt_gensalt.h | 30 + ext/mri/ow-crypt.h | 42 +- ext/mri/wrapper.c | 381 +++++++++++-- lib/bcrypt/engine.rb | 2 +- spec/bcrypt/engine_spec.rb | 26 +- 10 files changed, 1270 insertions(+), 574 deletions(-) create mode 100644 ext/mri/crypt_blowfish.h create mode 100644 ext/mri/crypt_gensalt.h diff --git a/ext/jruby/bcrypt_jruby/BCrypt.java b/ext/jruby/bcrypt_jruby/BCrypt.java index 0846005..86db91b 100644 --- a/ext/jruby/bcrypt_jruby/BCrypt.java +++ b/ext/jruby/bcrypt_jruby/BCrypt.java @@ -11,11 +11,10 @@ // WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN // ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF // OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - package bcrypt_jruby; import java.io.UnsupportedEncodingException; - +import java.util.Arrays; import java.security.SecureRandom; /** @@ -54,12 +53,12 @@ * String stronger_salt = BCrypt.gensalt(12)
* *

- * The amount of work increases exponentially (2**log_rounds), so + * The amount of work increases exponentially (2**log_rounds), so * each increment is twice as much work. The default log_rounds is * 10, and the valid range is 4 to 31. * * @author Damien Miller - * @version 0.2 + * @version 0.3 */ public class BCrypt { // BCrypt parameters @@ -71,326 +70,328 @@ public class BCrypt { // Initial contents of key schedule private static final int P_orig[] = { - 0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344, - 0xa4093822, 0x299f31d0, 0x082efa98, 0xec4e6c89, - 0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c, - 0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917, - 0x9216d5d9, 0x8979fb1b + 0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344, + 0xa4093822, 0x299f31d0, 0x082efa98, 0xec4e6c89, + 0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c, + 0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917, + 0x9216d5d9, 0x8979fb1b }; private static final int S_orig[] = { - 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, 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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 }; // bcrypt IV: "OrpheanBeholderScryDoubt" static private final int bf_crypt_ciphertext[] = { - 0x4f727068, 0x65616e42, 0x65686f6c, - 0x64657253, 0x63727944, 0x6f756274 + 0x4f727068, 0x65616e42, 0x65686f6c, + 0x64657253, 0x63727944, 0x6f756274 }; // Table for Base64 encoding static private final char base64_code[] = { - '.', '/', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', - 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', - 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', - 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', - 'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', - '6', '7', '8', '9' + '.', '/', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', + 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', + 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', + 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', + 'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', + '6', '7', '8', '9' }; // Table for Base64 decoding static private final byte index_64[] = { - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, 0, 1, 54, 55, - 56, 57, 58, 59, 60, 61, 62, 63, -1, -1, - -1, -1, -1, -1, -1, 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, - -1, -1, -1, -1, -1, -1, 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, -1, -1, -1, -1, -1 + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, 0, 1, 54, 55, + 56, 57, 58, 59, 60, 61, 62, 63, -1, -1, + -1, -1, -1, -1, -1, 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, + -1, -1, -1, -1, -1, -1, 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, -1, -1, -1, -1, -1 }; + static final int MIN_LOG_ROUNDS = 4; + static final int MAX_LOG_ROUNDS = 31; // Expanded Blowfish key private int P[]; private int S[]; /** - * Encode a byte array using bcrypt's slightly-modified base64 - * encoding scheme. Note that this is *not* compatible with - * the standard MIME-base64 encoding. + * Encode a byte array using bcrypt's slightly-modified base64 encoding scheme. Note + * that this is not compatible with the standard MIME-base64 + * encoding. * - * @param d the byte array to encode - * @param len the number of bytes to encode - * @return base64-encoded string + * @param d the byte array to encode + * @param len the number of bytes to encode + * @param rs the destination buffer for the base64-encoded string * @exception IllegalArgumentException if the length is invalid */ - private static String encode_base64(byte d[], int len) - throws IllegalArgumentException { + static void encode_base64(byte d[], int len, StringBuilder rs) + throws IllegalArgumentException { int off = 0; - StringBuilder rs = new StringBuilder(); int c1, c2; - if (len <= 0 || len > d.length) - throw new IllegalArgumentException ("Invalid len"); + if (len <= 0 || len > d.length) { + throw new IllegalArgumentException("Invalid len"); + } while (off < len) { c1 = d[off++] & 0xff; @@ -413,7 +414,6 @@ private static String encode_base64(byte d[], int len) rs.append(base64_code[c1 & 0x3f]); rs.append(base64_code[c2 & 0x3f]); } - return rs.toString(); } /** @@ -423,9 +423,9 @@ private static String encode_base64(byte d[], int len) * @return the decoded value of x */ private static byte char64(char x) { - if ((int)x < 0 || (int)x > index_64.length) + if ((int) x < 0 || (int) x >= index_64.length) return -1; - return index_64[(int)x]; + return index_64[(int) x]; } /** @@ -437,8 +437,8 @@ private static byte char64(char x) { * @return an array containing the decoded bytes * @throws IllegalArgumentException if maxolen is invalid */ - private static byte[] decode_base64(String s, int maxolen) - throws IllegalArgumentException { + static byte[] decode_base64(String s, int maxolen) + throws IllegalArgumentException { StringBuilder rs = new StringBuilder(); int off = 0, slen = s.length(), olen = 0; byte ret[]; @@ -452,29 +452,29 @@ private static byte[] decode_base64(String s, int maxolen) c2 = char64(s.charAt(off++)); if (c1 == -1 || c2 == -1) break; - o = (byte)(c1 << 2); + o = (byte) (c1 << 2); o |= (c2 & 0x30) >> 4; - rs.append((char)o); + rs.append((char) o); if (++olen >= maxolen || off >= slen) break; c3 = char64(s.charAt(off++)); if (c3 == -1) break; - o = (byte)((c2 & 0x0f) << 4); + o = (byte) ((c2 & 0x0f) << 4); o |= (c3 & 0x3c) >> 2; - rs.append((char)o); + rs.append((char) o); if (++olen >= maxolen || off >= slen) break; c4 = char64(s.charAt(off++)); - o = (byte)((c3 & 0x03) << 6); + o = (byte) ((c3 & 0x03) << 6); o |= c4; - rs.append((char)o); + rs.append((char) o); ++olen; } ret = new byte[olen]; for (off = 0; off < olen; off++) - ret[off] = (byte)rs.charAt(off); + ret[off] = (byte) rs.charAt(off); return ret; } @@ -512,42 +512,77 @@ private final void encipher(int lr[], int off) { * @param data the string to extract the data from * @param offp a "pointer" (as a one-entry array) to the * current offset into data - * @return the next word of material from data + * @param signp a "pointer" (as a one-entry array) to the + * cumulative flag for non-benign sign extension + * @return correct and buggy next word of material from data as int[2] */ - private static int streamtoword(byte data[], int offp[]) { + private static int[] streamtowords(byte data[], int offp[], int signp[]) { int i; - int word = 0; + int words[] = { 0, 0 }; int off = offp[0]; + int sign = signp[0]; for (i = 0; i < 4; i++) { - word = (word << 8) | (data[off] & 0xff); + words[0] = (words[0] << 8) | (data[off] & 0xff); + words[1] = (words[1] << 8) | (int) data[off]; // sign extension bug + if (i > 0) sign |= words[1] & 0x80; off = (off + 1) % data.length; } offp[0] = off; - return word; + signp[0] = sign; + return words; + } + + /** + * Cycically extract a word of key material + * @param data the string to extract the data from + * @param offp a "pointer" (as a one-entry array) to the + * current offset into data + * @return the next word of material from data + */ + private static int streamtoword(byte data[], int offp[]) { + int signp[] = { 0 }; + return streamtowords(data, offp, signp)[0]; + } + + /** + * Cycically extract a word of key material, with sign-extension bug + * @param data the string to extract the data from + * @param offp a "pointer" (as a one-entry array) to the + * current offset into data + * @return the next word of material from data + */ + private static int streamtoword_bug(byte data[], int offp[]) { + int signp[] = { 0 }; + return streamtowords(data, offp, signp)[1]; } /** * Initialise the Blowfish key schedule */ private void init_key() { - P = (int[])P_orig.clone(); - S = (int[])S_orig.clone(); + P = P_orig.clone(); + S = S_orig.clone(); } /** * Key the Blowfish cipher * @param key an array containing the key + * @param sign_ext_bug true to implement the 2x bug + * @param safety bit 16 is set when the safety measure is requested */ - private void key(byte key[]) { + private void key(byte key[], boolean sign_ext_bug, int safety) { int i; int koffp[] = { 0 }; int lr[] = { 0, 0 }; int plen = P.length, slen = S.length; for (i = 0; i < plen; i++) - P[i] = P[i] ^ streamtoword(key, koffp); + if (!sign_ext_bug) + P[i] = P[i] ^ streamtoword(key, koffp); + else + P[i] = P[i] ^ streamtoword_bug(key, koffp); for (i = 0; i < plen; i += 2) { encipher(lr, 0); @@ -568,15 +603,53 @@ private void key(byte key[]) { * http://www.openbsd.org/papers/bcrypt-paper.ps * @param data salt information * @param key password information + * @param sign_ext_bug true to implement the 2x bug + * @param safety bit 16 is set when the safety measure is requested */ - private void ekskey(byte data[], byte key[]) { + private void ekskey(byte data[], byte key[], + boolean sign_ext_bug, int safety) { int i; int koffp[] = { 0 }, doffp[] = { 0 }; int lr[] = { 0, 0 }; int plen = P.length, slen = S.length; + int signp[] = { 0 }; // non-benign sign-extension flag + int diff = 0; // zero iff correct and buggy are same - for (i = 0; i < plen; i++) - P[i] = P[i] ^ streamtoword(key, koffp); + for (i = 0; i < plen; i++) { + int words[] = streamtowords(key, koffp, signp); + diff |= words[0] ^ words[1]; + P[i] = P[i] ^ words[sign_ext_bug ? 1 : 0]; + } + + int sign = signp[0]; + + /* + * At this point, "diff" is zero iff the correct and buggy algorithms produced + * exactly the same result. If so and if "sign" is non-zero, which indicates + * that there was a non-benign sign extension, this means that we have a + * collision between the correctly computed hash for this password and a set of + * passwords that could be supplied to the buggy algorithm. Our safety measure + * is meant to protect from such many-buggy to one-correct collisions, by + * deviating from the correct algorithm in such cases. Let's check for this. + */ + diff |= diff >> 16; /* still zero iff exact match */ + diff &= 0xffff; /* ditto */ + diff += 0xffff; /* bit 16 set iff "diff" was non-zero (on non-match) */ + sign <<= 9; /* move the non-benign sign extension flag to bit 16 */ + sign &= ~diff & safety; /* action needed? */ + + /* + * If we have determined that we need to deviate from the correct algorithm, + * flip bit 16 in initial expanded key. (The choice of 16 is arbitrary, but + * let's stick to it now. It came out of the approach we used above, and it's + * not any worse than any other choice we could make.) + * + * It is crucial that we don't do the same to the expanded key used in the main + * Eksblowfish loop. By doing it to only one of these two, we deviate from a + * state that could be directly specified by a password to the buggy algorithm + * (and to the fully correct one as well, but that's a side-effect). + */ + P[0] ^= sign; for (i = 0; i < plen; i += 2) { lr[0] ^= streamtoword(data, doffp); @@ -595,6 +668,13 @@ private void ekskey(byte data[], byte key[]) { } } + static long roundsForLogRounds(int log_rounds) { + if (log_rounds < 4 || log_rounds > 31) { + throw new IllegalArgumentException("Bad number of rounds"); + } + return 1L << log_rounds; + } + /** * Perform the central password hashing step in the * bcrypt scheme @@ -602,11 +682,14 @@ private void ekskey(byte data[], byte key[]) { * @param salt the binary salt to hash with the password * @param log_rounds the binary logarithm of the number * of rounds of hashing to apply + * @param sign_ext_bug true to implement the 2x bug + * @param safety bit 16 is set when the safety measure is requested * @return an array containing the binary hashed password */ - private byte[] crypt_raw(byte password[], byte salt[], int log_rounds) { + private byte[] crypt_raw(byte password[], byte salt[], int log_rounds, + boolean sign_ext_bug, int safety) { int rounds, i, j; - int cdata[] = (int[])bf_crypt_ciphertext.clone(); + int cdata[] = bf_crypt_ciphertext.clone(); int clen = cdata.length; byte ret[]; @@ -617,10 +700,10 @@ private byte[] crypt_raw(byte password[], byte salt[], int log_rounds) { throw new IllegalArgumentException ("Bad salt length"); init_key(); - ekskey(salt, password); + ekskey(salt, password, sign_ext_bug, safety); for (i = 0; i < rounds; i++) { - key(password); - key(salt); + key(password, sign_ext_bug, safety); + key(salt, false, safety); } for (i = 0; i < 64; i++) { @@ -630,10 +713,10 @@ private byte[] crypt_raw(byte password[], byte salt[], int log_rounds) { ret = new byte[clen * 4]; for (i = 0, j = 0; i < clen; i++) { - ret[j++] = (byte)((cdata[i] >> 24) & 0xff); - ret[j++] = (byte)((cdata[i] >> 16) & 0xff); - ret[j++] = (byte)((cdata[i] >> 8) & 0xff); - ret[j++] = (byte)(cdata[i] & 0xff); + ret[j++] = (byte) ((cdata[i] >> 24) & 0xff); + ret[j++] = (byte) ((cdata[i] >> 16) & 0xff); + ret[j++] = (byte) ((cdata[i] >> 8) & 0xff); + ret[j++] = (byte) (cdata[i] & 0xff); } return ret; } @@ -646,20 +729,50 @@ private byte[] crypt_raw(byte password[], byte salt[], int log_rounds) { * @return the hashed password */ public static String hashpw(String password, String salt) { + byte passwordb[]; + + try { + passwordb = password.getBytes("UTF-8"); + } catch (UnsupportedEncodingException uee) { + throw new AssertionError("UTF-8 is not supported"); + } + + return hashpw(passwordb, salt); + } + + /** + * Hash a password using the OpenBSD bcrypt scheme + * @param passwordb the password to hash, as a byte array + * @param salt the salt to hash with (perhaps generated + * using BCrypt.gensalt) + * @return the hashed password + */ + public static String hashpw(byte passwordb[], String salt) { BCrypt B; String real_salt; - byte passwordb[], saltb[], hashed[]; - char minor = (char)0; - int rounds, off = 0; + byte saltb[], hashed[]; + char minor = (char) 0; + int rounds, off; StringBuilder rs = new StringBuilder(); + if (salt == null) { + throw new IllegalArgumentException("salt