1 /* RSAOtherPrimeInfo.java --
2 Copyright (C) 2003, Free Software Foundation, Inc.
4 This file is part of GNU Classpath.
6 GNU Classpath is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU Classpath 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 for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Classpath; see the file COPYING. If not, write to the
18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
21 Linking this library statically or dynamically with other modules is
22 making a combined work based on this library. Thus, the terms and
23 conditions of the GNU General Public License cover the whole
26 As a special exception, the copyright holders of this library give you
27 permission to link this library with independent modules to produce an
28 executable, regardless of the license terms of these independent
29 modules, and to copy and distribute the resulting executable under
30 terms of your choice, provided that you also meet, for each linked
31 independent module, the terms and conditions of the license of that
32 module. An independent module is a module which is not derived from
33 or based on this library. If you modify this library, you may extend
34 this exception to your version of the library, but you are not
35 obligated to do so. If you do not wish to do so, delete this
36 exception statement from your version. */
38 package java
.security
.spec
;
40 import java
.math
.BigInteger
;
43 * An in-memory representation of the RSA triplet (prime, exponent, and
44 * coefficient) inside a PKCS#1 v2.1 <i>OtherPrimeInfo</i> structure.
47 * @see RSAPrivateCrtKeySpec
48 * @see java.security.interfaces.RSAMultiPrimePrivateCrtKey
50 public class RSAOtherPrimeInfo
52 // Constants and fields
53 // --------------------------------------------------------------------------
55 private BigInteger prime
;
56 private BigInteger primeExponent
;
57 private BigInteger crtCoefficient
;
60 // --------------------------------------------------------------------------
63 * Constructs a new <code>RSAOtherPrimeInfo</code> given the PKCS#1 MPIs.
66 * the prime factor of n.
67 * @param primeExponent
69 * @param crtCoefficient
70 * the Chinese Remainder Theorem coefficient.
71 * @throws NullPointerException
72 * if any of the parameters is <code>null</code>.
74 public RSAOtherPrimeInfo(BigInteger prime
, BigInteger primeExponent
,
75 BigInteger crtCoefficient
)
80 throw new NullPointerException("prime");
81 if (primeExponent
== null)
82 throw new NullPointerException("primeExponent");
83 if (crtCoefficient
== null)
84 throw new NullPointerException("crtCoefficient");
87 this.primeExponent
= primeExponent
;
88 this.crtCoefficient
= crtCoefficient
;
92 // --------------------------------------------------------------------------
95 // --------------------------------------------------------------------------
102 public final BigInteger
getPrime()
108 * Returns the prime's exponent.
110 * @return the primeExponent.
112 public final BigInteger
getExponent()
114 return this.primeExponent
;
118 * Returns the CRT Coefficient.
120 * @return the CRT Coefficient.
122 public final BigInteger
getCrtCoefficient()
124 return this.crtCoefficient
;