Vlastimil Klíma

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Vlastimil Klíma (on the right) during a lecture on hash functions

RNDr. Vlastimil Klíma (born February 19, 1957) is a Czech cryptologist and computer security expert. He is an author of several works in the field of cryptographic hash functions and digital signatures. After he published one of the most efficient algorithms for finding hash collisions in the MD5 function,[1][2] he designed his own concept of a hash function, which entered the NIST hash function competition under the name Blue Midnight Wish.[3]

External links[edit]


  1. ^ Vlastimil Klima: Finding MD5 Collisions – a Toy For a Notebook, Cryptology ePrint Archive Report 2005/075, 5 Mar 2005, revised 8 Mar 2005. Retrieved July 27, 2008.
  2. ^ Vlastimil Klima: Tunnels in Hash Functions: MD5 Collisions Within a Minute, Cryptology ePrint Archive Report 2006/105, 18 Mar 2006, revised 17 Apr 2006. Retrieved July 27, 2008.
  3. ^ Svein Johan Knapskog; Danilo Gligoroski, Vlastimil Klima, Mohamed El-Hadedy, Jørn Amundsen, Stig Frode Mjølsnes (November 4, 2008). "blue_midnight_wish". Retrieved 10 November 2008.