7 search results - page 1 / 2 » Witness Indistinguishable and Witness Hiding Protocols |
STOC
1990
ACM
13 years 9 months ago
1990
ACM
CRYPTO
1994
Springer
13 years 9 months ago
1994
Springer
Suppose we are given a proof of knowledge P in which a prover demonstrates that he knows a solution to a given problem instance. Suppose also that we have a secret sharing scheme S...
TCC
2009
Springer
14 years 5 months ago
2009
Springer
The concept of witness-hiding suggested by Feige and Shamir is a natural relaxation of zero-knowledge. In this paper we identify languages and distributions for which many known co...
CRYPTO
2000
Springer
13 years 9 months ago
2000
Springer
Partially blind signature schemes are an extension of blind signature schemes that allow a signer to explicitly include necessary information (expiration date, collateral condition...
EUROCRYPT
2008
Springer
13 years 7 months ago
2008
Springer
We introduce a new notion called -isolated proofs of knowledge ( -IPoK). These are proofs of knowledge where a cheating prover is allowed to exchange up to bits of communication wi...