I get the feeling there is nothing left unhackable. Even a typewriter, they can plant a effing video recorder somewhere and film you typing. It used to be you made fun of the guy with tin foil on his head to "block transmissions."
On 3/2/15, John Rose via AGI <[email protected]> wrote: >> -----Original Message----- >> From: Matt Mahoney via AGI [mailto:[email protected]] >> >> Peers need to know when two messages are from the same source. If a peer >> earns a reputation for being a reliable source of information (like Google >> or >> your bank), then malicious peers will try to spoof messages from them. To >> prevent this, peers sign their messages using a mutually agreed secret >> key >> chosen at random. After an initial exchange (using e.g. Diffie-Hellman), >> I >> send you a message and a signature like SHA256(message + key). You >> receive >> the message, compute the signature, and compare it to the signature that >> I >> sent you. Since nobody else knows the key, and the hash is not invertible, >> you >> know the message must have come from me. >> > > > Well, that's the same as using HTTPS or another application layer protocol > over TLS/SSL with certificates signed by a certificate authority no? Though > in your communications protocol you control the signing and encryption > algorithm and everyone need not get a CA signed cert I suppose. > > John > > > > > > > ------------------------------------------- > AGI > Archives: https://www.listbox.com/member/archive/303/=now > RSS Feed: https://www.listbox.com/member/archive/rss/303/11943661-d9279dae > Modify Your Subscription: > https://www.listbox.com/member/?&; > Powered by Listbox: http://www.listbox.com > ------------------------------------------- AGI Archives: https://www.listbox.com/member/archive/303/=now RSS Feed: https://www.listbox.com/member/archive/rss/303/21088071-f452e424 Modify Your Subscription: https://www.listbox.com/member/?member_id=21088071&id_secret=21088071-58d57657 Powered by Listbox: http://www.listbox.com
