Il giorno martedì 22 gennaio 2013 09:03:27 UTC+1, Nikolay Elenkov ha scritto: > > On Tue, Jan 22, 2013 at 4:50 PM, Eliseo Baruzzi > <[email protected] <javascript:>> wrote: > > > > Il giorno lunedì 21 gennaio 2013 18:12:30 UTC+1, Nikolay Elenkov ha > scritto: > >> > > >> > >> What are you trying to do? > > > > > > What I want to do is to use the UID received from the phone to > read/write > > the tag emulated on the phone. Another application possible is to use > the > > phone in access control applications, but a fixed UID is necessary. The > UID > > is random for security reasons? How Card Emulation can be used if the > UID is > > random? > > > > If you could change the UID at will that will enable you to clone key > cards, etc. > that rely on registered UID with any NFC-enabled Android device. Making it > that easy is obviously not a good idea, hence the random UID. > > As for how to use CE without a fixed UID, well, just like you use a card: > read and write data to files/sectors, etc., possibly requiring > authentication > with a key/password. > Thank you Nikolay. What's the relation between NFCID used for peer to peer communication, and the random UID I get from the phone? Are they the same thing?
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