Perfect Forward Secrecy (PFS)

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Abbreviations / Acronyms / Synonyms:

PFS

NIST SP 800-77 Rev. 1

Definitions:

An option that causes a new secret key to be created and shared through a new Diffie-Hellman key exchange for each IPsec SA. This provides protection against the use of compromised old keys that could be used to attack the newer derived keys still in use for integrity and confidentiality protection.
Sources:
NIST SP 800-77 Rev. 1

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.