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Using token-based signing to install unsigned binaries

  • US 7,281,132 B2
  • Filed: 10/19/2001
  • Issued: 10/09/2007
  • Est. Priority Date: 10/19/2001
  • Status: Active Grant
First Claim
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1. A method for using a smart card to authenticate a downloaded unsigned binary, comprising:

  • signing an unsigned binary on a first computing device to generate a first signature;

    downloading said first signature and said unsigned binary to a temporary buffer on a second computing device;

    interfacing a smart card with said second computing device such that the smart card has access to said temporary buffer;

    operating said smart card to read said first signature and said unsigned binary from said temporary buffer;

    operating said smart card to sign said unsigned binary using a secret key present on said smart card to generate a second signature; and

    operating said smart card to compare said first and second signatures,wherein a common signing methodology is used on both said first computing device and said smart card to respectively generate said first and second signatures, and wherein said secret key present on said smart card is not accessible by said second computing device.

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