/*
* 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.dsa;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.NoSuchAlgorithmException;
import java.security.interfaces.DSAPrivateKey;
import java.security.interfaces.DSAPublicKey;
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 SshDssKeyPair extends SshKeyPair {
/**
*
*
* @param encoded
*
* @return
*
* @throws InvalidKeyException
*/
public SshPrivateKey decodePrivateKey(byte[] encoded)
throws InvalidKeyException {
return new SshDssPrivateKey(encoded);
}
/**
*
*
* @param encoded
*
* @return
*
* @throws InvalidKeyException
*/
public SshPublicKey decodePublicKey(byte[] encoded)
throws InvalidKeyException {
return new SshDssPublicKey(encoded);
}
/**
*
*
* @param bits
*/
public void generate(int bits) {
try {
// Initialize the generator
KeyPairGenerator keyGen = KeyPairGenerator.getInstance("DSA");
keyGen.initialize(bits, Utils.getRND());
KeyPair pair = keyGen.generateKeyPair();
// Get the keys
DSAPrivateKey prvKey = (DSAPrivateKey) pair.getPrivate();
DSAPublicKey pubKey = (DSAPublicKey) pair.getPublic();
// Set the private key (the public is automatically generated)
setPrivateKey(new SshDssPrivateKey(prvKey));
} catch (NoSuchAlgorithmException nsae) {
}
}
}