de.tsenger.animamea.asn1.CVCertBody.java Source code

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Here is the source code for de.tsenger.animamea.asn1.CVCertBody.java

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/**
 *  Copyright 2011, Tobias Senger
 *  
 *  This file is part of animamea.
 *
 *  Animamea is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  Animamea is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License   
 *  along with animamea.  If not, see <http://www.gnu.org/licenses/>.
 */
package de.tsenger.animamea.asn1;

import java.io.IOException;
import java.util.Date;

import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Integer;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.BERTags;
import org.bouncycastle.asn1.DERApplicationSpecific;
import org.bouncycastle.asn1.DERIA5String;
import org.bouncycastle.asn1.DEROctetString;

import de.tsenger.animamea.tools.Converter;

/**
 * @author Tobias Senger (tobias@t-senger.de)
 *
 */
public class CVCertBody extends ASN1Object {

    private DERApplicationSpecific cvcbody = null;

    private ASN1Integer profileIdentifier = null;
    private DERIA5String authorityReference = null;
    private AmPublicKey publicKey = null;
    private DERIA5String chr = null;
    private CertificateHolderAuthorizationTemplate chat = null;
    private DEROctetString effectiveDate = null;
    private DEROctetString expirationDate = null;
    private ASN1Sequence extensions = null;

    public CVCertBody(ASN1Sequence derSeq) {

    }

    public CVCertBody(DERApplicationSpecific derApp) throws IllegalArgumentException, IOException {
        if (derApp.getApplicationTag() != 0x4E)
            throw new IllegalArgumentException("contains no Certifcate Body with tag 0x7F4E");
        else
            cvcbody = derApp;

        ASN1Sequence bodySeq = (ASN1Sequence) cvcbody.getObject(BERTags.SEQUENCE);
        profileIdentifier = (ASN1Integer) ((DERApplicationSpecific) bodySeq.getObjectAt(0))
                .getObject(BERTags.INTEGER);
        authorityReference = (DERIA5String) ((DERApplicationSpecific) bodySeq.getObjectAt(1))
                .getObject(BERTags.IA5_STRING);

        ASN1Sequence pkSeq = (ASN1Sequence) ((DERApplicationSpecific) bodySeq.getObjectAt(2))
                .getObject(BERTags.SEQUENCE);
        ASN1ObjectIdentifier pkOid = (ASN1ObjectIdentifier) pkSeq.getObjectAt(0);
        if (pkOid.toString().startsWith("0.4.0.127.0.7.2.2.2.2")) {
            publicKey = new AmECPublicKey(pkSeq);
        } else if (pkOid.toString().startsWith("0.4.0.127.0.7.2.2.2.1")) {
            publicKey = new AmRSAPublicKey(pkSeq);
        }

        chr = (DERIA5String) ((DERApplicationSpecific) bodySeq.getObjectAt(3)).getObject(BERTags.IA5_STRING);

        ASN1Sequence chatSeq = (ASN1Sequence) ((DERApplicationSpecific) bodySeq.getObjectAt(4))
                .getObject(BERTags.SEQUENCE);
        chat = new CertificateHolderAuthorizationTemplate(chatSeq);

        effectiveDate = (DEROctetString) ((DERApplicationSpecific) bodySeq.getObjectAt(5))
                .getObject(BERTags.OCTET_STRING);

        expirationDate = (DEROctetString) ((DERApplicationSpecific) bodySeq.getObjectAt(6))
                .getObject(BERTags.OCTET_STRING);

        if (bodySeq.size() > 7) {
            extensions = (ASN1Sequence) ((DERApplicationSpecific) bodySeq.getObjectAt(7))
                    .getObject(BERTags.SEQUENCE);
        }
    }

    @Override
    public byte[] getEncoded(String encoding) throws IOException {
        return cvcbody.getEncoded(encoding);
    }

    public int getProfileIdentifier() {
        return profileIdentifier.getPositiveValue().intValue();
    }

    public String getCAR() {
        return authorityReference.getString();
    }

    public AmPublicKey getPublicKey() {
        return publicKey;
    }

    public String getCHR() {
        return chr.getString();
    }

    public CertificateHolderAuthorizationTemplate getCHAT() {
        return chat;
    }

    public Date getEffectiveDateDate() {
        return Converter.BCDtoDate(effectiveDate.getOctets());
    }

    public Date getExpirationDate() {
        return Converter.BCDtoDate(expirationDate.getOctets());
    }

    @Override
    public String toString() {
        return new String("Certificate Body\n" + "\tProfile Identifier: " + profileIdentifier + "\n"
                + "\tAuthority Reference: " + authorityReference.getString() + "\n" + "\tPublic Key: "
                + publicKey.getOID() + "\n" + "\tHolder Reference: " + chr.getString() + "\n" + "\tCHAT (Role): "
                + chat.getRole() + "\n" + "\teffective Date: " + getEffectiveDateDate() + "\n"
                + "\texpiration Date: " + getExpirationDate());
    }

    /**
     * CVCertBody contains:
     * - Certificate Profile Identifier
     * - Certificate Authority Reference
     * - Public Key
     * - Certificate Holder Reference
     * - Certificate Holder Authorization Template
     * - Certificate Effective Date
     * - Certificate Expiration Date
     * - Certificate Extensions (OPTIONAL)
     * 
     */
    @Override
    public ASN1Primitive toASN1Primitive() {
        ASN1EncodableVector v = new ASN1EncodableVector();
        try {
            v.add(new DERApplicationSpecific(0x29, profileIdentifier));
            v.add(new DERApplicationSpecific(0x02, authorityReference));
            v.add(publicKey);
            v.add(new DERApplicationSpecific(0x20, chr));
            v.add(chat);
            v.add(new DERApplicationSpecific(0x25, effectiveDate));
            v.add(new DERApplicationSpecific(0x24, expirationDate));
            if (extensions != null)
                v.add(new DERApplicationSpecific(0x05, extensions));
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        return new DERApplicationSpecific(0x4E, v);
    }

}