How to use

SecretKeyFactorySpi

in

javax.crypto

/**
 * Generate a secret key from the specified key specification.
 *
 * @param keySpec
 *            the key specification.
 * @return a secret key.
 * @throws InvalidKeySpecException
 *             if the specified key specification cannot be used to generate
 *             a secret key.
 */
public final SecretKey generateSecret(KeySpec keySpec)
    throws InvalidKeySpecException {
  return spiImpl.engineGenerateSecret(keySpec);
}

/**
 * Returns the key specification of the specified secret key.
 *
 * @param key
 *            the secret key to get the specification from.
 * @param keySpec
 *            the target key specification class.
 * @return an instance of the specified key specification class.
 * @throws InvalidKeySpecException
 *             if the specified secret key cannot be transformed into the
 *             requested key specification.
 */
@SuppressWarnings("unchecked")
public final KeySpec getKeySpec(SecretKey key, Class keySpec)
    throws InvalidKeySpecException {
  return spiImpl.engineGetKeySpec(key, keySpec);
}

  /**
   * Translates the specified secret key into an instance of the corresponding
   * key from the provider of this key factory.
   *
   * @param key
   *            the secret key to translate.
   * @return the corresponding translated key.
   * @throws InvalidKeyException
   *             if the specified key cannot be translated using this key
   *             factory.
   */
  public final SecretKey translateKey(SecretKey key)
      throws InvalidKeyException {
    return spiImpl.engineTranslateKey(key);

  }
}

/**
 * Generate a secret key from the specified key specification.
 *
 * @param keySpec
 *            the key specification.
 * @return a secret key.
 * @throws InvalidKeySpecException
 *             if the specified key specification cannot be used to generate
 *             a secret key.
 */
public final SecretKey generateSecret(KeySpec keySpec)
    throws InvalidKeySpecException {
  return spiImpl.engineGenerateSecret(keySpec);
}

  /**
   * Translates the specified secret key into an instance of the corresponding
   * key from the provider of this key factory.
   *
   * @param key
   *            the secret key to translate.
   * @return the corresponding translated key.
   * @throws InvalidKeyException
   *             if the specified key cannot be translated using this key
   *             factory.
   */
  public final SecretKey translateKey(SecretKey key)
      throws InvalidKeyException {
    return spiImpl.engineTranslateKey(key);

  }
}

/**
 * Returns the key specification of the specified secret key.
 *
 * @param key
 *            the secret key to get the specification from.
 * @param keySpec
 *            the target key specification class.
 * @return an instance of the specified key specification class.
 * @throws InvalidKeySpecException
 *             if the specified secret key cannot be transformed into the
 *             requested key specification.
 */
@SuppressWarnings("unchecked")
public final KeySpec getKeySpec(SecretKey key, Class keySpec)
    throws InvalidKeySpecException {
  return spiImpl.engineGetKeySpec(key, keySpec);
}

/**
 * Generate a secret key from the specified key specification.
 *
 * @param keySpec
 *            the key specification.
 * @return a secret key.
 * @throws InvalidKeySpecException
 *             if the specified key specification cannot be used to generate
 *             a secret key.
 */
public final SecretKey generateSecret(KeySpec keySpec)
    throws InvalidKeySpecException {
  return spiImpl.engineGenerateSecret(keySpec);
}

  /**
   * Translates the specified secret key into an instance of the corresponding
   * key from the provider of this key factory.
   *
   * @param key
   *            the secret key to translate.
   * @return the corresponding translated key.
   * @throws InvalidKeyException
   *             if the specified key cannot be translated using this key
   *             factory.
   */
  public final SecretKey translateKey(SecretKey key)
      throws InvalidKeyException {
    return spiImpl.engineTranslateKey(key);

  }
}

/**
 * Returns the key specification of the specified secret key.
 *
 * @param key
 *            the secret key to get the specification from.
 * @param keySpec
 *            the target key specification class.
 * @return an instance of the specified key specification class.
 * @throws InvalidKeySpecException
 *             if the specified secret key cannot be transformed into the
 *             requested key specification.
 */
@SuppressWarnings("unchecked")
public final KeySpec getKeySpec(SecretKey key, Class keySpec)
    throws InvalidKeySpecException {
  return spiImpl.engineGetKeySpec(key, keySpec);
}

/**
 * Generate a secret key from the specified key specification.
 *
 * @param keySpec
 *            the key specification.
 * @return a secret key.
 * @throws InvalidKeySpecException
 *             if the specified key specification cannot be used to generate
 *             a secret key.
 */
public final SecretKey generateSecret(KeySpec keySpec)
    throws InvalidKeySpecException {
  return spiImpl.engineGenerateSecret(keySpec);
}

