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Decrypting FileVault 2 on Mac OS X 10.8.4 – Unlock first, then decrypt

June 11, 2013 15 comments

As a follow-up to my earlier post about not being able to decrypt FileVault 2 from the Recovery HD partition, it looks like Apple has changed the process for how decryption works. Previously, you could run a command to decrypt on a locked FileVault 2-encrypted boot volume and it would decrypt.

As of 10.8.4, it appears that Apple now requires that the encrypted volume be unlocked first. Once it’s unlocked, then you can decrypt. See below the jump for details.

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