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The Bouncy Castle Java APIs for CMS, PKCS, EAC, TSP, CMP, CRMF, OCSP, and certificate generation. This jar contains APIs for JDK 1.8 and up. The APIs are designed primarily to be used in conjunction with the BC LTS provider but may also be used with other providers providing cryptographic services.

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package org.bouncycastle.its.bc;

import org.bouncycastle.crypto.params.ECPublicKeyParameters;
import org.bouncycastle.its.ITSCertificate;
import org.bouncycastle.its.ITSExplicitCertificateBuilder;
import org.bouncycastle.its.ITSPublicEncryptionKey;
import org.bouncycastle.its.operator.ITSContentSigner;
import org.bouncycastle.oer.its.ieee1609dot2.CertificateId;
import org.bouncycastle.oer.its.ieee1609dot2.ToBeSignedCertificate;

public class BcITSExplicitCertificateBuilder
    extends ITSExplicitCertificateBuilder
{
    /**
     * Base constructor for an ITS certificate.
     *
     * @param signer         the content signer to be used to generate the signature validating the certificate.
     * @param tbsCertificate
     */
    public BcITSExplicitCertificateBuilder(ITSContentSigner signer, ToBeSignedCertificate.Builder tbsCertificate)
    {
        super(signer, tbsCertificate);
    }

    public ITSCertificate build(
        CertificateId certificateId,
        ECPublicKeyParameters verificationKey)
    {

        return build(certificateId, verificationKey, null);
    }

    public ITSCertificate build(
        CertificateId certificateId,
        ECPublicKeyParameters verificationKey,
        ECPublicKeyParameters encryptionKey)
    {
        ITSPublicEncryptionKey publicEncryptionKey = null;
        if (encryptionKey != null)
        {
            publicEncryptionKey = new BcITSPublicEncryptionKey(encryptionKey);
        }

        return super.build(certificateId, new BcITSPublicVerificationKey(verificationKey), publicEncryptionKey);
    }
}