Re: MD5 is slow

[brent saner via NANOG <nanog () lists nanog org>]

On Fri, Sep 5, 2025 at 3:22 AM Vasilenko Eduard via NANOG <
nanog () lists nanog org> 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).
_______________________________________________
NANOG mailing list 
https://lists.nanog.org/archives/list/nanog () lists nanog org/message/TN347X2CRSIR76OLJAOKL4ILUXEZGHW5/