old changes, idk (>1 year)

src/main/kotlin/at/eisibaer/jbear2/util/RandomString.kt

@@ -0,0 +1,17 @@
+package at.eisibaer.jbear2.util
+
+import java.security.SecureRandom
+
+
+class RandomString{
+    companion object{
+        val AB: String = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+        val rnd: SecureRandom = SecureRandom()
+
+        fun ofLength(len: Int): String {
+            val sb = StringBuilder(len)
+            for (i in 0 until len) sb.append(AB[rnd.nextInt(AB.length)])
+            return sb.toString()
+        }
+    }
+}