US Patent Issued to MITSUBISHI ELECTRIC on June 2 for "Ciphertext conversion system, ciphertext conversion method, and non-transitory computer readable medium" (Japanese Inventor)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,647,250, issued on June 2, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).

"Ciphertext conversion system, ciphertext conversion method, and non-transitory computer readable medium" was invented by Yutaka Kawai (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A ciphertext conversion system includes a conversion device (600) including a conversion unit (604). The conversion unit (604) performs encryption of a public-key encryption scheme using a public key and a decryption enabling condition, so as to generate a transformed public-key ciphertext and a key corresponding to the transformed public-key ciphertext, and calculates, as at least part of a ...