I will personally pay you the sum of 500 Bitcoins if you can demonstrate a realistic active MitM attack on OpenSSH that allows an active network level attacker to &quot;pass the authentication request to the original&quot; and gain full MitM.<p>Conditions:<p>Public key authentication must be used for authentication.<p>If it&#x27;s possible to perform the attack passively(e.g on pcaps), it doesn&#x27;t qualify.<p>This attack has to affect setups using both the latest OpenSSH client and server with default configuration.<p>This attack has to be able to be performed in realtime using the processing power of a 2015 macbook model of your choosing.<p>This attack cannot rely on attacker having any other access but the ability to tamper with the connection however much he wants.<p>This attack cannot rely on known flaws in the encryption algorithms.<p>With full MitM I am referring to the ability to at least access the plaintext communications between the client and server. Eg if the user runs &#x27;sudo&#x27;, the ability to see the password entered.<p>Please consider this offer legally binding, if you have any questions I will answer them and you can consider the answers binding too.<p>Good luck.