/* * @(#)KeySpec.java 1.20 06/10/10 * * Copyright 1990-2008 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License version * 2 only, as published by the Free Software Foundation. * * This program 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 version 2 for more details (a copy is * included at /legal/license.txt). * * You should have received a copy of the GNU General Public License * version 2 along with this work; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa * Clara, CA 95054 or visit www.sun.com if you need additional * information or have any questions. * */ package java.security.spec; /** * A (transparent) specification of the key material * that constitutes a cryptographic key. * * <p>If the key is stored on a hardware device, its * specification may contain information that helps identify the key on the * device. * * <P> A key may be specified in an algorithm-specific way, or in an * algorithm-independent encoding format (such as ASN.1). * For example, a DSA private key may be specified by its components * <code>x</code>, <code>p</code>, <code>q</code>, and <code>g</code> * (see {@link DSAPrivateKeySpec}), or it may be * specified using its DER encoding * (see {@link PKCS8EncodedKeySpec}). * * <P> This interface contains no methods or constants. Its only purpose * is to group (and provide type safety for) all key specifications. * All key specifications must implement this interface. * * @author Jan Luehe * * @version 1.14, 02/02/00 * * @see java.security.Key * @see java.security.KeyFactory * @see EncodedKeySpec * @see X509EncodedKeySpec * @see PKCS8EncodedKeySpec * @see DSAPrivateKeySpec * @see DSAPublicKeySpec * * @since 1.2 */ public interface KeySpec { }