public static ICollection GetSignatureTimestamps(SignerInformation signerInfo)
{
IList list = Platform.CreateArrayList();
Org.BouncyCastle.Asn1.Cms.AttributeTable unsignedAttributes = signerInfo.UnsignedAttributes;
if (unsignedAttributes != null)
{
foreach (Org.BouncyCastle.Asn1.Cms.Attribute attribute in unsignedAttributes.GetAll(PkcsObjectIdentifiers.IdAASignatureTimeStampToken))
{
foreach (Asn1Encodable asn1Encodable in attribute.AttrValues)
{
try
{
Org.BouncyCastle.Asn1.Cms.ContentInfo instance = Org.BouncyCastle.Asn1.Cms.ContentInfo.GetInstance(asn1Encodable.ToAsn1Object());
TimeStampToken timeStampToken = new TimeStampToken(instance);
TimeStampTokenInfo timeStampInfo = timeStampToken.TimeStampInfo;
byte[] a = DigestUtilities.CalculateDigest(TspUtil.GetDigestAlgName(timeStampInfo.MessageImprintAlgOid), signerInfo.GetSignature());
if (!Arrays.ConstantTimeAreEqual(a, timeStampInfo.GetMessageImprintDigest()))
{
throw new TspValidationException("Incorrect digest in message imprint");
}
list.Add(timeStampToken);
}
catch (SecurityUtilityException)
{
throw new TspValidationException("Unknown hash algorithm specified in timestamp");
}
catch (Exception)
{
throw new TspValidationException("Timestamp could not be parsed");
}
}
}
}
return(list);
}
protected internal override SignerInformation ExtendCMSSignature(CmsSignedData signedData, SignerInformation si, SignatureParameters parameters, Document originalData)
{
if (si is null)
{
throw new ArgumentNullException(nameof(si));
}
if (parameters is null)
{
throw new ArgumentNullException(nameof(parameters));
}
SignerInformation newSi = base.ExtendCMSSignature(signedData, si, parameters, originalData);
IDictionary unsignedAttrs = newSi.UnsignedAttributes.ToDictionary();
CAdESSignature signature = new CAdESSignature(signedData, si.SignerID);
unsignedAttrs = ExtendUnsignedAttributes(
unsignedAttrs,
signature.SigningCertificate,
parameters,
signature.SigningTime.Value,
signature.CertificateSource);
return(SignerInformation.ReplaceUnsignedAttributes(newSi, new BcCms.AttributeTable(unsignedAttrs)));
}
public CAdESSignature(CmsSignedData cms, SignerInformation signerInformation)
{
_cmsSignedData = cms;
this.signerInformation = signerInformation;
}
public byte[] FirmaFileBouncy(string NomeFile, X509Certificate2 cert, bool GiaFirmato, bool UsaTSA, string TSAurl, string TSAuser, string TSApass, out string RisFirma)
{
try
{
SHA256Managed hashSha256 = new SHA256Managed();
byte[] certHash = hashSha256.ComputeHash(cert.RawData);
EssCertIDv2 essCert1 = new EssCertIDv2(new Org.BouncyCastle.Asn1.X509.AlgorithmIdentifier("2.16.840.1.101.3.4.2.1"), certHash);
SigningCertificateV2 scv2 = new SigningCertificateV2(new EssCertIDv2[] { essCert1 });
Org.BouncyCastle.Asn1.Cms.Attribute CertHAttribute = new Org.BouncyCastle.Asn1.Cms.Attribute(Org.BouncyCastle.Asn1.Pkcs.PkcsObjectIdentifiers.IdAASigningCertificateV2, new DerSet(scv2));
Asn1EncodableVector v = new Asn1EncodableVector();
v.Add(CertHAttribute);
Org.BouncyCastle.Asn1.Cms.AttributeTable AT = new Org.BouncyCastle.Asn1.Cms.AttributeTable(v);
CmsSignedDataGenWithRsaCsp cms = new CmsSignedDataGenWithRsaCsp();
var rsa = (RSACryptoServiceProvider)cert.PrivateKey;
Org.BouncyCastle.X509.X509Certificate certCopy = DotNetUtilities.FromX509Certificate(cert);
cms.MyAddSigner(rsa, certCopy, "1.2.840.113549.1.1.1", "2.16.840.1.101.3.4.2.1", AT, null);
ArrayList certList = new ArrayList();
certList.Add(certCopy);
Org.BouncyCastle.X509.Store.X509CollectionStoreParameters PP = new Org.BouncyCastle.X509.Store.X509CollectionStoreParameters(certList);
Org.BouncyCastle.X509.Store.IX509Store st1 = Org.BouncyCastle.X509.Store.X509StoreFactory.Create("CERTIFICATE/COLLECTION", PP);
cms.AddCertificates(st1);
//mi ricavo il file da firmare
FileInfo FileDaAprire = new FileInfo(NomeFile);
/*CmsSignedData Firmato;
* if (GiaFirmato) {
* CmsSignedData signedData = new CmsSignedData(File.ReadAllBytes(NomeFile));
* if (signedData!=null){
* SignerInformationStore signers = signedData.GetSignerInfos();
* certList.Add(signers.GetSigners());
* //MessageBox.Show(signedData.ContentInfo.GetEncoded().Length.ToString());
* //signedData.ContentInfo.GetEncoded();
* }
* certList.Insert(0,certCopy);
