public CmsAuthenticatedDataParser( Stream envelopedData) : base(envelopedData) { this.authAttrNotRead = true; this.authData = new AuthenticatedDataParser( (Asn1SequenceParser)contentInfo.GetContent(Asn1Tags.Sequence)); // TODO Validate version? //DerInteger version = this.authData.getVersion(); // // read the recipients // Asn1Set recipientInfos = Asn1Set.GetInstance(authData.GetRecipientInfos().ToAsn1Object()); this.macAlg = authData.GetMacAlgorithm(); // // read the authenticated content info // ContentInfoParser data = authData.GetEnapsulatedContentInfo(); CmsReadable readable = new CmsProcessableInputStream( ((Asn1OctetStringParser)data.GetContent(Asn1Tags.OctetString)).GetOctetStream()); CmsSecureReadable secureReadable = new CmsEnvelopedHelper.CmsAuthenticatedSecureReadable( this.macAlg, readable); // // build the RecipientInformationStore // this._recipientInfoStore = CmsEnvelopedHelper.BuildRecipientInformationStore( recipientInfos, secureReadable); }
public CmsSignedDataParser(CmsTypedStream signedContent, Stream sigData) : base(sigData) { //IL_0130: Expected O, but got Unknown try { _signedContent = signedContent; _signedData = SignedDataParser.GetInstance(contentInfo.GetContent(16)); _digests = Platform.CreateHashtable(); _digestOids = new HashSet(); Asn1SetParser digestAlgorithms = _signedData.GetDigestAlgorithms(); IAsn1Convertible asn1Convertible; while ((asn1Convertible = digestAlgorithms.ReadObject()) != null) { AlgorithmIdentifier instance = AlgorithmIdentifier.GetInstance(asn1Convertible.ToAsn1Object()); try { string id = instance.Algorithm.Id; string digestAlgName = Helper.GetDigestAlgName(id); if (!_digests.Contains((object)digestAlgName)) { _digests.set_Item((object)digestAlgName, (object)Helper.GetDigestInstance(digestAlgName)); _digestOids.Add(id); } } catch (SecurityUtilityException) { } } ContentInfoParser encapContentInfo = _signedData.GetEncapContentInfo(); Asn1OctetStringParser asn1OctetStringParser = (Asn1OctetStringParser)encapContentInfo.GetContent(4); if (asn1OctetStringParser != null) { CmsTypedStream cmsTypedStream = new CmsTypedStream(encapContentInfo.ContentType.Id, asn1OctetStringParser.GetOctetStream()); if (_signedContent == null) { _signedContent = cmsTypedStream; } else { cmsTypedStream.Drain(); } } _signedContentType = ((_signedContent == null) ? encapContentInfo.ContentType : new DerObjectIdentifier(_signedContent.ContentType)); } catch (IOException val) { IOException val2 = val; throw new CmsException("io exception: " + ((global::System.Exception)(object) val2).get_Message(), (global::System.Exception)(object) val2); } }
public CmsTypedStream GetContent() { try { CompressedDataParser compressedDataParser = new CompressedDataParser((Asn1SequenceParser)contentInfo.GetContent(16)); ContentInfoParser encapContentInfo = compressedDataParser.GetEncapContentInfo(); Asn1OctetStringParser asn1OctetStringParser = (Asn1OctetStringParser)encapContentInfo.GetContent(4); return(new CmsTypedStream(encapContentInfo.ContentType.ToString(), new ZInputStream(asn1OctetStringParser.GetOctetStream()))); } catch (IOException e) { throw new CmsException("IOException reading compressed content.", e); } }
