001/*
002 * Copyright 2021 Emmanuel Bourg
003 *
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 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
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;
022
023import net.jsign.DigestAlgorithm;
024
025/**
026 * JCA Provider using a signing service.
027 *
028 * <p>Example:</p>
029 * <pre>
030 * Provider provider = new SigningServiceJcaProvider(new AzureKeyVaultSigningService(vault, token));
031 * KeyStore keystore = KeyStore.getInstance("AZUREKEYVAULT", provider);
032 * </pre>
033 *
034 * @since 4.0
035 */
036public class SigningServiceJcaProvider extends Provider {
037
038    public SigningServiceJcaProvider(SigningService service) {
039        super(service.getName(), 1.0, service.getName() + " signing service provider");
040
041        AccessController.doPrivileged((PrivilegedAction<Object>) () -> {
042            putService(new ProviderService(this, "KeyStore", service.getName().toUpperCase(), SigningServiceKeyStore.class.getName(), () -> new SigningServiceKeyStore(service)));
043
044            for (String alg : new String[]{"RSA", "ECDSA"}) {
045                for (DigestAlgorithm digest : DigestAlgorithm.values()) {
046                    if (digest != DigestAlgorithm.MD5) {
047                        String algorithm = digest.name() + "with" + alg;
048                        putService(new ProviderService(this, "Signature", algorithm, SigningServiceSignature.class.getName(), () -> new SigningServiceSignature(algorithm)));
049                    }
050                }
051            }
052            return null;
053        });
054    }
055}