1459 lines
30 KiB
Java
1459 lines
30 KiB
Java
/*
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* This file is based on the Blowfish Engine that is part of the BouncyCastle JCE.
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* Copyright (c) 2000 The Legion Of The Bouncy Castle (http://www.bouncycastle.org)
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
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* and associated documentation files (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge, publish, distribute,
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* sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies
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* or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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* PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
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* FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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package com.l2jserver.util.crypt;
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import java.io.IOException;
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public final class BlowfishEngine
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{
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private static final int[] KP =
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{
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0x243F6A88,
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0x85A308D3,
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0x13198A2E,
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0x03707344,
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0xA4093822,
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0x299F31D0,
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0x082EFA98,
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0xEC4E6C89,
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0x452821E6,
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0x38D01377,
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0xBE5466CF,
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0x34E90C6C,
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0xC0AC29B7,
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0xC97C50DD,
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0x3F84D5B5,
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0xB5470917,
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0x9216D5D9,
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0x8979FB1B
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};
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private static final int[] KS0 =
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{
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0xD1310BA6,
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0x98DFB5AC,
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0x2FFD72DB,
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0xD01ADFB7,
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0xB8E1AFED,
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0x6A267E96,
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0xBA7C9045,
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0xF12C7F99,
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0x24A19947,
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0xB3916CF7,
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0x0801F2E2,
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0x858EFC16,
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0x636920D8,
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0x71574E69,
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0xA458FEA3,
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0xF4933D7E,
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0x0D95748F,
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0x728EB658,
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0x718BCD58,
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0x82154AEE,
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0x7B54A41D,
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0xC25A59B5,
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0x9C30D539,
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0x2AF26013,
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0xC5D1B023,
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0x286085F0,
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0xCA417918,
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0xB8DB38EF,
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0x8E79DCB0,
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0x603A180E,
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0x6C9E0E8B,
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0xB01E8A3E,
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0xD71577C1,
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0xBD314B27,
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0x78AF2FDA,
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0x55605C60,
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0xE65525F3,
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0xAA55AB94,
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0x57489862,
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0x63E81440,
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0x55CA396A,
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0x2AAB10B6,
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0xB4CC5C34,
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0x1141E8CE,
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0xA15486AF,
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0x7C72E993,
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0xB3EE1411,
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0x636FBC2A,
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0x2BA9C55D,
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0x741831F6,
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0xCE5C3E16,
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0x9B87931E,
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0xAFD6BA33,
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0x6C24CF5C,
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0x7A325381,
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0x28958677,
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0x3B8F4898,
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0x6B4BB9AF,
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0xC4BFE81B,
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0x66282193,
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0x61D809CC,
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0xFB21A991,
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0x487CAC60,
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0x5DEC8032,
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0xEF845D5D,
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0xE98575B1,
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0xDC262302,
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0xEB651B88,
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0x23893E81,
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0xD396ACC5,
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0x0F6D6FF3,
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0x83F44239,
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0x2E0B4482,
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0xA4842004,
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0x69C8F04A,
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0x9E1F9B5E,
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0x21C66842,
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0xF6E96C9A,
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0x670C9C61,
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0xABD388F0,
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0x6A51A0D2,
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0xD8542F68,
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0x960FA728,
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0xAB5133A3,
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0x6EEF0B6C,
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0x137A3BE4,
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0xBA3BF050,
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0x7EFB2A98,
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0xA1F1651D,
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0x39AF0176,
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0x66CA593E,
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0x82430E88,
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0x8CEE8619,
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0x456F9FB4,
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0x7D84A5C3,
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0x3B8B5EBE,
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0xE06F75D8,
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0x85C12073,
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0x401A449F,
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0x56C16AA6,
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0x4ED3AA62,
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0x363F7706,
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0x1BFEDF72,
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0x429B023D,
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0x37D0D724,
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0xD00A1248,
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0xDB0FEAD3,
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0x49F1C09B,
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0x075372C9,
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0x80991B7B,
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0x25D479D8,
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0xF6E8DEF7,
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0xE3FE501A,
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0xB6794C3B,
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0x976CE0BD,
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0x04C006BA,
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0xC1A94FB6,
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0x409F60C4,
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0x5E5C9EC2,
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0x196A2463,