cannot be null"); + } + + int saltLength = salt.length(); + + if (saltLength < 28) { + throw new IllegalArgumentException("Invalid salt"); + } + if (salt.charAt(0) != '$' || salt.charAt(1) != '2') throw new IllegalArgumentException ("Invalid salt version"); if (salt.charAt(2) == '$') off = 3; else { minor = salt.charAt(2); - if (minor != 'a' || salt.charAt(3) != '$') + if ((minor != 'a' && minor != 'x' && minor != 'y' && minor != 'b') + || salt.charAt(3) != '$') throw new IllegalArgumentException ("Invalid salt revision"); off = 4; } @@ -670,16 +783,13 @@ public static String hashpw(String password, String salt) { rounds = Integer.parseInt(salt.substring(off, off + 2)); real_salt = salt.substring(off + 3, off + 25); - try { - passwordb = (password + (minor >= 'a' ? "\000" : "")).getBytes("UTF-8"); - } catch (UnsupportedEncodingException uee) { - throw new AssertionError("UTF-8 is not supported"); - } - saltb = decode_base64(real_salt, BCRYPT_SALT_LEN); + if (minor >= 'a') // add null terminator + passwordb = Arrays.copyOf(passwordb, passwordb.length + 1); + B = new BCrypt(); - hashed = B.crypt_raw(passwordb, saltb, rounds); + hashed = B.crypt_raw(passwordb, saltb, rounds, minor == 'x', minor == 'a' ? 0x10000 : 0); rs.append("$2"); if (minor >= 'a') @@ -687,48 +797,95 @@ public static String hashpw(String password, String salt) { rs.append("$"); if (rounds < 10) rs.append("0"); - rs.append(Integer.toString(rounds)); + rs.append(rounds); rs.append("$"); - rs.append(encode_base64(saltb, saltb.length)); - rs.append(encode_base64(hashed, - bf_crypt_ciphertext.length * 4 - 1)); + encode_base64(saltb, saltb.length, rs); + encode_base64(hashed, bf_crypt_ciphertext.length * 4 - 1, rs); return rs.toString(); } /** * Generate a salt for use with the BCrypt.hashpw() method + * @param prefix the prefix value (default $2a) * @param log_rounds the log2 of the number of rounds of * hashing to apply - the work factor therefore increases as * 2**log_rounds. * @param random an instance of SecureRandom to use * @return an encoded salt value + * @exception IllegalArgumentException if prefix or log_rounds is invalid */ - public static String gensalt(int log_rounds, SecureRandom random) { + public static String gensalt(String prefix, int log_rounds, SecureRandom random) + throws IllegalArgumentException { StringBuilder rs = new StringBuilder(); byte rnd[] = new byte[BCRYPT_SALT_LEN]; + if (!prefix.startsWith("$2") || + (prefix.charAt(2) != 'a' && prefix.charAt(2) != 'y' && + prefix.charAt(2) != 'b')) { + throw new IllegalArgumentException ("Invalid prefix"); + } + if (log_rounds < 4 || log_rounds > 31) { + throw new IllegalArgumentException ("Invalid log_rounds"); + } + random.nextBytes(rnd); - rs.append("$2a$"); + rs.append("$2"); + rs.append(prefix.charAt(2)); + rs.append("$"); if (log_rounds < 10) rs.append("0"); - rs.append(Integer.toString(log_rounds)); + rs.append(log_rounds); rs.append("$"); - rs.append(encode_base64(rnd, rnd.length)); + encode_base64(rnd, rnd.length, rs); return rs.toString(); } /** * Generate a salt for use with the BCrypt.hashpw() method + * @param prefix the prefix value (default $2a) * @param log_rounds the log2 of the number of rounds of * hashing to apply - the work factor therefore increases as * 2**log_rounds. * @return an encoded salt value + * @exception IllegalArgumentException if prefix or log_rounds is invalid */ - public static String gensalt(int log_rounds) { + public static String gensalt(String prefix, int log_rounds) + throws IllegalArgumentException { + return gensalt(prefix, log_rounds, new SecureRandom()); + } + + /** + * Generate a salt for use with the BCrypt.hashpw() method + * @param log_rounds the log2 of the number of rounds of + * hashing to apply - the work factor therefore increases as + * 2**log_rounds. + * @param random an instance of SecureRandom to use + * @return an encoded salt value + * @exception IllegalArgumentException if log_rounds is invalid + */ + public static String gensalt(int log_rounds, SecureRandom random) + throws IllegalArgumentException { + return gensalt("$2a", log_rounds, random); + } + + /** + * Generate a salt for use with the BCrypt.hashpw() method + * @param log_rounds the log2 of the number of rounds of + * hashing to apply - the work factor therefore increases as + * 2**log_rounds. + * @return an encoded salt value + * @exception IllegalArgumentException if log_rounds is invalid + */ + public static String gensalt(int log_rounds) + throws IllegalArgumentException { return gensalt(log_rounds, new SecureRandom()); } + public static String gensalt(String prefix) { + return gensalt(prefix, GENSALT_DEFAULT_LOG2_ROUNDS); + } + /** * Generate a salt for use with the BCrypt.hashpw() method, * selecting a reasonable default for the number of hashing @@ -747,6 +904,22 @@ public static String gensalt() { * @return true if the passwords match, false otherwise */ public static boolean checkpw(String plaintext, String hashed) { - return (hashed.compareTo(hashpw(plaintext, hashed)) == 0); + return equalsNoEarlyReturn(hashed, hashpw(plaintext, hashed)); + } + + static boolean equalsNoEarlyReturn(String a, String b) { + char[] caa = a.toCharArray(); + char[] cab = b.toCharArray(); + + if (caa.length != cab.length) { + return false; + } + + byte ret = 0; + for (int i = 0; i < caa.length; i++) { + ret |= caa[i] ^ cab[i]; + } + return ret == 0; } } + diff --git a/ext/mri/crypt.h b/ext/mri/crypt.h index c923fa4..12e6705 100644 --- a/ext/mri/crypt.h +++ b/ext/mri/crypt.h @@ -1,5 +1,16 @@ /* - * Written by Solar Designer and placed in the public domain. + * Written by Solar Designer in 2000-2002. + * No copyright is claimed, and the software is hereby placed in the public + * domain. In case this attempt to disclaim copyright and place the software + * in the public domain is deemed null and void, then the software is + * Copyright (c) 2000-2002 Solar Designer and it is hereby released to the + * general public under the following terms: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted. + * + * There's ABSOLUTELY NO WARRANTY, express or implied. + * * See crypt_blowfish.c for more information. */ diff --git a/ext/mri/crypt_blowfish.c b/ext/mri/crypt_blowfish.c index cf96c17..9d3f3be 100644 --- a/ext/mri/crypt_blowfish.c +++ b/ext/mri/crypt_blowfish.c @@ -1,26 +1,38 @@ /* + * The crypt_blowfish homepage is: + * + * http://www.openwall.com/crypt/ + * * 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 in 1998-2002 and - * placed in the public domain. Quick self-test added in 2011 and also - * placed in the public domain. + * Written by Solar Designer in 1998-2014. + * No copyright is claimed, and the software is hereby placed in the public + * domain. In case this attempt to disclaim copyright and place the software + * in the public domain is deemed null and void, then the software is + * Copyright (c) 1998-2014 Solar Designer and it is hereby released to the + * general public under the following terms: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted. * - * There's absolutely no warranty. + * There's ABSOLUTELY NO WARRANTY, express or implied. * * 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, + * as 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 , and uses some of his - * ideas. The password hashing algorithm was designed by David Mazieres - * . + * This implementation is fully compatible with OpenBSD's bcrypt.c for prefix + * "$2b$", originally by Niels Provos , and it uses + * some of his ideas. The password hashing algorithm was designed by David + * Mazieres . For information on the level of + * compatibility for bcrypt hash prefixes other than "$2b$", please refer to + * the comments in BF_set_key() below and to the included crypt(3) man page. * * There's a paper on the algorithm that explains its design decisions: * @@ -38,21 +50,13 @@ #define __set_errno(val) errno = (val) #endif -#undef __CONST -#ifdef __GNUC__ -#define __CONST __const -#else -#define __CONST -#endif +/* Just to make sure the prototypes match the actual definitions */ +#include "crypt_blowfish.h" -/* - * Please keep this enabled. We really don't want incompatible hashes to be - * produced. The performance cost of this quick self-test is around 0.6% at - * the "$2a$08" setting. - */ -#define BF_SELF_TEST - -#if defined(__x86_64__) || defined(__alpha__) || defined(__hppa__) +#ifdef __i386__ +#define BF_ASM 1 +#define BF_SCALE 1 +#elif defined(__x86_64__) || defined(__alpha__) || defined(__hppa__) #define BF_ASM 0 #define BF_SCALE 1 #else @@ -369,14 +373,6 @@ static unsigned char BF_atoi64[0x60] = { 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) -{ - memset(data, 0, size); -} - #define BF_safe_atoi64(dst, src) \ { \ tmp = (unsigned char)(src); \ @@ -386,11 +382,11 @@ static void clean(void *data, int size) (dst) = tmp; \ } -static int BF_decode(BF_word *dst, __CONST char *src, int size) +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; + const unsigned char *sptr = (const unsigned char *)src; unsigned int tmp, c1, c2, c3, c4; do { @@ -410,10 +406,10 @@ static int BF_decode(BF_word *dst, __CONST char *src, int size) return 0; } -static void BF_encode(char *dst, __CONST BF_word *src, int size) +static void BF_encode(char *dst, const BF_word *src, int size) { - unsigned char *sptr = (unsigned char *)src; - unsigned char *end = sptr + size; + const unsigned char *sptr = (const unsigned char *)src; + const unsigned char *end = sptr + size; unsigned char *dptr = (unsigned char *)dst; unsigned int c1, c2; @@ -521,6 +517,10 @@ static void BF_swap(BF_word *x, int count) 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; \ @@ -538,35 +538,121 @@ static void BF_swap(BF_word *x, int count) *(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, - int sign_extension_bug) +static void BF_set_key(const char *key, BF_key expanded, BF_key initial, + unsigned char flags) { - __CONST char *ptr = key; - int i, j; - BF_word tmp; + const char *ptr = key; + unsigned int bug, i, j; + BF_word safety, sign, diff, tmp[2]; + +/* + * There was a sign extension bug in older revisions of this function. While + * we would have liked to simply fix the bug and move on, we have to provide + * a backwards compatibility feature (essentially the bug) for some systems and + * a safety measure for some others. The latter is needed because for certain + * multiple inputs to the buggy algorithm there exist easily found inputs to + * the correct algorithm that produce the same hash. Thus, we optionally + * deviate from the correct algorithm just enough to avoid such collisions. + * While the bug itself affected the majority of passwords containing + * characters with the 8th bit set (although only a percentage of those in a + * collision-producing way), the anti-collision safety measure affects + * only a subset of passwords containing the '\xff' character (not even all of + * those passwords, just some of them). This character is not found in valid + * UTF-8 sequences and is rarely used in popular 8-bit character encodings. + * Thus, the safety measure is unlikely to cause much annoyance, and is a + * reasonable tradeoff to use when authenticating against existing hashes that + * are not reliably known to have been computed with the correct algorithm. + * + * We use an approach that tries to minimize side-channel leaks of password + * information - that is, we mostly use fixed-cost bitwise operations instead + * of branches or table lookups. (One conditional branch based on password + * length remains. It is not part of the bug aftermath, though, and is + * difficult and possibly unreasonable to avoid given the use of C strings by + * the caller, which results in similar timing leaks anyway.) + * + * For actual implementation, we set an array index in the variable "bug" + * (0 means no bug, 1 means sign extension bug emulation) and a flag in the + * variable "safety" (bit 16 is set when the safety measure is requested). + * Valid combinations of settings are: + * + * Prefix "$2a$": bug = 0, safety = 0x10000 + * Prefix "$2b$": bug = 0, safety = 0 + * Prefix "$2x$": bug = 1, safety = 0 + * Prefix "$2y$": bug = 0, safety = 0 + */ + bug = (unsigned int)flags & 1; + safety = ((BF_word)flags & 2) << 15; + + sign = diff = 0; for (i = 0; i < BF_N + 2; i++) { - tmp = 0; + tmp[0] = tmp[1] = 0; for (j = 0; j < 4; j++) { - tmp <<= 8; - if (sign_extension_bug) - tmp |= (BF_word_signed)(signed char)*ptr; + tmp[0] <<= 8; + tmp[0] |= (unsigned char)*ptr; /* correct */ + tmp[1] <<= 8; + tmp[1] |= (BF_word_signed)(signed char)*ptr; /* bug */ +/* + * Sign extension in the first char has no effect - nothing to overwrite yet, + * and those extra 24 bits will be fully shifted out of the 32-bit word. For + * chars 2, 3, 4 in each four-char block, we set bit 7 of "sign" if sign + * extension in tmp[1] occurs. Once this flag is set, it remains set. + */ + if (j) + sign |= tmp[1] & 0x80; + if (!*ptr) + ptr = key; else - tmp |= (unsigned char)*ptr; - - if (!*ptr) ptr = key; else ptr++; + ptr++; } + diff |= tmp[0] ^ tmp[1]; /* Non-zero on any differences */ - expanded[i] = tmp; - initial[i] = BF_init_state.P[i] ^ tmp; + expanded[i] = tmp[bug]; + initial[i] = BF_init_state.P[i] ^ tmp[bug]; } + +/* + * At this point, "diff" is zero iff the correct and buggy algorithms produced + * exactly the same result. If so and if "sign" is non-zero, which indicates + * that there was a non-benign sign extension, this means that we have a + * collision between the correctly computed hash for this password and a set of + * passwords that could be supplied to the buggy algorithm. Our safety measure + * is meant to protect from such many-buggy to one-correct collisions, by + * deviating from the correct algorithm in such cases. Let's check for this. + */ + diff |= diff >> 16; /* still zero iff exact match */ + diff &= 0xffff; /* ditto */ + diff += 0xffff; /* bit 16 set iff "diff" was non-zero (on non-match) */ + sign <<= 9; /* move the non-benign sign extension flag to bit 16 */ + sign &= ~diff & safety; /* action needed? */ + +/* + * If we have determined that we need to deviate from the correct algorithm, + * flip bit 16 in initial expanded key. (The choice of 16 is arbitrary, but + * let's stick to it now. It came out of the approach we used above, and it's + * not any worse than any other choice we could make.) + * + * It is crucial that we don't do the same to the expanded key used in the main + * Eksblowfish loop. By doing it to only one of these two, we deviate from a + * state that could be directly specified by a password to the buggy algorithm + * (and to the fully correct one as well, but that's a side-effect). + */ + initial[0] ^= sign; } -static