Securing Grid Workflows with Trusted Computing

Authors:
Po-Wah Yau;Allan Tomlinson;Shane Balfe;Eimear Gallery
Affiliations:
Information Security Group Royal Holloway, University of London, Egham, Surrey, UK TW20 0EX;Information Security Group Royal Holloway, University of London, Egham, Surrey, UK TW20 0EX;Information Security Group Royal Holloway, University of London, Egham, Surrey, UK TW20 0EX;Information Security Group Royal Holloway, University of London, Egham, Surrey, UK TW20 0EX
Venue:
ICCS '08 Proceedings of the 8th international conference on Computational Science, Part III
Year:
2008

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Abstract

We propose a novel scheme that uses Trusted Computing technology to secure Grid workflows. This scheme allows the selection of trustworthy resource providers based on their platform states. The integrity and confidentiality of workflow jobs are provided using cryptographic keys that can only be accessed when resource provider platforms are in trustworthy states. In addition, platform attestation is used to detect potential workflow execution problems, and the information collected can be used for process provenance.