Patents by Inventor Xiaoyan Y. Zhang

Xiaoyan Y. Zhang 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).

  • Protocol based key management
    Patent number: 10122693
    Abstract: A method, system, and computer usable program product for protocol based key management are provided in the illustrative embodiments. A key management protocol associated with a key request is identified, the key request being a request for data usable in cryptographic security. A first subset is selected from a set of policies using the key management protocol. A set of permissions is computed based on the first subset of policies, the set of permissions indicating whether the key request is permitted under the key management protocol. The set of permissions is cached in a cache in a data storage device.
    Type: Grant
    Filed: October 25, 2010
    Date of Patent: November 6, 2018
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Bruce Arland Rich, Krishna Kishore Yellepeddy, Xiaoyan Y Zhang
  • Protocol Based Key Management
    Publication number: 20120099728
    Abstract: A method, system, and computer usable program product for protocol based key management are provided in the illustrative embodiments. A key management protocol associated with a key request is identified, the key request being a request for data usable in cryptographic security. A first subset is selected from a set of policies using the key management protocol. A set of permissions is computed based on the first subset of policies, the set of permissions indicating whether the key request is permitted under the key management protocol. The set of permissions is cached in a cache in a data storage device.
    Type: Application
    Filed: October 25, 2010
    Publication date: April 26, 2012
    Applicant: International Business Machines Corporation
    Inventors: Bruce Arland Rich, Krishna Kishore Yellepeddy, Xiaoyan Y. Zhang