Difference between revisions of "Secret Key Cryptography"
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Revision as of 07:30, 25 September 2018
Full Title or Meme
In Secret Key Cryptography two parties that wish to communicate have some method for creating pre-shared secrets which can be used to hide subsequent communications from others.
Context
At least since the time of Julius Cesar there have been methods know to hide messages from prying eyes.
Problem
A shared secret is not really a secret any longer as either side gets to decide when to release the key and expose the communications, or allow fraudulent messages to be created.
