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How to encrypt files with GPG

GPG aka PGP aka Pretty Good Privacy is the gold standard of encryption

If you want to send Faraday a file securely, here is our GPG public key:
-----BEGIN PGP PUBLIC KEY BLOCK-----
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=d1iu
-----END PGP PUBLIC KEY BLOCK-----

If your software is sensitive to expiry dates, here is a key you can use instead:

-----BEGIN PGP PUBLIC KEY BLOCK-----
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=DKhY
-----END PGP PUBLIC KEY BLOCK----

Either key is acceptable.