Cryptology ePrint Archive: Report 2008/532

Semi-free start collision attack on Blender

Xu Liangyu and Li Ji

Abstract: Blender is a cryptographic hash function submitted to NIST's SHA3 competition. We have found a semi-free start collision attack on Blender with trivial complexity. One pair of semi-free start collision messages with zero initial values is presented.

Category / Keywords: foundations / Blender collision cryptanalysis

Date: received 19 Dec 2008, last revised 22 Dec 2008

Contact author: liangyu xu at sony com cn

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Version: 20081223:013801 (All versions of this report)

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