[KUDU-2941] built-in NTP client: support crypto authn for NTP packets

• Type: Sub-task
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Component/s: ntp-client
• Labels: clock ntp security
• Assignee: Unassigned
• Reporter: Alexey Serbin
• Created: 16/Sep/19 19:15
• Updated: 03/Feb/20 20:10

Description

To protect against malicious NTP packets, it would be nice to implement the cryptographic authentication of NTP servers to a client as specified in RFC5906https://tools.ietf.org/html/rfc5906]

That's to prevent upsetting the built-in NTP client's time by rogue packets.