MitycXAdESSignatureFactory.java

package es.uji.security.crypto.mityc;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.security.PrivateKey;
import java.security.cert.X509Certificate;

import es.mityc.firmaJava.configuracion.Configuracion;
import es.mityc.firmaJava.libreria.xades.FirmaXML;
import es.uji.security.crypto.ISignFormatProvider;
import es.uji.security.crypto.SignatureOptions;
import es.uji.security.crypto.SignatureResult;
import es.uji.security.crypto.config.OS;

public class MitycXAdESSignatureFactory implements ISignFormatProvider
{
    public SignatureResult formatSignature(SignatureOptions signatureOptions) throws Exception
    {
        byte[] data = OS.inputStreamToByteArray(signatureOptions.getDataToSign());
        X509Certificate certificate = signatureOptions.getCertificate();
        PrivateKey privateKey = signatureOptions.getPrivateKey();

        Configuracion configuracion = new Configuracion();
        configuracion.cargarConfiguracion();

        FirmaXML sxml = new FirmaXML(configuracion);

        ByteArrayOutputStream bos = new ByteArrayOutputStream();

        sxml.signFile(certificate.getSerialNumber(), certificate.getIssuerDN().toString(),
                certificate, new ByteArrayInputStream(data), null, "Certificate1,<root>",
                privateKey, bos, false);

        SignatureResult signatureResult = new SignatureResult();

        signatureResult.setValid(true);
        signatureResult.setSignatureData(new ByteArrayInputStream(bos.toByteArray()));

        return signatureResult;
    }
}