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Internet X.509 Public Key Infrastructure Certificate and CRL Profile
RFC 2459

Revision differences

Document history

Date By Action
2026-05-20
(System) Changed metadata: changed keywords to '['digital', 'signatures', 'encryption', 'authentication']' from '[]'
2026-05-20
(System) Metadata update from RFC Editor
2026-05-20
(System) Changed author "D. Solo": changed name from "Dave Solo" to "D. Solo", cleared country (was "USA"), changed order from "2" to "4"
2026-05-20
(System) Changed author "W. Polk": changed name from "Tim Polk" to "W. Polk", set affiliation to "NIST", changed order from "-1" to "3"
2026-05-20
(System) Changed author "W. Ford": changed name from "Warwick Ford" to "W. Ford", cleared country (was "USA"), changed order from "0" to "2"
2026-05-20
(System) Changed author "R. Housley": changed name from "Russ Housley" to "R. Housley", cleared country (was "USA"), changed order from "-1" to "1"
2026-05-20
(System) Metadata update from RFC Editor
2020-01-21
(System) Received changes through RFC Editor sync (added Verified Errata tag)
2017-05-16
(System) Changed document authors from "Warwick Ford, Dave Solo" to "Warwick Ford, Dave Solo, Russ Housley, William Polk"
2000-08-10
(System) Posted related IPR disclosure: IBM Patent Statement pertaining to RFCs 2630 through RFC2634 (SMIME), and RFC2459(PKIX)
1999-01-01
(System) RFC published