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)
“I, a virgin, can make my frank boast that I communicate to no mortal man my secret counsels except to such as I have chosen on account of their taciturnity; then, if these secrets are later discovered, I know whom to accuse.”
—Elizabeth I (1533–1603)
“And yet we constantly reclaim some part of that primal spontaneity through the youngest among us, not only through their sorrow and anger but simply through everyday discoveries, life unwrapped. To see a child touch the piano keys for the first time, to watch a small body slice through the surface of the water in a clean dive, is to experience the shock, not of the new, but of the familiar revisited as though it were strange and wonderful.”
—Anna Quindlen (b. 1952)