AES算法，实现对文件加密。包含密码学课程报告

class CRijndael

{

private:

　　int Nk,Nr,round

　　long Total_Round,Cur_Round

　　char *SourceFileName,*TargetFileName

　　CString source,*target,save

　　CFile Source,Target

　　byte (* State)[4],*w[4],*key[4]



public:

　　CString ErrorMessage

　　CRijndael()

　　virtual ~CRijndael()

　　bool EncrypFile()

　　bool DecrypFile()

　　CString DecrypStr()

　　CString EncrypStr()

　　bool SetFileName(CString SFileName,CString TFileName)

　　bool SetString(CString sour,CString &targ)

　　bool SetVariable(int k,int r,CString skey)

　　int GetCurPos()



private:

　　void SubBytes()

　　void ShiftRows()

　　void MixColumns()

　　byte Multi(byte a,byte b)

　　void AddRoundKey()

　　void KeyExpansion()

　　void InvShiftRows()

　　void InvSubBytes()

　　void InvMixColumns()

　　void Encryption()

　　void Decryption()

} -AES algorithm to realize the files are encrypted. Course report contains the password 。

class CRijndael {private: int Nk, Nr, round　long Total_Round, Cur_Round　char* SourceFileName,* TargetFileName　CString source,* target, save　CFile Source, Target　byte (* State) [4] ,* w [4],* key [4]　public: CString ErrorMessage　CRijndael ()　virtual ~ CRijndael ()　bool EncrypFile ()　bool DecrypFile ()　CString DecrypStr ()　CString EncrypStr ()　bool SetFileName (CString SFileName, CString TFileName)　bool SetString (CString sour, CString &　targ)　bool SetVariable (int k, int r, CString skey)　int GetCurPos ()　private: void SubBytes ()　void ShiftRows ()　void MixColumns ()　byte Multi (byte a, byte b)　void AddRoundKey ()　void KeyExpansion ()　void InvShiftRows ()　void InvSubBytes ()　void InvMixColumns ()　void Encryption ()　void Decryption () }