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| 1 | /* | ||
| 2 | * Copyright (c) 1997, 2007, 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 javax.crypto; | ||
| 27 | |||
| 28 | /** | ||
| 29 | * A secret (symmetric) key. | ||
| 30 | * | ||
| 31 | * <p>This interface contains no methods or constants. | ||
| 32 | * Its only purpose is to group (and provide type safety for) secret keys. | ||
| 33 | * | ||
| 34 | * <p>Provider implementations of this interface must overwrite the | ||
| 35 | * <code>equals</code> and <code>hashCode</code> methods inherited from | ||
| 36 | * <code>java.lang.Object</code>, so that secret keys are compared based on | ||
| 37 | * their underlying key material and not based on reference. | ||
| 38 | * | ||
| 39 | * <p>Keys that implement this interface return the string <code>RAW</code> | ||
| 40 | * as their encoding format (see <code>getFormat</code>), and return the | ||
| 41 | * raw key bytes as the result of a <code>getEncoded</code> method call. (The | ||
| 42 | * <code>getFormat</code> and <code>getEncoded</code> methods are inherited | ||
| 43 | * from the <code>java.security.Key</code> parent interface.) | ||
| 44 | * | ||
| 45 | * @author Jan Luehe | ||
| 46 | * | ||
| 47 | * @see SecretKeyFactory | ||
| 48 | * @see Cipher | ||
| 49 | * @since 1.4 | ||
| 50 | */ | ||
| 51 | |||
| 52 | public interface SecretKey extends java.security.Key { | ||
| 53 | /** | ||
| 54 | * The class fingerprint that is set to indicate serialization | ||
| 55 | * compatibility since J2SE 1.4. | ||
| 56 | */ | ||
| 57 | static final long serialVersionUID = -4795878709595146952L; | ||
| 58 | } | ||