X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/c948cbde8cdb6870daa7df8fef0bef76b8da5333..8b6a93df9152de16e16fd4158775954228245613:/client/mifarehost.c?ds=sidebyside

diff --git a/client/mifarehost.c b/client/mifarehost.c
index fc29e10e..70d2413a 100644
--- a/client/mifarehost.c
+++ b/client/mifarehost.c
@@ -419,7 +419,13 @@ int mfTraceDecode(uint8_t *data_src, int len, bool wantSaveToEmlFile) {
 	
 	switch (traceState) {
 	case TRACE_IDLE: 
-		// TODO: check packet crc16!
+		// check packet crc16!
+		if ((len >= 4) && (!CheckCrc14443(CRC_14443_A, data, len))) {
+			PrintAndLog("dec> CRC ERROR!!!");
+			AddLogLine(logHexFileName, "dec> ", "CRC ERROR!!!"); 
+			traceState = TRACE_ERROR;  // do not decrypt the next commands
+			return 1;
+		}
 		
 		// AUTHENTICATION
 		if ((len ==4) && ((data[0] == 0x60) || (data[0] == 0x61))) {