public CmsSignedDataParser(CmsTypedStream signedContent, Stream sigData) : base(sigData) { try { this._signedContent = signedContent; this._signedData = SignedDataParser.GetInstance(this.contentInfo.GetContent(16)); this._digests = Platform.CreateHashtable(); this._digestOids = new HashSet(); Asn1SetParser digestAlgorithms = this._signedData.GetDigestAlgorithms(); IAsn1Convertible asn1Convertible; while ((asn1Convertible = digestAlgorithms.ReadObject()) != null) { AlgorithmIdentifier instance = AlgorithmIdentifier.GetInstance(asn1Convertible.ToAsn1Object()); try { string id = instance.ObjectID.Id; string digestAlgName = CmsSignedDataParser.Helper.GetDigestAlgName(id); if (!this._digests.Contains(digestAlgName)) { this._digests[digestAlgName] = CmsSignedDataParser.Helper.GetDigestInstance(digestAlgName); this._digestOids.Add(id); } } catch (SecurityUtilityException) { } } ContentInfoParser encapContentInfo = this._signedData.GetEncapContentInfo(); Asn1OctetStringParser asn1OctetStringParser = (Asn1OctetStringParser)encapContentInfo.GetContent(4); if (asn1OctetStringParser != null) { CmsTypedStream cmsTypedStream = new CmsTypedStream(encapContentInfo.ContentType.Id, asn1OctetStringParser.GetOctetStream()); if (this._signedContent == null) { this._signedContent = cmsTypedStream; } else { cmsTypedStream.Drain(); } } this._signedContentType = ((this._signedContent == null) ? encapContentInfo.ContentType : new DerObjectIdentifier(this._signedContent.ContentType)); } catch (IOException ex) { throw new CmsException("io exception: " + ex.Message, ex); } }
public CmsTypedStream GetContent() { try { CompressedDataParser comData = new CompressedDataParser((Asn1SequenceParser)this.contentInfo.GetContent(Asn1Tags.Sequence)); ContentInfoParser content = comData.GetEncapContentInfo(); Asn1OctetStringParser bytes = (Asn1OctetStringParser)content.GetContent(Asn1Tags.OctetString); return(new CmsTypedStream(content.ContentType.ToString(), new ZInputStream(bytes.GetOctetStream()))); } catch (IOException e) { throw new CmsException("IOException reading compressed content.", e); } }
public CmsTypedStream GetContent() { //IL_004c: Expected O, but got Unknown try { CompressedDataParser compressedDataParser = new CompressedDataParser((Asn1SequenceParser)contentInfo.GetContent(16)); ContentInfoParser encapContentInfo = compressedDataParser.GetEncapContentInfo(); Asn1OctetStringParser asn1OctetStringParser = (Asn1OctetStringParser)encapContentInfo.GetContent(4); return(new CmsTypedStream(encapContentInfo.ContentType.ToString(), (Stream)(object)new ZInputStream(asn1OctetStringParser.GetOctetStream()))); } catch (IOException val) { IOException e = val; throw new CmsException("IOException reading compressed content.", (global::System.Exception)(object) e); } }
private void ParseEnveloped( byte[] data) { Asn1StreamParser aIn = new Asn1StreamParser(data); ContentInfoParser cP = new ContentInfoParser((Asn1SequenceParser)aIn.ReadObject()); EnvelopedDataParser eP = new EnvelopedDataParser((Asn1SequenceParser)cP.GetContent(Asn1Tags.Sequence)); eP.GetRecipientInfos().ToAsn1Object(); // Must drain the parser! EncryptedContentInfoParser ecP = eP.GetEncryptedContentInfo(); Asn1OctetStringParser content = (Asn1OctetStringParser)ecP.GetEncryptedContent(Asn1Tags.OctetString); Streams.Drain(content.GetOctetStream()); }
