Moved BCrypt over from pascal_bcrypt

Hash.BCrypt.pp

@@ -0,0 +1,708 @@
+{*******************************************************}
+
+{   Renegade BBS                                        }
+
+{   Copyright (c) 1990-2013 The Renegade Dev Team       }
+{   Copyleft  (ↄ) 2016-2017 Renegade BBS                }
+
+{   This file is part of Renegade BBS                   }
+
+{   Renegade is free software: you can redistribute it  }
+{   and/or modify it under the terms of the GNU General }
+{   Public License as published by the Free Software    }
+{   Foundation, either version 3 of the License, or     }
+{   (at your option) any later version.                 }
+
+{   Renegade is distributed in the hope that it will be }
+{   useful, but WITHOUT ANY WARRANTY; without even the  }
+{   implied warranty of MERCHANTABILITY or FITNESS FOR  }
+{   A PARTICULAR PURPOSE.  See the GNU General Public   }
+{   License for more details.                           }
+
+{   You should have received a copy of the GNU General  }
+{   Public License along with Renegade.  If not, see    }
+{   <http://www.gnu.org/licenses/>.                     }
+
+{*******************************************************}
+{   _______                                  __         }
+{  |   _   .-----.-----.-----.-----.---.-.--|  .-----.  }
+{  |.  l   |  -__|     |  -__|  _  |  _  |  _  |  -__|  }
+{  |.  _   |_____|__|__|_____|___  |___._|_____|_____|  }
+{  |:  |   |                 |_____|                    }
+{  |::.|:. |                                            }
+{  `--- ---'                                            }
+{*******************************************************}
+
+unit Hash.BCrypt;
+
+{$codepage utf8}
+{$h+}{$mode objfpc}
+
+interface
+
+uses
+  SysUtils,
+  Classes,
+  Hash.Util,
+  Hash.Base64;
+
+const
+  // bcrypt uses 128-bit (16-byte) salt
+  BCRYPT_SALT_LEN = 16;
+  BLOWFISH_NUM_ROUNDS = 16;
+  BCRYPT_DEFAULT_COST = 12;
+
+  PBoxOrg: array[0..17] of DWord = (
+    $243f6a88, $85a308d3, $13198a2e, $03707344, $a4093822, $299f31d0, $082efa98,
+    $ec4e6c89, $452821e6, $38d01377, $be5466cf, $34e90c6c, $c0ac29b7, $c97c50dd,
+    $3f84d5b5, $b5470917, $9216d5d9, $8979fb1b
+  );
+
+  SBoxOrg: array[0..1023] of DWord = (
+    $d1310ba6, $98dfb5ac, $2ffd72db, $d01adfb7, $b8e1afed, $6a267e96, $ba7c9045,
+    $f12c7f99, $24a19947, $b3916cf7, $0801f2e2, $858efc16, $636920d8, $71574e69,
+    $a458fea3, $f4933d7e, $0d95748f, $728eb658, $718bcd58, $82154aee, $7b54a41d,
+    $c25a59b5, $9c30d539, $2af26013, $c5d1b023, $286085f0, $ca417918, $b8db38ef,
+    $8e79dcb0, $603a180e, $6c9e0e8b, $b01e8a3e, $d71577c1, $bd314b27, $78af2fda,
+    $55605c60, $e65525f3, $aa55ab94, $57489862, $63e81440, $55ca396a, $2aab10b6,
+    $b4cc5c34, $1141e8ce, $a15486af, $7c72e993, $b3ee1411, $636fbc2a, $2ba9c55d,
+    $741831f6, $ce5c3e16, $9b87931e, $afd6ba33, $6c24cf5c, $7a325381, $28958677,
+    $3b8f4898, $6b4bb9af, $c4bfe81b, $66282193, $61d809cc, $fb21a991, $487cac60,
+    $5dec8032, $ef845d5d, $e98575b1, $dc262302, $eb651b88, $23893e81, $d396acc5,
+    $0f6d6ff3, $83f44239, $2e0b4482, $a4842004, $69c8f04a, $9e1f9b5e, $21c66842,
+    $f6e96c9a, $670c9c61, $abd388f0, $6a51a0d2, $d8542f68, $960fa728, $ab5133a3,
+    $6eef0b6c, $137a3be4, $ba3bf050, $7efb2a98, $a1f1651d, $39af0176, $66ca593e,
+    $82430e88, $8cee8619, $456f9fb4, $7d84a5c3, $3b8b5ebe, $e06f75d8, $85c12073,
+    $401a449f, $56c16aa6, $4ed3aa62, $363f7706, $1bfedf72, $429b023d, $37d0d724,
+    $d00a1248, $db0fead3, $49f1c09b, $075372c9, $80991b7b, $25d479d8, $f6e8def7,
+    $e3fe501a, $b6794c3b, $976ce0bd, $04c006ba, $c1a94fb6, $409f60c4, $5e5c9ec2,
+    $196a2463, $68fb6faf, $3e6c53b5, $1339b2eb, $3b52ec6f, $6dfc511f, $9b30952c,
+    $cc814544, $af5ebd09, $bee3d004, $de334afd, $660f2807, $192e4bb3, $c0cba857,
+    $45c8740f, $d20b5f39, $b9d3fbdb, $5579c0bd, $1a60320a, $d6a100c6, $402c7279,
+    $679f25fe, $fb1fa3cc, $8ea5e9f8, $db3222f8, $3c7516df, $fd616b15, $2f501ec8,
+    $ad0552ab, $323db5fa, $fd238760, $53317b48, $3e00df82, $9e5c57bb, $ca6f8ca0,
+    $1a87562e, $df1769db, $d542a8f6, $287effc3, $ac6732c6, $8c4f5573, $695b27b0,
+    $bbca58c8, $e1ffa35d, $b8f011a0, $10fa3d98, $fd2183b8, $4afcb56c, $2dd1d35b,
+    $9a53e479, $b6f84565, $d28e49bc, $4bfb9790, $e1ddf2da, $a4cb7e33, $62fb1341,
+    $cee4c6e8, $ef20cada, $36774c01, $d07e9efe, $2bf11fb4, $95dbda4d, $ae909198,
+    $eaad8e71, $6b93d5a0, $d08ed1d0, $afc725e0, $8e3c5b2f, $8e7594b7, $8ff6e2fb,
+    $f2122b64, $8888b812, $900df01c, $4fad5ea0, $688fc31c, $d1cff191, $b3a8c1ad,
+    $2f2f2218, $be0e1777, $ea752dfe, $8b021fa1, $e5a0cc0f, $b56f74e8, $18acf3d6,
+    $ce89e299, $b4a84fe0, $fd13e0b7, $7cc43b81, $d2ada8d9, $165fa266, $80957705,
+    $93cc7314, $211a1477, $e6ad2065, $77b5fa86, $c75442f5, $fb9d35cf, $ebcdaf0c,
+    $7b3e89a0, $d6411bd3, $ae1e7e49, $00250e2d, $2071b35e, $226800bb, $57b8e0af,
+    $2464369b, $f009b91e, $5563911d, $59dfa6aa, $78c14389, $d95a537f, $207d5ba2,
+    $02e5b9c5, $83260376, $6295cfa9, $11c81968, $4e734a41, $b3472dca, $7b14a94a,
+    $1b510052, $9a532915, $d60f573f, $bc9bc6e4, $2b60a476, $81e67400, $08ba6fb5,
+    $571be91f, $f296ec6b, $2a0dd915, $b6636521, $e7b9f9b6, $ff34052e, $c5855664,
+    $53b02d5d, $a99f8fa1, $08ba4799, $6e85076a, $4b7a70e9, $b5b32944, $db75092e,
+    $c4192623, $ad6ea6b0, $49a7df7d, $9cee60b8, $8fedb266, $ecaa8c71, $699a17ff,
+    $5664526c, $c2b19ee1, $193602a5, $75094c29, $a0591340, $e4183a3e, $3f54989a,
+    $5b429d65, $6b8fe4d6, $99f73fd6, $a1d29c07, $efe830f5, $4d2d38e6, $f0255dc1,
+    $4cdd2086, $8470eb26, $6382e9c6, $021ecc5e, $09686b3f, $3ebaefc9, $3c971814,
+    $6b6a70a1, $687f3584, $52a0e286, $b79c5305, $aa500737, $3e07841c, $7fdeae5c,
+    $8e7d44ec, $5716f2b8, $b03ada37, $f0500c0d, $f01c1f04, $0200b3ff, $ae0cf51a,
