Internet Key Exchange

In computing, Internet Key Exchange (IKE, versioned as IKEv1 and IKEv2) is the protocol used to set up a security association (SA) in the IPsec protocol suite. IKE builds upon the Oakley protocol and ISAKMP.[1] IKE uses X.509 certificates for authentication ‒ either pre-shared or distributed using DNS (preferably with DNSSEC) ‒ and a Diffie–Hellman key exchange to set up a shared session secret from which cryptographic keys are derived.[2][3] In addition, a security policy for every peer which will connect must be manually maintained.[2]

  1. ^ The Internet Key Exchange (IKE), RFC 2409, §1 Abstract
  2. ^ a b Thomas, M. (June 2001), RFC 3129: Requirements for Kerberized Internet Negotiation of Keys, Internet Engineering Task Force, p. 1, doi:10.17487/RFC3129
  3. ^ Richardson, M.; Redelmeier, D.H. (June 2001), RFC 4322: Opportunistic Encryption using the Internet Key Exchange (IKE), Internet Engineering Task Force, p. 5, doi:10.17487/RFC4322

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