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Commit	Line	Data
	1	/*
	2	* AES Cryptographic Algorithm Header File. Include this header file in
	3	* your source which uses these given APIs. (This source is kept under
	4	* public domain)
	5	*/
	6
	7	// AES context structure
	8	typedef struct {
	9	unsigned int Ek[60];
	10	unsigned int Dk[60];
	11	unsigned int Iv[4];
	12	unsigned char Nr;
	13	unsigned char Mode;
	14	} AesCtx;
	15
	16	// key length in bytes
	17	#define KEY128 16
	18	#define KEY192 24
	19	#define KEY256 32
	20	// block size in bytes
	21	#define BLOCKSZ 16
	22	// mode
	23	#define EBC 0
	24	#define CBC 1
	25
	26	// AES API function prototype
	27
	28	int AesCtxIni(AesCtx pCtx, unsigned char pIV, unsigned char *pKey, unsigned int KeyLen, unsigned char Mode);
	29	int AesEncrypt(AesCtx pCtx, unsigned char pData, unsigned char *pCipher, unsigned int DataLen);
	30	int AesDecrypt(AesCtx pCtx, unsigned char pCipher, unsigned char *pData, unsigned int CipherLen);