Design and implementation of the idemix anonymous credential system
Proceedings of the 9th ACM conference on Computer and communications security
Relations Among Notions of Security for Public-Key Encryption Schemes
CRYPTO '98 Proceedings of the 18th Annual International Cryptology Conference on Advances in Cryptology
An Efficient System for Non-transferable Anonymous Credentials with Optional Anonymity Revocation
EUROCRYPT '01 Proceedings of the International Conference on the Theory and Application of Cryptographic Techniques: Advances in Cryptology
Key-Privacy in Public-Key Encryption
ASIACRYPT '01 Proceedings of the 7th International Conference on the Theory and Application of Cryptology and Information Security: Advances in Cryptology
Bigtable: a distributed storage system for structured data
OSDI '06 Proceedings of the 7th USENIX Symposium on Operating Systems Design and Implementation - Volume 7
Predicate Privacy in Encryption Systems
TCC '09 Proceedings of the 6th Theory of Cryptography Conference on Theory of Cryptography
Efficient data structures for tamper-evident logging
SSYM'09 Proceedings of the 18th conference on USENIX security symposium
FC'10 Proceedings of the 14th international conference on Financial cryptograpy and data security
Side Channels in Cloud Services: Deduplication in Cloud Storage
IEEE Security and Privacy
Efficient tamper-evident data structures for untrusted servers
Efficient tamper-evident data structures for untrusted servers
Enabling security in cloud storage SLAs with CloudProof
USENIXATC'11 Proceedings of the 2011 USENIX conference on USENIX annual technical conference
A comprehensive framework enabling data-minimizing authentication
Proceedings of the 7th ACM workshop on Digital identity management
Off-line keyword guessing attacks on recent keyword search schemes over encrypted data
SDM'06 Proceedings of the Third VLDB international conference on Secure Data Management
Efficient schemes for anonymous yet authorized and bounded use of cloud resources
SAC'11 Proceedings of the 18th international conference on Selected Areas in Cryptography
Identity management through "profiles": prototyping an online information segregation service
HCI'13 Proceedings of the 15th international conference on Human-Computer Interaction: users and contexts of use - Volume Part III
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The Data Track is a transparency-enhancing tool that aims to educate users by providing them with an overview of all their data disclosures. In this paper, we describe a cryptographic scheme for storing all data disclosures tracked by the Data Track centrally in the cloud in a privacy-friendly way. Our scheme allows users to store their data anonymously, while keeping the cloud provider accountable with regard to the integrity of the data. Furthermore, we introduce a separation of concerns for the different components of the Data Track, well suited for tracking data disclosures from semi-trusted devices that may become compromised. We provide an informal evaluation of our scheme and briefly describe a proof of concept implementation.