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Electronic Colloquium on Computational Complexity

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REPORTS > AUTHORS > DOUGLAS R. STINSON:
All reports by Author Douglas R. Stinson:

TR96-012 | 14th December 1995
Giuseppe Ateniese, Carlo Blundo, Alfredo De Santis, Douglas R. Stinson

Visual Cryptography for General Access Structures

A visual cryptography scheme for a
set \cal P of n participants is a method to encode a secret
image SI into n shadow images called shares, where each participant in
\cal P receives one share. Certain qualified subsets of participants
can ``visually'' recover the secret image, but
other, ... more >>>


TR95-052 | 4th October 1995
Douglas R. Stinson

On the Connections Between Universal Hashing, Combinatorial Designs and Error-Correcting Codes

In this primarily expository
paper, we discuss the connections between two popular and useful
tools in theoretical computer science, namely,
universal hashing and pairwise
independent random variables; and classical combinatorial stuctures
such as error-correcting codes, balanced incomplete block designs,
difference matrices
... more >>>




ISSN 1433-8092 | Imprint