csutil/csmd5.h
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00001 /* 00002 Crystal Space utility library: MD5 class 00003 Original C code written by L. Peter Deutsch (see below) 00004 Adapted for Crystal Space by Michael Dale Long 00005 Completely re-engineered by Eric Sunshine <sunshine@sunshineco.com> 00006 00007 This library is free software; you can redistribute it and/or 00008 modify it under the terms of the GNU Library General Public 00009 License as published by the Free Software Foundation; either 00010 version 2 of the License, or (at your option) any later version. 00011 00012 This library is distributed in the hope that it will be useful, 00013 but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00015 Library General Public License for more details. 00016 00017 You should have received a copy of the GNU Library General Public 00018 License along with this library; if not, write to the Free 00019 Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00020 00021 */ 00022 00023 /* 00024 Copyright (C) 1999 Aladdin Enterprises. All rights reserved. 00025 00026 This software is provided 'as-is', without any express or implied 00027 warranty. In no event will the authors be held liable for any damages 00028 arising from the use of this software. 00029 00030 Permission is granted to anyone to use this software for any purpose, 00031 including commercial applications, and to alter it and redistribute it 00032 freely, subject to the following restrictions: 00033 00034 1. The origin of this software must not be misrepresented; you must not 00035 claim that you wrote the original software. If you use this software 00036 in a product, an acknowledgment in the product documentation would be 00037 appreciated but is not required. 00038 2. Altered source versions must be plainly marked as such, and must not be 00039 misrepresented as being the original software. 00040 3. This notice may not be removed or altered from any source distribution. 00041 00042 L. Peter Deutsch 00043 ghost@aladdin.com 00044 00045 */ 00064 #ifndef __CS_CSMD5_H__ 00065 #define __CS_CSMD5_H__ 00066 00067 #include "csextern.h" 00068 #include "csutil/csstring.h" 00069 #include "csutil/hash.h" 00070 00078 class CS_CRYSTALSPACE_EXPORT csMD5 00079 { 00080 public: 00082 typedef uint8 md5_byte_t; 00084 typedef uint32 md5_word_t; 00085 00089 struct CS_CRYSTALSPACE_EXPORT md5_state_t 00090 { 00091 size_t count[2]; // message length in bits, lsw first 00092 md5_word_t abcd[4]; // digest buffer 00093 md5_byte_t buf[64]; // accumulate block 00094 }; 00095 00097 static void md5_init(md5_state_t*); 00099 static void md5_append(md5_state_t*, const md5_byte_t* data, size_t nbytes); 00101 static void md5_finish(md5_state_t*, md5_byte_t digest[16]); 00102 00103 protected: 00104 static void md5_process(md5_state_t*, const md5_byte_t* data/*[64]*/); 00105 00106 // Our friendly interface. 00107 public: 00109 struct CS_CRYSTALSPACE_EXPORT Digest 00110 { 00111 enum { DigestLen = 16 }; 00113 md5_byte_t data[DigestLen]; 00115 csString HexString() const; 00117 csString HEXString() const; 00118 }; 00119 00121 static Digest Encode(csString const&); 00123 static Digest Encode(const char*); 00125 static Digest Encode(const void*, size_t nbytes); 00126 }; 00127 00128 template<> 00129 class csHashComputer<csMD5::Digest> : 00130 public csHashComputerStruct<csMD5::Digest> {}; 00131 00132 template<> 00133 class csComparator<csMD5::Digest> : 00134 public csComparatorStruct<csMD5::Digest> {}; 00135 00136 #endif // __CS_CSMD5_H__ 00137
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