A Compact FPGA-Based Accelerator for Curve-Based Cryptography in Wireless Sensor Networks

Algorithm 1

Montgomery scalar multiplication [21].

Require:

Require:

1: function MONTGOMERY

2: if or then

3:  return.

4: end if

5: ;

6: for i from downto do

7:  ifthen

8:    Madd; Mdouble

9:  else

10:    Madd; Mdouble

11:  end if

12: end for

13: return Mxy()

14: end function

1: procedure MADD

2: ;

3: return

4: end procedure

1: procedure MDOUBLE

2: ,

3: return

4: end procedure

1: procedure GXY

2: 

3: 

4: 

5: return

6: end procedure