Marko Hölbl, Christian Rechberger, Tatjana Welzer. Searching for Messages Conforming to Arbitrary Sets of Conditions in SHA-256. In Stefan Lucks, Ahmad-Reza Sadeghi, Christopher Wolf, editors, Research in Cryptology, Second Western European Workshop, WEWoRC 2007, Bochum, Germany, July 4-6, 2007, Revised Selected Papers. Volume 4945 of Lecture Notes in Computer Science, pages 28-38, Springer, 2007. [doi]
Abstract is missing.