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CRYPTO
2010
Springer
13 years 6 months ago
2010
Springer
Coin-tossing protocols are protocols that generate a random bit with uniform distribution. These protocols are used as a building block in many cryptographic protocols. Cleve [STOC...
PAIRING
2010
Springer
13 years 4 months ago
2010
Springer
Lewko and Waters [Eurocrypt 2010] presented a fully secure HIBE with short ciphertexts. In this paper we show how to modify their construction to achieve anonymity. We prove the s...
ASIACRYPT
2010
Springer
13 years 3 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...
EUROCRYPT
2010
Springer
13 years 11 months ago
2010
Springer
We construct the first public-key encryption scheme that is proven secure (in the standard model, under standard assumptions) even when the attacker gets access to encryptions of ...
CTRSA
2009
Springer
14 years 1 months ago
2009
Springer
Proxy re-encryption (PRE) allows a proxy to convert a ciphertext encrypted under one key into an encryption of the same message under another key. The main idea is to place as lit...