{"draft":"","doc_id":"RFC1421","title":"Privacy Enhancement for Internet Electronic Mail: Part I: Message Encryption and Authentication Procedures ","authors":["J. Linn"],"format":["ASCII","HTML"],"page_count":"42","pub_status":"PROPOSED STANDARD","status":"HISTORIC","source":"Privacy-Enhanced Electronic Mail","abstract":" This document defines message encryption and authentication procedures, in order to provide privacy-enhanced mail (PEM) services for electronic mail transfer in the Internet.  [STANDARDS-TRACK]  ","pub_date":"January 1993","keywords":["PEM-ENC","PEM"],"obsoletes":["RFC1113"],"obsoleted_by":[],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC1421","errata_url":null}