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105 lines
3.3 KiB
105 lines
3.3 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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Additional permissions under GNU GPL version 3 section 7 |
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If you modify this Program, or any covered work, by linking or |
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combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK, |
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NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent |
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JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK |
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(or a modified version of those libraries), |
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containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA, |
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PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG |
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JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the |
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licensors of this Program grant you additional |
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permission to convey the resulting work. Corresponding Source for a |
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non-source form of such a combination shall include the source code for |
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the parts of OpenSSL and IJG JPEG Library used as well as that of the covered |
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work. |
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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 hsStream; |
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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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plMD5Checksum( hsStream* stream ); |
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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 CalcFromStream( hsStream* stream ); |
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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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