Privacy Preserving Data Mining
CRYPTO '00 Proceedings of the 20th Annual International Cryptology Conference on Advances in Cryptology
Identity-Based Encryption from the Weil Pairing
CRYPTO '01 Proceedings of the 21st Annual International Cryptology Conference on Advances in Cryptology
Chosen-ciphertext secure proxy re-encryption
Proceedings of the 14th ACM conference on Computer and communications security
How to generate and exchange secrets
SFCS '86 Proceedings of the 27th Annual Symposium on Foundations of Computer Science
Identity-Based Proxy Re-encryption
ACNS '07 Proceedings of the 5th international conference on Applied Cryptography and Network Security
Tracing Malicious Proxies in Proxy Re-encryption
Pairing '08 Proceedings of the 2nd international conference on Pairing-Based Cryptography
Attribute based proxy re-encryption with delegating capabilities
Proceedings of the 4th International Symposium on Information, Computer, and Communications Security
Key-Private Proxy Re-encryption
CT-RSA '09 Proceedings of the The Cryptographers' Track at the RSA Conference 2009 on Topics in Cryptology
Taking account of privacy when designing cloud computing services
CLOUD '09 Proceedings of the 2009 ICSE Workshop on Software Engineering Challenges of Cloud Computing
Hey, you, get off of my cloud: exploring information leakage in third-party compute clouds
Proceedings of the 16th ACM conference on Computer and communications security
Unidirectional chosen-ciphertext secure proxy re-encryption
PKC'08 Proceedings of the Practice and theory in public key cryptography, 11th international conference on Public key cryptography
Constructing an Authentication Token to Access External Services in Service Aggregation
SCC '10 Proceedings of the 2010 IEEE International Conference on Services Computing
Efficient unidirectional proxy re-encryption
AFRICACRYPT'10 Proceedings of the Third international conference on Cryptology in Africa
Special section: software architectures and application development environments for Cloud computing
Software—Practice & Experience
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Cloud computing has increasingly become a new model in the world of computing, and more businesses are moving to the cloud. As a cost-effective and time-efficient way to develop new applications and services, service aggregation in cloud computing empowers all service providers and consumers and creates tremendous opportunities in various industry sectors. However, it also poses various challenges to the privacy of personal information as well as the confidentiality of business and governmental information. The full benefits of service aggregation in cloud computing would only be enjoyed if the privacy concerns are addressed properly. In this paper, we investigate the privacy issues in service aggregation in a cloudenvironment and propose a privacy preserving protocol that is suitable for this environment. To demonstrate the security of our system, we construct a security game called IND-P3SAC-CPA and prove the security of the protocol accordingly. Our protocol has a distinct property that allows any service provider to obtain only the queried data under its conspiracy with the cloud. Additionally, the efficiency and various extensions are also discussed. Copyright © 2011 John Wiley & Sons, Ltd.