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» On Anonymity of Group Signatures
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IWSEC
2009
Springer
15 years 8 months ago
ID-Based Group Password-Authenticated Key Exchange
Abstract—Password-authenticated key exchange (PAKE) protocols are designed to be secure even when the secret key used for authentication is a human-memorable password. In this pa...
Xun Yi, Raylin Tso, Eiji Okamoto
MOC
1998
93views more  MOC 1998»
15 years 1 months ago
Computing ray class groups, conductors and discriminants
We use the algorithmic computation of exact sequences of Abelian groups to compute the complete structure of (ZK /m)∗ for an ideal m of a number field K, as well as ray class gr...
Henri Cohen, Francisco Diaz y Diaz, Michel Olivier
AMC
2005
147views more  AMC 2005»
15 years 1 months ago
Cryptanalysis of and improvement on the Hwang-Chen multi-proxy multi-signature schemes
Hwang and Chen recently proposed new multi-proxy multi-signature schemes that allow a group of authorized proxy signers to sign messages on behalf of a group of original signers. ...
Yuh-Dauh Lyuu, Ming-Luen Wu
CN
2007
172views more  CN 2007»
15 years 1 months ago
Threshold cryptography in P2P and MANETs: The case of access control
Ad hoc groups, such as peer-to-peer (P2P) systems and mobile ad hoc networks (MANETs) represent recent technological advancements. They support low-cost, scalable and fault-tolera...
Nitesh Saxena, Gene Tsudik, Jeong Hyun Yi
WWW
2008
ACM
15 years 1 months ago
Divide, Compress and Conquer: Querying XML via Partitioned Path-Based Compressed Data Blocks
We propose a novel Partition Path-Based (PPB) grouping strategy to store compressed XML data in a stream of blocks. In addition, we employ a minimal indexing scheme called Block S...
Wilfred Ng, Ho Lam Lau, Aoying Zhou