Protecting Network Time Security Messages with the Cryptographic Message Syntax (CMS)

The information below is for an old version of the document
Document Type Expired Internet-Draft (ntp WG)
Authors Dieter Sibold  , Kristof Teichel  , Stephen Roettger  , Russ Housley 
Last updated 2016-01-07 (latest revision 2015-07-06)
Stream Internet Engineering Task Force (IETF)
Expired & archived
pdf htmlized bibtex
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Stream WG state WG Document
Document shepherd No shepherd assigned
IESG IESG state Expired
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document describes a convention for using the Cryptographic Message Syntax (CMS) to protect the messages in the Network Time Security (NTS) protocol. NTS provides authentication of time servers as well as integrity protection of time synchronization messages using Network Time Protocol (NTP) or Precision Time Protocol (PTP).


Dieter Sibold (
Kristof Teichel (
Stephen Roettger (
Russ Housley (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)