Patents by Inventor Sujash Sen Gupta

Sujash Sen Gupta 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).

  • Method for setting permissions for cryptographic keys, computer program and cryptographic processing system
    Patent number: 11689363
    Abstract: In accordance with a first aspect of the present disclosure, a method is conceived for setting permissions for cryptographic keys in a cryptographic processing system, comprising: generating at least one cryptographic key to be protected; assigning one or more configurable properties to said cryptographic key; wherein the configurable properties define at least one of a permission of performing a first set of predefined operations on the cryptographic key and a permission of using the cryptographic key for performing a second set of predefined operations. In accordance with a second aspect of the present disclosure, a corresponding computer program is provided. In accordance with a third aspect of the present disclosure, a corresponding cryptographic processing system is provided.
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: June 27, 2023
    Assignee: NXP B.V.
    Inventors: Sujash Sen Gupta, Venkatesh H Nayak G, Hugues Jean Marie de Perthuis
  • METHOD FOR SETTING PERMISSIONS FOR CRYPTOGRAPHIC KEYS, COMPUTER PROGRAM AND CRYPTOGRAPHIC PROCESSING SYSTEM
    Publication number: 20210399880
    Abstract: In accordance with a first aspect of the present disclosure, a method is conceived for setting permissions for cryptographic keys in a cryptographic processing system, comprising: generating at least one cryptographic key to be protected; assigning one or more configurable properties to said cryptographic key; wherein the configurable properties define at least one of a permission of performing a first set of predefined operations on the cryptographic key and a permission of using the cryptographic key for performing a second set of predefined operations. In accordance with a second aspect of the present disclosure, a corresponding computer program is provided. In accordance with a third aspect of the present disclosure, a corresponding cryptographic processing system is provided.
    Type: Application
    Filed: June 14, 2021
    Publication date: December 23, 2021
    Inventors: Sujash Sen Gupta, Venkatesh H Nayak G, Hugues Jean Marie de Perthuis