01: /*
02: * @(#)PSSParameterSpec.java 1.6 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: package java.security.spec;
28:
29: import java.math.BigInteger;
30:
31: /**
32: * This class specifies a parameter spec for RSA PSS encoding scheme,
33: * as defined in the PKCS#1 v2.1.
34: *
35: * @author Valerie Peng
36: *
37: * @version 1.6 06/10/10
38: *
39: * @see AlgorithmParameterSpec
40: * @see java.security.Signature
41: *
42: * @since 1.4
43: */
44:
45: public class PSSParameterSpec implements AlgorithmParameterSpec {
46:
47: private int saltLen = 0;
48:
49: /**
50: * Creates a new <code>PSSParameterSpec</code>
51: * given the salt length as defined in PKCS#1.
52: *
53: * @param saltLen the length of salt in bits to be used in PKCS#1
54: * PSS encoding.
55: * @exception IllegalArgumentException if <code>saltLen</code> is
56: * less than 0.
57: */
58: public PSSParameterSpec(int saltLen) {
59: if (saltLen < 0) {
60: throw new IllegalArgumentException("invalid saltLen value");
61: }
62: this .saltLen = saltLen;
63: }
64:
65: /**
66: * Returns the salt length in bits.
67: *
68: * @return the salt length.
69: */
70: public int getSaltLength() {
71: return saltLen;
72: }
73: }
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