On Wed, Sep 3, 2025 at 9:39 AM Tom Beecher <[email protected]> wrote:

> Brent-
>
> Yes, IOS is storing the MD5 of the binary key data, not the base64
> version. I had that wrong. Still a distinction without a difference. The
> preimage problem still exists.
>

Tom-

Preimage is not the only attack for MD5. It's a prerequisite if you are
*only* sending exactly the attacker key on the wire. Merkle–Damgård
checksum algorithms have quite a few fun options in this space if you
aren't restricted with a fixed length.


> And as you've been clearly ramping up the condescension in the last few
> messages, I don't feel inclined to debate this with you any further.  Take
> care.
>

If you're going to be confident, don't be confidently wrong. Best of luck.

>
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