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Lars Ramkilde Knudsen (born February 21, 1962) is a Danish researcher in cryptography, particularly the design and analysis of block ciphers, hash functions and message authentication codes (MACs).
After some early work in banking, Knudsen enrolled at Aarhus University in 1984 studying mathematics and computer science, gaining a MSc in 1992 and a PhD in 1994. From 1997-2001, he worked at the University of Bergen, Norway. Currently, Knudsen is a professor in the Department of Mathematics at the Technical University of Denmark.
Knudsen has published analyses of a wide variety of cryptographic designs, including the RMAC scheme, the SHA-1 hash function, and at least a dozen block ciphers: DES, DFC, IDEA, Ice, LOKI, RC2, RC5, RC6, SC2000, Skipjack, Square and SAFER — it has been hinted that the "SK" in the "SAFER-SK" variant means Stop Knudsen after he had found weaknesses in a previous version. Knudsen has also designed ciphers, including the AES candidates DEAL and Serpent (the latter in conjunction with Ross Anderson and Eli Biham).
External links
- Homepage (http://www.mat.dtu.dk/people/Lars.R.Knudsen/)
- Some publications (http://www.informatik.uni-trier.de/~ley/db/indices/a-tree/k/Knudsen:Lars_R=.html)
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