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- Akelarre_(cipher) abstract "Akelarre is a block cipher proposed in 1996, combining the basic design of IDEA with ideas from RC5. It was shown to be susceptible to a ciphertext-only attack in 1997. Akelarre is a 128-bit block cipher with a variable key-length which must be some multiple of 64 bits. The number of rounds is variable, but four are suggested. The round function of Akelarre is similar to IDEA in structure. After the successful cryptanalysis of Akelarre, its designers responded with an updated variant called Ake98. This cipher differs from the original Akelarre in the new AR-box (Addition-Rotation box), the swapping of words at the end of a round, and the addition of subkeys at the beginning of each round. In 2004, Jorge Nakahara, Jr. and Daniel Santana de Freitas found large classes of weak keys for Ake98. These weak keys allow a cryptanalysis faster than exhaustive search using only 71 known plaintexts, for up to 11.5 rounds of Ake98.".
- Akelarre_(cipher) wikiPageExternalLink 283649.html.
- Akelarre_(cipher) wikiPageExternalLink knudsen97two.html.
- Akelarre_(cipher) wikiPageExternalLink paper-akelarre.pdf.
- Akelarre_(cipher) wikiPageExternalLink ake98.pdf.gz.
- Akelarre_(cipher) wikiPageID "1488264".
- Akelarre_(cipher) wikiPageRevisionID "590518500".
- Akelarre_(cipher) blockSize "128".
- Akelarre_(cipher) cryptanalysis "Susceptible to ciphertext-only attack".
- Akelarre_(cipher) derivedFrom International_Data_Encryption_Algorithm.
- Akelarre_(cipher) derivedFrom RC5.
- Akelarre_(cipher) designers "G. Álvarez, D. de la Guía, F. Montoya, A. Peinado".
- Akelarre_(cipher) hasPhotoCollection Akelarre_(cipher).
- Akelarre_(cipher) keySize "128".
- Akelarre_(cipher) name "Akelarre".
- Akelarre_(cipher) publishDate "1996".
- Akelarre_(cipher) rounds "4".
- Akelarre_(cipher) structure Lai-Massey_scheme.
- Akelarre_(cipher) subject Category:Broken_block_ciphers.
- Akelarre_(cipher) type Abstraction100002137.
- Akelarre_(cipher) type BrokenBlockCiphers.
- Akelarre_(cipher) type Cipher106254239.
- Akelarre_(cipher) type Communication100033020.
- Akelarre_(cipher) type Message106253690.
- Akelarre_(cipher) comment "Akelarre is a block cipher proposed in 1996, combining the basic design of IDEA with ideas from RC5. It was shown to be susceptible to a ciphertext-only attack in 1997. Akelarre is a 128-bit block cipher with a variable key-length which must be some multiple of 64 bits. The number of rounds is variable, but four are suggested. The round function of Akelarre is similar to IDEA in structure.".
- Akelarre_(cipher) label "Akelarre (cifrado)".
- Akelarre_(cipher) label "Akelarre (cipher)".
- Akelarre_(cipher) label "Akelarre (cryptographie)".
- Akelarre_(cipher) label "Akelarre".
- Akelarre_(cipher) label "Akelarre".
- Akelarre_(cipher) sameAs Akelarre_(cifrado).
- Akelarre_(cipher) sameAs Akelarre_(cryptographie).
- Akelarre_(cipher) sameAs Akelarre.
- Akelarre_(cipher) sameAs m.055bbz.
- Akelarre_(cipher) sameAs Q2326939.
- Akelarre_(cipher) sameAs Q2326939.
- Akelarre_(cipher) sameAs Akelarre_(cipher).
- Akelarre_(cipher) wasDerivedFrom Akelarre_(cipher)?oldid=590518500.
- Akelarre_(cipher) isPrimaryTopicOf Akelarre_(cipher).