Kerckhoffs's principle

proper noun

The idea that a cryptosystem should be designed to be secure, even if everything about the system, except the secret key, is public knowledge.

Meanings

proper noun
  1. computingThe idea that a cryptosystem should be designed to be secure, even if everything about the system, except the secret key, is public knowledge.

Origin

Named after Dutch linguist and cryptographer Auguste Kerckhoffs (1835–1903).

Full word history & related roots →
Cite this entry
APA

Kerckhoffs's principle. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Kerckhoffs's%20principle

MLA

“Kerckhoffs's principle.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Kerckhoffs's%20principle. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “Kerckhoffs's principle,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Kerckhoffs's%20principle.

Source: Kerckhoffs's principle on Wiktionary, CC BY-SA 4.0.