Nagravision Assigned Patent

Nagravision Sarl, Cheseaux-sur-Lausanne, Switzerland, has been assigned a patent (12212659) developed by Retaureau; Hervé, and Celletti; Antony, Cheseaux-sur-Lausanne, Switzerland, for a “private key cloud storage.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A system (1) for asymmetrical cryptography, comprising a device (10) and a network storage (30), wherein the device is communicatively connected to the network storage, wherein the network storage is configured to store a private key, wherein the device is configured to retrieve the private key from the network storage to perform a cryptographic operation using the private key in a secure execution environment (12) of the device, and wherein the secure execution environment is configured to only temporarily store the private key for the cryptographic operation.”

The patent application was filed on 2019-11-22 (17/295049).