Challenges for Trusted Computing by Shane Balfe, Eimear Gallery, Chris J. Mitchell and Kenneth G. Paterson Abstract: This article identifies and discusses some of the key challenges that need to be addressed if the vision of Trusted Computing is to become reality. Topics addressed include issues with setting up and maintaining the PKI required to support the full set of Trusted Computing functionality, the practical use and verification of attestation evidence, and backwards compatibility, usability and compliance issues.