Patents by Inventor Chon H. Lei

Chon H. Lei 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).

  • Patent number: 7503062
    Abstract: Methods for enabling database privileges are provided. The methods eliminate strict dependency on tradition password, or “secret” based security systems. Instead, database privileges are enabled based on verifying information stored in one or more frames of a call stack corresponds to trusted security logic. In another embodiment, database privileges are enabled based on policies identified in the trusted security logic. The methods and techniques described herein provide a flexible and extensible mechanisms for verifying that trusted security logic has been executed prior to enabling database privileges.
    Type: Grant
    Filed: June 20, 2003
    Date of Patent: March 10, 2009
    Assignee: Oracle International Corporation
    Inventors: Daniel M. Wong, Chon H. Lei
  • Patent number: 6745332
    Abstract: Methods for enabling database privileges are provided. The methods eliminate strict dependency on tradition password, or “secret” based security systems. Instead, database privileges are enabled based on verifying information stored in one or more frames of a call stack corresponds to trusted security logic. In another embodiment, database privileges are enabled based on policies identified in the trusted security logic. The methods and techniques described herein provide a flexible and extensible mechanisms for verifying that trusted security logic has been executed prior to enabling database privileges.
    Type: Grant
    Filed: June 29, 1999
    Date of Patent: June 1, 2004
    Assignee: Oracle International Corporation
    Inventors: Daniel M. Wong, Chon H. Lei
  • Publication number: 20040054933
    Abstract: Methods for enabling database privileges are provided. The methods eliminate strict dependency on tradition password, or “secret” based security systems. Instead, database privileges are enabled based on verifying information stored in one or more frames of a call stack corresponds to trusted security logic. In another embodiment, database privileges are enabled based on policies identified in the trusted security logic. The methods and techniques described herein provide a flexible and extensible mechanisms for verifying that trusted security logic has been executed prior to enabling database privileges.
    Type: Application
    Filed: June 20, 2003
    Publication date: March 18, 2004
    Applicant: Oracle International Corporation
    Inventors: Daniel M. Wong, Chon H. Lei