* CmsProcessableByteArray file = new CmsProcessableByteArray(signedData.ContentInfo.GetEncoded());
* Firmato = cms.Generate(file, true);
* } else {
* certList.Add(certCopy);
* CmsProcessableFile file = new CmsProcessableFile(FileDaAprire);
* Firmato = cms.Generate(file, true);
* }
*/
CmsProcessableFile file = new CmsProcessableFile(FileDaAprire);
CmsSignedData Firmato = cms.Generate(file, true);
byte[] Encoded = Firmato.GetEncoded();
if (UsaTSA)
{
CmsSignedData sd = new CmsSignedData(Encoded);
SignerInformationStore signers = sd.GetSignerInfos();
byte[] signature = null;
SignerInformation signer = null;
foreach (SignerInformation signer_ in signers.GetSigners())
{
signer = signer_;
break;
}
signature = signer.GetSignature();
Org.BouncyCastle.Asn1.Cms.AttributeTable at = new Org.BouncyCastle.Asn1.Cms.AttributeTable(GetTimestamp(signature, TSAurl, TSAuser, TSApass));
signer = SignerInformation.ReplaceUnsignedAttributes(signer, at);
IList signerInfos = new ArrayList();
signerInfos.Add(signer);
sd = CmsSignedData.ReplaceSigners(sd, new SignerInformationStore(signerInfos));
Encoded = sd.GetEncoded();
}
RisFirma = "";
return(Encoded);
}
catch (Exception ex)
{
RisFirma = ex.ToString();
return(null);
}
}
internal SecureMimeDigitalSignature(SignerInformation signerInfo)
{
SignerInfo = signerInfo;
}
public void TestEncapsulatedSignerStoreReplacement()
{
IList certList = new ArrayList();
MemoryStream bOut = new MemoryStream();
certList.Add(OrigCert);
certList.Add(SignCert);
IX509Store x509Certs = X509StoreFactory.Create(
"Certificate/Collection",
new X509CollectionStoreParameters(certList));
CmsSignedDataStreamGenerator gen = new CmsSignedDataStreamGenerator();
gen.AddSigner(OrigKP.Private, OrigCert, CmsSignedDataStreamGenerator.DigestSha1);
gen.AddCertificates(x509Certs);
Stream sigOut = gen.Open(bOut, true);
byte[] testBytes = Encoding.ASCII.GetBytes(TestMessage);
sigOut.Write(testBytes, 0, testBytes.Length);
sigOut.Close();
//
// create new Signer
//
MemoryStream original = new MemoryStream(bOut.ToArray(), false);
bOut.SetLength(0);
gen = new CmsSignedDataStreamGenerator();
gen.AddSigner(OrigKP.Private, OrigCert, CmsSignedDataStreamGenerator.DigestSha224);
gen.AddCertificates(x509Certs);
sigOut = gen.Open(bOut, true);
sigOut.Write(testBytes, 0, testBytes.Length);
sigOut.Close();
CmsSignedData sd = new CmsSignedData(bOut.ToArray());
//
// replace signer
//
MemoryStream newOut = new MemoryStream();
CmsSignedDataParser.ReplaceSigners(original, sd.GetSignerInfos(), newOut);
sd = new CmsSignedData(newOut.ToArray());
IEnumerator signerEnum = sd.GetSignerInfos().GetSigners().GetEnumerator();
signerEnum.MoveNext();
SignerInformation signer = (SignerInformation)signerEnum.Current;
Assert.AreEqual(signer.DigestAlgOid, CmsSignedDataStreamGenerator.DigestSha224);
CmsSignedDataParser sp = new CmsSignedDataParser(newOut.ToArray());
sp.GetSignedContent().Drain();
VerifySignatures(sp);
}
private void VerifySigner(SignerInformation signer, X509Certificate cert)
{
if (cert.GetPublicKey() is DsaPublicKeyParameters)
{
DsaPublicKeyParameters key = (DsaPublicKeyParameters)cert.GetPublicKey();
if (key.Parameters == null)
{
Assert.IsTrue(signer.Verify(GetInheritedKey(key)));
}
else
{
Assert.IsTrue(signer.Verify(cert));
}
}
else
{
Assert.IsTrue(signer.Verify(cert));
}
}
private void VerifyCounterSignature(SignerInformation signInfo, byte[] certificate)
{
SignerInformation csi = GetFirstSignerInfo(signInfo.GetCounterSignatures());
X509Certificate cert = new X509CertificateParser().ReadCertificate(certificate);
Assert.IsTrue(csi.Verify(cert));
}
internal virtual void AddSignerCallback(SignerInformation si)
{
}
protected void Complete(Level?level, Stream embedded, Stream signed, Stream content, X509Certificate2 providedSigner, out TimemarkKey timemarkKey)
{
#if NETFRAMEWORK
trace.TraceEvent(TraceEventType.Information, 0, "Completing the message with of {0} bytes to level {1}", signed.Length, level);
#else
logger.LogInformation("Completing the message with of {0} bytes to level {1}", signed.Length, level);
#endif
//Create the objects we need
var gen = new CmsSignedDataStreamGenerator();
var parser = new CmsSignedDataParser(signed);
timemarkKey = new TimemarkKey();
//preset the digests so we can add the signers afterwards
