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)
“There saw I how the secret felon wrought,
And treason labouring in the traitor’s thought,
And midwife Time the ripened plot to murder brought.”
—Geoffrey Chaucer (1340?–1400)
“Thou hast the keys of Paradise, oh just, subtle, and mighty opium!”
—Thomas De Quincey (1785–1859)