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» On the Security Notions for Public-Key Encryption Schemes
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PKC
2009
Springer
172views Cryptology» more  PKC 2009»
15 years 10 months ago
CCA-Secure Proxy Re-encryption without Pairings
ded abstract of this paper appears in PKC 2009, S. Jarecki, G. Tsudik (Eds.), volume 5443 of LNCS, pp. 357-376, Sringer-Verlag, 2009. CCA-Secure Proxy Re-Encryption without Pairing...
Jun Shao, Zhenfu Cao
85
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ASIACRYPT
2001
Springer
15 years 2 months ago
How to Leak a Secret
In this paper we formalize the notion of a ring signature, which makes it possible to specify a set of possible signers without revealing which member actually produced the signatu...
Ronald L. Rivest, Adi Shamir, Yael Tauman
IJNSEC
2010
133views more  IJNSEC 2010»
14 years 4 months ago
Verifiable Attribute Based Encryption
In this paper, we construct two verifiable attribute-based encryption (VABE) schemes. One is with a single authority, and the other is with multi authorities. Not only our schemes ...
Qiang Tang, Dongyao Ji
84
Voted
PKC
2009
Springer
102views Cryptology» more  PKC 2009»
15 years 10 months ago
A Practical Key Recovery Attack on Basic TCHo
TCHo is a public key encryption scheme based on a stream cipher component, which is particular suitable for low cost devices like RFIDs. In its basic version, TCHo offers no IND-CC...
Mathias Herrmann, Gregor Leander
ASIACRYPT
2010
Springer
14 years 7 months ago
Structured Encryption and Controlled Disclosure
We consider the problem of encrypting structured data (e.g., a web graph or a social network) in such a way that it can be efficiently and privately queried. For this purpose, we ...
Melissa Chase, Seny Kamara