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Secure key storage systems, methods and apparatuses

  • US 9,397,982 B2
  • Filed: 06/27/2013
  • Issued: 07/19/2016
  • Est. Priority Date: 06/28/2012
  • Status: Active Grant
First Claim
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1. An apparatus, comprising:

  • a first non-volatile storage for storing a plurality of private root key of a certificate authority for signing digital certificates;

    an input device for receiving manual input from an operator;

    a communication interface consisting of a one-way transmitter for transmitting information from the apparatus; and

    a processor configured to;

    select a private root key from the plurality of private root keys according to the manual input received through the input device;

    retrieve the selected private root key from the first non-volatile storage;

    receive information for a new digital certificate through the input device;

    generate the new digital certificate according to the received information;

    sign the new digital certificate using the private root key; and

    transmit the new digital certificate from the apparatus using the transmitter.

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