- Authority Key Identifier

Submitted by j.onions at nexor.co.uk from host trident.nexor.co.uk ( on Fri Mar 21 09:23:14 MET 1997 using a WWW entry form.

OID value:

OID description:

This extension may be used either as a certificate or CRL extension. It identifies the public key to be used to verify the signature on this certificate or CRL. It enables distinct keys used by the same CA to be distinguished (e.g., as key updating occurs).

authorityKeyIdentifier EXTENSION ::= {
	SYNTAX AuthorityKeyIdentifier
	IDENTIFIED BY id-ce-authorityKeyIdentifier

AuthorityKeyIdentifier ::= SEQUNCE {
	keyIdentifier	[0] KeyIdentifier OPTIONAL,
	authorityCertIssuer [1] GeneralNames OPTIONAL,
	authorityCertSerialNumber [2] CertificateSerialNumber OPTIONAL,
} (WITH COMPONENTS {..., authorityCertIssuer PRESENT,
			authorityCertSerialNumber PRESENT} |
   WITH COMPONENTS {..., authorityCertIssuer ABSENT,
			authorityCertSerialNumber ABSENT} )

KeyIdentifier ::= OCTET STRING

See also the OID Repository website reference for

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Entered: Fri Mar 21 09:23:14 MET 1997 (not changed manually)