gen.AddDigests(parser.DigestOids);
//Copy the content to the output
Stream contentOut = gen.Open(embedded, parser.SignedContentType.Id, true);
if (content != null)
{
content.CopyTo(contentOut);
}
else
{
parser.GetSignedContent().ContentStream.CopyTo(contentOut);
}
//Extract the various data from outer layer
SignerInformation signerInfo = ExtractSignerInfo(parser);
IX509Store embeddedCerts = parser.GetCertificates("Collection");
//Extract the various data from signer info
timemarkKey.SignatureValue = signerInfo.GetSignature();
timemarkKey.SigningTime = ExtractSigningTime(signerInfo);
timemarkKey.Signer = ExtractSignerCert(embeddedCerts, signerInfo, providedSigner);
if (timemarkKey.Signer != null)
{
timemarkKey.SignerId = DotNetUtilities.FromX509Certificate(timemarkKey.Signer).GetSubjectKeyIdentifier();
}
else
{
timemarkKey.SignerId = signerInfo.SignerID.ExtractSignerId();
}
//Extract the various data from unsiged attributes of signer info
IDictionary unsignedAttributes = signerInfo.UnsignedAttributes != null?signerInfo.UnsignedAttributes.ToDictionary() : new Hashtable();
TimeStampToken tst = ExtractTimestamp(unsignedAttributes);
RevocationValues revocationInfo = ExtractRevocationInfo(unsignedAttributes);
//quick check for an expected error and extrapolate some info
if (timemarkKey.SignerId == null)
{
#if NETFRAMEWORK
trace.TraceEvent(TraceEventType.Error, 0, "We could not find any signer information");
#else
logger.LogError("We could not find any signer information");
#endif
throw new InvalidMessageException("The message does not contain any valid signer info");
}
if (timemarkKey.SigningTime == default && tst != null)
{
#if NETFRAMEWORK
trace.TraceEvent(TraceEventType.Information, 0, "Implicit signing time is replaced with time-stamp time {1}", tst.TimeStampInfo.GenTime);
#else
logger.LogInformation("Implicit signing time is replaced with time-stamp time {1}", tst.TimeStampInfo.GenTime);
#endif
timemarkKey.SigningTime = tst.TimeStampInfo.GenTime;
}
//Are we missing embedded certs and should we add them?
if ((embeddedCerts == null || embeddedCerts.GetMatches(null).Count <= 1) &&
timemarkKey.Signer != null &&
level != null)
{
embeddedCerts = GetEmbeddedCerts(timemarkKey);
}
if (embeddedCerts != null)
{
gen.AddCertificates(embeddedCerts); //add the existing or new embedded certs to the output.
}
//Are we missing timestamp and should we add them (not that time-mark authorities do not require a timestamp provider)
if (tst == null &&
(level & Level.T_Level) == Level.T_Level && timestampProvider != null)
{
tst = GetTimestamp(timemarkKey);
AddTimestamp(unsignedAttributes, tst);
}
//should be make sure we have the proper revocation info (it is hard to tell if we have everything, just go for it)
if ((level & Level.L_Level) == Level.L_Level)
{
if (embeddedCerts != null && embeddedCerts.GetMatches(null).Count > 0)
{
//extend the revocation info with info about the embedded certs
revocationInfo = GetRevocationValues(timemarkKey, embeddedCerts, revocationInfo);
}
if (tst != null)
{
//extend the revocation info with info about the TST
revocationInfo = GetRevocationValues(tst, revocationInfo);
}
//update the unsigned attributes
AddRevocationValues(unsignedAttributes, revocationInfo);
}
//Update the unsigned attributes of the signer info
signerInfo = SignerInformation.ReplaceUnsignedAttributes(signerInfo, new BC::Asn1.Cms.AttributeTable(unsignedAttributes));
//Copy the signer
gen.AddSigners(new SignerInformationStore(new SignerInformation[] { signerInfo }));
contentOut.Close();
}
protected internal override SignerInformation ExtendCMSSignature(CmsSignedData signedData, SignerInformation si, SignatureParameters parameters, Document originalData)
{
if (si is null)
{
throw new System.ArgumentNullException(nameof(si));
}
if (SignatureTsa == null)
{
throw new System.ArgumentNullException(nameof(SignatureTsa));
}
logger.Info("Extend signature with id " + si.SignerID);
BcCms.AttributeTable unsigned = si.UnsignedAttributes;
IDictionary unsignedAttrHash;
if (unsigned is null)
{
unsignedAttrHash = new Dictionary <DerObjectIdentifier, Attribute>();
}
else
{
unsignedAttrHash = si.UnsignedAttributes.ToDictionary();
}
//TODO: jbonilla - What happens if it is already CAdES-T? It should not be extended again.
