Authenticating [NAME] [NAME] is authenticating you Authenticating a buddy helps ensure that the person you are talking to is who he or she claims to be. It also helps ensure that noone else is listening to the private conversation. How would you like to authenticate [NAME]? [NAME] is authenticating you by a Question and answer challenge Shared secret challenge Question and answer Shared secret Manual fingerprint verification To authenticate using a question, pick a question whose answer is known only to you and your buddy. Enter the question and correct answer, push "Authenticate", then wait for your buddy to enter the answer too. If the answers don't match, then either your buddy made a mistake typing in the answer, or you may be talking to an imposter. Enter question here: Enter secret answer here (case sensitive): To authenticate someone with the shared secret method, you and your buddy should decide on a secret word or phrase in advance. This can be done however you like, but you shouldn't type the phrase directly into your conversation. Enter this secret, push "Authenticate", then wait for your buddy to enter the answer too. If the secrets don't match, then either your buddy made a mistake typing in the secret, or you may be talking to an imposter. Enter secret here (case sensitive): To authenticate using fingerprints, contact your buddy via some other authenticated channel, such as the telephone or GPG-signed email. Each of you should tell your fingerprint to the other. If everything matches up, you should indicate in the pull-down below that you have verified the fingerprint. Your fingerprint, tell them this: Their fingerprint, be sure that they tell you this: howto explanation text label 1 text label 2 I have NOT verified their fingerprint. I HAVE verified their fingerprint.