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Method and system for recovering the validity of cryptographically signed digital data

  • US 20060059357A1
  • Filed: 08/08/2005
  • Published: 03/16/2006
  • Est. Priority Date: 10/22/1999
  • Status: Active Grant
First Claim
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1. A method for validating a restored message, comprising:

  • generating an entry in a signature log for a message, wherein said entry comprises cryptographic information associated with said message;

    when said message is lost, generating said restored message responsive to a request; and

    validating said restored message using said signature log.

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