Patent ID: 9298922
Filing Date: 2016-03-29
CPC Classification: G06F,H04L

Claim Text:
1. A method of remotely attesting to a state of a computer system, comprising: the computer system: storing data specific to the computer system in a set of Platform Configuration Registers (PCRs), wherein the data specific to the computer system includes computer specific measurements of a current configuration of the computer, the computer specific measurements including at least public key data used for establishing a communications channel, and wherein the data specific to the computer system comprises dynamic data associated with the computer system that is generated continuously as the computer system is running, wherein the dynamic data comprises: a network dynamic IP address assigned to the computer system; a notification that a user has logged into the computer system; an event occurring on the computer system, the event comprising an error condition detected by the computer system, and wherein the dynamic data relates to at least one of: an execution or a termination of a program running on the computer system; and receiving an attestation challenge from a remote computer system; and responding to the attestation challenge using the data specific to the computer system.