Patents by Inventor Nicolaas Santoso Handojo

Nicolaas Santoso Handojo 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: 9209980
    Abstract: Systems and methods are provided for computing a secret shared with a portable electronic device and service entity. The service entity has a public key G and a private key g. A message comprising the public key G is broadcast to the portable electronic device. A public key B of the portable electronic device is obtained from a manufacturing server and used together with the private key g to compute the shared secret. The portable electronic device receives the broadcast message and computes the shared secret as a function of the public key G and the portable electronic device's private key b. The shared secret can be used to establish a trusted relationship between the portable electronic device and the service entity, to activate a service on the portable electronic device, and to generate certificates.
    Type: Grant
    Filed: June 21, 2012
    Date of Patent: December 8, 2015
    Assignee: BlackBerry Limited
    Inventors: Roger Paul Bowman, Robert Henderson Wood, Nicolaas Santoso Handojo, John Michael Agar, Brian Paul Neill
  • Publication number: 20120331287
    Abstract: Systems and methods are provided for computing a secret shared with a portable electronic device and service entity. The service entity has a public key G and a private key g. A message comprising the public key G is broadcast to the portable electronic device. A public key B of the portable electronic device is obtained from a manufacturing server and used together with the private key g to compute the shared secret. The portable electronic device receives the broadcast message and computes the shared secret as a function of the public key G and the portable electronic device's private key b. The shared secret can be used to establish a trusted relationship between the portable electronic device and the service entity, to activate a service on the portable electronic device, and to generate certificates.
    Type: Application
    Filed: June 21, 2012
    Publication date: December 27, 2012
    Applicant: RESEARCH IN MOTION LIMITED
    Inventors: Roger Paul Bowman, Robert Henderson Wood, Nicolaas Santoso Handojo, John Michael Agar, Brian Paul Neill