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small fix

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This commit is contained in:
merlokk 2018-10-25 16:45:46 +03:00
commit 4f053ca0ef
1 changed files with 2 additions and 1 deletions
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3
client/mifare4.c
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@ -17,10 +17,11 @@
#include "polarssl/libpcrypto.h"
int CalulateMAC(mf4Session *session, uint8_t *data, int datalen, uint8_t *mac, bool verbose) {
memset(mac, 0x00, 8);
if (!session || !session->Authenticated || !mac || !data || !datalen)
return 1;
memset(mac, 0x00, 8);
if (verbose)
PrintAndLog("MAC data[%d]: %s", datalen, sprint_hex(data, datalen));