S-box

Hello, you have come here looking for the meaning of the word S-box. In DICTIOUS you will not only get to know all the dictionary meanings for the word S-box, but we will also tell you about its etymology, its characteristics and you will know how to say S-box in singular and plural. Everything you need to know about the word S-box you have here. The definition of the word S-box will help you to be more precise and correct when speaking or writing your texts. Knowing the definition ofS-box, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.

English

English Wikipedia has an article on:
Wikipedia

Etymology

Short for substitution box.

Pronunciation

This entry needs pronunciation information. If you are familiar with the IPA or enPR then please add some!
  • Audio (US):(file)

Noun

S-box (plural S-boxes)

  1. (cryptography) 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.