Package java.security.interfaces

Examples of java.security.interfaces.ECPublicKey

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       {
               return new X509EncodedKeySpec(key.getEncoded());
       }
       else if (spec.isAssignableFrom(java.security.spec.ECPublicKeySpec.class) && key instanceof ECPublicKey)
       {
           ECPublicKey k = (ECPublicKey)key;

           return new java.security.spec.ECPublicKeySpec(k.getW(), k.getParams());
       }
       else if (spec.isAssignableFrom(java.security.spec.ECPrivateKeySpec.class) && key instanceof ECPrivateKey)
       {
           ECPrivateKey k = (ECPrivateKey)key;

           return new java.security.spec.ECPrivateKeySpec(k.getS(), k.getParams());
       }

       throw new RuntimeException("not implemented yet " + key + " " + spec);
    }
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           return new DHPublicKeySpec(k.getY(), k.getParams().getP(), k.getParams().getG());
       }
       else if (spec.isAssignableFrom(java.security.spec.ECPublicKeySpec.class) && key instanceof ECPublicKey)
       {
           ECPublicKey k = (ECPublicKey)key;

           return new java.security.spec.ECPublicKeySpec(k.getW(), k.getParams());
       }
       else if (spec.isAssignableFrom(java.security.spec.ECPrivateKeySpec.class) && key instanceof ECPrivateKey)
       {
           ECPrivateKey k = (ECPrivateKey)key;

           return new java.security.spec.ECPrivateKeySpec(k.getS(), k.getParams());
       }

       throw new RuntimeException("not implemented yet " + key + " " + spec);
    }
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        // public key encoding test
        //
        byte[]              pubEnc = aKeyPair.getPublic().getEncoded();
        KeyFactory          keyFac = KeyFactory.getInstance("ECDH", "BC");
        X509EncodedKeySpec  pubX509 = new X509EncodedKeySpec(pubEnc);
        ECPublicKey         pubKey = (ECPublicKey)keyFac.generatePublic(pubX509);

        if (!pubKey.getW().equals(((ECPublicKey)aKeyPair.getPublic()).getW()))
        {
            fail("public key encoding (Q test) failed");
        }

        if (!(pubKey.getParams() instanceof ECNamedCurveSpec))
        {
            fail("public key encoding not named curve");
        }

        //
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        // public key encoding test
        //
        byte[]              pubEnc = vKey.getEncoded();
        KeyFactory          keyFac = KeyFactory.getInstance("ECDH", "BC");
        X509EncodedKeySpec  pubX509 = new X509EncodedKeySpec(pubEnc);
        ECPublicKey         pubKey = (ECPublicKey)keyFac.generatePublic(pubX509);

        if (!pubKey.getW().equals(((ECPublicKey)vKey).getW()))
        {
            fail("public key encoding (Q test) failed");
        }

        if (!(pubKey.getParams() instanceof ECNamedCurveSpec))
        {
            fail("public key encoding not named curve");
        }

        //
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        // public key encoding test
        //
        byte[]              pubEnc = aKeyPair.getPublic().getEncoded();
        KeyFactory          keyFac = KeyFactory.getInstance(algorithm, "BC");
        X509EncodedKeySpec  pubX509 = new X509EncodedKeySpec(pubEnc);
        ECPublicKey         pubKey = (ECPublicKey)keyFac.generatePublic(pubX509);

        if (!pubKey.getW().equals(((ECPublicKey)aKeyPair.getPublic()).getW()))
        {
            System.out.println(" expected " + pubKey.getW().getAffineX() + " got " + ((ECPublicKey)aKeyPair.getPublic()).getW().getAffineX());
            System.out.println(" expected " + pubKey.getW().getAffineY() + " got " + ((ECPublicKey)aKeyPair.getPublic()).getW().getAffineY());
            fail(algorithm + " public key encoding (W test) failed");
        }

        if (!pubKey.getParams().getGenerator().equals(((ECPublicKey)aKeyPair.getPublic()).getParams().getGenerator()))
        {
            fail(algorithm + " public key encoding (G test) failed");
        }

        //
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        private Method encodePoint, decodePoint, getCurveName,
                       getECParameterSpec;

        EC(PublicKey key) throws KeyException {
            super(key);
            ECPublicKey ecKey = (ECPublicKey)key;
            ECPoint ecPoint = ecKey.getW();
            ecParams = ecKey.getParams();
            try {
                AccessController.doPrivileged(
                    new PrivilegedExceptionAction<Void>() {
                        public Void run() throws
                            ClassNotFoundException, NoSuchMethodException
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    ECKey key = new ECKey.Builder(ExampleKeyP256.CRV, ExampleKeyP256.X, ExampleKeyP256.Y).d(ExampleKeyP256.D).build();

    // Export
    KeyPair pair = key.toKeyPair();

    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());
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    ECKey key = new ECKey.Builder(ExampleKeyP256Alt.CRV, ExampleKeyP256Alt.X, ExampleKeyP256Alt.Y).build();

    // Export
    KeyPair pair = key.toKeyPair();

    ECPublicKey pub = (ECPublicKey)pair.getPublic();
    assertEquals(256, pub.getParams().getCurve().getField().getFieldSize());
    assertEquals(ExampleKeyP256Alt.X.decodeToBigInteger(), pub.getW().getAffineX());
    assertEquals(ExampleKeyP256Alt.Y.decodeToBigInteger(), pub.getW().getAffineY());

    // Import
    key = new ECKey.Builder(ExampleKeyP256Alt.CRV, pub).build();
    assertEquals(ECKey.Curve.P_256, key.getCurve());
    assertEquals(ExampleKeyP256Alt.X, key.getX());
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    ECKey key = new ECKey.Builder(ExampleKeyP384Alt.CRV, ExampleKeyP384Alt.X, ExampleKeyP384Alt.Y).build();

    // Export
    KeyPair pair = key.toKeyPair();

    ECPublicKey pub = (ECPublicKey)pair.getPublic();
    assertEquals(384, pub.getParams().getCurve().getField().getFieldSize());
    assertEquals(ExampleKeyP384Alt.X.decodeToBigInteger(), pub.getW().getAffineX());
    assertEquals(ExampleKeyP384Alt.Y.decodeToBigInteger(), pub.getW().getAffineY());

    // Import
    key = new ECKey.Builder(ExampleKeyP384Alt.CRV, pub).build();
    assertEquals(ECKey.Curve.P_384, key.getCurve());
    assertEquals(ExampleKeyP384Alt.X, key.getX());
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    ECKey key = new ECKey.Builder(ExampleKeyP521Alt.CRV, ExampleKeyP521Alt.X, ExampleKeyP521Alt.Y).build();

    // Export
    KeyPair pair = key.toKeyPair();

    ECPublicKey pub = (ECPublicKey)pair.getPublic();
    assertEquals(521, pub.getParams().getCurve().getField().getFieldSize());
    assertEquals(ExampleKeyP521Alt.X.decodeToBigInteger(), pub.getW().getAffineX());
    assertEquals(ExampleKeyP521Alt.Y.decodeToBigInteger(), pub.getW().getAffineY());

    // Import
    key = new ECKey.Builder(ExampleKeyP521Alt.CRV, pub).build();
    assertEquals(ECKey.Curve.P_521, key.getCurve());
    assertEquals(ExampleKeyP521Alt.X, key.getX());
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