Displaying encryption password

Hello,
I've got a bit of a dilemma on my hands. I've encrypted a hard drive on one of my computers(#1) where the password is logged, I assume, in the keychain database and so the hard drive is accessible. Now, I've plugged this hard drive into another one of my computers(#2) where the password is not logged and I've seemingly forgot the password, so I can't access it.
My question is, is it somehow possible to display the encryption password …

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