On Fri, Sep 5, 2025 at 3:22 AM Vasilenko Eduard via NANOG <
[email protected]> wrote:

> Hi all,
> So many smart people are in the discussion about MD5 ...
> I have a temptation to ask: why hash in the first place?!? (does not
> matter MD5 or SHA-2)
>

The topic as of late is tied to IOS storing MD5 checksums of authorized SSH
public keys for authentication.
I presume the sole purpose of this was to simply avoid storing the entirety
of the public key (usually ~535 bytes for a 4096-bit key).
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