Package java.security.interfaces

Examples of java.security.interfaces.ECPrivateKey

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    throws Exception {

    // Create the public and private keys
    KeyPair keyPair = createECKeyPair(EC512SPEC);
    ECPublicKey publicKey = (ECPublicKey) keyPair.getPublic();
    ECPrivateKey privateKey = (ECPrivateKey) keyPair.getPrivate();

    // Creates initial unsigned JWS object
    JWSObject jwsObject = createInitialJWSObject(JWSAlgorithm.ES512);

    // Initialise signer
    JWSSigner signer = new ECDSASigner(privateKey.getS());

    jwsObject.sign(signer);

    assertEquals(JWSObject.State.SIGNED, jwsObject.getState());
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    header.setCustomParameter("exp", "2014-04-24");
    header.setCriticalHeaders(new HashSet<String>(Arrays.asList("exp")));

    KeyPair keyPair = createECKeyPair(EC512SPEC);
    ECPublicKey publicKey = (ECPublicKey) keyPair.getPublic();
    ECPrivateKey privateKey = (ECPrivateKey) keyPair.getPrivate();

    JWSObject jwsObject = new JWSObject(header, new Payload("Hello world!"));

    JWSSigner signer = new ECDSASigner(privateKey.getS());

    jwsObject.sign(signer);

    assertEquals(JWSObject.State.SIGNED, jwsObject.getState());
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    header.setCustomParameter("exp", "2014-04-24");
    header.setCriticalHeaders(new HashSet<String>(Arrays.asList("exp")));

    KeyPair keyPair = createECKeyPair(EC512SPEC);
    ECPublicKey publicKey = (ECPublicKey) keyPair.getPublic();
    ECPrivateKey privateKey = (ECPrivateKey) keyPair.getPrivate();

    JWSObject jwsObject = new JWSObject(header, new Payload("Hello world!"));

    JWSSigner signer = new ECDSASigner(privateKey.getS());

    jwsObject.sign(signer);

    assertEquals(JWSObject.State.SIGNED, jwsObject.getState());
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    ECPublicKey pub = (ECPublicKey)pair.getPublic();
    assertEquals(256, pub.getParams().getCurve().getField().getFieldSize());
    assertEquals(ExampleKeyP256.X.decodeToBigInteger(), pub.getW().getAffineX());
    assertEquals(ExampleKeyP256.Y.decodeToBigInteger(), pub.getW().getAffineY());

    ECPrivateKey priv = (ECPrivateKey)pair.getPrivate();
    assertEquals(256, priv.getParams().getCurve().getField().getFieldSize());
    assertEquals(ExampleKeyP256.D.decodeToBigInteger(), priv.getS());

    // Import
    key = new ECKey.Builder(ECKey.Curve.P_256, pub).privateKey(priv).build();
    assertEquals(ECKey.Curve.P_256, key.getCurve());
    assertEquals(ExampleKeyP256.X, key.getX());
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    assertEquals("AAhRON2r9cqXX1hg-RoI6R1tX5p2rUAYdmpHZoC1XNM56KtscrX6zb" +
      "KipQrCW9CGZH3T4ubpnoTKLDYJ_fF3_rJt", jwk.getD().toString());

    // Convert to Java EC key object
    ECPublicKey ecPublicKey = jwk.toECPublicKey();
    ECPrivateKey ecPrivateKey = jwk.toECPrivateKey();

    jwk = new ECKey.Builder(ECKey.Curve.P_521, ecPublicKey).privateKey(ecPrivateKey).build();

    assertEquals("AHKZLLOsCOzz5cY97ewNUajB957y-C-U88c3v13nmGZx6sYl_oJXu9" +
      "A5RkTKqjqvjyekWF-7ytDyRXYgCF5cj0Kt", jwk.getX().toString());
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Related Classes of java.security.interfaces.ECPrivateKey

  • com.nimbusds.jose.crypto.ECDSARoundTripTest
  • com.nimbusds.jose.jwk.ECKeyTest
  • freenet.crypt.ECDSA
  • org.apache.sshd.common.util.Buffer
  • org.bouncycastle.jcajce.provider.asymmetric.dstu.KeyFactorySpi
  • org.bouncycastle.jcajce.provider.asymmetric.ec.KeyFactorySpi
  • org.bouncycastle.jcajce.provider.asymmetric.ecgost.KeyFactorySpi
  • org.bouncycastle.jce.provider.asymmetric.ec.KeyFactory
  • org.bouncycastle.jce.provider.JDKKeyFactory
  • org.bouncycastle.jce.provider.test.DHTest
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