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Trusted Third Party

Abbreviations / Acronyms / Synonyms:

TTP

Definitions:

  An entity other than the key pair owner and verifier that is trusted by the owner or the verifier or both. Sometimes shortened to “trusted party.”
Sources:
FIPS 186-5

  A third party, such as a CA, that is trusted by its clients to perform certain services. (By contrast, the two participants in a key-establishment transaction are considered to be the first and second parties.)
Sources:
NIST SP 800-56B Rev. 2 under Trusted third party

  An entity other than the owner and verifier that is trusted by the owner, the verifier or both to provide certain services.
Sources:
NIST SP 800-89