keystream

Noun

Meaning

keystream (plural keystreams)

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

Anagrams

Examples

A one-time pad uses a keystream of completely random digits. Source: Internet

A stream cipher is a symmetric key cipher where plaintext digits are combined with a pseudorandom cipher digit stream ( keystream ). Source: Internet

In the most common form, binary digits are used ( bits ), and the keystream is combined with the plaintext using the exclusive or operation (XOR). Source: Internet

Description RC4 generates a pseudorandom stream of bits (a keystream ). Source: Internet

Klein's attack In 2005, Andreas Klein presented an analysis of the RC4 stream cipher showing more correlations between the RC4 keystream and the key. Source: Internet

However, the keystream must be generated completely at random with at least the same length as the plaintext and cannot be used more than once. Source: Internet

Close letter words and terms