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» Lower Bounds for Non-Black-Box Zero Knowledge
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ASIACRYPT
2001
Springer
13 years 10 months ago
Responsive Round Complexity and Concurrent Zero-Knowledge
The number of communication rounds is a classic complexity measure for protocols; reducing round complexity is a major goal in protocol design. However, when the communication time...
Tzafrir Cohen, Joe Kilian, Erez Petrank
TCC
2009
Springer
158views Cryptology» more  TCC 2009»
14 years 6 months ago
On the (Im)Possibility of Arthur-Merlin Witness Hiding Protocols
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...
Iftach Haitner, Alon Rosen, Ronen Shaltiel
STOC
1999
ACM
106views Algorithms» more  STOC 1999»
13 years 10 months ago
Scheduling in the Dark
We considered non-clairvoyant multiprocessor scheduling of jobs with arbitrary arrival times and changing execution characteristics. The problem has been studied extensively when ...
Jeff Edmonds