01: /*
02: * @(#)DSAParams.java 1.23 06/10/10
03: *
04: * Copyright 1990-2006 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:
28: package java.security.interfaces;
29:
30: import java.math.BigInteger;
31:
32: /**
33: * Interface to a DSA-specific set of key parameters, which defines a
34: * DSA <em>key family</em>. DSA (Digital Signature Algorithm) is defined
35: * in NIST's FIPS-186.
36: *
37: * @see DSAKey
38: * @see java.security.Key
39: * @see java.security.Signature
40: *
41: * @version 1.17 00/02/02
42: * @author Benjamin Renaud
43: * @author Josh Bloch
44: */
45: public interface DSAParams {
46:
47: /**
48: * Returns the prime, <code>p</code>.
49: *
50: * @return the prime, <code>p</code>.
51: */
52: public BigInteger getP();
53:
54: /**
55: * Returns the subprime, <code>q</code>.
56: *
57: * @return the subprime, <code>q</code>.
58: */
59: public BigInteger getQ();
60:
61: /**
62: * Returns the base, <code>g</code>.
63: *
64: * @return the base, <code>g</code>.
65: */
66: public BigInteger getG();
67: }
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