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Verification protocol

  • US 6,446,207 B1
  • Filed: 01/29/1998
  • Issued: 09/03/2002
  • Est. Priority Date: 01/31/1997
  • Status: Expired due to Term
First Claim
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1. A method of verifying at a recipient a digital signature generated by a signor in a data communication system, said signature having a pair of signature components, one of said components incorporating first and second private keys with said first private key known to said recipient and signor and the other of said components having a value equivalent to a function associated with said second private key, said method of verifying comprising the steps of applying at said recipient said first of said private keys to said signature components to recover a value equivalent to said function associated with said second of said private keys and comparing said recovered value wit said other signature component to determine the authenticity of said signature.

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