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The Bouncy Castle Java APIs for CMS, PKCS, EAC, TSP, CMP, CRMF, OCSP, and certificate generation. The APIs are designed primarily to be used in conjunction 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.

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package org.bouncycastle.cms;

import java.util.ArrayList;
import java.util.List;

import org.bouncycastle.asn1.cms.OriginatorInfo;
import org.bouncycastle.cert.X509CertificateHolder;
import org.bouncycastle.util.Store;

public class OriginatorInfoGenerator
{
    private final List origCerts;
    private final List origCRLs;

    public OriginatorInfoGenerator(X509CertificateHolder origCert)
    {
        this.origCerts = new ArrayList(1);
        this.origCRLs = null;
        origCerts.add(origCert.toASN1Structure());
    }

    public OriginatorInfoGenerator(Store origCerts)
        throws CMSException
    {
        this(origCerts, null);
    }

    public OriginatorInfoGenerator(Store origCerts, Store origCRLs)
        throws CMSException
    {
        this.origCerts = CMSUtils.getCertificatesFromStore(origCerts);

        if (origCRLs != null)
        {
            this.origCRLs = CMSUtils.getCRLsFromStore(origCRLs);
        }
        else
        {
            this.origCRLs = null;
        }
    }

    public OriginatorInformation generate()
    {
        if (origCRLs != null)
        {
            return new OriginatorInformation(new OriginatorInfo(CMSUtils.createDerSetFromList(origCerts), CMSUtils.createDerSetFromList(origCRLs)));
        }
        else
        {
            return new OriginatorInformation(new OriginatorInfo(CMSUtils.createDerSetFromList(origCerts), null));
        }
    }
}