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:
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—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)
“Thou hast the keys of Paradise, oh just, subtle, and mighty opium!”
—Thomas De Quincey (1785–1859)