Hacking prevention system
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United States of America Patent
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Oct 14, 2008
Issued Date -
N/A
app pub date -
Aug 21, 2002
filing date -
Sep 13, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for producing an output from an input encoding the output, the method including choosing functions G, F, and H, providing an input x, choosing a random number r, computing x'=G(x, r), sending x' to a computation unit, computing, in the computation unit, y'=F(x'), receiving y' from the computation unit, and computing the output w=H(y', r), wherein G, F, and H are chosen such that w is not dependent on the choice or r. Related apparatus and methods are also described.
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