org.bouncycastle.cms.jcajce.JcaSignerInfoGeneratorBuilder Maven / Gradle / Ivy

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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.cms.jcajce;

import java.security.cert.CertificateEncodingException;
import java.security.cert.X509Certificate;

import org.bouncycastle.cert.X509CertificateHolder;
import org.bouncycastle.cert.jcajce.JcaX509CertificateHolder;
import org.bouncycastle.cms.CMSAttributeTableGenerator;
import org.bouncycastle.cms.SignerInfoGenerator;
import org.bouncycastle.cms.SignerInfoGeneratorBuilder;
import org.bouncycastle.operator.ContentSigner;
import org.bouncycastle.operator.DigestCalculatorProvider;
import org.bouncycastle.operator.OperatorCreationException;

public class JcaSignerInfoGeneratorBuilder
{
    private SignerInfoGeneratorBuilder builder;

    public JcaSignerInfoGeneratorBuilder(DigestCalculatorProvider digestProvider)
    {
        builder = new SignerInfoGeneratorBuilder(digestProvider);
    }

    /**
     * If the passed in flag is true, the signer signature will be based on the data, not
     * a collection of signed attributes, and no signed attributes will be included.
     *
     * @return the builder object
     */
    public JcaSignerInfoGeneratorBuilder setDirectSignature(boolean hasNoSignedAttributes)
    {
        builder.setDirectSignature(hasNoSignedAttributes);

        return this;
    }

    public JcaSignerInfoGeneratorBuilder setSignedAttributeGenerator(CMSAttributeTableGenerator signedGen)
    {
        builder.setSignedAttributeGenerator(signedGen);

        return this;
    }

    public JcaSignerInfoGeneratorBuilder setUnsignedAttributeGenerator(CMSAttributeTableGenerator unsignedGen)
    {
        builder.setUnsignedAttributeGenerator(unsignedGen);

        return this;
    }

    public SignerInfoGenerator build(ContentSigner contentSigner, X509CertificateHolder certHolder)
        throws OperatorCreationException
    {
        return builder.build(contentSigner, certHolder);
    }

    public SignerInfoGenerator build(ContentSigner contentSigner, byte[] keyIdentifier)
        throws OperatorCreationException
    {
        return builder.build(contentSigner, keyIdentifier);
    }

    public SignerInfoGenerator build(ContentSigner contentSigner, X509Certificate certificate)
        throws OperatorCreationException, CertificateEncodingException
    {
        return this.build(contentSigner, new JcaX509CertificateHolder(certificate));
    }
}