Attribute signatureTimeStamp = GetTimeStampAttribute(PkcsObjectIdentifiers.IdAASignatureTimeStampToken, SignatureTsa, si.GetSignature());
unsignedAttrHash.Add(PkcsObjectIdentifiers.IdAASignatureTimeStampToken, signatureTimeStamp);
SignerInformation newsi = SignerInformation.ReplaceUnsignedAttributes(si, new BcCms.AttributeTable
(unsignedAttrHash));
return(newsi);
}
protected internal override SignerInformation ExtendCMSSignature(CmsSignedData signedData, SignerInformation si, SignatureParameters parameters, Document originalData)
{
si = base.ExtendCMSSignature(signedData, si, parameters, originalData);
using (var toTimestamp = new MemoryStream())
{
DerObjectIdentifier attributeId;
switch (GetExtendedValidationType())
{
case 1:
{
attributeId = PkcsObjectIdentifiers.IdAAEtsEscTimeStamp;
toTimestamp.Write(si.GetSignature());
// We don't include the outer SEQUENCE, only the attrType and attrValues as stated by the TS §6.3.5,
// NOTE 2)
toTimestamp.Write(si.UnsignedAttributes[PkcsObjectIdentifiers.IdAASignatureTimeStampToken].AttrType.GetDerEncoded());
toTimestamp.Write(si.UnsignedAttributes[PkcsObjectIdentifiers.IdAASignatureTimeStampToken].AttrValues.GetDerEncoded());
break;
}
case 2:
{
attributeId = PkcsObjectIdentifiers.IdAAEtsCertCrlTimestamp;
break;
}
default:
{
return(si);
}
}
toTimestamp.Write(si.UnsignedAttributes[PkcsObjectIdentifiers.IdAAEtsCertificateRefs].AttrType.GetDerEncoded());
toTimestamp.Write(si.UnsignedAttributes[PkcsObjectIdentifiers.IdAAEtsCertificateRefs].AttrValues.GetDerEncoded());
toTimestamp.Write(si.UnsignedAttributes[PkcsObjectIdentifiers.IdAAEtsRevocationRefs].AttrType.GetDerEncoded());
toTimestamp.Write(si.UnsignedAttributes[PkcsObjectIdentifiers.IdAAEtsRevocationRefs].AttrValues.GetDerEncoded());
var unsignedAttrHash = si.UnsignedAttributes.ToDictionary();
BcCms.Attribute extendedTimeStamp = GetTimeStampAttribute(attributeId, SignatureTsa, toTimestamp.ToArray());
unsignedAttrHash.Add(attributeId, extendedTimeStamp);
return(SignerInformation.ReplaceUnsignedAttributes(si, new BcCms.AttributeTable(unsignedAttrHash)));
}
}
/// <summary>
/// Verify signed bytes and PKCS#7 signature.
/// </summary>
/// <param name="signedBytes">signed bytes</param>
/// <param name="signatureBytes">signature bytes</param>
/// <param name="data">other data</param>
public void Verify(byte[] signedBytes, byte[] signatureBytes, CryptoSignatureVerificationData data = null)
{
if (signedBytes == null)
{
throw new ArgumentNullException(nameof(signedBytes));
}
if (signatureBytes == null)
{
throw new ArgumentNullException(nameof(signatureBytes));
}
if (_trustAnchors == null && data?.CertificateBytes == null)
{
throw new ArgumentException("No trust anchors given.");
}
CmsSignedData signedData;
try
{
CmsProcessableByteArray cmsProcessableByteArray = new CmsProcessableByteArray(signedBytes);
signedData = new CmsSignedData(cmsProcessableByteArray, signatureBytes);
}
catch (Exception e)
{
throw new PkiVerificationErrorException("Cannot create signature from " + nameof(signatureBytes), e);
}
SignerInformationStore signerInformationStore = signedData.GetSignerInfos();
ICollection signerCollection = signerInformationStore.GetSigners();
if (signerCollection.Count == 0)
{
throw new PkiVerificationFailedException("Signature does not contain any SignerInformation element.");
}
IX509Store x509Store = signedData.GetCertificates("collection");
IEnumerator signerInfoCollectionEnumerator = signerCollection.GetEnumerator();
while (signerInfoCollectionEnumerator.MoveNext())
{
SignerInformation signerInfo = (SignerInformation)signerInfoCollectionEnumerator.Current;
if (signerInfo == null)
{
throw new PkiVerificationErrorException("Signature does not contain any SignerInformation element.");
}
ICollection x509Collection = x509Store.GetMatches(signerInfo.SignerID);
IEnumerator x509CertificateCollectionEnumerator = x509Collection.GetEnumerator();