+    $3cb574b2, $25837a58, $dc0921bd, $d19113f9, $7ca92ff6, $94324773, $22f54701,
+    $3ae5e581, $37c2dadc, $c8b57634, $9af3dda7, $a9446146, $0fd0030e, $ecc8c73e,
+    $a4751e41, $e238cd99, $3bea0e2f, $3280bba1, $183eb331, $4e548b38, $4f6db908,
+    $6f420d03, $f60a04bf, $2cb81290, $24977c79, $5679b072, $bcaf89af, $de9a771f,
+    $d9930810, $b38bae12, $dccf3f2e, $5512721f, $2e6b7124, $501adde6, $9f84cd87,
+    $7a584718, $7408da17, $bc9f9abc, $e94b7d8c, $ec7aec3a, $db851dfa, $63094366,
+    $c464c3d2, $ef1c1847, $3215d908, $dd433b37, $24c2ba16, $12a14d43, $2a65c451,
+    $50940002, $133ae4dd, $71dff89e, $10314e55, $81ac77d6, $5f11199b, $043556f1,
+    $d7a3c76b, $3c11183b, $5924a509, $f28fe6ed, $97f1fbfa, $9ebabf2c, $1e153c6e,
+    $86e34570, $eae96fb1, $860e5e0a, $5a3e2ab3, $771fe71c, $4e3d06fa, $2965dcb9,
+    $99e71d0f, $803e89d6, $5266c825, $2e4cc978, $9c10b36a, $c6150eba, $94e2ea78,
+    $a5fc3c53, $1e0a2df4, $f2f74ea7, $361d2b3d, $1939260f, $19c27960, $5223a708,
+    $f71312b6, $ebadfe6e, $eac31f66, $e3bc4595, $a67bc883, $b17f37d1, $018cff28,
+    $c332ddef, $be6c5aa5, $65582185, $68ab9802, $eecea50f, $db2f953b, $2aef7dad,
+    $5b6e2f84, $1521b628, $29076170, $ecdd4775, $619f1510, $13cca830, $eb61bd96,
+    $0334fe1e, $aa0363cf, $b5735c90, $4c70a239, $d59e9e0b, $cbaade14, $eecc86bc,
+    $60622ca7, $9cab5cab, $b2f3846e, $648b1eaf, $19bdf0ca, $a02369b9, $655abb50,
+    $40685a32, $3c2ab4b3, $319ee9d5, $c021b8f7, $9b540b19, $875fa099, $95f7997e,
+    $623d7da8, $f837889a, $97e32d77, $11ed935f, $16681281, $0e358829, $c7e61fd6,
+    $96dedfa1, $7858ba99, $57f584a5, $1b227263, $9b83c3ff, $1ac24696, $cdb30aeb,
+    $532e3054, $8fd948e4, $6dbc3128, $58ebf2ef, $34c6ffea, $fe28ed61, $ee7c3c73,
+    $5d4a14d9, $e864b7e3, $42105d14, $203e13e0, $45eee2b6, $a3aaabea, $db6c4f15,
+    $facb4fd0, $c742f442, $ef6abbb5, $654f3b1d, $41cd2105, $d81e799e, $86854dc7,
+    $e44b476a, $3d816250, $cf62a1f2, $5b8d2646, $fc8883a0, $c1c7b6a3, $7f1524c3,
+    $69cb7492, $47848a0b, $5692b285, $095bbf00, $ad19489d, $1462b174, $23820e00,
+    $58428d2a, $0c55f5ea, $1dadf43e, $233f7061, $3372f092, $8d937e41, $d65fecf1,
+    $6c223bdb, $7cde3759, $cbee7460, $4085f2a7, $ce77326e, $a6078084, $19f8509e,
+    $e8efd855, $61d99735, $a969a7aa, $c50c06c2, $5a04abfc, $800bcadc, $9e447a2e,
+    $c3453484, $fdd56705, $0e1e9ec9, $db73dbd3, $105588cd, $675fda79, $e3674340,
+    $c5c43465, $713e38d8, $3d28f89e, $f16dff20, $153e21e7, $8fb03d4a, $e6e39f2b,
+    $db83adf7, $e93d5a68, $948140f7, $f64c261c, $94692934, $411520f7, $7602d4f7,
+    $bcf46b2e, $d4a20068, $d4082471, $3320f46a, $43b7d4b7, $500061af, $1e39f62e,
+    $97244546, $14214f74, $bf8b8840, $4d95fc1d, $96b591af, $70f4ddd3, $66a02f45,
+    $bfbc09ec, $03bd9785, $7fac6dd0, $31cb8504, $96eb27b3, $55fd3941, $da2547e6,
+    $abca0a9a, $28507825, $530429f4, $0a2c86da, $e9b66dfb, $68dc1462, $d7486900,
+    $680ec0a4, $27a18dee, $4f3ffea2, $e887ad8c, $b58ce006, $7af4d6b6, $aace1e7c,
+    $d3375fec, $ce78a399, $406b2a42, $20fe9e35, $d9f385b9, $ee39d7ab, $3b124e8b,
+    $1dc9faf7, $4b6d1856, $26a36631, $eae397b2, $3a6efa74, $dd5b4332, $6841e7f7,
+    $ca7820fb, $fb0af54e, $d8feb397, $454056ac, $ba489527, $55533a3a, $20838d87,
+    $fe6ba9b7, $d096954b, $55a867bc, $a1159a58, $cca92963, $99e1db33, $a62a4a56,
+    $3f3125f9, $5ef47e1c, $9029317c, $fdf8e802, $04272f70, $80bb155c, $05282ce3,
+    $95c11548, $e4c66d22, $48c1133f, $c70f86dc, $07f9c9ee, $41041f0f, $404779a4,
+    $5d886e17, $325f51eb, $d59bc0d1, $f2bcc18f, $41113564, $257b7834, $602a9c60,
+    $dff8e8a3, $1f636c1b, $0e12b4c2, $02e1329e, $af664fd1, $cad18115, $6b2395e0,
+    $333e92e1, $3b240b62, $eebeb922, $85b2a20e, $e6ba0d99, $de720c8c, $2da2f728,
+    $d0127845, $95b794fd, $647d0862, $e7ccf5f0, $5449a36f, $877d48fa, $c39dfd27,
+    $f33e8d1e, $0a476341, $992eff74, $3a6f6eab, $f4f8fd37, $a812dc60, $a1ebddf8,
+    $991be14c, $db6e6b0d, $c67b5510, $6d672c37, $2765d43b, $dcd0e804, $f1290dc7,
+    $cc00ffa3, $b5390f92, $690fed0b, $667b9ffb, $cedb7d9c, $a091cf0b, $d9155ea3,
+    $bb132f88, $515bad24, $7b9479bf, $763bd6eb, $37392eb3, $cc115979, $8026e297,
+    $f42e312d, $6842ada7, $c66a2b3b, $12754ccc, $782ef11c, $6a124237, $b79251e7,
+    $06a1bbe6, $4bfb6350, $1a6b1018, $11caedfa, $3d25bdd8, $e2e1c3c9, $44421659,
+    $0a121386, $d90cec6e, $d5abea2a, $64af674e, $da86a85f, $bebfe988, $64e4c3fe,
+    $9dbc8057, $f0f7c086, $60787bf8, $6003604d, $d1fd8346, $f6381fb0, $7745ae04,
+    $d736fccc, $83426b33, $f01eab71, $b0804187, $3c005e5f, $77a057be, $bde8ae24,
+    $55464299, $bf582e61, $4e58f48f, $f2ddfda2, $f474ef38, $8789bdc2, $5366f9c3,
+    $c8b38e74, $b475f255, $46fcd9b9, $7aeb2661, $8b1ddf84, $846a0e79, $915f95e2,
+    $466e598e, $20b45770, $8cd55591, $c902de4c, $b90bace1, $bb8205d0, $11a86248,
+    $7574a99e, $b77f19b6, $e0a9dc09, $662d09a1, $c4324633, $e85a1f02, $09f0be8c,
+    $4a99a025, $1d6efe10, $1ab93d1d, $0ba5a4df, $a186f20f, $2868f169, $dcb7da83,
+    $573906fe, $a1e2ce9b, $4fcd7f52, $50115e01, $a70683fa, $a002b5c4, $0de6d027,
+    $9af88c27, $773f8641, $c3604c06, $61a806b5, $f0177a28, $c0f586e0, $006058aa,
+    $30dc7d62, $11e69ed7, $2338ea63, $53c2dd94, $c2c21634, $bbcbee56, $90bcb6de,
+    $ebfc7da1, $ce591d76, $6f05e409, $4b7c0188, $39720a3d, $7c927c24, $86e3725f,
+    $724d9db9, $1ac15bb4, $d39eb8fc, $ed545578, $08fca5b5, $d83d7cd3, $4dad0fc4,
+    $1e50ef5e, $b161e6f8, $a28514d9, $6c51133c, $6fd5c7e7, $56e14ec4, $362abfce,
+    $ddc6c837, $d79a3234, $92638212, $670efa8e, $406000e0, $3a39ce37, $d3faf5cf,
+    $abc27737, $5ac52d1b, $5cb0679e, $4fa33742, $d3822740, $99bc9bbe, $d5118e9d,
+    $bf0f7315, $d62d1c7e, $c700c47b, $b78c1b6b, $21a19045, $b26eb1be, $6a366eb4,
+    $5748ab2f, $bc946e79, $c6a376d2, $6549c2c8, $530ff8ee, $468dde7d, $d5730a1d,
