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  1. #1
    Registered User
    Join Date
    Dec 2012
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    5

    NFC phone's UID as a Login Account

    Hi,
    I'm working on a project. The basic Idea is I want to use NFC phone's UID as an unique identifier for log in process. User will be provided a client, where they only need to tap Log in and it will read the NFC UID from the phone, send it to the server, if it's registered then the log in process is successful. But I'm totally new to the technology so I want to ask if doing so is really possible? I've been researching for awhile and found some articles say that the UID is randomly generated each time it's scanned. Is that true? Is there any real fixed UID that can be used to serve my purpose? Please help me, thanks!

  2. #2
    Registered User
    Join Date
    Aug 2011
    Posts
    39

    Re: NFC phone's UID as a Login Account

    I did some quick testing with reading UID of a BB10DevAlpha from a N9. Indeed, the UID changes every time.

  3. #3
    Registered User
    Join Date
    Dec 2012
    Posts
    5

    Re: NFC phone's UID as a Login Account

    Quote Originally Posted by oniongarlic View Post
    I did some quick testing with reading UID of a BB10DevAlpha from a N9. Indeed, the UID changes every time.
    Thank you for your answer.
    So basically, there's no fixed value that can be used to uniquely identify user using their phone only? Oh and is it the same for NFC Tag? I mean does its UID change each time it's scanned too?

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