List of usage examples for org.bouncycastle.asn1 ASN1TaggedObject getObject
public ASN1Primitive getObject()
From source file:br.gov.jfrj.siga.cd.CertificadoUtil.java
License:Open Source License
/** * Interpreta um dado do tipo otherName. Obs. O JDK 5.0 no tem classes que * lidem com um dado do tipo OtherName. necessrio usar o BouncyCastle. * //from w w w . j a v a 2s . c o m * @param encoded * O dado em ASN.1. * @return Um par contendo o OID e o contedo. */ public static Pair<ASN1ObjectIdentifier, String> getOtherName(DLSequence sequence) throws IOException { String conteudo = ""; @SuppressWarnings("rawtypes") Enumeration en = sequence.getObjects(); ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier) en.nextElement(); ASN1TaggedObject taggedObject = (ASN1TaggedObject) en.nextElement(); ASN1Primitive obj = taggedObject.getObject(); if (obj instanceof ASN1String) { // Certificados antigos SERASA - // incorretos conteudo = ((ASN1String) obj).getString(); } else if (obj instanceof ASN1OctetString) { // Certificados corretos conteudo = new String(((ASN1OctetString) obj).getOctets(), "ISO-8859-1"); } return new Pair<ASN1ObjectIdentifier, String>(oid, conteudo); }
From source file:com.hierynomus.spnego.NegTokenInit.java
License:Apache License
@Override protected void parseTagged(ASN1TaggedObject asn1TaggedObject) throws SpnegoException { if (asn1TaggedObject.getObject().toString().contains(ADS_IGNORE_PRINCIPAL)) { // Ignore return;//from w w w . j av a2 s . c o m } switch (asn1TaggedObject.getTagNo()) { case 0: readMechTypeList(asn1TaggedObject.getObject()); break; case 1: // Ignore reqFlags for now... break; case 2: readMechToken(asn1TaggedObject.getObject()); break; case 3: // Ignore mechListMIC for now... break; default: throw new SpnegoException("Unknown Object Tag " + asn1TaggedObject.getTagNo() + " encountered."); } }
From source file:com.hierynomus.spnego.NegTokenTarg.java
License:Apache License
@Override protected void parseTagged(ASN1TaggedObject asn1TaggedObject) throws SpnegoException { switch (asn1TaggedObject.getTagNo()) { case 0://from w w w . j a v a 2 s . co m readNegResult(asn1TaggedObject.getObject()); break; case 1: readSupportedMech(asn1TaggedObject.getObject()); break; case 2: readResponseToken(asn1TaggedObject.getObject()); break; case 3: readMechListMIC(asn1TaggedObject.getObject()); break; default: throw new SpnegoException("Unknown Object Tag " + asn1TaggedObject.getTagNo() + " encountered."); } }
From source file:com.itextpdf.signatures.PdfPKCS7.java
License:Open Source License
/** * Use this constructor if you want to verify a signature. * * @param contentsKey the /Contents key * @param filterSubtype the filtersubtype * @param provider the provider or <code>null</code> for the default provider *///from ww w. j av a 2 s .c o m @SuppressWarnings({ "unchecked" }) public PdfPKCS7(byte[] contentsKey, PdfName filterSubtype, String provider) { this.filterSubtype = filterSubtype; isTsp = PdfName.ETSI_RFC3161.equals(filterSubtype); isCades = PdfName.ETSI_CAdES_DETACHED.equals(filterSubtype); try { this.provider = provider; ASN1InputStream din = new ASN1InputStream(new ByteArrayInputStream(contentsKey)); // // Basic checks to make sure it's a PKCS#7 SignedData Object // ASN1Primitive pkcs; try { pkcs = din.readObject(); } catch (IOException e) { throw new IllegalArgumentException(PdfException.CannotDecodePkcs7SigneddataObject); } if (!(pkcs instanceof ASN1Sequence)) { throw new IllegalArgumentException(PdfException.NotAValidPkcs7ObjectNotASequence); } ASN1Sequence signedData = (ASN1Sequence) pkcs; ASN1ObjectIdentifier objId = (ASN1ObjectIdentifier) signedData.getObjectAt(0); if (!objId.getId().equals(SecurityIDs.ID_PKCS7_SIGNED_DATA)) throw new IllegalArgumentException(PdfException.NotAValidPkcs7ObjectNotSignedData); ASN1Sequence content = (ASN1Sequence) ((ASN1TaggedObject) signedData.getObjectAt(1)).getObject(); // the positions that we care are: // 0 - version // 1 - digestAlgorithms // 2 - possible ID_PKCS7_DATA // (the certificates and crls are taken out by other means) // last - signerInfos // the version version = ((ASN1Integer) content.getObjectAt(0)).getValue().intValue(); // the