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EUROCRYPT
2007
Springer
14 years 1 months ago
Zero Knowledge and Soundness Are Symmetric
We give a complexity-theoretic characterization of the class of problems in NP having zero-knowledge argument systems. This characterization is symmetric in its treatment of the ze...
Shien Jin Ong, Salil P. Vadhan
CRYPTO
2009
Springer
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14 years 1 months ago
Linear Algebra with Sub-linear Zero-Knowledge Arguments
We suggest practical sub-linear size zero-knowledge arguments for statements involving linear algebra. Given commitments to matrices over a finite field, we give a sub-linear siz...
Jens Groth