Nihilist ciphers

A form of Nihilist cipher — A symmetric cipher in which a Polybius square using a mixed alphabet is used to convert both the plain text and a keyword to a series of two-digit numbers, which are then summed in the normal way to get the ciphertext, with the key numbers repeated as required; (by extension) Any of several improved algorithms based on this.

Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

noun
  1. pluralplural of Nihilist cipher
Cite this entry
APA

Nihilist ciphers. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Nihilist%20ciphers

MLA

“Nihilist ciphers.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Nihilist%20ciphers. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Nihilist ciphers,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Nihilist%20ciphers.

Source: Nihilist ciphers on Wiktionary, CC BY-SA 4.0.