if (!x509CertificateCollectionEnumerator.MoveNext())
{
throw new PkiVerificationErrorException("Signature does not contain any x509 certificates.");
}
X509Certificate certificate = (X509Certificate)x509CertificateCollectionEnumerator.Current;
if (data != null)
{
try
{
CertificateTimeVerifier.Verify(certificate, data.SignTime);
}
catch (PkiVerificationFailedCertNotValidException ex)
{
throw new PkiVerificationFailedCertNotValidException("PKCS#7 signature certificate is not valid.", ex);
}
}
if (_certificateRdnSelector != null)
{
try
{
// Verify certificate with rdn selector
if (!_certificateRdnSelector.IsMatch(certificate))
{
throw new PkiVerificationFailedException("Certificate did not match with certificate subject rdn selector.");
}
}
catch (PkiVerificationFailedException)
{
throw;
}
catch (Exception e)
{
throw new PkiVerificationErrorException("Error when verifying PKCS#7 signature.", e);
}
}
try
{
if (!signerInfo.Verify(certificate))
{
throw new PkiVerificationFailedException("Signer information does not match with certificate.");
}
}
catch (CmsException e)
{
throw new PkiVerificationFailedException("Failed to verify PKCS#7 signature.", e);
}
catch (Exception e)
{
throw new PkiVerificationErrorException("Error when verifying PKCS#7 signature.", e);
}
ISet trustAnchors;
if (data?.CertificateBytes != null)
{
try
{
trustAnchors = new HashSet
{
new TrustAnchor(DotNetUtilities.FromX509Certificate(new X509Certificate2(data.CertificateBytes)), null)
};
}
catch (Exception e)
{
throw new PkiVerificationErrorException("Cannot create trust anchor certificate from " + nameof(data.CertificateBytes), e);
}
}
else
{
trustAnchors = _trustAnchors;
}
try
{
ValidateCertPath(certificate, x509Store, trustAnchors);
}
catch (PkiVerificationFailedException)
{
throw;
}
catch (Exception e)
{
throw new PkiVerificationErrorException("Error when verifying PKCS#7 signature.", e);
}
}
}
public void TestSignerStoreReplacement()
{
MemoryStream bOut = new MemoryStream();
byte[] data = Encoding.ASCII.GetBytes(TestMessage);
IX509Store x509Certs = CmsTestUtil.MakeCertStore(OrigCert, SignCert);
CmsSignedDataStreamGenerator gen = new CmsSignedDataStreamGenerator();
gen.AddSigner(OrigKP.Private, OrigCert, CmsSignedDataStreamGenerator.DigestSha1);
gen.AddCertificates(x509Certs);
Stream sigOut = gen.Open(bOut, false);
sigOut.Write(data, 0, data.Length);
sigOut.Close();
CheckSigParseable(bOut.ToArray());
//
// create new Signer
//
MemoryStream original = new MemoryStream(bOut.ToArray(), false);
bOut.SetLength(0);
gen = new CmsSignedDataStreamGenerator();
gen.AddSigner(OrigKP.Private, OrigCert, CmsSignedDataStreamGenerator.DigestSha224);
gen.AddCertificates(x509Certs);
sigOut = gen.Open(bOut);
sigOut.Write(data, 0, data.Length);
sigOut.Close();
CheckSigParseable(bOut.ToArray());
CmsSignedData sd = new CmsSignedData(bOut.ToArray());
//
// replace signer
//
MemoryStream newOut = new MemoryStream();
CmsSignedDataParser.ReplaceSigners(original, sd.GetSignerInfos(), newOut);
sd = new CmsSignedData(new CmsProcessableByteArray(data), newOut.ToArray());
IEnumerator signerEnum = sd.GetSignerInfos().GetSigners().GetEnumerator();
signerEnum.MoveNext();
SignerInformation signer = (SignerInformation)signerEnum.Current;
Assert.AreEqual(signer.DigestAlgOid, CmsSignedDataStreamGenerator.DigestSha224);
CmsSignedDataParser sp = new CmsSignedDataParser(new CmsTypedStream(
new MemoryStream(data, false)), newOut.ToArray());
sp.GetSignedContent().Drain();
VerifySignatures(sp);
}
public CAdESSignature(CmsSignedData cms, SignerID id)
{
_cmsSignedData = cms;
this.signerInformation = BCStaticHelpers.GetSigner(cms, id);
}
public static global::System.Collections.ICollection GetSignatureTimestamps(SignerInformation signerInfo)
{
global::System.Collections.IList list = Platform.CreateArrayList();
Org.BouncyCastle.Asn1.Cms.AttributeTable unsignedAttributes = signerInfo.UnsignedAttributes;
