Random clock composition-based cryptographic authentication process and locking system
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United States of America Patent
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Jan 28, 1997
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N/A
app pub date -
Oct 26, 1995
filing date -
Apr 20, 1995
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Abstract
The first and second devices exchange randomly generated messages that are used in a composition-based encryption/decryption process. At least one of the randomly generated messages is, itself, encrypted before transmission. The composition-based process (a cyclic redundancy code process, preferably enhanced with midcycle non-Galois Field operation) is embedded in both devices and not readily discernable by playback attack.
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