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

Is it or ?

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

1 Answer 1

up vote 2 down vote accepted

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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