if (unsignedAttributes != null)
{
global::System.Collections.IEnumerator enumerator = unsignedAttributes.GetAll(PkcsObjectIdentifiers.IdAASignatureTimeStampToken).GetEnumerator();
try
{
while (enumerator.MoveNext())
{
Attribute attribute = (Attribute)enumerator.get_Current();
{
global::System.Collections.IEnumerator enumerator2 = attribute.AttrValues.GetEnumerator();
try
{
while (enumerator2.MoveNext())
{
Asn1Encodable asn1Encodable = (Asn1Encodable)enumerator2.get_Current();
try
{
Org.BouncyCastle.Asn1.Cms.ContentInfo instance = Org.BouncyCastle.Asn1.Cms.ContentInfo.GetInstance(asn1Encodable.ToAsn1Object());
TimeStampToken timeStampToken = new TimeStampToken(instance);
TimeStampTokenInfo timeStampInfo = timeStampToken.TimeStampInfo;
byte[] a = DigestUtilities.CalculateDigest(GetDigestAlgName(timeStampInfo.MessageImprintAlgOid), signerInfo.GetSignature());
if (!Arrays.ConstantTimeAreEqual(a, timeStampInfo.GetMessageImprintDigest()))
{
throw new TspValidationException("Incorrect digest in message imprint");
}
list.Add((object)timeStampToken);
}
catch (SecurityUtilityException)
{
throw new TspValidationException("Unknown hash algorithm specified in timestamp");
}
catch (global::System.Exception)
{
throw new TspValidationException("Timestamp could not be parsed");
}
}
}
finally
{
global::System.IDisposable disposable2 = enumerator2 as global::System.IDisposable;
if (disposable2 != null)
{
disposable2.Dispose();
}
}
}
}
return((global::System.Collections.ICollection)list);
}
finally
{
global::System.IDisposable disposable = enumerator as global::System.IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
}
}
return((global::System.Collections.ICollection)list);
}
private void VerifySignerInfo4_4(SignerInformation signerInfo, byte[] counterSigCert)
{
VerifyCounterSignature(signerInfo, counterSigCert);
VerifyContentHint(signerInfo);
}
private void VerifySignerInfo4_4(SignerInformation signerInfo, byte[] counterSigCert)
{
VerifyCounterSignature(signerInfo, counterSigCert);
VerifyContentHint(signerInfo);
}
/// <exception cref="System.IO.IOException"></exception>
protected internal abstract SignerInformation ExtendCMSSignature(CmsSignedData signedData
, SignerInformation si, SignatureParameters parameters, Document originalData);
private void VerifyContentHint(SignerInformation signInfo)
{
Asn1.Cms.AttributeTable attrTable = signInfo.UnsignedAttributes;
Asn1.Cms.Attribute attr = attrTable[CmsAttributes.ContentHint];
Assert.AreEqual(1, attr.AttrValues.Count);
Asn1EncodableVector v = new Asn1EncodableVector(
new DerUtf8String("Content Hints Description Buffer"),
CmsObjectIdentifiers.Data);
Assert.IsTrue(attr.AttrValues[0].Equals(new DerSequence(v)));
}
protected internal override SignerInformation ExtendCMSSignature(CmsSignedData cmsSignedData, SignerInformation si, SignatureParameters parameters, Document originalDocument)
{
si = base.ExtendCMSSignature(cmsSignedData, si, parameters, originalDocument);
CAdESSignature signature = new CAdESSignature(cmsSignedData, si);
IDictionary unsignedAttrHash = si.UnsignedAttributes.ToDictionary();
Attribute archiveTimeStamp = GetTimeStampAttribute(CAdESProfileA.id_aa_ets_archiveTimestamp, SignatureTsa, signature.GetArchiveTimestampData(0, originalDocument));
unsignedAttrHash.Add(id_aa_ets_archiveTimestamp, archiveTimeStamp);
SignerInformation newsi = SignerInformation.ReplaceUnsignedAttributes(si, new AttributeTable
(unsignedAttrHash));
return(newsi);
}
internal override void AddSignerCallback(SignerInformation si)
{
RegisterDigestOid(si.DigestAlgorithmID.Algorithm.Id);
}
/**
* generate a set of one or more SignerInformation objects representing counter signatures on
* the passed in SignerInformation object.
*
* @param signer the signer to be countersigned
* @param sigProvider the provider to be used for counter signing.
* @return a store containing the signers.
