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:
“Paul loved to sleep with his mother. Sleep is still most perfect, in spite of hygienists, when it is shared with a beloved.”
—D.H. (David Herbert)
“There are secret articles in our treaties with the gods, of more importance than all the rest, which the historian can never know.”
—Henry David Thoreau (1817–1862)
“without luggage or defenses,
giving up my car keys and my cash,
keeping only a pack of Salem cigarettes
the way a child holds on to a toy.
I signed myself in where a stranger
puts the inked-in X’s”
—Anne Sexton (1928–1974)