Package com.adito.security.pki.rsa

Source Code of com.adito.security.pki.rsa.SshRsaKeyPair

        /*
*  Adito
*
*  Copyright (C) 2003-2006 3SP LTD. All Rights Reserved
*
*  This program 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 of
*  the License, or (at your option) any later version.
*  This program 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 this program; if not, write to the Free Software
*  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
     
package com.adito.security.pki.rsa;


import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.NoSuchAlgorithmException;
import java.security.interfaces.RSAPrivateKey;
import java.security.interfaces.RSAPublicKey;

import com.adito.security.pki.InvalidKeyException;
import com.adito.security.pki.SshKeyPair;
import com.adito.security.pki.SshPrivateKey;
import com.adito.security.pki.SshPublicKey;
import com.adito.security.pki.Utils;


/**
*
*
* @author $author$
*/
public class SshRsaKeyPair extends SshKeyPair {
    private RSAPrivateKey prvKey;
    private RSAPublicKey pubKey;

    /**
     * Creates a new SshRsaKeyPair object.
     */
    public SshRsaKeyPair() {
    }

    /**
     *
     *
     * @param encoded
     *
     * @return
     *
     * @throws InvalidKeyException
     */
    public SshPrivateKey decodePrivateKey(byte[] encoded)
        throws InvalidKeyException {
        return new SshRsaPrivateKey(encoded);
    }

    /**
     *
     *
     * @param encoded
     *
     * @return
     *
     * @throws InvalidKeyException
     */
    public SshPublicKey decodePublicKey(byte[] encoded)
        throws InvalidKeyException {
        return new SshRsaPublicKey(encoded);
    }

    /**
     *
     *
     * @param bits
     */
    public void generate(int bits) {
        try {
            // Initialize the generator
            KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA");
            keyGen.initialize(bits, Utils.getRND());

            KeyPair pair = keyGen.generateKeyPair();

            // Get the keys and set
            setPrivateKey(new SshRsaPrivateKey(
                    (RSAPrivateKey) pair.getPrivate(),
                    (RSAPublicKey) pair.getPublic()));
        } catch (NoSuchAlgorithmException nsae) {
            prvKey = null;
            pubKey = null;
        }
    }
}
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