I am wondering: what is the most common, or most used, block cipher mode used that goes with CTS (CypherText Stealing)?

Is it or ?

  • 1
    $\begingroup$ What is CTS? CipherText Stealing? $\endgroup$
    – poncho
    Mar 8 '13 at 19:43
  • $\begingroup$ Yes. I guess this is really a matter of opinion. $\endgroup$
    – h221baker
    Mar 8 '13 at 20:10
  • 1
    $\begingroup$ You should not use ECB at all (it is insecure), so I hope it is not "usual". $\endgroup$ Mar 8 '13 at 20:24
  • $\begingroup$ What is the ebc tag? I sense a typo from e-sushi. $\endgroup$
    – Artjom B.
    Jul 14 '14 at 8:35

There is a NIST definition of CTS (CipherText Stealing) mode in the addendum to NISTSP800-38A.

The title of that addendum answers the question:

"Recommendation for Block Cipher Modes of Operation: Three Variants of Ciphertext Stealing for CBC Mode".

The paper is also useful to understand that there are many different ways to do ciphertext stealing.


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