Abstract
We describe a series of new attacks on a CBC-MAC algorithm due to Knudsen and Preneel including two key recovery attacks and a forgery attack. Unlike previous attacks, these techniques will work when the MAC calculation involves prefixing the data to be MACed with a ‘length block’. These attack methods provide new (tighter) upper bounds on the level of security offered by the MacDES technique.
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CITATION STYLE
Coppersmith, D., Knudsen, L. R., & Mitchell, C. J. (2000). Key recovery and forgery attacks on the MacDES MAC algorithm. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 1880, pp. 184–196). Springer Verlag. https://doi.org/10.1007/3-540-44598-6_11
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