Method and apparatus for scalable integrity attestation in virtualization environments

摘要: (57) ABSTRACT A computer implemented method for logging extensions to platform configuration registers inside a trusted platform module instance is provided. A request to extend the current state of at least one of a plurality of platform configuration register is received. At least one platform configuration reg ister within the trusted platform module instance is extended. The extension of the at least one platform configuration reg ister is logged inside the trusted platform module instance as a logged entry by storing at least a tuple of platform configu ration register indexes and hash values used for extending the platform configuration register. Information about new entries in the consolidated logs can be retrieved by polling or by Subscribing to events that are automatically generated. A report of an extend operation and its logged hash value is sent to subscribers interested in receiving notifications of extend …