Package org.bouncycastle.jce.interfaces

Examples of org.bouncycastle.jce.interfaces.ECPublicKey

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        PublicKey    key)
        throws InvalidKeyException
    {
        if (key instanceof ECPublicKey)
        {
            ECPublicKey    k = (ECPublicKey)key;
            ECParameterSpec s = k.getParameters();

            if (s == null)
            {
                s = ProviderUtil.getEcImplicitlyCa();

                return new ECPublicKeyParameters(
                            ((JCEECPublicKey)k).engineGetQ(),
                            new ECDomainParameters(s.getCurve(), s.getG(), s.getN(), s.getH(), s.getSeed()));
            }
            else
            {
                return new ECPublicKeyParameters(
                            k.getQ(),
                            new ECDomainParameters(s.getCurve(), s.getG(), s.getN(), s.getH(), s.getSeed()));
            }
        }

        throw new InvalidKeyException("can't identify EC public key.");
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        g.initialize(null, new SecureRandom());

        KeyPair p = g.generateKeyPair();

        ECPrivateKey sKey = (ECPrivateKey)p.getPrivate();
        ECPublicKey vKey = (ECPublicKey)p.getPublic();

        testECDSA(sKey, vKey);

        testBCParamsAndQ(sKey, vKey);
        testEC5Params(sKey, vKey);
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        g.initialize(null, new SecureRandom());

        KeyPair p = g.generateKeyPair();

        ECPrivateKey sKey = (ECPrivateKey)p.getPrivate();
        ECPublicKey vKey = (ECPublicKey)p.getPublic();

        KeyFactory fact = KeyFactory.getInstance("ECDSA", "BC");

        vKey = (ECPublicKey)fact.generatePublic(new ECPublicKeySpec(vKey.getQ(), null));
        sKey = (ECPrivateKey)fact.generatePrivate(new ECPrivateKeySpec(sKey.getD(), null));
       
        testECDSA(sKey, vKey);

        testBCParamsAndQ(sKey, vKey);
        testEC5Params(sKey, vKey);

        testEncoding(sKey, vKey);

        ECPublicKey vKey2 = (ECPublicKey)fact.generatePublic(new ECPublicKeySpec(vKey.getQ(), ecSpec));
        ECPrivateKey sKey2 = (ECPrivateKey)fact.generatePrivate(new ECPrivateKeySpec(sKey.getD(), ecSpec));

        if (!vKey.equals(vKey2) || vKey.hashCode() != vKey2.hashCode())
        {
            fail("private equals/hashCode failed");
        }

        if (!sKey.equals(sKey2) || sKey.hashCode() != sKey2.hashCode())
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        g.initialize(null, new SecureRandom());

        KeyPair p = g.generateKeyPair();

        ECPrivateKey sKey = (ECPrivateKey)p.getPrivate();
        ECPublicKey vKey = (ECPublicKey)p.getPublic();

        testECDSA(sKey, vKey);

        testBCParamsAndQ(sKey, vKey);
        testEC5Params(sKey, vKey);
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        g.initialize(null, new SecureRandom());

        KeyPair p = g.generateKeyPair();

        ECPrivateKey sKey = (ECPrivateKey)p.getPrivate();
        ECPublicKey vKey = (ECPublicKey)p.getPublic();

        testECDSA(sKey, vKey);

        testBCParamsAndQ(sKey, vKey);
        testEC5Params(sKey, vKey);
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        if (!vInfo.getAlgorithmId().getParameters().equals(DERNull.INSTANCE))
        {
            fail("public key parameters wrong");
        }
       
        ECPublicKey vKey = (ECPublicKey)kFact.generatePublic(new X509EncodedKeySpec(bytes));

        if (!vKey.equals(pubKey) || vKey.hashCode() != pubKey.hashCode())
        {
            fail("public equals/hashCode failed");
        }

        testBCParamsAndQ(sKey, vKey);
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        PublicKey    key)
        throws InvalidKeyException
    {
        if (key instanceof ECPublicKey)
        {
            ECPublicKey    k = (ECPublicKey)key;
            ECParameterSpec s = k.getParameters();

            if (s == null)
            {
                s = ProviderUtil.getEcImplicitlyCa();

                return new ECPublicKeyParameters(
                            ((JCEECPublicKey)k).engineGetQ(),
                            new ECDomainParameters(s.getCurve(), s.getG(), s.getN(), s.getH(), s.getSeed()));
            }
            else
            {
                return new ECPublicKeyParameters(
                            k.getQ(),
                            new ECDomainParameters(s.getCurve(), s.getG(), s.getN(), s.getH(), s.getSeed()));
            }
        }
        else if (key instanceof java.security.interfaces.ECPublicKey)
        {
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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.getQ().equals(((ECPublicKey)aKeyPair.getPublic()).getQ()))
            {
                return new SimpleTestResult(false, getName() + ": public key encoding (Q test) failed");
            }

            if (!(pubKey.getParameters() instanceof ECNamedCurveParameterSpec))
            {
                return new SimpleTestResult(false, getName() + ": public key encoding not named curve");
            }

            //
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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.getQ().equals(((ECPublicKey)aKeyPair.getPublic()).getQ()))
            {
                return new SimpleTestResult(false, "ECDH public key encoding (Q test) failed");
            }

            if (!pubKey.getParameters().getG().equals(((ECPublicKey)aKeyPair.getPublic()).getParameters().getG()))
            {
                return new SimpleTestResult(false, "ECDH public key encoding (G test) failed");
            }

            //
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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.getQ().equals(((ECPublicKey)aKeyPair.getPublic()).getQ()))
            {
                return new SimpleTestResult(false, "ECDH public key encoding (Q test) failed");
            }

            if (!pubKey.getParameters().getN().equals(((ECPublicKey)aKeyPair.getPublic()).getParameters().getN()))
            {
                return new SimpleTestResult(false, "ECDH public key encoding (N test) failed");
            }

            //
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Related Classes of org.bouncycastle.jce.interfaces.ECPublicKey

  • org.bouncycastle.jcajce.provider.asymmetric.util.ECUtil
  • org.bouncycastle.jce.provider.asymmetric.ec.ECUtil
  • org.bouncycastle.jce.provider.ECUtil
  • org.bouncycastle.jce.provider.test.DHTest
  • org.bouncycastle.jce.provider.test.ECEncodingTest
  • org.bouncycastle.jce.provider.test.ECIESTest
  • org.bouncycastle.jce.provider.test.GOST3410Test
  • org.bouncycastle.jce.provider.test.ImplicitlyCaTest
  • org.bouncycastle.jce.provider.test.NamedCurveTest
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