RFC 3281 (rfc3281) - Page 2 of 40
An Internet Attribute Certificate Profile for Authorization
Alternative Format: Original Text Document
RFC 3281 An Internet Attribute Certificate April 2002
4.2.3 Issuer........................................... 12
4.2.4 Signature........................................ 12
4.2.5 Serial Number.................................... 12
4.2.6 Validity Period.................................. 13
4.2.7 Attributes....................................... 13
4.2.8 Issuer Unique Identifier......................... 14
4.2.9 Extensions....................................... 14
4.3 Extensions............................................. 14
4.3.1 Audit Identity................................... 14
4.3.2 AC Targeting..................................... 15
4.3.3 Authority Key Identifier......................... 17
4.3.4 Authority Information Access..................... 17
4.3.5 CRL Distribution Points.......................... 17
4.3.6 No Revocation Available.......................... 18
4.4 Attribute Types........................................ 18
4.4.1 Service Authentication Information............... 19
4.4.2 Access Identity.................................. 19
4.4.3 Charging Identity................................ 20
4.4.4 Group............................................ 20
4.4.5 Role............................................. 20
4.4.6 Clearance........................................ 21
4.5 Profile of AC issuer's PKC............................. 22
5. Attribute Certificate Validation............................. 23
6. Revocation................................................... 24
7. Optional Features............................................ 25
7.1 Attribute Encryption................................... 25
7.2 Proxying............................................... 27
7.3 Use of ObjectDigestInfo................................ 28
7.4 AA Controls............................................ 29
8. Security Considerations...................................... 30
9. IANA Considerations.......................................... 32
10. References.................................................. 32
Appendix A: Object Identifiers.................................. 34
Appendix B: ASN.1 Module........................................ 35
Author's Addresses.............................................. 39
Acknowledgements................................................ 39
Full Copyright Statement........................................ 40
1. Introduction
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
document are to be interpreted as described in BCP 14, RFC 2119.
X.509 public key certificates (PKCs) [X.509-1997, X.509-2000,
PKIXPROF] bind an identity and a public key. An attribute
certificate (AC) is a structure similar to a PKC; the main difference
being that the AC contains no public key. An AC may contain
Farrell & Housley Standards Track