Tag Info

New answers tagged


When talking about encryption with block ciphers, you should distinguish block cipher itself from the mode of operation that employs the block cipher. Block cipher takes an input $P$ of fixed length $n$ and transforms it under key $K$ (and possibly under other parameters such as tweak $T$) to output $C$ of the same length $n$: $$ E:\; P \xrightarrow{K(,T)} ...

Top 50 recent answers are included