1 /* 2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import java.security.Provider; 25 import java.security.Security; 26 import java.security.MessageDigest; 27 import java.security.NoSuchAlgorithmException; 28 29 /* 30 * @test 31 * @bug 8156059 32 * @summary Test expected NoSuchAlgorithmException is thrown 33 * if using SHA-3 with unsupported providers 34 */ 35 36 public class UnsupportedProvider { 37 38 public static void main(String args[]) { 39 String[] algorithms = { "SHA3-224", "SHA3-256", "SHA3-384", 40 "SHA3-512" }; 41 42 for (Provider prov : Security.getProviders()) { 43 for (String algo : algorithms) { 44 try { 45 String provName = prov.getName(); 46 MessageDigest md = MessageDigest.getInstance(algo, prov); 47 48 if (!isSHA3Supported(provName)) { 49 throw new RuntimeException("SHA-3 is not supported by " 50 + provName + " provider, but expected " 51 + "NoSuchAlgorithmException is not thrown"); 52 } 53 } catch (NoSuchAlgorithmException ex) { 54 if (isSHA3Supported(prov.getName())) { 55 throw new RuntimeException("SHA-3 should be supported " 56 + "by " + prov.getName() + " provider, got" 57 + " unexpected NoSuchAlgorithmException"); 58 } 59 continue; 60 } 61 } 62 } 63 } 64 65 // Check if specific provider supports SHA-3 hash algorithms 66 static boolean isSHA3Supported(String provName) { 67 if ("SUN".equals(provName)) { 68 return true; 69 } 70 return false; 71 } 72 }