How PGP works:

The following is my PGP public key, which can be used to encrypt messages intended for me.

Only I can decipher encoded messages using my PGP private key, messages which you’ve encrypted and sent to me using this public key.

By keeping my private key as a closely-held secret, I know that only I can read messages you send to me.

To anyone else encrypted messages look like gibberish and are intractable to decode.

How to use:

The block below contains two keys:

matthew@kusanagi:~$ gpg --fingerprint
/home/bobjoe/.gnupg/pubring.kbx
-------------------------------
pub   rsa3072 2020-05-02 [SC] [expires: 2022-05-02]
      866D 7032 E0B3 447D BFFA  3D95 5913 9C2B C8C7 2FCA    # <---- Fingerprint 1
uid           [ultimate] Matthew Krupczak <matthew@krupczak.org>
sub   rsa3072 2020-05-02 [E] [expires: 2022-05-02]

pub   rsa4096 2020-05-02 [SC] [expires: 2024-05-01]
      4831 0C82 468B F4BE 4D87  7960 29BD 4741 B687 AD42    # <---- Fingerprint 2
uid           [ultimate] Matthew Krupczak (foobarbat.me) <matthew@krupczak.org>

Please use the second key to encode messages (if possible), and verify the fingerprint is correct.

2. Use a PGP program to encrypt a message for me using my public key. You can email the message to me, post it on Twitter, whatever. Only I will be able to decipher it.

-----BEGIN PGP PUBLIC KEY BLOCK-----

mQGNBF6tgysBDADhV50oBPAjT4GIdeB7fFw/5TIaEwOKp6zovq3gktuvaQPNrDCc
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3e1Qvppfvljs9sdkgsk=
=co5M
-----END PGP PUBLIC KEY BLOCK-----

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