I. IN T R O D U C TI O N T h e t hr e ats t o t h e p h ysi c al

T h e pri m ar y r e as o n f or t h e f ail ur e of t h es e t o ols is t h e u nf or es e e n i m p a ct of t h e " a n al o g " f e at ur es at t h e p h ysi c al

T his yi el ds t o r a n d o mi z ati o n of t h e d at a or d er e v er y ti m e t h e t ar g et r e gist ers ar e l o a d e d. T h e vit al p art of t his miti g ati o n is m ai nt ai ni n g t h e i niti al st at e s o t h at t h e f u n cti o n bl o c k c a n r e a d t h e d at a i n t h e c orr e ct f or m at. T h e or eti c all y, t his m et h o d r e ali z es