Source Code Cross Referenced for BlowFish.java in  » Net » Ganymed-SSH-2 » ch » ethz » ssh2 » crypto » cipher » Java Source Code / Java DocumentationJava Source Code and Java Documentation

Java Source Code / Java Documentation
1. 6.0 JDK Core
2. 6.0 JDK Modules
3. 6.0 JDK Modules com.sun
4. 6.0 JDK Modules com.sun.java
5. 6.0 JDK Modules sun
6. 6.0 JDK Platform
7. Ajax
8. Apache Harmony Java SE
9. Aspect oriented
10. Authentication Authorization
11. Blogger System
12. Build
13. Byte Code
14. Cache
15. Chart
16. Chat
17. Code Analyzer
18. Collaboration
19. Content Management System
20. Database Client
21. Database DBMS
22. Database JDBC Connection Pool
23. Database ORM
24. Development
25. EJB Server geronimo
26. EJB Server GlassFish
27. EJB Server JBoss 4.2.1
28. EJB Server resin 3.1.5
29. ERP CRM Financial
30. ESB
31. Forum
32. GIS
33. Graphic Library
34. Groupware
35. HTML Parser
36. IDE
37. IDE Eclipse
38. IDE Netbeans
39. Installer
40. Internationalization Localization
41. Inversion of Control
42. Issue Tracking
43. J2EE
44. JBoss
45. JMS
46. JMX
47. Library
48. Mail Clients
49. Net
50. Parser
51. PDF
52. Portal
53. Profiler
54. Project Management
55. Report
56. RSS RDF
57. Rule Engine
58. Science
59. Scripting
60. Search Engine
61. Security
62. Sevlet Container
63. Source Control
64. Swing Library
65. Template Engine
66. Test Coverage
67. Testing
68. UML
69. Web Crawler
70. Web Framework
71. Web Mail
72. Web Server
73. Web Services
74. Web Services apache cxf 2.0.1
75. Web Services AXIS2
76. Wiki Engine
77. Workflow Engines
78. XML
79. XML UI
Java
Java Tutorial
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java Source Code / Java Documentation » Net » Ganymed SSH 2 » ch.ethz.ssh2.crypto.cipher 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        package ch.ethz.ssh2.crypto.cipher;
002:
003:        /*
004:         This file was shamelessly taken from the Bouncy Castle Crypto package.
005:         Their licence file states the following:
006:
007:         Copyright (c) 2000 - 2004 The Legion Of The Bouncy Castle
008:         (http://www.bouncycastle.org)
009:
010:         Permission is hereby granted, free of charge, to any person obtaining a copy
011:         of this software and associated documentation files (the "Software"), to deal
012:         in the Software without restriction, including without limitation the rights
013:         to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
014:         copies of the Software, and to permit persons to whom the Software is
015:         furnished to do so, subject to the following conditions:
016:
017:         The above copyright notice and this permission notice shall be included in
018:         all copies or substantial portions of the Software.
019:
020:         THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
021:         IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
022:         FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
023:         AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
024:         LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
025:         OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
026:         THE SOFTWARE. 
027:         */
028:
029:        /**
030:         * A class that provides Blowfish key encryption operations, such as encoding
031:         * data and generating keys. All the algorithms herein are from Applied
032:         * Cryptography and implement a simplified cryptography interface.
033:         * 
034:         * @author See comments in the source file
035:         * @version $Id: BlowFish.java,v 1.3 2005/12/05 17:13:27 cplattne Exp $
