public Key getPrivateKey(String alias, String password) throws UnrecoverableKeyException, KeyStoreException, NoSuchAlgorithmException {
		return this.keystore.getKey(alias, password.toCharArray());
	}
public Key getPrivateKey ( String alias , String password ) throws UnrecoverableKeyException , KeyStoreException , NoSuchAlgorithmException { return this . keystore . getKey ( alias , password . toCharArray ( ) ) ; }
Reads a private key from  keystore

@param alias
@param password
@return
@throws UnrecoverableKeyException
@throws KeyStoreException
@throws NoSuchAlgorithmException