digestAlgorithms digestalgos = new HashSet<>(); Enumeration e = ((ASN1Set) content.getObjectAt(1)).getObjects(); while (e.hasMoreElements()) { ASN1Sequence s = (ASN1Sequence) e.nextElement(); ASN1ObjectIdentifier o = (ASN1ObjectIdentifier) s.getObjectAt(0); digestalgos.add(o.getId()); } // the possible ID_PKCS7_DATA ASN1Sequence rsaData = (ASN1Sequence) content.getObjectAt(2); if (rsaData.size() > 1) { ASN1OctetString rsaDataContent = (ASN1OctetString) ((ASN1TaggedObject) rsaData.getObjectAt(1)) .getObject(); RSAdata = rsaDataContent.getOctets(); } int next = 3; while (content.getObjectAt(next) instanceof ASN1TaggedObject) ++next; // the certificates /* This should work, but that's not always the case because of a bug in BouncyCastle: */ certs = SignUtils.readAllCerts(contentsKey); /* The following workaround was provided by Alfonso Massa, but it doesn't always work either. ASN1Set certSet = null; ASN1Set crlSet = null; while (content.getObjectAt(next) instanceof ASN1TaggedObject) { ASN1TaggedObject tagged = (ASN1TaggedObject)content.getObjectAt(next); switch (tagged.getTagNo()) { case 0: certSet = ASN1Set.getInstance(tagged, false); break; case 1: crlSet = ASN1Set.getInstance(tagged, false); break; default: throw new IllegalArgumentException("unknown tag value " + tagged.getTagNo()); } ++next; } certs = new ArrayList<Certificate>(certSet.size()); CertificateFactory certFact = CertificateFactory.getInstance("X.509", new BouncyCastleProvider()); for (Enumeration en = certSet.getObjects(); en.hasMoreElements();) { ASN1Primitive obj = ((ASN1Encodable)en.nextElement()).toASN1Primitive(); if (obj instanceof ASN1Sequence) { ByteArrayInputStream stream = new ByteArrayInputStream(obj.getEncoded()); X509Certificate x509Certificate = (X509Certificate)certFact.generateCertificate(stream); stream.close(); certs.add(x509Certificate); } } */ // the signerInfos ASN1Set signerInfos = (ASN1Set) content.getObjectAt(next); if (signerInfos.size() != 1) throw new IllegalArgumentException( PdfException.ThisPkcs7ObjectHasMultipleSignerinfosOnlyOneIsSupportedAtThisTime); ASN1Sequence signerInfo = (ASN1Sequence) signerInfos.getObjectAt(0); // the positions that we care are // 0 - version // 1 - the signing certificate issuer and serial number // 2 - the digest algorithm // 3 or 4 - digestEncryptionAlgorithm // 4 or 5 - encryptedDigest signerversion = ((ASN1Integer) signerInfo.getObjectAt(0)).getValue().intValue(); // Get the signing certificate ASN1Sequence issuerAndSerialNumber = (ASN1Sequence) signerInfo.getObjectAt(1); X509Principal issuer = SignUtils.getIssuerX509Name(issuerAndSerialNumber); BigInteger serialNumber = ((ASN1Integer) issuerAndSerialNumber.getObjectAt(1)).getValue(); for (Object element : certs) { X509Certificate cert = (X509Certificate) element; if (cert.getIssuerDN().equals(issuer) && serialNumber.equals(cert.getSerialNumber())) { signCert = cert; break; } } if (signCert == null) { throw new PdfException(PdfException.CannotFindSigningCertificateWithSerial1) .setMessageParams(issuer.getName() + " / " + serialNumber.toString(16)); } signCertificateChain(); digestAlgorithmOid = ((ASN1ObjectIdentifier) ((ASN1Sequence) signerInfo.getObjectAt(2)).getObjectAt(0)) .getId(); next = 3; boolean foundCades = false; if (signerInfo.getObjectAt(next) instanceof ASN1TaggedObject) { ASN1TaggedObject tagsig = (ASN1TaggedObject) signerInfo.getObjectAt(next); ASN1Set sseq = ASN1Set.getInstance(tagsig, false); sigAttr = sseq.getEncoded(); // maybe not necessary, but we use the following line as fallback: sigAttrDer = sseq.getEncoded(ASN1Encoding.DER); for (int k = 0; k < sseq.size(); ++k) { ASN1Sequence seq2 = (ASN1Sequence) sseq.getObjectAt(k); String idSeq2 = ((ASN1ObjectIdentifier) seq2.getObjectAt(0)).getId(); if (idSeq2.equals(SecurityIDs.ID_MESSAGE_DIGEST)) { ASN1Set set = (ASN1Set) seq2.getObjectAt(1); digestAttr = ((ASN1OctetString) set.getObjectAt(0)).getOctets(); } else if (idSeq2.equals(SecurityIDs.ID_ADBE_REVOCATION)) { ASN1Set setout = (ASN1Set) seq2.getObjectAt(1); ASN1Sequence seqout = (ASN1Sequence) setout.getObjectAt(0); for (int j = 0; j < seqout.size(); ++j) { ASN1TaggedObject