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:
“Common sense is judgment without reflection, shared by an entire class, an entire nation, or the entire human race.”
—Giambattista Vico (1688–1744)
“The great secret of succeeding in conversation is to admire little, to hear much; always to distrust our own reason, and sometimes that of our friends; never to pretend to wit, but to make that of others appear as much as possibly we can; to hearken to what is said and to answer to the purpose.”
—Benjamin Franklin (1706–1790)
“Bless all useful objects,
the spoons made of bone,
the mattress I cook my dreams upon,
the typewriter that is my church
with an altar of keys always waiting.”
—Anne Sexton (1928–1974)