Communications of the ACM
Cryptographic support for fault-tolerant distributed computing
EW 7 Proceedings of the 7th workshop on ACM SIGOPS European workshop: Systems support for worldwide applications
Introduction to the Theory of Computation: Preliminary Edition
Introduction to the Theory of Computation: Preliminary Edition
A Secure Intelligent Trade Agent System
TREC '98 Proceedings of the International IFIP/GI Working Conference on Trends in Distributed Systems for Electronic Commerce
Secure Transactions with Mobile Agents in Hostile Environments
ACISP '00 Proceedings of the 5th Australasian Conference on Information Security and Privacy
Non-Interactive CryptoComputing For NC1
FOCS '99 Proceedings of the 40th Annual Symposium on Foundations of Computer Science
Cryptographic Security for Mobile Code
SP '01 Proceedings of the 2001 IEEE Symposium on Security and Privacy
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As of today no software-only based solution that prevents tampering of the computation of any mobile code and/or agent was presented. It is currently accepted that such a solution cannot be supported unless a minimal trust with an honest third party is provided. This paper shows that under very mild assumptions, there exists such a solution that does not base on this trust assumption. A novel Remote Distributed Scheme (RDS) is described. RDS is based on fault-tolerant and modest cryptographic techniques and that prevents the tampering of any mobile computation that is carried in an honestbut- curious environment ("trusted entities"). We then show, by using on probabilistic techniques, that RDS prevents the tampering of any mobile computation, in any environment, and for any required level of secrecy. We prove that RDS equivalents, and by thus, provides the same level of protection that is supports by the traditional client/server scheme.