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- DFC_(cipher) abstract "In cryptography, DFC (Decorrelated Fast Cipher) is a symmetric block cipher which wascreated in 1998 by a group of researchers from École Normale Supérieure, CNRS, and France Télécom (including Jacques Stern and Serge Vaudenay) and submitted to the AES competition.Like other AES candidates, DFC operates on blocks of 128 bits, using a key of 128, 192, or 256 bits. It uses an 8-round Feistel network. The round function uses a single 6×32-bit S-box, as well as an affine transformation mod 264+13. DFC can actually use a key of any size up to 256 bits; the key schedule uses another 4-round Feistel network to generate a 1024-bit "expanded key". The arbitrary constants, including all entries of the S-box, are derived using the binary expansion of e as a source of "nothing up my sleeve numbers".Soon after DFC's publication, Ian Harvey raised the concern that reduction modulo a 65-bit number was beyond the native capabilities of most platforms, and that careful implementation would be required to protect against side-channel attacks, especially timing attacks. Although DFC was designed using Vaudenay's decorrelation theory to be provably secure against ordinary differential and linear cryptanalysis, in 1999 Lars Knudsen and Vincent Rijmen presented a differential chosen-ciphertext attack that breaks 6 rounds faster than exhaustive search.In 2000, Vaudenay, et al. presented an updated version of the algorithm, called DFCv2. This variant allows for more choice in the cipher's parameters, and uses a modified key schedule to eliminate certain weak keys discovered by Don Coppersmith.".
- DFC_(cipher) wikiPageExternalLink gilbert98decorrelated.html.
- DFC_(cipher) wikiPageExternalLink granboulan00dfcv.html.
- DFC_(cipher) wikiPageExternalLink harvey.pdf.
- DFC_(cipher) wikiPageExternalLink article-367.ps.
- DFC_(cipher) wikiPageExternalLink DFC.
- DFC_(cipher) wikiPageID "7955867".
- DFC_(cipher) wikiPageLength "4175".
- DFC_(cipher) wikiPageOutDegree "44".
- DFC_(cipher) wikiPageRevisionID "590993800".
- DFC_(cipher) wikiPageWikiLink AES_competition.
- DFC_(cipher) wikiPageWikiLink Advanced_Encryption_Standard_process.
- DFC_(cipher) wikiPageWikiLink Affine_transformation.
- DFC_(cipher) wikiPageWikiLink Block_cipher.
- DFC_(cipher) wikiPageWikiLink CNRS.
- DFC_(cipher) wikiPageWikiLink COCONUT98.
- DFC_(cipher) wikiPageWikiLink Category:Feistel_ciphers.
- DFC_(cipher) wikiPageWikiLink Centre_national_de_la_recherche_scientifique.
- DFC_(cipher) wikiPageWikiLink Chosen-ciphertext_attack.
- DFC_(cipher) wikiPageWikiLink Cryptography.
- DFC_(cipher) wikiPageWikiLink Decorrelation_theory.
- DFC_(cipher) wikiPageWikiLink Differential_attack.
- DFC_(cipher) wikiPageWikiLink Differential_cryptanalysis.
- DFC_(cipher) wikiPageWikiLink Don_Coppersmith.
- DFC_(cipher) wikiPageWikiLink E_(mathematical_constant).
- DFC_(cipher) wikiPageWikiLink Fast_Software_Encryption.
- DFC_(cipher) wikiPageWikiLink Feistel_cipher.
- DFC_(cipher) wikiPageWikiLink Feistel_network.
- DFC_(cipher) wikiPageWikiLink France_Télécom.
- DFC_(cipher) wikiPageWikiLink Henri_Gilbert.
- DFC_(cipher) wikiPageWikiLink Jacques_Stern.
- DFC_(cipher) wikiPageWikiLink Key_schedule.
- DFC_(cipher) wikiPageWikiLink Lars_Knudsen.
- DFC_(cipher) wikiPageWikiLink Linear_cryptanalysis.
