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Systems and methods for processing and verifying data using signatures

  • US 10,452,869 B2
  • Filed: 05/07/2014
  • Issued: 10/22/2019
  • Est. Priority Date: 05/07/2014
  • Status: Active Grant
First Claim
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1. A device for processing message data comprising:

  • a network interface configured to;

    receive, from another device, the message data, a first signature corresponding to the message data, and a third signature corresponding to the message data and the first signature, wherein the third signature is a signature generated by another network interface of the other device based on the message data and the first signature;

    verify an integrity of the message data and the first signature based on the third signature;

    a first component configured to receive the message data and the first signature from the other device via the network interface; and

    a security processor configured to;

    receive the message data and the first signature from the network interface via the first component;

    determine, based on the first signature, whether the message data is valid;

    determine a second signature corresponding to the message data; and

    convey the second signature to the first component.

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