| /* RSAKeyGenParameterSpec.java --- RSA Key Generator Parameter Spec Class |
| Copyright (C) 1999 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., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 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 generates a set of RSA Key parameters used in the generation |
| of RSA keys. |
| |
| @since JDK 1.3 |
| |
| @author Mark Benvenuto |
| */ |
| public class RSAKeyGenParameterSpec implements AlgorithmParameterSpec |
| { |
| private int keysize; |
| private BigInteger publicExponent; |
| |
| /** |
| Public Exponent F0 = 3 |
| */ |
| public static final BigInteger F0 = new BigInteger("3"); |
| |
| /** |
| Public Exponent F4 = 3 |
| */ |
| public static final BigInteger F4 = new BigInteger("65537"); |
| |
| /** |
| Create a new RSAKeyGenParameterSpec to store the RSA key's keysize |
| and public exponent |
| |
| @param keysize Modulus size of key in bits |
| @param publicExponent - the exponent |
| */ |
| public RSAKeyGenParameterSpec(int keysize, BigInteger publicExponent) |
| { |
| this.keysize = keysize; |
| this.publicExponent = publicExponent; |
| } |
| |
| /** |
| Return the size of the key. |
| |
| @return the size of the key. |
| */ |
| public int getKeysize() |
| { |
| return keysize; |
| } |
| |
| /** |
| Return the public exponent. |
| |
| @return the public exponent. |
| */ |
| public BigInteger getPublicExponent() |
| { |
| return publicExponent; |
| } |
| } |