Some Constant-Round Zero-KnowledgeProtocols
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Graphical Abstract
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Abstract
The concept of zero-knowledge has been
extensively used in the design of cryptographic protocols
since being introduced. The round complexity of zero-
knowledge protocols is a very important e±ciency con-
sideration, and in general it is desirable to have zero-
knowledge protocols with constant numbers of rounds. In
this paper, we suggest a novel method to use the program
of the veri¯er and use the method to construct some con-
stant round honest-veri¯er zero-knowledge protocols. The
notion of honest-veri¯er zero-knowledge protocols is highly
non-trivial and fascinating itself. It also has many other uses.
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