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CRYPTO
2009
Springer
14 years 4 months ago
2009
Springer
We study the design of cryptographic primitives resilient to key-leakage attacks, where an attacker can repeatedly and adaptively learn information about the secret key, subject o...
EUROPKI
2009
Springer
13 years 7 months ago
2009
Springer
Efficient zero-knowledge proofs of knowledge (ZK-PoK) are basic building blocks of many cryptographic applications such as identification schemes, group signatures, and secure mult...
ASIACRYPT
2010
Springer
13 years 7 months ago
2010
Springer
We consider the round complexity of a basic cryptographic task: verifiable secret sharing (VSS). This well-studied primitive provides a good "test case" for our understan...
CRYPTO
2011
Springer
12 years 9 months ago
2011
Springer
We present a somewhat homomorphic encryption scheme that is both very simple to describe and analyze, and whose security (quantumly) reduces to the worst-case hardness of problems ...
EUROCRYPT
2009
Springer
14 years 10 months ago
2009
Springer
Recently, at Crypto 2008, Boneh, Halevi, Hamburg, and Ostrovsky (BHHO) solved the longstanding open problem of "circular encryption," by presenting a public key encrypti...