char *BF_crypt(__CONST char *key, __CONST char *setting, +static const unsigned char flags_by_subtype[26] = + {2, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 4, 0}; + +static char *BF_crypt(const char *key, const char *setting, char *output, int size, BF_word min) { +#if BF_ASM + extern void _BF_body_r(BF_ctx *ctx); +#endif struct { BF_ctx ctx; BF_key expanded_key; @@ -588,7 +674,8 @@ static char *BF_crypt(__CONST char *key, __CONST char *setting, if (setting[0] != '$' || setting[1] != '2' || - (setting[2] != 'a' && setting[2] != 'x') || + setting[2] < 'a' || setting[2] > 'z' || + !flags_by_subtype[(unsigned int)(unsigned char)setting[2] - 'a'] || setting[3] != '$' || setting[4] < '0' || setting[4] > '3' || setting[5] < '0' || setting[5] > '9' || @@ -600,13 +687,13 @@ static char *BF_crypt(__CONST char *key, __CONST char *setting, count = (BF_word)1 << ((setting[4] - '0') * 10 + (setting[5] - '0')); if (count < min || 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, setting[2] == 'x'); + BF_set_key(key, data.expanded_key, data.ctx.P, + flags_by_subtype[(unsigned int)(unsigned char)setting[2] - 'a']); memcpy(data.ctx.S, BF_init_state.S, sizeof(data.ctx.S)); @@ -636,51 +723,33 @@ static char *BF_crypt(__CONST char *key, __CONST char *setting, } 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(); + int done; + + for (i = 0; i < BF_N + 2; i += 2) { + data.ctx.P[i] ^= data.expanded_key[i]; + data.ctx.P[i + 1] ^= data.expanded_key[i + 1]; + } + + done = 0; + do { + BF_body(); + if (done) + break; + done = 1; + + tmp1 = data.binary.salt[0]; + tmp2 = data.binary.salt[1]; + tmp3 = data.binary.salt[2]; + tmp4 = data.binary.salt[3]; + for (i = 0; i < BF_N; i += 4) { + data.ctx.P[i] ^= tmp1; + data.ctx.P[i + 1] ^= tmp2; + data.ctx.P[i + 2] ^= tmp3; + data.ctx.P[i + 3] ^= tmp4; + } + data.ctx.P[16] ^= tmp1; + data.ctx.P[17] ^= tmp2; + } while (1); } while (--count); for (i = 0; i < 6; i += 2) { @@ -706,64 +775,116 @@ static char *BF_crypt(__CONST char *key, __CONST char *setting, BF_encode(&output[7 + 22], data.binary.output, 23); output[7 + 22 + 31] = '\0'; -#ifndef BF_SELF_TEST -/* 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)); -#endif - return output; } -char *_crypt_blowfish_rn(__CONST char *key, __CONST char *setting, +int _crypt_output_magic(const char *setting, char *output, int size) +{ + if (size < 3) + return -1; + + output[0] = '*'; + output[1] = '0'; + output[2] = '\0'; + + if (setting[0] == '*' && setting[1] == '0') + output[1] = '1'; + + return 0; +} + +/* + * Please preserve the runtime self-test. It serves two purposes at once: + * + * 1. We really can't afford the risk of producing incompatible hashes e.g. + * when there's something like gcc bug 26587 again, whereas an application or + * library integrating this code might not also integrate our external tests or + * it might not run them after every build. Even if it does, the miscompile + * might only occur on the production build, but not on a testing build (such + * as because of different optimization settings). It is painful to recover + * from incorrectly-computed hashes - merely fixing whatever broke is not + * enough. Thus, a proactive measure like this self-test is needed. + * + * 2. We don't want to leave sensitive data from our actual password hash + * computation on the stack or in registers. Previous revisions of the code + * would do explicit cleanups, but simply running the self-test after hash + * computation is more reliable. + * + * The performance cost of this quick self-test is around 0.6% at the "$2a$08" + * setting. + */ +char *_crypt_blowfish_rn(const char *key, const char *setting, char *output, int size) { -#ifdef BF_SELF_TEST - __CONST char *test_key = "8b \xd0\xc1\xd2\xcf\xcc\xd8"; - __CONST char *test_2a = - "$2a$00$abcdefghijklmnopqrstuui1D709vfamulimlGcq0qq3UvuUasvEa" - "\0" - "canary"; - __CONST char *test_2x = - "$2x$00$abcdefghijklmnopqrstuuVUrPmXD6q/nVSSp7pNDhCR9071IfIRe" - "\0" - "canary"; - __CONST char *test_hash, *p; - int ok; - char buf[7 + 22 + 31 + 1 + 6 + 1]; - - output = BF_crypt(key, setting, output, size, 16); - -/* Do a quick self-test. This also happens to overwrite BF_crypt()'s data. */ - test_hash = (setting[2] == 'x') ? test_2x : test_2a; - memcpy(buf, test_hash, sizeof(buf)); - memset(buf, -1, sizeof(buf) - (6 + 1)); /* keep "canary" only */ - p = BF_crypt(test_key, test_hash, buf, sizeof(buf) - 6, 1); - - ok = (p == buf && !memcmp(p, test_hash, sizeof(buf))); - -/* This could reveal what hash type we were using last. Unfortunately, we - * can't reliably clean the test_hash pointer. */ - clean(&buf, sizeof(buf)); + const char *test_key = "8b \xd0\xc1\xd2\xcf\xcc\xd8"; + const char *test_setting = "$2a$00$abcdefghijklmnopqrstuu"; + static const char * const test_hashes[2] = + {"i1D709vfamulimlGcq0qq3UvuUasvEa\0\x55", /* 'a', 'b', 'y' */ + "VUrPmXD6q/nVSSp7pNDhCR9071IfIRe\0\x55"}; /* 'x' */ + const char *test_hash = test_hashes[0]; + char *retval; + const char *p; + int save_errno, ok; + struct { + char s[7 + 22 + 1]; + char o[7 + 22 + 31 + 1 + 1 + 1]; + } buf; + +/* Hash the supplied password */ + _crypt_output_magic(setting, output, size); + retval = BF_crypt(key, setting, output, size, 16); + save_errno = errno; + +/* + * Do a quick self-test. It is important that we make both calls to BF_crypt() + * from the same scope such that they likely use the same stack locations, + * which makes the second call overwrite the first call's sensitive data on the + * stack and makes it more likely that any alignment related issues would be + * detected by the self-test. + */ + memcpy(buf.s, test_setting, sizeof(buf.s)); + if (retval) { + unsigned int flags = flags_by_subtype[ + (unsigned int)(unsigned char)setting[2] - 'a']; + test_hash = test_hashes[flags & 1]; + buf.s[2] = setting[2]; + } + memset(buf.o, 0x55, sizeof(buf.o)); + buf.o[sizeof(buf.o) - 1] = 0; + p = BF_crypt(test_key, buf.s, buf.o, sizeof(buf.o) - (1 + 1), 1); + + ok = (p == buf.o && + !memcmp(p, buf.s, 7 + 22) && + !memcmp(p + (7 + 22), test_hash, 31 + 1 + 1 + 1)); + + { + const char *k = "\xff\xa3" "34" "\xff\xff\xff\xa3" "345"; + BF_key ae, ai, ye, yi; + BF_set_key(k, ae, ai, 2); /* $2a$ */ + BF_set_key(k, ye, yi, 4); /* $2y$ */ + ai[0] ^= 0x10000; /* undo the safety (for comparison) */ + ok = ok && ai[0] == 0xdb9c59bc && ye[17] == 0x33343500 && + !memcmp(ae, ye, sizeof(ae)) && + !memcmp(ai, yi, sizeof(ai)); + } + __set_errno(save_errno); if (ok) - return output; + return retval; /* Should not happen */ + _crypt_output_magic(setting, output, size); __set_errno(EINVAL); /* pretend we don't support this hash type */ return NULL; -#else -#warning Self-test is disabled, please enable - return BF_crypt(key, setting, output, size, 16); -#endif } -char *_crypt_gensalt_blowfish_rn(unsigned long count, - __CONST char *input, int size, char *output, int output_size) +char *_crypt_gensalt_blowfish_rn(const char *prefix, 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))) { + (count && (count < 4 || count > 31)) || + prefix[0] != '$' || prefix[1] != '2' || + (prefix[2] != 'a' && prefix[2] != 'b' && prefix[2] != 'y')) { if (output_size > 0) output[0] = '\0'; __set_errno((output_size < 7 + 22 + 1) ? ERANGE : EINVAL); return NULL; @@ -773,13 +894,13 @@ char *_crypt_gensalt_blowfish_rn(unsigned long count, output[0] = '$'; output[1] = '2'; - output[2] = 