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FC
2006
Springer
153views Cryptology» more  FC 2006»
14 years 3 months ago
Revisiting Oblivious Signature-Based Envelopes
Secure, anonymous and unobservable communication is becoming increasingly important due to the gradual erosion of privacy in many aspects of everyday life. This prompts the need f...
Samad Nasserian, Gene Tsudik
FC
2006
Springer
139views Cryptology» more  FC 2006»
14 years 3 months ago
Defeating Malicious Servers in a Blind Signatures Based Voting System
In this paper, we present two failures in the blind signatures based voting system Votopia [2] which has been tested during the last World Soccer Cup. We then propose a fix which r...
Sébastien Canard, Matthieu Gaud, Jacques Tr...
FC
2006
Springer
147views Cryptology» more  FC 2006»
14 years 3 months ago
Timed-Release and Key-Insulated Public Key Encryption
In this paper we consider two security notions related to Identity Based Encryption: Key-insulated public key encryption, introduced by Dodis, Katz, Xu and Yung; and Timed-Release ...
Jung Hee Cheon, Nicholas Hopper, Yongdae Kim, Ivan...
FC
2006
Springer
108views Cryptology» more  FC 2006»
14 years 3 months ago
Uncheatable Reputation for Distributed Computation Markets
Reputation systems aggregate mutual feedback of interacting peers into a "reputation" metric for each participant. This is then available to prospective service "req...
Bogdan Carbunar, Radu Sion
FC
2006
Springer
96views Cryptology» more  FC 2006»
14 years 3 months ago
Privacy in Encrypted Content Distribution Using Private Broadcast Encryption
In many content distribution systems it is important both to restrict access to content to authorized users and to protect the identities of these users. We discover that current s...
Adam Barth, Dan Boneh, Brent Waters
FC
2006
Springer
129views Cryptology» more  FC 2006»
14 years 3 months ago
Phoolproof Phishing Prevention
Abstract. Phishing, or web spoofing, is a growing problem: the Anti-Phishing Working Group (APWG) received almost 14,000 unique phishing reports in August 2005, a 56% jump over the...
Bryan Parno, Cynthia Kuo, Adrian Perrig
FC
2006
Springer
119views Cryptology» more  FC 2006»
14 years 3 months ago
Auditable Privacy: On Tamper-Evident Mix Networks
Abstract. We introduce the notion of tamper-evidence for mix networks in order to defend against attacks aimed at covertly leaking secret information held by corrupted mix servers....
Jong Youl Choi, Philippe Golle, Markus Jakobsson
FC
2006
Springer
94views Cryptology» more  FC 2006»
14 years 3 months ago
Private Policy Negotiation
With the increasing importance of correctly handling privacy-sensitive data, significant work has been put in expressing and enforcing privacy policies. Less work has been done ho...
Klaus Kursawe, Gregory Neven, Pim Tuyls