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/*

* Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.

* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.

*

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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 { }