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  1. #1
    Registered User
    Join Date
    Jul 2007
    Location
    Paris, France
    Posts
    41

    Letting only trusted users write to NFC tags

    Hello
    I would like to have a system with NFC tags where:
    - each tag has a URL readable by anyone
    - the URL can be updated by certain users only (agents of the company)

    Is this at all possible, via some kind of key authentication scheme?
    What tag types / equipment would I need for this to work?
    Ideally I would write an application to do this with a 6131 but I am open to other suggestions.

    Thanks

  2. #2
    Registered User
    Join Date
    Apr 2004
    Location
    Vienna
    Posts
    321

    Re: Letting only trusted users write to NFC tags

    jop, if you use mifare, there is this possible. Key A is a standard key an open to public and key b is "secret" and required to change the content of the tage. just consult the mifare documentation for that. I believe topas can do that as well, but I'm not sure about it.

    cheers, geri-m

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