*/
public SignerInformationStore GenerateCounterSigners(
SignerInformation signer)
{
return(this.Generate(null, new CmsProcessableByteArray(signer.GetSignature()), false).GetSignerInfos());
}
internal SignerInfoNode(SignerInformation signerInformation, SignatureDocument sigDocument)
{
_signerInformation = signerInformation;
_sigDocument = sigDocument;
ReadInformation();
}
private DocsPaVO.documento.SignerInfo ExtractSignerInfo(List <string> ErrorMessageLst, IX509Store store, SignerInformation signer)
{
DocsPaVO.documento.SignerInfo thisSinger = new DocsPaVO.documento.SignerInfo();
Org.BouncyCastle.X509.X509Certificate cert1 = GetCertificate(signer, store);
try
{
if (!signer.Verify(cert1))
{
ErrorMessageLst.Add("Not valid signature");
}
}
catch (Exception e)
{
ErrorMessageLst.Add(e.Message);
}
thisSinger.isCountersigner = signer.IsCounterSignature;
if (signer.SignedAttributes != null)
{
if (signer.SignedAttributes[Org.BouncyCastle.Asn1.Pkcs.PkcsObjectIdentifiers.IdAASigningCertificateV2] == null)
{
ErrorMessageLst.Add("Id-AA-SigningCertificateV2 not found");
}
if (signer.SignedAttributes[CmsAttributes.MessageDigest] == null)
{
ErrorMessageLst.Add("Pkcs9AtMessageDigest not found");
}
if (!signer.IsCounterSignature) //Pare che i controfirmatari non ncessitino di questo parametro
{
if (signer.SignedAttributes[Org.BouncyCastle.Asn1.Pkcs.PkcsObjectIdentifiers.Pkcs9AtContentType] == null)
{
ErrorMessageLst.Add("Pkcs9AtContentType not found");
}
}
thisSinger.SignatureAlgorithm = Org.BouncyCastle.Security.DigestUtilities.GetAlgorithmName(signer.DigestAlgorithmID.ObjectID);
if (signer.SignedAttributes[CmsAttributes.SigningTime] != null)
{
Org.BouncyCastle.Asn1.Cms.Attribute sigTime = signer.SignedAttributes[CmsAttributes.SigningTime];
if (sigTime.AttrValues.Count > 0)
{
try
{
thisSinger.SigningTime = GetSigningTime(sigTime.AttrValues[0]);
}
catch (Exception e)
{
ErrorMessageLst.Add("Error retriving SigningTime");
}
}
}
}
else
{
ErrorMessageLst.Add("Missing SignedAttributes");
}
if (gestioneTSFirma)
{
List <TSInfo> tsArr = new List <TSInfo>();
if (signer.UnsignedAttributes != null && signer.UnsignedAttributes[Org.BouncyCastle.Asn1.Pkcs.PkcsObjectIdentifiers.IdAASignatureTimeStampToken] != null)
{
ICollection ret = Org.BouncyCastle.Tsp.TspUtil.GetSignatureTimestamps(signer);
foreach (Org.BouncyCastle.Tsp.TimeStampToken token in ret)
{
VerifyTimeStamp verifyTimeStamp = new VerifyTimeStamp();
ICollection certsColl = token.GetCertificates("COLLECTION").GetMatches(null);
TSInfo timeStamp = verifyTimeStamp.getTSCertInfo(certsColl);
timeStamp.TSdateTime = token.TimeStampInfo.GenTime.ToLocalTime();
timeStamp.TSserialNumber = token.TimeStampInfo.SerialNumber.ToString();
timeStamp.TSimprint = Convert.ToBase64String(token.TimeStampInfo.TstInfo.MessageImprint.GetEncoded());
timeStamp.TSdateTime = token.TimeStampInfo.GenTime;
timeStamp.TSType = TsType.PKCS;
tsArr.Add(timeStamp);
}
}
if (tsArr.Count > 0)
{
thisSinger.SignatureTimeStampInfo = tsArr.ToArray();
}
}
X509Certificate2 cert = new X509Certificate2(cert1.GetEncoded());
thisSinger.CertificateInfo.RevocationStatus = CheckCertificate(cert);
thisSinger.CertificateInfo.X509Certificate = cert1.GetEncoded();
thisSinger.CertificateInfo.RevocationStatusDescription = DecodeStatus(thisSinger.CertificateInfo.RevocationStatus);
ParseCNIPASubjectInfo(ref thisSinger.SubjectInfo, cert.SubjectName.Name);
thisSinger.CertificateInfo.IssuerName = cert.IssuerName.Name;
thisSinger.CertificateInfo.SerialNumber = cert.SerialNumber;
thisSinger.CertificateInfo.SignatureAlgorithm = cert.SignatureAlgorithm.FriendlyName;
thisSinger.CertificateInfo.SubjectName = cert.SubjectName.Name;
thisSinger.CertificateInfo.ValidFromDate = cert.NotBefore;
thisSinger.CertificateInfo.ValidToDate = cert.NotAfter;
thisSinger.CertificateInfo.ThumbPrint = cert.Thumbprint;
StringBuilder sb = new StringBuilder();
sb.AppendFormat("CertificateInfo.IssuerName: '{0}'", thisSinger.CertificateInfo.IssuerName);
sb.AppendFormat("CertificateInfo.SerialNumber: '{0}'", thisSinger.CertificateInfo.SerialNumber);
sb.AppendFormat("CertificateInfo.SignatureAlgorithm: '{0}'", thisSinger.CertificateInfo.SignatureAlgorithm);
sb.AppendFormat("CertificateInfo.SubjectName: '{0}'", thisSinger.CertificateInfo.SubjectName);
sb.AppendFormat("CertificateInfo.ValidFromDate: '{0}'", thisSinger.CertificateInfo.ValidFromDate);
sb.AppendFormat("CertificateInfo.ValidToDate: '{0}'", thisSinger.CertificateInfo.ValidToDate);
sb.AppendFormat("CertificateInfo.ThumbPrint: '{0}'", thisSinger.CertificateInfo.ThumbPrint);