- DFC_(cipher) wikiPageWikiLink Nothing_up_my_sleeve_number.
- DFC_(cipher) wikiPageWikiLink Orange_S.A..
- DFC_(cipher) wikiPageWikiLink PDF.
- DFC_(cipher) wikiPageWikiLink Portable_Document_Format.
- DFC_(cipher) wikiPageWikiLink PostScript.
- DFC_(cipher) wikiPageWikiLink Provable_security.
- DFC_(cipher) wikiPageWikiLink Rome.
- DFC_(cipher) wikiPageWikiLink S-box.
- DFC_(cipher) wikiPageWikiLink Selected_Areas_in_Cryptography.
- DFC_(cipher) wikiPageWikiLink Serge_Vaudenay.
- DFC_(cipher) wikiPageWikiLink Side-channel_attack.
- DFC_(cipher) wikiPageWikiLink Springer-Verlag.
- DFC_(cipher) wikiPageWikiLink Springer_Science+Business_Media.
- DFC_(cipher) wikiPageWikiLink Substitution_box.
- DFC_(cipher) wikiPageWikiLink Symmetric-key_algorithm.
- DFC_(cipher) wikiPageWikiLink Timing_attack.
- DFC_(cipher) wikiPageWikiLink Vincent_Rijmen.
- DFC_(cipher) wikiPageWikiLink Waterloo,_Ontario.
- DFC_(cipher) wikiPageWikiLink Weak_key.
- DFC_(cipher) wikiPageWikiLink École_Normale_Supérieure.
- DFC_(cipher) wikiPageWikiLinkText "DFC (cipher)".
- DFC_(cipher) wikiPageWikiLinkText "DFC".
- DFC_(cipher) blockSize "128".
- DFC_(cipher) cryptanalysis "Knudsen and Rijmen's differential attack breaks 6 rounds".
- DFC_(cipher) designers "Jacques Stern, Serge Vaudenay, et al.".
- DFC_(cipher) hasPhotoCollection DFC_(cipher).
- DFC_(cipher) keySize "128192".
- DFC_(cipher) name "DFC".
- DFC_(cipher) publishDate "1998".
- DFC_(cipher) relatedTo COCONUT98.
- DFC_(cipher) rounds "8".
- DFC_(cipher) structure Feistel_cipher.
- DFC_(cipher) structure Feistel_network.
- DFC_(cipher) wikiPageUsesTemplate Template:About.
- DFC_(cipher) wikiPageUsesTemplate Template:Cite_conference.
- DFC_(cipher) wikiPageUsesTemplate Template:Cite_paper.
- DFC_(cipher) wikiPageUsesTemplate Template:Crypto-stub.
- DFC_(cipher) wikiPageUsesTemplate Template:Cryptography_navbox.
- DFC_(cipher) wikiPageUsesTemplate Template:Infobox_block_cipher.
- DFC_(cipher) subject Category:Feistel_ciphers.
- DFC_(cipher) hypernym Cipher.
- DFC_(cipher) comment "In cryptography, DFC (Decorrelated Fast Cipher) is a symmetric block cipher which wascreated in 1998 by a group of researchers from École Normale Supérieure, CNRS, and France Télécom (including Jacques Stern and Serge Vaudenay) and submitted to the AES competition.Like other AES candidates, DFC operates on blocks of 128 bits, using a key of 128, 192, or 256 bits. It uses an 8-round Feistel network. The round function uses a single 6×32-bit S-box, as well as an affine transformation mod 264+13.".
- DFC_(cipher) label "DFC (cipher)".
- DFC_(cipher) sameAs m.026lclk.
- DFC_(cipher) sameAs DFC.
- DFC_(cipher) sameAs Q4036876.
- DFC_(cipher) sameAs Q4036876.
- DFC_(cipher) wasDerivedFrom DFC_(cipher)?oldid=590993800.
- DFC_(cipher) isPrimaryTopicOf DFC_(cipher).