ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,462,034, issued on Nov. 4, was assigned to Microsoft Technology Licensing LLC (Redmond, Wash.).
"Fuse based replay protection with conservative fuse usage" was invented by Ling Tony Chen (Bellevue, Wash.), Felix Domke (Lubeck, Germany), Ankur Choudhary (Redmond, Wash.) and Bradley Joseph Litterell (Bellevue, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A TPM is implemented in an SOC for thwarting PIN state replay attacks. Programmable fuses are used as a counter and an on-die RAM stores a blown-fuse count and a TPM state that includes a PIN-failure count and a fuse count. TPM initialization includes incrementing the TPM state PIN-failure count if...