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Mutual authentication with symmetric secrets and signatures

  • US 10,375,067 B2
  • Filed: 08/11/2017
  • Issued: 08/06/2019
  • Est. Priority Date: 06/26/2014
  • Status: Expired due to Fees
First Claim
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1. A non-transitory computer-readable storage medium storing thereon instructions that, as a result of execution by one or more processors of a computer system, cause the computer system to:

  • access a cryptographic key usable to derive a signing key, the signing key accessible to a second computer system and usable to generate a digital signature of a request to cause the second computer system to fulfill the request;

    derive, from the cryptographic key, a session key by at least deriving a pre-shared key from the cryptographic key and generating the session key from the pre-shared key; and

    use the session key to encrypt at least a portion of one or more communications to the second computer system, the one or more communications comprising a first request that is digitally signed using the signing key.

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