Lei Wang, Kazuo Ohta, Noboru Kunihiro. New Key-Recovery Attacks on HMAC/NMAC-MD4 and NMAC-MD5. In Nigel P. Smart, editor, Advances in Cryptology - EUROCRYPT 2008, 27th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Istanbul, Turkey, April 13-17, 2008. Proceedings. Volume 4965 of Lecture Notes in Computer Science, pages 237-253, Springer, 2008. [doi]
Abstract is missing.