+    $4cd04dc6, $2939bbdb, $a9ba4650, $ac9526e8, $be5ee304, $a1fad5f0, $6a2d519a,
+    $63ef8ce2, $9a86ee22, $c089c2b8, $43242ef6, $a51e03aa, $9cf2d0a4, $83c061ba,
+    $9be96a4d, $8fe51550, $ba645bd6, $2826a2f9, $a73a3ae1, $4ba99586, $ef5562e9,
+    $c72fefd3, $f752f7da, $3f046f69, $77fa0a59, $80e4a915, $87b08601, $9b09e6ad,
+    $3b3ee593, $e990fd5a, $9e34d797, $2cf0b7d9, $022b8b51, $96d5ac3a, $017da67d,
+    $d1cf3ed6, $7c7d2d28, $1f9f25cf, $adf2b89b, $5ad6b472, $5a88f54c, $e029ac71,
+    $e019a5e6, $47b0acfd, $ed93fa9b, $e8d3c48d, $283b57cc, $f8d56629, $79132e28,
+    $785f0191, $ed756055, $f7960e44, $e3d35e8c, $15056dd4, $88f46dba, $03a16125,
+    $0564f0bd, $c3eb9e15, $3c9057a2, $97271aec, $a93a072a, $1b3f6d9b, $1e6321f5,
+    $f59c66fb, $26dcf319, $7533d928, $b155fdf5, $03563482, $8aba3cbb, $28517711,
+    $c20ad9f8, $abcc5167, $ccad925f, $4de81751, $3830dc8e, $379d5862, $9320f991,
+    $ea7a90c2, $fb3e7bce, $5121ce64, $774fbe32, $a8b6e37e, $c3293d46, $48de5369,
+    $6413e680, $a2ae0810, $dd6db224, $69852dfd, $09072166, $b39a460a, $6445c0dd,
+    $586cdecf, $1c20c8ae, $5bbef7dd, $1b588d40, $ccd2017f, $6bb4e3bb, $dda26a7e,
+    $3a59ff45, $3e350a44, $bcb4cdd5, $72eacea8, $fa6484bb, $8d6612ae, $bf3c6f47,
+    $d29be463, $542f5d9e, $aec2771b, $f64e6370, $740e0d8d, $e75b1357, $f8721671,
+    $af537d5d, $4040cb08, $4eb4e2cc, $34d2466a, $0115af84, $e1b00428, $95983a1d,
+    $06b89fb4, $ce6ea048, $6f3f3b82, $3520ab82, $011a1d4b, $277227f8, $611560b1,
+    $e7933fdc, $bb3a792b, $344525bd, $a08839e1, $51ce794b, $2f32c9b7, $a01fbac9,
+    $e01cc87e, $bcc7d1f6, $cf0111c3, $a1e8aac7, $1a908749, $d44fbd9a, $d0dadecb,
+    $d50ada38, $0339c32a, $c6913667, $8df9317c, $e0b12b4f, $f79e59b7, $43f5bb3a,
+    $f2d519ff, $27d9459c, $bf97222c, $15e6fc2a, $0f91fc71, $9b941525, $fae59361,
+    $ceb69ceb, $c2a86459, $12baa8d1, $b6c1075e, $e3056a0c, $10d25065, $cb03a442,
+    $e0ec6e0e, $1698db3b, $4c98a0be, $3278e964, $9f1f9532, $e0d392df, $d3a0342b,
+    $8971f21e, $1b0a7441, $4ba3348c, $c5be7120, $c37632d8, $df359f8d, $9b992f2e,
+    $e60b6f47, $0fe3f11d, $e54cda54, $1edad891, $ce6279cf, $cd3e7e6f, $1618b166,
+    $fd2c1d05, $848fd2c5, $f6fb2299, $f523f357, $a6327623, $93a83531, $56cccd02,
+    $acf08162, $5a75ebb5, $6e163697, $88d273cc, $de966292, $81b949d0, $4c50901b,
+    $71c65614, $e6c6c7bd, $327a140a, $45e1d006, $c3f27b9a, $c9aa53fd, $62a80f00,
+    $bb25bfe2, $35bdd2f6, $71126905, $b2040222, $b6cbcf7c, $cd769c2b, $53113ec0,
+    $1640e3d3, $38abbd60, $2547adf0, $ba38209c, $f746ce76, $77afa1c5, $20756060,
+    $85cbfe4e, $8ae88dd8, $7aaaf9b0, $4cf9aa7e, $1948c25c, $02fb8a8c, $01c36ae4,
+    $d6ebe1f9, $90d4f869, $a65cdea0, $3f09252d, $c208e69f, $b74e6132, $ce77e25b,
+    $578fdfe3, $3ac372e6
+  );
+
+  MagicText: array[0..5] of DWord = (
+    $4f727068, $65616e42, $65686f6c, $64657253, $63727944, $6f756274
+  );
+
+type
+  THashTypes = (bcDefault, bcPHP, bcBSD, bcUnknown);
+  RTPasswordInformation = Object
+    Algo : THashTypes;
+    Cost : Word;
+    AlgoName,
+    BCryptSalt,
+    BCryptHash : AnsiString;
+  end;
+
+EHash = class(EArgumentException);
+
+RTBCrypt = class(TObject)
+private
+  FSBox: array[0..1023] of DWord;
+  FPBox: array[0..17] of DWord;
+  function Crypt(const Password, Salt : AnsiString; Cost : Byte; HashType : THashTypes) : AnsiString;
+  function CryptRaw(const HashKey, Salt: TBytes; Cost : Byte): TBytes;
+  procedure EKSKey(const Salt, HashKey: TBytes);
+  procedure Encipher(var lr: array of DWord; const offset: SizeInt);
+  function FormatPasswordHash(const Salt, Hash: TBytes; Cost : Byte; HashType : THashTypes): AnsiString;
+  function getRandomBlockFileName : AnsiString;
+  procedure InitializeKey();
+  function isBSDAlphabet(CurrentCharacter : Char) : Boolean;
+  function MakeSalt : TBytes;
+  function MTRandomBytes(NumberOfBytes : SizeUInt) : AnsiString;
+  procedure NKey(const HashKey: TBytes);
+  function osHasRandomBlock : Boolean;
+  function osHasURandomBlock : Boolean;
+  function ResolveHashType(const HashType : AnsiString) : THashTypes;
+  function StreamToWord(const RawByteData: TBytes; var offset: SizeInt): DWord;
+  function UnixRandomBytes(NumberOfBytes : SizeUInt) : AnsiString;
+public
+  constructor Create; overload;
+  destructor Destroy; override;
+  function CreateHash(const Password : AnsiString) : AnsiString; overload;
+  function CreateHash(const Password : AnsiString; HashType : THashTypes) : AnsiString; overload;
+  function CreateHash(const Password : AnsiString; HashType : THashTypes; Cost : Byte) : AnsiString; overload;
+  function VerifyHash(const Password, Hash : AnsiString) : Boolean;
+  function NeedsRehash(const BCryptHash : AnsiString) : Boolean; overload;
+  function NeedsRehash(const BCryptHash : AnsiString; Cost : Byte) : Boolean; overload;
+  function HashGetInfo(const Hash : AnsiString) : RTPasswordInformation;
+end;
+
+implementation
+
+Uses
+  Math; // @Todo : Remove and use Renegade.Random
+
+constructor RTBCrypt.Create;
+   begin
+     inherited Create;
+   end;
+
+destructor RTBCrypt.Destroy;
+  begin
+    inherited Destroy;
+  end;
+
+function RTBCrypt.CryptRaw(const HashKey, Salt: TBytes; Cost : Byte): TBytes;
+var
+  CryptData: array[0..5] of DWord;
+  CryptLength: integer;
+  BCryptRounds: DWord;
+  i, j: SizeInt;
+begin
+  Move(MagicText[0], CryptData[0], Sizeof(MagicText));
+  CryptLength := Length(CryptData);
+  BCryptRounds := 1 shl Cost;
+  InitializeKey();
+  EKSKey(Salt, HashKey);
+
+  for i := 1 to BCryptRounds do
+    begin
+      NKey(HashKey);
+      NKey(Salt);
+    end;
+
+  for i := 1 to 64 do
+    begin
+      for j := 0 to (CryptLength shr 1) - 1 do
+        begin
+          Encipher(CryptData, j shl 1);
+        end;
+    end;
+
+  SetLength(Result, CryptLength * 4);
+  j := 0;
+  for i := 0 to CryptLength - 1 do
+    begin