public CmsAuthenticatedDataParser( Stream envelopedData) : base(envelopedData) { this.authAttrNotRead = true; this.authData = new AuthenticatedDataParser( (Asn1SequenceParser)contentInfo.GetContent(Asn1Tags.Sequence)); // TODO Validate version? //DerInteger version = this.authData.getVersion(); // // load the RecipientInfoStore // Asn1SetParser s = authData.GetRecipientInfos(); IList baseInfos = new ArrayList(); IAsn1Convertible entry; while ((entry = s.ReadObject()) != null) { baseInfos.Add(RecipientInfo.GetInstance(entry.ToAsn1Object())); } this.macAlg = authData.GetMacAlgorithm(); // // read the encrypted content info // ContentInfoParser data = authData.GetEnapsulatedContentInfo(); // // prime the recipients // Stream contentStream = ((Asn1OctetStringParser)data.GetContent(Asn1Tags.OctetString)).GetOctetStream(); IList infos = CmsEnvelopedHelper.ReadRecipientInfos( baseInfos, contentStream, null, macAlg, null); _recipientInfoStore = new RecipientInformationStore(infos); }
/** * base constructor * * @param signedContent the content that was signed. * @param sigData the signature object. */ public CmsSignedDataParser( CmsTypedStream signedContent, Stream sigData) : base(sigData) { try { this._signedContent = signedContent; this._signedData = SignedDataParser.GetInstance(this.contentInfo.GetContent(Asn1Tags.Sequence)); this._digests = Platform.CreateHashtable(); this._digestOids = new HashSet(); Asn1SetParser digAlgs = _signedData.GetDigestAlgorithms(); IAsn1Convertible o; while ((o = digAlgs.ReadObject()) != null) { AlgorithmIdentifier id = AlgorithmIdentifier.GetInstance(o.ToAsn1Object()); try { string digestOid = id.ObjectID.Id; string digestName = Helper.GetDigestAlgName(digestOid); if (!this._digests.Contains(digestName)) { this._digests[digestName] = Helper.GetDigestInstance(digestName); this._digestOids.Add(digestOid); } } catch (SecurityUtilityException) { // TODO Should do something other than ignore it } } // // If the message is simply a certificate chain message GetContent() may return null. // ContentInfoParser cont = _signedData.GetEncapContentInfo(); Asn1OctetStringParser octs = (Asn1OctetStringParser) cont.GetContent(Asn1Tags.OctetString); if (octs != null) { CmsTypedStream ctStr = new CmsTypedStream( cont.ContentType.Id, octs.GetOctetStream()); if (_signedContent == null) { this._signedContent = ctStr; } else { // // content passed in, need to read past empty encapsulated content info object if present // ctStr.Drain(); } } _signedContentType = _signedContent == null ? cont.ContentType : new DerObjectIdentifier(_signedContent.ContentType); } catch (IOException e) { throw new CmsException("io exception: " + e.Message, e); } if (_digests.Count < 1) { throw new CmsException("no digests could be created for message."); } }
public CmsAuthenticatedDataParser(Stream envelopedData) : base(envelopedData) { authAttrNotRead = true; authData = new AuthenticatedDataParser((Asn1SequenceParser)contentInfo.GetContent(16)); Asn1Set instance = Asn1Set.GetInstance(authData.GetRecipientInfos().ToAsn1Object()); macAlg = authData.GetMacAlgorithm(); ContentInfoParser enapsulatedContentInfo = authData.GetEnapsulatedContentInfo(); CmsReadable readable = new CmsProcessableInputStream(((Asn1OctetStringParser)enapsulatedContentInfo.GetContent(4)).GetOctetStream()); CmsSecureReadable secureReadable = new CmsEnvelopedHelper.CmsAuthenticatedSecureReadable(macAlg, readable); _recipientInfoStore = CmsEnvelopedHelper.BuildRecipientInformationStore(instance, secureReadable); }
