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85 lines
2.6 KiB
85 lines
2.6 KiB
/*==LICENSE==* |
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CyanWorlds.com Engine - MMOG client, server and tools |
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Copyright (C) 2011 Cyan Worlds, Inc. |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. |
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You can contact Cyan Worlds, Inc. by email legal@cyan.com |
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or by snail mail at: |
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Cyan Worlds, Inc. |
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14617 N Newport Hwy |
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Mead, WA 99021 |
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*==LICENSE==*/ |
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#ifndef PL_CHECKSUM_H |
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#define PL_CHECKSUM_H |
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#include "hsTypes.h" |
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#include <openssl/md5.h> |
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class plChecksum |
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{ |
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public: |
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typedef UInt32 SumStorage; |
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private: |
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SumStorage fSum; |
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public: |
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plChecksum(unsigned int bufsize, const char* buffer); |
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static int GetChecksumSize() { return sizeof(SumStorage); } |
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static int GetWindowSize() { return sizeof(SumStorage); } |
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SumStorage GetChecksum() { return fSum; } |
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}; |
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class plMD5Checksum |
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{ |
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protected: |
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hsBool fValid; |
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MD5_CTX fContext; |
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UInt8 fChecksum[ MD5_DIGEST_LENGTH ]; |
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UInt8 IHexCharToInt( char c ) const; |
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public: |
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plMD5Checksum( UInt32 size, UInt8 *buffer ); |
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plMD5Checksum(); |
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plMD5Checksum( const plMD5Checksum &rhs ); |
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plMD5Checksum( const char *fileName ); |
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hsBool IsValid( void ) const { return fValid; } |
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void Clear(); |
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void CalcFromFile( const char *fileName ); |
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void Start( void ); |
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void AddTo( UInt32 size, const UInt8 *buffer ); |
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void Finish( void ); |
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const UInt8 *GetValue( void ) const { return fChecksum; } |
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UInt32 GetSize( void ) const { return sizeof( fChecksum ); } |
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// Backdoor for cached checksums (ie, if you loaded it off disk) |
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void SetValue(UInt8* checksum); |
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// Note: GetAsHexString() returns a pointer to a static string; do not rely on the contents of this string between calls! |
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const char *GetAsHexString( void ) const; |
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void SetFromHexString( const char *string ); |
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bool operator==( const plMD5Checksum &rhs ) const; |
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bool operator!=( const plMD5Checksum &rhs ) const { return !operator==( rhs ); } |
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}; |
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#endif // PL_CHECKSUM_H |
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