+      Result[j] := (CryptData[i] shr 24) and $FF;
+      Inc(j);
+      Result[j] := (CryptData[i] shr 16) and $FF;
+      Inc(j);
+      Result[j] := (CryptData[i] shr 8) and $FF;
+      Inc(j);
+      Result[j] := CryptData[i] and $FF;
+      Inc(j);
+    end;
+end; { RTBCrypt.CryptRaw }
+
+procedure RTBCrypt.EKSKey(const Salt, HashKey: TBytes);
+var
+  lr: array[0..1] of DWord;
+  i, passwordOffset, saltOffset, PLen, SLen: SizeInt;
+begin
+  passwordOffset := 0;
+  saltOffset := 0;
+  PLen := Length(FPBox);
+  SLen := Length(FSBox);
+  lr[0] := 0;
+  lr[1] := 0;
+
+  for i := 0 to PLen - 1 do
+  begin
+    FPBox[i] := FPBox[i] xor StreamToWord(HashKey, passwordOffset);
+  end;
+  for i := 0 to (PLen div 2) - 1 do
+  begin
+    lr[0] := lr[0] xor StreamToWord(Salt, saltOffset);
+    lr[1] := lr[1] xor StreamToWord(Salt, saltOffset);
+    Encipher(lr, 0);
+    FPBox[2 * i] := lr[0];
+    FPBox[2 * i + 1] := lr[1];
+  end;
+  for i := 0 to (SLen div 2) - 1 do
+  begin
+    lr[0] := lr[0] xor StreamToWord(Salt, saltOffset);
+    lr[1] := lr[1] xor StreamToWord(Salt, saltOffset);
+    Encipher(lr, 0);
+    FSBox[2 * i] := lr[0];
+    FSBox[2 * i + 1] := lr[1];
+  end;
+end; { RTBCrypt.EKSKey }
+
+{$OVERFLOWCHECKS OFF}
+procedure RTBCrypt.Encipher(var lr: array of DWord; const offset: SizeInt);
+var
+  i, n, block, r: DWord;
+begin
+  block := lr[offset];
+  r := lr[offset + 1];
+  block := block xor FPBox[0];
+  i := 1;
+  while i <= BLOWFISH_NUM_ROUNDS - 1 do
+  begin
+    n := FSBox[(block shr 24) and $FF];
+    n := n + FSBox[$100 or ((block shr 16) and $FF)];
+    n := n xor FSBox[$200 or ((block shr 8) and $FF)];
+    n := n + FSBox[$300 or (block and $FF)];
+    r := r xor (n xor FPBox[i]);
+    Inc(i);
+
+    n := FSBox[(r shr 24) and $FF];
+    n := n + FSBox[$100 or ((r shr 16) and $FF)];
+    n := n xor FSBox[$200 or ((r shr 8) and $FF)];
+    n := n + FSBox[$300 or (r and $FF)];
+    block := block xor (n xor FPBox[i]);
+    Inc(i);
+  end;
+  lr[offset] := r xor FPBox[BLOWFISH_NUM_ROUNDS + 1];
+  lr[offset + 1] := block;
+end;
+{$OVERFLOWCHECKS ON}
+
+function RTBCrypt.FormatPasswordHash(const Salt, Hash: TBytes; Cost : Byte; HashType : THashTypes): AnsiString;
+var
+  SaltString: ansistring;
+  HashString: ansistring;
+  HashPrefix : AnsiString;
+begin
+  case HashType of
+  bcBSD : begin
+    HashPrefix := '2a';
+  end;
+  bcPHP,bcDefault : begin
+    HashPrefix := '2y';
+  end;
+ end;
+  SaltString := RTBase64.BSDEncodeBytes(Salt, Length(Salt));
+  HashString := RTBase64.BSDEncodeBytes(Hash, Length(MagicText) * 4 - 1);
+  Result := Format('$%s$%d$%s%s', [HashPrefix, Cost, SaltString, HashString]);
+end;
+
+function RTBCrypt.getRandomBlockFileName : AnsiString;
+var
+  OSRandomBlockFileName : PAnsiString;
+begin
+  OSRandomBlockFileName := NewStr(Space(12));
+  SetLength(OSRandomBlockFileName^, 12);
+  if osHasURandomBlock then
+    begin
+      AssignStr(OSRandomBlockFileName, '/dev/urandom');
+    end
+  else if osHasRandomBlock then
+    begin
+      AssignStr(OSRandomBlockFileName,'/dev/random');
+    end;
+    Result := OSRandomBlockFileName^;
+    DisposeStr(OSRandomBlockFileName);
+end; { RTBCrypt.getRandomBlockFileName }
+
+procedure RTBCrypt.InitializeKey();
+begin
+  Move(SBoxOrg, FSBox, Sizeof(FSBox));
+  Move(PBoxOrg, FPBox, Sizeof(FPBox));
+end; { RTBCrypt.InitializeKey }
+
+function RTBCrypt.isBSDAlphabet(CurrentCharacter : Char) : Boolean;
+begin
+  Result := CurrentCharacter in ['.','/','a'..'z', 'A'..'Z', '0'..'9'];
+end; { RTBCrypt.isBSDAlphabet }
+
+function RTBCrypt.MTRandomBytes(NumberOfBytes : SizeUInt) : AnsiString;
+var
+  RandomByteString : AnsiString;
+  Count : SizeUint;
+  WorkingByte : sizeUInt;
+begin
+  Count := 1;
+  WorkingByte := 0;
+  SetLength(RandomByteString, (NumberOfBytes * 2) +1);
+
+  Randomize;
+  while Count <= (NumberOfBytes * 2) do
+    begin
+      { ???: Replace this with internal Windows CryptGenRandom function
+         when I get ahold of a Windows machine. }
+      WorkingByte := WorkingByte or RandomRange(1000000, Maxint) xor RandomRange(10000, Maxint);
+      RandomByteString[Count] := Chr(WorkingByte mod 256);
+      Inc(Count);
+    end;
+    SetLength(RandomByteString, NumberOfBytes);
+    Result := RandomByteString;
+end; { RTBCrypt.MTRandomBytes }
+
+procedure RTBCrypt.NKey(const HashKey: TBytes);
+var
+  lr: array[0..1] of DWord;
+  i, passwordOffset, PLen, SLen: SizeInt;
+begin
+  passwordOffset := 0;
+  PLen := Length(FPBox);
+  SLen := Length(FSBox);
+  lr[0] := 0;
+  lr[1] := 0;
+
+  for i := 0 to PLen - 1 do
+  begin
+    FPBox[i] := FPBox[i] xor StreamToWord(HashKey, passwordOffset);
+  end;
+  for i := 0 to (PLen div 2) - 1 do
+  begin
+    Encipher(lr, 0);
+    FPBox[2 * i] := lr[0];
+    FPBox[2 * i + 1] := lr[1];
+  end;
+  for i := 0 to (SLen div 2) - 1 do
+  begin
+    Encipher(lr, 0);
+    FSBox[2 * i] := lr[0];
+    FSBox[2 * i + 1] := lr[1];
+  end;
+end; { RTBCrypt.NKey }
+
+function RTBCrypt.osHasRandomBlock : Boolean;
+begin
+  osHasRandomBlock := FileExists('/dev/random');
+end; { RTBCrypt.osHasRandomBlock }
+
+function RTBCrypt.osHasURandomBlock : Boolean;
+begin
+   osHasURandomBlock := FileExists('/dev/urandom');
+end; { RTBCrypt.osHasURandomBlock }
+
+function RTBCrypt.MakeSalt : TBytes;
+var
+  ByteArray: TBytes;
+  RandomTempString : AnsiString;
+  i : SizeInt;
+begin
+SetLength(RandomTempString, 17);
+SetLength(ByteArray, 16);
+{$IFDEF UNIX}
+  RandomTempString := UnixRandomBytes(BCRYPT_SALT_LEN);
+{$ELSE}
+  Randomize;
+  RandomTempString := MTRandomBytes(BCRYPT_SALT_LEN);
+{$ENDIF}
+  i := 0;
+  while i <= Length(RandomTempString) do
+    begin
+      ByteArray[i] := Ord(RandomTempString[i+1]);
+      Inc(i);
+    end;
+    SetLength(ByteArray, 16);
+    Result := ByteArray;
