Symmetric-key algorithm: Difference between revisions

Revision as of 21:45, 10 October 2024

Revision as of 20:48, 3 November 2024

Line 36:

== Key establishment ==

{{ main | keyKey establishment }}

Symmetric-key algorithms require both the sender and the recipient of a message to have the same secret key. All early cryptographic systems required either the sender or the recipient to somehow receive a copy of that secret key over a physically secure channel.