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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.cmp;

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

/**
 * PKIMessages ::= SEQUENCE SIZE (1..MAX) OF PKIMessage
 */
public class PKIMessages
    extends ASN1Object
{
    private final ASN1Sequence content;

    protected PKIMessages(ASN1Sequence seq)
    {
        content = seq;
    }

    public PKIMessages(PKIMessage msg)
    {
        content = new DERSequence(msg);
    }

    public PKIMessages(PKIMessage[] msgs)
    {
        content = new DERSequence(msgs);
    }

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

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

        return null;
    }

    public PKIMessage[] toPKIMessageArray()
    {
        PKIMessage[] result = new PKIMessage[content.size()];

        for (int i = 0; i != result.length; i++)
        {
            result[i] = PKIMessage.getInstance(content.getObjectAt(i));
        }

        return result;
    }

    /**
     *      * PKIMessages ::= SEQUENCE SIZE (1..MAX) OF PKIMessage
     * 
     *
     * @return a basic ASN.1 object representation.
     */
    public ASN1Primitive toASN1Primitive()
    {
        return content;
    }
}