Bert den Boer Bart Van Rompay Bart Preneel Joos Vandewalle New (Two-Track-)MAC Based on the Two Trails of RIPEMD. 314-324 2001 conf/sacrypt/2001 Selected Areas in Cryptography http://link.springer.de/link/service/series/0558/bibs/2259/22590314.htm db/conf/sacrypt/sacrypt2001.html#BoerRPV01