Mangstor Assigned Patent

Mangstor, Inc., Austin, TX, has been assigned a patent (9,811,478) developed by Kamath, Ashwin, Cedar Park, TX, Prince, Paul E., Lago Vista, TX, and Smith, Trevor, Austin, TX, for a “self-encrypting flash drive.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “Exemplary methods are provided for storing data in a flash storage device to facilitate subsequent detection of tampering, comprising receiving a plaintext, reading first metadata associated with a device sector, encrypting the plaintext based on the first metadata to generate a cipher text and first authentication data, storing the cipher text in the sector, and storing the first authentication data as second metadata associated with the sector. Exemplary methods are also provided for detecting tampering with data stored in a flash storage device, comprising determining a physical location in a device sector, reading cipher text from the physical location, reading first authentication data and maintenance metadata associated with the sector, decrypting the cipher text based on a user key and the maintenance metadata to generate second authentication data, and determining the occurrence of tampering based on the first and second authentication data. Memory devices embodying said methods are also provided.”

The patent application was filed on March 22, 2016 (15/077,106)