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Method and system for authenticating a digitized signature for execution of an electronic document

  • US 20030056100A1
  • Filed: 09/14/2001
  • Published: 03/20/2003
  • Est. Priority Date: 09/14/2001
  • Status: Abandoned Application
First Claim
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1. A method of authenticating a digitized signature for execution of an electronic document, comprising the steps of:

  • (a) establishing a digital representation of a user'"'"'s valid signature;

    (b) storing said digital representation of said valid signature;

    (c) establishing a secret sign, said secret sign being known only to the user;

    (d) creating a template of value ranges for predetermined features of said secret sign;

    (e) electronically storing said template;

    (f) providing an electronic document for execution by the user;

    (g) hand writing said secret sign on a signature entry device;

    (h) measuring values of said predetermined features for said handwritten secret sign;

    (i) comparing said measured values with said value ranges of said template to authenticate said secret sign; and

    , (j) appending a copy of said digital representation of said user'"'"'s valid signature to said electronic document responsive to authentication of said secret sign.

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