001/**
002 * Copyright 2021 Emmanuel Bourg
003 * <p>
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 * <p>
008 * http://www.apache.org/licenses/LICENSE-2.0
009 * <p>
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package net.jsign.jca;
018
019import java.security.AccessController;
020import java.security.PrivilegedAction;
021import java.security.Provider;
022import java.util.Collections;
023
024import net.jsign.DigestAlgorithm;
025
026/**
027 * JCA Provider using a signing service.
028 *
029 * @since 4.0
030 */
031public class SigningServiceJcaProvider extends Provider {
032
033    private final SigningService service;
034
035    public SigningServiceJcaProvider(SigningService service) {
036        super(service.getName(), 1.0, service.getName() + " signing service provider");
037        this.service = service;
038
039        AccessController.doPrivileged((PrivilegedAction<Object>) () -> {
040            putService(new KeyStoreProviderService());
041            for (String alg : new String[]{"RSA", "ECDSA"}) {
042                for (DigestAlgorithm digest : DigestAlgorithm.values()) {
043                    if (digest != DigestAlgorithm.MD5) {
044                        putService(new SignatureProviderService(digest.name() + "with" + alg));
045                    }
046                }
047            }
048            return null;
049        });
050    }
051
052    private class KeyStoreProviderService extends Service {
053        public KeyStoreProviderService() {
054            super(SigningServiceJcaProvider.this, "KeyStore", service.getName().toUpperCase(), SigningServiceKeyStore.class.getName(), Collections.emptyList(), null);
055        }
056
057        @Override
058        public Object newInstance(Object constructorParameter) {
059            return new SigningServiceKeyStore(service);
060        }
061    }
062
063    private class SignatureProviderService extends Service {
064
065        private final String signingAlgorithm;
066
067        public SignatureProviderService(String signingAlgorithm) {
068            super(SigningServiceJcaProvider.this, "Signature", signingAlgorithm, SigningServiceSignature.class.getName(), Collections.emptyList(), Collections.emptyMap());
069            this.signingAlgorithm = signingAlgorithm;
070        }
071
072        @Override
073        public Object newInstance(Object constructorParameter) {
074            return new SigningServiceSignature(service, signingAlgorithm);
075        }
076    }
077}