cocos2d-x 文件MD5校验(3)

p>  

p>  

p>//Null data (except for first BYTE) used to finalise the checksum calculation  

p>static unsigned char PADDING[64] = {  

p>    0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,  

p>    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,  

p>    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0  

p>};  

p>#endif /* defined(__MD5ChecksumDefines__) */  

p> 

p>[cpp]  

p>//  

p>//  CMD5Checksum.h  

p>  

p>//  

p>  

p>#ifndef __CMD5Checksum__  

p>#define __CMD5Checksum__  

p>  

p>#include "cocos2d.h"  

p>USING_NS_CC;  

p>/***************************************************************************************** 

p>  

p>  

p> *****************************************************************************************/  

p>typedef unsigned long DWORD;  

p>typedef unsigned char BYTE;  

p>typedef unsigned long ULONG;  

p>typedef unsigned long ULONG;  

p>typedef unsigned int UINT;  

p>typedef unsigned char UCHAR;  

p>  

p>#define ASSERT CC_ASSERT  

p>#ifndef TRUE  

p>    #define TRUE true  

p>#endif  

p>#ifndef FALSE  

p>    #define FALSE false  

p>#endif  

p>class CMD5Checksum  

p>{  

p>public:  

p>    static std::string GetMD5OfString(std::string strString);  

p>    //interface functions for the RSA MD5 calculation  

p>    static std::string GetMD5(const std::string& strFilePath);  

p>      

p>protected:  

p>    //constructor/destructor  

p>    CMD5Checksum();  

p>    virtual ~CMD5Checksum() {};  

p>      

p>    //RSA MD5 implementation  

p>    void Transform(BYTE Block[64]);  

p>    void Update(BYTE* Input, ULONG nInputLen);  

p>    std::string Final();  

p>    inline DWORD RotateLeft(DWORD x, int n);  

p>    inline void FF( DWORD& A, DWORD B, DWORD C, DWORD D, DWORD X, DWORD S, DWORD T);  

p>    inline void GG( DWORD& A, DWORD B, DWORD C, DWORD D, DWORD X, DWORD S, DWORD T);  

p>    inline void HH( DWORD& A, DWORD B, DWORD C, DWORD D, DWORD X, DWORD S, DWORD T);  

p>    inline void II( DWORD& A, DWORD B, DWORD C, DWORD D, DWORD X, DWORD S, DWORD T);  

p>      

p>    //utility functions  

p>    inline void DWordToByte(BYTE* Output, DWORD* Input, UINT nLength);  

p>    inline void ByteToDWord(DWORD* Output, BYTE* Input, UINT nLength);