org.bouncycastle.asn1.ess.ESSCertID.java Source code

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Here is the source code for org.bouncycastle.asn1.ess.ESSCertID.java

Source

package org.bouncycastle.asn1.ess;

import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1OctetString;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.DEROctetString;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.x509.IssuerSerial;

public class ESSCertID extends ASN1Object {
    private ASN1OctetString certHash;

    private IssuerSerial issuerSerial;

    public static ESSCertID getInstance(Object o) {
        if (o instanceof ESSCertID) {
            return (ESSCertID) o;
        } else if (o != null) {
            return new ESSCertID(ASN1Sequence.getInstance(o));
        }

        return null;
    }

    /**
     * constructor
     */
    private ESSCertID(ASN1Sequence seq) {
        if (seq.size() < 1 || seq.size() > 2) {
            throw new IllegalArgumentException("Bad sequence size: " + seq.size());
        }

        certHash = ASN1OctetString.getInstance(seq.getObjectAt(0));

        if (seq.size() > 1) {
            issuerSerial = IssuerSerial.getInstance(seq.getObjectAt(1));
        }
    }

    public ESSCertID(byte[] hash) {
        certHash = new DEROctetString(hash);
    }

    public ESSCertID(byte[] hash, IssuerSerial issuerSerial) {
        this.certHash = new DEROctetString(hash);
        this.issuerSerial = issuerSerial;
    }

    public byte[] getCertHash() {
        return certHash.getOctets();
    }

    public IssuerSerial getIssuerSerial() {
        return issuerSerial;
    }

    /**
     * <pre>
     * ESSCertID ::= SEQUENCE {
     *     certHash Hash, 
     *     issuerSerial IssuerSerial OPTIONAL }
     * </pre>
     */
    public ASN1Primitive toASN1Primitive() {
        ASN1EncodableVector v = new ASN1EncodableVector(2);

        v.add(certHash);

        if (issuerSerial != null) {
            v.add(issuerSerial);
        }

        return new DERSequence(v);
    }
}