How do I revoke a public key in PGP?

How do I revoke a public key in PGP?

REVOKE KEY ON YOUR SYSTEM (KEYRING)

1. List keys. First of all, list the keys from your keyring: gpg –list-keys.
2. Revoke your key. Now, you need to revoke your key with the following command: gpg –output revoke.asc –gen-revoke key-ID.
3. Import revocation certificate into your keyring.

How do you revoke a public key?

A: The easiest way to do this is:

1. Make a backup of your public and secret keyrings.
2. Revoke your key with pgp -kd youruserid.
3. Extract the revoked key to a file with pgp -kxa youruserid.
4. Store the certificate in a safe location, for example on a floppy which you keep someplace else.
5. Restore the backed-up keyrings.

How do I verify a PGP key?

The process is relatively simple:

1. You download the public key of the software author.
2. Check the public key’s fingerprint to ensure that it’s the correct key.
3. Import the correct public key to your GPG public keyring.
4. Download the PGP signature file of the software.
5. Use public key to verify PGP signature.

How do I get a valid PGP key?

To generate a PGP key using the GnuPG command line tools:

1. Open a command line application, such as Terminal or PowerShell.
2. Use the following command to create a GPG key pair.
3. Press Enter to accept the default (RSA and DSA).
4. Enter a keysize.
5. Enter the key validity.

What should I do if my PGP key is revoked?

A:The easiest way to do this is: Make a backup of your public and secret keyrings. Revoke your key with pgp -kd youruserid. Extract the revoked key to a file with pgp -kxa youruserid. This file is what the manual calls the “revocation certificate.” Store the certificate in a safe location, for example on a floppy which you keep someplace else.

How can I make my public key invalid?

To discourage use of your old key, you can use a binary editor to change one of the user IDs on your public key to read Key invalid; use key 0x12345678 or something to that effect. Keep in mind that the new user ID can’t be longer than the old one, unless you know what you are doing.

How is a secret key encrypted and stored?

It takes two parts to decrypt a message, the secret key ring, and its pass phrase. The secret key is encrypted with the passphrase before it is stored in the secret keyring.