It becomes clearer every day that Apple shipped #APFS way too early.https://twitter.com/martiano_/status/913024208946556928 …
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Tried myself & it's true: #HighSierra shows the #APFS volume password as hint. Persists reboots, not stored in keychain. Wow. Just wow.pic.twitter.com/FkcHI9KHl9
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Creating a volume via diskutil, the hint, not the pw is shown. Looks like the root cause is Disk Utility storing the password as hint.
#APFSpic.twitter.com/y0vo57CjviShow this thread -
So, from the looks of it, if you haven't specified a password hint - or if you haven't used Disk Utility, you're probably safe.
#APFSShow this thread -
And if you have, you can set a different
#APFS password hint using diskutil.Show this thread -
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To be clear: this is no
#APFS flaw. It's a Disk Utility bug. Unless you added a volume using DU & ALSO entered a pw hint, you needn't worry.Show this thread -
Apple has just addressed that Disk Utility bug with a software update: https://www.macrumors.com/2017/10/05/apple-releases-macos-high-sierra-10-13-supplemental-update/ …
#APFS
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Apple's support doc on Disk Utility storing the password as hint is out. It recommends to reformat the drive: https://support.apple.com/en-us/HT208168
#APFSShow this thread -
Would be interesting why Apple recommends erasing when diskutil can clear hints: diskutil apfs setPassphraseHint [diskXsX] -user disk -clearpic.twitter.com/0khrm8aTq9
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I imagine the password is stored in the keychain, but instead of writing the hint non-securely the password is written here too.
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I thought so as well. But there's no trace of a volume password in the keychain.pic.twitter.com/SccTZWmFR4
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