  /**
   * Translates the specified secret key into an instance of the corresponding
   * key from the provider of this key factory.
   *
   * @param key
   *            the secret key to translate.
   * @return the corresponding translated key.
   * @throws InvalidKeyException
   *             if the specified key cannot be translated using this key
   *             factory.
   */
  public final SecretKey translateKey(SecretKey key)
      throws InvalidKeyException {
    return spiImpl.engineTranslateKey(key);

  }
}

/**
 * Returns the key specification of the specified secret key.
 *
 * @param key
 *            the secret key to get the specification from.
 * @param keySpec
 *            the target key specification class.
 * @return an instance of the specified key specification class.
 * @throws InvalidKeySpecException
 *             if the specified secret key cannot be transformed into the
 *             requested key specification.
 */
@SuppressWarnings("unchecked")
public final KeySpec getKeySpec(SecretKey key, Class keySpec)
    throws InvalidKeySpecException {
  return spiImpl.engineGetKeySpec(key, keySpec);
}

/**
 * Generate a secret key from the specified key specification.
 *
 * @param keySpec
 *            the key specification.
 * @return a secret key.
 * @throws InvalidKeySpecException
 *             if the specified key specification cannot be used to generate
 *             a secret key.
 */
public final SecretKey generateSecret(KeySpec keySpec)
    throws InvalidKeySpecException {
  return spiImpl.engineGenerateSecret(keySpec);
}

  /**
   * Translates the specified secret key into an instance of the corresponding
   * key from the provider of this key factory.
   *
   * @param key
   *            the secret key to translate.
   * @return the corresponding translated key.
   * @throws InvalidKeyException
   *             if the specified key cannot be translated using this key
   *             factory.
   */
  public final SecretKey translateKey(SecretKey key)
      throws InvalidKeyException {
    return spiImpl.engineTranslateKey(key);

  }
}

/**
 * Returns the key specification of the specified secret key.
 *
 * @param key
 *            the secret key to get the specification from.
 * @param keySpec
 *            the target key specification class.
 * @return an instance of the specified key specification class.
 * @throws InvalidKeySpecException
 *             if the specified secret key cannot be transformed into the
 *             requested key specification.
 */
@SuppressWarnings("unchecked")
public final KeySpec getKeySpec(SecretKey key, Class keySpec)
    throws InvalidKeySpecException {
  return spiImpl.engineGetKeySpec(key, keySpec);
}

/**
 * Generate a secret key from the specified key specification.
 *
 * @param keySpec
 *            the key specification.
 * @return a secret key.
 * @throws InvalidKeySpecException
 *             if the specified key specification cannot be used to generate
 *             a secret key.
 */
public final SecretKey generateSecret(KeySpec keySpec)
    throws InvalidKeySpecException {
  return spiImpl.engineGenerateSecret(keySpec);
}

  /**
   * Translates the specified secret key into an instance of the corresponding
   * key from the provider of this key factory.
   *
   * @param key
   *            the secret key to translate.
   * @return the corresponding translated key.
   * @throws InvalidKeyException
   *             if the specified key cannot be translated using this key
   *             factory.
   */
  public final SecretKey translateKey(SecretKey key)
      throws InvalidKeyException {
    return spiImpl.engineTranslateKey(key);

  }
}

/**
 * Returns the key specification of the specified secret key.
 *
 * @param key
 *            the secret key to get the specification from.
 * @param keySpec
 *            the target key specification class.
 * @return an instance of the specified key specification class.
 * @throws InvalidKeySpecException
 *             if the specified secret key cannot be transformed into the
 *             requested key specification.
 */
@SuppressWarnings("unchecked")
public final KeySpec getKeySpec(SecretKey key, Class keySpec)
    throws InvalidKeySpecException {
  return spiImpl.engineGetKeySpec(key, keySpec);
}

/**
 * Generate a secret key from the specified key specification.
 *
 * @param keySpec
 *            the key specification.
 * @return a secret key.
 * @throws InvalidKeySpecException
 *             if the specified key specification cannot be used to generate
 *             a secret key.
 */
public final SecretKey generateSecret(KeySpec keySpec)
    throws InvalidKeySpecException {
  return spiImpl.engineGenerateSecret(keySpec);
}

  /**
   * Translates the specified secret key into an instance of the corresponding
   * key from the provider of this key factory.
   *
   * @param key
   *            the secret key to translate.
   * @return the corresponding translated key.
   * @throws InvalidKeyException
   *             if the specified key cannot be translated using this key
   *             factory.
   */
  public final SecretKey translateKey(SecretKey key)
      throws InvalidKeyException {
    return spiImpl.engineTranslateKey(key);

  }
}