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Filename : blowfish.php
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<?php

/**
 * The Cipher_blowfish:: class implements the Cipher interface enryption data
 * using the Blowfish algorithm.
 *
 * $Horde: horde/lib/Cipher/blowfish.php,v 1.2.2.3 2003/01/03 13:23:22 jan Exp $
 *
 * Copyright 2002-2003 Mike Cochrane <mike@graftonhall.co.nz>
 *
 * See the enclosed file COPYING for license information (LGPL). If you
 * did not receive this file, see http://www.fsf.org/copyleft/lgpl.html.
 *
 * @author  Mike Cochrane <mike@graftonhall.co.nz>
 * @version $Revision: 1.3 $
 * @since   Horde 2.2
 * @package horde.cipher
 */
// Change for phpMyAdmin by lem9:
//class Horde_Cipher_blowfish extends Horde_Cipher {
class Horde_Cipher_blowfish
{
	/* Pi Array */

	private $p = array(
		0x243F6A88, 0x85A308D3, 0x13198A2E, 0x03707344,
		0xA4093822, 0x299F31D0, 0x082EFA98, 0xEC4E6C89,
		0x452821E6, 0x38D01377, 0xBE5466CF, 0x34E90C6C,
		0xC0AC29B7, 0xC97C50DD, 0x3F84D5B5, 0xB5470917,
		0x9216D5D9, 0x8979FB1B);

	/* S Boxes */
	private $s1 = array(
		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);
	private $s2 = array(
		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);
	private $s3 = array(
		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);
	private $s4 = array(
		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);

	/* The number of rounds to do */
	public $_rounds = 16;

	/* Constructor */

	public function __construct()
	{

	}

	/**
	 * Set the key to be used for en/decryption
	 *
	 * @param String $key   The key to use
	 */
	private function setKey($key)
	{
		$key = $this->_formatKey($key);
		$keyPos = $keyXor = 0;

		$iMax = count($this->p);
		$keyLen = count($key);
		for ($i = 0; $i < $iMax; $i++) {
			for ($t = 0; $t < 4; $t++) {
				$keyXor = ($keyXor << 8) | (($key[$keyPos]) & 0x0ff);
				if (++$keyPos == $keyLen) {
					$keyPos = 0;
				}
			}
			$this->p[$i] = $this->p[$i] ^ $keyXor;
		}

		$encZero = array('L' => 0, 'R' => 0);
		for ($i = 0; $i + 1 < $iMax; $i += 2) {
			$encZero = $this->_encryptBlock($encZero['L'], $encZero['R']);
			$this->p[$i] = $encZero['L'];
			$this->p[$i + 1] = $encZero['R'];
		}

		$iMax = count($this->s1);
		for ($i = 0; $i < $iMax; $i += 2) {
			$encZero = $this->_encryptBlock($encZero['L'], $encZero['R']);
			$this->s1[$i] = $encZero['L'];
			$this->s1[$i + 1] = $encZero['R'];
		}

		$iMax = count($this->s2);
		for ($i = 0; $i < $iMax; $i += 2) {
			$encZero = $this->_encryptBlock($encZero['L'], $encZero['R']);
			$this->s2[$i] = $encZero['L'];
			$this->s2[$i + 1] = $encZero['R'];
		}

		$iMax = count($this->s3);
		for ($i = 0; $i < $iMax; $i += 2) {
			$encZero = $this->_encryptBlock($encZero['L'], $encZero['R']);
			$this->s3[$i] = $encZero['L'];
			$this->s3[$i + 1] = $encZero['R'];
		}

		$iMax = count($this->s4);
		for ($i = 0; $i < $iMax; $i += 2) {
			$encZero = $this->_encryptBlock($encZero['L'], $encZero['R']);
			$this->s4[$i] = $encZero['L'];
			$this->s4[$i + 1] = $encZero['R'];
		}
	}

	/**
	 * Return the size of the blocks that this cipher needs
	 *
	 * @return Integer  The number of characters per block
	 */
	public function getBlockSize()
	{
		return 8;
	}

