The Scientific World Journal

Research Article

An Analysis of Security System for Intrusion in Smartphone Environment

Algorithm 1

Input   , ;                          Program to be interpreted, and its data
≔ 2;                          znitialize program counter and obfuscated store:
≔ ;
While     do
;
case  instruction  of                       Dispatch on syntax
skip   :    ;                   Obfuscate values when stored:
x  ≔  e      :  ;
…
Output   ;
                     Obfuscation/de-obfuscation
= case e of
constant  :
variable   :                    De-obfuscate variable values
e1 + e2     :
e1 − e2     :
…