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0x68FB6FAF,
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0x3E6C53B5,
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0x1339B2EB,
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0x3B52EC6F,
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0x6DFC511F,
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0x9B30952C,
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0xCC814544,
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0xAF5EBD09,
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0xBEE3D004,
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0xDE334AFD,
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0x660F2807,
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0x192E4BB3,
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0xC0CBA857,
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0x45C8740F,
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0xD20B5F39,
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0xB9D3FBDB,
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0x5579C0BD,
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0x1A60320A,
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0xD6A100C6,
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0x402C7279,
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0x679F25FE,
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0xFB1FA3CC,
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0x8EA5E9F8,
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0xDB3222F8,
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0x3C7516DF,
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0xFD616B15,
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0x2F501EC8,
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0xAD0552AB,
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0x323DB5FA,
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0xFD238760,
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0x53317B48,
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0x3E00DF82,
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0x9E5C57BB,
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0xCA6F8CA0,
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0x1A87562E,
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0xDF1769DB,
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0xD542A8F6,
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0x287EFFC3,
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0xAC6732C6,
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0x8C4F5573,
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0x695B27B0,
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0xBBCA58C8,
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0xE1FFA35D,
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0xB8F011A0,
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0x10FA3D98,
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0xFD2183B8,
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0x4AFCB56C,
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0x2DD1D35B,
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0x9A53E479,
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0xB6F84565,
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0xD28E49BC,
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0x4BFB9790,
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0xE1DDF2DA,
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0xA4CB7E33,
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0x62FB1341,
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0xCEE4C6E8,
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0xEF20CADA,
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0x36774C01,
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0xD07E9EFE,
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0x2BF11FB4,
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0x95DBDA4D,
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0xAE909198,
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0xEAAD8E71,
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0x6B93D5A0,
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0xD08ED1D0,
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0xAFC725E0,
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0x8E3C5B2F,
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0x8E7594B7,
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0x8FF6E2FB,
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0xF2122B64,
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0x8888B812,
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|
0x900DF01C,
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0x4FAD5EA0,
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0x688FC31C,
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0xD1CFF191,
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0xB3A8C1AD,
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0x2F2F2218,
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|
0xBE0E1777,
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|
0xEA752DFE,
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0x8B021FA1,
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0xE5A0CC0F,
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0xB56F74E8,
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0x18ACF3D6,
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0xCE89E299,
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0xB4A84FE0,
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0xFD13E0B7,
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0x7CC43B81,
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0xD2ADA8D9,
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0x165FA266,
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0x80957705,
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0x93CC7314,
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0x211A1477,
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0xE6AD2065,
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|
0x77B5FA86,
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0xC75442F5,
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0xFB9D35CF,
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0xEBCDAF0C,
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0x7B3E89A0,
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0xD6411BD3,
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|
0xAE1E7E49,
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0x00250E2D,
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0x2071B35E,
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0x226800BB,
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0x57B8E0AF,
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0x2464369B,
|
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0xF009B91E,
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0x5563911D,
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0x59DFA6AA,
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0x78C14389,
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0xD95A537F,
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|
0x207D5BA2,
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0x02E5B9C5,
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0x83260376,
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0x6295CFA9,
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0x11C81968,
|
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0x4E734A41,
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0xB3472DCA,
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0x7B14A94A,
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0x1B510052,
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0x9A532915,
|
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0xD60F573F,
|
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0xBC9BC6E4,
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0x2B60A476,
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0x81E67400,
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0x08BA6FB5,
|
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0x571BE91F,
|
|
0xF296EC6B,
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|
0x2A0DD915,
|
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0xB6636521,
|
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0xE7B9F9B6,
|
|
0xFF34052E,
|
|
0xC5855664,
|
|
0x53B02D5D,
|
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0xA99F8FA1,
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0x08BA4799,
|
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0x6E85076A
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};
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private static final int[] KS1 =
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{
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0x4B7A70E9,
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0xB5B32944,
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0xDB75092E,
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0xC4192623,
|
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0xAD6EA6B0,
|
|
0x49A7DF7D,
|
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0x9CEE60B8,
|
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0x8FEDB266,
|
|
0xECAA8C71,
|
|
0x699A17FF,
|
|
0x5664526C,
|
|
0xC2B19EE1,
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0x193602A5,
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0x75094C29,
|
|
0xA0591340,
|
|
0xE4183A3E,
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0x3F54989A,
|
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0x5B429D65,
|
|
0x6B8FE4D6,
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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 static final int[] KS2 =
|
|
{
|
|
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 static final int[] KS3 =
|
|
{
|
|
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
|
|
};
|
|
|
|
private static final int ROUNDS = 16;
|
|
private static final int BLOCK_SIZE = 8; // bytes = 64 bits
|
|
private static final int SBOX_SK = 256;
|
|
private static final int P_SZ = ROUNDS + 2;
|
|
private final int[] S0, S1, S2, S3; // the s-boxes
|
|
private final int[] P; // the p-array
|
|
private byte[] workingKey = null;
|
|
|
|
public BlowfishEngine()
|
|
{
|
|
S0 = new int[SBOX_SK];
|
|
S1 = new int[SBOX_SK];
|
|
S2 = new int[SBOX_SK];
|
|
S3 = new int[SBOX_SK];
|
|
P = new int[P_SZ];
|
|
}
|
|
|
|
/**
|
|
* Initialize a Blowfish cipher.
