X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/bd20f8f47847787e1f3e933043933272908c5beb..710208245b42f91db9dcad5a32232c9d280d80a7:/common/crc.c?ds=sidebyside

diff --git a/common/crc.c b/common/crc.c
index 90d57afa..1bd0cefe 100644
--- a/common/crc.c
+++ b/common/crc.c
@@ -5,8 +5,9 @@
 //-----------------------------------------------------------------------------
 // Generic CRC calculation code.
 //-----------------------------------------------------------------------------
-
 #include "crc.h"
+#include <stdint.h>
+#include <stddef.h>
 
 void crc_init(crc_t *crc, int order, uint32_t polynom, uint32_t initial_value, uint32_t final_xor)
 {
@@ -40,3 +41,13 @@ uint32_t crc_finish(crc_t *crc)
 {
 	return ( crc->state ^ crc->final_xor ) & crc->mask;
 }
+
+uint32_t CRC8Maxim(uint8_t *buff, size_t size) {
+	
+	crc_t crc;
+	crc_init(&crc, 9, 0x8c, 0x00, 0x00);
+	for ( uint8_t i = 0; i < size; ++i){
+		crc_update(&crc, buff[i], 8);
+	}
+	return crc_finish(&crc);
+}
\ No newline at end of file