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Dose Data encryption done with help of black blob involve hardware key?

Question asked by Swapnil Pendhare on Dec 8, 2015
Latest reply on Dec 13, 2015 by Yuri Muhin

Hi,

 

I have closed config the board and could encapsulate and decacpsulate black blob on it in secure mode.

 

The questions are,

  1. Does it involve the OTPMK during encryption and decryption when black blob is used?
  2. If yes, should the encrypted data differ on two boards.
    • If both boards are closed config.
    • Input data for both boards are same.
    • Input key is same while creating black key & black blob for data encryption.

 

how to chage security configuration of a SOC from fab configuration to closed configuration? This board is already closed config enabled.

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