Security without identification: transaction systems to make big brother obsolete
Communications of the ACM
Communications of the ACM
A method for obtaining digital signatures and public-key cryptosystems
Communications of the ACM
Anonymity, unobservability, and pseudeonymity — a proposal for terminology
International workshop on Designing privacy enhancing technologies: design issues in anonymity and unobservability
Fair use, DRM, and trusted computing
Communications of the ACM - Digital rights management
DRM, trusted computing and operating system architecture
ACSW Frontiers '05 Proceedings of the 2005 Australasian workshop on Grid computing and e-research - Volume 44
E.cient Aggregation of encrypted data in Wireless Sensor Networks
MOBIQUITOUS '05 Proceedings of the The Second Annual International Conference on Mobile and Ubiquitous Systems: Networking and Services
Improved proxy re-encryption schemes with applications to secure distributed storage
ACM Transactions on Information and System Security (TISSEC)
Fully homomorphic encryption using ideal lattices
Proceedings of the forty-first annual ACM symposium on Theory of computing
Taking account of privacy when designing cloud computing services
CLOUD '09 Proceedings of the 2009 ICSE Workshop on Software Engineering Challenges of Cloud Computing
Proceedings of the 9th Symposium on Identity and Trust on the Internet
Privacy-Preserving DRM for Cloud Computing
WAINA '12 Proceedings of the 2012 26th International Conference on Advanced Information Networking and Applications Workshops
Privacy-Preserving Digital Rights Management in a Trusted Cloud Environment
TRUSTCOM '12 Proceedings of the 2012 IEEE 11th International Conference on Trust, Security and Privacy in Computing and Communications
Proxy re-encryption in a privacy-preserving cloud computing DRM scheme
CSS'12 Proceedings of the 4th international conference on Cyberspace Safety and Security
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We present a privacy-friendly architecture for a future cloud computing scenario where software licensing and software payment plays a major role. We show how digital rights management as a technical solution for software licensing can be achieved in a privacy-friendly manner. In our scenario, users who buy software from software providers and execute it at computing centres stay anonymous. At the same time, our approach guarantees that software licences are bound to users and that their validity is checked before execution. Thus, digital rights management constitutes an incentive for software providers to take part in such a future cloud computing scenario. We employ a software re-encryption scheme so that computing centres are not able to build profiles of their users - not even under a pseudonym. We make sure that malicious users are unable to relay software to others.