The following publications are possibly variants of this publication:
- X.509 Internet Public Key Infrastructure Online Certificate Status Protocol - OCSPStefan Santesson, Michael Myers, Rich Ankney, Ambarish Malpani, Slava Galperin, Carlisle Adams. rfc, 6960:1-41, June 2013. [doi]
- X.509 Internet Public Key Infrastructure Online Certificate Status Protocol - OCSPMichael Myers, Rich Ankney, Ambarish Malpani, Slava Galperin, Carlisle Adams. rfc, 2560:1-23, June 1999. [doi]
- Internet X.509 Public Key Infrastructure Certificate Management Protocol (CMP)Carlisle Adams, Stephen Farrell, Tomi Kause, Tero Mononen. rfc, 4210:1-95, September 2005. [doi]
- Internet X.509 Public Key Infrastructure Certificate Management ProtocolsCarlisle Adams, Stephen Farrell. rfc, 2510:1-72, March 1999. [doi]
- Internet X.509 Public Key Infrastructure Data Validation and Certification Server ProtocolsCarlisle Adams, Peter Sylvester, Michael Zolotarev, Robert J. Zuccherato. rfc, 3029:1-51, February 2001. [doi]
- Internet X.509 Public Key Infrastructure Permanent IdentifierDenis Pinkas, Thomas Gindin. rfc, 4043:1-15, May 2005. [doi]