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| 1 | /* | ||
| 2 | * Copyright (c) 1997, 2005, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package java.security.spec; | ||
| 27 | |||
| 28 | /** | ||
| 29 | * This class represents a public or private key in encoded format. | ||
| 30 | * | ||
| 31 | * @author Jan Luehe | ||
| 32 | * | ||
| 33 | * | ||
| 34 | * @see java.security.Key | ||
| 35 | * @see java.security.KeyFactory | ||
| 36 | * @see KeySpec | ||
| 37 | * @see X509EncodedKeySpec | ||
| 38 | * @see PKCS8EncodedKeySpec | ||
| 39 | * | ||
| 40 | * @since 1.2 | ||
| 41 | */ | ||
| 42 | |||
| 43 | public abstract class EncodedKeySpec implements KeySpec { | ||
| 44 | |||
| 45 | private byte[] encodedKey; | ||
| 46 | |||
| 47 | /** | ||
| 48 | * Creates a new EncodedKeySpec with the given encoded key. | ||
| 49 | * | ||
| 50 | * @param encodedKey the encoded key. The contents of the | ||
| 51 | * array are copied to protect against subsequent modification. | ||
| 52 | * @exception NullPointerException if <code>encodedKey</code> | ||
| 53 | * is null. | ||
| 54 | */ | ||
| 55 | public EncodedKeySpec(byte[] encodedKey) { | ||
| 56 | this.encodedKey = encodedKey.clone(); | ||
| 57 | } | ||
| 58 | |||
| 59 | /** | ||
| 60 | * Returns the encoded key. | ||
| 61 | * | ||
| 62 | * @return the encoded key. Returns a new array each time | ||
| 63 | * this method is called. | ||
| 64 | */ | ||
| 65 | public byte[] getEncoded() { | ||
| 66 | return this.encodedKey.clone(); | ||
| 67 | } | ||
| 68 | |||
| 69 | /** | ||
| 70 | * Returns the name of the encoding format associated with this | ||
| 71 | * key specification. | ||
| 72 | * | ||
| 73 | * <p>If the opaque representation of a key | ||
| 74 | * (see {@link java.security.Key Key}) can be transformed | ||
| 75 | * (see {@link java.security.KeyFactory KeyFactory}) | ||
| 76 | * into this key specification (or a subclass of it), | ||
| 77 | * <code>getFormat</code> called | ||
| 78 | * on the opaque key returns the same value as the | ||
| 79 | * <code>getFormat</code> method | ||
| 80 | * of this key specification. | ||
| 81 | * | ||
| 82 | * @return a string representation of the encoding format. | ||
| 83 | */ | ||
| 84 | public abstract String getFormat(); | ||
| 85 | } | ||