|
|
* @param key the key used to set up the cipher
|
|
*/
|
|
public void init(byte[] key)
|
|
{
|
|
workingKey = key;
|
|
setKey(workingKey);
|
|
}
|
|
|
|
public String getAlgorithmName()
|
|
{
|
|
return "Blowfish";
|
|
}
|
|
|
|
public int getBlockSize()
|
|
{
|
|
return BLOCK_SIZE;
|
|
}
|
|
|
|
private int func(int x)
|
|
{
|
|
return (((S0[(x >>> 24)] + S1[(x >>> 16) & 0xff]) ^ S2[(x >>> 8) & 0xff]) + S3[x & 0xff]);
|
|
}
|
|
|
|
/**
|
|
* apply the encryption cycle to each value pair in the table.
|
|
* @param xl
|
|
* @param xr
|
|
* @param table
|
|
*/
|
|
private void processTable(int xl, int xr, int[] table)
|
|
{
|
|
int size = table.length;
|
|
for (int s = 0; s < size; s += 2)
|
|
{
|
|
xl ^= P[0];
|
|
xr ^= func(xl) ^ P[1];
|
|
xl ^= func(xr) ^ P[2];
|
|
xr ^= func(xl) ^ P[3];
|
|
xl ^= func(xr) ^ P[4];
|
|
xr ^= func(xl) ^ P[5];
|
|
xl ^= func(xr) ^ P[6];
|
|
xr ^= func(xl) ^ P[7];
|
|
xl ^= func(xr) ^ P[8];
|
|
xr ^= func(xl) ^ P[9];
|
|
xl ^= func(xr) ^ P[10];
|
|
xr ^= func(xl) ^ P[11];
|
|
xl ^= func(xr) ^ P[12];
|
|
xr ^= func(xl) ^ P[13];
|
|
xl ^= func(xr) ^ P[14];
|
|
xr ^= func(xl) ^ P[15];
|
|
xl ^= func(xr) ^ P[16];
|
|
xr ^= P[17];
|
|
|
|
table[s] = xr;
|
|
table[s + 1] = xl;
|
|
xr = xl; // end of cycle swap
|
|
xl = table[s];
|
|
}
|
|
}
|
|
|
|
private void setKey(byte[] key)
|
|
{
|
|
/**
|
|
* - comments are from _Applied Crypto_, Schneier, p338.<br>
|
|
* Please be careful comparing the two, AC numbers the arrays from 1, the enclosed code from 0.<br>
|
|
* (1) Initialize the S-boxes and the P-array, with a fixed string This string contains the hexadecimal digits of pi (3.141...)
