| /* |
| * 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. |
| */ |
| |
| /* @test |
| * @bug 8051408 8157308 8130181 |
| * @modules java.base/sun.security.provider |
| * @build java.base/sun.security.provider.S |
| * @run main SpecTest |
| * @summary check the AbstractDrbg API etc |
| */ |
| |
| import java.security.*; |
| import sun.security.provider.S; |
| import static java.security.DrbgParameters.Capability.*; |
| |
| /** |
| * This test makes sure the AbstractDrbg API works as specified. It also |
| * checks the SecureRandom API. |
| * |
| * The implementations must be patched into java.base/sun.security.provider |
| * because AbstractDrbg is not a public interface. |
| */ |
| public class SpecTest { |
| |
| public static void main(String args[]) throws Exception { |
| |
| // getInstance from a provider. |
| |
| Provider p = new All("A", "0", ""); |
| byte[] bytes = new byte[100]; |
| |
| // A non-DRBG |
| iae(() -> SecureRandom.getInstance("S1", null, p)); |
| nsae(() -> SecureRandom.getInstance("S1", |
| new SecureRandomParameters() {}, p)); |
| |
| SecureRandom s1 = SecureRandom.getInstance("S1", p); |
| if (s1.getParameters() != null) { |
| throw new Exception(); |
| } |
| |
| iae(() -> s1.nextBytes(bytes, null)); |
| uoe(() -> s1.nextBytes(bytes, new SecureRandomParameters() {})); |
| uoe(() -> s1.reseed()); |
| iae(() -> s1.reseed(null)); |
| uoe(() -> s1.reseed(new SecureRandomParameters() {})); |
| |
| // A weak DRBG |
| iae(() -> SecureRandom.getInstance("S2", null, p)); |
| nsae(() -> SecureRandom.getInstance("S2", |
| new SecureRandomParameters() {}, p)); |
| nsae(() -> SecureRandom.getInstance("S2", |
| DrbgParameters.instantiation(256, NONE, null), p)); |
| nsae(() -> SecureRandom.getInstance("S2", |
| DrbgParameters.instantiation(-1, PR_AND_RESEED, null), p)); |
| nsae(() -> SecureRandom.getInstance("S2", |
| DrbgParameters.instantiation(-1, RESEED_ONLY, null), p)); |
| |
| SecureRandom s2 = SecureRandom.getInstance("S2", |
| DrbgParameters.instantiation(-1, NONE, null), p); |
| equals(s2, "S2,SQUEEZE,128,none"); |
| equals(s2.getParameters(), "128,none,null"); |
| |
| npe(() -> s2.nextBytes(null)); |
| iae(() -> s2.nextBytes(bytes, null)); |
| iae(() -> s2.nextBytes(bytes, new SecureRandomParameters() {})); |
| uoe(() -> s2.reseed()); |
| iae(() -> s2.reseed(null)); |
| |
| iae(() -> s2.nextBytes(bytes, |
| DrbgParameters.nextBytes(-1, false, new byte[101]))); |
| s2.nextBytes(new byte[101], |
| DrbgParameters.nextBytes(-1, false, new byte[100])); |
| s2.nextBytes(bytes, |
| DrbgParameters.nextBytes(-1, false, new byte[100])); |
| |
| // A strong DRBG |
| iae(() -> SecureRandom.getInstance("S3", null, p)); |
| nsae(() -> SecureRandom.getInstance("S3", |
| new SecureRandomParameters() {}, p)); |
| SecureRandom.getInstance("S3", |
| DrbgParameters.instantiation(192, PR_AND_RESEED, null), p); |
| |
| SecureRandom s3 = SecureRandom.getInstance("S3", p); |
| equals(s3, "S3,SQUEEZE,128,reseed_only"); |
| equals(s3.getParameters(), "128,reseed_only,null"); |
| |
| iae(() -> s3.nextBytes(bytes, |
| DrbgParameters.nextBytes(192, false, null))); |
| iae(() -> s3.nextBytes(bytes, |
| DrbgParameters.nextBytes(112, true, null))); |
| iae(() -> s3.reseed(new SecureRandomParameters() {})); |
| |
| SecureRandom s32 = SecureRandom.getInstance( |
| "S3", DrbgParameters.instantiation(192, PR_AND_RESEED, null), p); |
| equals(s32, "S3,SQUEEZE,192,pr_and_reseed"); |
| equals(s32.getParameters(), "192,pr_and_reseed,null"); |
| |
