Patents by Inventor Robert Yepez

Robert Yepez has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Cryptographic entropy tree
    Patent number: 10320563
    Abstract: A device may include a secure processor and a secure memory coupled to the secure processor. The secure memory may be inaccessible to other device systems. The secure processor may store some keys and/or entropy values in the secure memory and other keys and/or entropy values outside the secure memory. The keys and/or entropy values stored outside the secure memory may be encrypted using information stored inside the secure memory.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: June 11, 2019
    Assignee: Apple Inc.
    Inventors: Kumar Saurav, Jerrold V. Hauck, Yannick L. Sierra, Charles E. Gray, Robert Yepez, Samuel Gosselin, Petr Kostka, Wade Benson