Sciweavers

204 search results - page 25 / 41
» On Provably Secure Time-Stamping Schemes
Sort
View
ICICS
2009
Springer
14 years 2 months ago
GUC-Secure Join Operator in Distributed Relational Database
Privacy-preserving SQL computation in distributed relational database is one of important applications of secure multiparty computation. In contrast with comparatively more works o...
Yuan Tian, Hao Zhang
ASIACRYPT
2000
Springer
14 years 5 days ago
A Length-Invariant Hybrid Mix
This paper presents a secure and flexible Mix-net that has the following properties; it efficiently handles long plaintexts that exceed the modulus size of underlying public-key e...
Miyako Ohkubo, Masayuki Abe
FC
1998
Springer
83views Cryptology» more  FC 1998»
14 years 2 days ago
Distributed Trustees and Revocability: A Framework for Internet Payment
From von Solms and Naccache's standpoint, constructing a practical and secure e-money system implies a proper regulation of its privacy level. Furthermore, when the system ben...
David M'Raïhi, David Pointcheval
EUROCRYPT
2006
Springer
13 years 11 months ago
Sequential Aggregate Signatures and Multisignatures Without Random Oracles
We present the first aggregate signature, the first multisignature, and the first verifiably encrypted signature provably secure without random oracles. Our constructions derive f...
Steve Lu, Rafail Ostrovsky, Amit Sahai, Hovav Shac...
PKC
2007
Springer
111views Cryptology» more  PKC 2007»
14 years 1 months ago
Optimistic Fair Exchange in a Multi-user Setting
: This paper addresses the security of optimistic fair exchange in a multi-user setting. While the security of public key encryption and public key signature schemes in a single-us...
Yevgeniy Dodis, Pil Joong Lee, Dae Hyun Yum