Geometric and cryptographic puzzle

Amusement devices: games – Puzzles – Take-aparts and put-togethers

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Details

273156, A63F 900

Patent

active

060271175

ABSTRACT:
Puzzles characterized by one or a number of sets of visually identical, physically interchangeable, rotatable pieces that either contain magnets with varying north/south orientations embedded in their sides and/or have a mark or markings on one or more of their edges and computer versions of these puzzles. The object of the puzzles is to arrange the pieces in predetermined shapes and sequences in such a manner that the sides of the pieces which are in contact with the sides of other pieces have opposite magnetic poles facing each other so that the pieces attract, rather than repel or, if edge markings are used with or instead of magnets, so that adjacent edge markings comply with specified rules. In addition, the pieces may be all visually identical except for differences in edge markings, if any, or, alternatively, there may be several sets of visually identical pieces, e.g., pink pieces, blue pieces, yellow pieces and orange pieces, which together comprise a puzzle set. Because each solution to the puzzle is a particular sequence of the puzzle pieces, that sequence of pieces can be used in various ways to generate cryptographic keys which will enable ciphertext, which accompanies the puzzle, to be decoded. In addition, with some methods of generating cryptographic keys from the sequence of pieces in the solution to the puzzle, partial cryptographic keys are generated before the puzzle is completely solved, enabling partial solutions of the puzzle to be checked to determine if they are correct, thereby simplifying very difficult puzzles and making possible the solution of otherwise virtually impossible puzzles.

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patent: 5411262 (1995-05-01), Smith

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