org.bouncycastle.asn1.crmf.CertTemplate.java Source code

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Here is the source code for org.bouncycastle.asn1.crmf.CertTemplate.java

Source

package org.bouncycastle.asn1.crmf;

import java.util.Enumeration;

import org.bouncycastle.asn1.ASN1Integer;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DERBitString;
import org.bouncycastle.asn1.x500.X500Name;
import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
import org.bouncycastle.asn1.x509.Extensions;
import org.bouncycastle.asn1.x509.SubjectPublicKeyInfo;

public class CertTemplate extends ASN1Object {
    private ASN1Sequence seq;

    private ASN1Integer version;
    private ASN1Integer serialNumber;
    private AlgorithmIdentifier signingAlg;
    private X500Name issuer;
    private OptionalValidity validity;
    private X500Name subject;
    private SubjectPublicKeyInfo publicKey;
    private DERBitString issuerUID;
    private DERBitString subjectUID;
    private Extensions extensions;

    private CertTemplate(ASN1Sequence seq) {
        this.seq = seq;

        Enumeration en = seq.getObjects();
        while (en.hasMoreElements()) {
            ASN1TaggedObject tObj = (ASN1TaggedObject) en.nextElement();

            switch (tObj.getTagNo()) {
            case 0:
                version = ASN1Integer.getInstance(tObj, false);
                break;
            case 1:
                serialNumber = ASN1Integer.getInstance(tObj, false);
                break;
            case 2:
                signingAlg = AlgorithmIdentifier.getInstance(tObj, false);
                break;
            case 3:
                issuer = X500Name.getInstance(tObj, true); // CHOICE
                break;
            case 4:
                validity = OptionalValidity.getInstance(ASN1Sequence.getInstance(tObj, false));
                break;
            case 5:
                subject = X500Name.getInstance(tObj, true); // CHOICE
                break;
            case 6:
                publicKey = SubjectPublicKeyInfo.getInstance(tObj, false);
                break;
            case 7:
                issuerUID = DERBitString.getInstance(tObj, false);
                break;
            case 8:
                subjectUID = DERBitString.getInstance(tObj, false);
                break;
            case 9:
                extensions = Extensions.getInstance(tObj, false);
                break;
            default:
                throw new IllegalArgumentException("unknown tag: " + tObj.getTagNo());
            }
        }
    }

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

        return null;
    }

    /**
     * Return Version - -1 if not set.
     *
     * @return Version value.
     */
    public int getVersion() {
        if (version != null) {
            return version.intValueExact();
        }

        return -1;
    }

    public ASN1Integer getSerialNumber() {
        return serialNumber;
    }

    public AlgorithmIdentifier getSigningAlg() {
        return signingAlg;
    }

    public X500Name getIssuer() {
        return issuer;
    }

    public OptionalValidity getValidity() {
        return validity;
    }

    public X500Name getSubject() {
        return subject;
    }

    public SubjectPublicKeyInfo getPublicKey() {
        return publicKey;
    }

    public DERBitString getIssuerUID() {
        return issuerUID;
    }

    public DERBitString getSubjectUID() {
        return subjectUID;
    }

    public Extensions getExtensions() {
        return extensions;
    }

    /**
     * <pre>
     *  CertTemplate ::= SEQUENCE {
     *      version      [0] Version               OPTIONAL,
     *      serialNumber [1] INTEGER               OPTIONAL,
     *      signingAlg   [2] AlgorithmIdentifier   OPTIONAL,
     *      issuer       [3] Name                  OPTIONAL,
     *      validity     [4] OptionalValidity      OPTIONAL,
     *      subject      [5] Name                  OPTIONAL,
     *      publicKey    [6] SubjectPublicKeyInfo  OPTIONAL,
     *      issuerUID    [7] UniqueIdentifier      OPTIONAL,
     *      subjectUID   [8] UniqueIdentifier      OPTIONAL,
     *      extensions   [9] Extensions            OPTIONAL }
     * </pre>
     * @return a basic ASN.1 object representation.
     */
    public ASN1Primitive toASN1Primitive() {
        return seq;
    }
}