Diffie Hellman Key Exchange - Online Code

Description

Diffie-Hellman key exchange (D-H) is a cryptographic protocol that allows two parties that have no prior knowledge of each other to jointly establish a shared secret key over an insecure communications channel. This key can then be used to encrypt subsequent communications using a symmetric key cipher.

Source Code

#include "stdio.h"

#include "conio.h"

#include "math.h"



//For calculating (A^B)%C

unsigned mode_ex(unsigned base, unsigned power, unsigned modulus)

{

	unsigned long result=1;

	int 
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