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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.ASN1Encodable;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.DERSequence;

/**
 *  * PKIData ::= SEQUENCE {
 * controlSequence    SEQUENCE SIZE(0..MAX) OF TaggedAttribute,
 * reqSequence        SEQUENCE SIZE(0..MAX) OF TaggedRequest,
 * cmsSequence        SEQUENCE SIZE(0..MAX) OF TaggedContentInfo,
 * otherMsgSequence   SEQUENCE SIZE(0..MAX) OF OtherMsg
 * }
 * 
 */
public class PKIData
    extends ASN1Object
{
    private final TaggedAttribute[] controlSequence;
    private final TaggedRequest[] reqSequence;
    private final TaggedContentInfo[] cmsSequence;
    private final OtherMsg[] otherMsgSequence;


    public PKIData(
        TaggedAttribute[] controlSequence,
        TaggedRequest[] reqSequence,
        TaggedContentInfo[] cmsSequence,
        OtherMsg[] otherMsgSequence)
    {
        this.controlSequence = copy(controlSequence);
        this.reqSequence = copy(reqSequence);
        this.cmsSequence = copy(cmsSequence);
        this.otherMsgSequence = copy(otherMsgSequence);
    }

    private PKIData(ASN1Sequence seq)
    {
        if (seq.size() != 4)
        {
            throw new IllegalArgumentException("Sequence not 4 elements.");
        }

        ASN1Sequence s = ((ASN1Sequence)seq.getObjectAt(0));
        controlSequence = new TaggedAttribute[s.size()];
        for (int t = 0; t < controlSequence.length; t++)
        {
            controlSequence[t] = TaggedAttribute.getInstance(s.getObjectAt(t));
        }

        s = ((ASN1Sequence)seq.getObjectAt(1));
        reqSequence = new TaggedRequest[s.size()];
        for (int t = 0; t < reqSequence.length; t++)
        {
            reqSequence[t] = TaggedRequest.getInstance(s.getObjectAt(t));
        }

        s = ((ASN1Sequence)seq.getObjectAt(2));
        cmsSequence = new TaggedContentInfo[s.size()];
        for (int t = 0; t < cmsSequence.length; t++)
        {
            cmsSequence[t] = TaggedContentInfo.getInstance(s.getObjectAt(t));
        }

        s = ((ASN1Sequence)seq.getObjectAt(3));
        otherMsgSequence = new OtherMsg[s.size()];
        for (int t = 0; t < otherMsgSequence.length; t++)
        {
            otherMsgSequence[t] = OtherMsg.getInstance(s.getObjectAt(t));
        }
    }

    public static PKIData getInstance(Object src)
    {
        if (src instanceof PKIData)
        {
            return (PKIData)src;
        }
        if (src != null)
        {
            return new PKIData(ASN1Sequence.getInstance(src));
        }
        return null;
    }

    public ASN1Primitive toASN1Primitive()
    {
        return new DERSequence(new ASN1Encodable[]{
            new DERSequence(controlSequence),
            new DERSequence(reqSequence),
            new DERSequence(cmsSequence),
            new DERSequence(otherMsgSequence)
        });

    }

    public TaggedAttribute[] getControlSequence()
    {
        return copy(controlSequence);
    }

    private TaggedAttribute[] copy(TaggedAttribute[] taggedAtts)
    {
        TaggedAttribute[] tmp = new TaggedAttribute[taggedAtts.length];

        System.arraycopy(taggedAtts, 0, tmp, 0, tmp.length);

        return tmp;
    }

    public TaggedRequest[] getReqSequence()
    {
        return copy(reqSequence);
    }

    private TaggedRequest[] copy(TaggedRequest[] taggedReqs)
    {
        TaggedRequest[] tmp = new TaggedRequest[taggedReqs.length];

        System.arraycopy(taggedReqs, 0, tmp, 0, tmp.length);

        return tmp;
    }

    public TaggedContentInfo[] getCmsSequence()
    {
        return copy(cmsSequence);
    }

    private TaggedContentInfo[] copy(TaggedContentInfo[] taggedConts)
    {
        TaggedContentInfo[] tmp = new TaggedContentInfo[taggedConts.length];

        System.arraycopy(taggedConts, 0, tmp, 0, tmp.length);

        return tmp;
    }

    public OtherMsg[] getOtherMsgSequence()
    {
        return copy(otherMsgSequence);
    }

    private OtherMsg[] copy(OtherMsg[] otherMsgs)
    {
        OtherMsg[] tmp = new OtherMsg[otherMsgs.length];

        System.arraycopy(otherMsgs, 0, tmp, 0, tmp.length);

        return tmp;
    }
}