[Muscle] is there some methods to unblock the key set ofCyberflex 64k v2 smart card?

zlf.stevens zlf.stevens at gmail.com
Tue Feb 26 21:41:26 PST 2008


Thanks for your reply!

It is a new card. I have not loaded a applet to the card! 
So there is not an instance and pin in the card.
The application selected is Card Manage (A000000003000000).
I send InitializeUpdate APDU command three times without following ExternalAuthenticate APDU .

"If you send an InitializeUpdate APDU command three times
without following the command with a successful
ExternalAuthenticate APDU, you will lock the key set."
            ----Cyberflex Access 64K v2 Card Programmer's Guide / Page 5

The gemalto's reply is that there is no way to unlock the key set. The card has became invaild.


Thanks 
Shengjun Li
  ----- Original Message ----- 
  From: Anri Lau 
  To: MUSCLE 
  Sent: Wednesday, February 27, 2008 12:39 PM
  Subject: Re: [Muscle] is there some methods to unblock the key set ofCyberflex 64k v2 smart card?


  Hello,

  Please try this command 
  B0 46 N 00 L *******
  N is your pin code reference L is the length of unblock pin
  ***** is unblock pin

  BTW, why did not you try to delete and reinstall the applet?.


  On 27/02/2008, zlf.stevens <zlf.stevens at gmail.com> wrote:
    Hi,

    I send an InitializeUpdate APDU command tree times without following
    the command with a successful ExternalAuthenticate APDU, and the key
    set of the card is locked.

    Are there some methods or commands (APDU) to unlock the card?


    Thanks,
    Shengjun li
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  -- 
  Best regards to you and your family 


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