aes.h

关于SQL SERVER 的加密和解密包

#include "../stdafx/stdafx.h"

#ifndef H__RIJNDAEL
#define H__RIJNDAEL

class Rijndael {
public:
	ULONG calculateLength(ULONG len);
	int rijndaelSetupEncrypt(ULONG *rk, BYTE *key, int keybits);
	int rijndaelSetupDecrypt(ULONG *rk, BYTE *key, int keybits);
	void rijndaelEncrypt(ULONG *rk, int nrounds, BYTE plaintext[16], BYTE ciphertext[16]);
	void rijndaelDecrypt(ULONG *rk, int nrounds, BYTE ciphertext[16], BYTE plaintext[16]);
};

#define KEYLENGTH(keybits) ((keybits)/8)
#define RKLENGTH(keybits)  ((keybits)/8+28)
#define NROUNDS(keybits)   ((keybits)/32+6)

#endif