1/* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18package java.security.spec; 19 20/** 21 * The abstract key specification for a public or a private key in encoded 22 * format. 23 */ 24public abstract class EncodedKeySpec implements KeySpec { 25 // Encoded key 26 private final byte[] encodedKey; 27 28 /** 29 * Creates a new {@code EncodedKeySpec} with the specified encoded key bytes. 30 * 31 * @param encodedKey 32 * the encoded key bytes. 33 */ 34 public EncodedKeySpec(byte[] encodedKey) { 35 // Defensively copies parameter 36 // to prevent subsequent modification 37 this.encodedKey = new byte[encodedKey.length]; 38 System.arraycopy(encodedKey, 0, 39 this.encodedKey, 0, this.encodedKey.length); 40 } 41 42 /** 43 * Returns the encoded key bytes. 44 * 45 * @return the encoded key bytes. 46 */ 47 public byte[] getEncoded() { 48 // Defensively copies private array 49 // to prevent subsequent modification 50 byte[] ret = new byte[encodedKey.length]; 51 System.arraycopy(encodedKey, 0, ret, 0, ret.length); 52 return ret; 53 } 54 55 /** 56 * Returns the name of the encoding format of this encoded key 57 * specification. 58 * 59 * @return the name of the encoding format of this encoded key 60 * specification. 61 */ 62 public abstract String getFormat(); 63} 64