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The Bouncy Castle Java APIs for ASN.1 extension and utility APIs used to support bcpkix and bctls with the BC FIPS provider. The APIs may also be used with other providers although if being used in a FIPS context it is the responsibility of the user to ensure that any other providers used are FIPS certified and used appropriately.

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package org.bouncycastle.asn1.cmc;

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

/**
 *  *    --  This defines the response message in the protocol
 *  id-cct-PKIResponse OBJECT IDENTIFIER ::= { id-cct 3 }
 *
 * ResponseBody ::= PKIResponse
 *
 * PKIResponse ::= SEQUENCE {
 *     controlSequence   SEQUENCE SIZE(0..MAX) OF TaggedAttribute,
 *     cmsSequence       SEQUENCE SIZE(0..MAX) OF TaggedContentInfo,
 *     otherMsgSequence  SEQUENCE SIZE(0..MAX) OF OtherMsg
 * }
 * 
 */
public class PKIResponse
    extends ASN1Object
{
    public static final TaggedContentInfo[] EMPTY_CMS_SEQUENCE = new TaggedContentInfo[0];
    public static final OtherMsg[] EMPTY_OTHER_MSG = new OtherMsg[0];

    private final ASN1Sequence controlSequence;
    private final ASN1Sequence cmsSequence;
    private final ASN1Sequence otherMsgSequence;

    private PKIResponse(ASN1Sequence seq)
    {
        if (seq.size() != 3)
        {
            throw new IllegalArgumentException("incorrect sequence size");
        }
        this.controlSequence = ASN1Sequence.getInstance(seq.getObjectAt(0));
        this.cmsSequence = ASN1Sequence.getInstance(seq.getObjectAt(1));
        this.otherMsgSequence = ASN1Sequence.getInstance(seq.getObjectAt(2));
    }

    public static PKIResponse getInstance(Object o)
    {
        if (o instanceof PKIResponse)
        {
            return (PKIResponse)o;
        }

        if (o != null)
        {
            return new PKIResponse(ASN1Sequence.getInstance(o));
        }

        return null;
    }

    public static PKIResponse getInstance(
        ASN1TaggedObject obj,
        boolean explicit)
    {
        return getInstance(ASN1Sequence.getInstance(obj, explicit));
    }

    public PKIResponse(TaggedAttribute controlSequence)
    {
        this.controlSequence = new DERSequence(controlSequence);
        this.cmsSequence = new DERSequence();
        this.otherMsgSequence = new DERSequence();
    }

    public PKIResponse(TaggedAttribute[] controlSequence, TaggedContentInfo[] cmsSequence, OtherMsg[] otherMsgSequence)
    {
        this.controlSequence = new DERSequence(controlSequence);
        this.cmsSequence = new DERSequence(cmsSequence);
        this.otherMsgSequence = new DERSequence(otherMsgSequence);
    }

    public ASN1Primitive toASN1Primitive()
    {
        ASN1EncodableVector v = new ASN1EncodableVector(3);

        v.add(controlSequence);
        v.add(cmsSequence);
        v.add(otherMsgSequence);

        return new DERSequence(v);
    }

    public ASN1Sequence getControlSequence()
    {
        return controlSequence;
    }

    public ASN1Sequence getCmsSequence()
    {
        return cmsSequence;
    }

    public ASN1Sequence getOtherMsgSequence()
    {
        return otherMsgSequence;
    }
}