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BlogsAsk The Experts ForumHow Can Blocks of Data Be Locked?

How Can Blocks of Data Be Locked?

Posted By RFID Journal, 11.28.2012
Can you please explain how this would be done?

—Name withheld

———
Locking an individual password to prevent subsequent reads and/or writes of that password, locking and unlocking individual memory banks, and permanently locking a password or memory are all part of the EPC Gen 2 air-interface protocol. The interrogator sends "lock," "unlock" or "permalock" commands to a tag. The exact command structure is spelled out in the standard, which you can download here.

—Mark Roberti, Founder and Editor,
RFID Journal

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