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» Generalized Identity Based and Broadcast Encryption Schemes
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IJCMAM
2010
160views more  IJCMAM 2010»
13 years 4 months ago
Exploring Type-and-Identity-Based Proxy Re-Encryption Scheme to Securely Manage Personal Health Records
Commercial Web-based Personal-Health Record (PHR) systems can help patients to share their personal health records (PHRs) anytime from anywhere. PHRs are very sensitive data and an...
Luan Ibraimi, Qiang Tang, Pieter H. Hartel, Willem...
IJNSEC
2007
107views more  IJNSEC 2007»
13 years 7 months ago
A Traitor Tracing Scheme Based on the RSA System
Traitor tracing schemes constitute a very useful tool against piracy in the context of digital content broadcast. In such multi-recipient encryption schemes, the data-suppliers ca...
Bo Yang, Hua Ma, Shenglin Zhu
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
ACNS
2005
Springer
167views Cryptology» more  ACNS 2005»
14 years 1 months ago
Identity Based Encryption Without Redundancy
This paper presents a first example of secure identity based encryption scheme (IBE) without redundancy in the sense of Phan and Pointcheval. This modification of the Boneh-Frank...
Benoît Libert, Jean-Jacques Quisquater
AFRICACRYPT
2009
Springer
13 years 11 months ago
Certified Encryption Revisited
The notion of certified encryption had recently been suggested as a suitable setting for analyzing the security of encryption against adversaries that tamper with the key-registrat...
Pooya Farshim, Bogdan Warinschi