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37 lines
806 B
C
37 lines
806 B
C
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// Implements a TEA block encryptor for RakNet
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#ifndef __TEA_BLOCK_ENCRYPTOR_H
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#define __TEA_BLOCK_ENCRYPTOR_H
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#include "DataBlockEncryptor.h"
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class TEABlockEncryptor :
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public DataBlockEncryptor
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{
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public:
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TEABlockEncryptor();
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~TEABlockEncryptor();
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bool IsKeySet( void ) const;
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void SetKey( const unsigned char key[ 16 ] );
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void UnsetKey( void );
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void Encrypt( unsigned char *input, int inputLength, unsigned char *output, int *outputLength );
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bool Decrypt( unsigned char *input, int inputLength, unsigned char *output, int *outputLength );
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protected:
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unsigned char key[ 16 ];
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unsigned int initSum;
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unsigned int initDelta;
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static unsigned int initObsDelta;
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void EncryptBlock(unsigned int &V0, unsigned int &V1);
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void DecryptBlock(unsigned int &V0, unsigned int &V1);
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};
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#endif
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