org.bouncycastle.cert.crmf.PKIArchiveControl.java Source code

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Here is the source code for org.bouncycastle.cert.crmf.PKIArchiveControl.java

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package org.bouncycastle.cert.crmf;

import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.cms.CMSObjectIdentifiers;
import org.bouncycastle.asn1.cms.ContentInfo;
import org.bouncycastle.asn1.cms.EnvelopedData;
import org.bouncycastle.asn1.crmf.CRMFObjectIdentifiers;
import org.bouncycastle.asn1.crmf.EncryptedKey;
import org.bouncycastle.asn1.crmf.PKIArchiveOptions;
import org.bouncycastle.cms.CMSEnvelopedData;
import org.bouncycastle.cms.CMSException;

/**
 * Carrier for a PKIArchiveOptions structure.
 */
public class PKIArchiveControl implements Control {
    public static final int encryptedPrivKey = PKIArchiveOptions.encryptedPrivKey;
    public static final int keyGenParameters = PKIArchiveOptions.keyGenParameters;
    public static final int archiveRemGenPrivKey = PKIArchiveOptions.archiveRemGenPrivKey;

    private static final ASN1ObjectIdentifier type = CRMFObjectIdentifiers.id_regCtrl_pkiArchiveOptions;

    private final PKIArchiveOptions pkiArchiveOptions;

    /**
     * Basic constructor - build from an PKIArchiveOptions structure.
     *
     * @param pkiArchiveOptions  the ASN.1 structure that will underlie this control.
     */
    public PKIArchiveControl(PKIArchiveOptions pkiArchiveOptions) {
        this.pkiArchiveOptions = pkiArchiveOptions;
    }

    /**
     * Return the type of this control.
     *
     * @return CRMFObjectIdentifiers.id_regCtrl_pkiArchiveOptions
     */
    public ASN1ObjectIdentifier getType() {
        return type;
    }

    /**
     * Return the underlying ASN.1 object.
     *
     * @return a PKIArchiveOptions structure.
     */
    public ASN1Encodable getValue() {
        return pkiArchiveOptions;
    }

    /**
     * Return the archive control type, one of: encryptedPrivKey,keyGenParameters,or archiveRemGenPrivKey.
     *
     * @return the archive control type.
     */
    public int getArchiveType() {
        return pkiArchiveOptions.getType();
    }

    /**
     * Return whether this control contains enveloped data.
     *
     * @return true if the control contains enveloped data, false otherwise.
     */
    public boolean isEnvelopedData() {
        EncryptedKey encKey = EncryptedKey.getInstance(pkiArchiveOptions.getValue());

        return !encKey.isEncryptedValue();
    }

    /**
     * Return the enveloped data structure contained in this control.
     *
     * @return a CMSEnvelopedData object.
     */
    public CMSEnvelopedData getEnvelopedData() throws CRMFException {
        try {
            EncryptedKey encKey = EncryptedKey.getInstance(pkiArchiveOptions.getValue());
            EnvelopedData data = EnvelopedData.getInstance(encKey.getValue());

            return new CMSEnvelopedData(new ContentInfo(CMSObjectIdentifiers.envelopedData, data));
        } catch (CMSException e) {
            throw new CRMFException("CMS parsing error: " + e.getMessage(), e.getCause());
        } catch (Exception e) {
            throw new CRMFException("CRMF parsing error: " + e.getMessage(), e);
        }
    }
}