keystream

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noun

A stream of random or pseudorandom characters that are combined with the plaintext to produce a ciphertext.

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Meanings

nounkeystream (plural keystreams)

plural keystreams

  1. computingA stream of random or pseudorandom characters that are combined with the plaintext to produce a ciphertext.

Origin

From key + stream.

Full word history & related roots →

Rhymes & wordplay

Anagrams

keymaster
Cite this entry
APA

keystream. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/keystream

MLA

“keystream.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/keystream. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “keystream,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/keystream.

Source: keystream on Wiktionary, CC BY-SA 4.0.