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ENCRYPTION/DECRYPTION ENGINE WITH SECURE MODES FOR KEY DECRYPTION AND KEY DERIVATION

  • US 20090282264A1
  • Filed: 02/17/2009
  • Published: 11/12/2009
  • Est. Priority Date: 05/08/2008
  • Status: Active Grant
First Claim
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1. An electronic device, comprising:

  • a processor; and

    an encryption/decryption (E/D) engine coupled to the processor via a bus,wherein the E/D engine selectively operates in a first mode and a second mode,wherein, for the first mode, an E/D engine output is provided to the bus,wherein, for the second mode, the E/D engine output is not provided to the bus and is accessible only to the E/D engine.

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