Package javax.crypto.interfaces

Examples of javax.crypto.interfaces.DHPrivateKey

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    {
        IESKey   ieKey = (IESKey)key;

        if (ieKey.getPrivate() instanceof DHPrivateKey)
        {
            DHPrivateKey   k = (DHPrivateKey)ieKey.getPrivate();

            return k.getX().bitLength();
        }
        else if (ieKey.getPrivate() instanceof ECPrivateKey)
        {
            ECPrivateKey   k = (ECPrivateKey)ieKey.getPrivate();

            return k.getD().bitLength();
        }

        throw new IllegalArgumentException("not an IE key!");
    }
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        //
        // private key encoding test
        //
        byte[]              privEnc = aKeyPair.getPrivate().getEncoded();
        PKCS8EncodedKeySpec privPKCS8 = new PKCS8EncodedKeySpec(privEnc);
        DHPrivateKey        privKey = (DHPrivateKey)keyFac.generatePrivate(privPKCS8);

        spec = privKey.getParams();

        if (!spec.getG().equals(dhParams.getG()) || !spec.getP().equals(dhParams.getP()))
        {
            fail(size + " bit private key encoding/decoding test failed on parameters");
        }

        if (!((DHPrivateKey)aKeyPair.getPrivate()).getX().equals(privKey.getX()))
        {
            fail(size + " bit private key encoding/decoding test failed on y value");
        }

        //
        // private key serialisation test
        //
        privKey = (DHPrivateKey)serializeDeserialize(aKeyPair.getPrivate());
        spec = privKey.getParams();

        if (!spec.getG().equals(dhParams.getG()) || !spec.getP().equals(dhParams.getP()))
        {
            fail(size + " bit private key serialisation test failed on parameters");
        }

        if (!((DHPrivateKey)aKeyPair.getPrivate()).getX().equals(privKey.getX()))
        {
            fail(size + " bit private key serialisation test failed on X value");
        }

        if (!aKeyPair.getPrivate().equals(privKey))
        {
            fail("equals test failed");
        }

        if (aKeyPair.getPrivate().hashCode() != privKey.hashCode())
        {
            fail("hashCode test failed");
        }

        if (!(privKey instanceof PKCS12BagAttributeCarrier))
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    private void checkKeySize(int privateValueSize, KeyPair aKeyPair)
    {
        if (privateValueSize != 0)
        {
            DHPrivateKey key = (DHPrivateKey)aKeyPair.getPrivate();

            if (key.getX().bitLength() != privateValueSize)
            {
                fail("limited key check failed for key size " + privateValueSize);
            }
        }
    }
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        //
        // private key encoding test
        //
        byte[]              privEnc = aKeyPair.getPrivate().getEncoded();
        PKCS8EncodedKeySpec privPKCS8 = new PKCS8EncodedKeySpec(privEnc);
        DHPrivateKey        privKey = (DHPrivateKey)keyFac.generatePrivate(privPKCS8);

        spec = privKey.getParams();

        if (!spec.getG().equals(dhParams.getG()) || !spec.getP().equals(dhParams.getP()))
        {
            fail(size + " bit private key encoding/decoding test failed on parameters");
        }

        if (!((DHPrivateKey)aKeyPair.getPrivate()).getX().equals(privKey.getX()))
        {
            fail(size + " bit private key encoding/decoding test failed on y value");
        }

        //
        // private key serialisation test
        //
        bOut = new ByteArrayOutputStream();
        oOut = new ObjectOutputStream(bOut);

        oOut.writeObject(aKeyPair.getPrivate());

        bIn = new ByteArrayInputStream(bOut.toByteArray());
        oIn = new ObjectInputStream(bIn);

        privKey = (DHPrivateKey)oIn.readObject();
        spec = privKey.getParams();

        if (!spec.getG().equals(dhParams.getG()) || !spec.getP().equals(dhParams.getP()))
        {
            fail(size + " bit private key serialisation test failed on parameters");
        }

        if (!((DHPrivateKey)aKeyPair.getPrivate()).getX().equals(privKey.getX()))
        {
            fail(size + " bit private key serialisation test failed on y value");
        }

        //
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        Cipher        c1 = Cipher.getInstance(cipher, "BC");
        Cipher        c2 = Cipher.getInstance(cipher, "BC");
        // Generate static key pair
        KeyPair       keyPair = g.generateKeyPair();
        DHPublicKey   pub = (DHPublicKey)keyPair.getPublic();
        DHPrivateKey  priv = (DHPrivateKey)keyPair.getPrivate();
      

