On Tue, Jan 22, 2013 at 4:50 PM, Eliseo Baruzzi
<[email protected]> 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.

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