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{{Short description|Cryptographic structure used in block ciphers}} ...hz.ch/eserv/eth:38650/eth-38650-02.pdf On the design and security of block ciphers]''. ETH Series in Information Processing, vol. 1, Hartung-Gorre, Konstanz, ...

...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 ...f [[dynamical systems theory]] (cf. [[horseshoe map]]). Most of the modern ciphers use iterative design with number of rounds usually chosen between 8 and 32 ...

...he other one or two. This type of attack is very difficult, so most of the ciphers and encryption schemes in use were not designed to resist it.{{Citation nee ...mber=491713&isnumber=10615 "Improved “exhaustive search” attacks on stream ciphers"], European Convention on Security and Detection, 1995, vol., no., pp.161-1 ...

...is the [[exhaustive key search|exhaustive key-search]] attack. But modern ciphers often have a key space of size <math>2^{128}</math> or greater, making such ...

[[Category:Stream ciphers]] ...

== CBRNGs based on block ciphers == ...st4 = David}}</ref> two CBRNGs based on reduced-strength versions of block ciphers. ...

...h Army]] [[Cipher|Ciphers]] and [[Code|Codes]] as well as Agents codes and ciphers,<ref>{{cite web |url=https://www.nsa.gov/news-features/declassified-documen ...

{{Short description|Family of authenticated ciphers}} ...Schläffer|2016|p=17}} As of February 2023, the Ascon suite contained seven ciphers,{{sfn|NIST|2023b}} including:{{sfn|Dobraunig|Eichlseder|Mendel|Schläffer|20 ...

{{Short description|Family of lightweight block ciphers}} ...ridsen |date=28 Aug 2013 |title=Cryptanalysis of the SIMON Family of Block Ciphers|publisher=International Association for Cryptologic Research (IACR)| via=Cr ...

...is. The 3-subset variant opens up the possibility to apply MITM attacks on ciphers, where it is not trivial to divide the keybits into two independent key-spa ...ght Block Cipher KTANTAN"]</ref> and has shown its use in cryptanalysis of ciphers, such as the lightweight block-cipher family KTANTAN. ...

...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 ...eir attack on AES. Prior to this, MITM attacks on AES and many other block ciphers had received little attention, mostly due to the need for independent key b ...

...ndard ([[Information security]] - Lightweight cryptography - Part 2: Block ciphers). As is typical for iterated block ciphers, reduced-round variants have been attacked. ...

...a in facilitating attacks, such as by identifying data encrypted with weak ciphers or obsolete algorithms, fingerprinting applications to track users or ident ...ended to be decrypted by several different recipients, public keys, and/or ciphers presents the additional technical challenge that each recipient must find a ...

...st3=Hua-jin |title=Impossible Differential Attack on QARMA Family of Block Ciphers |url=https://eprint.iacr.org/2018/334 |journal=Cryptology ePrint Archive |d [[Category:Block ciphers]] ...

...a truly random set of bits. For most [[Public-key cryptography|asymmetric ciphers]] the private keys are either numbers chosen at random with certain constra ...

In ciphers where array lookup depends on either the key or plaintext (as is the case f [[Category:Block ciphers]] ...

...elated key which is very cheap to compute. Unlike most other "lightweight" ciphers, it has a small number of rounds and the layers constituting a round have l ...ng|first8=Yanfeng|last8=Wang|title=Reflection Cryptanalysis of PRINCE-Like Ciphers|url=http://research.ics.aalto.fi/publications/bibdb2012/public_pdfs/FSE2013 ...

FCSRs have been used in the design of [[stream ciphers]] (such as the [[F-FCSR]] generator), in the [[cryptanalysis]] of the [[sum [[Category:Stream ciphers]] ...

In the 3-subset attack on the KTANTAN family of ciphers, it was necessary to utilize partial-matching in order to stage the attack. ...

...While some Boolean functions are vulnerable to correlation attacks, stream ciphers generated using such functions are not inherently insecure. ...Sons, Inc. 1996. {{ISBN|0-471-12845-7}}. Page 382 of section 16.4: Stream Ciphers Using LFSRs. ...