036:         */
037:        public class BlowFish implements  BlockCipher {
038:
039:            private final static int[] KP = { 0x243F6A88, 0x85A308D3,
040:                    0x13198A2E, 0x03707344, 0xA4093822, 0x299F31D0, 0x082EFA98,
041:                    0xEC4E6C89, 0x452821E6, 0x38D01377, 0xBE5466CF, 0x34E90C6C,
042:                    0xC0AC29B7, 0xC97C50DD, 0x3F84D5B5, 0xB5470917, 0x9216D5D9,
043:                    0x8979FB1B },
044:
045:            KS0 = { 0xD1310BA6, 0x98DFB5AC, 0x2FFD72DB, 0xD01ADFB7, 0xB8E1AFED,
046:                    0x6A267E96, 0xBA7C9045, 0xF12C7F99, 0x24A19947, 0xB3916CF7,
047:                    0x0801F2E2, 0x858EFC16, 0x636920D8, 0x71574E69, 0xA458FEA3,
048:                    0xF4933D7E, 0x0D95748F, 0x728EB658, 0x718BCD58, 0x82154AEE,
049:                    0x7B54A41D, 0xC25A59B5, 0x9C30D539, 0x2AF26013, 0xC5D1B023,
050:                    0x286085F0, 0xCA417918, 0xB8DB38EF, 0x8E79DCB0, 0x603A180E,
051:                    0x6C9E0E8B, 0xB01E8A3E, 0xD71577C1, 0xBD314B27, 0x78AF2FDA,
052:                    0x55605C60, 0xE65525F3, 0xAA55AB94, 0x57489862, 0x63E81440,
053:                    0x55CA396A, 0x2AAB10B6, 0xB4CC5C34, 0x1141E8CE, 0xA15486AF,
054:                    0x7C72E993, 0xB3EE1411, 0x636FBC2A, 0x2BA9C55D, 0x741831F6,
055:                    0xCE5C3E16, 0x9B87931E, 0xAFD6BA33, 0x6C24CF5C, 0x7A325381,
056:                    0x28958677, 0x3B8F4898, 0x6B4BB9AF, 0xC4BFE81B, 0x66282193,
057:                    0x61D809CC, 0xFB21A991, 0x487CAC60, 0x5DEC8032, 0xEF845D5D,
058:                    0xE98575B1, 0xDC262302, 0xEB651B88, 0x23893E81, 0xD396ACC5,
059:                    0x0F6D6FF3, 0x83F44239, 0x2E0B4482, 0xA4842004, 0x69C8F04A,
060:                    0x9E1F9B5E, 0x21C66842, 0xF6E96C9A, 0x670C9C61, 0xABD388F0,
061:                    0x6A51A0D2, 0xD8542F68, 0x960FA728, 0xAB5133A3, 0x6EEF0B6C,
062:                    0x137A3BE4, 0xBA3BF050, 0x7EFB2A98, 0xA1F1651D, 0x39AF0176,
063:                    0x66CA593E, 0x82430E88, 0x8CEE8619, 0x456F9FB4, 0x7D84A5C3,
064:                    0x3B8B5EBE, 0xE06F75D8, 0x85C12073, 0x401A449F, 0x56C16AA6,
065:                    0x4ED3AA62, 0x363F7706, 0x1BFEDF72, 0x429B023D, 0x37D0D724,
066:                    0xD00A1248, 0xDB0FEAD3, 0x49F1C09B, 0x075372C9, 0x80991B7B,
067:                    0x25D479D8, 0xF6E8DEF7, 0xE3FE501A, 0xB6794C3B, 0x976CE0BD,
068:                    0x04C006BA, 0xC1A94FB6, 0x409F60C4, 0x5E5C9EC2, 0x196A2463,
069:                    0x68FB6FAF, 0x3E6C53B5, 0x1339B2EB, 0x3B52EC6F, 0x6DFC511F,
070:                    0x9B30952C, 0xCC814544, 0xAF5EBD09, 0xBEE3D004, 0xDE334AFD,
071:                    0x660F2807, 0x192E4BB3, 0xC0CBA857, 0x45C8740F, 0xD20B5F39,
072:                    0xB9D3FBDB, 0x5579C0BD, 0x1A60320A, 0xD6A100C6, 0x402C7279,
073:                    0x679F25FE, 0xFB1FA3CC, 0x8EA5E9F8, 0xDB3222F8, 0x3C7516DF,
074:                    0xFD616B15, 0x2F501EC8, 0xAD0552AB, 0x323DB5FA, 0xFD238760,
075:                    0x53317B48, 0x3E00DF82, 0x9E5C57BB, 0xCA6F8CA0, 0x1A87562E,
076:                    0xDF1769DB, 0xD542A8F6, 0x287EFFC3, 0xAC6732C6, 0x8C4F5573,
077:                    0x695B27B0, 0xBBCA58C8, 0xE1FFA35D, 0xB8F011A0, 0x10FA3D98,
078:                    0xFD2183B8, 0x4AFCB56C, 0x2DD1D35B, 0x9A53E479, 0xB6F84565,
079:                    0xD28E49BC, 0x4BFB9790, 0xE1DDF2DA, 0xA4CB7E33, 0x62FB1341,
080:                    0xCEE4C6E8, 0xEF20CADA, 0x36774C01, 0xD07E9EFE, 0x2BF11FB4,
081:                    0x95DBDA4D, 0xAE909198, 0xEAAD8E71, 0x6B93D5A0, 0xD08ED1D0,
082:                    0xAFC725E0, 0x8E3C5B2F, 0x8E7594B7, 0x8FF6E2FB, 0xF2122B64,
