> On Jul 15, 2024, at 11:23 AM, Ben Portner via Cryptography-dev
> <cryptography-dev@python.org> wrote:
>
>> "What would you do with metadata about KDF parameters, if you had them?"
>
> Correct me if I'm wrong. I believe those parameters (initial vector, number
> of rounds...) are required to restore the AES key from the user-provided
> password. Without those parameters one cannot restore the AES key and thus
> not decrypt the cipher text.
Ah, so you want something where you can exchange a "password protected file"
and then somehow communicate the human-entered password out of band as text,
rather than as an AES key, then have the file be otherwise self-contained?
-g
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