Signing a Key

Signing another person's key means you are giving trust to that person. Before signing a key, you have to carefully check the key's fingerprint to be sure that the key really belongs to that person.

To sign a key in your keyring:

  • Select the key you want to sign from the Trusted Keys or Other Collected Keys tabs,
  • Choose Sign from the toolbar or File ▸ Sign,
  • Select how carefully the key has been checked,
  • Indicate if the signature should be local to your keyring, and if your signature can be revoked,
  • Click on Sign.