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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 1.5 to JDK 1.8. The APIs can be used in conjunction with a JCE/JCA provider such as the one provided with the Bouncy Castle Cryptography APIs.
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package org.bouncycastle.eac;
import java.io.OutputStream;
import org.bouncycastle.asn1.ASN1Encoding;
import org.bouncycastle.asn1.DERApplicationSpecific;
import org.bouncycastle.asn1.eac.CVCertificate;
import org.bouncycastle.asn1.eac.CertificateBody;
import org.bouncycastle.asn1.eac.CertificateHolderAuthorization;
import org.bouncycastle.asn1.eac.CertificateHolderReference;
import org.bouncycastle.asn1.eac.CertificationAuthorityReference;
import org.bouncycastle.asn1.eac.EACTags;
import org.bouncycastle.asn1.eac.PackedDate;
import org.bouncycastle.asn1.eac.PublicKeyDataObject;
import org.bouncycastle.eac.operator.EACSigner;
public class EACCertificateBuilder
{
private static final byte [] ZeroArray = new byte [] {0};
private PublicKeyDataObject publicKey;
private CertificateHolderAuthorization certificateHolderAuthorization;
private PackedDate certificateEffectiveDate;
private PackedDate certificateExpirationDate;
private CertificateHolderReference certificateHolderReference;
private CertificationAuthorityReference certificationAuthorityReference;
public EACCertificateBuilder(
CertificationAuthorityReference certificationAuthorityReference,
PublicKeyDataObject publicKey,
CertificateHolderReference certificateHolderReference,
CertificateHolderAuthorization certificateHolderAuthorization,
PackedDate certificateEffectiveDate,
PackedDate certificateExpirationDate)
{
this.certificationAuthorityReference = certificationAuthorityReference;
this.publicKey = publicKey;
this.certificateHolderReference = certificateHolderReference;
this.certificateHolderAuthorization = certificateHolderAuthorization;
this.certificateEffectiveDate = certificateEffectiveDate;
this.certificateExpirationDate = certificateExpirationDate;
}
private CertificateBody buildBody()
{
DERApplicationSpecific certificateProfileIdentifier;
certificateProfileIdentifier = new DERApplicationSpecific(
EACTags.INTERCHANGE_PROFILE, ZeroArray);
CertificateBody body = new CertificateBody(
certificateProfileIdentifier,
certificationAuthorityReference,
publicKey,
certificateHolderReference,
certificateHolderAuthorization,
certificateEffectiveDate,
certificateExpirationDate);
return body;
}
public EACCertificateHolder build(EACSigner signer)
throws EACException
{
try
{
CertificateBody body = buildBody();
OutputStream vOut = signer.getOutputStream();
vOut.write(body.getEncoded(ASN1Encoding.DER));
vOut.close();
return new EACCertificateHolder(new CVCertificate(body, signer.getSignature()));
}
catch (Exception e)
{
throw new EACException("unable to process signature: " + e.getMessage(), e);
}
}
}