Patent ID: 9307411
Filing Date: 2016-04-05
CPC Classification: G06F,G09C,H04L,H04W

Claim Text:
1. A method comprising: triggering, with a trusted application of a mobile device from a number of trusted applications, an attestation of the trusted application with a trusted platform module of the mobile device, wherein the number of trusted applications permitted to trigger attestation is restricted to a predefined maximum number; in response to the triggering, defining, by the mobile device, information comprising a value of a dynamic virtualized platform configuration register, where the platform configuration register comprises an aggregate of late-launched measurements from the trusted application and at least one other trusted application, where the aggregate of the measurements from the trusted application and the at least one other trusted application is in a successive order of measurement in the platform configuration register, and where the value of the platform configuration register depends on measurements in the aggregate of measurements of the trusted application triggering the attestation; and using the information comprising the value of the dynamic virtualized platform configuration register to perform the attestation and execute the trusted application.