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Digital signaturing method and system for re-creating specialized native files out of a container imported from an open network or residing on a CD-ROM

  • US 6,353,887 B1
  • Filed: 11/13/1998
  • Issued: 03/05/2002
  • Est. Priority Date: 11/13/1998
  • Status: Expired due to Term
First Claim
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1. A method for verifying and unwrapping a signatured wrapped container file comprising the steps of:

  • (a) establishing a DSA KEYSFILE which holds parameters of KeyID, SSR, P, Q, G and a system public key;

    (b) establishing signatured words R and S for the container file which is wrapped and exists as an industry-standard byte stream text format file;

    (c) utilizing an Unwrap operation which accesses said parameters of said DSA FILE and which accesses said signatured container file with said R and S words;

    (d) executing an Unwrap operation to the parameters and signatured container file in order to restore files in the reconstituted specialized original native file format.

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