Hacking prevention system

Details Hacking prevention system Hacking prevention system

2002-08-21

2008-10-14

Parthasarathy, Pramila (Department: 2136)

Cryptography

Particular algorithmic function encoding

C726S009000

Reexamination Certificate

active

07436953

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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English translation of WO 97/47110 dated Dec. 11, 1997.

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