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» New constructions of fuzzy identity-based encryption
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82
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JUCS
2007
96views more  JUCS 2007»
14 years 10 months ago
Constant Size Ciphertext HIBE in the Augmented Selective-ID Model and its Extensions
At Eurocrypt 2005, Boneh, Boyen and Goh presented a constant size ciphertext hierarchical identity based encryption (HIBE) protocol. Our main contribution is to present a variant ...
Sanjit Chatterjee, Palash Sarkar
85
Voted
CCS
2005
ACM
15 years 3 months ago
Direct chosen ciphertext security from identity-based techniques
We describe a new encryption technique that is secure in the standard model against adaptive chosen ciphertext (CCA2) attacks. We base our method on two very efficient Identity-Ba...
Xavier Boyen, Qixiang Mei, Brent Waters