org.bouncycastle.asn1.crmf.CertTemplateBuilder Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of bcutil-jdk18on Show documentation
The Bouncy Castle Java APIs for ASN.1 extension and utility APIs used to support bcpkix and bctls. This jar contains APIs for JDK 1.8 and up.
There is a newer version: 1.78.1
Show newest version
package org.bouncycastle.asn1.crmf;

import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Integer;
import org.bouncycastle.asn1.DERBitString;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.DERTaggedObject;
import org.bouncycastle.asn1.x500.X500Name;
import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
import org.bouncycastle.asn1.x509.Extensions;
import org.bouncycastle.asn1.x509.SubjectPublicKeyInfo;
import org.bouncycastle.asn1.x509.X509Extensions;

public class CertTemplateBuilder
{
    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;

    /** Sets the X.509 version. Note: for X509v3, use 2 here. */
    public CertTemplateBuilder setVersion(int ver)
    {
        version = new ASN1Integer(ver);

        return this;
    }

    public CertTemplateBuilder setSerialNumber(ASN1Integer ser)
    {
        serialNumber = ser;

        return this;
    }

    public CertTemplateBuilder setSigningAlg(AlgorithmIdentifier aid)
    {
        signingAlg = aid;

        return this;
    }

    public CertTemplateBuilder setIssuer(X500Name name)
    {
        issuer = name;

        return this;
    }

    public CertTemplateBuilder setValidity(OptionalValidity v)
    {
        validity = v;

        return this;
    }

    public CertTemplateBuilder setSubject(X500Name name)
    {
        subject = name;

        return this;
    }

    public CertTemplateBuilder setPublicKey(SubjectPublicKeyInfo spki)
    {
        publicKey = spki;

        return this;
    }

    /** Sets the issuer unique ID (deprecated in X.509v3) */
    public CertTemplateBuilder setIssuerUID(DERBitString uid)
    {
        issuerUID = uid;

        return this;
    }

    /** Sets the subject unique ID (deprecated in X.509v3) */
    public CertTemplateBuilder setSubjectUID(DERBitString uid)
    {
        subjectUID = uid;

        return this;
    }

    /**
     * @deprecated use method taking Extensions
     */
    public CertTemplateBuilder setExtensions(X509Extensions extens)
    {
        return setExtensions(Extensions.getInstance(extens));
    }

    public CertTemplateBuilder setExtensions(Extensions extens)
    {
        extensions = extens;

        return this;
    }

    /**
     *      *  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 }
     * 
     * @return a basic ASN.1 object representation.
     */
    public CertTemplate build()
    {
        ASN1EncodableVector v = new ASN1EncodableVector(10);

        addOptional(v, 0, false, version);
        addOptional(v, 1, false, serialNumber);
        addOptional(v, 2, false, signingAlg);
        addOptional(v, 3, true, issuer); // CHOICE
        addOptional(v, 4, false, validity);
        addOptional(v, 5, true, subject); // CHOICE
        addOptional(v, 6, false, publicKey);
        addOptional(v, 7, false, issuerUID);
        addOptional(v, 8, false, subjectUID);
        addOptional(v, 9, false, extensions);

        return CertTemplate.getInstance(new DERSequence(v));
    }

    private void addOptional(ASN1EncodableVector v, int tagNo, boolean isExplicit, ASN1Encodable obj)
    {
        if (obj != null)
        {
            v.add(new DERTaggedObject(isExplicit, tagNo, obj));
        }
    }
}