On Tue, 8 Jan 2019 at 08:57, Lennart Poettering <mzerqung(a)0pointer.de> wrote:
Yes, Tom's proposal makes sense. Calculate the UUID you submit
HMAC(machined_id, CONCAT(fixedappuuid, unixtime/432000))
Out of interest, how is using a HMAC different to just using the
machine-id appended with a salt, sha256'd?