//DocsPaUtils.LogsManagement.Debugger.Write(string.Format("SignedDocument.Verify - {0}", sb.ToString()));
//gestione controfirma
if (signer.UnsignedAttributes != null)
{
if (signer.UnsignedAttributes[CmsAttributes.CounterSignature] != null)
{
List <DocsPaVO.documento.SignerInfo> cSigsList = new List <DocsPaVO.documento.SignerInfo>();
List <string> csignErrs = new List <string> ();
SignerInformationStore counterSignatures = signer.GetCounterSignatures();
foreach (SignerInformation conunterSig in counterSignatures.GetSigners())
{
DocsPaVO.documento.SignerInfo cSigs = ExtractSignerInfo(csignErrs, store, conunterSig);
cSigsList.Add(cSigs);
}
if (csignErrs.Count > 0)
{
ErrorMessageLst.AddRange(csignErrs);
}
if (cSigsList.Count > 0)
{
thisSinger.counterSignatures = cSigsList.ToArray();
}
}
}
return(thisSinger);
}
public TimeStampToken(
CmsSignedData signedData)
{
this.tsToken = signedData;
if (!this.tsToken.SignedContentType.Equals(PkcsObjectIdentifiers.IdCTTstInfo))
{
throw new TspValidationException("ContentInfo object not for a time stamp.");
}
ICollection signers = tsToken.GetSignerInfos().GetSigners();
if (signers.Count != 1)
{
throw new ArgumentException("Time-stamp token signed by "
+ signers.Count
+ " signers, but it must contain just the TSA signature.");
}
IEnumerator signerEnum = signers.GetEnumerator();
signerEnum.MoveNext();
tsaSignerInfo = (SignerInformation)signerEnum.Current;
try
{
CmsProcessable content = tsToken.SignedContent;
MemoryStream bOut = new MemoryStream();
content.Write(bOut);
this.tstInfo = new TimeStampTokenInfo(
TstInfo.GetInstance(
Asn1Object.FromByteArray(bOut.ToArray())));
Asn1.Cms.Attribute attr = tsaSignerInfo.SignedAttributes[
PkcsObjectIdentifiers.IdAASigningCertificate];
// if (attr == null)
// {
// throw new TspValidationException(
// "no signing certificate attribute found, time stamp invalid.");
// }
//
// SigningCertificate signCert = SigningCertificate.GetInstance(
// attr.AttrValues[0]);
//
// this.certID = EssCertID.GetInstance(signCert.GetCerts()[0]);
if (attr != null)
{
SigningCertificate signCert = SigningCertificate.GetInstance(attr.AttrValues[0]);
this.certID = new CertID(EssCertID.GetInstance(signCert.GetCerts()[0]));
}
else
{
attr = tsaSignerInfo.SignedAttributes[PkcsObjectIdentifiers.IdAASigningCertificateV2];
if (attr == null)
{
throw new TspValidationException("no signing certificate attribute found, time stamp invalid.");
}
SigningCertificateV2 signCertV2 = SigningCertificateV2.GetInstance(attr.AttrValues[0]);
this.certID = new CertID(EssCertIDv2.GetInstance(signCertV2.GetCerts()[0]));
}
}
catch (CmsException e)
{
throw new TspException(e.Message, e.InnerException);
}
}
/// <exception cref="System.IO.IOException"></exception>
public virtual byte[] GetArchiveTimestampData(int index, Document originalDocument
)
{
ByteArrayOutputStream toTimestamp = new ByteArrayOutputStream();
BcCms.ContentInfo contentInfo = cmsSignedData.ContentInfo;
BcCms.SignedData signedData = BcCms.SignedData.GetInstance(contentInfo.Content);
// 5.4.1
if (signedData.EncapContentInfo == null || signedData.EncapContentInfo.
Content == null)
{
if (originalDocument != null)
{
//jbonilla Hack para leer un InputStream en su totalidad.
toTimestamp.Write(Streams.ReadAll(
originalDocument.OpenStream()));
}
else
{
throw new RuntimeException("Signature is detached and no original data provided."
);
}
}
else
{
BcCms.ContentInfo content = signedData.EncapContentInfo;
DerOctetString octet = (DerOctetString)content.Content;
BcCms.ContentInfo info2 = new BcCms.ContentInfo(new DerObjectIdentifier("1.2.840.113549.1.7.1"
), new BerOctetString(octet.GetOctets()));
toTimestamp.Write(info2.GetEncoded());
}
if (signedData.Certificates != null)
{
DerOutputStream output = new DerOutputStream(toTimestamp);
output.WriteObject(signedData.Certificates);
output.Close();
}
if (signedData.CRLs != null)
{
toTimestamp.Write(signedData.CRLs.GetEncoded());
}
if (signerInformation.UnsignedAttributes != null)
{
Asn1EncodableVector original = signerInformation.UnsignedAttributes.ToAsn1EncodableVector
();
IList <BcCms.Attribute> timeStampToRemove = GetTimeStampToRemove(index);
Asn1EncodableVector filtered = new Asn1EncodableVector();
for (int i = 0; i < original.Count; i++)
{
Asn1Encodable enc = original[i];
if (!timeStampToRemove.Contains(enc))
{
filtered.Add(original[i]);
}
}
SignerInformation filteredInfo = SignerInformation.ReplaceUnsignedAttributes(signerInformation
, new BcCms.AttributeTable(filtered));
toTimestamp.Write(filteredInfo.ToSignerInfo().GetEncoded());
}
return(toTimestamp.ToByteArray());
}
