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 10 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 6 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 10 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...