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System and method to enable PKI- and PMI-based distributed locking of content and distributed unlocking of protected content and/or scoring of users and/or scoring of end-entity access means-added

  • US 10,567,361 B2
  • Filed: 07/25/2018
  • Issued: 02/18/2020
  • Est. Priority Date: 04/30/2010
  • Status: Active Grant
First Claim
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1. A method for establishing secure communication between a plurality of devices, each device including a hardware processor and associated memory, the method comprising:

  • receiving a first unique identification and a first cryptographic key by a first device, and a second unique identification and a second cryptographic key by a second device;

    producing a digital certificate using the first and second unique identifications and the first and second cryptographic keys, or a reference to the first and second unique identifications and the first and second cryptographic keys;

    authenticating a communication line between the first device and the second device by issuing the digital certificate to the communication line to establish a secure communication line between the first device and the second device; and

    authenticating each of the plurality of devices using a unique identification or a cryptographic key of said each of the plurality of devices.

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