'a'; + output[2] = prefix[2]; output[3] = '$'; output[4] = '0' + count / 10; output[5] = '0' + count % 10; output[6] = '$'; - BF_encode(&output[7], (BF_word *)input, 16); + BF_encode(&output[7], (const BF_word *)input, 16); output[7 + 22] = '\0'; return output; diff --git a/ext/mri/crypt_blowfish.h b/ext/mri/crypt_blowfish.h new file mode 100644 index 0000000..2ee0d8c --- /dev/null +++ b/ext/mri/crypt_blowfish.h @@ -0,0 +1,27 @@ +/* + * Written by Solar Designer in 2000-2011. + * No copyright is claimed, and the software is hereby placed in the public + * domain. In case this attempt to disclaim copyright and place the software + * in the public domain is deemed null and void, then the software is + * Copyright (c) 2000-2011 Solar Designer and it is hereby released to the + * general public under the following terms: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted. + * + * There's ABSOLUTELY NO WARRANTY, express or implied. + * + * See crypt_blowfish.c for more information. + */ + +#ifndef _CRYPT_BLOWFISH_H +#define _CRYPT_BLOWFISH_H + +extern int _crypt_output_magic(const char *setting, char *output, int size); +extern char *_crypt_blowfish_rn(const char *key, const char *setting, + char *output, int size); +extern char *_crypt_gensalt_blowfish_rn(const char *prefix, + unsigned long count, + const char *input, int size, char *output, int output_size); + +#endif diff --git a/ext/mri/crypt_gensalt.c b/ext/mri/crypt_gensalt.c index dce9f63..73c15a1 100644 --- a/ext/mri/crypt_gensalt.c +++ b/ext/mri/crypt_gensalt.c @@ -1,5 +1,16 @@ /* - * Written by Solar Designer and placed in the public domain. + * Written by Solar Designer in 2000-2011. + * No copyright is claimed, and the software is hereby placed in the public + * domain. In case this attempt to disclaim copyright and place the software + * in the public domain is deemed null and void, then the software is + * Copyright (c) 2000-2011 Solar Designer and it is hereby released to the + * general public under the following terms: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted. + * + * There's ABSOLUTELY NO WARRANTY, express or implied. + * * See crypt_blowfish.c for more information. * * This file contains salt generation functions for the traditional and @@ -14,19 +25,17 @@ #define __set_errno(val) errno = (val) #endif -#undef __CONST -#ifdef __GNUC__ -#define __CONST __const -#else -#define __CONST -#endif +/* Just to make sure the prototypes match the actual definitions */ +#include "crypt_gensalt.h" 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) +char *_crypt_gensalt_traditional_rn(const char *prefix, unsigned long count, + const char *input, int size, char *output, int output_size) { + (void) prefix; + 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); @@ -40,11 +49,13 @@ char *_crypt_gensalt_traditional_rn(unsigned long count, return output; } -char *_crypt_gensalt_extended_rn(unsigned long count, - __CONST char *input, int size, char *output, int output_size) +char *_crypt_gensalt_extended_rn(const char *prefix, unsigned long count, + const char *input, int size, char *output, int output_size) { unsigned long value; + (void) prefix; + /* 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 || @@ -73,11 +84,13 @@ char *_crypt_gensalt_extended_rn(unsigned long count, return output; } -char *_crypt_gensalt_md5_rn(unsigned long count, - __CONST char *input, int size, char *output, int output_size) +char *_crypt_gensalt_md5_rn(const char *prefix, unsigned long count, + const char *input, int size, char *output, int output_size) { unsigned long value; + (void) prefix; + 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); diff --git a/ext/mri/crypt_gensalt.h b/ext/mri/crypt_gensalt.h new file mode 100644 index 0000000..457bbfe --- /dev/null +++ b/ext/mri/crypt_gensalt.h @@ -0,0 +1,30 @@ +/* + * Written by Solar Designer in 2000-2011. + * No copyright is claimed, and the software is hereby placed in the public + * domain. In case this attempt to disclaim copyright and place the software + * in the public domain is deemed null and void, then the software is + * Copyright (c) 2000-2011 Solar Designer and it is hereby released to the + * general public under the following terms: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted. + * + * There's ABSOLUTELY NO WARRANTY, express or implied. + * + * See crypt_blowfish.c for more information. + */ + +#ifndef _CRYPT_GENSALT_H +#define _CRYPT_GENSALT_H + +extern unsigned char _crypt_itoa64[]; +extern char *_crypt_gensalt_traditional_rn(const char *prefix, + unsigned long count, + const char *input, int size, char *output, int output_size); +extern char *_crypt_gensalt_extended_rn(const char *prefix, + unsigned long count, + const char *input, int size, char *output, int output_size); +extern char *_crypt_gensalt_md5_rn(const char *prefix, unsigned long count, + const char *input, int size, char *output, int output_size); + +#endif diff --git a/ext/mri/ow-crypt.h b/ext/mri/ow-crypt.h index 8dca108..2e48794 100644 --- a/ext/mri/ow-crypt.h +++ b/ext/mri/ow-crypt.h @@ -1,35 +1,43 @@ /* - * Written by Solar Designer and placed in the public domain. + * Written by Solar Designer in 2000-2011. + * No copyright is claimed, and the software is hereby placed in the public + * domain. In case this attempt to disclaim copyright and place the software + * in the public domain is deemed null and void, then the software is + * Copyright (c) 2000-2011 Solar Designer and it is hereby released to the + * general public under the following terms: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted. + * + * There's ABSOLUTELY NO WARRANTY, express or implied. + * * See crypt_blowfish.c for more information. */ #ifndef _OW_CRYPT_H #define _OW_CRYPT_H -#undef __CONST -#if defined __GNUC__ -#define __CONST __const -#elif defined _MSC_VER -#define __CONST const -#else +#ifndef __GNUC__ +#undef __const +#define __const 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); +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, +extern char *crypt_rn(__const char *key, __const char *setting, void *data, int size); -extern char *crypt_ra(__CONST char *key, __CONST char *setting, +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); +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 --git a/ext/mri/wrapper.c b/ext/mri/wrapper.c index fe832db..1e49c90 100644 --- a/ext/mri/wrapper.c +++ b/ext/mri/wrapper.c @@ -1,5 +1,16 @@ /* - * Written by Solar Designer and placed in the public domain. + * Written by Solar Designer in 2000-2014. + * No copyright is claimed, and the software is hereby placed in the public + * domain. In case this attempt to disclaim copyright and place the software + * in the public domain is deemed null and void, then the software is + * Copyright (c) 2000-2014 Solar Designer and it is hereby released to the + * general public under the following terms: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted. + * + * There's ABSOLUTELY NO WARRANTY, express or implied. + * * See crypt_blowfish.c for more information. */ @@ -23,13 +34,6 @@ #endif #endif -#include -#ifdef HAVE_RUBY_UTIL_H -#include -#else -#include -#endif - #define CRYPT_OUTPUT_SIZE (7 + 22 + 31 + 1) #define CRYPT_GENSALT_OUTPUT_SIZE (7 + 22 + 1) @@ -38,18 +42,8 @@ #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); +#include "crypt_blowfish.h" +#include "crypt_gensalt.h" #if defined(__GLIBC__) && defined(_LIBC) /* crypt.h from glibc-crypt-2.1 will define struct crypt_data for us */ @@ -90,17 +84,14 @@ static int _crypt_data_alloc(void **data, int *size, int need) return 0; } -static char *_crypt_retval_magic(char *retval, __CONST char *setting, - char *output) +static char *_crypt_retval_magic(char *retval, const char *setting, + char *output, int size) { - if (retval) return retval; + if (retval) + return retval; - output[0] = '*'; - output[1] = '0'; - output[2] = '\0'; - - if (setting[0] == '*' && setting[1] == '0') - output[1] = '1'; + if (_crypt_output_magic(setting, output, size)) + return NULL; /* shouldn't happen */ return output; } @@ -162,22 +153,22 @@ char *__crypt_r(__const char *key, __const char *setting, { return _crypt_retval_magic( __crypt_rn(key, setting, data, sizeof(*data)), - setting, (char *)data); + setting, (char *)data, sizeof(*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); + setting, (char *)&_ufc_foobar, sizeof(_ufc_foobar)); } #else -char *crypt_rn(__CONST char *key, __CONST char *setting, void *data, int size) +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, +char *crypt_ra(const char *key, const char *setting, void **data, int *size) { if (_crypt_data_alloc(data, size, CRYPT_OUTPUT_SIZE)) @@ -185,11 +176,20 @@ char *crypt_ra(__CONST char *key, __CONST char *setting, return _crypt_blowfish_rn(key, setting, (char *)*data, *size); } -char *crypt_r(__CONST char *key, __CONST char *setting, void *data) +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); + setting, (char *)data, CRYPT_OUTPUT_SIZE); +} + +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, sizeof(output)); } #define __crypt_gensalt_rn crypt_gensalt_rn @@ -197,11 +197,12 @@ char *crypt_r(__CONST char *key, __CONST char *setting, void *data) #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 *__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); + char *(*use)(const char *_prefix, 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) { @@ -209,7 +210,8 @@ char *__crypt_gensalt_rn(__CONST char *prefix, unsigned long count, return NULL; } - if (!strncmp(prefix, "$2a$", 4)) + if (!strncmp(prefix, "$2a$", 4) || !strncmp(prefix, "$2b$", 4) || + !strncmp(prefix, "$2y$", 4)) use = _crypt_gensalt_blowfish_rn; else if (!strncmp(prefix, "$1$", 3)) @@ -228,11 +230,11 @@ char *__crypt_gensalt_rn(__CONST char *prefix, unsigned long count, return NULL; } - return use(count, input, size, output, output_size); + return use(prefix, count, input, size, output, output_size); } -char *__crypt_gensalt_ra(__CONST char *prefix, unsigned long count, - __CONST char *input, int size) +char *__crypt_gensalt_ra(const char *prefix, unsigned long count, + const char *input, int size) { char output[CRYPT_GENSALT_OUTPUT_SIZE]; char *retval; @@ -241,7 +243,7 @@ char *__crypt_gensalt_ra(__CONST char *prefix, unsigned long count, input, size, output, sizeof(output)); if (retval) { - retval = ruby_strdup(retval); + retval = strdup(retval); #ifndef __GLIBC__ /* strdup(3) on glibc sets errno, so we don't need to bother */ if (!retval) @@ -252,11 +254,298 @@ char *__crypt_gensalt_ra(__CONST char *prefix, unsigned long count, return retval; } -char *__crypt_gensalt(__CONST char *prefix, unsigned long count, - __CONST char *input, int size) +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) +weak_alias(crypt, fcrypt) +#endif + +#ifdef TEST +static const char *tests[][3] = { + {"$2a$05$CCCCCCCCCCCCCCCCCCCCC.E5YPO9kmyuRGyh0XouQYb4YMJKvyOeW", + "U*U"}, + {"$2a$05$CCCCCCCCCCCCCCCCCCCCC.VGOzA784oUp/Z0DY336zx7pLYAy0lwK", + "U*U*"}, + {"$2a$05$XXXXXXXXXXXXXXXXXXXXXOAcXxm9kjPGEMsLznoKqmqw7tc8WCx4a", + "U*U*U"}, + {"$2a$05$abcdefghijklmnopqrstuu5s2v8.iXieOjg/.AySBTTZIIVFJeBui", + "0123456789abcdefghijklmnopqrstuvwxyz" + "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789" + "chars after 72 are ignored"}, + {"$2x$05$/OK.fbVrR/bpIqNJ5ianF.CE5elHaaO4EbggVDjb8P19RukzXSM3e", + "\xa3"}, + {"$2x$05$/OK.fbVrR/bpIqNJ5ianF.CE5elHaaO4EbggVDjb8P19RukzXSM3e", + "\xff\xff\xa3"}, + {"$2y$05$/OK.fbVrR/bpIqNJ5ianF.CE5elHaaO4EbggVDjb8P19RukzXSM3e", + "\xff\xff\xa3"}, + {"$2a$05$/OK.fbVrR/bpIqNJ5ianF.nqd1wy.pTMdcvrRWxyiGL2eMz.2a85.", + "\xff\xff\xa3"}, + {"$2b$05$/OK.fbVrR/bpIqNJ5ianF.CE5elHaaO4EbggVDjb8P19RukzXSM3e", + "\xff\xff\xa3"}, + {"$2y$05$/OK.fbVrR/bpIqNJ5ianF.Sa7shbm4.OzKpvFnX1pQLmQW96oUlCq", + "\xa3"}, + {"$2a$05$/OK.fbVrR/bpIqNJ5ianF.Sa7shbm4.OzKpvFnX1pQLmQW96oUlCq", + "\xa3"}, + {"$2b$05$/OK.fbVrR/bpIqNJ5ianF.Sa7shbm4.OzKpvFnX1pQLmQW96oUlCq", + "\xa3"}, + {"$2x$05$/OK.fbVrR/bpIqNJ5ianF.o./n25XVfn6oAPaUvHe.Csk4zRfsYPi", + "1\xa3" "345"}, + {"$2x$05$/OK.fbVrR/bpIqNJ5ianF.o./n25XVfn6oAPaUvHe.Csk4zRfsYPi", + "\xff\xa3" "345"}, + {"$2x$05$/OK.fbVrR/bpIqNJ5ianF.o./n25XVfn6oAPaUvHe.Csk4zRfsYPi", + "\xff\xa3" "34" "\xff\xff\xff\xa3" "345"}, + {"$2y$05$/OK.fbVrR/bpIqNJ5ianF.o./n25XVfn6oAPaUvHe.Csk4zRfsYPi", + "\xff\xa3" "34" "\xff\xff\xff\xa3" "345"}, + {"$2a$05$/OK.fbVrR/bpIqNJ5ianF.ZC1JEJ8Z4gPfpe1JOr/oyPXTWl9EFd.", + "\xff\xa3" "34" "\xff\xff\xff\xa3" "345"}, + {"$2y$05$/OK.fbVrR/bpIqNJ5ianF.nRht2l/HRhr6zmCp9vYUvvsqynflf9e", + "\xff\xa3" "345"}, + {"$2a$05$/OK.fbVrR/bpIqNJ5ianF.nRht2l/HRhr6zmCp9vYUvvsqynflf9e", + "\xff\xa3" "345"}, + {"$2a$05$/OK.fbVrR/bpIqNJ5ianF.6IflQkJytoRVc1yuaNtHfiuq.FRlSIS", + "\xa3" "ab"}, + {"$2x$05$/OK.fbVrR/bpIqNJ5ianF.6IflQkJytoRVc1yuaNtHfiuq.FRlSIS", + "\xa3" "ab"}, + {"$2y$05$/OK.fbVrR/bpIqNJ5ianF.6IflQkJytoRVc1yuaNtHfiuq.FRlSIS", + "\xa3" "ab"}, + {"$2x$05$6bNw2HLQYeqHYyBfLMsv/OiwqTymGIGzFsA4hOTWebfehXHNprcAS", + "\xd1\x91"}, + {"$2x$05$6bNw2HLQYeqHYyBfLMsv/O9LIGgn8OMzuDoHfof8AQimSGfcSWxnS", + "\xd0\xc1\xd2\xcf\xcc\xd8"}, + {"$2a$05$/OK.fbVrR/bpIqNJ5ianF.swQOIzjOiJ9GHEPuhEkvqrUyvWhEMx6", + "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa" + "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa" + "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa" + "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa" + "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa" + "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa" + "chars after 72 are ignored as usual"}, + {"$2a$05$/OK.fbVrR/bpIqNJ5ianF.R9xrDjiycxMbQE2bp.vgqlYpW5wx2yy", + "\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55" + "\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55" + "\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55" + "\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55" + "\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55" + "\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55"}, + {"$2a$05$/OK.fbVrR/bpIqNJ5ianF.9tQZzcJfm3uj2NvJ/n5xkhpqLrMpWCe", + "\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff" + "\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff" + "\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff" + "\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff" + "\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff" + "\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff"}, + {"$2a$05$CCCCCCCCCCCCCCCCCCCCC.7uG0VCzI2bS7j6ymqJi9CdcdxiRTWNy", + ""}, + {"*0", "", "$2a$03$CCCCCCCCCCCCCCCCCCCCC."}, + {"*0", "", "$2a$32$CCCCCCCCCCCCCCCCCCCCC."}, + {"*0", "", "$2c$05$CCCCCCCCCCCCCCCCCCCCC."}, + {"*0", "", "$2z$05$CCCCCCCCCCCCCCCCCCCCC."}, + {"*0", "", "$2`$05$CCCCCCCCCCCCCCCCCCCCC."