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» Public Key Encryption and Encryption Emulation Attacks
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111
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ASIACRYPT
2009
Springer
15 years 9 months ago
Group Encryption: Non-interactive Realization in the Standard Model
Group encryption (GE) schemes, introduced at Asiacrypt’07, are an encryption analogue of group signatures with a number of interesting applications. They allow a sender to encryp...
Julien Cathalo, Benoît Libert, Moti Yung
118
Voted
CCS
2009
ACM
16 years 3 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
102
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SP
2009
IEEE
15 years 9 months ago
Privacy Weaknesses in Biometric Sketches
The increasing use of biometrics has given rise to new privacy concerns. Biometric encryption systems have been proposed in order to alleviate such concerns: rather than comparing...
Koen Simoens, Pim Tuyls, Bart Preneel
165
Voted
CTRSA
2012
Springer
285views Cryptology» more  CTRSA 2012»
13 years 10 months ago
Plaintext-Checkable Encryption
We study the problem of searching on encrypted data, where the search is performed using a plaintext message or a keyword, rather than a message-specific trapdoor as done by state...
Sébastien Canard, Georg Fuchsbauer, Aline G...
84
Voted
IEICET
2010
105views more  IEICET 2010»
15 years 1 months ago
Between Hashed DH and Computational DH: Compact Encryption from Weaker Assumption
In this paper, we introduce the intermediate hashed Diffie-Hellman (IHDH) assumption which is weaker than the hashed DH (HDH) assumption (and thus the decisional DH assumption), a...
Goichiro Hanaoka, Kaoru Kurosawa