{"draft":"","doc_id":"RFC1424","title":" Privacy Enhancement for Internet Electronic Mail: Part IV: Key Certification and Related Services ","authors":["B. Kaliski"],"format":["ASCII","HTML"],"page_count":"9","pub_status":"PROPOSED STANDARD","status":"HISTORIC","source":"Privacy-Enhanced Electronic Mail","abstract":" This document describes three types of service in support of Internet Privacy-Enhanced Mail (PEM) [1-3]: key certification, certificate- revocation list (CRL) storage, and CRL retrieval.  [STANDARDS-TRACK]  ","pub_date":"January 1993","keywords":["PEM-KEY","PEM"],"obsoletes":[],"obsoleted_by":[],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC1424","errata_url":null}