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...ng the same function, parameterized by the '''round constant''' and, for [[block cipher]]s, the ''round key'' from the [[key schedule]]. Parameterization is ...ds. However, increasing the number of rounds does not ''always'' make weak ciphers into strong ones, as some attacks do not depend on the number of rounds.{{s ...

{{Short description|Family of lightweight block ciphers}} {{Infobox block cipher ...

...iclique cryptanalysis is based on MITM attacks, it is applicable to both [[block cipher]]s and (iterated) [[Cryptographic hash function|hash-functions]]. Bi ...attack, which suggests a new approach to performing cryptanalysis on block ciphers. The attack has also rendered more information about AES, as it has brought ...

| block size = <math display="block">2^c S B = 2^c R + 2^c H(R \parallel A \parallel M) A.</math> ...

| block size = ...ts off with subkeys in a standard state, then uses this state to perform a block encryption using part of the key, and uses the result of that encryption (w ...

...-09-16 |url-status=dead }}</ref> whose weak [[40-bit encryption]] could be broken in a matter of days using a single personal computer. A similar situation o ...ed Kingdom]] withheld export licenses from exporters unless they used weak ciphers or short keys, and generally discouraged practical public cryptography.<ref ...

...Ratcliff: Delusions of Intelligence: Enigma, Ultra, and the End of Secure Ciphers. Oct 2006, p 36</ref><ref>John Ferris: Intelligence and Strategy: Selected ...Ratcliff: Delusions of Intelligence: Enigma, Ultra, and the End of Secure Ciphers. Oct 2006, p. 38-40</ref> ...