Patents by Inventor Aarne Rantala

Aarne Rantala 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).

  • Credential provisioning
    Patent number: 8724819
    Abstract: Disclosed is a method in a provisioning apparatus. The method comprises obtaining a family key, a family key defining a family; submitting the family key to a security element in a secure manner (2-2); using the family key for securing credential data; submitting said secured credential data to the security element (2-4); using the family key for binding an application to the family; and submitting said binding to the security element (2-5). Also a method in a related security element and related apparatuses, systems and computer programs are disclosed.
    Type: Grant
    Filed: October 16, 2007
    Date of Patent: May 13, 2014
    Assignee: Nokia Corporation
    Inventors: Nadarajah Asokan, Jan-Erik Ekberg, Aarne Rantala, Markku Kylänpää
  • Method for secure program code execution in an electronic device
    Patent number: 8601285
    Abstract: The invention relates to a method for secure piecemeal execution of a program code. In the method, the program code is split to a number of pieces in a first electronic device. The pieces are provided one after another to a second electronic device, which computes a message authentication code from the pieces and returns the authenticated pieces back to the first electronic device. In order to execute the program, the authenticated pieces are provided for execution to the second electronic device, which verifies the message authentication codes in the pieces to allow the execution of the pieces in the second electronic device.
    Type: Grant
    Filed: November 23, 2007
    Date of Patent: December 3, 2013
    Assignee: Nokia Corporation
    Inventors: Jan-Erik Ekberg, Aarne Rantala
  • CREDENTIAL PROVISIONING
    Publication number: 20100266128
    Abstract: Disclosed is a method in a provisioning apparatus. The method comprises obtaining a family key, a family key defining a family; submitting the family key to a security element in a secure manner (2-2); using the family key for securing credential data; submitting said secured credential data to the security element (2-4); using the family key for binding an application to the family; and submitting said binding to the security element (2-5). Also a method in a related security element and related apparatuses, systems and computer programs are disclosed.
    Type: Application
    Filed: October 16, 2007
    Publication date: October 21, 2010
    Applicant: NOKIA CORPORATION
    Inventors: Nadarajah Asokan, Jan-Erik Ekberg, Aarne Rantala, Markku Kylanpaa
  • METHOD FOR SECURE PROGRAM CODE EXECUTION IN AN ELECTRONIC DEVICE
    Publication number: 20100262841
    Abstract: The invention relates to a method for secure piecemeal execution of a program code. In the method, the program code is split to a number of pieces in a first electronic device. The pieces are provided one after another to a second electronic device, which computes a message authentication code from the pieces and returns the authenticated pieces back to the first electronic device. In order to execute the program, the authenticated pieces are provided for execution to the second electronic device, which verifies the message authentication codes in the pieces to allow the execution of the pieces in the second electronic device.
    Type: Application
    Filed: November 23, 2007
    Publication date: October 14, 2010
    Applicant: NOKIA CORPORATION
    Inventors: Jan-Erik Ekberg, Aarne Rantala