AbstractWrappedDSAKey.java

/* See LICENSE for licensing and NOTICE for copyright. */
package org.cryptacular.adapter;

import java.math.BigInteger;
import java.security.interfaces.DSAParams;
import org.bouncycastle.crypto.params.DSAKeyParameters;

/**
 * Base class for DSA wrapped keys.
 *
 * @param  <T>  DSA key parameters type.
 *
 * @author  Middleware Services
 */
public abstract class AbstractWrappedDSAKey<T extends DSAKeyParameters> extends AbstractWrappedKey<T>
{

  /** DSA algorithm name. */
  private static final String ALGORITHM = "DSA";


  /**
   * Creates a new instance that wraps the given key.
   *
   * @param  wrappedKey  Key to wrap.
   */
  public AbstractWrappedDSAKey(final T wrappedKey)
  {
    super(wrappedKey);
  }


  /** @return  DSA key parameters. */
  public DSAParams getParams()
  {
    return
      new DSAParams() {
      @Override
      public BigInteger getP()
      {
        return delegate.getParameters().getP();
      }

      @Override
      public BigInteger getQ()
      {
        return delegate.getParameters().getQ();
      }

      @Override
      public BigInteger getG()
      {
        return delegate.getParameters().getG();
      }
    };
  }


  @Override
  public String getAlgorithm()
  {
    return ALGORITHM;
  }
}