In this thread, I'll be giving some tips on GnuPG. I will not be explaining the basic commands, but rather giving out a few useful commands that I use every now and then. As time goes by I'll be adding more tips.
1. Always create a strong password. Preferably use a passphrase as long as you can remember it. A long passphrase is very important. If anyone ever manages to access your private key, the longer the passphrase the safer it is. If you lose your passphrase, you'll lose access to your private key and everything that has been encrypted with it, so be careful.
Want a passphrase example? OK: "Th3 l1ttl3 r3d riding H00d @t3 Some w0lf m3@t". Mix lower and uppercase letters, numbers and symbols.
2. How to create a password wallet:
After you have successfully created your own private key with GnuPG, one of the things I use the most is a text file containing my various passwords, protected with GnuPG.
Encrypt: $ gpg -r compass -o password.gpg -e password.txt (-r means "id name"; -o means output file; -e means file to encrypt)
Decrypt: $ gpg -d password.gpg | grep -i google (this command will decrypt password.gpg to your screen; grep -i will filter the output so only the line containing "google" will be shown; this helps to filter what you want in case password.txt is big)
Once this is done, you can upload multiple copies of your password.gpg file to anywhere you want. It will be safe as long as you keep your private key and passphrase safe.
3. How to verify multiple .asc files in one go:
$ gpg –verify-files *.asc
4. And don't forget: https://www.gnupg.org/faq/gnupg-faq.html
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