| /* |
| * 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 sun.security.provider.MoreDrbgParameters; |
| |
| import java.security.DrbgParameters; |
| import java.security.NoSuchAlgorithmException; |
| import java.security.SecureRandom; |
| import java.security.SecureRandomParameters; |
| import java.security.Security; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.stream.Collectors; |
| |
| import static java.security.DrbgParameters.Capability.*; |
| |
| /** |
| * @test |
| * @bug 8051408 |
| * @modules java.base/sun.security.provider |
| * @summary make sure DRBG alg can be defined and instantiated freely |
| */ |
| public class DRBGAlg { |
| |
| public static void main(String[] args) throws Exception { |
| |
| check(null, "Hash_DRBG", "SHA-256", "reseed_only", ",128"); |
| check("", "Hash_DRBG", "SHA-256", "reseed_only", ",128"); |
| check("sha-256", "Hash_DRBG", "SHA-256", "reseed_only", ",128"); |
| check("SHA-3"); |
| check("hash_drbg", "Hash_DRBG", "SHA-256", "reseed_only", ",128"); |
| check("hmac_drbg", "HMAC_DRBG", "SHA-256", "reseed_only", ",128"); |
| check("ctr_drbg", "CTR_DRBG", "AES-", "reseed_only", ",128", "use_df"); |
| |
| // trying all permutations |
| checkPermutations( |
| Collections.emptyList(), |
| Arrays.asList("hash_drbg","sha-512","Pr_and_Reseed","192"), |
| "Hash_DRBG", "SHA-512", "pr_and_reseed", ",192"); |
| |
| check("Hash_DRBG,Hmac_DRBG"); |
| check("SHA-224,SHA-256"); |
| check("128,256"); |
| check("none,reseed_only"); |
| check("use_df,no_df"); |
| check("Hash_DRBG,,SHA-256"); |
| |
| check(null, DrbgParameters.instantiation(112, PR_AND_RESEED, null), |
| "Hash_DRBG", "SHA-256", "pr_and_reseed", ",112"); |
| check(null, DrbgParameters.instantiation(256, PR_AND_RESEED, null), |
| "Hash_DRBG", "SHA-256", "pr_and_reseed", ",256"); |
| check(null, DrbgParameters.instantiation(384, PR_AND_RESEED, null)); |
| check("sha-224", DrbgParameters.instantiation(112, PR_AND_RESEED, null), |
| "Hash_DRBG", "SHA-224", "pr_and_reseed", ",112"); |
| check("sha-224", DrbgParameters.instantiation(256, PR_AND_RESEED, null)); |
| check("hash_drbg,sha-512,Pr_and_Reseed,192", |
| DrbgParameters.instantiation(112, NONE, null), |
| "Hash_DRBG", "SHA-512", "reseed_only", ",112"); |
| check("hash_drbg,sha-512,Pr_and_Reseed,192", |
| DrbgParameters.instantiation(-1, NONE, null), |
| "Hash_DRBG", "SHA-512", "reseed_only", ",192"); |
| // getInstance params can be stronger than definition |
| check("hash_drbg,sha-256,None,112", |
| DrbgParameters.instantiation(192, PR_AND_RESEED, null), |
| "Hash_DRBG", "SHA-256", "pr_and_reseed", ",192"); |
| |
| check("hash_drbg,sha-224", new MoreDrbgParameters( |
| null, null, "sha-512", null, false, |
| DrbgParameters.instantiation(-1, NONE, null)), |
| "Hash_DRBG", "SHA-512"); |
| check("hash_drbg,sha-224", new MoreDrbgParameters( |
| null, null, null, null, false, |
| DrbgParameters.instantiation(-1, NONE, null)), |
| "Hash_DRBG", "SHA-224"); |
| check("hash_drbg", new MoreDrbgParameters( |
| null, "hmac_drbg", null, null, false, |
| DrbgParameters.instantiation(-1, NONE, null)), |
| "HMAC_DRBG", "SHA-256"); |
| |
| check("hash_drbg,sha-224", new MoreDrbgParameters( |
| null, null, "sha-3", null, false, |
| DrbgParameters.instantiation(-1, NONE, null))); |
| check("hash_drbg,sha-224", new MoreDrbgParameters( |
| null, "Unknown_DRBG", null, null, false, |
| DrbgParameters.instantiation(-1, NONE, null))); |
| } |
| |
| /** |
| * Checks all permutatins of a config. This is a recursive method and |
| * should be called with checkPermutations(empty,config,expected). |
| * |
| * @param current the current chosen aspects |
| * @param remains the remaining |
| * @param expected the expected effective config |
| * @throws Exception when check fails |
| */ |
| private static void checkPermutations(List<String> current, |
| List<String> remains, String... expected) throws Exception { |
| if (remains.isEmpty()) { |
| check(current.stream().collect(Collectors.joining(",")), expected); |
| } else { |
| for (String r : remains) { |
| List<String> newCurrent = new ArrayList<>(current); |
| newCurrent.add(r); |
| List<String> newRemains = new ArrayList<>(remains); |
| newRemains.remove(r); |
| checkPermutations(newCurrent, newRemains, expected); |
| } |
| } |
| } |
| |
| /** |
| * Checks DRBG definition for getInstance(alg, params). |
| * |
| * @param define DRBG |
| * @param params getInstance request (null if none) |
| * @param expected expected actual instantiate params, empty if should fail |
| */ |
| static void check(String define, SecureRandomParameters params, |
| String... expected) throws Exception { |
| System.out.println("Testing " + define + " with " + params + "..."); |
| String old = Security.getProperty("securerandom.drbg.config"); |
| if (define != null) { |
| Security.setProperty("securerandom.drbg.config", define); |
| } |
| try { |
| String result = params != null ? |
| SecureRandom.getInstance("DRBG", params).toString() : |
| SecureRandom.getInstance("DRBG").toString(); |
| System.out.println("Result " + result); |
| if (expected.length == 0) { |
| throw new Exception("should fail"); |
| } |
| for (String s : expected) { |
| if (!result.contains(s)) { |
| throw new Exception(result); |
| } |
| } |
| } catch (NoSuchAlgorithmException e) { |
| System.out.println("Result NSAE"); |
| if (expected.length > 0) { |
| throw e; |
| } |
| } finally { |
| Security.setProperty("securerandom.drbg.config", old); |
| } |
| } |
| |
| /** |
| * Checks DRBG definition for getInstance(alg). |
| * |
| * @param define DRBG |
| * @param expected expected actual instantiate params, empty if should fail |
| */ |
| static void check(String define, String... expected) throws Exception { |
| check(define, null, expected); |
| } |
| } |