Brute force my own .dmg file I forgot the password to. Mac on a Lacie HDD

This topic contains 1 reply, has 2 voices, and was last updated by ppictures 1 month, 1 week ago.

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December 3, 2020 at 12:18 pm #336998

anonymous
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I backed up a dmg file years ago and have 2 copies sitting around.. really annoying since I have some old things there I need. I read that this might help but I *never* “hack” anything and don’t know if this is safe and how it even works > [https://www.openwall.com/john/](https://www.openwall.com/john/)
If I recall correctly, my password was somewhere around 15 characters/symbols/letters. Might be a totally lost cause but I really need help at least trying. Anyone have any ideas?
EDIT: I also have access to a decently fast PC, but not sure if it’s better to try from a mac since it’s formatted to work with the OS
December 3, 2020 at 12:18 pm #337000

ppictures
12 characters assuming only lowercase letters takes around 2 centuries to brute force on the latest snd greatest CPU. [source](https://www.betterbuys.com/estimating-password-cracking-times/).
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