083:                    0x8888B812, 0x900DF01C, 0x4FAD5EA0, 0x688FC31C, 0xD1CFF191,
084:                    0xB3A8C1AD, 0x2F2F2218, 0xBE0E1777, 0xEA752DFE, 0x8B021FA1,
085:                    0xE5A0CC0F, 0xB56F74E8, 0x18ACF3D6, 0xCE89E299, 0xB4A84FE0,
086:                    0xFD13E0B7, 0x7CC43B81, 0xD2ADA8D9, 0x165FA266, 0x80957705,
087:                    0x93CC7314, 0x211A1477, 0xE6AD2065, 0x77B5FA86, 0xC75442F5,
088:                    0xFB9D35CF, 0xEBCDAF0C, 0x7B3E89A0, 0xD6411BD3, 0xAE1E7E49,
089:                    0x00250E2D, 0x2071B35E, 0x226800BB, 0x57B8E0AF, 0x2464369B,
090:                    0xF009B91E, 0x5563911D, 0x59DFA6AA, 0x78C14389, 0xD95A537F,
091:                    0x207D5BA2, 0x02E5B9C5, 0x83260376, 0x6295CFA9, 0x11C81968,
092:                    0x4E734A41, 0xB3472DCA, 0x7B14A94A, 0x1B510052, 0x9A532915,
093:                    0xD60F573F, 0xBC9BC6E4, 0x2B60A476, 0x81E67400, 0x08BA6FB5,
094:                    0x571BE91F, 0xF296EC6B, 0x2A0DD915, 0xB6636521, 0xE7B9F9B6,
095:                    0xFF34052E, 0xC5855664, 0x53B02D5D, 0xA99F8FA1, 0x08BA4799,
096:                    0x6E85076A },
097:
098:            KS1 = { 0x4B7A70E9, 0xB5B32944, 0xDB75092E, 0xC4192623, 0xAD6EA6B0,
099:                    0x49A7DF7D, 0x9CEE60B8, 0x8FEDB266, 0xECAA8C71, 0x699A17FF,
100:                    0x5664526C, 0xC2B19EE1, 0x193602A5, 0x75094C29, 0xA0591340,
101:                    0xE4183A3E, 0x3F54989A, 0x5B429D65, 0x6B8FE4D6, 0x99F73FD6,
102:                    0xA1D29C07, 0xEFE830F5, 0x4D2D38E6, 0xF0255DC1, 0x4CDD2086,
103:                    0x8470EB26, 0x6382E9C6, 0x021ECC5E, 0x09686B3F, 0x3EBAEFC9,
104:                    0x3C971814, 0x6B6A70A1, 0x687F3584, 0x52A0E286, 0xB79C5305,
105:                    0xAA500737, 0x3E07841C, 0x7FDEAE5C, 0x8E7D44EC, 0x5716F2B8,
106:                    0xB03ADA37, 0xF0500C0D, 0xF01C1F04, 0x0200B3FF, 0xAE0CF51A,
107:                    0x3CB574B2, 0x25837A58, 0xDC0921BD, 0xD19113F9, 0x7CA92FF6,
108:                    0x94324773, 0x22F54701, 0x3AE5E581, 0x37C2DADC, 0xC8B57634,
109:                    0x9AF3DDA7, 0xA9446146, 0x0FD0030E, 0xECC8C73E, 0xA4751E41,
110:                    0xE238CD99, 0x3BEA0E2F, 0x3280BBA1, 0x183EB331, 0x4E548B38,
111:                    0x4F6DB908, 0x6F420D03, 0xF60A04BF, 0x2CB81290, 0x24977C79,
112:                    0x5679B072, 0xBCAF89AF, 0xDE9A771F, 0xD9930810, 0xB38BAE12,
113:                    0xDCCF3F2E, 0x5512721F, 0x2E6B7124, 0x501ADDE6, 0x9F84CD87,
114:                    0x7A584718, 0x7408DA17, 0xBC9F9ABC, 0xE94B7D8C, 0xEC7AEC3A,
115:                    0xDB851DFA, 0x63094366, 0xC464C3D2, 0xEF1C1847, 0x3215D908,
116:                    0xDD433B37, 0x24C2BA16, 0x12A14D43, 0x2A65C451, 0x50940002,
117:                    0x133AE4DD, 0x71DFF89E, 0x10314E55, 0x81AC77D6, 0x5F11199B,
118:                    0x043556F1, 0xD7A3C76B, 0x3C11183B, 0x5924A509, 0xF28FE6ED,
119:                    0x97F1FBFA, 0x9EBABF2C, 0x1E153C6E, 0x86E34570, 0xEAE96FB1,
120:                    0x860E5E0A, 0x5A3E2AB3, 0x771FE71C, 0x4E3D06FA, 0x2965DCB9,
121:                    0x99E71D0F, 0x803E89D6, 0x5266C825, 0x2E4CC978, 0x9C10B36A,
122:                    0xC6150EBA, 0x94E2EA78, 0xA5FC3C53, 0x1E0A2DF4, 0xF2F74EA7,
123:                    0x361D2B3D, 0x1939260F, 0x19C27960, 0x5223A708, 0xF71312B6,
124:                    0xEBADFE6E, 0xEAC31F66, 0xE3BC4595, 0xA67BC883, 0xB17F37D1,
125:                    0x018CFF28, 0xC332DDEF, 0xBE6C5AA5, 0x65582185, 0x68AB9802,
126:                    0xEECEA50F, 0xDB2F953B, 0x2AEF7DAD, 0x5B6E2F84, 0x1521B628,
