US Patent Issued to CRYPTO LAB on Feb. 10 for "Encoding or decoding for approximate encrypted ciphertext" (South Korean Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,549,363, issued on Feb. 10, was assigned to CRYPTO LAB INC. (Seoul, South Korea).

"Encoding or decoding for approximate encrypted ciphertext" was invented by Younho Lee (Seoul, South Korea) and Seong-Min Hong (Yongin-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an operation device. The operation device includes a memory storing at least one instruction; and a processor configured to execute the at least one instruction, and the processor, by executing the at least one instruction, may perform encoding or decoding for an approximate homomorphic ciphertext using a predetermined matrix having only a half of an element of a ma...