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Doctored Dobbertin

crypto

Solves:  2 times
Author:  bit, newton

Prof. Hans Dobbertin achieved world fame as a cryptographer in the 1990s with his work on attacks on hash functions. He was one of the best cryptologists in the world, and was called "Germany's best codebreaker". Based on the regular Dobbertin Challenge, here is a modified cipher to crack.

nc flu.xxx 10040

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