196views more  IACR 2011»
12 years 6 months ago
Multiparty Computation with Low Communication, Computation and Interaction via Threshold FHE
Fully homomorphic encryption (FHE) provides a simple template for secure computation between two parties (Alice and Bob) where: (I) Alice encrypts her input under her key, (II) Bo...
Gilad Asharov, Abhishek Jain, Daniel Wichs
96views more  FI 2011»
13 years 2 months ago
A Distributed Public Key Infrastructure Based on Threshold Cryptography for the HiiMap Next Generation Internet Architecture
: In this article, a security extension for the HiiMap Next Generation Internet Architecture is presented. We regard a public key infrastructure which is integrated into the mappin...
Oliver Hanka, Michael Eichhorn, Martin Pfannenstei...
74views Education» more  CORR 2002»
13 years 7 months ago
A logical reconstruction of SPKI
SPKI/SDSI is a proposed public key infrastructure standard that incorporates the SDSI public key infrastructure. SDSI's key innovation was the use of local names. We previous...
Joseph Y. Halpern, Ron van der Meyden
112views more  COMPSEC 2000»
13 years 7 months ago
Securing The Electronic Market: The KEYSTONE Public Key Infrastructure Architecture
paper, the unified, abstract KEYSTONE Public Key Infrastructure is presented.This architecture consists of a reference model, a functional architecture specification, and a set of ...
Stefanos Gritzalis, Sokratis K. Katsikas, Dimitrio...
145views more  IJNSEC 2008»
13 years 7 months ago
Efficient Certificateless Authentication and Key Agreement (CL-AK) for Grid Computing
Most of the current security architectures for grid systems use conventional public key infrastructure (PKI) to authenticate grid members and to secure resource allocation to thes...
Shengbao Wang, Zhenfu Cao, Haiyong Bao
120views Communications» more  CMS 2003»
13 years 8 months ago
Extending the SDSI / SPKI Model through Federation Webs
Classic security systems use a trust model centered in the authentication procedure, which depends on a naming service. Even when using a Public Key Infrastructure as X.509, such s...
Altair Olivo Santin, Joni da Silva Fraga, Carlos M...
13 years 8 months ago
PKI - Advantages and Obstacles
Electronic communications have become the most important kind of communications in business. However, trust, privacy and security have become the great challenges for business and...
A. Jancic, Matthew J. Warren
13 years 8 months ago
A Model to support SPKI Federations management through XKMS
The purpose of the XML Key Management Specification (XKMS) is to facilitate the use of a Public Key Infrastructure (PKI) by transferring the complexity associated with PKI to a t...
Michelle S. Wangham, Emerson Ribeiro de Mello, Jon...
13 years 9 months ago
Identity-based encryption with efficient revocation
Identity-based encryption (IBE) is an exciting alternative to public-key encryption, as IBE eliminates the need for a Public Key Infrastructure (PKI). Any setting, PKI- or identit...
Alexandra Boldyreva, Vipul Goyal, Virendra Kumar
13 years 11 months ago
Personal Security Agent: KQML-Based PKI
Certificate management infrastructure, a.k.a. PKI (Public Key Infrastructure), which issues and provides access to public key certificates to preserve the integrity of a public ke...
Qi He, Katia P. Sycara, Timothy W. Finin