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JOC
2007
133views more  JOC 2007»
13 years 7 months ago
Trapdoor Hard-to-Invert Group Isomorphisms and Their Application to Password-Based Authentication
In the security chain the weakest link is definitely the human one: human beings cannot remember long secrets and often resort to rather insecure solutions to keep track of their ...
Dario Catalano, David Pointcheval, Thomas Pornin
TCOS
2010
13 years 2 months ago
J-PAKE: Authenticated Key Exchange without PKI
Password Authenticated Key Exchange (PAKE) is one of the important topics in cryptography. It aims to address a practical security problem: how to establish secure communication be...
Feng Hao, Peter Ryan
CRYPTO
2000
Springer
151views Cryptology» more  CRYPTO 2000»
13 years 12 months ago
New Public-Key Cryptosystem Using Braid Groups
Abstract. The braid groups are infinite non-commutative groups naturally arising from geometric braids. The aim of this article is twofold. One is to show that the braid groups ca...
Ki Hyoung Ko, Sangjin Lee, Jung Hee Cheon, Jae Woo...
TCS
2008
13 years 7 months ago
A simple transitive signature scheme for directed trees
Transitive signatures allow a signer to authenticate edges in a graph in such a way that anyone, given the public key and two signatures on adjacent edges (i, j) and (j, k), can c...
Gregory Neven
ICMCS
2007
IEEE
164views Multimedia» more  ICMCS 2007»
14 years 1 months ago
Constructing Secure Content-Dependent Watermarking Scheme using Homomorphic Encryption
Content-dependent watermarking (CDWM) has been proposed as a solution to overcome the potential estimation attack aiming to recover and remove the watermark from the host signal. ...
Zhi Li, Xinglei Zhu, Yong Lian, Qibin Sun