Example usage for org.bouncycastle.cms.jcajce JcaSignerInfoGeneratorBuilder setUnsignedAttributeGenerator

Introduction

In this page you can find the example usage for org.bouncycastle.cms.jcajce JcaSignerInfoGeneratorBuilder setUnsignedAttributeGenerator.

Prototype

public JcaSignerInfoGeneratorBuilder setUnsignedAttributeGenerator(CMSAttributeTableGenerator unsignedGen) 

Source Link

Usage

From source file:org.xipki.pki.scep.message.PkiMessage.java

License:Open Source License

public ContentInfo encode(final ContentSigner signer, final X509Certificate signerCert,
        final X509Certificate[] cmsCertSet, final X509Certificate recipientCert,
        final ASN1ObjectIdentifier encAlgId) throws MessageEncodingException {
    ParamUtil.requireNonNull("signer", signer);
    ParamUtil.requireNonNull("signerCert", signerCert);
    ParamUtil.requireNonNull("recipientCert", recipientCert);
    ParamUtil.requireNonNull("encAlgId", encAlgId);

    CMSTypedData content;/*from   ww w.  j a  v  a2 s.  c  o m*/
    if (messageData == null) {
        content = new CMSAbsentContent();
    } else {
        CMSEnvelopedData envelopedData = encrypt(recipientCert, encAlgId);
        byte[] encoded;
        try {
            encoded = envelopedData.getEncoded();
        } catch (IOException ex) {
            throw new MessageEncodingException(ex);
        }
        content = new CMSProcessableByteArray(CMSObjectIdentifiers.envelopedData, encoded);
    }

    try {
        CMSSignedDataGenerator generator = new CMSSignedDataGenerator();

        // signerInfo
        JcaSignerInfoGeneratorBuilder signerInfoBuilder = new JcaSignerInfoGeneratorBuilder(
                new BcDigestCalculatorProvider());

        signerInfoBuilder
                .setSignedAttributeGenerator(new DefaultSignedAttributeTableGenerator(getSignedAttributes()));

        AttributeTable attrTable = getUnsignedAttributes();
        if (attrTable != null) {
            signerInfoBuilder.setUnsignedAttributeGenerator(new SimpleAttributeTableGenerator(attrTable));
        }

        // certificateSet
        ScepUtil.addCmsCertSet(generator, cmsCertSet);

        SignerInfoGenerator signerInfo;
        try {
            signerInfo = signerInfoBuilder.build(signer, signerCert);
        } catch (Exception ex) {
            throw new MessageEncodingException(ex);
        }

        generator.addSignerInfoGenerator(signerInfo);

        CMSSignedData signedData = generator.generate(content, true);
        return signedData.toASN1Structure();
    } catch (CMSException ex) {
        throw new MessageEncodingException(ex);
    } catch (Exception ex) {
        throw new MessageEncodingException(ex);
    }
}

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