NEC Assigned Patent

NEC Corp., Tokyo, Japan, has been assigned a patent (11,048,805) developed by Bohli, Jens-Matthias, Leimen, Germany, Karame, Ghassan, Heidelberg, Germany , and Armknecht, Frederik, Worms, Germany, for a “method for storing data on a storage entity.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A method for storing data on a storage entity (SE) includes: computing a file identifier for a file to be stored on the SE, checking if the file has already been stored using the file identifier, generating a user-specific private and public identifier, updating or computing tags of the file by the client such that the updating or computing is homomorphic in the user-specific private identifier and in parts of the file, providing the user-specific public identifier, the updated tags and a proof of possession of the secret identifier to the SE, verifying the proof-of-possession, verifying validity of the tags, upon successful checking, storing a public identifier for the file incorporating the user-specific public identifier and the updated tags by the SE, and upon a case where it is determined that the file has not already been stored, storing the file.”

The patent application was filed on February 17, 2016 (Appl. No.15/999,360).