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

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

Source

/**
 *  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 org.bouncycastle.asn1.ASN1EncodableVector;
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.DEROctetString;

public class CertificateHolderAuthorizationTemplate extends ASN1Object {

    private ASN1ObjectIdentifier terminalType = null;
    private DiscretionaryData auth = null;
    private byte role;

    /** Constructor for Encoding a CHAT
     * @param terminalType OID for the terminal type to use
     * @param disData
     */
    public CertificateHolderAuthorizationTemplate(ASN1ObjectIdentifier terminalType, DiscretionaryData disData) {
        this.terminalType = terminalType;
        this.auth = disData;
    }

    /** Constructor for Decoding CHAT from SEQUENCE
     * @param chatSeq
     * @throws IOException
     */
    public CertificateHolderAuthorizationTemplate(ASN1Sequence chatSeq) throws IOException {
        this.terminalType = (ASN1ObjectIdentifier) chatSeq.getObjectAt(0);

        DEROctetString oct = (DEROctetString) ((DERApplicationSpecific) chatSeq.getObjectAt(1))
                .getObject(BERTags.OCTET_STRING);
        this.auth = new DiscretionaryData(oct.getOctets());

    }

    public byte getRole() {
        this.role = (byte) (auth.getData()[0] & 0xc0);
        return role;
    }

    /* (non-Javadoc)
     * @see org.bouncycastle.asn1.ASN1Object#toASN1Primitive()
     */
    @Override
    public ASN1Primitive toASN1Primitive() {
        ASN1EncodableVector v = new ASN1EncodableVector();
        v.add(terminalType);
        v.add(auth);

        return new DERApplicationSpecific(0x4c, v);
    }

}