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» Threshold Encryption into Multiple Ciphertexts
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CCS
2007
ACM
13 years 10 months ago
Provably secure ciphertext policy ABE
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...
Ling Cheung, Calvin C. Newport
LATINCRYPT
2010
13 years 3 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. ...
DCC
2010
IEEE
13 years 4 months ago
Efficient hybrid encryption from ID-based encryption
This paper deals with generic transformations from ID-based key encapsulation mechanisms (IBKEM) to hybrid public-key encryption (PKE). The best generic transformation known until...
Masayuki Abe, Yang Cui, Hideki Imai, Eike Kiltz
ICDCS
2005
IEEE
13 years 10 months ago
Distributed Blinding for Distributed ElGamal Re-Encryption
A protocol is given to take an ElGamal ciphertext encrypted under the key of one distributed service and produce the corresponding ciphertext encrypted under the key of another di...
Lidong Zhou, Michael A. Marsh, Fred B. Schneider, ...
PKC
2004
Springer
106views Cryptology» more  PKC 2004»
13 years 10 months ago
On the Security of Multiple Encryption or CCA-security+CCA-security=CCA-security?
In a practical system, a message is often encrypted more than once by different encryptions, here called multiple encryption, to enhance its security. Additionally, new features ...
Rui Zhang 0002, Goichiro Hanaoka, Junji Shikata, H...