tg = (ASN1TaggedObject) seqout.getObjectAt(j); if (tg.getTagNo() == 0) { ASN1Sequence seqin = (ASN1Sequence) tg.getObject(); findCRL(seqin); } if (tg.getTagNo() == 1) { ASN1Sequence seqin = (ASN1Sequence) tg.getObject(); findOcsp(seqin); } } } else if (isCades && idSeq2.equals(SecurityIDs.ID_AA_SIGNING_CERTIFICATE_V1)) { ASN1Set setout = (ASN1Set) seq2.getObjectAt(1); ASN1Sequence seqout = (ASN1Sequence) setout.getObjectAt(0); SigningCertificate sv2 = SigningCertificate.getInstance(seqout); ESSCertID[] cerv2m = sv2.getCerts(); ESSCertID cerv2 = cerv2m[0]; byte[] enc2 = signCert.getEncoded(); MessageDigest m2 = SignUtils.getMessageDigest("SHA-1"); byte[] signCertHash = m2.digest(enc2); byte[] hs2 = cerv2.getCertHash(); if (!Arrays.equals(signCertHash, hs2)) throw new IllegalArgumentException( "Signing certificate doesn't match the ESS information."); foundCades = true; } else if (isCades && idSeq2.equals(SecurityIDs.ID_AA_SIGNING_CERTIFICATE_V2)) { ASN1Set setout = (ASN1Set) seq2.getObjectAt(1); ASN1Sequence seqout = (ASN1Sequence) setout.getObjectAt(0); SigningCertificateV2 sv2 = SigningCertificateV2.getInstance(seqout); ESSCertIDv2[] cerv2m = sv2.getCerts(); ESSCertIDv2 cerv2 = cerv2m[0]; AlgorithmIdentifier ai2 = cerv2.getHashAlgorithm(); byte[] enc2 = signCert.getEncoded(); MessageDigest m2 = SignUtils .getMessageDigest(DigestAlgorithms.getDigest(ai2.getAlgorithm().getId())); byte[] signCertHash = m2.digest(enc2); byte[] hs2 = cerv2.getCertHash(); if (!Arrays.equals(signCertHash, hs2)) throw new IllegalArgumentException( "Signing certificate doesn't match the ESS information."); foundCades = true; } } if (digestAttr == null) throw new IllegalArgumentException(PdfException.AuthenticatedAttributeIsMissingTheDigest); ++next; } if (isCades && !foundCades) throw new IllegalArgumentException("CAdES ESS information missing."); digestEncryptionAlgorithmOid = ((ASN1ObjectIdentifier) ((ASN1Sequence) signerInfo.getObjectAt(next++)) .getObjectAt(0)).getId(); digest = ((ASN1OctetString) signerInfo.getObjectAt(next++)).getOctets(); if (next < signerInfo.size() && signerInfo.getObjectAt(next) instanceof ASN1TaggedObject) { ASN1TaggedObject taggedObject = (ASN1TaggedObject) signerInfo.getObjectAt(next); ASN1Set unat = ASN1Set.getInstance(taggedObject, false); AttributeTable attble = new AttributeTable(unat); Attribute ts = attble.get(PKCSObjectIdentifiers.id_aa_signatureTimeStampToken); if (ts != null && ts.getAttrValues().size() > 0) { ASN1Set attributeValues = ts.getAttrValues(); ASN1Sequence tokenSequence = ASN1Sequence.getInstance(attributeValues.getObjectAt(0)); org.bouncycastle.asn1.cms.ContentInfo contentInfo = org.bouncycastle.asn1.cms.ContentInfo .getInstance(tokenSequence); this.timeStampToken = new TimeStampToken(contentInfo); } } if (isTsp) { org.bouncycastle.asn1.cms.ContentInfo contentInfoTsp = org.bouncycastle.asn1.cms.ContentInfo .getInstance(signedData); this.timeStampToken = new TimeStampToken(contentInfoTsp); TimeStampTokenInfo info = timeStampToken.getTimeStampInfo(); String algOID = info.getHashAlgorithm().getAlgorithm().getId(); messageDigest = DigestAlgorithms.getMessageDigestFromOid(algOID, null); } else { if (RSAdata != null || digestAttr != null) { if (PdfName.Adbe_pkcs7_sha1.equals(getFilterSubtype())) { messageDigest = DigestAlgorithms.getMessageDigest("SHA1", provider); } else { messageDigest = DigestAlgorithms.getMessageDigest(getHashAlgorithm(), provider); } encContDigest = DigestAlgorithms.getMessageDigest(getHashAlgorithm(), provider); } sig = initSignature(signCert.getPublicKey()); } } catch (Exception e) { throw new PdfException(e); } }
From source file:com.itextpdf.signatures.PdfPKCS7.java
License:Open Source License
