Files
SmallGame_Cocos2dx/Classes/Common/aes.h
T
2014-08-20 16:15:02 +08:00

48 lines
1.4 KiB
C++
Executable File

#ifndef AES_H
#define AES_H
#include <string.h>
class AES
{
public:
AES(unsigned char* key);
virtual ~AES();
unsigned char* Cipher(unsigned char* input);
unsigned char* InvCipher(unsigned char* input);
void* Cipher(void* input, int length=0);
void* InvCipher(void* input, int length);
void Cipher(char *input, char *output);
void InvCipher(char *inut, char *output);
private:
unsigned char Sbox[256];
unsigned char InvSbox[256];
unsigned char w[11][4][4];
void KeyExpansion(unsigned char* key, unsigned char w[][4][4]);
unsigned char FFmul(unsigned char a, unsigned char b);
void SubBytes(unsigned char state[][4]);
void ShiftRows(unsigned char state[][4]);
void MixColumns(unsigned char state[][4]);
void AddRoundKey(unsigned char state[][4], unsigned char k[][4]);
void InvSubBytes(unsigned char state[][4]);
void InvShiftRows(unsigned char state[][4]);
void InvMixColumns(unsigned char state[][4]);
int strToHex(const char *ch, char *hex);
int hexToStr(const char *hex, char *ch);
int ascillToValue(const char ch);
char valueToHexCh(const int value);
int getUCharLen(const unsigned char *uch);
int strToUChar(const char *ch, unsigned char *uch);
int ucharToStr(const unsigned char *uch, char *ch);
int ucharToHex(const unsigned char *uch, char *hex);
int hexToUChar(const char *hex, unsigned char *uch);
};
#endif // AES_H