/*******************************************************************************
* Copyright 2014 by E-Government Innovation Center EGIZ, Graz, Austria
* PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
* joint initiative of the Federal Chancellery Austria and Graz University of
* Technology.
*
* Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
* the European Commission - subsequent versions of the EUPL (the "Licence");
* You may not use this work except in compliance with the Licence.
* You may obtain a copy of the Licence at:
* http://www.osor.eu/eupl/
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the Licence is distributed on an "AS IS" basis,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the Licence for the specific language governing permissions and
* limitations under the Licence.
*
* This product combines work with different licenses. See the "NOTICE" text
* file for details on the various modules and licenses.
* The "NOTICE" text file is part of the distribution. Any derivative works
* that you distribute must include a readable copy of the "NOTICE" text file.
******************************************************************************/
package at.gv.egiz.pdfas.sigs.pkcs7detached;
import iaik.asn1.ObjectID;
import iaik.asn1.structures.AlgorithmID;
import iaik.cms.ContentInfo;
import iaik.cms.SignedData;
import iaik.cms.SignerInfo;
import iaik.x509.X509Certificate;
import java.io.ByteArrayInputStream;
import java.security.SignatureException;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import at.gv.egiz.pdfas.common.exceptions.PdfAsException;
import at.gv.egiz.pdfas.common.exceptions.PdfAsSignatureException;
import at.gv.egiz.pdfas.common.utils.PDFUtils;
import at.gv.egiz.pdfas.lib.api.Configuration;
import at.gv.egiz.pdfas.lib.api.verify.VerifyResult;
import at.gv.egiz.pdfas.lib.impl.verify.FilterEntry;
import at.gv.egiz.pdfas.lib.impl.verify.IVerifier;
import at.gv.egiz.pdfas.lib.impl.verify.IVerifyFilter;
import at.gv.egiz.pdfas.lib.impl.verify.SignatureCheckImpl;
import at.gv.egiz.pdfas.lib.impl.verify.VerifyResultImpl;
public class PKCS7DetachedVerifier implements IVerifyFilter {
private static final Logger logger = LoggerFactory.getLogger(PKCS7DetachedVerifier.class);
public PKCS7DetachedVerifier() {
}
public List verify(byte[] contentData, byte[] signatureContent,
Date verificationTime, int[] byteRange, IVerifier verifier)
throws PdfAsException {
byte[] data = contentData;
byte[] signature = signatureContent;
List verifieResults = verifier.verify(signature, data, verificationTime);
for(int i =0; i < verifieResults.size();i++) {
VerifyResultImpl result = (VerifyResultImpl)verifieResults.get(i);
result.setSignatureData(PDFUtils.blackOutSignature(data, byteRange));
}
return verifieResults;
}
public List getFiters() {
List result = new ArrayList();
result.add(new FilterEntry(PDSignature.FILTER_ADOBE_PPKLITE, PDSignature.SUBFILTER_ADBE_PKCS7_DETACHED));
//result.add(new FilterEntry(PDSignature.FILTER_ADOBE_PPKLITE, PDSignature.SUBFILTER_ETSI_CADES_DETACHED));
return result;
}
public void setConfiguration(Configuration config) {
// not needed
}
}