Security without identification: transaction systems to make big brother obsolete
Communications of the ACM
Untraceable electronic mail, return addresses, and digital pseudonyms
Communications of the ACM
Web MIXes: a system for anonymous and unobservable Internet access
International workshop on Designing privacy enhancing technologies: design issues in anonymity and unobservability
SAC '99 Proceedings of the 6th Annual International Workshop on Selected Areas in Cryptography
CRYPTO '88 Proceedings of the 8th Annual International Cryptology Conference on Advances in Cryptology
Efficient Group Signature Schemes for Large Groups (Extended Abstract)
CRYPTO '97 Proceedings of the 17th Annual International Cryptology Conference on Advances in Cryptology
A Practical Secret Voting Scheme for Large Scale Elections
ASIACRYPT '92 Proceedings of the Workshop on the Theory and Application of Cryptographic Techniques: 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
A Verifiable Secret Shuffle of Homomorphic Encryptions
PKC '03 Proceedings of the 6th International Workshop on Theory and Practice in Public Key Cryptography: Public Key Cryptography
A Practical and Provably Secure Coalition-Resistant Group Signature Scheme
CRYPTO '00 Proceedings of the 20th Annual International Cryptology Conference on Advances in Cryptology
Remote Physical Device Fingerprinting
IEEE Transactions on Dependable and Secure Computing
User interfaces for privacy agents
ACM Transactions on Computer-Human Interaction (TOCHI)
Tor: the second-generation onion router
SSYM'04 Proceedings of the 13th conference on USENIX Security Symposium - Volume 13
Ciphertext-Policy Attribute-Based Encryption
SP '07 Proceedings of the 2007 IEEE Symposium on Security and Privacy
Privacy policy enforcement in enterprises with identity management solutions
Journal of Computer Security - Privacy, Security and Trust (PST) Technologies: Evolution and Challenges
A robust and verifiable cryptographically secure election scheme
SFCS '85 Proceedings of the 26th Annual Symposium on Foundations of Computer Science
An Efficient Anonymous Credential System
Financial Cryptography and Data Security
Revocable Group Signature Schemes with Constant Costs for Signing and Verifying
Irvine Proceedings of the 12th International Conference on Practice and Theory in Public Key Cryptography: PKC '09
Universally Composable Adaptive Priced Oblivious Transfer
Pairing '09 Proceedings of the 3rd International Conference Palo Alto on Pairing-Based Cryptography
Randomizable Proofs and Delegatable Anonymous Credentials
CRYPTO '09 Proceedings of the 29th Annual International Cryptology Conference on Advances in Cryptology
Oblivious transfer with access control
Proceedings of the 16th ACM conference on Computer and communications security
ShadowWalker: peer-to-peer anonymous communication using redundant structured topologies
Proceedings of the 16th ACM conference on Computer and communications security
Survey on anonymous communications in computer networks
Computer Communications
Interactive bi-proof systems and undeniable signature schemes
EUROCRYPT'91 Proceedings of the 10th annual international conference on Theory and application of cryptographic techniques
EUROCRYPT'91 Proceedings of the 10th annual international conference on Theory and application of cryptographic techniques
EUROCRYPT'03 Proceedings of the 22nd international conference on Theory and applications of cryptographic techniques
A practical system for globally revoking the unlinkable pseudonyms of unknown users
ACISP'07 Proceedings of the 12th Australasian conference on Information security and privacy
A card requirements language enabling privacy-preserving access control
Proceedings of the 15th ACM symposium on Access control models and technologies
Security/trustworthiness assessment of platforms
Digital privacy
Scramble! your social network data
PETS'11 Proceedings of the 11th international conference on Privacy enhancing technologies
A comprehensive framework enabling data-minimizing authentication
Proceedings of the 7th ACM workshop on Digital identity management
An adaptively secure mix-net without erasures
ICALP'06 Proceedings of the 33rd international conference on Automata, Languages and Programming - Volume Part II
Policy-based cryptography and applications
FC'05 Proceedings of the 9th international conference on Financial Cryptography and Data Security
Foundations of group signatures: the case of dynamic groups
CT-RSA'05 Proceedings of the 2005 international conference on Topics in Cryptology
Unlinkable priced oblivious transfer with rechargeable wallets
FC'10 Proceedings of the 14th international conference on Financial Cryptography and Data Security
Balancing accountability and privacy using e-cash (extended abstract)
SCN'06 Proceedings of the 5th international conference on Security and Cryptography for Networks
Electronic Identities Need Private Credentials
IEEE Security and Privacy
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When using the Internet, we reveal much personal information both willingly and indadvertedly. Companies use this information for targeted advertisement and thereby to finance the services they offer to users. The mechanisms used today to protect users' personal information are lacking resulting in far too frequent privacy and security breaches that put the users at risk. In this article we argue that applications on the Internet should be built with privacy and security as a mandatory requirement, then provide an overview of the state of the art in privacy-enhancing mechanisms, and conclude with a roadmap towards a privacy-enhanced digital world, and pointing out a number of challenges that need to be solved.