LGram16
dd97ddec92
Move git root from Client/ to src/ to track all source code: - Client: Game client source (moved to Client/Client/) - Server: Game server source - GameTools: Development tools - CryptoSource: Encryption utilities - database: Database scripts - Script: Game scripts - rylCoder_16.02.2008_src: Legacy coder tools - GMFont, Game: Additional resources 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
#ifndef _CXOR_CRYPT_H_
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#define _CXOR_CRYPT_H_
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#pragma once
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#include <Pattern/Singleton.h>
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class CXORCrypt : public CSingleton<CXORCrypt>
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{
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public:
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enum
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{
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PAGE_VERSION = 0,
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BIT_COUNT = 40,
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CODE_PAGE = 10,
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};
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private:
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static const unsigned char BitFields[][CODE_PAGE][BIT_COUNT];
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unsigned char m_CodePage[CODE_PAGE * 10];
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unsigned long m_CodePageCount;
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void InitCodePage(void);
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void XORF(char *Start_In, int Length_In, unsigned short PageVer, unsigned char PageNum1, unsigned char PageNum2);
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void XORB(char *Start_In, int Length_In, unsigned short PageVer, unsigned char PageNum1, unsigned char PageNum2);
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// To make Singleton Class.
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CXORCrypt();
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static CXORCrypt ms_this;
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public:
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~CXORCrypt();
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// interface of encoder, decoder
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unsigned long GetCodePage(void);
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unsigned long GetCodePage(unsigned short PageVer_In);
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inline unsigned short GetPageVer(unsigned long CodePage_In);
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bool EncodePacket(char *Start_In, int Length_In, unsigned long CodePage_In);
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bool DecodePacket(char *Start_In, int Length_In, unsigned long CodePage_In);
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void EncodeHeader(char *Start_In, int HeaderLen_In, unsigned short PageVer_In, unsigned char PageNum_In);
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void DecodeHeader(char *Start_In, int HeaderLen_In, unsigned short PageVer_In, unsigned char PageNum_In);
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};
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inline unsigned short CXORCrypt::GetPageVer(unsigned long CodePage_In)
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{
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return (unsigned short)(((CodePage_In & 0xffff0000) >> 16) & 0x0000ffff);
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}
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#endif
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