| /* RSAOtherPrimeInfo.java -- |
| Copyright (C) 2003, Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| package java.security.spec; |
| |
| import java.math.BigInteger; |
| |
| /** |
| * This class represents the triplet (prime, exponent, and coefficient) inside |
| * RSA's OtherPrimeInfo structure, as defined in the PKCS#1 v2.1. The ASN.1 |
| * syntax of RSA's OtherPrimeInfo is as follows: |
| * |
| * <pre> |
| * OtherPrimeInfo ::= SEQUENCE { |
| * prime INTEGER, |
| * exponent INTEGER, |
| * coefficient INTEGER |
| * } |
| * </pre> |
| * |
| * @since 1.4 |
| * @see RSAPrivateCrtKeySpec |
| * @see java.security.interfaces.RSAMultiPrimePrivateCrtKey |
| */ |
| public class RSAOtherPrimeInfo |
| { |
| // Constants and fields |
| // -------------------------------------------------------------------------- |
| |
| private BigInteger prime; |
| private BigInteger primeExponent; |
| private BigInteger crtCoefficient; |
| |
| // Constructor(s) |
| // -------------------------------------------------------------------------- |
| |
| /** |
| * Creates a new <code>RSAOtherPrimeInfo</code> given the prime, |
| * primeExponent, and crtCoefficient as defined in PKCS#1. |
| * |
| * @param prime the prime factor of n. |
| * @param primeExponent the exponent. |
| * @param crtCoefficient the Chinese Remainder Theorem coefficient. |
| * @throws NullPointerException if any of the parameters, i.e. prime, |
| * primeExponent, crtCoefficient, is <code>null</code>. |
| */ |
| public RSAOtherPrimeInfo(BigInteger prime, BigInteger primeExponent, |
| BigInteger crtCoefficient) |
| { |
| super(); |
| |
| if (prime == null) |
| throw new NullPointerException("prime"); |
| if (primeExponent == null) |
| throw new NullPointerException("primeExponent"); |
| if (crtCoefficient == null) |
| throw new NullPointerException("crtCoefficient"); |
| |
| this.prime = prime; |
| this.primeExponent = primeExponent; |
| this.crtCoefficient = crtCoefficient; |
| } |
| |
| // Class methods |
| // -------------------------------------------------------------------------- |
| |
| // Instance methods |
| // -------------------------------------------------------------------------- |
| |
| /** |
| * Returns the prime. |
| * |
| * @return the prime. |
| */ |
| public final BigInteger getPrime() |
| { |
| return this.prime; |
| } |
| |
| /** |
| * Returns the prime's exponent. |
| * |
| * @return the primeExponent. |
| */ |
| public final BigInteger getExponent() |
| { |
| return this.primeExponent; |
| } |
| |
| /** |
| * Returns the prime's crtCoefficient. |
| * |
| * @return the crtCoefficient. |
| */ |
| public final BigInteger getCrtCoefficient() |
| { |
| return this.crtCoefficient; |
| } |
| } |