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#1 2009-07-14 03:23:13

rfider
Member
Registered: 2009-01-04
Posts: 15

Multiple-sector Authentication with illegal TAG

In multiple-sector authentication,

if TAG send a nonce like(0x11111111) or whatever random number,
how READER would handle it?

Decrypted the nonce with it's own key(READER's key),
then READER will probably get a false nonce which can not be generated by 16-bit LFSR,
what will the READER do with it?

I know READER will first check the parity bits, but I can try to send satisfying parity bits.

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