Computer Security Resource Center

Computer Security Resource Center

Computer Security
Resource Center

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cross certificate

Abbreviation(s) and Synonym(s):

None

Definition(s):

  A certificate issued from a certificate authority (CA) that signs the public key of another CA not within its trust hierarchy that establishes a trust relationship between the two CAs. Note: This is a more narrow definition than described in X.509.
Source(s):
CNSSI 4009-2015 (CNSSI 1300)

  1. A certificate used to establish a trust relationship between two certification authorities.
Source(s):
CNSSI 4009-2015 under cross-certificate (NIST SP 800-32)

  2. A certificate issued from a certification authority (CA) that signs the public key of another CA not within its trust hierarchy that establishes a trust relationship between the two CAs.
Source(s):
CNSSI 4009-2015 under cross-certificate (CNSSI 1300)

  A certificate used to establish a trust relationship between two Certification Authorities.
Source(s):
NIST SP 800-32 under Cross- Certificate

  Used by one CA to certify any CA other than a CA immediately adjacent (superior or subordinate) to it in a CA hierarchy.
Source(s):
NIST SP 800-57 Part 2 under Cross certification