US Patent Issued to MITSUBISHI ELECTRIC on March 25 for "Cryptographic system, encrypted data conversion apparatus, and computer readable medium" (Japanese Inventor)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,261,951, issued on March 25, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).

"Cryptographic system, encrypted data conversion apparatus, and computer readable medium" was invented by Yutaka Kawai (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A deduplication system (100) includes encryption apparatuses (400), a conversion key generation apparatus (500), a tag conversion apparatus (600), and a match determination apparatus (700). The encryption apparatuses (400) each generate encryption tag (ETag) using an encryption key (ek) and plaintext (M). The conversion key generation apparatus (500) generates a conversion key (ck) using the encryption k...