Self-dual Key

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Definition(s):

A key with the property that when you encrypt twice with this key, the result is the initial input.
Source(s):
NIST SP 800-20

Glossary Comments

Comments about specific definitions should be sent to the authors of the linked Source publication. For NIST publications, an email is usually found within the document.

Comments about the glossary's presentation and functionality should be sent to secglossary@nist.gov.

See NISTIR 7298 Rev. 3 for additional details.