ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,611, issued on May 27, was assigned to NTT Research Inc. (Sunnyvale, Calif.) and The Board of Trustees of the University of Illinois (Urbana, Ill.).
"Enhanced security for existing public key infrastructure" was invented by Dakshita Khurana (Champaign, Ill.) and Brent Waters (Austin, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, methods, network devices, and machine-readable media disclosed herein perform chosen ciphertext attack secure encryption given any public key infrastructure that has been established with only chosen plaintext attack security. The resulting chosen ciphertext attack secure encryption makes black-box use of the...