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:
“When our kids are young, many of us rush out to buy a cute little baby book to record the meaningful events of our young child’s life...But I’ve often thought there should be a second book, one with room to record the moral milestones of our child’s lives. There might be space to record dates she first shared or showed compassion or befriended a new student or thought of sending Grandma a get-well card or told the truth despite its cost.”
—Fred G. Gosman (20th century)
“Awareness of having better things to do with their lives is the secret to immunizing our children against false values—whether presented on television or in “real life.” The child who finds fulfillment in music or reading or cooking or swimming or writing or drawing is not as easily convinced that he needs recognition or power or some “high” to feel worthwhile.”
—Polly Berrien Berends (20th century)
“Thou hast the keys of Paradise, O just, subtle, and mighty opium!”
—Thomas De Quincey (1785–1859)