Forgery and Partial Key-Recovery Attacks on HMAC and NMAC Using Hash Collisions.

Scott Contini Yiqun Lisa Yin Forgery and Partial Key-Recovery Attacks on HMAC and NMAC Using Hash Collisions. 37-53 2006 conf/asiacrypt/2006 ASIACRYPT http://dx.doi.org/10.1007/11935230_3 db/conf/asiacrypt/asiacrypt2006.html#ContiniY06