Hans Dobbertin

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Hans Dobbertin
Born(1952-04-17)17 April 1952
Herkensen,
Ruhr University
Doctoral advisorMarcel Erné

Hans Dobbertin (17 April, 1952 – 2 February, 2006) was a German

Ruhr University in Bochum
.

Life

Born in Herkensen in the north of Germany, Dobbertin was the son of Hans Dobbertin and Anneliese Kamp. His father was a teacher. He attended Eldagsen primary school from 1959, the Tellkampf School in Hanover from 1963 to 1969 and a modern language high school from 1969 to 1973.[1]

Dobbertin studied mathematics and received his doctorate in 1983 with his thesis on refinement monoids, Vaught monoids and Boolean algebras at the mathematics department at the

University of Hanover. He completed his habilitation in Hanover in 1986 and moved to the Federal Office for Information Security (BSI), the German federal agency of IT security, as an associate professor.[2] In the following decade, at BSI, Dobbertin was involved in the analysis of hash functions and developed new methods to break hash algorithms of the MD4 family.[3] He showed that the successor MD5, which was considered safe, also contains vulnerabilities. In 2004, this result was confirmed by Chinese researchers.[4]

After a short stay at the University of Klagenfurt, Hans Dobbertin was appointed chair of cryptology and information security at the Ruhr University Bochum in 2001. In 2003, he opened the Horst Görtz Institute for IT Security (HGI) at the Ruhr University as founding director.

Death

Dobbertin died as a result of cancer on 2 February, 2006.

References

  1. ^ Vita in Diss. Verfeinerungsmonoide, ...; S. 59
  2. ^ "Hans Dobbertin Obituary". www.iacr.org. Retrieved 2024-09-15.
  3. ^ "RUB trauert um Prof. Hans Dobbertin" (in German). Ruhr-Universität Bochum. 2006-02-07. Archived from the original (Press Release) on 22 February 2006. Retrieved 1 November 2023.
  4. ^ Hawkes, Philip; Paddon, Michael; Rose, Gregory G. (13 Oct 2004). "Musings on the Wang et al. MD5 Collision". Cryptology ePrint Archive. Archived from the original on 24 October 2004. Retrieved 1 November 2023.
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