- IETF-PKIX Public-Key Infrastructure X.509 Working Group Charter - Charter of the working group that develops Internet standards needed to support an X.509-based PKI. (pkix)
- RFC 2527 - Internet X.509 PKI - Certificate Policy and Certification Practices Framework - The document presents a framework to assist the writers of certificate policies or certification practice statements forcertification authorities and public key infrastructures.
- RFC 2528 - Representation of Key Exchange Algorithm (KEA) Keys in Internet X.509 PKI Certificates - The PKIX specification profiles the format and semantics of fields in X.509 V3 certificates containing Key Exchange Algorithm (KEA) keys, a classified algorithm for exchanging keys.
