/* * Copyright 2017 Brian Pellin, Jeremy Jamet / Kunzisoft. * * This file is part of KeePassDroid. * * KeePassDroid is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 2 of the License, or * (at your option) any later version. * * KeePassDroid is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with KeePassDroid. If not, see . * */ package com.keepassdroid.crypto.engine; import java.security.InvalidAlgorithmParameterException; import java.security.InvalidKeyException; import java.security.NoSuchAlgorithmException; import javax.crypto.Cipher; import javax.crypto.NoSuchPaddingException; public abstract class CipherEngine { public int keyLength() { return 32; } public int ivLength() { return 16; } public abstract Cipher getCipher(int opmode, byte[] key, byte[] IV, boolean androidOverride) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, InvalidAlgorithmParameterException; public Cipher getCipher(int opmode, byte[] key, byte[] IV) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, InvalidAlgorithmParameterException { return getCipher(opmode, key, IV, false); } }