64 search results - page 4 / 13 » Proxy Cryptography Revisited |
86
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FC
2009
Springer
15 years 4 months ago
2009
Springer
We present a cryptographic protocol for conducting efficient, provably correct and secrecy-preserving combinatorial clock-proxy auctions. The “clock phase” functions as a trust...
103
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PKC
2009
Springer
15 years 10 months ago
2009
Springer
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...
EUROCRYPT
2004
Springer
15 years 2 months ago
2004
Springer
We revisit the following open problem in information-theoretic cryptography: Does the communication complexity of unconditionally secure computation depend on the computational com...
CRYPTO
2010
Springer
14 years 10 months ago
2010
Springer
Motivated by the question of basing cryptographic protocols on stateless tamper-proof hardware tokens, we revisit the question of unconditional two-prover zero-knowledge proofs fo...
ITCC
2005
IEEE
15 years 3 months ago
2005
IEEE
As a general design criterion, a symmetric key cipher should not be closed under functional composition due to the implications on the security of the cipher. However, there are s...