ADD: added support for some NTAG/EV1 commands to "hf 14a sim" on device side.

[proxmark3-svn] / common / crc.h

diff --git a/common/crc.h b/common/crc.h
index 8e68f3b336379e792680d957053b638b222e84de..adbfb237c8cd3671dc26db260833af94c6188640 100644 (file)
--- a/common/crc.h
+++ b/common/crc.h
@@ -10,6 +10,7 @@
 #define __CRC_H
 
 #include <stdint.h>
+#include <stddef.h>
 
 typedef struct crc {
        uint32_t state;
@@ -36,6 +37,8 @@ extern void crc_clear(crc_t *crc);
 /* Get the result of the crc calculation */
 extern uint32_t crc_finish(crc_t *crc);
 
+// Calculate CRC-8/Maxim checksum
+uint32_t CRC8Maxim(uint8_t *buff, size_t size  );
 /* Static initialization of a crc structure */
 #define CRC_INITIALIZER(_order, _polynom, _initial_value, _final_xor) { \
        .state = ((_initial_value) & ((1L<<(_order))-1)), \