>   manifest-hashes = SHA512 SHA3-512 WHIRLPOOL
>
> Your thoughts?

I just want to point out that according to GLEP 63 we only require pgp
signatures with at least sha-256 [1]. Further, our PGP signatures by the
release team are as well either SHA-256/SHA-512.

So using SHA3-512 (or whirlpool for that matter) is nice but it feels a
bit like overdoing it a bit. What about simply SHA512 and calling it a
day?

Further, it might be a good time to finally resolve the issue with our
rsync integrity for users. (What is the gain of using a secure hash
algorithm in the manifests if you can simply replace the manifest with a
MITM attack on the rsync update?)

Best,
Matthias

[1] https://wiki.gentoo.org/wiki/GLEP:63#Specifications_for_GnuPG_keys

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