How to do DEFFIE HELLMAN (DH) USING MATLAB CODE

1.Introduction:-
Diffie hellman is a technique which uses symmetric key for encryption and decryption.


2.Problem Statement:-
To generate key K using the Diffie hellman for the given values.



3.Program:-
clc;
clear all;
close all;
n=input('Enter value of n:');
g=input('Enter value of g:');
x=input('Enter value of x:');
y=input('Enter value of y:');
A=mod(g^x,n);
B=mod(g^y,n);
k1=mod(B^x,n);
k2=mod(A^y,n);
display(k1)
display(k2)

4.How to use this code:-
Here you have to only copy the code to MATLAB and just run it after that you have to give your values of n,g,x,y .


5.Output :-
                                


Command Window

                                                 




6.Conclusion -
Here we have successfully generate KEY for Deffie hellman using the MATLAB.

Comments

Post a Comment

Popular post

How to add ,read,insert IMAGE in MATLAB

Image
1) Statement of Problem :- Here we are going to see how to add image in MATLAB. 2) Program :- %% Read Image Inputimage=imread('C:\Users\akshay\Downloads\pi.jpg'); %% Show image figure(1) imshow(Inputimage); title('INPUT IMAGE') 3) Explanation :- Inputimage=imread('C:\Users\akshay\Downloads\pi.jpg'); In this instruction MATLAB reads the image from the location which is given by user here i have given the location which is  Inputimage=imread(' C:\Users\akshay\Downloads\pi.jpg '); while giving the location you have to remember some point 1) The must be in  single quotations marks. ex.  'your location' 2) After giving location you must have to give the name of file with its extension which is in this example is pi.jpg. figure(1) This instruction creates the figure window for you. imshow(Inputimage); This instruction is use to display or show the image which is given by user. As here the input image which is given by user is
Read more

How to plot different discrete signal using MATLAB

Image
1. Introduction :- Here we are going to plot 1) unit impulse function 2) unit step signal 3) Ramp signal 4) sine signal 5) rising exponential 6) decaying exponential 2 . Problem Statement :- To plot different discrete signal using MATLAB. 3. Program :- clc; close all; clear all; n=-10:10; % unit impulse function a=1*(n==0); subplot(3,2,1) stem(n,a) xlabel('n discrete time') ylabel('magnitude') title('unit impulse') % unit step function b=1*(n>=0)+0*(n<0); subplot(3,2,2) stem(n,b) xlabel('n discrete time') ylabel('magnitude') title('unit step') % unit ramp function c=n.*(n>=0)+0*(n<0); subplot(3,2,3) stem(n,c) xlabel('n discrete time') ylabel('magnitude') title('unit ramp') % unit sine function f=7/8; mag=1 d=mag*sin(2*pi*f*n); subplot(3,2,4) stem(n,d) xlabel('n discrete time') ylabel('magnitude') title('sine function') % rising expon
Read more

How to do Frequency Shift Keying (FSK) using MATLAB

Image
1. Introduction :- In FSK the modulated signal is shifted in steps that is from one frequency to another frequency depending on the digital pulse.If the higher frequency is used for represent the data '1' then lower frequency is used for represent '0'. 2 . Problem Statement :- To generate the FSK wave using MATLAB and plot the carrier ,square pulse and FSK signal on figure window. 3. Program :- clc; clear all; close all; t=0:0.0001:1; fm=4; m=[ones(1,900) zeros(1,1500) ones(1,1000) zeros(1,1500) ones(1,1000) zeros(1,1500) ones(1,2601)]; subplot(4,1,1); plot(t,m); axis([0 1 0 1.5]) title('modulating signal'); xlabel('time'); ylabel('amplitude'); fc1=input('enter the value of carrier 1='); fc2=input('enter the value of carrier 2='); c1=4*sin(2*pi*fc1*t); c2=4*sin(2*pi*fc2*t); subplot(4,1,2); plot(t,c1); title('carrier signal 1'); xlabel('time'); ylabel('amplitude'); subplot(4,1
Read more