1 /*
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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
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   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).
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  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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  23 
  24 /**
  25  * @test
  26  * @bug 6405536
  27  * @summary basic test of ECDSA signatures for P-256 and P-384 from the
  28  * example data in "Suite B Implementer's Guide to FIPS 186-3".
  29  * @library ..
  30  * @library ../../../../java/security/testlibrary
  31  * @compile -XDignore.symbol.file TestECDH2.java
  32  * @run main TestECDH2
  33  */
  34 
  35 import java.io.*;
  36 import java.util.*;
  37 import java.math.BigInteger;
  38 
  39 import java.security.*;
  40 import java.security.spec.*;
  41 import java.security.interfaces.*;
  42 import javax.crypto.*;
  43 
  44 import sun.security.util.ECUtil;
  45 
  46 public class TestECDH2 extends PKCS11Test {
  47 
  48     // values of the keys we use for the tests
  49 
  50     // keypair using NIST P-256
  51     private final static String privD256 = "70a12c2db16845ed56ff68cfc21a472b3f04d7d6851bf6349f2d7d5b3452b38a";
  52     private final static String pubX256 = "8101ece47464a6ead70cf69a6e2bd3d88691a3262d22cba4f7635eaff26680a8";
  53     private final static String pubY256 = "d8a12ba61d599235f67d9cb4d58f1783d3ca43e78f0a5abaa624079936c0c3a9";
  54 
  55     // keypair using NIST P-384
  56     private final static String privD384 = "c838b85253ef8dc7394fa5808a5183981c7deef5a69ba8f4f2117ffea39cfcd90e95f6cbc854abacab701d50c1f3cf24";
  57     private final static String pubX384 = "1fbac8eebd0cbf35640b39efe0808dd774debff20a2a329e91713baf7d7f3c3e81546d883730bee7e48678f857b02ca0";
  58     private final static String pubY384 = "eb213103bd68ce343365a8a4c3d4555fa385f5330203bdd76ffad1f3affb95751c132007e1b240353cb0a4cf1693bdf9";
  59 
  60     private KeyFactory kf = null;
  61     private KeyPairGenerator kpg = null;
  62 
  63     private static void testKeyAgreement(KeyPair kpA, KeyPair kpB, Provider p)
  64         throws Exception {
  65         KeyAgreement ka1 = KeyAgreement.getInstance("ECDH", p);
  66         ka1.init(kpA.getPrivate());
  67         ka1.doPhase(kpB.getPublic(), true);
  68         byte[] s1 = ka1.generateSecret();
  69 
  70         KeyAgreement ka2 = KeyAgreement.getInstance("ECDH", p);
  71         ka2.init(kpB.getPrivate());
  72         ka2.doPhase(kpA.getPublic(), true);
  73         byte[] s2 = ka2.generateSecret();
  74         if (Arrays.equals(s1, s2) == false) {
  75             System.out.println("expected: " + toString(s1));
  76             System.out.println("actual:   " + toString(s2));
  77             throw new Exception("Generated secrets do not match");
  78         }
  79     }
  80 
  81     private KeyPair genECKeyPair(String curvName, String privD, String pubX,
  82                                  String pubY, Provider p) throws Exception {
  83         ECParameterSpec ecParams = ECUtil.getECParameterSpec(p, curvName);
  84         ECPrivateKeySpec privKeySpec =
  85             new ECPrivateKeySpec(new BigInteger(privD, 16), ecParams);
  86         ECPublicKeySpec pubKeySpec =
  87             new ECPublicKeySpec(new ECPoint(new BigInteger(pubX, 16),
  88                                             new BigInteger(pubY, 16)),
  89                                 ecParams);
  90         PrivateKey privKey = kf.generatePrivate(privKeySpec);
  91         PublicKey pubKey = kf.generatePublic(pubKeySpec);
  92         return new KeyPair(pubKey, privKey);
  93     }
  94     private KeyPair genECKeyPair(String curvName) throws Exception {
  95         ECGenParameterSpec genParams = new ECGenParameterSpec(curvName);
  96         kpg.initialize(genParams, null);
  97         return kpg.generateKeyPair();
  98     }
  99     public static void main(String[] args) throws Exception {
 100         main(new TestECDH2());
 101     }
 102 
 103     public void main(Provider provider) throws Exception {
 104         if (provider.getService("KeyAgreement", "ECDH") == null) {
 105             System.out.println("ECDH not supported, skipping");
 106             return;
 107         }
 108 
 109         if (isNSS(provider) && getNSSVersion() >= 3.11 &&
 110                 getNSSVersion() < 3.12) {
 111             System.out.println("NSS 3.11 has a DER issue that recent " +
 112                     "version do not.");
 113             return;
 114         }
 115 
 116         kf = KeyFactory.getInstance("EC", provider);
 117         kpg = KeyPairGenerator.getInstance("EC", provider);
 118 
 119         System.out.println("Testing against NIST P-256");
 120 
 121         long start = System.currentTimeMillis();
 122         KeyPair kp256A =
 123             genECKeyPair("secp256r1", privD256, pubX256, pubY256, provider);
 124         KeyPair kp256B = genECKeyPair("secp256r1");
 125         testKeyAgreement(kp256A, kp256B, provider);
 126 
 127         System.out.println("Testing against NIST P-384");
 128         KeyPair kp384A =
 129             genECKeyPair("secp384r1", privD384, pubX384, pubY384, provider);
 130         KeyPair kp384B = genECKeyPair("secp384r1");
 131         testKeyAgreement(kp384A, kp384B, provider);
 132 
 133         long stop = System.currentTimeMillis();
 134         System.out.println("All tests passed (" + (stop - start) + " ms).");
 135     }
 136 }