Yu Sasaki, Kazumaro Aoki. Meet-in-the-Middle Preimage Attacks on Double-Branch Hash Functions: Application to RIPEMD and Others. In Colin Boyd, Juan Manuel González Nieto, editors, Information Security and Privacy, 14th Australasian Conference, ACISP 2009, Brisbane, Australia, July 1-3, 2009, Proceedings. Volume 5594 of Lecture Notes in Computer Science, pages 214-231, Springer, 2009. [doi]
Abstract is missing.