EUROCRYPT
15 years 20 days ago
2006 Springer 
We show that, in the ideal-cipher model, triple encryption (the cascade of three independently-keyed blockciphers) is more secure than single or double encryption, thereby resolvin...
EUROCRYPT
15 years 20 days ago
2006 Springer 
We present an Identity Based Encryption (IBE) system that is fully secure in the standard model and has several advantages over previous such systems
EUROCRYPT
15 years 20 days ago
2006 Springer
We construct a fully collusion resistant tracing traitors system with sublinear size ciphertexts and constant size private keys. More precisely, let N be the total number of users...
EUROCRYPT
15 years 20 days ago
2006 Springer
We present the first efficient group signature scheme that is provably secure without random oracles. We achieve this result by combining provably secure hierarchical signatures i...
EUROCRYPT
15 years 20 days ago
2006 Springer 
To prove that a secure key-agreement protocol exists one must at least show P = NP. Moreover any proof that the sequential composition of two non-adaptively secure pseudorandom fun...
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Cryptology