| /* |
| * Copyright (c) 2018, 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. |
| */ |
| |
| // This is not the real sun.security.provider.SeedGenerator class. Used by |
| // ../../../../CommonSeeder.java only. |
| package sun.security.provider; |
| |
| public class SeedGenerator { |
| |
| static int count = 100; |
| static int lastCount = 100; |
| |
| public static void generateSeed(byte[] result) { |
| count--; |
| } |
| |
| /** |
| * Confirms genEntropy() has been called {@code less} times |
| * since last check. |
| */ |
| public static void checkUsage(int less) throws Exception { |
| if (lastCount != count + less) { |
| throw new Exception(String.format( |
| "lastCount = %d, count = %d, less = %d", |
| lastCount, count, less)); |
| } |
| lastCount = count; |
| } |
| |
| // Needed by AbstractDrbg.java |
| static byte[] getSystemEntropy() { |
| return new byte[20]; |
| } |
| } |
