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CRYPTO
2005
Springer
14 years 2 months ago
2005
Springer
In this paper, we continue the study the round complexity of black-box zero knowledge in the bare public-key (BPK, for short) model previously started by Micali and Reyzin in [11]....
CRYPTO
2005
Springer
14 years 2 months ago
2005
Springer
We describe two new public key broadcast encryption systems for stateless receivers. Both systems are fully secure against any number of colluders. In our first construction both...
CRYPTO
2005
Springer
14 years 2 months ago
2005
Springer
We present an improved bound on the advantage of any q-query adversary at distinguishing between the CBC MAC over a random n-bit permutation and a random function outputting n bit...
CRYPTO
2005
Springer
14 years 2 months ago
2005
Springer
We investigate methods for providing easy-to-check proofs of computational effort. Originally intended for discouraging spam, the concept has wide applicability as a method for co...
CRYPTO
2005
Springer
14 years 2 months ago
2005
Springer
A black-box secret sharing scheme (BBSSS) for a given access structure works in exactly the same way over any finite Abelian group, as it only requires black-box access to group o...