[tor-relays] New upcoming requirement for relays related to Ed25519 support
nusenu-lists at riseup.net
Thu May 17 20:00:00 UTC 2018
> Dear tor relay operators,
> we want to inform you that in future*, tor directory authorities
> will enforce a new security measurement that disallows relays to
> drop Ed25519 support in case they ever supported it at some point.
> In practice that means that if you run tor 0.2.7.2-alpha or later
> you can not downgrade to an older tor version without Ed25519 support
> Tor directory authorities will reject such relays in the future.
> You are safe if you do _not_ downgrade from
> any tor version >= 0.2.7.2-alpha
> to a version older than that.
> We will send a second email to this list once we are near
> the actual enforcement of this new requirement (which will not be
> to soon from now).
> kind regards,
> * This will come into effect when the majority of tor directory authorities are on
> tor 0.3.4.x
The first tor version enforcing this new requirement has been released today (0.3.4.1-alpha)
but most authorities run stable releases, so this is just a reminder of the upcoming new requirement.
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