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Personal date/time notary device

  • US 6,408,388 B1
  • Filed: 07/30/1999
  • Issued: 06/18/2002
  • Est. Priority Date: 05/05/1993
  • Status: Expired due to Term
First Claim
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1. A smart card reader for connecting a user'"'"'s smart card to a computer comprising:

  • a smart card interface port for receiving a digital value from said smart card;

    a source providing digital information indicative of at least one of date and time;

    a secure storage device for storing a smart card reader private key, wherein said private key is used in performing digital signature operations;

    a communication port operatively coupled in use to transfer information to a computer; and

    a smart card reader processor device connected to said smart card interface port, said communication port, said secure storage device, and said source providing digital information, for receiving said digital value and said information indicative of at least one of date and time and for performing at least one digital signature operation with said private key for output to said communication port.

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