diamond.h

各种加密算法的集合

#ifndef CRYPTOPP_DIAMOND_H 
#define CRYPTOPP_DIAMOND_H 
 
#include "cryptlib.h" 
#include "misc.h" 
#include "crc.h" 
 
NAMESPACE_BEGIN(CryptoPP) 
 
class Diamond2Base : public BlockTransformation 
{ 
public: 
	Diamond2Base(const byte *key, unsigned int key_size, unsigned int rounds, 
				CipherDir direction); 
 
	enum {KEYLENGTH=16, BLOCKSIZE=16, ROUNDS=10};    // default keylength 
	unsigned int BlockSize() const {return BLOCKSIZE;} 
 
protected: 
	enum {ROUNDSIZE=4096}; 
	inline void substitute(int round, byte *y) const; 
 
	const int numrounds; 
	SecByteBlock s;         // Substitution boxes 
 
	static inline void permute(byte *); 
	static inline void ipermute(byte *); 
#ifdef DIAMOND_USE_PERMTABLE 
	static const word32 permtable[9][256]; 
	static const word32 ipermtable[9][256]; 
#endif 
}; 
 
class Diamond2Encryption : public Diamond2Base 
{ 
public: 
	Diamond2Encryption(const byte *key, unsigned int key_size=KEYLENGTH, unsigned int rounds=ROUNDS) 
		: Diamond2Base(key, key_size, rounds, ENCRYPTION) {} 
 
	void ProcessBlock(const byte *inBlock, byte * outBlock) const; 
	void ProcessBlock(byte * inoutBlock) const; 
}; 
 
class Diamond2Decryption : public Diamond2Base 
{ 
public: 
	Diamond2Decryption(const byte *key, unsigned int key_size=KEYLENGTH, unsigned int rounds=ROUNDS) 
		: Diamond2Base(key, key_size, rounds, DECRYPTION) {} 
 
	void ProcessBlock(const byte *inBlock, byte * outBlock) const; 
	void ProcessBlock(byte * inoutBlock) const; 
}; 
 
class Diamond2LiteBase : public BlockTransformation 
{ 
public: 
	Diamond2LiteBase(const byte *key, unsigned int key_size, unsigned int rounds, 
				CipherDir direction); 
 
	enum {KEYLENGTH=16, BLOCKSIZE=8, ROUNDS=8};    // default keylength 
	unsigned int BlockSize() const {return BLOCKSIZE;} 
 
protected: 
	enum {ROUNDSIZE=2048}; 
	inline void substitute(int round, byte *y) const; 
	const int numrounds; 
	SecByteBlock s;         // Substitution boxes 
 
	static inline void permute(byte *); 
	static inline void ipermute(byte *); 
#ifdef DIAMOND_USE_PERMTABLE 
	static const word32 permtable[8][256]; 
	static const word32 ipermtable[8][256]; 
#endif 
}; 
 
class Diamond2LiteEncryption : public Diamond2LiteBase 
{ 
public: 
	Diamond2LiteEncryption(const byte *key, unsigned int key_size=KEYLENGTH, unsigned int rounds=ROUNDS) 
		: Diamond2LiteBase(key, key_size, rounds, ENCRYPTION) {} 
 
	void ProcessBlock(const byte *inBlock, byte * outBlock) const; 
	void ProcessBlock(byte * inoutBlock) const; 
}; 
 
class Diamond2LiteDecryption : public Diamond2LiteBase 
{ 
public: 
	Diamond2LiteDecryption(const byte *key, unsigned int key_size=KEYLENGTH, unsigned int rounds=ROUNDS) 
		: Diamond2LiteBase(key, key_size, rounds, DECRYPTION) {} 
 
	void ProcessBlock(const byte *inBlock, byte * outBlock) const; 
	void ProcessBlock(byte * inoutBlock) const; 
}; 
 
NAMESPACE_END 
 
#endif