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DIGITALIZED SIGNATURES AND PUBLIC-KEY FUNCTIONS AS INTRACTABLE AS FACTORIZATION
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k-anonymous message transmission
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Information Processing Letters
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Using client puzzles to protect TLS
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IEEE Internet Computing
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Denial-of-service resistance in key establishment
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SS'07 Proceedings of 16th USENIX Security Symposium on USENIX Security Symposium
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CoNEXT '07 Proceedings of the 2007 ACM CoNEXT conference
Optimal mechanism design and money burning
STOC '08 Proceedings of the fortieth annual ACM symposium on Theory of computing
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Information and Communications Technology Law
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SpringSim '07 Proceedings of the 2007 spring simulation multiconference - Volume 3
A mailbox ownership based mechanism for curbing spam
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Computational challenges in e-commerce
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Email Spam Filtering: A Systematic Review
Foundations and Trends in Information Retrieval
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Pricing electronic mail to solve the problem of spam
Human-Computer Interaction
Timed-Release Encryption Revisited
ProvSec '08 Proceedings of the 2nd International Conference on Provable Security
Our Brothers' Keepers: Secure Routing with High Performance
SSS '08 Proceedings of the 10th International Symposium on Stabilization, Safety, and Security of Distributed Systems
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A middleware system for protecting against application level denial of service attacks
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Proceedings of the forty-first annual ACM symposium on Theory of computing
On Automatically Detecting Malicious Impostor Emails
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Towards Denial-of-Service-Resilient Key Agreement Protocols
ACISP '09 Proceedings of the 14th Australasian Conference on Information Security and Privacy
A survey of learning-based techniques of email spam filtering
Artificial Intelligence Review
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An anti-spam scheme using pre-challenges
Computer Communications
Making Peer-Assisted Content Distribution Robust to Collusion Using Bandwidth Puzzles
ICISS '09 Proceedings of the 5th International Conference on Information Systems Security
HPAKE: Password Authentication Secure against Cross-Site User Impersonation
CANS '09 Proceedings of the 8th International Conference on Cryptology and Network Security
Security Notions and Generic Constructions for Client Puzzles
ASIACRYPT '09 Proceedings of the 15th International Conference on the Theory and Application of Cryptology and Information Security: Advances in Cryptology
ACM Transactions on Computer Systems (TOCS)
A proposal for DoS-defensive internet key exchange
ICCSA'03 Proceedings of the 2003 international conference on Computational science and its applications: PartII
Timed release of standard digital signatures
FC'02 Proceedings of the 6th international conference on Financial cryptography
Fair secure two-party computation
EUROCRYPT'03 Proceedings of the 22nd international conference on Theory and applications of cryptographic techniques
Simulation in quasi-polynomial time, and its application to protocol composition
EUROCRYPT'03 Proceedings of the 22nd international conference on Theory and applications of cryptographic techniques
Information security economics - and beyond
CRYPTO'07 Proceedings of the 27th annual international cryptology conference on Advances in cryptology
Toward non-parallelizable client puzzles
CANS'07 Proceedings of the 6th international conference on Cryptology and network security
Bayesian analysis of secure P2P sharing protocols
OTM'07 Proceedings of the 2007 OTM confederated international conference on On the move to meaningful internet systems: CoopIS, DOA, ODBASE, GADA, and IS - Volume Part II
Magnifying computing gaps: establishing encrypted communication over unidirectional channels
SSS'07 Proceedings of the 9h international conference on Stabilization, safety, and security of distributed systems
Proofs of communication and its application for fighting spam
SOFSEM'08 Proceedings of the 34th conference on Current trends in theory and practice of computer science
Combating spam and denial-of-service attacks with trusted puzzle solvers
ISPEC'08 Proceedings of the 4th international conference on Information security practice and experience
An (almost) constant-effort solution-verification proof-of-work protocol based on Merkle trees
AFRICACRYPT'08 Proceedings of the Cryptology in Africa 1st international conference on Progress in cryptology
A study of spam filtering using support vector machines
Artificial Intelligence Review
DBSec'10 Proceedings of the 24th annual IFIP WG 11.3 working conference on Data and applications security and privacy
Efficient certification path discovery for MANET
EURASIP Journal on Wireless Communications and Networking
Stronger difficulty notions for client puzzles and denial-of-service-resistant protocols
CT-RSA'11 Proceedings of the 11th international conference on Topics in cryptology: CT-RSA 2011
Anonygator: privacy and integrity preserving data aggregation
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Time-lock puzzles in the random oracle model
CRYPTO'11 Proceedings of the 31st annual conference on Advances in cryptology
How to tell if your cloud files are vulnerable to drive crashes
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A middleware system for protecting against application level denial of service attacks
Middleware'06 Proceedings of the 7th ACM/IFIP/USENIX international conference on Middleware
AMPol-Q: adaptive middleware policy to support qos
ICSOC'06 Proceedings of the 4th international conference on Service-Oriented Computing
FC'05 Proceedings of the 9th international conference on Financial Cryptography and Data Security
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EUC'06 Proceedings of the 2006 international conference on Emerging Directions in Embedded and Ubiquitous Computing
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ACNS'05 Proceedings of the Third international conference on Applied Cryptography and Network Security
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SCN'04 Proceedings of the 4th international conference on Security in Communication Networks
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Secure computation without authentication
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ISPEC'10 Proceedings of the 6th international conference on Information Security Practice and Experience
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CRYPTO'06 Proceedings of the 26th annual international conference on Advances in Cryptology
Segmental parameterisation and statistical modelling of e-mail headers for spam detection
Information Sciences: an International Journal
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SybilControl: practical sybil defense with computational puzzles
Proceedings of the seventh ACM workshop on Scalable trusted computing
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ISC'07 Proceedings of the 10th international conference on Information Security
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ISC'12 Proceedings of the 15th international conference on Information Security
Practical client puzzles in the standard model
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Publicly verifiable proofs of sequential work
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Explicit authentication response considered harmful
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Transactions on Large-Scale Data- and Knowledge-centered systems IX
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Computer Networks: The International Journal of Computer and Telecommunications Networking
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We present a computational technique for combatting junk mail in particular and controlling access to a shared resource in general. The main idea is to require a user to compute a moderately hard, but not intractable, function in order to gain access to the resource, thus preventing frivolous use. To this end we suggest several pricing Junctions, based on, respectively, extracting square roots modulo a prime, the Fiat-Shamir signature scheme, and the Ong-Schnorr-Shamir (cracked) signature scheme.