7Wang Xiaoyun, Feng Dengguo, Lai Xuejia, et al, Collisions for hash functions MD4, MD5, HAVAL-128 and RIPEMD[C]. Cryptology ePrint Archive: Report 2004/1999, Aug. 2004.
8Wang Xiaoyun,Feng Dengguo,Lai Xuejia,et al.Collisions for Hash Functions MD4,MD5,HAVAL-128 and RIPEMD[EB/OL].http://eprint.iacr.org/2004/199.pdf,2005-01.
9Mikle O.Practical Attacks on Digital Signatures Using MD5 Message Digest[EB/OL].http://eprint.iacr.org/2004/356.pdf,2005-01.
10Berson T.Differential Cryptanalysis Mod 232 with Applications to MD5[A].EUROCRYPT'92[C].1992.71-80.