	/**
	 * Encrypt a block on data.
	 *
	 * @param String $block         The data to encrypt
	 * @param optional String $key  The key to use
	 *
	 * @return String the encrypted output
	 */
	public function encryptBlock($block, $key = null)
	{
		if (!is_null($key)) {
			$this->setKey($key);
		}

		list($L, $R) = array_values(unpack('N*', $block));
		$parts = $this->_encryptBlock($L, $R);
		return pack("NN", $parts['L'], $parts['R']);
	}

	private function _encryptN($N, $V, $p_idx)
	{
		$N = (int) $N;
		$V = (int) $V;
		$i1 = (int) ((int) ($N >> 24) & 0xFF);
		$i2 = (int) ((int) ($N >> 16) & 0x0FF);
		$i3 = (int) ((int) ($N >> 8) & 0x0FF);
		$i4 = (int) ($N & 0x0FF);
		$pi = (int) ($this->p[$p_idx]);

		$tmp = (int) ((int) $this->s1[$i1] + (int) $this->s2[$i2]);
		$tmp = (int) ($tmp ^ (int) $this->s3[$i3]);
		$tmp += (int) $this->s4[$i4];
		$tmp = (int) ((int) ($tmp) ^ $pi);
		$V ^= $tmp;
		return (int) $V;
	}

	/**
	 * Encrypt a block on data.
	 *
	 * @param String $L  The data to encrypt.
	 * @param String $R  The data to encrypt.
	 *
	 * @return String  The encrypted output.
	 */
	private function _encryptBlock($L, $R)
	{
		$L ^= (int)$this->p[0];
		$R = $this->_encryptN($L, $R, 1);
		$L = $this->_encryptN($R, $L, 2);
		$R = $this->_encryptN($L, $R, 3);
		$L = $this->_encryptN($R, $L, 4);
		$R = $this->_encryptN($L, $R, 5);
		$L = $this->_encryptN($R, $L, 6);
		$R = $this->_encryptN($L, $R, 7);
		$L = $this->_encryptN($R, $L, 8);
		$R = $this->_encryptN($L, $R, 9);
		$L = $this->_encryptN($R, $L, 10);
		$R = $this->_encryptN($L, $R, 11);
		$L = $this->_encryptN($R, $L, 12);
		$R = $this->_encryptN($L, $R, 13);
		$L = $this->_encryptN($R, $L, 14);
		$R = $this->_encryptN($L, $R, 15);
		$L = $this->_encryptN($R, $L, 16);
		$R ^= (int)$this->p[17];

		return array('L' => (int)$R, 'R' => (int)$L);
	}

	/* retired due to php8 implicit float conversion to int
	 * function _encryptBlock0($L, $R)
	  {
	  $L ^= $this->p[0];
	  $R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[1];
	  $L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[2];
	  $R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[3];
	  $L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[4];
	  $R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[5];
	  $L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[6];
	  $R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[7];
	  $L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[8];
	  $R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[9];
	  $L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[10];
	  $R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[11];
	  $L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[12];
	  $R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[13];
	  $L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[14];
	  $R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[15];
	  $L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[16];
	  $R ^= $this->p[17];

	  return array('L' => $R, 'R' => $L);
	  }
	 *
	 */

	/**
	 * Decrypt a block on data.
	 *
	 * @param String $block         The data to decrypt
	 * @param optional String $key  The key to use
	 *
	 * @return String the decrypted output
	 */

	public function decryptBlock($block, $key = null)
	{
		if (!is_null($key)) {
			$this->setKey($key);
		}

// change for phpMyAdmin
		$L = null;
		$R = null;

		$retarray = array_values(unpack('N*', $block));
		if (isset($retarray[0])) {
			$L = $retarray[0];
		}
		if (isset($retarray[1])) {
			$R = $retarray[1];
		}
// end change for phpMyAdmin

		$L ^= (int)$this->p[17];

		$R = $this->_encryptN($L, $R, 16);
		$L = $this->_encryptN($R, $L, 15);
		$R = $this->_encryptN($L, $R, 14);
		$L = $this->_encryptN($R, $L, 13);
		$R = $this->_encryptN($L, $R, 12);
		$L = $this->_encryptN($R, $L, 11);
		$R = $this->_encryptN($L, $R, 10);
		$L = $this->_encryptN($R, $L, 9);
		$R = $this->_encryptN($L, $R, 8);
		$L = $this->_encryptN($R, $L, 7);
		$R = $this->_encryptN($L, $R, 6);
		$L = $this->_encryptN($R, $L, 5);
		$R = $this->_encryptN($L, $R, 4);
		$L = $this->_encryptN($R, $L, 3);
		$R = $this->_encryptN($L, $R, 2);
		$L = $this->_encryptN($R, $L, 1);

