62 search results - page 8 / 13 » Hierarchical Threshold Secret Sharing |
CCS
2007
ACM
15 years 3 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...
106
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NETWORKING
2004
14 years 11 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
14 years 9 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
15 years 1 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 ...
116
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ACNS
2003
Springer
15 years 2 months 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...