Kazumaro Aoki, Jian Guo, Krystian Matusiewicz, Yu Sasaki, Lei Wang. Preimages for Step-Reduced SHA-2. In Mitsuru Matsui, editor, Advances in Cryptology - ASIACRYPT 2009, 15th International Conference on the Theory and Application of Cryptology and Information Security, Tokyo, Japan, December 6-10, 2009. Proceedings. Volume 5912 of Lecture Notes in Computer Science, pages 578-597, Springer, 2009. [doi]
Abstract is missing.