127:                    0x29076170, 0xECDD4775, 0x619F1510, 0x13CCA830, 0xEB61BD96,
128:                    0x0334FE1E, 0xAA0363CF, 0xB5735C90, 0x4C70A239, 0xD59E9E0B,
129:                    0xCBAADE14, 0xEECC86BC, 0x60622CA7, 0x9CAB5CAB, 0xB2F3846E,
130:                    0x648B1EAF, 0x19BDF0CA, 0xA02369B9, 0x655ABB50, 0x40685A32,
131:                    0x3C2AB4B3, 0x319EE9D5, 0xC021B8F7, 0x9B540B19, 0x875FA099,
132:                    0x95F7997E, 0x623D7DA8, 0xF837889A, 0x97E32D77, 0x11ED935F,
133:                    0x16681281, 0x0E358829, 0xC7E61FD6, 0x96DEDFA1, 0x7858BA99,
134:                    0x57F584A5, 0x1B227263, 0x9B83C3FF, 0x1AC24696, 0xCDB30AEB,
135:                    0x532E3054, 0x8FD948E4, 0x6DBC3128, 0x58EBF2EF, 0x34C6FFEA,
136:                    0xFE28ED61, 0xEE7C3C73, 0x5D4A14D9, 0xE864B7E3, 0x42105D14,
137:                    0x203E13E0, 0x45EEE2B6, 0xA3AAABEA, 0xDB6C4F15, 0xFACB4FD0,
138:                    0xC742F442, 0xEF6ABBB5, 0x654F3B1D, 0x41CD2105, 0xD81E799E,
139:                    0x86854DC7, 0xE44B476A, 0x3D816250, 0xCF62A1F2, 0x5B8D2646,
140:                    0xFC8883A0, 0xC1C7B6A3, 0x7F1524C3, 0x69CB7492, 0x47848A0B,
141:                    0x5692B285, 0x095BBF00, 0xAD19489D, 0x1462B174, 0x23820E00,
142:                    0x58428D2A, 0x0C55F5EA, 0x1DADF43E, 0x233F7061, 0x3372F092,
143:                    0x8D937E41, 0xD65FECF1, 0x6C223BDB, 0x7CDE3759, 0xCBEE7460,
144:                    0x4085F2A7, 0xCE77326E, 0xA6078084, 0x19F8509E, 0xE8EFD855,
145:                    0x61D99735, 0xA969A7AA, 0xC50C06C2, 0x5A04ABFC, 0x800BCADC,
146:                    0x9E447A2E, 0xC3453484, 0xFDD56705, 0x0E1E9EC9, 0xDB73DBD3,
147:                    0x105588CD, 0x675FDA79, 0xE3674340, 0xC5C43465, 0x713E38D8,
148:                    0x3D28F89E, 0xF16DFF20, 0x153E21E7, 0x8FB03D4A, 0xE6E39F2B,
149:                    0xDB83ADF7 },
150:
151:            KS2 = { 0xE93D5A68, 0x948140F7, 0xF64C261C, 0x94692934, 0x411520F7,
152:                    0x7602D4F7, 0xBCF46B2E, 0xD4A20068, 0xD4082471, 0x3320F46A,
153:                    0x43B7D4B7, 0x500061AF, 0x1E39F62E, 0x97244546, 0x14214F74,
154:                    0xBF8B8840, 0x4D95FC1D, 0x96B591AF, 0x70F4DDD3, 0x66A02F45,
155:                    0xBFBC09EC, 0x03BD9785, 0x7FAC6DD0, 0x31CB8504, 0x96EB27B3,
156:                    0x55FD3941, 0xDA2547E6, 0xABCA0A9A, 0x28507825, 0x530429F4,
157:                    0x0A2C86DA, 0xE9B66DFB, 0x68DC1462, 0xD7486900, 0x680EC0A4,
158:                    0x27A18DEE, 0x4F3FFEA2, 0xE887AD8C, 0xB58CE006, 0x7AF4D6B6,
159:                    0xAACE1E7C, 0xD3375FEC, 0xCE78A399, 0x406B2A42, 0x20FE9E35,
160:                    0xD9F385B9, 0xEE39D7AB, 0x3B124E8B, 0x1DC9FAF7, 0x4B6D1856,
161:                    0x26A36631, 0xEAE397B2, 0x3A6EFA74, 0xDD5B4332, 0x6841E7F7,
162:                    0xCA7820FB, 0xFB0AF54E, 0xD8FEB397, 0x454056AC, 0xBA489527,
163:                    0x55533A3A, 0x20838D87, 0xFE6BA9B7, 0xD096954B, 0x55A867BC,
164:                    0xA1159A58, 0xCCA92963, 0x99E1DB33, 0xA62A4A56, 0x3F3125F9,
165:                    0x5EF47E1C, 0x9029317C, 0xFDF8E802, 0x04272F70, 0x80BB155C,
166:                    0x05282CE3, 0x95C11548, 0xE4C66D22, 0x48C1133F, 0xC70F86DC,
167:                    0x07F9C9EE, 0x41041F0F, 0x404779A4, 0x5D886E17, 0x325F51EB,
168:                    0xD59BC0D1, 0xF2BCC18F, 0x41113564, 0x257B7834, 0x602A9C60,
169:                    0xDFF8E8A3, 0x1F636C1B, 0x0E12B4C2, 0x02E1329E, 0xAF664FD1,
170:                    0xCAD18115, 0x6B2395E0, 0x333E92E1, 0x3B240B62, 0xEEBEB922,
171:                    0x85B2A20E, 0xE6BA0D99, 0xDE720C8C, 0x2DA2F728, 0xD0127845,
