Tape Specific Patents (Class D14/360)
  • Patent number: 7934105
    Abstract: A data transfer device for storing data to a removable data storage item, wherein data are received as records and encrypted by the data transfer device prior to storage. The data transfer device encrypts a first portion of the records using a first encryption key and a second portion of the records using a second encryption key. The encrypted records are then stored to the removable data storage item as a plurality of data blocks, each data block comprising one or more encrypted records, wherein records in a respective data block are encrypted using only a respective one of the encryption keys.
    Type: Grant
    Filed: July 26, 2006
    Date of Patent: April 26, 2011
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventor: Jonathan Peter Buckingham