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Definitions Edit

Cryptography Edit

A trust anchor is

an authoritative entity represented via a public key and associated data. When there is a chain of trust, usually the top entity to be trusted becomes the trust anchor. The public key (of the trust anchor) is used to verify digital signatures and the associated data.[1]
[a] CA with one or more trusted certificates containing public keys that exist at the base of a tree of trust or as the strongest link in a chain of trust and upon which a Public Key Infrastructure is constructed.[2]

Trust anchor "also refers to the certificate of this CA."[3]

References Edit

  1. Guidelines for Smart Grid Cyber Security, Glossary, at I-12.
  2. NIST Special Publication 800-152, at 136.
  3. Id.

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