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» Cryptography in the Bounded-Quantum-Storage Model
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TCC
2009
Springer
116views Cryptology» more  TCC 2009»
14 years 8 months ago
Simulation-Based Concurrent Non-malleable Commitments and Decommitments
Abstract. In this paper we consider commitment schemes that are secure against concurrent man-in-the-middle (cMiM) attacks. Under such attacks, two possible notions of security for...
Rafail Ostrovsky, Giuseppe Persiano, Ivan Visconti
PKC
2009
Springer
210views Cryptology» more  PKC 2009»
14 years 8 months ago
Controlling Access to an Oblivious Database Using Stateful Anonymous Credentials
In this work, we consider the task of allowing a content provider to enforce complex access control policies on oblivious protocols conducted with anonymous users. As our primary ...
Scott E. Coull, Matthew Green, Susan Hohenberger
PKC
2009
Springer
166views Cryptology» more  PKC 2009»
14 years 8 months ago
Security of Blind Signatures under Aborts
We explore the security of blind signatures under aborts where the user or the signer may stop the interactive signature issue protocol prematurely. Several works on blind signatur...
Dominique Schröder, Marc Fischlin
PKC
2009
Springer
116views Cryptology» more  PKC 2009»
14 years 8 months ago
Improving the Boneh-Franklin Traitor Tracing Scheme
Abstract. Traitor tracing schemes are cryptographically secure broadcast methods that allow identification of conspirators: if a pirate key is generated by k traitors out of a stat...
Pascal Junod, Alexandre Karlov, Arjen K. Lenstra
PKC
2009
Springer
172views Cryptology» more  PKC 2009»
14 years 8 months ago
CCA-Secure Proxy Re-encryption without Pairings
ded abstract of this paper appears in PKC 2009, S. Jarecki, G. Tsudik (Eds.), volume 5443 of LNCS, pp. 357-376, Sringer-Verlag, 2009. CCA-Secure Proxy Re-Encryption without Pairing...
Jun Shao, Zhenfu Cao