+end;
+
+function RTBCrypt.StreamToWord(const RawByteData: TBytes; var offset: SizeInt): DWord;
+var
+  i: SizeInt;
+begin
+  Result := 0;
+  for i := 1 to 4 do
+  begin
+    Result := (Result shl 8) or (RawByteData[offset] and $FF);
+    offset := (offset + 1) mod Length(RawByteData);
+  end;
+end; { RTBCrypt.StreamToWord }
+
+function RTBCrypt.UnixRandomBytes(NumberOfBytes : SizeUInt) : AnsiString;
+var
+  OSRandomBlockFileName : AnsiString;
+  RandomFileStream : TFileStream;
+  RandomFileBuffer : AnsiString;
+  FileBytesRead : SizeUInt;
+begin
+    SetLength(OSRandomBlockFileName, 13);
+    OSRandomBlockFileName := getRandomBlockFileName;
+    SetLength(RandomFileBuffer, (NumberOfBytes * 2));
+  try
+    RandomFileStream := TFileStream.Create(OSRandomBlockFileName, fmOpenRead);
+    RandomFileStream.Position := 0;
+    FileBytesRead := 1;
+
+    while FileBytesRead <= (NumberOfBytes * 2) do
+      begin
+        RandomFileStream.Read(RandomFileBuffer[FileBytesRead], 1);
+        Inc(FileBytesRead);
+      end;
+  except
+    on E:Exception do
+      writeln('File : ', OSRandomBlockFileName, ' could not be read or written because: ', E.Message);
+    end;
+
+  SetLength(RandomFileBuffer, NumberOfBytes);
+  RandomFileStream.Free;
+  Result := RandomFileBuffer;
+end; { RTBCrypt.unixRandomBytes }
+
+function RTBCrypt.CreateHash(const Password : AnsiString) : AnsiString; overload;
+begin
+  Result := CreateHash(Password, bcPHP, BCRYPT_DEFAULT_COST);
+end;
+function RTBCrypt.CreateHash(const Password : AnsiString; HashType : THashTypes) : AnsiString; overload;
+begin
+ Result := CreateHash(Password, HashType, BCRYPT_DEFAULT_COST);
+end; { RTBCrypt.CreateHash }
+
+function RTBCrypt.CreateHash(const Password : AnsiString; HashType : THashTypes; Cost : Byte) : AnsiString; overload;
+var
+  PasswordKey,
+  SaltBytes,
+  Hash : TBytes;
+begin
+ if (Cost < 10) or (Cost > 30) then
+   begin
+     raise Exception.Create('Invalid value for cost.  It must be between 10 and 30.');
+   end;
+ SetLength(PasswordKey, Length(Password) + 1);
+ Move(Password[1], PasswordKey[0], Length(Password));
+ PasswordKey[High(PasswordKey)] := 0;
+ SaltBytes := MakeSalt;
+ Hash := CryptRaw(PasswordKey, SaltBytes, Cost);
+ Result := FormatPasswordHash(SaltBytes, Hash, Cost, HashType);
+end; { RTBCrypt.CreateHash }
+
+function RTBCrypt.Crypt(const Password, Salt : AnsiString; Cost : Byte; HashType : THashTypes) : AnsiString;
+var
+  PasswordKey,
+  SaltBytes,
+  Hash : TBytes;
+begin
+  SetLength(PasswordKey, Length(Password) +1);
+  Move(Password[1], PasswordKey[0], Length(Password));
+  PasswordKey[High(PasswordKey)] := 0;
+  SaltBytes := RTBase64.BSDDecodeBytes(Salt);
+
+  Hash := CryptRaw(PasswordKey, SaltBytes, Cost);
+  Result := FormatPasswordHash(SaltBytes, Hash, Cost, HashType);
+end;
+
+function RTBCrypt.ResolveHashType(const HashType : AnsiString) : THashTypes;
+begin
+  case HashType of
+    '$2y$': begin
+      Result := (bcPHP);
+    end;
+    '$2a$': begin
+      Result := (bcBSD);
+    end;
+  else
+   begin
+     Result := (bcPHP);
+   end;
+  end;
+end;
+
+function RTBCrypt.VerifyHash(const Password, Hash : AnsiString) : Boolean;
+var
+  WorkingBcryptHash, Salt : AnsiString;
+  HashCounter, ResultStatus, BCryptCost : Byte;
+  HashType : THashTypes;
+  PasswordInfo :RTPasswordInformation;
+Begin
+  ResultStatus := 0;
+  try
+    PasswordInfo := HashGetInfo(Hash);
+  except
+    on e: EHash do
+      begin
+        Result := False;
+        Exit;
+      end;
+  end;
+  with PasswordInfo do
+    begin
+        HashType := Algo;
+        BCryptCost := Cost;
+        Salt := BCryptSalt;
+    end;
+      WorkingBcryptHash := Crypt(Password, Salt, BCryptCost, HashType);
+      if (Length(WorkingBcryptHash) < 60) or (Length(WorkingBcryptHash) > 60) then
+        begin
+          Result := False;
+          Exit;
+        end;
+      if Length(Hash) <> Length(WorkingBcryptHash) then
+        begin
+          Result := False;
+          Exit;
+        end;
+      for HashCounter := 1 to Length(Hash) do
+      begin
+      { From ext/standard/password.c php_password_verify line 244
+        We're using this method instead of = in order to provide
+        resistance towards timing attacks. This is a constant time
+        equality check that will always check every byte of both
+        values. }
+        ResultStatus := ResultStatus or (ord(WorkingBcryptHash[HashCounter]) xor ord(Hash[HashCounter]));
+      end;
+
+      Result := (ResultStatus = 0);
+
+end;
+
+function RTBCrypt.NeedsRehash(const BCryptHash : AnsiString) : Boolean; overload;
+begin
+  Result := NeedsRehash(BCryptHash, BCRYPT_DEFAULT_COST);
+end;
+
+function RTBCrypt.NeedsRehash(const BCryptHash : AnsiString; Cost : Byte) : Boolean; overload;
+var
+  OldCost: Byte;
+begin
+  OldCost := StrToInt(Copy(BCryptHash, 5, 2));
+  if OldCost <> Cost then
+    begin
+      Result := True;
+    end else
+    begin
+      Result := False;
+    end;
+end;
+
+function RTBCrypt.HashGetInfo(const Hash : AnsiString) : RTPasswordInformation;
+var
+  PasswordInfo : RTPasswordInformation;
+  BCryptCost : Byte;
+  BCryptHash,
+  BCryptSalt : AnsiString;
+  HashType : THashTypes;
+begin
+  if (Length(Hash) < 60) or (Length(Hash) > 60) then
+    begin
+      raise EHash.Create(Format(#10#13'Invalid hash %s'#10#13, [Hash]));
+      Exit;
+    end;
+  HashType := ResolveHashType(Copy(Hash, 1, 4));
+  BCryptCost := StrToInt(Copy(Hash, 5, 2));
+  BCryptSalt := Copy(Hash, 8, 22);
+  BCryptHash := Copy(Hash, 30, 60);
+
+  PasswordInfo.Algo := HashType;
+  PasswordInfo.Cost := BCryptCost;
+  PasswordInfo.AlgoName := 'bcrypt';
+  PasswordInfo.BCryptSalt := BCryptSalt;
+  PasswordInfo.BCryptHash := BCryptHash;
+
+  Result := PasswordInfo;
+end;
+
+end.