|
|
*/
|
|
System.arraycopy(KS0, 0, S0, 0, SBOX_SK);
|
|
System.arraycopy(KS1, 0, S1, 0, SBOX_SK);
|
|
System.arraycopy(KS2, 0, S2, 0, SBOX_SK);
|
|
System.arraycopy(KS3, 0, S3, 0, SBOX_SK);
|
|
System.arraycopy(KP, 0, P, 0, P_SZ);
|
|
/**
|
|
* (2) Now, XOR P[0] with the first 32 bits of the key, XOR P[1] with the second 32-bits of the key, and so on for all bits of the key (up to P[17]).<br>
|
|
* Repeatedly cycle through the key bits until the entire P-array has been XOR-ed with the key bits
|
|
*/
|
|
int keyLength = key.length;
|
|
int keyIndex = 0;
|
|
for (int i = 0; i < P_SZ; i++)
|
|
{
|
|
// get the 32 bits of the key, in 4 * 8 bit chunks
|
|
int data = 0x0000000;
|
|
for (int j = 0; j < 4; j++)
|
|
{
|
|
// create a 32 bit block
|
|
data = (data << 8) | (key[keyIndex++] & 0xff);
|
|
// wrap when we get to the end of the key
|
|
if (keyIndex >= keyLength)
|
|
{
|
|
keyIndex = 0;
|
|
}
|
|
}
|
|
// XOR the newly created 32 bit chunk onto the P-array
|
|
P[i] ^= data;
|
|
}
|
|
/**
|
|
* (3) Encrypt the all-zero string with the Blowfish algorithm, using the subkeys described in (1) and (2)<br>
|
|
* (4) Replace P1 and P2 with the output of step (3)<br>
|
|
* (5) Encrypt the output of step(3) using the Blowfish algorithm, with the modified subkeys.<br>
|
|
* (6) Replace P3 and P4 with the output of step (5)<br>
|
|
* (7) Continue the process, replacing all elements of the P-array and then all four S-boxes in order, with the output of the continuously changing Blowfish algorithm
|
|
*/
|
|
processTable(0, 0, P);
|
|
processTable(P[P_SZ - 2], P[P_SZ - 1], S0);
|
|
processTable(S0[SBOX_SK - 2], S0[SBOX_SK - 1], S1);
|
|
processTable(S1[SBOX_SK - 2], S1[SBOX_SK - 1], S2);
|
|
processTable(S2[SBOX_SK - 2], S2[SBOX_SK - 1], S3);
|
|
}
|
|
|
|
/**
|
|
* Method to encrypt the block at the given index.<br>
|
|
* The encrypted block goes directly to the source array at the given index.
|
|
* @param src source array with the plain data
|
|
* @param srcIndex index where the block to encrypt is located
|
|
* @throws IllegalStateException The cipher was not yet initialized
|
|
* @throws IOException The source array is too small to hold a block at the given index
|
|
*/
|
|
public void tryEncryptBlock(byte[] src, final int srcIndex) throws IOException
|
|
{
|
|
if (workingKey == null)
|
|
{
|
|
throw new IllegalStateException("Blowfish not initialized");
|
|
}
|
|
if ((srcIndex + BLOCK_SIZE) > src.length)
|
|
{
|
|
throw new IOException("input buffer too short");
|
|
}
|
|
encryptBlock(src, srcIndex);
|
|
}
|
|
|
|
/**
|
|
* Method to encrypt the block at the given index.<br>
|
|
* The encrypted block goes to the destination array at the given index.<br>
|
|
* <br>
|
|
* @param src source array with the plain data
|
|
* @param srcIndex index where the block to encrypt is located
|
|
* @param dst destination array the encryption will go to
|
|
* @param dstIndex index where the encrypted block is to be stored
|
|
* @throws IllegalStateException The cipher was not yet initialized
|
|
* @throws IOException The source or destination array is too small to hold a block at the given index
|
|
*/
|
|
public void tryEncryptBlock(final byte[] src, final int srcIndex, byte[] dst, final int dstIndex) throws IOException
|
|
{
|
|
if (workingKey == null)
|
|
{
|
|
throw new IllegalStateException("Blowfish not initialized");
|
|
}
|
|
if ((srcIndex + BLOCK_SIZE) > src.length)
|
|
{
|
|
throw new IOException("input buffer too short");
|
|
}
|
|
if ((dstIndex + BLOCK_SIZE) > dst.length)
|
|
{
|
|
throw new IOException("output buffer too short");
|
|
}
|
|
encryptBlock(src, srcIndex, dst, dstIndex);
|
|
}
|
|
|
|
/**
|
|
* Method to encrypt the block at the given index.<br>
|
|
* The encrypted block goes directly to the source array at the given<br>
|
|
* index.<br>
|
|
* <br>
|
|
* This method does not perform any error checking. This could be<br>
|
|
* usefull when code calling this method performs size checks already or<br>
|
|
* perfroming steps to ensure nothing can go wrong.<br>
|
|
* <br>
|
|
* If you want error checking use {@link #tryEncryptBlock(byte[], int)}.
