List of usage examples for org.bouncycastle.asn1 ASN1Set getInstance
public static ASN1Set getInstance(ASN1TaggedObject taggedObject, boolean explicit)
From source file:com.guardtime.asn1.SignatureInfo.java
License:Apache License
public Asn1SignatureInfo(ASN1Sequence seq) { Enumeration en = seq.getObjects(); // Required elements signatureAlgorithm = AlgorithmIdentifier.getInstance(en.nextElement()); signatureValue = ASN1OctetString.getInstance(en.nextElement()); // Optional elements while (en.hasMoreElements()) { ASN1TaggedObject obj = ASN1TaggedObject.getInstance(en.nextElement()); if (obj.getTagNo() == 0 && pkiReferences == null) { pkiReferences = ASN1Set.getInstance(obj, false); } else {//from www . j a v a 2 s. co m throw new IllegalArgumentException("invalid object in factory: " + obj); } } }
From source file:com.guardtime.asn1.TimeSignature.java
License:Apache License
public Asn1TimeSignature(ASN1Sequence seq) { Enumeration en = seq.getObjects(); // Required elements location = ASN1OctetString.getInstance(en.nextElement()); history = ASN1OctetString.getInstance(en.nextElement()); publishedData = Asn1PublishedData.getInstance(en.nextElement()); // Optional elements while (en.hasMoreElements()) { ASN1TaggedObject obj = ASN1TaggedObject.getInstance(en.nextElement()); int tag = obj.getTagNo(); if (tag == 0 && pkSignature == null) { pkSignature = Asn1SignatureInfo.getInstance(obj, false); } else if (tag == 1 && pubReferences == null) { pubReferences = ASN1Set.getInstance(obj, false); } else {/*from w w w .j a v a 2 s . c om*/ throw new IllegalArgumentException("invalid object in factory: " + obj); } } }
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 w w w .j av a2s. 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.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 a2 s .co 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 ww .j a v a 2 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:es.uji.security.crypto.pdf.PdfPKCS7TSA.java
License:Mozilla Public License
/** * Verifies a signature using the sub-filter adbe.pkcs7.detached or * adbe.pkcs7.sha1. * @param contentsKey the /Contents key * @param provider the provider or <code>null</code> for the default provider *///from w ww. j a v a 2 s . c o m public PdfPKCS7TSA(byte[] contentsKey, Provider 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("can't decode PKCS7SignedData object"); } if (!(pkcs instanceof ASN1Sequence)) { throw new IllegalArgumentException("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("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(); Enumeration e = ((ASN1Set) content.getObjectAt(1)).getObjects(); while (e.hasMoreElements()) { ASN1Sequence s = (ASN1Sequence) e.nextElement(); DERObjectIdentifier o = (DERObjectIdentifier) s.getObjectAt(0); digestalgos.add(o.getId()); } // the certificates and crls X509CertParser cr = new X509CertParser(); cr.engineInit(new ByteArrayInputStream(contentsKey)); certs = cr.engineReadAll(); X509CRLParser cl = new X509CRLParser(); cl.engineInit(new ByteArrayInputStream(contentsKey)); crls = cl.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( "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 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); BigInteger serialNumber = ((DERInteger) issuerAndSerialNumber.getObjectAt(1)).getValue(); for (Iterator i = certs.iterator(); i.hasNext();) { X509Certificate cert = (X509Certificate) i.next(); if (serialNumber.equals(cert.getSerialNumber())) { signCert = cert; break; } } if (signCert == null) { throw new IllegalArgumentException( "Can't find signing certificate with serial " + 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() != 1) continue; ASN1Sequence seqin = (ASN1Sequence) tg.getObject(); findOcsp(seqin); } } } if (digestAttr == null) throw new IllegalArgumentException("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) { ASN1Set attributeValues = ts.getAttrValues(); ASN1Sequence tokenSequence = ASN1Sequence.getInstance(attributeValues.getObjectAt(0)); ContentInfo contentInfo = new ContentInfo(tokenSequence); this.timeStampToken = new TimestampToken(contentInfo.getEncoded()); } } if (RSAdata != null || digestAttr != null) { if (provider == null || provider.getName().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:org.icepdf.core.pobjects.acroform.signature.AbstractPkcsValidator.java