172:                    0x95B794FD, 0x647D0862, 0xE7CCF5F0, 0x5449A36F, 0x877D48FA,
173:                    0xC39DFD27, 0xF33E8D1E, 0x0A476341, 0x992EFF74, 0x3A6F6EAB,
174:                    0xF4F8FD37, 0xA812DC60, 0xA1EBDDF8, 0x991BE14C, 0xDB6E6B0D,
175:                    0xC67B5510, 0x6D672C37, 0x2765D43B, 0xDCD0E804, 0xF1290DC7,
176:                    0xCC00FFA3, 0xB5390F92, 0x690FED0B, 0x667B9FFB, 0xCEDB7D9C,
177:                    0xA091CF0B, 0xD9155EA3, 0xBB132F88, 0x515BAD24, 0x7B9479BF,
178:                    0x763BD6EB, 0x37392EB3, 0xCC115979, 0x8026E297, 0xF42E312D,
179:                    0x6842ADA7, 0xC66A2B3B, 0x12754CCC, 0x782EF11C, 0x6A124237,
180:                    0xB79251E7, 0x06A1BBE6, 0x4BFB6350, 0x1A6B1018, 0x11CAEDFA,
181:                    0x3D25BDD8, 0xE2E1C3C9, 0x44421659, 0x0A121386, 0xD90CEC6E,
182:                    0xD5ABEA2A, 0x64AF674E, 0xDA86A85F, 0xBEBFE988, 0x64E4C3FE,
183:                    0x9DBC8057, 0xF0F7C086, 0x60787BF8, 0x6003604D, 0xD1FD8346,
184:                    0xF6381FB0, 0x7745AE04, 0xD736FCCC, 0x83426B33, 0xF01EAB71,
185:                    0xB0804187, 0x3C005E5F, 0x77A057BE, 0xBDE8AE24, 0x55464299,
186:                    0xBF582E61, 0x4E58F48F, 0xF2DDFDA2, 0xF474EF38, 0x8789BDC2,
187:                    0x5366F9C3, 0xC8B38E74, 0xB475F255, 0x46FCD9B9, 0x7AEB2661,
188:                    0x8B1DDF84, 0x846A0E79, 0x915F95E2, 0x466E598E, 0x20B45770,
189:                    0x8CD55591, 0xC902DE4C, 0xB90BACE1, 0xBB8205D0, 0x11A86248,
190:                    0x7574A99E, 0xB77F19B6, 0xE0A9DC09, 0x662D09A1, 0xC4324633,
191:                    0xE85A1F02, 0x09F0BE8C, 0x4A99A025, 0x1D6EFE10, 0x1AB93D1D,
192:                    0x0BA5A4DF, 0xA186F20F, 0x2868F169, 0xDCB7DA83, 0x573906FE,
193:                    0xA1E2CE9B, 0x4FCD7F52, 0x50115E01, 0xA70683FA, 0xA002B5C4,
194:                    0x0DE6D027, 0x9AF88C27, 0x773F8641, 0xC3604C06, 0x61A806B5,
195:                    0xF0177A28, 0xC0F586E0, 0x006058AA, 0x30DC7D62, 0x11E69ED7,
196:                    0x2338EA63, 0x53C2DD94, 0xC2C21634, 0xBBCBEE56, 0x90BCB6DE,
197:                    0xEBFC7DA1, 0xCE591D76, 0x6F05E409, 0x4B7C0188, 0x39720A3D,
198:                    0x7C927C24, 0x86E3725F, 0x724D9DB9, 0x1AC15BB4, 0xD39EB8FC,
199:                    0xED545578, 0x08FCA5B5, 0xD83D7CD3, 0x4DAD0FC4, 0x1E50EF5E,
200:                    0xB161E6F8, 0xA28514D9, 0x6C51133C, 0x6FD5C7E7, 0x56E14EC4,
201:                    0x362ABFCE, 0xDDC6C837, 0xD79A3234, 0x92638212, 0x670EFA8E,
202:                    0x406000E0 },
203:
204:            KS3 = { 0x3A39CE37, 0xD3FAF5CF, 0xABC27737, 0x5AC52D1B, 0x5CB0679E,
205:                    0x4FA33742, 0xD3822740, 0x99BC9BBE, 0xD5118E9D, 0xBF0F7315,
206:                    0xD62D1C7E, 0xC700C47B, 0xB78C1B6B, 0x21A19045, 0xB26EB1BE,
207:                    0x6A366EB4, 0x5748AB2F, 0xBC946E79, 0xC6A376D2, 0x6549C2C8,
208:                    0x530FF8EE, 0x468DDE7D, 0xD5730A1D, 0x4CD04DC6, 0x2939BBDB,
209:                    0xA9BA4650, 0xAC9526E8, 0xBE5EE304, 0xA1FAD5F0, 0x6A2D519A,
210:                    0x63EF8CE2, 0x9A86EE22, 0xC089C2B8, 0x43242EF6, 0xA51E03AA,
211:                    0x9CF2D0A4, 0x83C061BA, 0x9BE96A4D, 0x8FE51550, 0xBA645BD6,
212:                    0x2826A2F9, 0xA73A3AE1, 0x4BA99586, 0xEF5562E9, 0xC72FEFD3,
213:                    0xF752F7DA, 0x3F046F69, 0x77FA0A59, 0x80E4A915, 0x87B08601,
214:                    0x9B09E6AD, 0x3B3EE593, 0xE990FD5A, 0x9E34D797, 0x2CF0B7D9,
215:                    0x022B8B51, 0x96D5AC3A, 0x017DA67D, 0xD1CF3ED6, 0x7C7D2D28,
216:                    0x1F9F25CF, 0xADF2B89B, 0x5AD6B472, 0x5A88F54C, 0xE029AC71,