|
|
* @param src source array with the plain data
|
|
* @param srcIndex index where the block to encrypt is located
|
|
*/
|
|
public void encryptBlock(byte[] src, final int srcIndex)
|
|
{
|
|
encryptBlock(src, srcIndex, src, srcIndex);
|
|
}
|
|
|
|
/**
|
|
* Method to encrypt the block at the given index.<br>
|
|
* The encrypted block goes to the destination array at the given index.<br>
|
|
* <br>
|
|
* This method does not perform any error checking. This could be<br>
|
|
* usefull when code calling this method performs size checks already or<br>
|
|
* perfroming steps to ensure nothing can go wrong.<br>
|
|
* <br>
|
|
* If you want error checking use {@link #tryEncryptBlock(byte[], int, byte[], int)}.
|
|
* @param src source array with the plain data
|
|
* @param srcIndex index where the block to encrypt is located
|
|
* @param dst destination array the encryption will go to
|
|
* @param dstIndex index where the encrypted block is to be stored
|
|
*/
|
|
public void encryptBlock(final byte[] src, final int srcIndex, byte[] dst, final int dstIndex)
|
|
{
|
|
int xl = bytesTo32bits(src, srcIndex);
|
|
int xr = bytesTo32bits(src, srcIndex + 4);
|
|
|
|
xl ^= P[0];
|
|
xr ^= func(xl) ^ P[1];
|
|
xl ^= func(xr) ^ P[2];
|
|
xr ^= func(xl) ^ P[3];
|
|
xl ^= func(xr) ^ P[4];
|
|
xr ^= func(xl) ^ P[5];
|
|
xl ^= func(xr) ^ P[6];
|
|
xr ^= func(xl) ^ P[7];
|
|
xl ^= func(xr) ^ P[8];
|
|
xr ^= func(xl) ^ P[9];
|
|
xl ^= func(xr) ^ P[10];
|
|
xr ^= func(xl) ^ P[11];
|
|
xl ^= func(xr) ^ P[12];
|
|
xr ^= func(xl) ^ P[13];
|
|
xl ^= func(xr) ^ P[14];
|
|
xr ^= func(xl) ^ P[15];
|
|
xl ^= func(xr) ^ P[16];
|
|
xr ^= P[17];
|
|
|
|
bits32ToBytes(xr, dst, dstIndex);
|
|
bits32ToBytes(xl, dst, dstIndex + 4);
|
|
}
|
|
|
|
/**
|
|
* Method to decrypt the block at the given index.<br>
|
|
* The decrypted block goes directly to the source array at the given<br>
|
|
* index.
|
|
* @param src source array with the encrypted data
|
|
* @param srcIndex index where the block to decrypt is located
|
|
* @throws IllegalStateException The cipher was not yet initialized
|
|
* @throws IOException The source array is too small to hold a block at the given index
|
|
*/
|
|
public void tryDecryptBlock(byte[] src, final int srcIndex) throws IOException
|
|
{
|
|
if (workingKey == null)
|
|
{
|
|
throw new IllegalStateException("Blowfish not initialized");
|
|
}
|
|
if ((srcIndex + BLOCK_SIZE) > src.length)
|
|
{
|
|
throw new IOException("input buffer too short");
|
|
}
|
|
decryptBlock(src, srcIndex);
|
|
}
|
|
|
|
/**
|
|
* Method to decrypt the block at the given index.<br>
|
|
* The decrypted block goes to the destination array at the given index.<br>
|
|
* @param src source array with the plain data
|
|
* @param srcIndex index where the block to decrypt is located
|
|
* @param dst destination array the decryption will go to
|
|
* @param dstIndex index where the decrypted block is to be stored
|
|
* @throws IllegalStateException The cipher was not yet initialized
|
|
* @throws IOException The source or destination array is too small to hold a block at the given index
|
|
*/
|
|
public void tryDecryptBlock(final byte[] src, final int srcIndex, byte[] dst, final int dstIndex) throws IOException
|
|
{
|
|
if (workingKey == null)
|
|
{
|
|
throw new IllegalStateException("Blowfish not initialized");
|
|
}
|
|
if ((srcIndex + BLOCK_SIZE) > src.length)
|
|
{
|
|
throw new IOException("input buffer too short");
|
|
}
|
|
if ((dstIndex + BLOCK_SIZE) > src.length)
|
|
{
|
|
throw new IOException("output buffer too short");
|
|
}
|
|
decryptBlock(src, srcIndex, dst, dstIndex);
|
|
}
|
|
|
|
/**
|
|
* Method to decrypt the block at the given index.<br>
|
|
* The decrypted block goes directly to the source array at the given<br>
|
|
* index.<br>
|
|
* <br>
|
|
* This method does not perform any error checking. This could be<br>
|
|
* usefull when code calling this method performs size checks already or<br>
|
|
* perfroming steps to ensure nothing can go wrong.<br>
|
|
* <br>
|
|
* If you want error checking use {@link #tryDecryptBlock(byte[], int)}.
