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I had my GPG password stored in a text file on my PDA, until I memorized it. Somehow, my text file got deleted, and I need to be able to get my password back. Is there a way? I don't want to do another key, becuase I've just gotten this one configured. Please?
Sorry to say that, but there is no way to "recover" your password. This is the whole idea behind gpg, _not_ to be able to generate the password (passphrase) from your encrypted data or public/private key.
There is a way to generate a new passphrase, but for that you have to supply your old passphrase.
I hope you generated a revocation certificate to invalidate your (now useless) keypair. This is necessary to make sure your old public key will not be used in the future by accident.
It is always a good idea to make a backup copy of your passphrase. One advise is to print out your passphrase on paper and store it in a safe place where only you have access to.