@misc{cryptoeprint:2008:048, author = {Donghoon Chang, Jaechul Sung, Seokhie Hong and Sangjin Lee}, title = {Improved Cryptanalysis of APOP-MD4 and NMAC-MD4 using New Differential Paths}, howpublished = {Cryptology ePrint Archive, Report 2008/048}, year = {2008}, url = {http://eprint.iacr.org/2008/048}, }