diff --git a/BBEncryptionCracker/src/de/mrbesen/GenTestEncryption.java b/BBEncryptionCracker/src/de/mrbesen/GenTestEncryption.java
new file mode 100644
index 0000000..c2dc422
--- /dev/null
+++ b/BBEncryptionCracker/src/de/mrbesen/GenTestEncryption.java
@@ -0,0 +1,35 @@
+package de.mrbesen;
+
+import java.util.Random;
+
+public class GenTestEncryption {
+	
+	public static void main(String[] args) {
+		long max = 50000;
+		long a, b, c, d, M, v, e, n;
+		
+		Random rand = new Random();
+		a = rand.nextLong() % max;
+		b = rand.nextLong() % max;
+		c = rand.nextLong() % max;
+		d = rand.nextLong() % max;
+		
+		
+		//positive only
+		a = (a > 0 ? a : -a);
+		b = (b > 0 ? b : -b);
+		c = (c > 0 ? c : -c);
+		d = (d > 0 ? d : -d);
+		
+		M = (a*b)-1;
+		v = (c*M) +a;
+		e = (d*M) +b;
+		n = (v*e)-1 / M;
+		
+		System.out.println("e: " + e + "\nv: " + v + "\nn: " + n);
+		
+		if((v*e) % n == 1) {
+			System.out.println("Schlüßel gültig!");
+		}
+	}
+}
\ No newline at end of file