[proxmark3-svn] / armsrc / aes.h

/*
* AES Cryptographic Algorithm Header File. Include this header file in
* your source which uses these given APIs. (This source is kept under
* public domain)
*/
#ifndef __AES_H
#define __AES_H

// AES context structure
typedef struct {
 unsigned int Ek[60];
 unsigned int Dk[60];
 unsigned int Iv[4];
 unsigned char Nr;
 unsigned char Mode;
} AesCtx;

// key length in bytes
#define KEY128 16
#define KEY192 24
#define KEY256 32
// block size in bytes
#define BLOCKSZ 16
// mode
#define EBC 0
#define CBC 1

// AES API function prototype

int AesCtxIni(AesCtx *pCtx, unsigned char *pIV, unsigned char *pKey, unsigned int KeyLen, unsigned char Mode);
int AesEncrypt(AesCtx *pCtx, unsigned char *pData, unsigned char *pCipher, unsigned int DataLen);
int AesDecrypt(AesCtx *pCtx, unsigned char *pCipher, unsigned char *pData, unsigned int CipherLen);

#endif
Commit	Line	Data
f38a1528	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	*/
2d3f8e5f	6	#ifndef __AES_H
2d3f8e5f	7	#define __AES_H
f38a1528	8
	9	// AES context structure
	10	typedef struct {
	11	unsigned int Ek[60];
	12	unsigned int Dk[60];
	13	unsigned int Iv[4];
	14	unsigned char Nr;
	15	unsigned char Mode;
	16	} AesCtx;
	17
	18	// key length in bytes
	19	#define KEY128 16
	20	#define KEY192 24
	21	#define KEY256 32
	22	// block size in bytes
	23	#define BLOCKSZ 16
	24	// mode
	25	#define EBC 0
	26	#define CBC 1
	27
	28	// AES API function prototype
	29
	30	int AesCtxIni(AesCtx pCtx, unsigned char pIV, unsigned char *pKey, unsigned int KeyLen, unsigned char Mode);
	31	int AesEncrypt(AesCtx pCtx, unsigned char pData, unsigned char *pCipher, unsigned int DataLen);
2d3f8e5f	32	int AesDecrypt(AesCtx pCtx, unsigned char pCipher, unsigned char *pData, unsigned int CipherLen);
	33
	34	#endif