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» Some Bounds and a Construction for Secure Broadcast Encrypti...
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ISPEC
2011
Springer
12 years 10 months ago
Traitor Tracing against Public Collaboration
Abstract. Broadcast encryption provides a convenient method to distribute digital content to subscribers over an insecure broadcast channel. Traitor tracing is needed because some ...
Xingwen Zhao, Fangguo Zhang
ICMCS
2007
IEEE
164views Multimedia» more  ICMCS 2007»
14 years 2 months ago
Constructing Secure Content-Dependent Watermarking Scheme using Homomorphic Encryption
Content-dependent watermarking (CDWM) has been proposed as a solution to overcome the potential estimation attack aiming to recover and remove the watermark from the host signal. ...
Zhi Li, Xinglei Zhu, Yong Lian, Qibin Sun
LATINCRYPT
2010
13 years 6 months ago
Broadcast Encryption with Multiple Trust Authorities
Abstract. In this paper we extend the notion of hierarchical identitybased encryption with wildcards (WIBE) from the domain of a single Trusted Authority (TA) to a setting with mul...
Kent D. Boklan, Alexander W. Dent, Christopher A. ...
IACR
2011
94views more  IACR 2011»
12 years 7 months ago
After-the-Fact Leakage in Public-Key Encryption
What does it mean for an encryption scheme to be leakage-resilient? Prior formulations require that the scheme remains semantically secure even in the presence of leakage, but onl...
Shai Halevi, Huijia Lin
CCS
2009
ACM
14 years 8 months ago
A generic construction of useful client puzzles
Denial of Service (DoS) attacks are serious threats for network societies. For dealing with DoS attacks, Jakobsson and Juels first proposed the notion of useful client puzzles (UC...
Rui Zhang 0002, Goichiro Hanaoka, Hideki Imai