Cryptographic key split combiner

Details Cryptographic key split combiner Cryptographic key split combiner

2007-05-01

2007-05-01

Darrow, Justin T. (Department: 2132)

Cryptography

Key management

Having particular key generator

C380S046000, C380S047000, C380S277000, C713S185000

Reexamination Certificate

active

09874364

ABSTRACT:
A cryptographic key split combiner, which includes a number of key split generators for generating cryptographic key splits and a key split randomizer for randomizing the cryptographic key splits to produce a cryptographic key, and a process for forming cryptographic keys. Each of the key split generators generates key splits from seed data. The key split generators may include a random split generator for generating a random key split based on reference data. Other key split generators may include a token split generator for generating a token key split based on label data, a console split generator for generating a console key split based on maintenance data, and a biometric split generator for generating a biometric key split based on biometric data. All splits may further be based on static data, which may be updated, for example by modifying a prime number divisor of the static data. The label data may be read from a storage medium, and may include user authorization data. The resulting cryptographic key may be, for example, a stream of symbols, at least one symbol block, or a key matrix.

REFERENCES:
patent: 4145568 (1979-03-01), Ehrat
patent: 4864616 (1989-09-01), Pond et al.
patent: 5276738 (1994-01-01), Hirsch
patent: 5541994 (1996-07-01), Tomko et al.
patent: 5627894 (1997-05-01), Albert et al.
patent: 5710815 (1998-01-01), Ming et al.
patent: 5751808 (1998-05-01), Anshel et al.
patent: 5778069 (1998-07-01), Thomlinson et al.

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