| s32.nextBytes(bytes, DrbgParameters.nextBytes(192, false, null)); |
| s32.nextBytes(bytes, DrbgParameters.nextBytes(112, true, null)); |
| s32.reseed(); |
| s32.reseed(DrbgParameters.reseed(true, new byte[100])); |
| |
| // getInstance from competitive providers. |
| |
| Provider l = new Legacy("L", "0", ""); |
| Provider w = new Weak("W", "0", ""); |
| Provider s = new Strong("S", "0", ""); |
| |
| Security.addProvider(l); |
| Security.addProvider(w); |
| Security.addProvider(s); |
| |
| SecureRandom s4; |
| |
| try { |
| s4 = SecureRandom.getInstance("S"); |
| if (s4.getProvider() != l) { |
| throw new Exception(); |
| } |
| |
| nsae(() -> SecureRandom.getInstance( |
| "S", DrbgParameters.instantiation(256, NONE, null))); |
| |
| s4 = SecureRandom.getInstance( |
| "S", DrbgParameters.instantiation(192, NONE, null)); |
| if (s4.getProvider() != s) { |
| throw new Exception(); |
| } |
| |
| s4 = SecureRandom.getInstance( |
| "S", DrbgParameters.instantiation(128, PR_AND_RESEED, null)); |
| if (s4.getProvider() != s) { |
| throw new Exception(); |
| } |
| |
| s4 = SecureRandom.getInstance( |
| "S", DrbgParameters.instantiation(128, RESEED_ONLY, null)); |
| if (s4.getProvider() != s) { |
| throw new Exception(); |
| } |
| |
| s4 = SecureRandom.getInstance( |
| "S", DrbgParameters.instantiation(128, NONE, null)); |
| if (s4.getProvider() != w) { |
| throw new Exception(); |
| } |
| } finally { |
| Security.removeProvider("L"); |
| Security.removeProvider("W"); |
| Security.removeProvider("S"); |
| } |
| } |
| |
| public static class All extends Provider { |
| protected All(String name, String version, String info) { |
| super(name, version, info); |
| put("SecureRandom.S1", S.S1.class.getName()); |
| put("SecureRandom.S2", S.S2.class.getName()); |
| put("SecureRandom.S3", S.S3.class.getName()); |
| } |
| } |
| |
| // Providing S with no params support |
| public static class Legacy extends Provider { |
| protected Legacy(String name, String version, String info) { |
| super(name, version, info); |
| put("SecureRandom.S", S.S1.class.getName()); |
| } |
| } |
| |
| public static class Weak extends Provider { |
| protected Weak(String name, String version, String info) { |
| super(name, version, info); |
| put("SecureRandom.S", S.S2.class.getName()); |
| } |
| } |
| |
| public static class Strong extends Provider { |
| protected Strong(String name, String version, String info) { |
| super(name, version, info); |
| put("SecureRandom.S", S.S3.class.getName()); |
| } |
| } |
| |
| static void nsae(RunnableWithException r) throws Exception { |
| checkException(r, NoSuchAlgorithmException.class); |
| } |
| |
| static void iae(RunnableWithException r) throws Exception { |
| checkException(r, IllegalArgumentException.class); |
| } |
| |
| static void uoe(RunnableWithException r) throws Exception { |
| checkException(r, UnsupportedOperationException.class); |
| } |
| |
| static void npe(RunnableWithException r) throws Exception { |
| checkException(r, NullPointerException.class); |
| } |
| |
| interface RunnableWithException { |
| void run() throws Exception; |
| } |
| |
| static void checkException(RunnableWithException r, Class ex) |
| throws Exception { |
| try { |
| r.run(); |
| } catch (Exception e) { |
| if (ex.isAssignableFrom(e.getClass())) { |
| return; |
| } |
| throw e; |
| } |
| throw new Exception("No exception thrown"); |
| } |
| |
| static void equals(Object o, String s) throws Exception { |
| if (!o.toString().equals(s)) { |
| throw new Exception(o.toString() + " is not " + s); |
| } |
| } |
| } |