private ITestResult EnvelopedTest() { try { // Key trans ContentInfo info = ContentInfo.GetInstance( Asn1Object.FromByteArray(envDataKeyTrns)); EnvelopedData envData = EnvelopedData.GetInstance(info.Content); Asn1Set s = envData.RecipientInfos; if (s.Count != 1) { return(new SimpleTestResult(false, Name + ": CMS KeyTrans enveloped, wrong number of recipients")); } RecipientInfo recip = RecipientInfo.GetInstance(s[0]); if (recip.Info is KeyTransRecipientInfo) { KeyTransRecipientInfo inf = KeyTransRecipientInfo.GetInstance(recip.Info); inf = new KeyTransRecipientInfo(inf.RecipientIdentifier, inf.KeyEncryptionAlgorithm, inf.EncryptedKey); s = new DerSet(new RecipientInfo(inf)); } else { return(new SimpleTestResult(false, Name + ": CMS KeyTrans enveloped, wrong recipient type")); } envData = new EnvelopedData(envData.OriginatorInfo, s, envData.EncryptedContentInfo, envData.UnprotectedAttrs); info = new ContentInfo(CmsObjectIdentifiers.EnvelopedData, envData); if (!Arrays.AreEqual(info.GetEncoded(), envDataKeyTrns)) { return(new SimpleTestResult(false, Name + ": CMS KeyTrans enveloped failed to re-encode")); } // KEK info = ContentInfo.GetInstance( Asn1Object.FromByteArray(envDataKEK)); envData = EnvelopedData.GetInstance(info.Content); s = envData.RecipientInfos; if (s.Count != 1) { return(new SimpleTestResult(false, Name + ": CMS KEK enveloped, wrong number of recipients")); } recip = RecipientInfo.GetInstance(s[0]); if (recip.Info is KekRecipientInfo) { KekRecipientInfo inf = KekRecipientInfo.GetInstance(recip.Info); inf = new KekRecipientInfo(inf.KekID, inf.KeyEncryptionAlgorithm, inf.EncryptedKey); s = new DerSet(new RecipientInfo(inf)); } else { return(new SimpleTestResult(false, Name + ": CMS KEK enveloped, wrong recipient type")); } envData = new EnvelopedData(envData.OriginatorInfo, s, envData.EncryptedContentInfo, envData.UnprotectedAttrs); info = new ContentInfo(CmsObjectIdentifiers.EnvelopedData, envData); if (!Arrays.AreEqual(info.GetEncoded(), envDataKEK)) { return(new SimpleTestResult(false, Name + ": CMS KEK enveloped failed to re-encode")); } // Nested NDEF problem Asn1StreamParser asn1In = new Asn1StreamParser(new MemoryStream(envDataNestedNDEF, false)); ContentInfoParser ci = new ContentInfoParser((Asn1SequenceParser)asn1In.ReadObject()); EnvelopedDataParser ed = new EnvelopedDataParser((Asn1SequenceParser)ci .GetContent(Asn1Tags.Sequence)); Touch(ed.Version); ed.GetOriginatorInfo(); ed.GetRecipientInfos().ToAsn1Object(); EncryptedContentInfoParser eci = ed.GetEncryptedContentInfo(); Touch(eci.ContentType); Touch(eci.ContentEncryptionAlgorithm); Stream dataIn = ((Asn1OctetStringParser)eci.GetEncryptedContent(Asn1Tags.OctetString)) .GetOctetStream(); Streams.Drain(dataIn); dataIn.Close(); // Test data doesn't have unprotected attrs, bug was being thrown by this call Asn1SetParser upa = ed.GetUnprotectedAttrs(); if (upa != null) { upa.ToAsn1Object(); } return(new SimpleTestResult(true, Name + ": Okay")); } catch (Exception e) { return(new SimpleTestResult(false, Name + ": CMS enveloped failed - " + e.ToString(), e)); } }
