US Patent Issued to Dell Products on March 18 for "Disallowing reads on files associated with compromised data encryption keys" (American, Indian Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,254,108, issued on March 18, was assigned to Dell Products LP (Round Rock, Texas).

"Disallowing reads on files associated with compromised data encryption keys" was invented by Nitin Madan (Cupertino, Calif.), Srisailendra Yallapragada (Cupertino, Calif.), Mahadev Karadigudda (San Jose, Calif.), Madhu Agrahara Gopalakrishna (Fremont, Calif.) and Srikanth Srinivasan (Bangalore, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of blocking access to files encrypted with a compromised key by mapping keys and ranges of containers encrypted by the keys. Upon notification that a key is compromised, fencing a container range corresponding to data ...