NEC Assigned Two Patents

Secure and efficient cloud storage with retrievability guarantees
NEC Corp., Tokyo, Japan, has been assigned a patent (10,528,751) developed by Li, Wenting, and Karame, Ghassan, Heidelberg, Germany, for a “secure and efficient cloud storage with retrievability guarantees.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A method for secure cloud storage of user data includes deriving, using content of the user data and a secret key stored by a server, an encryption key, encrypting, using the derived encryption key, the user data to provide encrypted user data, applying an all-or-nothing transform on the encrypted user data to produce blocks of transformed encrypted user data, partitioning the blocks of transformed encrypted user data to data partitions, creating, for each of the data partitions, an authenticator, and performing data deduplication on the transformed encrypted user data.”

The patent application was filed on April 13, 2017 (15/486,319).

Analysis device, analysis method, and storage medium in which analysis program is recorded
NEC Corp., Tokyo, Japan, has been assigned a patent (10,528,730) developed by Yamane, Masato, Ashino, Yuki, Morita, Yoichiro, and Watanabe, Masafumi, Tokyo, Japan, for “analysis device, analysis method, and storage medium in which analysis program is recorded.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”Provided is an analysis apparatus including a first storage device configured to store data, and a processing circuitry that is configured to control the own apparatus to function as: a dispatcher that is communicably connected to an analysis target device that performs operational processing by use of a processor and a memory unit, and generates collection target data for reproducing at least part of a state of the operational processing in the analysis target device, in accordance with data being transmitted and received between the processor and the memory unit, a data mapper that assigns, to one or more areas included in the collection target data, tag information for identifying the area, and a data writer that saves the one or more areas into the first storage device in accordance with a first policy defining a procedure of saving the collection target data into the first storage device.”

The patent application was filed on June 24, 2015 (15/319,431).