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Return EACCES when authentication to an ultralight tag fails

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Robert Clausecker 2014-02-25 01:31:37 +01:00 • committed by Philippe Teuwen
parent 7ae729a65d
commit 184c5dcbdf
1 changed files with 1 additions and 0 deletions
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libfreefare/mifare_ultralight.c
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@ -301,6 +301,7 @@ mifare_ultralightc_authenticate (MifareTag tag, const MifareDESFireKey key)
rol (PCD_RndA_s, 8); rol (PCD_RndA_s, 8);
if (0 != memcmp (PCD_RndA_s, PICC_RndA_s, 8)) { if (0 != memcmp (PCD_RndA_s, PICC_RndA_s, 8)) {
errno = EACCES;
return -1; return -1;
} }
// XXX Should we store the state "authenticated" in the tag struct?? // XXX Should we store the state "authenticated" in the tag struct??