1 /* 2 * Copyright (c) 2006, 2013, 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 6405536 27 * @summary Verify that we can use ECGenParameterSpec 28 * @author Andreas Sterbenz 29 * @library .. 30 */ 31 32 import java.util.*; 33 34 import java.security.*; 35 import java.security.spec.*; 36 import java.security.interfaces.ECPublicKey; 37 38 public class TestECGenSpec extends PKCS11Test { 39 40 public static void main(String[] args) throws Exception { 41 main(new TestECGenSpec()); 42 } 43 44 public void main(Provider p) throws Exception { 45 if (p.getService("Signature", "SHA1withECDSA") == null) { 46 System.out.println("Provider does not support ECDSA, skipping..."); 47 return; 48 } 49 50 if (isNSS(p) && getNSSVersion() >= 3.11 && getNSSVersion() < 3.12) { 51 System.out.println("NSS 3.11 has a DER issue that recent " + 52 "version do not."); 53 return; 54 } 55 56 String[] names = { "secp256r1", "NIST P-192", "sect163k1", "1.3.132.0.26", 57 "X9.62 c2tnb239v1"}; 58 int curves = 1; 59 if (getNSSECC() == ECCState.Extended) { 60 curves = names.length; 61 } 62 int[] lengths = {256, 192, 163, 233, 239}; 63 for (int i = 0; i < curves; i++) { 64 String name = names[i]; 65 int len = lengths[i]; 66 System.out.println("Testing " + name + "..."); 67 ECGenParameterSpec spec = new ECGenParameterSpec(name); 68 69 AlgorithmParameters algParams = AlgorithmParameters.getInstance("EC", p); 70 algParams.init(spec); 71 ECParameterSpec ecSpec = algParams.getParameterSpec(ECParameterSpec.class); 72 System.out.println(ecSpec); 73 // no public API to get the curve name, so rely on toString(); 74 if (ecSpec.toString().contains(name) == false) { 75 throw new Exception("wrong curve"); 76 } 77 78 algParams = AlgorithmParameters.getInstance("EC", p); 79 algParams.init(ecSpec); 80 ECGenParameterSpec genSpec = algParams.getParameterSpec(ECGenParameterSpec.class); 81 System.out.println(genSpec.getName()); 82 83 KeyPairGenerator kpg = KeyPairGenerator.getInstance("EC", p); 84 kpg.initialize(spec); 85 KeyPair kp = kpg.generateKeyPair(); 86 System.out.println(kp.getPrivate()); 87 ECPublicKey publicKey = (ECPublicKey)kp.getPublic(); 88 if (publicKey.getParams().getCurve().getField().getFieldSize() != len) { 89 throw new Exception("wrong curve"); 90 } 91 System.out.println(); 92 } 93 } 94 95 }