LICENSE.MIT

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2016 Ugochukwu Mmaduekwe
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

Makefile.fpc

@@ -0,0 +1,20 @@
+#
+#  Makefile.fpc for hash units example
+#
+
+[target]
+units=Renegade.Hash
+
+[require]
+packages=
+
+
+[compiler]
+options=-Fu"./HashLib/HashLib/src/*"
+
+[default]
+fpcdir=${FPCDIR}
+
+
+
+

Renegade.Hash.pp

@@ -45,20 +45,98 @@ uses
   Hash.Md,
   Hash.Sha,
   Hash.Base64,
-  Hash.Util;
+  Hash.Util,
+  Hash.BCrypt;
 
 type
+  TBCrypt = object
+     public
+       function Hash(const Password : AnsiString) : AnsiString; overload;static;
+       function Hash(const Password : AnsiString; HashType : THashTypes) : AnsiString; overload;
+       function Hash(const Password : AnsiString; HashType : THashTypes; Cost : Byte) : AnsiString; overload;
+       function Verify(const Password, BCryptHash : AnsiString) : Boolean;
+       function NeedsRehash(const BCryptHash : AnsiString) : Boolean; overload;
+       function NeedsRehash(const BCryptHash : AnsiString; Cost : Byte) : Boolean; overload;
+       function GetInfo(const BCryptHash : AnsiString) : RTPasswordInformation;
+  end;
+
   RTHash = object
     public
       Base64 : RTBase64;static;
       Sha : RTSha;static;
       Md : RTMd;static;
       Util : RTHashUtil;static;
+      BCrypt : TBCrypt;static;
       function HashEquals(KnownHash, CheckedHash : ansistring): boolean;static;
   end;
 
 implementation
 
+{ TBCrypt }
+function TBCrypt.Hash(const Password : AnsiString) : AnsiString; overload;
+var
+  BCrypt : RTBCrypt;
+begin
+  BCrypt := RTBCrypt.Create;
+  Result := BCrypt.CreateHash(Password, bcPHP, BCRYPT_DEFAULT_COST);
+  BCrypt.Free;
+end;
+
+function TBCrypt.Hash(const Password : AnsiString; HashType : THashTypes) : AnsiString; overload;
+var
+  BCrypt : RTBCrypt;
+begin
+  BCrypt := RTBCrypt.Create;
+  Result := BCrypt.CreateHash(Password, HashType, BCRYPT_DEFAULT_COST);
+  BCrypt.Free;
+end;
+
+function TBCrypt.Hash(const Password : AnsiString; HashType : THashTypes; Cost : Byte) : AnsiString; overload;
+var
+  BCrypt : RTBCrypt;
+begin
+  BCrypt := RTBCrypt.Create;
+  Result := BCrypt.CreateHash(Password, HashType, Cost);
+  BCrypt.Free;
+end;
+
+function TBCrypt.Verify(const Password, BCryptHash : AnsiString) : Boolean;
+var
+  BCrypt : RTBCrypt;
+begin
+  BCrypt := RTBCrypt.Create;
+  Result := BCrypt.VerifyHash(Password, BCryptHash);
+  BCrypt.Free;
+end;
+
+function TBCrypt.NeedsRehash(const BCryptHash : AnsiString) : Boolean; overload;
+var
+  BCrypt : RTBCrypt;
+begin
+  BCrypt := RTBCrypt.Create;
+  Result := BCrypt.NeedsRehash(BCryptHash, BCRYPT_DEFAULT_COST);
+  BCrypt.Free;
+end;
+
+function TBCrypt.NeedsRehash(const BCryptHash : AnsiString; Cost : Byte) : Boolean; overload;
+var
+  BCrypt : RTBCrypt;
+begin
+  BCrypt := RTBCrypt.Create;
+  Result := BCrypt.NeedsRehash(BCryptHash, Cost);
+  BCrypt.Free;
+
+end;
+
+function TBCrypt.GetInfo(const BCryptHash : AnsiString) : RTPasswordInformation;
+var
+  BCrypt : RTBCrypt;
+begin
+  BCrypt := RTBCrypt.Create;
+  Result := BCrypt.HashGetInfo(BCryptHash);
+  BCrypt.Free;
+end;
+
 function RTHash.HashEquals(KnownHash, CheckedHash : ansistring): boolean;
 begin
       Result := Util.HashEquals(KnownHash, CheckedHash);

autogen.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+fpcBaseInput=$1
+
+if [ "$fpcBaseInput" == "" ]; then
+  fpcBase=$(dirname $(dirname $(which fpc)))/lib/fpc/$(fpc -iV)
+else
+  fpcBase=$fpcBaseInput
+fi
+
+if [ ! -d $fpcBase ]; then
+  echo "Need an FPC base to fpc sources"
+  echo "Usually /usr/lib{32,64}/fpc/{fpc-version}/ on Linux machines."
+  echo "or C:\FPC\..\.. on Windows machines."
+  exit 255
+fi
+
+[ -f "Makefile" ] && rm Makefile
+
+echo "Making with unit/source directory '$fpcBase'"
+
+FPCDIR="$fpcBase" fpcmake
+