/** * Helper method that creates the BasicOCSPResp object. * * @param seq/* www . j av a2 s.c om*/ * @throws IOException */ private void findOcsp(ASN1Sequence seq) throws IOException { basicResp = (BasicOCSPResp) null; boolean ret = false; while (true) { if (seq.getObjectAt(0) instanceof ASN1ObjectIdentifier && ((ASN1ObjectIdentifier) seq.getObjectAt(0)) .getId().equals(OCSPObjectIdentifiers.id_pkix_ocsp_basic.getId())) { break; } ret = true; for (int k = 0; k < seq.size(); ++k) { if (seq.getObjectAt(k) instanceof ASN1Sequence) { seq = (ASN1Sequence) seq.getObjectAt(0); ret = false; break; } if (seq.getObjectAt(k) instanceof ASN1TaggedObject) { ASN1TaggedObject tag = (ASN1TaggedObject) seq.getObjectAt(k); if (tag.getObject() instanceof ASN1Sequence) { seq = (ASN1Sequence) tag.getObject(); ret = false; break; } else return; } } if (ret) return; } ASN1OctetString os = (ASN1OctetString) seq.getObjectAt(1); ASN1InputStream inp = new ASN1InputStream(os.getOctets()); BasicOCSPResponse resp = BasicOCSPResponse.getInstance(inp.readObject()); basicResp = new BasicOCSPResp(resp); }
From source file:com.itextpdf.text.pdf.PdfPKCS7.java
License:Open Source License
private void findOcsp(ASN1Sequence seq) throws IOException { basicResp = null;// w w w . j a va 2 s .c o m boolean ret = false; while (true) { if (seq.getObjectAt(0) instanceof DERObjectIdentifier && ((DERObjectIdentifier) seq.getObjectAt(0)) .getId().equals(OCSPObjectIdentifiers.id_pkix_ocsp_basic.getId())) { break; } ret = true; for (int k = 0; k < seq.size(); ++k) { if (seq.getObjectAt(k) instanceof ASN1Sequence) { seq = (ASN1Sequence) seq.getObjectAt(0); ret = false; break; } if (seq.getObjectAt(k) instanceof ASN1TaggedObject) { ASN1TaggedObject tag = (ASN1TaggedObject) seq.getObjectAt(k); if (tag.getObject() instanceof ASN1Sequence) { seq = (ASN1Sequence) tag.getObject(); ret = false; break; } else return; } } if (ret) return; } DEROctetString os = (DEROctetString) seq.getObjectAt(1); ASN1InputStream inp = new ASN1InputStream(os.getOctets()); BasicOCSPResponse resp = BasicOCSPResponse.getInstance(inp.readObject()); basicResp = new BasicOCSPResp(resp); }
From source file:com.itextpdf.text.pdf.PdfPKCS7.java
License:Open Source License
/** * Verifies a signature using the sub-filter adbe.pkcs7.detached or * adbe.pkcs7.sha1./*from w w w. j a v a 2 s .c o m*/ * @param contentsKey the /Contents key * @param provider the provider or <code>null</code> for the default provider */ @SuppressWarnings("unchecked") public PdfPKCS7(byte[] contentsKey, String provider) { try { this.provider = provider; ASN1InputStream din = new ASN1InputStream(new ByteArrayInputStream(contentsKey)); // // Basic checks to make sure it's a PKCS#7 SignedData Object // DERObject pkcs; try { pkcs = din.readObject(); } catch (IOException e) { throw new IllegalArgumentException( MessageLocalization.getComposedMessage("can.t.decode.pkcs7signeddata.object")); } if (!(pkcs instanceof ASN1Sequence)) { throw new IllegalArgumentException( MessageLocalization.getComposedMessage("not.a.valid.pkcs.7.object.not.a.sequence")); } ASN1Sequence signedData = (ASN1Sequence) pkcs; DERObjectIdentifier objId = (DERObjectIdentifier) signedData.getObjectAt(0); if (!objId.getId().equals(ID_PKCS7_SIGNED_DATA)) throw new IllegalArgumentException( MessageLocalization.getComposedMessage("not.a.valid.pkcs.7.object.not.signed.data")); ASN1Sequence content = (ASN1Sequence) ((DERTaggedObject) signedData.getObjectAt(1)).getObject(); // the positions that we care are: // 0 - version // 1 - digestAlgorithms // 2 - possible ID_PKCS7_DATA // (the certificates and crls are taken out by other means) // last - signerInfos // the version version = ((DERInteger) content.getObjectAt(0)).getValue().intValue(); // the digestAlgorithms digestalgos = new HashSet<String>(); Enumeration<ASN1Sequence> e = ((ASN1Set) content.getObjectAt(1)).getObjects(); while (e.hasMoreElements()) { ASN1Sequence s = e.nextElement(); DERObjectIdentifier o = (DERObjectIdentifier) s.getObjectAt(0); digestalgos.add(o.getId()); } // the certificates X509CertParser cr = new X509CertParser(); cr.engineInit(new ByteArrayInputStream(contentsKey)); certs = cr.engineReadAll(); // the possible ID_PKCS7_DATA ASN1Sequence rsaData = (ASN1Sequence) content.getObjectAt(2); if (rsaData.size() > 1) { DEROctetString rsaDataContent = (DEROctetString) ((DERTaggedObject) rsaData.getObjectAt(1)) .getObject(); RSAdata = rsaDataContent.getOctets(); } // the signerInfos int next = 3; while (content.getObjectAt(next) instanceof DERTaggedObject) ++next; ASN1Set signerInfos = (ASN1Set) content.getObjectAt(next); if (signerInfos.size() != 1) throw new IllegalArgumentException(MessageLocalization.getComposedMessage( "this.pkcs.7.object.has.multiple.signerinfos.only.one.is.supported.at.this.time")); ASN1Sequence signerInfo = (ASN1Sequence) signerInfos.getObjectAt(0); // the positions that we care are // 0 - version // 1 - the signing certificate issuer and serial number // 2 - the digest algorithm // 3 or 4 - digestEncryptionAlgorithm // 4 or 5 - encryptedDigest signerversion = ((DERInteger) signerInfo.getObjectAt(0)).getValue().intValue(); // Get the signing certificate ASN1Sequence issuerAndSerialNumber = (ASN1Sequence) signerInfo.getObjectAt(1); X509Principal issuer = new X509Principal( issuerAndSerialNumber.getObjectAt(0).getDERObject().getEncoded()); BigInteger serialNumber = ((DERInteger) issuerAndSerialNumber.getObjectAt(1)).getValue(); for (Object element : certs) { X509Certificate cert = (X509Certificate) element; if (issuer.equals(cert.getIssuerDN()) && serialNumber.equals(cert.getSerialNumber())) { signCert = cert; break; } } if (signCert == null) { throw new IllegalArgumentException( MessageLocalization.getComposedMessage("can.t.find.signing.certificate.with.serial.1", issuer.getName() + " / " + serialNumber.toString(16))); } signCertificateChain(); digestAlgorithm = ((DERObjectIdentifier) ((ASN1Sequence) signerInfo.getObjectAt(2)).getObjectAt(0)) .getId(); next = 3; if (signerInfo.getObjectAt(next) instanceof ASN1TaggedObject) { ASN1TaggedObject tagsig = (ASN1TaggedObject) signerInfo.getObjectAt(next); ASN1Set sseq = ASN1Set.getInstance(tagsig, false); sigAttr = sseq.getEncoded(ASN1Encodable.DER); for (int k = 0; k < sseq.size(); ++k) { ASN1Sequence seq2 = (ASN1Sequence) sseq.getObjectAt(k); if (((DERObjectIdentifier) seq2.getObjectAt(0)).getId().equals(ID_MESSAGE_DIGEST)) { ASN1Set set = (ASN1Set) seq2.getObjectAt(1); digestAttr = ((DEROctetString) set.getObjectAt(0)).getOctets(); } else if (((DERObjectIdentifier) seq2.getObjectAt(0)).getId().equals(ID_ADBE_REVOCATION)) { ASN1Set setout = (ASN1Set) seq2.getObjectAt(1); ASN1Sequence seqout = (ASN1Sequence) setout.getObjectAt(0); for (int j = 0; j < seqout.size(); ++j) { ASN1TaggedObject tg = (ASN1TaggedObject) seqout.getObjectAt(j); if (tg.getTagNo() == 0) { ASN1Sequence seqin = (ASN1Sequence) tg.getObject(); findCRL(seqin); } if (tg.getTagNo() == 1) { ASN1Sequence seqin = (ASN1Sequence) tg.getObject(); findOcsp(seqin); } } } } if (digestAttr == null) throw new IllegalArgumentException(MessageLocalization .getComposedMessage("authenticated.attribute.is.missing.the.digest")); ++next; } digestEncryptionAlgorithm = ((DERObjectIdentifier) ((ASN1Sequence) signerInfo.getObjectAt(next++)) .getObjectAt(0)).getId(); digest = ((DEROctetString) signerInfo.getObjectAt(next++)).getOctets(); if (next < signerInfo.size() && signerInfo.getObjectAt(next) instanceof DERTaggedObject) { DERTaggedObject taggedObject = (DERTaggedObject) signerInfo.getObjectAt(next); ASN1Set unat = ASN1Set.getInstance(taggedObject, false); AttributeTable attble = new AttributeTable(unat); Attribute ts = attble.get(PKCSObjectIdentifiers.id_aa_signatureTimeStampToken); if (ts != null && ts.getAttrValues().size() > 0) { ASN1Set attributeValues = ts.getAttrValues(); ASN1Sequence tokenSequence = ASN1Sequence.getInstance(attributeValues.getObjectAt(0)); ContentInfo contentInfo = new ContentInfo(tokenSequence); this.timeStampToken = new TimeStampToken(contentInfo); } } if (RSAdata != null || digestAttr != null) { if (provider == null || provider.startsWith("SunPKCS11")) messageDigest = MessageDigest.getInstance(getHashAlgorithm()); else messageDigest = MessageDigest.getInstance(getHashAlgorithm(), provider); } if (provider == null) sig = Signature.getInstance(getDigestAlgorithm()); else sig = Signature.getInstance(getDigestAlgorithm(), provider); sig.initVerify(signCert.getPublicKey()); } catch (Exception e) { throw new ExceptionConverter(e); } }
From source file:com.itextpdf.text.pdf.security.PdfPKCS7.java
License:Open Source License
