[ntpwg] [Fwd: I-D Action:draft-ietf-ntp-autokey-00.txt]

[Danny Mayer]

Brian,

I hope this is an internet draft for an RFC and not a memo. I regularly
throw away memos.

I haven't read this yet.

Danny

Brian Haberman wrote:
> All,
>       The initial version of the autokey specification is now available 
> in the I-D repository.  Please review and comment.
> 
> Regards,
> Brian
> 
> 
> -------- Original Message --------
> Subject: I-D Action:draft-ietf-ntp-autokey-00.txt
> Date: Tue, 25 Sep 2007 08:30:01 -0400
> From: Internet-Drafts at ietf.org
> Reply-To: internet-drafts at ietf.org
> To: i-d-announce at ietf.org
> CC: ntpwg at lists.ntp.isc.org
> 
> A New Internet-Draft is available from the on-line Internet-Drafts 
> directories.
> This draft is a work item of the Network Time Protocol Working Group of 
> the IETF.
> 
> 
> 	Title           : Network Time Protocol Version 4 Autokey Specification
> 	Author(s)       : B. Haberman
> 	Filename        : draft-ietf-ntp-autokey-00.txt
> 	Pages           : 70
> 	Date            : 2007-09-25
> 
> This memo describes the Autokey security model for authenticating
> servers to clients using the Network Time Protocol (NTP) and public
> key cryptography.  Its design is based on the premise that IPSEC
> schemes cannot be adopted intact, since that would preclude stateless
> servers and severely compromise timekeeping accuracy.  In addition,
> PKI schemes presume authenticated time values are always available to
> enforce certificate lifetimes; however, cryptographically verified
> timestamps require interaction between the timekeeping and
> authentication functions.
> 
> This memo includes the Autokey requirements analysis, design
> principles and protocol specification.  A detailed description of the
> protocol states, events and transition functions is included.  A
> prototype of the Autokey design based on this report has been
> implemented, tested and documented in the NTP Version 4 (NTPv4)
> software distribution for Unix, Windows and VMS at
> http://www.ntp.org.
> 
> A URL for this Internet-Draft is:
> http://www.ietf.org/internet-drafts/draft-ietf-ntp-autokey-00.txt