Robert,
I had a situation where I remembered almost all but two characters of my passphrase and I was able to use cracker software to brute force the missing characters. I don't remember which software I used but two characters doesn't offer a lot of entropy. If you can identify which positions in the passphrase string might be German characters, you might be able to setup a brute force cracking template.
This only makes sense if you otherwise have almost all of the correct passphrase.
On Thursday, December 26, 2019, 4:24:55 PM EST, robert.wender@xxxxxxxxxxx <robert.wender@xxxxxxxxxxx> wrote:
Hello,
I'm suddenly unable to decrypt my Linux Mint partition, SSD. I get this error message:
"Enter passphrase for /dev/nvme0n1p3:
No key available with this passphrase."
It was encrypted at install (entire drive).
I'm using only this drive, and only Linux Mint, nothing else. I didn't do any updates, I didn't even install anything before it stopped working (worked for about half a year).
I don't have any backup.
What I did do is clean my keyboard. I use German layout, and there's _underscores_ in my password. But I tested everything I could think of
I tested all my keys a lot of times, it's always correct, wrote my password the way I always did, I wrote it assuming US layout, wrote it using a different keyboard, tried decrypting using Linux Mint live CD, Fedora live CD, tried all the German keyboard layouts, some English ones.
cryptsetup luksDump /dev/nvme0n1p3:
I don't know much about that, does it look fine?
I also searched the hexdump for words and used the Key-Slot Checker, seems fine.
Should I just continue testing all existing layouts? Or does something look strange/does someone have an idea what to try?
Regards,
Robert
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