/** * Use this constructor if you want to verify a signature. * @param contentsKey the /Contents key//from w w w.j a v a2 s . c o m * @param filterSubtype the filtersubtype * @param provider the provider or <code>null</code> for the default provider */ @SuppressWarnings({ "unchecked" }) public PdfPKCS7(byte[] contentsKey, PdfName filterSubtype, String provider) { this.filterSubtype = filterSubtype; isTsp = PdfName.ETSI_RFC3161.equals(filterSubtype); isCades = PdfName.ETSI_CADES_DETACHED.equals(filterSubtype); try { this.provider = provider; ASN1InputStream din = new ASN1InputStream(new ByteArrayInputStream(contentsKey)); // // Basic checks to make sure it's a PKCS#7 SignedData Object // ASN1Primitive pkcs; try { pkcs = din.readObject(); } catch (IOException e) { throw new IllegalArgumentException( MessageLocalization.getComposedMessage("can.t.decode.pkcs7signeddata.object")); } if (!(pkcs instanceof ASN1Sequence)) { throw new IllegalArgumentException( MessageLocalization.getComposedMessage("not.a.valid.pkcs.7.object.not.a.sequence")); } ASN1Sequence signedData = (ASN1Sequence) pkcs; ASN1ObjectIdentifier objId = (ASN1ObjectIdentifier) signedData.getObjectAt(0); if (!objId.getId().equals(SecurityIDs.ID_PKCS7_SIGNED_DATA)) throw new IllegalArgumentException( MessageLocalization.getComposedMessage("not.a.valid.pkcs.7.object.not.signed.data")); ASN1Sequence content = (ASN1Sequence) ((ASN1TaggedObject) signedData.getObjectAt(1)).getObject(); // the positions that we care are: // 0 - version // 1 - digestAlgorithms // 2 - possible ID_PKCS7_DATA // (the certificates and crls are taken out by other means) // last - signerInfos // the version version = ((ASN1Integer) content.getObjectAt(0)).getValue().intValue(); // the digestAlgorithms digestalgos = new HashSet<String>(); Enumeration<ASN1Sequence> e = ((ASN1Set) content.getObjectAt(1)).getObjects(); while (e.hasMoreElements()) { ASN1Sequence s = e.nextElement(); ASN1ObjectIdentifier o = (ASN1ObjectIdentifier) s.getObjectAt(0); digestalgos.add(o.getId()); } // the possible ID_PKCS7_DATA ASN1Sequence rsaData = (ASN1Sequence) content.getObjectAt(2); if (rsaData.size() > 1) { ASN1OctetString rsaDataContent = (ASN1OctetString) ((ASN1TaggedObject) rsaData.getObjectAt(1)) .getObject(); RSAdata = rsaDataContent.getOctets(); } int next = 3; while (content.getObjectAt(next) instanceof ASN1TaggedObject) ++next; // the certificates /* This should work, but that's not always the case because of a bug in BouncyCastle: */ X509CertParser cr = new X509CertParser(); cr.engineInit(new ByteArrayInputStream(contentsKey)); certs = cr.engineReadAll(); /* The following workaround was provided by Alfonso Massa, but it doesn't always work either. ASN1Set certSet = null; ASN1Set crlSet = null; while (content.getObjectAt(next) instanceof ASN1TaggedObject) { ASN1TaggedObject tagged = (ASN1TaggedObject)content.getObjectAt(next); switch (tagged.getTagNo()) { case 0: certSet = ASN1Set.getInstance(tagged, false); break; case 1: crlSet = ASN1Set.getInstance(tagged, false); break; default: throw new IllegalArgumentException("unknown tag value " + tagged.getTagNo()); } ++next; } certs = new ArrayList<Certificate>(certSet.size()); CertificateFactory certFact = CertificateFactory.getInstance("X.509", new BouncyCastleProvider()); for (Enumeration en = certSet.getObjects(); en.hasMoreElements();) { ASN1Primitive obj = ((ASN1Encodable)en.nextElement()).toASN1Primitive(); if (obj instanceof ASN1Sequence) { ByteArrayInputStream stream = new ByteArrayInputStream(obj.getEncoded()); X509Certificate x509Certificate = (X509Certificate)certFact.generateCertificate(stream); stream.close(); certs.add(x509Certificate); } } */ // the signerInfos ASN1Set signerInfos = (ASN1Set) content.getObjectAt(next); if (signerInfos.size() != 1) throw new IllegalArgumentException(MessageLocalization.getComposedMessage( "this.pkcs.7.object.has.multiple.signerinfos.only.one.is.supported.at.this.time")); ASN1Sequence signerInfo = (ASN1Sequence) signerInfos.getObjectAt(0); // the positions that we care are // 0 - version // 1 - the signing certificate issuer and serial number // 2 - the digest algorithm // 3 or 4 - digestEncryptionAlgorithm // 4 or 5 - encryptedDigest signerversion = ((ASN1Integer) signerInfo.getObjectAt(0)).getValue().intValue(); // Get the