ALEXANDRIA, Va., March 24 -- United States Patent no. 12,585,547, issued on March 24, was assigned to Dell Products LP (Round Rock, Texas).
"Cryptographic method to certify retention lock status with an embedded verification log in a backup system" was invented by Salil Dangi (Mission Viejo, Calif.) and Nitin Madan (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The retention lock (RL) status for a backup file stored in a storage target is certified by obtaining the RL status and encrypting it using an encryption key process to create a certified RL status. Verification logs are kept by appending the time of certification to a new token that can be audited. Each time a certification is attem...