Figure 6From: Securing Embedded Smart Cameras with Trusted ComputingTimeline showing the lifebeat and image timestamping on a camera. and denote the points in UTC time recorded by the CS when the lifebeat request is sent and the response is received. denotes the duration for transmitting the request/response. and are the time durations for the TPM_TickStampBlob and TPM_Quote operations. Using that information, a world time interval can be associated with the image timestamp represented by .Back to article page