Design Time Optimization for Hardware Watermarking Protection of HDL Designs

Algorithm 1

Scheme for simulated annealing algorithm.

TO  SELECT:

  cost  function    =  hamming  distance;

  environment  :  all  possible  combinations  of  input  patterns  that  lead  to  spreading  the  SBLs;

  initial  solution  :  properly  chosen  to  explore  as  best  As  possible  the  solution  space;

  initial  temperature    =  20;

  function  to  reduce  temperature    =  0.05;

  number  of  iterations    =  3;

  stop  criterion  :    =  0.1;

REPEAT

   REPEAT

     to  select  a  solution    of  ;

     calculate    =  ;

     IF    <  0  THEN

           =  ;

     ELSE

         to  randomly  generate  ;

         IF    THEN

              =  ;

         ELSE

         FIN;

   UNTIL  iteration_number  =  ;

UNTIL    =  TRUE.