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* Copyright (c) 2001 by Punch Telematix. All rights reserved. *
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* derived from this software without specific prior written permission.*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED *
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package java.security;
import java.security.spec.KeySpec;
import java.security.spec.InvalidKeySpecException;
/**
*
* @version $Id: KeyFactory.java,v 1.3 2006/04/18 11:35:28 cvs Exp $
*
*/
public class KeyFactory {
public static KeyFactory getInstance(String algorithm) throws NoSuchAlgorithmException {
SecurityAction action = new SecurityAction(algorithm, "KeyFactory.");
return new KeyFactory((KeyFactorySpi) action.spi, action.provider, algorithm);
}
public static KeyFactory getInstance(String algorithm, String provider)
throws NoSuchAlgorithmException, NoSuchProviderException {
SecurityAction action = new SecurityAction(algorithm, provider,"KeyFactory.");
return new KeyFactory((KeyFactorySpi) action.spi, action.provider, algorithm);
}
public static KeyFactory getInstance(String algorithm, Provider provider)
throws NoSuchAlgorithmException {
SecurityAction action = new SecurityAction(algorithm, provider,"KeyFactory.");
return new KeyFactory((KeyFactorySpi) action.spi, provider, algorithm);
}
private KeyFactorySpi keyFacSpi;
private Provider provider;
private String algorithm;
protected KeyFactory(KeyFactorySpi keyFacSpi, Provider provider, String algorithm){
this.keyFacSpi = keyFacSpi;
this.provider = provider;
this.algorithm = algorithm;
}
public final PrivateKey generatePrivate(KeySpec keySpec) throws InvalidKeySpecException {
return keyFacSpi.engineGeneratePrivate(keySpec);
}
public final PublicKey generatePublic(KeySpec keySpec) throws InvalidKeySpecException {
return keyFacSpi.engineGeneratePublic(keySpec);
}
public final String getAlgorithm(){
return algorithm;
}
public final KeySpec getKeySpec(Key key, Class keySpec) throws InvalidKeySpecException {
return keyFacSpi.engineGetKeySpec(key, keySpec);
}
public final Provider getProvider(){
return provider;
}
public final Key translateKey(Key key) throws InvalidKeyException {
return keyFacSpi.engineTranslateKey(key);
}
}