/// <summary>
/// Step 2: Generate transport integer a where:
/// a = (g ^ secret) mod p
/// </summary>
/// <param name="secret"></param>
/// <param name="diffieHellmanPublicKeystore">p and g</param>
/// <returns></returns>
public BigInteger GenerateTransport(int secret, DiffieHellmanPublicKeystore diffieHellmanPublicKeystore)
{
var raised = BigInteger.Pow(diffieHellmanPublicKeystore.G, secret);
var result = raised % diffieHellmanPublicKeystore.P;
return(result);
}
/// <summary>
/// Step 3: Generate shared secret
/// </summary>
/// <param name="secret"></param>
/// <param name="receivedTransport"></param>
/// <param name="diffieHellmanPublicKeystore"></param>
/// <returns></returns>
public BigInteger GenerateSharedSecret(int secret, BigInteger receivedTransport, DiffieHellmanPublicKeystore diffieHellmanPublicKeystore)
{
var raised = BigInteger.Pow(receivedTransport, secret);
var result = raised % diffieHellmanPublicKeystore.P;
return(result);
}
