Package org.bouncycastle.jce.interfaces

Examples of org.bouncycastle.jce.interfaces.ElGamalPublicKey

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        PublicKey    key)
        throws InvalidKeyException
    {
        if (key instanceof ElGamalPublicKey)
        {
            ElGamalPublicKey    k = (ElGamalPublicKey)key;

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

        throw new InvalidKeyException("can't identify ElGamal public key.");
    }
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        PublicKey    key)
        throws InvalidKeyException
    {
        if (key instanceof ElGamalPublicKey)
        {
            ElGamalPublicKey    k = (ElGamalPublicKey)key;

            return new ElGamalPublicKeyParameters(k.getY(),
                new ElGamalParameters(k.getParameters().getP(), k.getParameters().getG()));
        }
        else if (key instanceof DHPublicKey)
        {
            DHPublicKey    k = (DHPublicKey)key;

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

        throw new InvalidKeyException("can't identify public key for El Gamal.");
    }
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    }

    private void elGamalTest()
        throws IOException, ClassNotFoundException
    {
        ElGamalPublicKey pub = (ElGamalPublicKey)readObject(elGamalPub);

        if (!elGamalY.equals(pub.getY()))
        {
            fail("public key y mismatch");
        }
        if (!elGamalG.equals(pub.getParameters().getG()))
        {
            fail("public key g mismatch");
        }
        if (!elGamalP.equals(pub.getParameters().getP()))
        {
            fail("public key p mismatch");
        }
       
        ElGamalPrivateKey priv = (ElGamalPrivateKey)readObject(elGamalPriv);
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            bcpgKey = new DSAPublicBCPGKey(dP.getP(), dP.getQ(), dP.getG(), dK.getY());
        }
        else if (pubKey instanceof ElGamalPublicKey)
        {
            ElGamalPublicKey        eK = (ElGamalPublicKey)pubKey;
            ElGamalParameterSpec    eS = eK.getParameters();

            bcpgKey = new ElGamalPublicBCPGKey(eS.getP(), eS.getG(), eK.getY());
        }
        else
        {
            throw new PGPException("unknown key class");
        }
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        PublicKey    key)
        throws InvalidKeyException
    {
        if (key instanceof ElGamalPublicKey)
        {
            ElGamalPublicKey    k = (ElGamalPublicKey)key;

            return new ElGamalPublicKeyParameters(k.getY(),
                new ElGamalParameters(k.getParameters().getP(), k.getParameters().getG()));
        }
        else if (key instanceof DHPublicKey)
        {
            DHPublicKey    k = (DHPublicKey)key;

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

        throw new InvalidKeyException("can't identify public key for El Gamal.");
    }
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            bcpgKey = new DSAPublicBCPGKey(dP.getP(), dP.getQ(), dP.getG(), dK.getY());
        }
        else if (pubKey instanceof ElGamalPublicKey)
        {
            ElGamalPublicKey        eK = (ElGamalPublicKey)pubKey;
            ElGamalParameterSpec    eS = eK.getParameters();

            bcpgKey = new ElGamalPublicBCPGKey(eS.getP(), eS.getG(), eK.getY());
        }
        else
        {
            throw new PGPException("unknown key class");
        }
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            bcpgKey = new DSAPublicBCPGKey(dP.getP(), dP.getQ(), dP.getG(), dK.getY());
        }
        else if (pubKey instanceof ElGamalPublicKey)
        {
            ElGamalPublicKey        eK = (ElGamalPublicKey)pubKey;
            ElGamalParameterSpec    eS = eK.getParameters();
           
            bcpgKey = new ElGamalPublicBCPGKey(eS.getP(), eS.getG(), eK.getY());
        }
        else
        {
            throw new PGPException("unknown key class");
        }
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   * com.illuminati.mailvault.service.BusinessService#send(java.lang.String,
   * java.lang.String, java.lang.String, java.lang.String)
   */
  public String send(String messageKey, String fromMail, String toMail, String question, String ans, Timestamp timeToLive, Float version) {
    String messageId = null;
    ElGamalPublicKey puk = getUserDao().getPublicKey(fromMail);
    ElGamalPrivateKey pvk = getUserDao().getPrivateKey(fromMail);
    byte[] hashedAnswer = null;
    if (version == 0.0F) {
      String answer = Normalizer.normalize(ans, Normalizer.Form.NFD);
      hashedAnswer = Util.hash(answer);
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      }
    } else {
      // generate the keys
      try {
        KeyPair pair = Util.generateKeys();
        ElGamalPublicKey publicKey = (ElGamalPublicKey) pair
            .getPublic();
        ElGamalPrivateKey privateKey = (ElGamalPrivateKey) pair
            .getPrivate();
        addUser(userId, publicKey, privateKey);
        return privateKey;
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      }
    } else {
      // generate the keys
      try {
        KeyPair pair = Util.generateKeys();
        ElGamalPublicKey publicKey = (ElGamalPublicKey) pair
            .getPublic();
        ElGamalPrivateKey privateKey = (ElGamalPrivateKey) pair
            .getPrivate();
        addUser(userId, publicKey, privateKey);
        return publicKey;
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Related Classes of org.bouncycastle.jce.interfaces.ElGamalPublicKey

  • dao.JdbcUserDaoImpl
  • org.bouncycastle.jcajce.provider.asymmetric.elgamal.ElGamalUtil
  • org.bouncycastle.jce.provider.ElGamalUtil
  • org.bouncycastle.jce.provider.test.SerialisationTest
  • org.bouncycastle.openpgp.operator.jcajce.JcaPGPKeyConverter
  • org.bouncycastle.openpgp.PGPPublicKey
  • service.DefaultBusinessServiceImpl
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