217:                    0xE019A5E6, 0x47B0ACFD, 0xED93FA9B, 0xE8D3C48D, 0x283B57CC,
218:                    0xF8D56629, 0x79132E28, 0x785F0191, 0xED756055, 0xF7960E44,
219:                    0xE3D35E8C, 0x15056DD4, 0x88F46DBA, 0x03A16125, 0x0564F0BD,
220:                    0xC3EB9E15, 0x3C9057A2, 0x97271AEC, 0xA93A072A, 0x1B3F6D9B,
221:                    0x1E6321F5, 0xF59C66FB, 0x26DCF319, 0x7533D928, 0xB155FDF5,
222:                    0x03563482, 0x8ABA3CBB, 0x28517711, 0xC20AD9F8, 0xABCC5167,
223:                    0xCCAD925F, 0x4DE81751, 0x3830DC8E, 0x379D5862, 0x9320F991,
224:                    0xEA7A90C2, 0xFB3E7BCE, 0x5121CE64, 0x774FBE32, 0xA8B6E37E,
225:                    0xC3293D46, 0x48DE5369, 0x6413E680, 0xA2AE0810, 0xDD6DB224,
226:                    0x69852DFD, 0x09072166, 0xB39A460A, 0x6445C0DD, 0x586CDECF,
227:                    0x1C20C8AE, 0x5BBEF7DD, 0x1B588D40, 0xCCD2017F, 0x6BB4E3BB,
228:                    0xDDA26A7E, 0x3A59FF45, 0x3E350A44, 0xBCB4CDD5, 0x72EACEA8,
229:                    0xFA6484BB, 0x8D6612AE, 0xBF3C6F47, 0xD29BE463, 0x542F5D9E,
230:                    0xAEC2771B, 0xF64E6370, 0x740E0D8D, 0xE75B1357, 0xF8721671,
231:                    0xAF537D5D, 0x4040CB08, 0x4EB4E2CC, 0x34D2466A, 0x0115AF84,
232:                    0xE1B00428, 0x95983A1D, 0x06B89FB4, 0xCE6EA048, 0x6F3F3B82,
233:                    0x3520AB82, 0x011A1D4B, 0x277227F8, 0x611560B1, 0xE7933FDC,
234:                    0xBB3A792B, 0x344525BD, 0xA08839E1, 0x51CE794B, 0x2F32C9B7,
235:                    0xA01FBAC9, 0xE01CC87E, 0xBCC7D1F6, 0xCF0111C3, 0xA1E8AAC7,
236:                    0x1A908749, 0xD44FBD9A, 0xD0DADECB, 0xD50ADA38, 0x0339C32A,
237:                    0xC6913667, 0x8DF9317C, 0xE0B12B4F, 0xF79E59B7, 0x43F5BB3A,
238:                    0xF2D519FF, 0x27D9459C, 0xBF97222C, 0x15E6FC2A, 0x0F91FC71,
239:                    0x9B941525, 0xFAE59361, 0xCEB69CEB, 0xC2A86459, 0x12BAA8D1,
240:                    0xB6C1075E, 0xE3056A0C, 0x10D25065, 0xCB03A442, 0xE0EC6E0E,
241:                    0x1698DB3B, 0x4C98A0BE, 0x3278E964, 0x9F1F9532, 0xE0D392DF,
242:                    0xD3A0342B, 0x8971F21E, 0x1B0A7441, 0x4BA3348C, 0xC5BE7120,
243:                    0xC37632D8, 0xDF359F8D, 0x9B992F2E, 0xE60B6F47, 0x0FE3F11D,
244:                    0xE54CDA54, 0x1EDAD891, 0xCE6279CF, 0xCD3E7E6F, 0x1618B166,
245:                    0xFD2C1D05, 0x848FD2C5, 0xF6FB2299, 0xF523F357, 0xA6327623,
246:                    0x93A83531, 0x56CCCD02, 0xACF08162, 0x5A75EBB5, 0x6E163697,
247:                    0x88D273CC, 0xDE966292, 0x81B949D0, 0x4C50901B, 0x71C65614,
248:                    0xE6C6C7BD, 0x327A140A, 0x45E1D006, 0xC3F27B9A, 0xC9AA53FD,
249:                    0x62A80F00, 0xBB25BFE2, 0x35BDD2F6, 0x71126905, 0xB2040222,
250:                    0xB6CBCF7C, 0xCD769C2B, 0x53113EC0, 0x1640E3D3, 0x38ABBD60,
251:                    0x2547ADF0, 0xBA38209C, 0xF746CE76, 0x77AFA1C5, 0x20756060,
252:                    0x85CBFE4E, 0x8AE88DD8, 0x7AAAF9B0, 0x4CF9AA7E, 0x1948C25C,
253:                    0x02FB8A8C, 0x01C36AE4, 0xD6EBE1F9, 0x90D4F869, 0xA65CDEA0,
254:                    0x3F09252D, 0xC208E69F, 0xB74E6132, 0xCE77E25B, 0x578FDFE3,
255:                    0x3AC372E6 };
256:
257:            // ====================================
258:            // Useful constants
259:            // ====================================
260:
261:            private static final int ROUNDS = 16;
262:            private static final int BLOCK_SIZE = 8; // bytes = 64 bits
263:            private static final int SBOX_SK = 256;