tests/BCryptHashTest.pas

@@ -0,0 +1,344 @@
+Program BCryptHashTest;
+{$mode objfpc}{$H+}
+{$ASSERTIONS ON}
+{$UNITPATH ../}
+
+uses Hash.BCrypt, Classes, SysUtils, Crt;
+const
+  HashToMatch1 = '$2y$14$6m54yWmpJRWWVkUz9p7feOlfQvafHGwsWt9pYupeLr8DU5wKMv.wW';
+  HashToMatch2 = '$2y$16$d6eiNIIJPsVWtF.RCr.GUuCRs2hHFDB.0wPR.uK4kTi7KJvIO7k8e';
+  BSDHashToMatch = '$2a$14$6m54yWmpJRWWVkUz9p7feOlfQvafHGwsWt9pYupeLr8DU5wKMv.wW';
+  ShortHash = '$2y$14$6m54yWmpJRWWVkUz9p7feOlfQvafHGwsWt9pYupeLr8DU5wK';
+  LongHash = '$2y$14$6m54yWmpJRWWVkUz9p7feOlfQvafHGwsWt9pYupeLr8DU5wKMv.wWwKMvwKMv';
+  StaticPassword = 'password';
+
+var
+  TBCrypt : RTBCrypt;
+  PasswordInfo : RTPasswordInformation;
+  i, j,
+  Assertions,
+  FailedAssertions,
+  PassedAssertions : Word;
+  Passed : Boolean;
+
+  PasswordHashes : array [1..14] of AnsiString = (
+    '$2y$10$LCb3aOt8lAXSzNrEpQKDQO1zc2wCCQltrDwSEbb9JaUo4OKbphC3i',
+    '$2y$11$H7TRTJZqQTzN5RCiwMOne.yjVxyKCd4GyLrBQzV91gK0T4XQeKTNa',
+    '$2y$12$EL5tAZCoKb/kz4Q6WWCiw.DY1Ow/PcyE0w0Uo/SNjtnq7mePss/Yq',
+    '$2y$13$ou4ZkaFPLILNkSLNINSw9uEARJOQQr8u02KbVuosBs3ULxpbEpjwS',
+    '$2y$14$jvv79wTecdgfOjhefJL8B.ziJNvfqf.hR9IkUdEzgOVyqzgUDMnW.',
+    '$2y$15$EdDG3DH94Yw5HWD8pHFpwuF6Bs/24cnf0c.H2UrhPeld4sl5.LPT.',
+    '$2y$16$NjsYCIxFgM0KUfJ2N0tW1umTh4hUV696cEwVo8TM/grYdfbc4dwwu',
+    // BSD
+    '$2a$10$gd4l18fYW85l4he4zRD.seTuSA81Ku.Myqhdqp0LapOoGyHIe3okG',
+    '$2a$11$sbCP6X5yYvjYe8EJt2H4wOGxiTT/JIXz.fCaVdLAXp58mEiXeQlrO',
+    '$2a$12$hnT.LCI2PlLFDDI8lAi6G.Lmb5Q45pUIKk7Rabos9LNl8gqW4Z9gi',
+    '$2a$13$UB99eDai2k5YrwAAbqxPreIStZiSszuRT0AZCP4hvavPSxUoC7DxW',
+    '$2a$14$SDveEpfBff4N4FkpvQyxyu07EFhADHjk3lJkW3mV0/1x98xK28LKK',
+    '$2a$15$7z9ZVYe16/s6NAXjWO2eyeCPR0tyUhI4PCj0LlJZ3XUR2NMrmO18y',
+    '$2a$16$ZhJeznvMiClYg20vpSjPDOC79J5KKlaLmQAXuObWHl90G2D21NvKO');
+
+  PHPPasswordHashes : array [1..7] of AnsiString = (
+    '$2y$10$jRrQ51AeaJsJwNUw.QCDsOixDj.E0Vf2AG4tZdDmWqCSypmpFTr/q',
+    '$2y$11$VEWaKBoOqoer/kjv3p/6SOa0SVTLRqH5huBsH7/6UlOvHI8f4zvvO',
+    '$2y$12$hB6POF2QYZrkIx5a/CzB.OxvmJV9gy.93SPmOvwVySwukE1fJFgZm',
+    '$2y$13$UWJNfSSzwYKeYyddhVYbNuyjYJx6ZZMGSLJnYcxiaFmYmPcTnJgxK',
+    '$2y$14$FY/x2WRjTSB54IcSiRkz3u0mtyyNzeX/JQmxFxIyWrrc24JK3EuVK',
+    '$2y$15$LE0.AEojI.2T6RadZVhc7eVsAkGsv0A2t0cKgWQBuAes86m.G036q',
+    '$2y$16$yYy5GcoIgdd02DmUM3tfded5R5mv4K5QNG8QZDylGadokBdSL2WU6');
+
+  PasswordHashFailures : array [1..7] of AnsiString = (
+    '$2y$10$LCb3aOt8lAXSzNrEpQKDQO1zc2wCCQltrDwSEbb9JaUo4OKbph',
+    '$2y$11$H7TRTJZqQTzN5RCiwMOne.yjVxyKCd4GyLrBQzV91gK0T4XQeKTNadr',
+    '$2y$12$EL5tAZCoKb/kz4Q6WWCiw.DY1Ow/PcyE0w0Uo/SNjtnq7mePss/YQ',
+    '$2y$13$ou4ZkaFPLILNkSLNINSw9uEARJOQQr8u02KbVuosBs3ULxpbEpjwt',
+    '$2y$14$jvv79wTecdgfOjhefJL8B.ziJNvfqf.hR9IkUdEzgOVyqzgUDMn.W',
+    '$2y$15$EdDG3DH94Yw5HWD8pHFpwuF6Bs/24cnf0c.H2UrhPeld4sl5.LP.',
+    '$2y$16$NjsYCIxFgM0KUfJ2N0tW1umTh4hV696cEwVo8TM/gYdfbc4duwwd/');
+
+begin
+
+TBCrypt := RTBCrypt.Create;
+
+Assertions := 0;
+FailedAssertions := 0;
+PassedAssertions := 0;
+
+WriteLn(#10#13'Testing Pascal Hashes ...'#10#13);
+for i := 1 to 14 do
+  begin
+      Write('Testing : ', PasswordHashes[i]);
+      try
+        Assert(TBCrypt.VerifyHash(StaticPassword, PasswordHashes[i]) = True, 'Should Be True');
+        Inc(Assertions);
+      except
+        on e: EAssertionFailed do
+          begin
+            WriteLn(' - Fail');
+            Inc(FailedAssertions);
+            Continue;
+          end;
+      end;
+      WriteLn(' - Pass');
+      Inc(PassedAssertions);
+      if i = 7 then
+        begin
+          Writeln(#10#13'Testing BSD Hashes ...'#10#13);
+        end;
+  end;
+WriteLn(#10#13'Testing PHP Hashes ...'#10#13);
+for i := 1 to 7 do
+  begin
+      Write('Testing : ', PHPPasswordHashes[i]);
+      try
+        Assert(TBCrypt.VerifyHash(StaticPassword, PHPPasswordHashes[i]) = True, 'Should Be True');
+        Inc(Assertions);
+      except
+        on e: EAssertionFailed do
+          begin
+            WriteLn(' - Fail');
+            Inc(FailedAssertions);
+            Continue;
+        end;
+      end;
+      WriteLn(' - Pass');
+      Inc(PassedAssertions);
+  end;
+WriteLn(#10#13'Testing Failures ...'#10#13);
+for i := 1 to 7 do
+  begin
+    Write('Testing : ', PasswordHashFailures[i]);
+    try
+      Assert(TBCrypt.VerifyHash(StaticPassword, PasswordHashFailures[i]) = False, 'Should Be False');
+      Inc(Assertions);
+    except
+      on e: EAssertionFailed do
+        begin
+          WriteLn(' - Fail');
+          Inc(FailedAssertions);
+          Continue;
+        end;
+    end;
+    WriteLn(' - Pass');
+    Inc(PassedAssertions);
+
+  end;
+
+WriteLn(#10#13'Testing Rehash True ...'#10#13);
+for i := 1 to 7 do
+  begin
+    Write('Testing : ', PasswordHashes[i]);
+    try
+      Assert(TBCrypt.NeedsRehash(PasswordHashes[i], 17) = True, 'Should Be True');
+      Inc(Assertions);
+    except
+      on e: EAssertionFailed do
+        begin
+          WriteLn(' - Fail');
+          Inc(FailedAssertions);
+          Continue;
+        end;
+    end;
+    WriteLn(' - Pass');
+    Inc(PassedAssertions);
+  end;
+
+  WriteLn(#10#13'Testing Rehash False ...'#10#13);
+  j := 10;
+  for i := 1 to 7 do
+    begin
+      Write('Testing : ', PasswordHashes[i]);
+      try
+        Assert(TBCrypt.NeedsRehash(PasswordHashes[i], j) = False, 'Should Be False');
+        Inc(Assertions);
+      except
+        on e: EAssertionFailed do
+          begin
+            WriteLn(' - Fail');
+            Inc(FailedAssertions);
+            Inc(j);
+            Continue;
+          end;
+      end;
+      WriteLn(' - Pass');
+      Inc(PassedAssertions);
+      Inc(j);
+    end;
+
+  WriteLn(#10#13'Testing HashGetInfo on hash '#10#13, HashToMatch2, ' ...'#10#13);
+  PasswordInfo := TBCrypt.HashGetInfo(HashToMatch2);
+  Passed := True;
+  With PasswordInfo do
+  begin
+    Writeln('Algo : ', Algo);
+    try
+      Assert(Algo = bcPHP);
+      Inc(Assertions);
+    except
+      on e: EAssertionFailed do
+      begin
+        Inc(FailedAssertions);
+      end;
+    end;
+    WriteLn('AlgoName : ', AlgoName);
+    WriteLn('Cost : ', Cost);
+    Write('Salt : ', BCryptSalt);
+    try
+      Assert(Length(BCryptSalt) = 22, 'Should Be True');
+      Inc(Assertions);
+    except
+      on e: EAssertionFailed do
+        begin
+          Passed := False;
+        end;
+    end;
+    if Passed = False then
+      begin
+        Writeln(' Length - Fail');
+        Inc(FailedAssertions);
+      end else
+      begin
+        Writeln(' Length - Pass');
+        Inc(PassedAssertions);
+      end;
+      Passed := True;
+      Write('Hash : ', BCryptHash);
+      try
+        Assert(Length(BCryptHash) = 31, 'Should Be True');
+        Inc(Assertions);
+      except
+        on e: EAssertionFailed do
+          begin
+            Passed := False;
+          end;
+      end;
+      if Passed = False then
+        begin
+          Writeln(' Length - Fail');
+          Inc(FailedAssertions);
+        end else
+        begin
+          Writeln(' Length - Pass');
+          Inc(PassedAssertions);
+        end;
+
+  end;
+
+  WriteLn(#10#13'Testing HashGetInfo on bsd hash '#10#13, BSDHashToMatch, ' ...'#10#13);
+  PasswordInfo := TBCrypt.HashGetInfo(BSDHashToMatch);
+  Passed := True;
+  With PasswordInfo do
+  begin
+    Writeln('Algo : ', Algo);
+    try
+      Assert(Algo = bcBSD);
+      Inc(Assertions);
+    except
+      on e: EAssertionFailed do
+      begin
+        Inc(FailedAssertions);
+      end;
+    end;
+    WriteLn('AlgoName : ', AlgoName);
+    WriteLn('Cost : ', Cost);
+    Write('Salt : ', BCryptSalt);
+    try
+      Assert(Length(BCryptSalt) = 22, 'Should Be True');
+      Inc(Assertions);
+    except
+      on e: EAssertionFailed do
+        begin
+          Passed := False;
+        end;
+    end;
+    if Passed = False then
+      begin
+        Writeln(' Length - Fail');
+        Inc(FailedAssertions);
+      end else
+      begin
+        Writeln(' Length - Pass');
+        Inc(PassedAssertions);
+      end;
+      Passed := True;
+      Write('Hash : ', BCryptHash);
+      try
+        Assert(Length(BCryptHash) = 31, 'Should Be True');
+        Inc(Assertions);
+      except
+        on e: EAssertionFailed do
+          begin
+            Passed := False;
+          end;
+      end;
+      if Passed = False then
+        begin
+          Writeln(' Length - Fail');
+          Inc(FailedAssertions);
+        end else
+        begin
+          Writeln(' Length - Pass');
+          Inc(PassedAssertions);
+        end;
+
+  end;
+
+  Writeln(#10#13'Testing PasswordInfo with bad Hashes.'#10#13);
+  Passed := False;
+  try
+    Write('Short Hash : ', ShortHash);
+    PasswordInfo := TBCrypt.HashGetInfo(ShortHash);
+    Inc(Assertions);
+  except
+    on e: EHash do
+    begin
+      Passed := True;
+    end;
+  end;
+  if Passed = True then
+    begin
+      Writeln(' - Pass');
+      Inc(PassedAssertions);
+    end else
+    begin
+      Writeln(' - Fail');
+      Inc(FailedAssertions);
+    end;
+  Passed := False;
+  try
+    Write('Long Hash  : ', LongHash);
+    PasswordInfo := TBCrypt.HashGetInfo(LongHash);
+    Inc(Assertions);
+  except
+    on e: EHash do
+    begin
+      Passed := True;
+    end;
+  end;
+  if Passed = True then
+    begin
+      Writeln(' - Pass');
+      Inc(PassedAssertions);
+    end else
+    begin
+      Writeln(' - Fail');
+      Inc(FailedAssertions);
+    end;
+
+
+  Writeln(#10#13'Testing hashing ...'#10#13);
+  Writeln(TBCrypt.CreateHash(StaticPassword));
+  Writeln(TBCrypt.CreateHash(StaticPassword, bcBSD));
+  Writeln(TBCrypt.CreateHash(StaticPassword, bcDefault));
+  Writeln(TBCrypt.CreateHash(StaticPassword, bcPHP));
+  Writeln(TBCrypt.CreateHash(StaticPassword, bcBSD, 14));
+  Writeln(TBCrypt.CreateHash(StaticPassword, bcDefault, 14));
+  Writeln(TBCrypt.CreateHash(StaticPassword, bcPHP, 14));
+  Writeln(#10#13);
+
+TBCrypt.Free;
+  Writeln('Assertions        : ', Assertions);
+  Writeln('Passed Assertions : ', PassedAssertions);
+  Writeln('Failed Assertions : ', FailedAssertions);
+  Writeln;
+end.