|
|
* @param src source array with the encrypted data
|
|
* @param srcIndex index where the block to decrypt is located
|
|
*/
|
|
public void decryptBlock(byte[] src, final int srcIndex)
|
|
{
|
|
decryptBlock(src, srcIndex, src, srcIndex);
|
|
}
|
|
|
|
/**
|
|
* Method to decrypt the block at the given index.<br>
|
|
* The decrypted block goes to the destination array at the given index.<br>
|
|
* <br>
|
|
* This method does not perform any error checking. This could be<br>
|
|
* usefull when code calling this method performs size checks already or<br>
|
|
* perfroming steps to ensure nothing can go wrong.<br>
|
|
* <br>
|
|
* If you want error checking use {@link #tryDecryptBlock(byte[], int, byte[], int)}.
|
|
* @param src source array with the plain data
|
|
* @param srcIndex index where the block to decrypt is located
|
|
* @param dst destination array the decryption will go to
|
|
* @param dstIndex index where the decrypted block is to be stored
|
|
* @throws IllegalStateException The cipher was not yet initialized
|
|
*/
|
|
public void decryptBlock(final byte[] src, final int srcIndex, byte[] dst, final int dstIndex)
|
|
{
|
|
int xl = bytesTo32bits(src, srcIndex);
|
|
int xr = bytesTo32bits(src, srcIndex + 4);
|
|
|
|
xl ^= P[17];
|
|
xr ^= func(xl) ^ P[16];
|
|
xl ^= func(xr) ^ P[15];
|
|
xr ^= func(xl) ^ P[14];
|
|
xl ^= func(xr) ^ P[13];
|
|
xr ^= func(xl) ^ P[12];
|
|
xl ^= func(xr) ^ P[11];
|
|
xr ^= func(xl) ^ P[10];
|
|
xl ^= func(xr) ^ P[9];
|
|
xr ^= func(xl) ^ P[8];
|
|
xl ^= func(xr) ^ P[7];
|
|
xr ^= func(xl) ^ P[6];
|
|
xl ^= func(xr) ^ P[5];
|
|
xr ^= func(xl) ^ P[4];
|
|
xl ^= func(xr) ^ P[3];
|
|
xr ^= func(xl) ^ P[2];
|
|
xl ^= func(xr) ^ P[1];
|
|
xr ^= P[0];
|
|
|
|
bits32ToBytes(xr, dst, dstIndex);
|
|
bits32ToBytes(xl, dst, dstIndex + 4);
|
|
}
|
|
|
|
/**
|
|
* Method to construct an int from the source array.<br>
|
|
* 4 bytes are used from the given index.<br>
|
|
* <br>
|
|
* This method does not do any error checking.
|
|
* @param src source array with the bytes
|
|
* @param srcIndex the index to extract the int from
|
|
* @return the extracted integer
|
|
*/
|
|
private int bytesTo32bits(byte[] src, int srcIndex)
|
|
{
|
|
return ((src[srcIndex + 3] & 0xff) << 24) | ((src[srcIndex + 2] & 0xff) << 16) | ((src[srcIndex + 1] & 0xff) << 8) | ((src[srcIndex] & 0xff));
|
|
}
|
|
|
|
/**
|
|
* Method to decompose an int into a byte array.<br>
|
|
* <br>
|
|
* This method does not do any error checking.
|
|
* @param in the integer to decompose into bytes
|
|
* @param dst the destination array the decomposed int goes to
|
|
* @param dstIndex the index in the destination array the decomposed int will be stored at
|
|
*/
|
|
private void bits32ToBytes(int in, byte[] dst, int dstIndex)
|
|
{
|
|
dst[dstIndex] = (byte) in;
|
|
dst[dstIndex + 1] = (byte) (in >> 8);
|
|
dst[dstIndex + 2] = (byte) (in >> 16);
|
|
dst[dstIndex + 3] = (byte) (in >> 24);
|
|
}
|
|
}
|