}, + {"*0", "", "$2{$05$CCCCCCCCCCCCCCCCCCCCC."}, + {"*1", "", "*0"}, + {NULL} +}; + +#define which tests[0] + +static volatile sig_atomic_t running; + +static void handle_timer(int signum) +{ + (void) signum; + running = 0; +} + +static void *run(void *arg) +{ + unsigned long count = 0; + int i = 0; + void *data = NULL; + int size = 0x12345678; + + do { + const char *hash = tests[i][0]; + const char *key = tests[i][1]; + const char *setting = tests[i][2]; + + if (!tests[++i][0]) + i = 0; + + if (setting && strlen(hash) < 30) /* not for benchmark */ + continue; + + if (strcmp(crypt_ra(key, hash, &data, &size), hash)) { + printf("%d: FAILED (crypt_ra/%d/%lu)\n", + (int)((char *)arg - (char *)0), i, count); + free(data); + return NULL; + } + count++; + } while (running); + + free(data); + return count + (char *)0; +} + +int main(void) +{ + struct itimerval it; + struct tms buf; + clock_t clk_tck, 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 + + data = NULL; + size = 0x12345678; + + for (i = 0; tests[i][0]; i++) { + const char *hash = tests[i][0]; + const char *key = tests[i][1]; + const char *setting = tests[i][2]; + const char *p; + int ok = !setting || strlen(hash) >= 30; + int o_size; + char s_buf[30], o_buf[61]; + if (!setting) { + memcpy(s_buf, hash, sizeof(s_buf) - 1); + s_buf[sizeof(s_buf) - 1] = 0; + setting = s_buf; + } + + __set_errno(0); + p = crypt(key, setting); + if ((!ok && !errno) || strcmp(p, hash)) { + printf("FAILED (crypt/%d)\n", i); + return 1; + } + + if (ok && strcmp(crypt(key, hash), hash)) { + printf("FAILED (crypt/%d)\n", i); + return 1; + } + + for (o_size = -1; o_size <= (int)sizeof(o_buf); o_size++) { + int ok_n = ok && o_size == (int)sizeof(o_buf); + const char *x = "abc"; + strcpy(o_buf, x); + if (o_size >= 3) { + x = "*0"; + if (setting[0] == '*' && setting[1] == '0') + x = "*1"; + } + __set_errno(0); + p = crypt_rn(key, setting, o_buf, o_size); + if ((ok_n && (!p || strcmp(p, hash))) || + (!ok_n && (!errno || p || strcmp(o_buf, x)))) { + printf("FAILED (crypt_rn/%d)\n", i); + return 1; + } + } + + __set_errno(0); + p = crypt_ra(key, setting, &data, &size); + if ((ok && (!p || strcmp(p, hash))) || + (!ok && (!errno || p || strcmp((char *)data, hash)))) { + printf("FAILED (crypt_ra/%d)\n", i); + return 1; + } + } + + setting1 = crypt_gensalt(which[0], 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); + +#if defined(_SC_CLK_TCK) || !defined(CLK_TCK) + clk_tck = sysconf(_SC_CLK_TCK); +#else + clk_tck = CLK_TCK; +#endif + + 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 diff --git a/lib/bcrypt/engine.rb b/lib/bcrypt/engine.rb index abde3dd..b521a82 100644 --- a/lib/bcrypt/engine.rb +++ b/lib/bcrypt/engine.rb @@ -46,7 +46,7 @@ def self.hash_secret(secret, salt, _ = nil) if valid_secret?(secret) if valid_salt?(salt) if RUBY_PLATFORM == "java" - Java.bcrypt_jruby.BCrypt.hashpw(secret.to_s, salt.to_s) + Java.bcrypt_jruby.BCrypt.hashpw(secret.to_s.to_java_bytes, salt.to_s) else __bc_crypt(secret.to_s, salt) end diff --git a/spec/bcrypt/engine_spec.rb b/spec/bcrypt/engine_spec.rb index 11ec907..d99044f 100644 --- a/spec/bcrypt/engine_spec.rb +++ b/spec/bcrypt/engine_spec.rb @@ -73,7 +73,31 @@ class MyInvalidSecret ["U*U*", "$2a$05$CCCCCCCCCCCCCCCCCCCCC.", "$2a$05$CCCCCCCCCCCCCCCCCCCCC.VGOzA784oUp/Z0DY336zx7pLYAy0lwK"], ["U*U*U", "$2a$05$XXXXXXXXXXXXXXXXXXXXXO", "$2a$05$XXXXXXXXXXXXXXXXXXXXXOAcXxm9kjPGEMsLznoKqmqw7tc8WCx4a"], ["", "$2a$05$CCCCCCCCCCCCCCCCCCCCC.", "$2a$05$CCCCCCCCCCCCCCCCCCCCC.7uG0VCzI2bS7j6ymqJi9CdcdxiRTWNy"], - ["0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789", "$2a$05$abcdefghijklmnopqrstuu", "$2a$05$abcdefghijklmnopqrstuu5s2v8.iXieOjg/.AySBTTZIIVFJeBui"] + ["0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789", "$2a$05$abcdefghijklmnopqrstuu", "$2a$05$abcdefghijklmnopqrstuu5s2v8.iXieOjg/.AySBTTZIIVFJeBui"], + ["\xa3", "$2x$05$/OK.fbVrR/bpIqNJ5ianF.", "$2x$05$/OK.fbVrR/bpIqNJ5ianF.CE5elHaaO4EbggVDjb8P19RukzXSM3e"], + ["\xff\xff\xa3", "$2x$05$/OK.fbVrR/bpIqNJ5ianF.", "$2x$05$/OK.fbVrR/bpIqNJ5ianF.CE5elHaaO4EbggVDjb8P19RukzXSM3e"], + ["\xff\xff\xa3", "$2y$05$/OK.fbVrR/bpIqNJ5ianF.", "$2y$05$/OK.fbVrR/bpIqNJ5ianF.CE5elHaaO4EbggVDjb8P19RukzXSM3e"], + ["\xff\xff\xa3", "$2a$05$/OK.fbVrR/bpIqNJ5ianF.", "$2a$05$/OK.fbVrR/bpIqNJ5ianF.nqd1wy.pTMdcvrRWxyiGL2eMz.2a85."], + ["\xff\xff\xa3", "$2b$05$/OK.fbVrR/bpIqNJ5ianF.", "$2b$05$/OK.fbVrR/bpIqNJ5ianF.CE5elHaaO4EbggVDjb8P19RukzXSM3e"], + ["\xa3", "$2y$05$/OK.fbVrR/bpIqNJ5ianF.", "$2y$05$/OK.fbVrR/bpIqNJ5ianF.Sa7shbm4.OzKpvFnX1pQLmQW96oUlCq"], + ["\xa3", "$2a$05$/OK.fbVrR/bpIqNJ5ianF.", "$2a$05$/OK.fbVrR/bpIqNJ5ianF.Sa7shbm4.OzKpvFnX1pQLmQW96oUlCq"], + ["\xa3", "$2b$05$/OK.fbVrR/bpIqNJ5ianF.", "$2b$05$/OK.fbVrR/bpIqNJ5ianF.Sa7shbm4.OzKpvFnX1pQLmQW96oUlCq"], + ["1\xa3" "345", "$2x$05$/OK.fbVrR/bpIqNJ5ianF.", "$2x$05$/OK.fbVrR/bpIqNJ5ianF.o./n25XVfn6oAPaUvHe.Csk4zRfsYPi"], + ["\xff\xa3" "345", "$2x$05$/OK.fbVrR/bpIqNJ5ianF.", "$2x$05$/OK.fbVrR/bpIqNJ5ianF.o./n25XVfn6oAPaUvHe.Csk4zRfsYPi"], + ["\xff\xa3" "34" "\xff\xff\xff\xa3" "345", "$2x$05$/OK.fbVrR/bpIqNJ5ianF.", "$2x$05$/OK.fbVrR/bpIqNJ5ianF.o./n25XVfn6oAPaUvHe.Csk4zRfsYPi"], + ["\xff\xa3" "34" "\xff\xff\xff\xa3" "345", "$2y$05$/OK.fbVrR/bpIqNJ5ianF.", "$2y$05$/OK.fbVrR/bpIqNJ5ianF.o./n25XVfn6oAPaUvHe.Csk4zRfsYPi"], + ["\xff\xa3" "34" "\xff\xff\xff\xa3" "345", "$2a$05$/OK.fbVrR/bpIqNJ5ianF.", "$2a$05$/OK.fbVrR/bpIqNJ5ianF.ZC1JEJ8Z4gPfpe1JOr/oyPXTWl9EFd."], + ["\xff\xa3" "345", "$2y$05$/OK.fbVrR/bpIqNJ5ianF.", "$2y$05$/OK.fbVrR/bpIqNJ5ianF.nRht2l/HRhr6zmCp9vYUvvsqynflf9e"], + ["\xff\xa3" "345", "$2a$05$/OK.fbVrR/bpIqNJ5ianF.", "$2a$05$/OK.fbVrR/bpIqNJ5ianF.nRht2l/HRhr6zmCp9vYUvvsqynflf9e"], + ["\xa3" "ab", "$2a$05$/OK.fbVrR/bpIqNJ5ianF.", "$2a$05$/OK.fbVrR/bpIqNJ5ianF.6IflQkJytoRVc1yuaNtHfiuq.FRlSIS"], + ["\xa3" "ab", "$2x$05$/OK.fbVrR/bpIqNJ5ianF.", "$2x$05$/OK.fbVrR/bpIqNJ5ianF.6IflQkJytoRVc1yuaNtHfiuq.FRlSIS"], + ["\xa3" "ab", "$2y$05$/OK.fbVrR/bpIqNJ5ianF.", "$2y$05$/OK.fbVrR/bpIqNJ5ianF.6IflQkJytoRVc1yuaNtHfiuq.FRlSIS"], + ["\xd1\x91", "$2x$05$6bNw2HLQYeqHYyBfLMsv/O", "$2x$05$6bNw2HLQYeqHYyBfLMsv/OiwqTymGIGzFsA4hOTWebfehXHNprcAS"], + ["\xd0\xc1\xd2\xcf\xcc\xd8", "$2x$05$6bNw2HLQYeqHYyBfLMsv/O", "$2x$05$6bNw2HLQYeqHYyBfLMsv/O9LIGgn8OMzuDoHfof8AQimSGfcSWxnS"], + ["\xaa"*72+"chars after 72 are ignored as usual", "$2a$05$/OK.fbVrR/bpIqNJ5ianF.", "$2a$05$/OK.fbVrR/bpIqNJ5ianF.swQOIzjOiJ9GHEPuhEkvqrUyvWhEMx6"], + ["\xaa\x55"*36, "$2a$05$/OK.fbVrR/bpIqNJ5ianF.", "$2a$05$/OK.fbVrR/bpIqNJ5ianF.R9xrDjiycxMbQE2bp.vgqlYpW5wx2yy"], + ["\x55\xaa\xff"*24, "$2a$05$/OK.fbVrR/bpIqNJ5ianF.", "$2a$05$/OK.fbVrR/bpIqNJ5ianF.9tQZzcJfm3uj2NvJ/n5xkhpqLrMpWCe"], + ["", "$2a$05$CCCCCCCCCCCCCCCCCCCCC.", "$2a$05$CCCCCCCCCCCCCCCCCCCCC.7uG0VCzI2bS7j6ymqJi9CdcdxiRTWNy"] ] for secret, salt, test_vector in test_vectors expect(BCrypt::Engine.hash_secret(secret, salt)).to eql(test_vector) From a0fc53bdf7c973d841d1a34974deb4812036693b Mon Sep 17 00:00:00 2001 From: Florin Onica Date: Mon, 29 Oct 2018 13:39:13 +0200 Subject: [PATCH 2/2] don't install docs during travis CI builds --- .travis.yml | 1 + 1 file changed, 1 insertion(+) diff --git a/.travis.yml b/.travis.yml index b572547..22f7c67 100644 --- a/.travis.yml +++ b/.travis.yml @@ -1,5 +1,6 @@ language: ruby before_install: + - "echo 'gem: --no-rdoc --no-ri' > ~/.gemrc" - gem update --system - gem install bundler rvm: