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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

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 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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 in the LICENSE file that

 * accompanied this code).

 *

 * 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.

 *

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 */

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 p}, {@code q}, and {@code g}

 * (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

 *

 *

 * @see java.security.Key

 * @see java.security.KeyFactory

 * @see EncodedKeySpec

 * @see X509EncodedKeySpec

 * @see PKCS8EncodedKeySpec

 * @see DSAPrivateKeySpec

 * @see DSAPublicKeySpec

 *

 * @since 1.2

 */

public interface KeySpec { }