Added easier ECDiffieHellman overload

Author: TwoTenPvP

MLAPI.Cryptography.Examples/Program.cs

@@ -17,8 +17,8 @@ public static void Main(string[] args)
                 watch.Start();
 
                 // Both create their instances
-                ECDiffieHellman serverDiffie = new ECDiffieHellman(ECDiffieHellman.DEFAULT_CURVE, ECDiffieHellman.DEFAULT_GENERATOR, ECDiffieHellman.DEFAULT_ORDER);
-                ECDiffieHellman clientDiffie = new ECDiffieHellman(ECDiffieHellman.DEFAULT_CURVE, ECDiffieHellman.DEFAULT_GENERATOR, ECDiffieHellman.DEFAULT_ORDER);
+                ECDiffieHellman serverDiffie = new ECDiffieHellman();
+                ECDiffieHellman clientDiffie = new ECDiffieHellman();
 
                 // Exchange publics
 

MLAPI.Cryptography/KeyExchanges/ECDiffieHellman.cs

@@ -13,13 +13,17 @@ public class ECDiffieHellman
         public static readonly BigInteger DEFAULT_PRIME = (new BigInteger("1") << 255) - 19;
         public static readonly BigInteger DEFAULT_ORDER = (new BigInteger(1) << 252) + new BigInteger("27742317777372353535851937790883648493");
         public static EllipticCurve DEFAULT_CURVE = new EllipticCurve(486662, 1, DEFAULT_PRIME, EllipticCurve.CurveType.Montgomery);
-
         public static CurvePoint DEFAULT_GENERATOR = new CurvePoint(9, new BigInteger("14781619447589544791020593568409986887264606134616475288964881837755586237401"));
 
         protected readonly EllipticCurve curve;
         public readonly BigInteger priv;
         protected readonly CurvePoint generator, pub;
 
+        public ECDiffieHellman(byte[] priv = null) : this(DEFAULT_CURVE, DEFAULT_GENERATOR, DEFAULT_ORDER, priv)
+        {
+
+        }
+
         public ECDiffieHellman(EllipticCurve curve, CurvePoint generator, BigInteger order, byte[] priv = null)
         {
             this.curve = curve;