131 search results - page 4 / 27 » Revocation Systems with Very Small Private Keys |
VLDB
2007
ACM
14 years 1 months ago
2007
ACM
Imagine that you have been entrusted with private data, such as corporate product information, sensitive government information, or symptom and treatment information about hospita...
PODC
2003
ACM
14 years 22 days ago
2003
ACM
Traitor Tracing Schemes constitute a very useful tool against piracy in the context of digital content broadcast. In such multi-recipient encryption schemes, each decryption key is...
JSAC
2011
13 years 2 months ago
2011
Abstract—In this paper, we propose a distributed key management framework based on group signature to provision privacy in vehicular ad hoc networks (VANETs). Distributed key man...
ASIACRYPT
2004
Springer
13 years 11 months ago
2004
Springer
Group signature schemes are cryptographic systems that provide revocable anonymity for signers. We propose a group signature scheme with constant-size public key and signature leng...
TIT
2008
13 years 7 months ago
2008
We develop a couple of new methods to reduce transmission overheads in broadcast encryption. The methods are based on the idea of assigning one key per each partition using one-way...