signing certificate ASN1Sequence issuerAndSerialNumber = (ASN1Sequence) signerInfo.getObjectAt(1); X509Principal issuer = new X509Principal( issuerAndSerialNumber.getObjectAt(0).toASN1Primitive().getEncoded()); BigInteger serialNumber = ((ASN1Integer) issuerAndSerialNumber.getObjectAt(1)).getValue(); for (Object element : certs) { X509Certificate cert = (X509Certificate) element; if (cert.getIssuerDN().equals(issuer) && serialNumber.equals(cert.getSerialNumber())) { signCert = cert; break; } } if (signCert == null) { throw new IllegalArgumentException( MessageLocalization.getComposedMessage("can.t.find.signing.certificate.with.serial.1", issuer.getName() + " / " + serialNumber.toString(16))); } signCertificateChain(); digestAlgorithmOid = ((ASN1ObjectIdentifier) ((ASN1Sequence) signerInfo.getObjectAt(2)).getObjectAt(0)) .getId(); next = 3; boolean foundCades = false; if (signerInfo.getObjectAt(next) instanceof ASN1TaggedObject) { ASN1TaggedObject tagsig = (ASN1TaggedObject) signerInfo.getObjectAt(next); ASN1Set sseq = ASN1Set.getInstance(tagsig, false); sigAttr = sseq.getEncoded(); // maybe not necessary, but we use the following line as fallback: sigAttrDer = sseq.getEncoded(ASN1Encoding.DER); for (int k = 0; k < sseq.size(); ++k) { ASN1Sequence seq2 = (ASN1Sequence) sseq.getObjectAt(k); String idSeq2 = ((ASN1ObjectIdentifier) seq2.getObjectAt(0)).getId(); if (idSeq2.equals(SecurityIDs.ID_MESSAGE_DIGEST)) { ASN1Set set = (ASN1Set) seq2.getObjectAt(1); digestAttr = ((ASN1OctetString) set.getObjectAt(0)).getOctets(); } else if (idSeq2.equals(SecurityIDs.ID_ADBE_REVOCATION)) { ASN1Set setout = (ASN1Set) seq2.getObjectAt(1); ASN1Sequence seqout = (ASN1Sequence) setout.getObjectAt(0); for (int j = 0; j < seqout.size(); ++j) { ASN1TaggedObject tg = (ASN1TaggedObject) seqout.getObjectAt(j); if (tg.getTagNo() == 0) { ASN1Sequence seqin = (ASN1Sequence) tg.getObject(); findCRL(seqin); } if (tg.getTagNo() == 1) { ASN1Sequence seqin = (ASN1Sequence) tg.getObject(); findOcsp(seqin); } } } else if (isCades && idSeq2.equals(SecurityIDs.ID_AA_SIGNING_CERTIFICATE_V1)) { ASN1Set setout = (ASN1Set) seq2.getObjectAt(1); ASN1Sequence seqout = (ASN1Sequence) setout.getObjectAt(0); SigningCertificate sv2 = SigningCertificate.getInstance(seqout); ESSCertID[] cerv2m = sv2.getCerts(); ESSCertID cerv2 = cerv2m[0]; byte[] enc2 = signCert.getEncoded(); MessageDigest m2 = new BouncyCastleDigest().getMessageDigest("SHA-1"); byte[] signCertHash = m2.digest(enc2); byte[] hs2 = cerv2.getCertHash(); if (!Arrays.equals(signCertHash, hs2)) throw new IllegalArgumentException( "Signing certificate doesn't match the ESS information."); foundCades = true; } else if (isCades && idSeq2.equals(SecurityIDs.ID_AA_SIGNING_CERTIFICATE_V2)) { ASN1Set setout = (ASN1Set) seq2.getObjectAt(1); ASN1Sequence seqout = (ASN1Sequence) setout.getObjectAt(0); SigningCertificateV2 sv2 = SigningCertificateV2.getInstance(seqout); ESSCertIDv2[] cerv2m = sv2.getCerts(); ESSCertIDv2 cerv2 = cerv2m[0]; AlgorithmIdentifier ai2 = cerv2.getHashAlgorithm(); byte[] enc2 = signCert.getEncoded(); MessageDigest m2 = new BouncyCastleDigest() .getMessageDigest(DigestAlgorithms.getDigest(ai2.getAlgorithm().getId())); byte[] signCertHash = m2.digest(enc2); byte[] hs2 = cerv2.getCertHash(); if (!Arrays.equals(signCertHash, hs2)) throw new IllegalArgumentException( "Signing certificate doesn't match the ESS information."); foundCades = true; } } if (digestAttr == null) throw new IllegalArgumentException(MessageLocalization .getComposedMessage("authenticated.attribute.is.missing.the.digest")); ++next; } if (isCades && !foundCades) throw new IllegalArgumentException("CAdES ESS information missing."); digestEncryptionAlgorithmOid = ((ASN1ObjectIdentifier) ((ASN1Sequence) signerInfo.getObjectAt(next++)) .getObjectAt(0)).getId(); digest = ((ASN1OctetString) signerInfo.getObjectAt(next++)).getOctets(); if (next < signerInfo.size() && signerInfo.getObjectAt(next) instanceof ASN1TaggedObject) { ASN1TaggedObject taggedObject = (ASN1TaggedObject) signerInfo.getObjectAt(next); ASN1Set unat = ASN1Set.getInstance(taggedObject, false); AttributeTable attble = new AttributeTable(unat); Attribute