tests/GenerateKnownShaHashes.php

@@ -1,4 +1,3 @@
-#!/usr/bin/env php
 <?php
 
 $testWord = 'testing';

tests/Makefile.fpc

@@ -3,7 +3,7 @@
 #
 
 [target]
-programs=MDTest GeneratePascalShaHashes
+programs=MDTest GeneratePascalShaHashes BCryptHashTest Base64Test HashEquals
 
 [require]
 packages=

tests/PHPBCryptTest.php

@@ -0,0 +1,97 @@
+<?php
+
+function bcrypt_assert_handler($file, $line, $code, $desc = null)
+{
+    if ($desc) {
+        print $desc . PHP_EOL;
+    }
+}
+
+assert_options(ASSERT_ACTIVE, 1);
+assert_options(ASSERT_WARNING, 0);
+assert_options(ASSERT_QUIET_EVAL, 0);
+assert_options(ASSERT_CALLBACK, 'bcrypt_assert_handler');
+
+$bsdPascalHash = '$2a$12$9NWTTEbRtjLNd4KdW.VtUekFA6pJ3DF23FqdvwwvMtoMD9zqdaZg2';
+$bsdPascalHashFail = '$2a$12$9NWTTEbRtjLNd4KdW.VtUekFA6pJ3DF23FqdvwwvMtoMD9zqdaZg1';
+$newPascalHashes = [
+  '$2y$12$GLL8OtZVx9J3/lksVDH6i.wVEqhqAEmdSpgzLQrRQZMtu7wOx/nk.',
+  '$2a$12$sQOTqzLqFU6jooUdGqpQFeN9e5I2XIXi5ie0ihLR9.NqplvXu0Ztu',
+  '$2y$12$86fBw62Evn7DQJrnO1A6H.qE2FN1WG7xGy4TXPqcI5R7zU4WAqtFu',
+  '$2y$12$Fxkqn4NfJwOiQyyner3lmu3HHMWYHFR6xunqUnIcq2vK.DvPqLTDK',
+  '$2a$14$gmQhGeuIBffRtzlyUZaSD.ziK8m/I/QZxAs.umB3gx4fcDxnKtIyK',
+  '$2y$14$GHHWeaJMHgb4B33oop0iMenv36Qx6ynjO4LfEfsA3iXCwOYQOoYra',
+  '$2y$14$4fXOHj0E4UvgJYkhtzkFa.VXavJhM5TOtAMljWDjrzmXCqxba918u',
+];
+$pascalHashesMT = [
+  '$2y$10$kJgRFQ993paFLArmPE3gn.8yuUB/SRpaEw7lkJJ1oVqhWVIecI5nO',
+  '$2y$11$kJgRFQ993paFLArmPE3gn.n9OJBeYd77RdOYnkdp9orILyaa5jDb6',
+  '$2y$12$onWrpSgN3URAnmBJZkpqieH1QwbkDe5.RXInCYJG9MCtXL0yH6rxe',
+  '$2y$13$AIbAdbn1wJ.Fc1dTNo/Ya..7mbUiSW91PRfn2d8.OYBkV5ddtjbge',
+  '$2y$14$4Q96fpQzCJ6OrfBHW/vYn.DP2JFC/PzdPPKjdEuVs8JPMkYWRPAWy',
+  '$2y$15$O2XqJxnSG0yOGuEgbgAGredSC7GPs72Bhm96cs0uWh79qhMVSroPy',
+  '$2y$16$kRupPRj4D7V0wDJwOqvHPev4ZA8/C4upHvvvXpnCt7nnWi.6tyrKK',
+];
+
+$pascalHashesURandom = [
+  '$2y$10$UCFG03qurE5eKhIIQRiMpu4Q1Y8xX2RgtHeB0TECbAsTW8bRrRmua',
+  '$2y$11$rbUzZuxaYAN9I3encPoqGO6tzwUId9Ig2U2FQy.l2jjGCX9VqnP9q',
+  '$2y$12$hDyyWY5qnGyE4he.2gbH3euopm.mOoMbnk78ZR9UgzjwaJp9BeGjK',
+  '$2y$13$Vt527KNEnGTfUSX90HzP8un0WWYN038sOMrr/LdaP1GzWr77/j17.',
+  '$2y$14$EitIDTZ4p2GxK63gDgSLAu63fGqkj0VxWmfaYERkpuXt.SCA1YLh2',
+  '$2y$15$ELRZS1FLgo4.vVkJNqsnPeaKkUeHgIGLP42aHWHHc8ze8gUQviApO',
+  '$2y$16$Y0QNc8vaJJY5mQO0IkN6oeAxEVjtnHYqk0WeWLPm7bRjxA7fWHRBG',
+];
+
+print PHP_EOL . 'Testing bsdPascalHash ... ' . str_repeat(PHP_EOL, 2);
+print 'Testing : ' . $bsdPascalHash;
+if (true === assert(password_verify('password', $bsdPascalHash), ' - Fail')) {
+    print ' - Pass' . PHP_EOL;
+}
+print PHP_EOL . 'Testing bsdPascalHash for failure ... ' . str_repeat(PHP_EOL, 2);
+print 'Testing : ' . $bsdPascalHashFail;
+if (true === assert(!password_verify('password', $bsdPascalHashFail), ' - Fail')) {
+    print ' - Pass' . PHP_EOL;
+}
+
+print PHP_EOL . 'Testing Pascal hashes MTRand ... ' . str_repeat(PHP_EOL, 2);
+foreach ($pascalHashesMT as $pascalHash) {
+    print 'Testing : ' . $pascalHash;
+    if (true === assert(password_verify('password', $pascalHash), ' - Fail')) {
+        print ' - Pass' . PHP_EOL;
+    }
+}
+
+print PHP_EOL . 'Testing Pascal hashes urandom ... ' . str_repeat(PHP_EOL, 2);
+foreach ($pascalHashesURandom as $pascalHash) {
+    print 'Testing : ' . $pascalHash;
+    if (true === assert(password_verify('password', $pascalHash), ' - Fail')) {
+        print ' - Pass' . PHP_EOL;
+    }
+}
+print PHP_EOL . 'Second round ... ' . str_repeat(PHP_EOL, 2);
+foreach($newPascalHashes as $newHash) {
+    print 'Testing : ' . $newHash;
+     if (true === assert(password_verify('password', $newHash), ' - Fail')) {
+        print ' - Pass' . PHP_EOL;
+    }
+}
+
+
+print PHP_EOL . 'Testing password_needs_rehash ... ' . str_repeat(PHP_EOL, 2);
+foreach ($pascalHashesURandom as $pascalHash) {
+    print 'Testing : ' . $pascalHash;
+    if (true === assert(
+        !password_needs_rehash(
+            $pascalHash,
+            PASSWORD_BCRYPT,
+            ['cost' => substr($pascalHash, 4, 2)]
+        ),
+        ' - Fail'
+    )
+        ) {
+        print ' - Pass' . PHP_EOL;
+    }
+}
+
+print PHP_EOL;