Patents Examined by Samon Lemma
  • Encryption engine with twin cell memory array
    Patent number: 9497027
    Abstract: Described are a hardware encryption engine, and secret key registration and authentication system recoverable binary bit using knowing an initial secret key stored in the master system. The secret key is overwritten in each authentication, updating it to the master and encryption engine independently. The secret key over write command can be preferably given to the chip as a CHG, and the non recoverable binary bit from the sense amplifier is used for response.
    Type: Grant
    Filed: June 2, 2014
    Date of Patent: November 15, 2016
    Assignee: GlobalFoundries, Inc.
    Inventors: Xiang Chen, Derek H. Leu, Toshiaki Kirihata, Sami Rosenblatt