/** * 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 certsAndCrls the new certificates and CRLs to be used. * @param out the stream to Write the new signed data object to. * @return out. * @exception CmsException if there is an error processing the CertStore */ public static Stream ReplaceCertificatesAndCrls( Stream original, IX509Store x509Certs, IX509Store x509Crls, IX509Store x509AttrCerts, Stream outStr) { if (x509AttrCerts != null) { throw new NotImplementedException("Currently can't replace attribute certificates"); } Asn1StreamParser inStr = new Asn1StreamParser(original, CmsUtilities.MaximumMemory); ContentInfoParser contentInfo = new ContentInfoParser((Asn1SequenceParser)inStr.ReadObject()); SignedDataParser signedData = SignedDataParser.GetInstance(contentInfo.GetContent(Asn1Tags.Sequence)); BerSequenceGenerator sGen = new BerSequenceGenerator(outStr); sGen.AddObject(CmsObjectIdentifiers.SignedData); BerSequenceGenerator sigGen = new BerSequenceGenerator(sGen.GetRawOutputStream(), 0, true); // version number sigGen.AddObject(signedData.Version); // digests WriteToGenerator(sigGen, signedData.GetDigestAlgorithms().ToAsn1Object()); // encap content info ContentInfoParser encapContentInfo = signedData.GetEncapContentInfo(); BerSequenceGenerator eiGen = new BerSequenceGenerator(sigGen.GetRawOutputStream()); eiGen.AddObject(encapContentInfo.ContentType); Asn1OctetStringParser octs = (Asn1OctetStringParser)encapContentInfo.GetContent(Asn1Tags.OctetString); if (octs != null) { BerOctetStringGenerator octGen = new BerOctetStringGenerator(eiGen.GetRawOutputStream(), 0, true); byte[] inBuffer = new byte[4096]; byte[] outBuffer = new byte[4096]; Stream inOctets = octs.GetOctetStream(); Stream outOctets = octGen.GetOctetOutputStream(outBuffer); int len; while ((len = inOctets.Read(inBuffer, 0, inBuffer.Length)) > 0) { outOctets.Write(inBuffer, 0, len); } outOctets.Close(); } eiGen.Close(); // // skip existing certs and CRLs // Asn1SetParser set = signedData.GetCertificates(); if (set != null) { set.ToAsn1Object(); } set = signedData.GetCrls(); if (set != null) { set.ToAsn1Object(); } // // replace the certs and crls in the SignedData object // Asn1Set certs; try { certs = CmsUtilities.CreateDerSetFromList( CmsUtilities.GetCertificatesFromStore(x509Certs)); } catch (X509StoreException e) { throw new CmsException("error getting certs from certStore", e); } if (certs.Count > 0) { WriteToGenerator(sigGen, new DerTaggedObject(false, 0, certs)); } Asn1Set crls; try { crls = CmsUtilities.CreateDerSetFromList( CmsUtilities.GetCrlsFromStore(x509Crls)); } catch (X509StoreException e) { throw new CmsException("error getting crls from certStore", e); } if (crls.Count > 0) { WriteToGenerator(sigGen, new DerTaggedObject(false, 1, crls)); } WriteToGenerator(sigGen, signedData.GetSignerInfos().ToAsn1Object()); sigGen.Close(); sGen.Close(); return(outStr); }
/** * 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 Stream ReplaceSigners( Stream original, SignerInformationStore signerInformationStore, Stream outStr) { Asn1StreamParser inStr = new Asn1StreamParser(original, CmsUtilities.MaximumMemory); ContentInfoParser contentInfo = new ContentInfoParser((Asn1SequenceParser)inStr.ReadObject()); SignedDataParser signedData = SignedDataParser.GetInstance(contentInfo.GetContent(Asn1Tags.Sequence)); BerSequenceGenerator sGen = new BerSequenceGenerator(outStr); sGen.AddObject(CmsObjectIdentifiers.SignedData); BerSequenceGenerator sigGen = new BerSequenceGenerator(sGen.GetRawOutputStream(), 0, true); // version number sigGen.AddObject(signedData.Version); // digests signedData.GetDigestAlgorithms().ToAsn1Object(); // skip old ones Asn1EncodableVector digestAlgs = new Asn1EncodableVector(); foreach (SignerInformation