        // Testing with null parameters and DHAES mode off
        c1.init(Cipher.ENCRYPT_MODE, pub, new SecureRandom());
        c2.init(Cipher.DECRYPT_MODE, priv, new SecureRandom());
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        if (!(o instanceof DHPrivateKey))
        {
            return false;
        }

        DHPrivateKey other = (DHPrivateKey)o;

        return this.getX().equals(other.getX())
            && this.getParams().getG().equals(other.getParams().getG())
            && this.getParams().getP().equals(other.getParams().getP())
            && this.getParams().getL() == other.getParams().getL();
    }
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        Class spec)
        throws InvalidKeySpecException
    {
        if (spec.isAssignableFrom(DHPrivateKeySpec.class) && key instanceof DHPrivateKey)
        {
            DHPrivateKey k = (DHPrivateKey)key;

            return new DHPrivateKeySpec(k.getX(), k.getParams().getP(), k.getParams().getG());
        }
        else if (spec.isAssignableFrom(DHPublicKeySpec.class) && key instanceof DHPublicKey)
        {
            DHPublicKey k = (DHPublicKey)key;

            return new DHPublicKeySpec(k.getY(), k.getParams().getP(), k.getParams().getG());
        }

        return super.engineGetKeySpec(key, spec);
    }
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            return new ElGamalPrivateKeyParameters(k.getX(),
                new ElGamalParameters(k.getParameters().getP(), k.getParameters().getG()));
        }
        else if (key instanceof DHPrivateKey)
        {
            DHPrivateKey    k = (DHPrivateKey)key;

            return new ElGamalPrivateKeyParameters(k.getX(),
                new ElGamalParameters(k.getParams().getP(), k.getParams().getG()));
        }
                       
        throw new InvalidKeyException("can't identify private key for El Gamal.");
    }
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        //
        // private key encoding test
        //
        byte[]              privEnc = keyPair.getPrivate().getEncoded();
        PKCS8EncodedKeySpec privPKCS8 = new PKCS8EncodedKeySpec(privEnc);
        DHPrivateKey        privKey = (DHPrivateKey)keyFac.generatePrivate(privPKCS8);

        spec = privKey.getParams();

        if (!spec.getG().equals(elParams.getG()) || !spec.getP().equals(elParams.getP()))
        {
            fail(size + " bit private key encoding/decoding test failed on parameters");
        }

        if (!((DHPrivateKey)keyPair.getPrivate()).getX().equals(privKey.getX()))
        {
            fail(size + " bit private key encoding/decoding test failed on y value");
        }

        //
        // private key serialisation test
        //
        privKey = (DHPrivateKey)serializeDeserialize(keyPair.getPrivate());
        spec = privKey.getParams();

        if (!spec.getG().equals(elParams.getG()) || !spec.getP().equals(elParams.getP()))
        {
            fail(size + " bit private key serialisation test failed on parameters");
        }

        if (!((DHPrivateKey)keyPair.getPrivate()).getX().equals(privKey.getX()))
        {
            fail(size + " bit private key serialisation test failed on y value");
        }

        if (!keyPair.getPrivate().equals(privKey))
        {
            fail("equals test failed");
        }

        if (keyPair.getPrivate().hashCode() != privKey.hashCode())
        {
            fail("hashCode test failed");
        }

        if (!(privKey instanceof PKCS12BagAttributeCarrier))
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    private void checkKeySize(int privateValueSize, KeyPair aKeyPair)
    {
        if (privateValueSize != 0)
        {
            DHPrivateKey key = (DHPrivateKey)aKeyPair.getPrivate();

            if (key.getX().bitLength() != privateValueSize)
            {
                fail("limited key check failed for key size " + privateValueSize);
            }
        }
    }
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Related Classes of javax.crypto.interfaces.DHPrivateKey

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  • org.apache.geronimo.crypto.jce.provider.JDKKeyFactory
  • org.apache.geronimo.util.jce.provider.JDKKeyFactory
  • org.bouncycastle.jcajce.provider.asymmetric.dh.BCDHPrivateKey
  • org.bouncycastle.jcajce.provider.asymmetric.dh.KeyAgreementSpi
  • org.bouncycastle.jcajce.provider.asymmetric.dh.KeyFactorySpi
  • org.bouncycastle.jcajce.provider.asymmetric.elgamal.BCElGamalPrivateKey
  • org.bouncycastle.jcajce.provider.asymmetric.elgamal.ElGamalUtil
  • org.bouncycastle.jcajce.provider.asymmetric.elgamal.KeyFactorySpi
  • org.bouncycastle.jcajce.provider.asymmetric.ies.CipherSpi
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