Hans Dobbertin

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Hans Dobbertin
Born(1952-04-17)April 17, 1952
DiedFebruary 2, 2006(2006-02-02) (aged 53)
Alma materUniversity of Hannover
Scientific career
InstitutionsRuhr University
Doctoral advisorMarcel Erné

Hans Dobbertin (April 17, 1952 – February 2, 2006) was a German cryptographer who is best known for his work on cryptanalysis of the MD4, MD5, and original RIPEMD hash functions, and for his part in the design of the new version of the RIPEMD hash function. He was a member of the German Federal Office for Information Security (Bundesamt für Sicherheit in der Informationstechnik, BSI) and professor at the Ruhr University in Bochum.

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