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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  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  * @modules java.base/sun.security.util
  32  * @compile -XDignore.symbol.file TestECDH2.java
  33  * @run main TestECDH2
  34  */
  35 
  36 import java.io.*;
  37 import java.util.*;
  38 import java.math.BigInteger;
  39 
  40 import java.security.*;
  41 import java.security.spec.*;
  42 import java.security.interfaces.*;
  43 import javax.crypto.*;
  44 
  45 import sun.security.util.ECUtil;
  46 
  47 public class TestECDH2 extends PKCS11Test {
  48 
  49     // values of the keys we use for the tests
  50 
  51     // keypair using NIST P-256
  52     private final static String privD256 = "70a12c2db16845ed56ff68cfc21a472b3f04d7d6851bf6349f2d7d5b3452b38a";
  53     private final static String pubX256 = "8101ece47464a6ead70cf69a6e2bd3d88691a3262d22cba4f7635eaff26680a8";
  54     private final static String pubY256 = "d8a12ba61d599235f67d9cb4d58f1783d3ca43e78f0a5abaa624079936c0c3a9";
  55 
  56     // keypair using NIST P-384
  57     private final static String privD384 = "c838b85253ef8dc7394fa5808a5183981c7deef5a69ba8f4f2117ffea39cfcd90e95f6cbc854abacab701d50c1f3cf24";
  58     private final static String pubX384 = "1fbac8eebd0cbf35640b39efe0808dd774debff20a2a329e91713baf7d7f3c3e81546d883730bee7e48678f857b02ca0";
  59     private final static String pubY384 = "eb213103bd68ce343365a8a4c3d4555fa385f5330203bdd76ffad1f3affb95751c132007e1b240353cb0a4cf1693bdf9";
  60 
  61     private KeyFactory kf = null;
  62     private KeyPairGenerator kpg = null;
  63 
  64     private static void testKeyAgreement(KeyPair kpA, KeyPair kpB, Provider p)
  65         throws Exception {
  66         KeyAgreement ka1 = KeyAgreement.getInstance("ECDH", p);
  67         ka1.init(kpA.getPrivate());
  68         ka1.doPhase(kpB.getPublic(), true);
  69         byte[] s1 = ka1.generateSecret();
  70 
  71         KeyAgreement ka2 = KeyAgreement.getInstance("ECDH", p);
  72         ka2.init(kpB.getPrivate());
  73         ka2.doPhase(kpA.getPublic(), true);
  74         byte[] s2 = ka2.generateSecret();
  75         if (Arrays.equals(s1, s2) == false) {
  76             System.out.println("expected: " + toString(s1));
  77             System.out.println("actual:   " + toString(s2));
  78             throw new Exception("Generated secrets do not match");
  79         }
  80     }
  81 
  82     private KeyPair genECKeyPair(String curvName, String privD, String pubX,
  83                                  String pubY, Provider p) throws Exception {
  84         ECParameterSpec ecParams = ECUtil.getECParameterSpec(p, curvName);
  85         ECPrivateKeySpec privKeySpec =
  86             new ECPrivateKeySpec(new BigInteger(privD, 16), ecParams);
  87         ECPublicKeySpec pubKeySpec =
  88             new ECPublicKeySpec(new ECPoint(new BigInteger(pubX, 16),
  89                                             new BigInteger(pubY, 16)),
  90                                 ecParams);
  91         PrivateKey privKey = kf.generatePrivate(privKeySpec);
  92         PublicKey pubKey = kf.generatePublic(pubKeySpec);
  93         return new KeyPair(pubKey, privKey);
  94     }
  95     private KeyPair genECKeyPair(String curvName) throws Exception {
  96         ECGenParameterSpec genParams = new ECGenParameterSpec(curvName);
  97         kpg.initialize(genParams, null);
  98         return kpg.generateKeyPair();
  99     }
 100     public static void main(String[] args) throws Exception {
 101         main(new TestECDH2());
 102     }
 103 
 104     public void main(Provider provider) throws Exception {
 105         if (provider.getService("KeyAgreement", "ECDH") == null) {
 106             System.out.println("ECDH not supported, skipping");
 107             return;
 108         }
 109 
 110         if (isNSS(provider) && getNSSVersion() >= 3.11 &&
 111                 getNSSVersion() < 3.12) {
 112             System.out.println("NSS 3.11 has a DER issue that recent " +
 113                     "version do not.");
 114             return;
 115         }
 116 
 117         kf = KeyFactory.getInstance("EC", provider);
 118         kpg = KeyPairGenerator.getInstance("EC", provider);
 119 
 120         System.out.println("Testing against NIST P-256");
 121 
 122         long start = System.currentTimeMillis();
 123         KeyPair kp256A =
 124             genECKeyPair("secp256r1", privD256, pubX256, pubY256, provider);
 125         KeyPair kp256B = genECKeyPair("secp256r1");
 126         testKeyAgreement(kp256A, kp256B, provider);
 127 
 128         System.out.println("Testing against NIST P-384");
 129         KeyPair kp384A =
 130             genECKeyPair("secp384r1", privD384, pubX384, pubY384, provider);
 131         KeyPair kp384B = genECKeyPair("secp384r1");
 132         testKeyAgreement(kp384A, kp384B, provider);
 133 
 134         long stop = System.currentTimeMillis();
 135         System.out.println("All tests passed (" + (stop - start) + " ms).");
 136     }
 137 }