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

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Here is the source code for de.tsenger.animamea.asn1.SubjectPublicKeyInfo.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 org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.DERBitString;
import org.bouncycastle.asn1.x509.AlgorithmIdentifier;

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

    private AlgorithmIdentifier algorithm = null;
    private DERBitString subjectPublicKey = null;

    /**
     * @param seq
     */
    public SubjectPublicKeyInfo(ASN1Sequence seq) {
        algorithm = AlgorithmIdentifier.getInstance(seq.getObjectAt(0));
        subjectPublicKey = DERBitString.getInstance((seq.getObjectAt(1)));
    }

    public AlgorithmIdentifier getAlgorithm() {
        return algorithm;
    }

    public byte[] getPublicKey() {
        return subjectPublicKey.getBytes();
    }

    /** 
     * The SubjectPublicKeyInfo object.
     * <pre>
     * SubjectPublicKeyInfo ::= SEQUENCE {
     *   algorithm         AlgorithmIdentifier,
     *   subjectPublicKey   BIT STRING
     * }
     * </pre>
     * 
     */
    @Override
    public ASN1Primitive toASN1Primitive() {
        ASN1EncodableVector vec = new ASN1EncodableVector();
        vec.add(algorithm);
        vec.add(subjectPublicKey);
        return ASN1Sequence.getInstance(vec);
    }

}