62 search results - page 8 / 13 » Hierarchical Threshold Secret Sharing |
CCS
2007
ACM
14 years 1 months ago
2007
ACM
In ciphertext policy attribute-based encryption (CP-ABE), every secret key is associated with a set of attributes, and every ciphertext is associated with an access structure on a...
NETWORKING
2004
13 years 9 months ago
2004
We present an efficient authenticated and fault-tolerant protocol (AFTD) for tree-based key agreement. Our approach is driven by the insight that when a Diffie-Hellman blinded key ...
MTA
2007
13 years 7 months ago
2007
This paper addresses the problem of ensuring the integrity of a digital video and presents a scalable signature scheme for video authentication based on cryptographic secret sharin...
RAID
2000
Springer
13 years 11 months ago
2000
Springer
Abstract. Privacy and surveillance by intrusion detection are potentially conflicting organizational and legal requirements. In order to support a balanced solution, audit data is ...
ACNS
2003
Springer
14 years 27 days ago
2003
Springer
Distributed key generation is one of the most challenging tasks for threshold cryptosystems. Designing such a protocol and proving its security against a malicious, adaptive adver...