On the Security of the 128-Bit Block Cipher DEAL

Lucks, Stefan

URL: http://dx.doi.org/10.1007/3-540-48519-8_5
Document Type: Conference or workshop publication
Year of publication: 1999
Book title: Fast software encryption : 6th International Workshop, FSE '99, Rome, Italy, March 24 - 26, 1999; proceedings
The title of a journal, publication series: Lecture Notes in Computer Science
Volume: 1636
Page range: 60-70
Publisher: Knudsen, Lars
Place of publication: Berlin [u.a.]
Publishing house: Springer
ISBN: 978-3-540-66226-6
ISSN: 0302-9743 , 1611-3349
Publication language: English
Institution: School of Business Informatics and Mathematics > Theoretische Informatik (Krause 1996-)
Subject: 004 Computer science, internet
Abstract: DEAL is a DES-based block cipher proposed by Knudsen. The block size of DEAL is 128 bits, twice as much as the DES block size. The main result of the current paper is a certificational attack on DEAL-192, the DEAL variant with a 192-bit key. The attack allows a trade-off between the number of plaintext/ciphertext pairs and the time for the attacker's computations. Nevertheless, the DEAL design principle seems to be a useful way of doubling the block size of a given block cipher.

Dieser Eintrag ist Teil der Universitätsbibliographie.

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