License:Apache License
/** * SignedData ::= SEQUENCE {// w w w. java 2 s. c o m * 0, version CMSVersion, * 1, digestAlgorithms DigestAlgorithmIdentifiers, * 2, encapContentInfo EncapsulatedContentInfo, * 3, certificateChain [0] IMPLICIT CertificateSet OPTIONAL, * 4, crls [1] IMPLICIT RevocationInfoChoices OPTIONAL, * 5, signerInfos SignerInfos } * <p/> * DigestAlgorithmIdentifiers ::= SET OF DigestAlgorithmIdentifier * SignerInfos ::= SET OF SignerInfo */ protected void parseSignerData(ASN1Sequence signedData, byte[] cmsData) throws SignatureIntegrityException { // digest algorithms ID, not currently using them but useful for debug. if (logger.isLoggable(Level.FINER)) { // should always be 1. int cmsVersion = ((ASN1Integer) signedData.getObjectAt(0)).getValue().intValue(); logger.finest("CMS version: " + cmsVersion); Enumeration<ASN1Sequence> enumeration = ((ASN1Set) signedData.getObjectAt(1)).getObjects(); while (enumeration.hasMoreElements()) { String objectId = ((ASN1ObjectIdentifier) enumeration.nextElement().getObjectAt(0)).getId(); try { String digestAlgorithmName = AlgorithmIdentifier.getDigestAlgorithmName(objectId); MessageDigest tmp = AlgorithmIdentifier.getDigestInstance(objectId, null); logger.finest("DigestAlgorithmIdentifiers: " + digestAlgorithmName + " " + objectId); logger.finest(tmp.toString()); } catch (Throwable ex) { logger.log(Level.WARNING, "Error finding iod: " + objectId, ex); } } } /** * EncapsulatedContentInfo ::= SEQUENCE { * eContentType ContentType, * eContent [0] EXPLICIT OCTET STRING OPTIONAL } * * ContentType ::= OBJECT IDENTIFIER */ encapsulatedContentInfoData = null; ASN1Sequence encapsulatedContentInfo = (ASN1Sequence) signedData.getObjectAt(2); // grab just the first definitions, as we are looking for encapuslated data for PKCS7.sha1. if (encapsulatedContentInfo.size() >= 2) { // should still be iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) pkcs7(7) 1 ... ASN1ObjectIdentifier eObjectIdentifier = (ASN1ObjectIdentifier) encapsulatedContentInfo.getObjectAt(0); String eObjectIdentifierId = eObjectIdentifier.getId(); if (logger.isLoggable(Level.FINER)) { logger.finest("EncapsulatedContentInfo: " + eObjectIdentifierId + " " + Pkcs7Validator.getObjectIdName(eObjectIdentifierId)); } // should be octets encode as pkcs#7 ASN1OctetString eContent = (ASN1OctetString) ((ASN1TaggedObject) encapsulatedContentInfo.getObjectAt(1)) .getObject(); // shows up in pkcs7.sha1 only encapsulatedContentInfoData = eContent.getOctets(); if (logger.isLoggable(Level.FINER)) { logger.finest("EncapsulatedContentInfo Data " + eContent.toString()); } } else if (encapsulatedContentInfo.size() == 1) { if (logger.isLoggable(Level.FINER)) { ASN1ObjectIdentifier eObjectIdentifier = (ASN1ObjectIdentifier) encapsulatedContentInfo .getObjectAt(0); String eObjectIdentifierId = eObjectIdentifier.getId(); logger.finest("EncapsulatedContentInfo size is 1: " + eObjectIdentifierId + " " + Pkcs7Validator.getObjectIdName(eObjectIdentifierId)); } } // grab the signer info. ASN1Sequence signerInfo = parseCertificateData(cmsData, signedData); // DigestAlgorithmIdentifier ::= AlgorithmIdentifier digestAlgorithmIdentifier = ((ASN1ObjectIdentifier) ((ASN1Sequence) signerInfo.getObjectAt(2)) .getObjectAt(0)).getId(); // signedAttrs [0] IMPLICIT SignedAttributes OPTIONAL, // signedAttrs is optional so we look for the occurrence // // SignedAttributes ::= SET SIZE (1..MAX) OF Attribute // // Attribute ::= SEQUENCE { // attrType OBJECT IDENTIFIER, // attrValues SET OF AttributeValue } // // AttributeValue ::= ANY // SignatureValue ::= OCTET STRING int nextEntry = 3; messageDigest = null; ASN1TaggedObject signedAttributes; signedAttributesSequence = null; if (signerInfo.getObjectAt(nextEntry) instanceof ASN1TaggedObject) { signedAttributes = (ASN1TaggedObject) signerInfo.getObjectAt(nextEntry); signedAttributesSequence = ASN1Set.getInstance(signedAttributes, false); for (int i = 0, max = signedAttributesSequence.size(); i < max; ++i) { // attribute type/value pair. ASN1Sequence attributePair = (ASN1Sequence) signedAttributesSequence.getObjectAt(i); // mainly just looking for the message digest. if (((ASN1ObjectIdentifier) attributePair.getObjectAt(0)).getId() .equals(PKCSObjectIdentifiers.pkcs_9_at_messageDigest.getId())) { ASN1Set set = (ASN1Set) attributePair.getObjectAt(1); messageDigest = ((ASN1OctetString) set.getObjectAt(0)).getOctets(); } // try and pull out the signing time. // currently not using this time. // if (((ASN1ObjectIdentifier) attributePair.getObjectAt(0)).getId().equals( // PKCSObjectIdentifiers.pkcs_9_at_signingTime.getId())) { // ASN1Set set = (ASN1Set) attributePair.getObjectAt(1); // ASN1UTCTime signerTime = ((ASN1UTCTime) set.getObjectAt(0)); // try { // // see if the signer time matches the certificate validity times. // System.out.println(" SignatureSigner Time " + signerTime.getDate()); // } catch (ParseException e) { // e.printStackTrace(); // } // } // more attributes to come. } if (messageDigest == null) { throw new SignatureIntegrityException("Message Digest can nut be null"); } ++nextEntry; } // signatureAlgorithm SignatureAlgorithmIdentifier, signatureAlgorithmIdentifier = ((ASN1ObjectIdentifier) ((ASN1Sequence) signerInfo.getObjectAt(nextEntry)) .getObjectAt(0)).getId(); nextEntry++; // signature SignatureValue signatureValue = ((ASN1OctetString) signerInfo.getObjectAt(nextEntry)).getOctets(); nextEntry++; // unsignedAttrs [1] IMPLICIT UnsignedAttributes OPTIONAL // once again optional so we check to see if the entry is available. if (nextEntry < signerInfo.size() && signerInfo.getObjectAt(nextEntry) instanceof ASN1TaggedObject) { ASN1TaggedObject unsignedAttributes = (ASN1TaggedObject) signerInfo.getObjectAt(nextEntry); ASN1Set unsignedAttributeSequence = ASN1Set.getInstance(unsignedAttributes, false); AttributeTable attributeTable = new AttributeTable(unsignedAttributeSequence); Attribute timeStamp = attributeTable.get(PKCSObjectIdentifiers.id_aa_signatureTimeStampToken); if (timeStamp != null && timeStamp.getAttrValues().size() > 0) { ASN1Set attributeValues = timeStamp.getAttrValues(); ASN1Sequence tokenSequence = ASN1Sequence.getInstance(attributeValues.getObjectAt(0)); ContentInfo contentInfo = ContentInfo.getInstance(tokenSequence); // if we can parse it we call it good, so cert has a embedded time but we don't do any validation on it try { new TimeStampToken(contentInfo); isEmbeddedTimeStamp = true; } catch (Throwable e1) { throw new SignatureIntegrityException("Valid TimeStamp could now be created"); } } } }
From source file:org.jruby.ext.openssl.impl.SignerInfoWithPkey.java
License:LGPL
public SignerInfoWithPkey(ASN1Sequence seq) { Enumeration e = seq.getObjects(); version = (ASN1Integer) e.nextElement(); issuerAndSerialNumber = IssuerAndSerialNumber.getInstance(e.nextElement()); digAlgorithm = AlgorithmIdentifier.getInstance(e.nextElement()); Object obj = e.nextElement(); if (obj instanceof ASN1TaggedObject) { authenticatedAttributes = ASN1Set.getInstance((ASN1TaggedObject) obj, false); digEncryptionAlgorithm = AlgorithmIdentifier.getInstance(e.nextElement()); } else {/*from ww w. ja va 2 s . c o m*/ authenticatedAttributes = null; digEncryptionAlgorithm = AlgorithmIdentifier.getInstance(obj); } encryptedDigest = ASN1OctetString.getInstance(e.nextElement()); if (e.hasMoreElements()) { unauthenticatedAttributes = ASN1Set.getInstance((ASN1TaggedObject) e.nextElement(), false); } else { unauthenticatedAttributes = null; } }