Word.ws English Dictionary

S-box

/ˈɛsˌbɒks/

S-box noun: a basic component of symmetric-key algorithms, which performs substitution, transforming one set of bits into another.

Noun

S-box (plural S-boxes)

  1. A basic component of symmetric-key algorithms, which performs substitution, transforming one set of bits into another.
    • In block ciphers, S-boxes are typically used to obscure the relationship between the key and the ciphertext.

Forms of S-box

pluralS-boxes

Origin of S-box

Short for substitution box.

Questions about S-box

What does S-box mean?
S-box means a basic component of symmetric-key algorithms, which performs substitution, transforming one set of bits into another.
What part of speech is S-box?
S-box is a noun.
How do you pronounce S-box?
S-box is pronounced /ˈɛsˌbɒks/.
What is the plural of S-box?
The plural of S-box is S-boxes.

Words near S-box in the dictionary

  1. S-bend
  2. S-bends
  3. s-block
  4. s-bomb
  5. s-bombs
  6. S-box
  7. S-boxes
  8. S-bucks
  9. s-cis
  10. s-commerce
  11. S-curve

Source and license

Adapted from Wiktionary: S-box (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-S-box.wav.

Cite this entry: “S-box.” Word.ws, https://word.ws/s-box. Based on Wiktionary, CC BY-SA 4.0.