ts = attble.get(PKCSObjectIdentifiers.id_aa_signatureTimeStampToken); if (ts != null && ts.getAttrValues().size() > 0) { ASN1Set attributeValues = ts.getAttrValues(); ASN1Sequence tokenSequence = ASN1Sequence.getInstance(attributeValues.getObjectAt(0)); ContentInfo contentInfo = new ContentInfo(tokenSequence); this.timeStampToken = new TimeStampToken(contentInfo); } } if (isTsp) { ContentInfo contentInfoTsp = new ContentInfo(signedData); this.timeStampToken = new TimeStampToken(contentInfoTsp); TimeStampTokenInfo info = timeStampToken.getTimeStampInfo(); String algOID = info.getMessageImprintAlgOID().getId(); messageDigest = DigestAlgorithms.getMessageDigestFromOid(algOID, null); } else { if (RSAdata != null || digestAttr != null) { if (PdfName.ADBE_PKCS7_SHA1.equals(getFilterSubtype())) { messageDigest = DigestAlgorithms.getMessageDigest("SHA1", provider); } else { messageDigest = DigestAlgorithms.getMessageDigest(getHashAlgorithm(), provider); } encContDigest = DigestAlgorithms.getMessageDigest(getHashAlgorithm(), provider); } sig = initSignature(signCert.getPublicKey()); } } catch (Exception e) { throw new ExceptionConverter(e); } }
From source file:com.itextpdf.text.pdf.security.PdfPKCS7.java
License:Open Source License
/** * Helper method that creates the BasicOCSPResp object. * @param seq/*from w ww.j a va2 s. co m*/ * @throws IOException */ private void findOcsp(ASN1Sequence seq) throws IOException { basicResp = null; boolean ret = false; while (true) { if (seq.getObjectAt(0) instanceof ASN1ObjectIdentifier && ((ASN1ObjectIdentifier) seq.getObjectAt(0)) .getId().equals(OCSPObjectIdentifiers.id_pkix_ocsp_basic.getId())) { break; } ret = true; for (int k = 0; k < seq.size(); ++k) { if (seq.getObjectAt(k) instanceof ASN1Sequence) { seq = (ASN1Sequence) seq.getObjectAt(0); ret = false; break; } if (seq.getObjectAt(k) instanceof ASN1TaggedObject) { ASN1TaggedObject tag = (ASN1TaggedObject) seq.getObjectAt(k); if (tag.getObject() instanceof ASN1Sequence) { seq = (ASN1Sequence) tag.getObject(); ret = false; break; } else return; } } if (ret) return; } ASN1OctetString os = (ASN1OctetString) seq.getObjectAt(1); ASN1InputStream inp = new ASN1InputStream(os.getOctets()); BasicOCSPResponse resp = BasicOCSPResponse.getInstance(inp.readObject()); basicResp = new BasicOCSPResp(resp); }
From source file:com.jlocksmith.util.ExtensionUtil.java
License:Open Source License
/** * Get Crl Distribution Points String Value * /*from ww w. j ava2s . com*/ * @param bytes * @return * @throws IOException */ private String getCrlDistributionPointsStringValue(byte[] bytes) throws IOException { CRLDistPoint dps = CRLDistPoint.getInstance(toDERObject(bytes)); DistributionPoint[] points = dps.getDistributionPoints(); StringBuffer sb = new StringBuffer(); for (int i = 0, len = points.length; i < len; i++) { DistributionPoint point = points[i]; DistributionPointName dpn; if ((dpn = point.getDistributionPoint()) != null) { ASN1TaggedObject tagObj = (ASN1TaggedObject) dpn.toASN1Object(); switch (tagObj.getTagNo()) { case DistributionPointName.FULL_NAME: sb.append(localeUtil.getString("CrlDistributionPoint.0.0")); sb.append('\n'); ASN1Sequence seq = (ASN1Sequence) tagObj.getObject(); for (int j = 0, nLen = seq.size(); j < nLen; j++) { sb.append('\t'); sb.append(getGeneralNameString((DERTaggedObject) seq.getObjectAt(j))); sb.append('\n'); } break; case DistributionPointName.NAME_RELATIVE_TO_CRL_ISSUER: sb.append(localeUtil.getString("CrlDistributionPoint.0.1")); sb.append('\t'); sb.append(tagObj.getObject()); sb.append('\n'); break; default: break; } } ReasonFlags flags; if ((flags = point.getReasons()) != null) { sb.append(localeUtil.getString("CrlDistributionPoint.1")); sb.append('\t'); sb.append(flags); sb.append('\n'); } GeneralNames issuer; if ((issuer = point.getCRLIssuer()) != null) { sb.append(localeUtil.getString("CrlDistributionPoint.2")); sb.append('\n'); ASN1Sequence seq = (ASN1Sequence) issuer.getDERObject(); for (int j = 0, iLen = seq.size(); j < iLen; j++) { sb.append('\t'); sb.append(getGeneralNameString((DERTaggedObject) seq.getObjectAt(j))); sb.append('\n'); } } } return sb.toString(); }