use of com.github.zhenwei.pkix.util.asn1.cms.ContentInfoParser in project LinLong-Java by zhenwei1108.
the class CMSCompressedDataParser method getContent.
/**
* Return a typed stream which will allow the reading of the compressed content in expanded form.
*
* @param expanderProvider a provider of expander algorithm implementations.
* @return a type stream which will yield the un-compressed content.
* @throws CMSException if there is an exception parsing the CompressedData object.
*/
public CMSTypedStream getContent(InputExpanderProvider expanderProvider) throws CMSException {
try {
CompressedDataParser comData = new CompressedDataParser((ASN1SequenceParser) _contentInfo.getContent(BERTags.SEQUENCE));
ContentInfoParser content = comData.getEncapContentInfo();
InputExpander expander = expanderProvider.get(comData.getCompressionAlgorithmIdentifier());
ASN1OctetStringParser bytes = (ASN1OctetStringParser) content.getContent(BERTags.OCTET_STRING);
return new CMSTypedStream(content.getContentType(), expander.getInputStream(bytes.getOctetStream()));
} catch (IOException e) {
throw new CMSException("IOException reading compressed content.", e);
}
}
use of com.github.zhenwei.pkix.util.asn1.cms.ContentInfoParser in project LinLong-Java by zhenwei1108.
the class CMSSignedDataParser method replaceCertificatesAndCRLs.
/**
* Replace the certificate and CRL information associated with this CMSSignedData object with the
* new one passed in.
* <p>
* The output stream is returned unclosed.
* </p>
*
* @param original the signed data stream to be used as a base.
* @param certs new certificates to be used, if any.
* @param crls new CRLs to be used, if any.
* @param attrCerts new attribute certificates to be used, if any.
* @param out the stream to write the new signed data object to.
* @return out.
* @throws CMSException if there is an error processing the CertStore
*/
public static OutputStream replaceCertificatesAndCRLs(InputStream original, Store certs, Store crls, Store attrCerts, OutputStream out) throws CMSException, IOException {
ASN1StreamParser in = new ASN1StreamParser(original);
ContentInfoParser contentInfo = new ContentInfoParser((ASN1SequenceParser) in.readObject());
SignedDataParser signedData = SignedDataParser.getInstance(contentInfo.getContent(BERTags.SEQUENCE));
BERSequenceGenerator sGen = new BERSequenceGenerator(out);
sGen.addObject(CMSObjectIdentifiers.signedData);
BERSequenceGenerator sigGen = new BERSequenceGenerator(sGen.getRawOutputStream(), 0, true);
// version number
sigGen.addObject(signedData.getVersion());
// digests
sigGen.getRawOutputStream().write(signedData.getDigestAlgorithms().toASN1Primitive().getEncoded());
// encap content info
ContentInfoParser encapContentInfo = signedData.getEncapContentInfo();
BERSequenceGenerator eiGen = new BERSequenceGenerator(sigGen.getRawOutputStream());
eiGen.addObject(encapContentInfo.getContentType());
pipeEncapsulatedOctetString(encapContentInfo, eiGen.getRawOutputStream());
eiGen.close();
//
// skip existing certs and CRLs
//
getASN1Set(signedData.getCertificates());
getASN1Set(signedData.getCrls());
//
if (certs != null || attrCerts != null) {
List certificates = new ArrayList();
if (certs != null) {
certificates.addAll(CMSUtils.getCertificatesFromStore(certs));
}
if (attrCerts != null) {
certificates.addAll(CMSUtils.getAttributeCertificatesFromStore(attrCerts));
}
ASN1Set asn1Certs = CMSUtils.createBerSetFromList(certificates);
if (asn1Certs.size() > 0) {
sigGen.getRawOutputStream().write(new DERTaggedObject(false, 0, asn1Certs).getEncoded());
}
}
if (crls != null) {
ASN1Set asn1Crls = CMSUtils.createBerSetFromList(CMSUtils.getCRLsFromStore(crls));
if (asn1Crls.size() > 0) {
sigGen.getRawOutputStream().write(new DERTaggedObject(false, 1, asn1Crls).getEncoded());
}
}
sigGen.getRawOutputStream().write(signedData.getSignerInfos().toASN1Primitive().getEncoded());
sigGen.close();
sGen.close();
return out;
}
use of com.github.zhenwei.pkix.util.asn1.cms.ContentInfoParser in project LinLong-Java by zhenwei1108.
the class CMSSignedDataParser method replaceSigners.
/**
* Replace the signerinformation store associated with the passed in message contained in the
* stream original with the new one passed in. You would probably only want to do this if you
* wanted to change the unsigned attributes associated with a signer, or perhaps delete one.
* <p>
* The output stream is returned unclosed.
* </p>
*
* @param original the signed data stream to be used as a base.
* @param signerInformationStore the new signer information store to use.
* @param out the stream to write the new signed data object to.
* @return out.
*/
public static OutputStream replaceSigners(InputStream original, SignerInformationStore signerInformationStore, OutputStream out) throws CMSException, IOException {
ASN1StreamParser in = new ASN1StreamParser(original);
ContentInfoParser contentInfo = new ContentInfoParser((ASN1SequenceParser) in.readObject());
SignedDataParser signedData = SignedDataParser.getInstance(contentInfo.getContent(BERTags.SEQUENCE));
BERSequenceGenerator sGen = new BERSequenceGenerator(out);
sGen.addObject(CMSObjectIdentifiers.signedData);
BERSequenceGenerator sigGen = new BERSequenceGenerator(sGen.getRawOutputStream(), 0, true);
// version number
sigGen.addObject(signedData.getVersion());
// digests
// skip old ones
signedData.getDigestAlgorithms().toASN1Primitive();
ASN1EncodableVector digestAlgs = new ASN1EncodableVector();
for (Iterator it = signerInformationStore.getSigners().iterator(); it.hasNext(); ) {
SignerInformation signer = (SignerInformation) it.next();
digestAlgs.add(CMSSignedHelper.INSTANCE.fixDigestAlgID(signer.getDigestAlgorithmID(), dgstAlgFinder));
}
sigGen.getRawOutputStream().write(new DERSet(digestAlgs).getEncoded());
// encap content info
ContentInfoParser encapContentInfo = signedData.getEncapContentInfo();
BERSequenceGenerator eiGen = new BERSequenceGenerator(sigGen.getRawOutputStream());
eiGen.addObject(encapContentInfo.getContentType());
pipeEncapsulatedOctetString(encapContentInfo, eiGen.getRawOutputStream());
eiGen.close();
writeSetToGeneratorTagged(sigGen, signedData.getCertificates(), 0);
writeSetToGeneratorTagged(sigGen, signedData.getCrls(), 1);
ASN1EncodableVector signerInfos = new ASN1EncodableVector();
for (Iterator it = signerInformationStore.getSigners().iterator(); it.hasNext(); ) {
SignerInformation signer = (SignerInformation) it.next();
signerInfos.add(signer.toASN1Structure());
}
sigGen.getRawOutputStream().write(new DERSet(signerInfos).getEncoded());
sigGen.close();
sGen.close();
return out;
}
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