Patent ID: 8892900
Filing Date: 2014-11-18
Classification: H04L

Abstract:
1. A method of privacy-protecting integrity attestation of a computing platform having a trusted platform module, comprising: receiving a plurality of configuration values, wherein a configuration value is a representation of a sum of internal and external components of the computing platform that constitutes a configuration of the computing platform, determining by means of the trusted platform module a particular configuration value depending on the configuration of the computing platform, signing by means of the trusted platform module the particular configuration value with a signature, in an event that the particular configuration value is one of the plurality of configuration values, the computing platform proving to a verifier by a proof not containing any knowledge about the configuration of the computing platform that it knows the signature on one of the plurality of configuration values without the configuration of the computing platform in any form being revealed to or known by the verifier wherein the method being performed by a computing system, and further comprising: wherein after receiving the plurality of configuration values the computing platform checking whether configurations having the configuration values of the plurality of configuration values actually may exist, and terminating the method if at least one configuration value may not exist.