ElytronPEMUtilsProvider.java
/*
* Copyright 2017 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.keycloak.crypto.elytron;
import java.security.Key;
import java.security.PrivateKey;
import java.security.cert.Certificate;
import java.security.cert.CertificateEncodingException;
import java.util.Base64;
import org.jboss.logging.Logger;
import org.keycloak.common.crypto.PemUtilsProvider;
import org.keycloak.common.util.DerUtils;
import org.keycloak.common.util.PemException;
/**
* @author <a href="mailto:david.anderson@redhat.com">David Anderson</a>
*/
public class ElytronPEMUtilsProvider extends PemUtilsProvider {
Logger log = Logger.getLogger(ElytronPEMUtilsProvider.class);
@Override
protected String encode(Object obj) {
String encoded = null;
if(obj instanceof Key ) {
byte[] b = ((Key)obj).getEncoded();
encoded = Base64.getEncoder().encodeToString(b);
} else if(obj instanceof Certificate) {
byte[] c;
try {
c = ((Certificate)obj).getEncoded();
encoded = Base64.getEncoder().encodeToString(c);
} catch (CertificateEncodingException e) {
log.warn("Failed to encoded certificate.", e);
throw new RuntimeException(e);
}
}
return encoded;
}
@Override
public PrivateKey decodePrivateKey(String pem) {
if (pem == null) {
return null;
}
try {
byte[] der = pemToDer(pem);
return DerUtils.decodePrivateKey(der);
} catch (Exception e) {
throw new PemException(e);
}
}
}