--- /dev/null	2016-05-31 09:42:47.975716356 -0700
+++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.salver/src/org/graalvm/compiler/salver/util/ECIDUtil.java	2016-12-09 00:57:20.211069927 -0800
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package org.graalvm.compiler.salver.util;
+
+import java.security.SecureRandom;
+import java.util.Random;
+
+public class ECIDUtil {
+
+    private static final Random RANDOM = new SecureRandom();
+
+    private static final String BASE58_ALPHABET = "ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz123456789";
+
+    public static String random() {
+        return random(8);
+    }
+
+    public static String random(int length) {
+        StringBuilder sb = new StringBuilder();
+        byte[] bytes = new byte[length];
+        RANDOM.nextBytes(bytes);
+        for (byte b : bytes) {
+            sb.append(BASE58_ALPHABET.charAt((b & 0xff) % 58));
+        }
+        return sb.toString();
+    }
+}