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chain of trust

Abbreviation(s) and Synonym(s):

CoT

Definition(s):

  An interoperable data format for PIV enrollment records that facilitates the import and export of records between PIV Card issuers.
Source(s):
FIPS 201-3 under Chain of trust

  See “authentication chain.”
Source(s):
NIST SP 800-81-2 under Chain of Trust

  A certain level of trust in supply chain interactions such that each participant in the consumer-provider relationship provides adequate protection for its component products, systems, and services.
Source(s):
NIST SP 800-37 Rev. 2

  A method for maintaining valid trust boundaries by applying a principle of transitive trust, where each software module in a system boot process is required to measure the next module before transitioning control.
Source(s):
NISTIR 8320 under Chain of Trust