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https://github.com/cloudflare/roughtime

A secure clock-synchronization protocol for when rough is enough.
https://github.com/cloudflare/roughtime

ntp roughtime time

Last synced: 27 days ago
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A secure clock-synchronization protocol for when rough is enough.

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README 

        
# Roughtime



A fork of [Google's Roughtime

protocol](https://roughtime.googlesource.com/roughtime/) and utilities for

building Roughtime clients. This repository also implements the [IETF

version](https://datatracker.ietf.org/doc/draft-ietf-ntp-roughtime/).



For more information about Roughtime and tips for writing your own

client or server, visit the [developer

documentation](https://developers.cloudflare.com/time-services/roughtime/).



## Note on status



This repository currently supports draft-ietf-ntp-roughtime-08. Backwards

compatibility with this version is not guaranteed; users should expect breaking

changes as the IETF process continues. Likewise, the API should be regarded as

unstable.



If you want to use this code and the protocol please join the NTP WG

[mailing list](https://www.ietf.org/mailman/listinfo/ntp) so that you are

aware of the evolution of the protocol and issues that others discover.



** DO NOT USE IN PRODUCTION SOFTWARE **



## Ecosystem guidelines



We welcome pull requests for adding your Roughtime service to our list. Your PR

should do the following:



  * Add your server's configuration to `ecosystem.json`. The list of servers

    will be alphabetized by the `"name"` field.



  * Add some information about your service to `ecosystem.md`. (This is also

    kept in alphabetical order.) This should include details about how your

    service is provisioned:



     1. how you synchronize your server's clock;

     2. if your code is open source, a link to the code;

     3. where in the world your server is located; and

     4. whether you will guarantee up time, and if so, how you will do so.

     5. what version you run



  * Generate the `ecosystem.json.go` from the `ecosystem.json`. Use the

    `go generate` command for this.



A couple things to keep in mind:



  * To be healthy, the Roughtime ecosystem **needs a diverse set of time

    sources.** The list already contains servers that are synced with Google's

    NTP servers; as such, servers that expose new sources will be preferred. (An

    atomic clock would be cool!)



  * We reserve the right to prune this list at any time. (For example, if a

    server is unreliable, or its root secret key has been compromised.)

    

  * As new versions come out we may prune servers that do not update.



Finally, a disclaimer: the ecosystem is growing, and ours might not be the

definitive list of who is serving Roughtime at any given time.



## Contributing



We welcome your bug fixes, issues, and improvements to either the

protocol or this code. Note that substantive changes to the protocol

need to be discussed on the NTP WG mailing list.