readermac

2020-08-13 10:13:16 +02:00
parent 85fd28eb2c
commit 339e598039
2 changed files with 9 additions and 2 deletions
--- a/armsrc/optimized_cipher.h
+++ b/armsrc/optimized_cipher.h
@@ -21,6 +21,9 @@ typedef struct {
 /** The reader MAC is MAC(key, CC * NR )
 **/
 void opt_doReaderMAC(uint8_t *cc_nr_p, uint8_t *div_key_p, uint8_t mac[4]);
+
+void opt_doReaderMAC_2(State _init,  uint8_t *nr, uint8_t mac[4], const uint8_t *div_key_p);
+
 /**
 * The tag MAC is MAC(key, CC * NR * 32x0))
 */