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» Generalized Certificate Revocation
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133
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ACNS
2004
Springer
167views Cryptology» more  ACNS 2004»
15 years 7 months ago
A Fully-Functional Group Signature Scheme over Only Known-Order Group
The concept of group signature allows a group member to sign message anonymously on behalf of the group. In the event of a dispute, a designated entity can reveal the identity of a...
Atsuko Miyaji, Kozue Umeda
SRDS
2007
IEEE
15 years 10 months ago
Framework for Intrusion Tolerant Certification Authority System Evaluation
Various intrusion tolerant certification authority (CA) systems have been recently proposed to provide attack resistant certificate update/query services. However, it is difficult...
Jingqiang Lin, Jiwu Jing, Peng Liu
134
Voted
CRYPTO
1999
Springer
152views Cryptology» more  CRYPTO 1999»
15 years 8 months ago
An Information Theoretic Analysis of Rooted-Tree Based Secure Multicast Key Distribution Schemes
Several variations of rooted tree based solutions have been recently proposed for member revocation in multicast communications [18, 19, 20, 21]. In this paper, we show that by ass...
Radha Poovendran, John S. Baras
JCP
2006
116views more  JCP 2006»
15 years 4 months ago
Building a Virtual Hierarchy for Managing Trust Relationships in a Hybrid Architecture
Trust models provide a framework to create and manage trust relationships among the different entities of a Public Key Infrastructure (PKI). These trust relationships are verified ...
Cristina Satizábal, Rafael Páez, Jor...
SIGECOM
2005
ACM
130views ECommerce» more  SIGECOM 2005»
15 years 9 months ago
Graceful service degradation (or, how to know your payment is late)
When distributing digital content over a broadcast channel it’s often necessary to revoke users whose access privileges have expired, thus preventing them from recovering the co...
Alexandr Andoni, Jessica Staddon