Proposal to include additional cryptographic algorithms in the NTPSec implementation

Sarath _Msft_ s_msft at outlook.com
Tue Mar 4 22:54:27 UTC 2025


My colleague Mitchell Schmidt has published a pull request on the ntpsec repo on GitLab, with changes to include support for the previously mentioned GCM/CCM algorithms in ntpd server and client. The code changes are relatively well contained, IMO. I would defer to the pull request for the specifics of the changes.

In addition to giving wider algorithm choice to users, these changes provide an opportunity to extend compatibility across implementations that rely on different crypto libraries and will likely contribute to wider adoption of the protocol.

Please consider this proposed change and leave any feedback on the pull request and Mitchell can work to address it.

>If you will help me get NTPsec working on Windows....

This would require a level of commitment beyond what I can make or promise. Despite this, I am hoping we can collaborate on the current proposed changes and include them in NTPSec's implementation.

Thank you.
Sarath.
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