264:            private static final int P_SZ = ROUNDS + 2;
265:
266:            private final int[] S0, S1, S2, S3; // the s-boxes
267:            private final int[] P; // the p-array
268:
269:            private boolean doEncrypt = false;
270:
271:            private byte[] workingKey = null;
272:
273:            public BlowFish() {
274:                S0 = new int[SBOX_SK];
275:                S1 = new int[SBOX_SK];
276:                S2 = new int[SBOX_SK];
277:                S3 = new int[SBOX_SK];
278:                P = new int[P_SZ];
279:            }
280:
281:            /**
282:             * initialise a Blowfish cipher.
283:             * 
284:             * @param encrypting
285:             *            whether or not we are for encryption.
286:             * @param key
287:             *            the key required to set up the cipher.
288:             * @exception IllegalArgumentException
289:             *                if the params argument is inappropriate.
290:             */
291:            public void init(boolean encrypting, byte[] key) {
292:                this .doEncrypt = encrypting;
293:                this .workingKey = key;
294:                setKey(this .workingKey);
295:            }
296:
297:            public String getAlgorithmName() {
298:                return "Blowfish";
299:            }
300:
301:            public final void transformBlock(byte[] in, int inOff, byte[] out,
302:                    int outOff) {
303:                if (workingKey == null) {
304:                    throw new IllegalStateException("Blowfish not initialised");
305:                }
306:
307:                if (doEncrypt) {
308:                    encryptBlock(in, inOff, out, outOff);
309:                } else {
310:                    decryptBlock(in, inOff, out, outOff);
311:                }
312:            }
313:
314:            public void reset() {
315:            }
316:
317:            public int getBlockSize() {
318:                return BLOCK_SIZE;
319:            }
320:
321:            // ==================================
322:            // Private Implementation
323:            // ==================================
324:
325:            private int F(int x) {
326:                return (((S0[(x >>> 24)] + S1[(x >>> 16) & 0xff]) ^ S2[(x >>> 8) & 0xff]) + S3[x & 0xff]);
327:            }
328:
329:            /**
330:             * apply the encryption cycle to each value pair in the table.
331:             */
332:            private void processTable(int xl, int xr, int[] table) {
333:                int size = table.length;
334:
335:                for (int s = 0; s < size; s += 2) {
336:                    xl ^= P[0];
337:
338:                    for (int i = 1; i < ROUNDS; i += 2) {
339:                        xr ^= F(xl) ^ P[i];
340:                        xl ^= F(xr) ^ P[i + 1];
341:                    }
342:
343:                    xr ^= P[ROUNDS + 1];
344:
345:                    table[s] = xr;
346:                    table[s + 1] = xl;
347:
348:                    xr = xl; // end of cycle swap
349:                    xl = table[s];
350:                }
351:            }
352:
353:            private void setKey(byte[] key) {
354:                /*
355:                 * - comments are from _Applied Crypto_, Schneier, p338 please be
356:                 * careful comparing the two, AC numbers the arrays from 1, the enclosed
357:                 * code from 0.
358:                 * 
359:                 * (1) Initialise the S-boxes and the P-array, with a fixed string This
360:                 * string contains the hexadecimal digits of pi (3.141...)
