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Upgradable Security Module

  • US 20080307499A1
  • Filed: 11/30/2006
  • Published: 12/11/2008
  • Est. Priority Date: 11/30/2005
  • Status: Active Grant
First Claim
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1. A security module comprising:

  • a first communication port connectable to a host device;

    a first storage device;

    a first decryption means;

    a state module;

    a second communication port; and

    an insulating circuit configured to isolate said second communication port, said insulating circuit being controlled by the state module;

    wherein the state module is configured to receive a security message and modify the state of said state module.

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