/***************************************************************** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. ****************************************************************/ package org.apache.cayenne.crypto.transformer.bytes; /** * @since 4.0 */ public interface BytesEncryptor { /** * Transform input bytes using default encryption key. * * @param input * a buffer with unencrypted bytes. * @param outputOffset * how much empty space to leave in the beginning of the returned * output array. This would allow the caller to prepend extra * data to the encrypted array. * @param flags * a byte[1] that allows nested encryptors to manipulate header * flags. */ byte[] encrypt(byte[] input, int outputOffset, byte[] flags); }