code: public String getPassword(String alias, String passwordPassword) throws NoSuchAlgorithmException, UnrecoverableEntryException, KeyStoreException, InvalidKeySpecException {
  		SecretKey sk =  (SecretKey) this.keystore.getKey(alias,passwordPassword.toCharArray());
  		return new String(sk.getEncoded());
  	}
docs: *
  Retrieves a password from the currently opened keystore
  
  @param alias
  @param passwordPassword
  @return
  @throws NoSuchAlgorithmException
  @throws UnrecoverableEntryException
  @throws KeyStoreException
  @throws InvalidKeySpecException