Key-agreement Protocol - Shared Secret Keys

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 is a doctrine uttered in secret that man is a prisoner who has no right to open the door of his prison and run away.”
    —Plato (c. 427–347 B.C.)

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