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RFC 5905, "Network Time Protocol Version 4: Protocol and Algorithms Specification", June 2010

Note: This RFC has been updated by RFC 7822, RFC 8573, RFC 9109

Source of RFC: ntp (int)
See Also: RFC 5905 w/ inline errata

Errata ID: 5104
Status: Verified
Type: Editorial
Publication Format(s) : TEXT
Reported By: Denis Ovsienko
Date Reported: 2017-08-30
Verifier Name: Erik Kline
Date Verified: 2022-07-27

Section 7.3, Fig 8 says: 

      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      |                          Key Identifier                       |
      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      |                                                               |
      |                            dgst (128)                         |
      |                                                               |
      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

It should say:

      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      |                          Key Identifier                       |
      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      |                                                               |
      |                       Message Digest (128)                    |
      |                                                               |
      |                                                               |
      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

Notes:

As the text before the figure explains, the last field is called "Message Digest", which is consistent with the rest of the document. In this document "dgst" and "mac" mean two protocol variables associated with this packet field.

---

Note: edited to clarify 4 32bit words, rather than 3 rows.

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