01: /*
02: *
03: *
04: * Copyright 1990-2007 Sun Microsystems, Inc. All Rights Reserved.
05: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
06: *
07: * This program is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU General Public License version
09: * 2 only, as published by the Free Software Foundation.
10: *
11: * This program is distributed in the hope that it will be useful, but
12: * WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * General Public License version 2 for more details (a copy is
15: * included at /legal/license.txt).
16: *
17: * You should have received a copy of the GNU General Public License
18: * version 2 along with this work; if not, write to the Free Software
19: * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA
21: *
22: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
23: * Clara, CA 95054 or visit www.sun.com if you need additional
24: * information or have any questions.
25: */
26:
27: package java.security.spec;
28:
29: /**
30: * A (transparent) specification of the key material
31: * that constitutes a cryptographic key.
32: *
33: * <p>If the key is stored on a hardware device, its
34: * specification may contain information that helps identify the key on the
35: * device.
36: *
37: * <P> A key may be specified in an algorithm-specific way, or in an
38: * algorithm-independent encoding format (such as ASN.1).
39: *
40: * <P> This interface contains no methods or constants. Its only purpose
41: * is to group (and provide type safety for) all key specifications.
42: * All key specifications must implement this interface.
43: *
44: *
45: * @version 1.16, 01/23/03
46: *
47: * @see java.security.Key
48: * @see java.security.KeyFactory
49: * @see EncodedKeySpec
50: * @see X509EncodedKeySpec
51: *
52: * @since 1.2
53: */
54:
55: public interface KeySpec {
56: }
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