[proxmark3-svn] / client / loclass / ikeys.h

#ifndef IKEYS_H
#define IKEYS_H


/**
 * @brief
 *Definition 11. Let the function hash0 : F 82 × F 82 × (F 62 ) 8 → (F 82 ) 8 be defined as
 *	hash0(x, y, z [0] . . . z [7] ) = k [0] . . . k [7] where
 * z'[i] = (z[i] mod (63-i)) + i	i =  0...3
 * z'[i+4] = (z[i+4] mod (64-i)) + i	i =  0...3
 * ẑ = check(z');
 * @param c
 * @param k this is where the diversified key is put (should be 8 bytes)
 * @return
 */
void hash0(uint64_t c, uint8_t k[8]);
int doKeyTests(uint8_t debuglevel);
/**
 * @brief Performs Elite-class key diversification
 * @param csn
 * @param key
 * @param div_key
 */

void diversifyKey(uint8_t csn[8], uint8_t key[8], uint8_t div_key[8]);
/**
 * @brief Permutes a key from standard NIST format to Iclass specific format
 * @param key
 * @param dest
 */

#endif // IKEYS_H
Commit	Line	Data
a66fca86 AD	1	#ifndef IKEYS_H
a66fca86 AD	2	#define IKEYS_H
3ad48540 MHS	3
	4
	5	/**
	6	* @brief
	7	*Definition 11. Let the function hash0 : F 82 × F 82 × (F 62 ) 8 → (F 82 ) 8 be defined as
	8	* hash0(x, y, z [0] . . . z [7] ) = k [0] . . . k [7] where
	9	* z'[i] = (z[i] mod (63-i)) + i i = 0...3
	10	* z'[i+4] = (z[i+4] mod (64-i)) + i i = 0...3
	11	* ẑ = check(z');
	12	* @param c
	13	* @param k this is where the diversified key is put (should be 8 bytes)
	14	* @return
	15	*/
	16	void hash0(uint64_t c, uint8_t k[8]);
	17	int doKeyTests(uint8_t debuglevel);
	18	/**
	19	* @brief Performs Elite-class key diversification
	20	* @param csn
	21	* @param key
	22	* @param div_key
	23	*/
	24
	25	void diversifyKey(uint8_t csn[8], uint8_t key[8], uint8_t div_key[8]);
	26	/**
	27	* @brief Permutes a key from standard NIST format to Iclass specific format
	28	* @param key
	29	* @param dest
	30	*/
	31
a66fca86	32	#endif // IKEYS_H