87 lines
2.3 KiB
Java
87 lines
2.3 KiB
Java
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/* RSAKeyGenParameterSpec.java --- RSA Key Generator Parameter Spec Class
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Copyright (C) 1999 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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As a special exception, if you link this library with other files to
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produce an executable, this library does not by itself cause the
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resulting executable to be covered by the GNU General Public License.
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This exception does not however invalidate any other reasons why the
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executable file might be covered by the GNU General Public License. */
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package java.security.spec;
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import java.math.BigInteger;
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/**
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This class generates a set of RSA Key parameters used in the generation
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of RSA keys.
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@since JDK 1.3
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@author Mark Benvenuto
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*/
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public class RSAKeyGenParameterSpec implements AlgorithmParameterSpec
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{
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private int keysize;
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private BigInteger publicExponent;
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/**
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Public Exponent F0 = 3
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*/
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public static final BigInteger F0 = new BigInteger("3");
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/**
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Public Exponent F4 = 3
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*/
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public static final BigInteger F4 = new BigInteger("65537");
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/**
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Create a new RSAKeyGenParameterSpec to store the RSA key's keysize
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and public exponent
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@param keysize Modulus size of key in bits
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@param publicExponent - the exponent
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*/
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public RSAKeyGenParameterSpec(int keysize, BigInteger publicExponent)
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{
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this.keysize = keysize;
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this.publicExponent = publicExponent;
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}
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/**
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Return the size of the key.
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@return the size of the key.
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*/
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public int getKeysize()
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{
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return keysize;
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}
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/**
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Return the public exponent.
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@return the public exponent.
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*/
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public BigInteger getPublicExponent()
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{
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return publicExponent;
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}
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}
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