361:                 */
362:                System.arraycopy(KS0, 0, S0, 0, SBOX_SK);
363:                System.arraycopy(KS1, 0, S1, 0, SBOX_SK);
364:                System.arraycopy(KS2, 0, S2, 0, SBOX_SK);
365:                System.arraycopy(KS3, 0, S3, 0, SBOX_SK);
366:
367:                System.arraycopy(KP, 0, P, 0, P_SZ);
368:
369:                /*
370:                 * (2) Now, XOR P[0] with the first 32 bits of the key, XOR P[1] with
371:                 * the second 32-bits of the key, and so on for all bits of the key (up
372:                 * to P[17]). Repeatedly cycle through the key bits until the entire
373:                 * P-array has been XOR-ed with the key bits
374:                 */
375:                int keyLength = key.length;
376:                int keyIndex = 0;
377:
378:                for (int i = 0; i < P_SZ; i++) {
379:                    // get the 32 bits of the key, in 4 * 8 bit chunks
380:                    int data = 0x0000000;
381:                    for (int j = 0; j < 4; j++) {
382:                        // create a 32 bit block
383:                        data = (data << 8) | (key[keyIndex++] & 0xff);
384:
385:                        // wrap when we get to the end of the key
386:                        if (keyIndex >= keyLength) {
387:                            keyIndex = 0;
388:                        }
389:                    }
390:                    // XOR the newly created 32 bit chunk onto the P-array
391:                    P[i] ^= data;
392:                }
393:
394:                /*
395:                 * (3) Encrypt the all-zero string with the Blowfish algorithm, using
396:                 * the subkeys described in (1) and (2)
397:                 * 
398:                 * (4) Replace P1 and P2 with the output of step (3)
399:                 * 
400:                 * (5) Encrypt the output of step(3) using the Blowfish algorithm, with
401:                 * the modified subkeys.
402:                 * 
403:                 * (6) Replace P3 and P4 with the output of step (5)
404:                 * 
405:                 * (7) Continue the process, replacing all elements of the P-array and
406:                 * then all four S-boxes in order, with the output of the continuously
407:                 * changing Blowfish algorithm
408:                 */
409:
410:                processTable(0, 0, P);
411:                processTable(P[P_SZ - 2], P[P_SZ - 1], S0);
412:                processTable(S0[SBOX_SK - 2], S0[SBOX_SK - 1], S1);
413:                processTable(S1[SBOX_SK - 2], S1[SBOX_SK - 1], S2);
414:                processTable(S2[SBOX_SK - 2], S2[SBOX_SK - 1], S3);
415:            }
416:
417:            /**
418:             * Encrypt the given input starting at the given offset and place the result
419:             * in the provided buffer starting at the given offset. The input will be an
420:             * exact multiple of our blocksize.
421:             */
422:            private void encryptBlock(byte[] src, int srcIndex, byte[] dst,
423:                    int dstIndex) {
424:                int xl = BytesTo32bits(src, srcIndex);
425:                int xr = BytesTo32bits(src, srcIndex + 4);
426:
427:                xl ^= P[0];
428:
429:                for (int i = 1; i < ROUNDS; i += 2) {
430:                    xr ^= F(xl) ^ P[i];
431:                    xl ^= F(xr) ^ P[i + 1];
432:                }
433:
434:                xr ^= P[ROUNDS + 1];
435:
436:                Bits32ToBytes(xr, dst, dstIndex);
437:                Bits32ToBytes(xl, dst, dstIndex + 4);
438:            }
439:
440:            /**
441:             * Decrypt the given input starting at the given offset and place the result
442:             * in the provided buffer starting at the given offset. The input will be an
443:             * exact multiple of our blocksize.
444:             */
445:            private void decryptBlock(byte[] src, int srcIndex, byte[] dst,
446:                    int dstIndex) {
447:                int xl = BytesTo32bits(src, srcIndex);
448:                int xr = BytesTo32bits(src, srcIndex + 4);
449:
450:                xl ^= P[ROUNDS + 1];
451:
452:                for (int i = ROUNDS; i > 0; i -= 2) {
453:                    xr ^= F(xl) ^ P[i];
454:                    xl ^= F(xr) ^ P[i - 1];
455:                }
456:
457:                xr ^= P[0];
458:
459:                Bits32ToBytes(xr, dst, dstIndex);
460:                Bits32ToBytes(xl, dst, dstIndex + 4);
461:            }
462:
463:            private int BytesTo32bits(byte[] b, int i) {
464:                return ((b[i] & 0xff) << 24) | ((b[i + 1] & 0xff) << 16)
465:                        | ((b[i + 2] & 0xff) << 8) | ((b[i + 3] & 0xff));
466:            }
467:
468:            private void Bits32ToBytes(int in, byte[] b, int offset) {
469:                b[offset + 3] = (byte) in;
470:                b[offset + 2] = (byte) (in >> 8);
471:                b[offset + 1] = (byte) (in >> 16);
472:                b[offset] = (byte) (in >> 24);
473:            }
474:
475:        }
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.