System, portable device and method for digital authenticating, crypting and signing by generating short-lived cryptokeys
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United States of America Patent
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Aug 9, 2011
Grant Date -
Sep 7, 2006
app pub date -
Oct 1, 2002
filing date -
Oct 1, 2001
priority date (Note) -
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Abstract
A system for authentication, encryption and/or signing, as well as corresponding devices and methods, that use temporary but repeatable encryption keys uniquely connected to the user and generated from a unique set of input parameters. The system comprises an input device (105) designed to extract predetermined characteristic values from value input by the user, which value is specific to the user, by means of a given algorithm, which algorithm is designed to remove the natural variation in the characteristic values in order to yield an identical set of characteristic values upon input of the same value, and a device (106) designed to generate at least one user specific encryption key comprising said characteristic values.
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