LUKS passphrase question

adam peterson <adamjp-cl+VPiYnx/[email protected]> Thu, 9 Jul 2020 15:35:25 -0500 (CDT)
Newsgroups gmane.linux.kernel.device-mapper.dm-crypt
Message-ID <[email protected]>
Hello dm-crypt and LUKS team,

I have a simple question regarding a sentence I found on the Fedora wiki in their encryption section. Here's a the quote, "LUKS does provide passphrase strengthening but it is still a good idea to choose a good (meaning "difficult to guess") passphrase."

What is meant by passphrase strengthening exactly and how is it accomplished?

Thank you,
- Adam Peterson

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