Block Ciphers

A block cipher is a pair of functions $E: \{0, 1\}^k \times \{0, 1\}^n \rightarrow \{0, 1\}^n$ and $D: \{0, 1\}^k \times \{0, 1\}^n \rightarrow \{0, 1\}^n$ that encode and decode a length $n$ string with a length $k$ key.

Parameters

$n$ : text length (block size)
$k$ : key length

Related Problems

Block Ciphers

Filters

Computational Model

Randomization

Approximation

Algorithms Table

Displaying 5 of 5 algorithms

				See more
Rijndael / AES	2001	$O(n)$	$O(n)$
RC5	1994	$O(n)$	$O(k+rw)$
Blowfish	1993	$O(n)$	$O(n)$
IDEA	1991	$O(n)$	$O(n)$
Lucifer / DES	1976	$O(n)$	$O(n)$

Reductions Table

Insuffient Data to display table

Other relevant algorithms

Insuffient Data to display table