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CRYPTO
15 years 2 months ago
2004 Springer 
In the bare public-key model (BPK in short), each verifier is assumed to have deposited a public key in a file that is accessible by all users at all times. In this model, intro...
CRYPTO
15 years 2 months ago
2004 Springer 
We propose the first distributed discrete-log key generation (DLKG) protocol from scratch which is adaptively-secure in the non-erasure model, and at the same time completely avoi...
CRYPTO
15 years 2 months ago
2004 Springer
Abstract. In this paper we propose a new key recovery attack on irregular clocked keystream generators where the stream is filtered by a nonlinear Boolean function. We show that t...
CRYPTO
15 years 2 months ago
2004 Springer
Unconditionally secure multi-party computations in general, and broadcast in particular, are impossible if any third of the players can be actively corrupted and if no additional i...
CRYPTO
15 years 2 months ago
2004 Springer
We construct two efficient Identity Based Encryption (IBE) systems that are selective identity secure without the random oracle model. Selective identity secure IBE is a slightly w...
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Cryptology