signer in signerInformationStore.GetSigners()) { digestAlgs.Add(FixAlgID(signer.DigestAlgorithmID)); } WriteToGenerator(sigGen, new DerSet(digestAlgs)); // encap content info ContentInfoParser encapContentInfo = signedData.GetEncapContentInfo(); BerSequenceGenerator eiGen = new BerSequenceGenerator(sigGen.GetRawOutputStream()); eiGen.AddObject(encapContentInfo.ContentType); Asn1OctetStringParser octs = (Asn1OctetStringParser)encapContentInfo.GetContent(Asn1Tags.OctetString); if (octs != null) { BerOctetStringGenerator octGen = new BerOctetStringGenerator( eiGen.GetRawOutputStream(), 0, true); byte[] inBuffer = new byte[4096]; byte[] outBuffer = new byte[4096]; Stream inOctets = octs.GetOctetStream(); Stream outOctets = octGen.GetOctetOutputStream(outBuffer); int len; while ((len = inOctets.Read(inBuffer, 0, inBuffer.Length)) > 0) { outOctets.Write(inBuffer, 0, len); } outOctets.Close(); } eiGen.Close(); { Asn1SetParser set = signedData.GetCertificates(); if (set != null) { Asn1Object setObj = set.ToAsn1Object(); Asn1TaggedObject taggedObj = (set is BerSetParser) ? new BerTaggedObject(false, 0, setObj) : new DerTaggedObject(false, 0, setObj); WriteToGenerator(sigGen, taggedObj); } } { Asn1SetParser set = signedData.GetCrls(); if (set != null) { Asn1Object setObj = set.ToAsn1Object(); Asn1TaggedObject taggedObj = (set is BerSetParser) ? new BerTaggedObject(false, 1, setObj) : new DerTaggedObject(false, 1, setObj); WriteToGenerator(sigGen, taggedObj); } } Asn1EncodableVector signerInfos = new Asn1EncodableVector(); foreach (SignerInformation signer in signerInformationStore.GetSigners()) { signerInfos.Add(signer.ToSignerInfo()); } WriteToGenerator(sigGen, new DerSet(signerInfos)); sigGen.Close(); sGen.Close(); return(outStr); }
public void TestNestedStructure() { MemoryStream bOut = new MemoryStream(); BerSequenceGenerator sGen = new BerSequenceGenerator(bOut); sGen.AddObject(new DerObjectIdentifier(CmsObjectIdentifiers.CompressedData.Id)); BerSequenceGenerator cGen = new BerSequenceGenerator(sGen.GetRawOutputStream(), 0, true); cGen.AddObject(new DerInteger(0)); // // AlgorithmIdentifier // DerSequenceGenerator algGen = new DerSequenceGenerator(cGen.GetRawOutputStream()); algGen.AddObject(new DerObjectIdentifier("1.2")); algGen.Close(); // // Encapsulated ContentInfo // BerSequenceGenerator eiGen = new BerSequenceGenerator(cGen.GetRawOutputStream()); eiGen.AddObject(new DerObjectIdentifier("1.1")); BerOctetStringGenerator octGen = new BerOctetStringGenerator(eiGen.GetRawOutputStream(), 0, true); // // output containing zeroes // Stream outStream = octGen.GetOctetOutputStream(); outStream.Write(new byte[] { 1, 2, 3, 4 }, 0, 4); outStream.Write(new byte[4], 0, 4); outStream.Write(new byte[20], 0, 20); outStream.Close(); eiGen.Close(); cGen.Close(); sGen.Close(); // // reading back // Asn1StreamParser aIn = new Asn1StreamParser(bOut.ToArray()); ContentInfoParser cp = new ContentInfoParser((Asn1SequenceParser)aIn.ReadObject()); CompressedDataParser comData = new CompressedDataParser((Asn1SequenceParser)cp.GetContent(Asn1Tags.Sequence)); ContentInfoParser content = comData.GetEncapContentInfo(); Asn1OctetStringParser bytes = (Asn1OctetStringParser)content.GetContent(Asn1Tags.OctetString); Stream inStream = bytes.GetOctetStream(); int count = 0; while (inStream.ReadByte() >= 0) { count++; } Assert.AreEqual(28, count); }