		$decrypted = pack("NN", (int)($R ^ (int)$this->p[0]), $L);
		return $decrypted;
	}

	/*function decryptBlock0($block, $key = null)
	{
		if (!is_null($key)) {
			$this->setKey($key);
		}

// change for phpMyAdmin
		$L = null;
		$R = null;

		$retarray = array_values(unpack('N*', $block));
		if (isset($retarray[0])) {
			$L = $retarray[0];
		}
		if (isset($retarray[1])) {
			$R = $retarray[1];
		}
// end change for phpMyAdmin

		$L ^= $this->p[17];
		$R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[16];
		$L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[15];
		$R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[14];
		$L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[13];
		$R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[12];
		$L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[11];
		$R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[10];
		$L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[9];
		$R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[8];
		$L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[7];
		$R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[6];
		$L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[5];
		$R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[4];
		$L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[3];
		$R ^= ((($this->s1[($L >> 24) & 0xFF] + $this->s2[($L >> 16) & 0x0ff]) ^ $this->s3[($L >> 8) & 0x0ff]) + $this->s4[$L & 0x0ff]) ^ $this->p[2];
		$L ^= ((($this->s1[($R >> 24) & 0xFF] + $this->s2[($R >> 16) & 0x0ff]) ^ $this->s3[($R >> 8) & 0x0ff]) + $this->s4[$R & 0x0ff]) ^ $this->p[1];

		$decrypted = pack("NN", $R ^ $this->p[0], $L);
		return $decrypted;
	} */

	/**
	 * Converts a text key into an array.
	 *
	 * @return array  The key.
	 */
	private function _formatKey($key)
	{
		return array_values(unpack('C*', $key));
	}

	/**
	 * String padding
	 *
	 * @param   string  input string
	 * @param   integer length of the result
	 * @param   string  the filling string
	 * @param   integer padding mode
	 *
	 * @return  string  the padded string
	 *
	 * @access  public
	 */
	public function full_str_pad($input, $pad_length, $pad_string = '', $pad_type = 0)
	{
		$str = '';
		$length = $pad_length - strlen($input);
		if ($length > 0) { // str_repeat doesn't like negatives
			if ($pad_type == STR_PAD_RIGHT) { // STR_PAD_RIGHT == 1
				$str = $input . str_repeat($pad_string, $length);
			} elseif ($pad_type == STR_PAD_BOTH) { // STR_PAD_BOTH == 2
				$str = str_repeat($pad_string, floor($length / 2));
				$str .= $input;
				$str .= str_repeat($pad_string, ceil($length / 2));
			} else { // defaults to STR_PAD_LEFT == 0
				$str = str_repeat($pad_string, $length) . $input;
			}
		} else { // if $length is negative or zero we don't need to do anything
			$str = $input;
		}
		return $str;
	}

}

// higher-level functions:

/**
 * Encryption using blowfish algorithm
 *
 * @param   string  original data
 * @param   string  the secret
 *
 * @return  string  the encrypted result
 *
 * @access  public
 *
 * @author  lem9
 */
function PMA_blowfish_encrypt($data, $secret)
{
	$pma_cipher = new Horde_Cipher_blowfish();
	$encrypt = '';
	for ($i = 0; $i < strlen($data); $i += 8) {
		$block = substr($data, $i, 8);
		if (strlen($block) < 8) {
			$block = $pma_cipher->full_str_pad($block, 8, "\0", 1);
		}
		$encrypt .= $pma_cipher->encryptBlock($block, $secret);
	}
	return base64_encode($encrypt);
}

/**
 * Decryption using blowfish algorithm
 *
 * @param   string  encrypted data
 * @param   string  the secret
 *
 * @return  string  original data
 *
 * @access  public
 *
 * @author  lem9
 */
function PMA_blowfish_decrypt($encdata, $secret)
{
	$pma_cipher = new Horde_Cipher_blowfish();
	$decrypt = '';
	$data = base64_decode($encdata);
	for ($i = 0; $i < strlen($data); $i += 8) {
		$decrypt .= $pma_cipher->decryptBlock(substr($data, $i, 8), $secret);
	}
	return trim($decrypt);
}