org.bouncycastle.asn1.cms.OriginatorInfo Maven / Gradle / Ivy

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package org.bouncycastle.asn1.cms;

import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1Set;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.DERTaggedObject;

/**
 * RFC 5652: OriginatorInfo object.
 *  * RFC 3369:
 *
 * OriginatorInfo ::= SEQUENCE {
 *     certs [0] IMPLICIT CertificateSet OPTIONAL,
 *     crls  [1] IMPLICIT CertificateRevocationLists OPTIONAL 
 * }
 * CertificateRevocationLists ::= SET OF CertificateList (from X.509)
 *
 * RFC 3582 / 5652:
 *
 * OriginatorInfo ::= SEQUENCE {
 *     certs [0] IMPLICIT CertificateSet OPTIONAL,
 *     crls  [1] IMPLICIT RevocationInfoChoices OPTIONAL
 * }
 * RevocationInfoChoices ::= SET OF RevocationInfoChoice
 * RevocationInfoChoice ::= CHOICE {
 *     crl CertificateList,
 *     other [1] IMPLICIT OtherRevocationInfoFormat }
 *
 * OtherRevocationInfoFormat ::= SEQUENCE {
 *     otherRevInfoFormat OBJECT IDENTIFIER,
 *     otherRevInfo ANY DEFINED BY otherRevInfoFormat }
 * 
 * 
 * TODO: RevocationInfoChoices / RevocationInfoChoice.
 *       Constructor using CertificateSet, CertificationInfoChoices
 */
public class OriginatorInfo
    extends ASN1Object
{
    private ASN1Set certs;
    private ASN1Set crls;
    
    public OriginatorInfo(
        ASN1Set certs,
        ASN1Set crls)
    {
        this.certs = certs;
        this.crls = crls;
    }
    
    private OriginatorInfo(
        ASN1Sequence seq)
    {
        switch (seq.size())
        {
        case 0:     // empty
            break;
        case 1:
            ASN1TaggedObject o = (ASN1TaggedObject)seq.getObjectAt(0);
            switch (o.getTagNo())
            {
            case 0 :
                certs = ASN1Set.getInstance(o, false);
                break;
            case 1 :
                crls = ASN1Set.getInstance(o, false);
                break;
            default:
                throw new IllegalArgumentException("Bad tag in OriginatorInfo: " + o.getTagNo());
            }
            break;
        case 2:
            certs = ASN1Set.getInstance((ASN1TaggedObject)seq.getObjectAt(0), false);
            crls  = ASN1Set.getInstance((ASN1TaggedObject)seq.getObjectAt(1), false);
            break;
        default:
            throw new IllegalArgumentException("OriginatorInfo too big");
        }
    }
    
    /**
     * Return an OriginatorInfo object from a tagged object.
     *
     * @param obj the tagged object holding the object we want.
     * @param explicit true if the object is meant to be explicitly
     *              tagged false otherwise.
     * @exception IllegalArgumentException if the object held by the
     *          tagged object cannot be converted.
     */
    public static OriginatorInfo getInstance(
        ASN1TaggedObject    obj,
        boolean             explicit)
    {
        return getInstance(ASN1Sequence.getInstance(obj, explicit));
    }
    
    /**
     * Return an OriginatorInfo object from the given object.
     * 

     * Accepted inputs:
     * 

     *  null → null
     * 
 {@link OriginatorInfo} object
     * 
 {@link org.bouncycastle.asn1.ASN1Sequence#getInstance(java.lang.Object) ASN1Sequence} input formats with OriginatorInfo structure inside
     * 
     *
     * @param obj the object we want converted.
     * @exception IllegalArgumentException if the object cannot be converted.
     */
    public static OriginatorInfo getInstance(
        Object obj)
    {
        if (obj instanceof OriginatorInfo)
        {
            return (OriginatorInfo)obj;
        }
        else if (obj != null)
        {
            return new OriginatorInfo(ASN1Sequence.getInstance(obj));
        }

        return null;
    }
    
    public ASN1Set getCertificates()
    {
        return certs;
    }

    public ASN1Set getCRLs()
    {
        return crls;
    }

    /** 
     * Produce an object suitable for an ASN1OutputStream.
     */
    public ASN1Primitive toASN1Primitive()
    {
        ASN1EncodableVector v = new ASN1EncodableVector(2);

        if (certs != null)
        {
            v.add(new DERTaggedObject(false, 0, certs));
        }
        
        if (crls != null)
        {
            v.add(new DERTaggedObject(false, 1, crls));
        }
        
        return new DERSequence(v);
    }
}