gpg

GNU Privacy Guard.

See `gpg2` for GNU Privacy Guard 2.

• Create a GPG public and private key interactively:

gpg --full-generate-key

• Sign `doc.txt` without encryption (writes output to `doc.txt.asc`):

gpg --clearsign {doc.txt}

• Encrypt `doc.txt` for alice@example.com (output to `doc.txt.gpg`):

gpg --encrypt --recipient {alice@example.com} {doc.txt}

• Encrypt `doc.txt` with only a passphrase (output to `doc.txt.gpg`):

gpg --symmetric {doc.txt}

• Decrypt `doc.txt.gpg` (output to stdout):

gpg --decrypt {doc.txt.gpg}

• Import a public key:

gpg --import {public.gpg}

• Export public key for alice@example.com (output to stdout):

gpg --export --armor {alice@example.com}

• Export private key for alice@example.com (output to stdout):

gpg --export-secret-keys --armor {alice@example.com}

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