00001 /* 00002 Copyright (C) 1999, 2002 Aladdin Enterprises. All rights reserved. 00003 00004 This software is provided 'as-is', without any express or implied 00005 warranty. In no event will the authors be held liable for any damages 00006 arising from the use of this software. 00007 00008 Permission is granted to anyone to use this software for any purpose, 00009 including commercial applications, and to alter it and redistribute it 00010 freely, subject to the following restrictions: 00011 00012 1. The origin of this software must not be misrepresented; you must not 00013 claim that you wrote the original software. If you use this software 00014 in a product, an acknowledgment in the product documentation would be 00015 appreciated but is not required. 00016 2. Altered source versions must be plainly marked as such, and must not be 00017 misrepresented as being the original software. 00018 3. This notice may not be removed or altered from any source distribution. 00019 00020 L. Peter Deutsch 00021 ghost@aladdin.com 00022 00023 */ 00024 /* $Id: md5.h,v 1.4 2002/04/13 19:20:28 lpd Exp $ */ 00025 /* 00026 Independent implementation of MD5 (RFC 1321). 00027 00028 This code implements the MD5 Algorithm defined in RFC 1321, whose 00029 text is available at 00030 http://www.ietf.org/rfc/rfc1321.txt 00031 The code is derived from the text of the RFC, including the test suite 00032 (section A.5) but excluding the rest of Appendix A. It does not include 00033 any code or documentation that is identified in the RFC as being 00034 copyrighted. 00035 00036 The original and principal author of md5.h is L. Peter Deutsch 00037 <ghost@aladdin.com>. Other authors are noted in the change history 00038 that follows (in reverse chronological order): 00039 00040 2002-04-13 lpd Removed support for non-ANSI compilers; removed 00041 references to Ghostscript; clarified derivation from RFC 1321; 00042 now handles byte order either statically or dynamically. 00043 1999-11-04 lpd Edited comments slightly for automatic TOC extraction. 00044 1999-10-18 lpd Fixed typo in header comment (ansi2knr rather than md5); 00045 added conditionalization for C++ compilation from Martin 00046 Purschke <purschke@bnl.gov>. 00047 1999-05-03 lpd Original version. 00048 */ 00049 00050 #ifndef MD5_H__ 00051 #define MD5_H__ 00052 00053 #include "macros.h" 00054 00055 #include <string> 00056 00057 namespace gloox 00058 { 00059 00069 class GLOOX_API MD5 00070 { 00071 public: 00075 MD5(); 00076 00080 virtual ~MD5(); 00081 00087 void feed( const unsigned char* data, int bytes ); 00088 00093 void feed( const std::string& data ); 00094 00099 void finalize(); 00100 00105 const std::string hex(); 00106 00111 const std::string binary(); 00112 00116 void reset(); 00117 00118 private: 00119 struct MD5State 00120 { 00121 unsigned int count[2]; /* message length in bits, lsw first */ 00122 unsigned int abcd[4]; /* digest buffer */ 00123 unsigned char buf[64]; /* accumulate block */ 00124 } m_state; 00125 00126 void init(); 00127 void process( const unsigned char* data ); 00128 00129 static const unsigned char pad[64]; 00130 00131 bool m_finished; 00132 00133 }; 00134 00135 } 00136 00137 #endif // MD5_H__