Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile
This specification has been revised 4 times since RFC 2459 (1999). Each document below formally obsoleted the one before it; the versions still in force are listed first.
Revision timeline
Current version — implement against this
Superseded versions — historical reference only
- RFC 2459Internet X.509 Public Key Infrastructure Certificate and CRL ProfileObsoletedJanuary 1999proposed standardreplaced by RFC3280
- RFC 3280Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) ProfileObsoletedMay 2002proposed standardreplaced by RFC5280
- RFC 4325Internet X.509 Public Key Infrastructure Authority Information Access Certificate Revocation List (CRL) ExtensionObsoletedDecember 2005proposed standardreplaced by RFC5280
- RFC 4630Update to DirectoryString Processing in the Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) ProfileObsoletedAugust 2006proposed standardreplaced by RFC5280
This lineage is derived automatically from the “obsoletes” relationships recorded in the public RFC Editor index — no editorial judgement is applied to the ordering. The most recent document in the chain is RFC 5280 (May 2008).