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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.oer.its.etsi102941;

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;
import org.bouncycastle.oer.its.etsi102941.basetypes.CertificateSubjectAttributes;
import org.bouncycastle.oer.its.etsi102941.basetypes.PublicKeys;

/**
 * CaCertificateRequest ::= SEQUENCE {
 * publicKeys                  PublicKeys,
 * requestedSubjectAttributes  CertificateSubjectAttributes,
 * ...
 * }
 */
public class CaCertificateRequest
    extends ASN1Object
{
    private final PublicKeys publicKeys;
    private final CertificateSubjectAttributes requestedSubjectAttributes;

    public CaCertificateRequest(PublicKeys publicKeys, CertificateSubjectAttributes requestedSubjectAttributes)
    {
        this.publicKeys = publicKeys;
        this.requestedSubjectAttributes = requestedSubjectAttributes;
    }

    private CaCertificateRequest(ASN1Sequence seq)
    {
        if (seq.size() != 2)
        {
            throw new IllegalArgumentException("expected sequence size of 2");
        }
        this.publicKeys = PublicKeys.getInstance(seq.getObjectAt(0));
        this.requestedSubjectAttributes = CertificateSubjectAttributes.getInstance(seq.getObjectAt(1));
    }

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

        return null;
    }


    public PublicKeys getPublicKeys()
    {
        return publicKeys;
    }

    public CertificateSubjectAttributes getRequestedSubjectAttributes()
    {
        return requestedSubjectAttributes;
    }

    public ASN1Primitive toASN1Primitive()
    {
        return new DERSequence(new ASN1Encodable[]{publicKeys, requestedSubjectAttributes});
    }

    public static Builder builder()
    {
        return new Builder();
    }

    public static class Builder
    {
        private PublicKeys publicKeys;
        private CertificateSubjectAttributes requestedSubjectAttributes;

        public Builder setPublicKeys(PublicKeys publicKeys)
        {
            this.publicKeys = publicKeys;
            return this;
        }

        public Builder setRequestedSubjectAttributes(CertificateSubjectAttributes requestedSubjectAttributes)
        {
            this.requestedSubjectAttributes = requestedSubjectAttributes;
            return this;
        }

        public CaCertificateRequest createCaCertificateRequest()
        {
            return new CaCertificateRequest(publicKeys, requestedSubjectAttributes);
        }

    }

}