Patent ID: 8312271

Claim:
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 the sum of a internal and external components of 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 that it knows the signature on one of the plurality of configuration values without the configuration of the computing platform being revealed to or known by the verifier wherein the method being performed by a computing system; and further comprising the computing platform checking whether the number of received configuration values in the plurality of configuration values exceeds a minimum number of configuration values, and terminating the method if the number of received configuration values does not exceed the minimum number of configuration values.