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check MAD crc

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This commit is contained in:
merlokk 2019-02-21 20:06:53 +02:00
parent b9dc841bf9
commit 01c9325469
1 changed files with 6 additions and 1 deletions
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7
client/mifare/mad.c
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@ -10,6 +10,7 @@
#include "mad.h"
#include "ui.h"
#include "crc.h"
madAIDDescr madKnownAIDs[] = {
{0x0000, "free"},
@ -48,7 +49,11 @@ int MAD1DecodeAndPrint(uint8_t *sector, bool verbose, bool *haveMAD2) {
if (haveMAD2)
*haveMAD2 = (MADVer == 2);
uint8_t crc = CRC8Mad(&sector[16 + 1], 31);
if (crc != sector[16]) {
PrintAndLogEx(ERR, "Wrong MAD CRC. Calculated crc: 0x%02x, from sector: 0x%02x", crc, sector[16]);
return 3;
};