Programmable key and receptacle system and method therefor

Cryptography – Cryptanalysis

Patent

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H04L 900

Patent

active

059828889

ABSTRACT:
A combination programmable key for storing encrypted data and a receptacle system for reading and programming the programmable key. The programmable key uses a memory storage unit which may be programmed and reprogrammed to store the encrypted data. A receptacle system is used for reading and programming the memory storage unit. The receptacle system has a front plate having a centrally located aperture through which the programmable key is inserted when the receptacle system is to read and/or program the programmable key. A terminal block is coupled to the front plate. The terminal block houses a plurality of contact terminals which are used for contacting the memory storage unit of the programmable key in order to allow a programming device coupled to the receptacle system to read and program the memory storage unit.

REFERENCES:
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patent: 4789859 (1988-12-01), Clarkson et al.
patent: 5193114 (1993-03-01), Moseley
patent: 5245329 (1993-09-01), Gokcebay
patent: 5337043 (1994-08-01), Gokcebay
patent: 5475376 (1995-12-01), Chikamitue et al.
patent: 5491471 (1996-02-01), Stobbe
patent: 5526662 (1996-06-01), Diekhoff et al.

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