Shared Secret Keys
Secret-key (symmetric) cryptography requires the initial exchange of a shared key in a manner that is private and integrity-assured. When done right, MITM attack is prevented. However, without the use of public-key cryptography, one may be left with undesirable key-management problems.
Read more about this topic: Key-agreement Protocol
Famous quotes containing the words shared, secret and/or keys:
“The cot we shared is almost a prison
where I can’t say buttercup, bobolink,
sugarduck, pumpkin, love ribbon, locket,
valentine, summergirl, funnygirl and all
those nonsense things one says in bed.”
—Anne Sexton (1928–1974)
“It is certain that if you would have the whole secret of a people, you must enter into the intimacy of their religion.”
—Edgar Quinet (1803–1875)
“Thou hast the keys of Paradise, O just, subtle, and mighty opium!”
—Thomas De Quincey (1785–1859)