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/*
* Copyright (c) 2016, 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.
*/
import java.security.Provider;
import java.security.Security;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
/*
* @test
* @bug 8156059
* @summary Test expected NoSuchAlgorithmException is thrown
* if using SHA-3 with unsupported providers
*/
public class UnsupportedProvider {
public static void main(String args[]) {
String[] algorithms = { "SHA3-224", "SHA3-256", "SHA3-384",
"SHA3-512" };
for (Provider prov : Security.getProviders()) {
for (String algo : algorithms) {
try {
String provName = prov.getName();
MessageDigest md = MessageDigest.getInstance(algo, prov);
if (!isSHA3Supported(provName)) {
throw new RuntimeException("SHA-3 is not supported by "
+ provName + " provider, but expected "
+ "NoSuchAlgorithmException is not thrown");
}
} catch (NoSuchAlgorithmException ex) {
if (isSHA3Supported(prov.getName())) {
throw new RuntimeException("SHA-3 should be supported "
+ "by " + prov.getName() + " provider, got"
+ " unexpected NoSuchAlgorithmException");
}
continue;
}
}
}
}
// Check if specific provider supports SHA-3 hash algorithms
static boolean isSHA3Supported(String provName) {
if ("SUN".equals(provName)) {
return true;
}
if ("OracleUcrypto".equals(provName)
&& "SunOS".equals(System.getProperty("os.name"))
&& System.getProperty("os.version").compareTo("5.12") >= 0) {
return true;
}
return false;
}
}
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