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Method and system for the verification of handwritten signatures

  • US 5,647,017 A
  • Filed: 05/09/1996
  • Issued: 07/08/1997
  • Est. Priority Date: 08/31/1994
  • Status: Expired due to Term
First Claim
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1. A computer-based method for verification of a handwritten signature that relates to a document, comprising the steps of:

  • at the first computer processor, signing a document by electronically capturing a handwritten signature of a signatory;

    at the first computer processor, storing in a signature envelope a set of measurements relating to the handwritten signature;

    at the first computer processor, creating a checksum of the document;

    at the first computer processor, storing the checksum in the signature envelope;

    at the first computer processor, storing in the signature envelope a claimed identity of the signatory;

    at the first computer processor, encrypting the signature envelope to create an encrypted signature envelope; and

    providing the encrypted signature envelope to a second computer processor.

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