/*****************************************************************************
- * This file is part of iClassCipher. It is a reconstructon of the cipher engine
+ * WARNING
+ *
+ * THIS CODE IS CREATED FOR EXPERIMENTATION AND EDUCATIONAL USE ONLY.
+ *
+ * USAGE OF THIS CODE IN OTHER WAYS MAY INFRINGE UPON THE INTELLECTUAL
+ * PROPERTY OF OTHER PARTIES, SUCH AS INSIDE SECURE AND HID GLOBAL,
+ * AND MAY EXPOSE YOU TO AN INFRINGEMENT ACTION FROM THOSE PARTIES.
+ *
+ * THIS CODE SHOULD NEVER BE USED TO INFRINGE PATENTS OR INTELLECTUAL PROPERTY RIGHTS.
+ *
+ *****************************************************************************
+ *
+ * This file is part of loclass. It is a reconstructon of the cipher engine
* used in iClass, and RFID techology.
*
* The implementation is based on the work performed by
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with IClassCipher. If not, see <http://www.gnu.org/licenses/>.
+ * along with loclass. If not, see <http://www.gnu.org/licenses/>.
+ *
+ *
+ *
****************************************************************************/
+
#ifndef CIPHER_H
#define CIPHER_H
#include <stdint.h>
-/**
-* Definition 1 (Cipher state). A cipher state of iClass s is an element of F 40/2
-* consisting of the following four components:
-* 1. the left register l = (l 0 . . . l 7 ) ∈ F 8/2 ;
-* 2. the right register r = (r 0 . . . r 7 ) ∈ F 8/2 ;
-* 3. the top register t = (t 0 . . . t 15 ) ∈ F 16/2 .
-* 4. the bottom register b = (b 0 . . . b 7 ) ∈ F 8/2 .
-**/
-typedef struct {
- uint8_t l;
- uint8_t r;
- uint8_t b;
- uint16_t t;
-} State;
-
-void printarr(char * name, uint8_t* arr, int len);
-int calc_iclass_mac(uint8_t *cc_nr_p, int length, uint8_t *div_key_p, uint8_t *mac);
+void doMAC(uint8_t *cc_nr_p, int length, uint8_t *div_key_p, uint8_t mac[4]);
+int testMAC();
#endif // CIPHER_H