ade be ▁( R SA ) ▁also ▁comp ete ▁in ▁this ▁class . ▁ ▁References ▁ ▁Category : Dis ability ▁sport ▁class ifications <0x0A> </s> ▁A ▁hash ▁b uster ▁is ▁a ▁program ▁which ▁randomly ▁adds ▁characters ▁to ▁data ▁in ▁order ▁to ▁change ▁the ▁data ' s ▁hash ▁sum . ▁▁ ▁This ▁is ▁typically ▁used ▁to ▁add ▁words ▁to ▁sp am ▁e - mail s , ▁to ▁by pass ▁hash ▁filters . ▁As ▁the ▁e - mail ' s ▁hash ▁sum ▁is ▁different ▁from ▁the ▁sum ▁of ▁e - mail s ▁previously ▁defined ▁as ▁sp am , ▁the ▁e - mail ▁is ▁not ▁considered ▁sp am ▁and ▁therefore ▁delivered ▁as ▁if ▁it ▁were ▁a ▁normal ▁message . ▁ ▁Hash ▁b ust ers ▁can ▁also ▁be ▁used ▁to ▁randomly ▁add ▁content ▁to ▁any ▁kind ▁of ▁file ▁until ▁the ▁hash ▁sum ▁becomes ▁a ▁certain ▁sum . ▁In ▁e - mail ▁context , ▁this ▁could ▁be ▁used ▁to ▁by pass ▁a ▁filter ▁which ▁only ▁accepts ▁e - mail s ▁with ▁a ▁certain ▁sum . ▁ ▁Initial ly ▁sp ams ▁containing ▁" white ▁noise " ▁from ▁hash ▁b ust ers ▁t ended ▁to ▁simply ▁exhib it ▁' paragraph s ' ▁of ▁literally ▁random ▁words , ▁but ▁increasing ly ▁these ▁are ▁now ▁appearing ▁somewhat ▁gram mat ical . ▁ ▁See ▁also ▁▁ ▁C rypt ographic ▁hash ▁function ▁ ▁Bay esian ▁poison ing ▁ ▁Loc ality - sens itive ▁has hing ▁ ▁References ▁ ▁External ▁links ▁ ▁search C IO . com ▁De fin itions ▁ ▁Category : Sp am