org.soulwing.credo.service.crypto.bc.BcPKCS8PrivateKeyDecoder.java Source code

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Here is the source code for org.soulwing.credo.service.crypto.bc.BcPKCS8PrivateKeyDecoder.java

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/*
 * File created on Mar 3, 2014 
 *
 * Copyright (c) 2014 Virginia Polytechnic Institute and State University
 *
 * 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.soulwing.credo.service.crypto.bc;

import java.io.IOException;

import javax.enterprise.context.ApplicationScoped;
import javax.inject.Inject;

import org.bouncycastle.pkcs.PKCS8EncryptedPrivateKeyInfo;
import org.soulwing.credo.service.crypto.Encoded;
import org.soulwing.credo.service.crypto.PrivateKeyDecoder;
import org.soulwing.credo.service.crypto.PrivateKeyWrapper;
import org.soulwing.credo.service.pem.PemObjectBuilderFactory;
import org.soulwing.credo.service.pem.PemObjectFactory;
import org.soulwing.credo.service.pem.PemObjectWrapper;

/**
 * A {@link PrivateKeyDecoder} that decodes a PEM-encoded PKCS8 encrypted
 * private key.
 *
 * @author Carl Harris
 */
@Encoded(type = Encoded.Type.PKCS8)
@ApplicationScoped
public class BcPKCS8PrivateKeyDecoder implements PrivateKeyDecoder {

    @Inject
    private PemObjectFactory objectFactory;

    @Inject
    private PemObjectBuilderFactory objectBuilderFactory;

    /**
     * {@inheritDoc}
     */
    @Override
    public PrivateKeyWrapper decode(String encoded) {
        PemObjectWrapper object = objectFactory.newPemObject(encoded);
        try {
            return new BcPrivateKeyWrapper(new PKCS8EncryptedPrivateKeyInfo(object.getContent()),
                    objectBuilderFactory);
        } catch (IOException ex) {
            throw new IllegalArgumentException("invalid PKCS8 private key", ex);
        }
    }

}