@techreport{ietf-ltans-pki-retention-01, number = {draft-ietf-ltans-pki-retention-01}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-ietf-ltans-pki-retention/01/}, author = {Carl Wallace}, title = {{Infrastructure Support for Retention of PKI Artifacts}}, pagetotal = 14, year = 2006, month = oct, day = 26, abstract = {In most PKIs, directory servers are used to provide current certificates and revocation information to relying parties. In situations where certificates must be validated relative to a time in the past, relying parties often have no means of obtaining the necessary PKI artifacts. This specification defines several directory attributes to support validation using historical PKI artifacts.}, }