The Station-to-Station (STS) protocol is a cryptographic key agreement scheme based on classic Diffie-Hellman that provides mutual key and entity authentication. In addition to protecting the established key from an attacker, the STS protocol uses no timestamps and provides perfect forward secrecy. It also entails two-way explicit key confirmation, making it an authenticated key agreement with key confirmation (AKC) protocol.

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  • The Station-to-Station (STS) protocol is a cryptographic key agreement scheme based on classic Diffie-Hellman that provides mutual key and entity authentication. In addition to protecting the established key from an attacker, the STS protocol uses no timestamps and provides perfect forward secrecy. It also entails two-way explicit key confirmation, making it an authenticated key agreement with key confirmation (AKC) protocol. STS was originally presented in 1987 in the context of ISDN security, finalized in 1989 and generally presented by Whitfield Diffie, Paul C. van Oorschot and Michael J. Wiener in 1992. The historical context for the protocol is also discussed in Diffie (1988).
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  • Diffie
  • O'Higgins
  • Strawczynski
  • do Hoog
  • 1987 (xsd:integer)
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  • Blake-Wilson
  • Diffie
  • Menezes
  • Vanstone
  • Wiener
  • van Oorschot
  • 1988 (xsd:integer)
  • 1992 (xsd:integer)
  • 1997 (xsd:integer)
  • 1999 (xsd:integer)
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  • The Station-to-Station (STS) protocol is a cryptographic key agreement scheme based on classic Diffie-Hellman that provides mutual key and entity authentication. In addition to protecting the established key from an attacker, the STS protocol uses no timestamps and provides perfect forward secrecy. It also entails two-way explicit key confirmation, making it an authenticated key agreement with key confirmation (AKC) protocol.
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  • Station-to-Station protocol
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