Cifro Ergo Sum utility

Generate a key-pair

$ gpg --gen-key

Upload the key

$ gpg --send-keys --keyserver pgp.mit.edu $KEYID

Revoke a key

$ gpg --gen-revoke $KEYID

Save the certificate-block in $FILE . Import the revocation certificate:

$ gpg --import $FILE

Check the key is correctly revoked:

$ gpg --list-sigs $KEYID

Should say revoked in the first line and rev in the second one.

Upload the revoked key

$ gpg --send-keys --keyserver pgp.mit.edu $KEYID

List all keys

$ gpg --list-keys

List a specific key

$ gpg --list-keys $NAME

or:

$ gpg --list-keys $KEYID

Export the public key

$ gpg --export --armor $KEYID > pubkey.txt

Export the private key

$ gpg --export-secret-keys --armor $KEYID > pubkey.txt

Import a public or private key

$ gpg --import $FILE
$ gpg --recv-keys --keyserver pgp.mit.edu $KEYID

Interactively edit a key

$ gpg --edit-key $KEYID

Encrypt symmetric (very strong):

$ gpg --cipher-algo RIJNDAEL256 -o $CRYPT-FILE -c $PLAIN-FILE

Decrypt symmetric:

$ gpg --cipher-algo RIJNDAEL256 -o $PLAIN-FILE --decrypt $CRYPT-FILE

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• crypto 1
• gpg 1