Contact your intended conversation partner via some other authenticated channel, such as OpenPGP-signed email or over the phone. You should tell each other your fingerprints. (A fingerprint is a checksum that identifies an encryption key.) If the fingerprint matches, you should indicate in the dialog below that you have verified the fingerprint.
Continger tu companion de conversation desirate via alcun altere canal authenticate, tal como email firmate OpenPGP o trans le telephono. Vos deberea excambiar vostre dactylogrammas. (Un impression digital es un checksum que identifica un clave de cryptographia.) Si le impression digital concorda, tu debe indicar in le fenestra de dialogo infra que tu ha verificate le impression digital.