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Ciphertext vs Keystream - What's the difference?

ciphertext | keystream |

As nouns the difference between ciphertext and keystream

is that ciphertext is encoded text, text that is unreadable while keystream is (cryptography) a stream of random or pseudorandom characters that are combined with the plaintext to produce a ciphertext.

ciphertext

English

Noun

(en noun)
  • Encoded text, text that is unreadable.
    • All ciphertexts look alike; that's how you know it's in code.

    Antonyms

    * plain text

    keystream

    English

    (wikipedia keystream)

    Noun

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

    • Anagrams

    *