dspdesencryption.hpp

根据网上找到的算法进行了修改的C++DES加密解密算法

#ifndef _DESENCRYPTION_
#define _DESENCRYPTION_


enum { ENCRYPT, DECRYPT };
namespace DSPDESService
{
	
	// Type Encrypt ,DECRYPT 
	//OUT Buffer length(out)>=((datalen+7)/8)*8 
	class DSPDesEncryption
	{
	public:	
		  
			DSPDesEncryption();
			bool Encrypt(char* outchar, char* inchar, long datalen);
			bool Decrypt(char* outchar, char* inchar, long datalen);
 			bool des_transfer( char *Out, char *In,long datalen,const char *Key,int keylen,bool Type = ENCRYPT );
	private:
		   char defaultKey[8];

    
       
	};
};
#endif  //end _DESENCRYPTION_