1 /*
2 * Copyright (c) 2012, 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 /*
25 * @test
26 * @bug 7044060
27 * @summary verify that DSA parameter generation works
28 * @run main/othervm/timeout=300 TestAlgParameterGenerator
29 */
30 import java.security.*;
31 import java.security.spec.*;
32 import java.security.interfaces.*;
33
34 public class TestAlgParameterGenerator {
35
36 private static void checkParamStrength(AlgorithmParameters param,
37 int strength) throws Exception {
38 String algo = param.getAlgorithm();
39 if (!algo.equalsIgnoreCase("DSA")) {
40 throw new Exception("Unexpected type of parameters: " + algo);
41 }
42 DSAParameterSpec spec = param.getParameterSpec(DSAParameterSpec.class);
43 int valueL = spec.getP().bitLength();
44 if (strength != valueL) {
45 System.out.println("Expected " + strength + " but actual " + valueL);
46 throw new Exception("Wrong P strength");
61 throw new Exception("Wrong P strength");
62 }
63 int valueN = spec.getQ().bitLength();
64 strength = genParam.getSubprimeQLength();
65 if (strength != valueN) {
66 System.out.println("Q: Expected " + strength + " but actual " + valueN);
67 throw new Exception("Wrong Q strength");
68 }
69 }
70
71 public static void main(String[] args) throws Exception {
72 AlgorithmParameterGenerator apg =
73 AlgorithmParameterGenerator.getInstance("DSA", "SUN");
74
75 long start, stop;
76 // make sure no-init still works
77 start = System.currentTimeMillis();
78 AlgorithmParameters param = apg.generateParameters();
79 stop = System.currentTimeMillis();
80 System.out.println("Time: " + (stop - start) + " ms.");
81 checkParamStrength(param, 1024);
82
83 // make sure the old model works
84 int[] strengths = { 512, 768, 1024 };
85 for (int i = 0; i < strengths.length; i++) {
86 int sizeP = strengths[i];
87 System.out.println("Generating " + sizeP + "-bit DSA Parameters");
88 start = System.currentTimeMillis();
89 apg.init(sizeP);
90 param = apg.generateParameters();
91 stop = System.currentTimeMillis();
92 System.out.println("Time: " + (stop - start) + " ms.");
93 checkParamStrength(param, sizeP);
94 }
95
96 // now the newer model
97 DSAGenParameterSpec spec1 = new DSAGenParameterSpec(1024, 160);
98 DSAGenParameterSpec spec2 = new DSAGenParameterSpec(2048, 224);
99 DSAGenParameterSpec spec3 = new DSAGenParameterSpec(2048, 256);
100 //DSAGenParameterSpec spec4 = new DSAGenParameterSpec(3072, 256);
101 DSAGenParameterSpec[] specSet = {
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1 /*
2 * Copyright (c) 2012, 2017, 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 /*
25 * @test
26 * @bug 7044060 8181048
27 * @summary verify that DSA parameter generation works
28 * @run main/othervm/timeout=300 TestAlgParameterGenerator
29 */
30 import java.security.*;
31 import java.security.spec.*;
32 import java.security.interfaces.*;
33
34 public class TestAlgParameterGenerator {
35
36 private static void checkParamStrength(AlgorithmParameters param,
37 int strength) throws Exception {
38 String algo = param.getAlgorithm();
39 if (!algo.equalsIgnoreCase("DSA")) {
40 throw new Exception("Unexpected type of parameters: " + algo);
41 }
42 DSAParameterSpec spec = param.getParameterSpec(DSAParameterSpec.class);
43 int valueL = spec.getP().bitLength();
44 if (strength != valueL) {
45 System.out.println("Expected " + strength + " but actual " + valueL);
46 throw new Exception("Wrong P strength");
61 throw new Exception("Wrong P strength");
62 }
63 int valueN = spec.getQ().bitLength();
64 strength = genParam.getSubprimeQLength();
65 if (strength != valueN) {
66 System.out.println("Q: Expected " + strength + " but actual " + valueN);
67 throw new Exception("Wrong Q strength");
68 }
69 }
70
71 public static void main(String[] args) throws Exception {
72 AlgorithmParameterGenerator apg =
73 AlgorithmParameterGenerator.getInstance("DSA", "SUN");
74
75 long start, stop;
76 // make sure no-init still works
77 start = System.currentTimeMillis();
78 AlgorithmParameters param = apg.generateParameters();
79 stop = System.currentTimeMillis();
80 System.out.println("Time: " + (stop - start) + " ms.");
81
82 // make sure the old model works
83 int[] strengths = { 512, 768, 1024 };
84 for (int i = 0; i < strengths.length; i++) {
85 int sizeP = strengths[i];
86 System.out.println("Generating " + sizeP + "-bit DSA Parameters");
87 start = System.currentTimeMillis();
88 apg.init(sizeP);
89 param = apg.generateParameters();
90 stop = System.currentTimeMillis();
91 System.out.println("Time: " + (stop - start) + " ms.");
92 checkParamStrength(param, sizeP);
93 }
94
95 // now the newer model
96 DSAGenParameterSpec spec1 = new DSAGenParameterSpec(1024, 160);
97 DSAGenParameterSpec spec2 = new DSAGenParameterSpec(2048, 224);
98 DSAGenParameterSpec spec3 = new DSAGenParameterSpec(2048, 256);
99 //DSAGenParameterSpec spec4 = new DSAGenParameterSpec(3072, 256);
100 DSAGenParameterSpec[] specSet = {
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