public void TestSha1WithRsa()
{
IList certList = new ArrayList();
IList crlList = new ArrayList();
MemoryStream bOut = new MemoryStream();
certList.Add(OrigCert);
certList.Add(SignCert);
crlList.Add(SignCrl);
crlList.Add(OrigCrl);
IX509Store x509Certs = X509StoreFactory.Create(
"Certificate/Collection",
new X509CollectionStoreParameters(certList));
IX509Store x509Crls = X509StoreFactory.Create(
"CRL/Collection",
new X509CollectionStoreParameters(crlList));
CmsSignedDataStreamGenerator gen = new CmsSignedDataStreamGenerator();
gen.AddSigner(OrigKP.Private, OrigCert, CmsSignedDataStreamGenerator.DigestSha1);
gen.AddCertificates(x509Certs);
gen.AddCrls(x509Crls);
Stream sigOut = gen.Open(bOut);
CmsCompressedDataStreamGenerator cGen = new CmsCompressedDataStreamGenerator();
Stream cOut = cGen.Open(sigOut, CmsCompressedDataStreamGenerator.ZLib);
byte[] testBytes = Encoding.ASCII.GetBytes(TestMessage);
cOut.Write(testBytes, 0, testBytes.Length);
cOut.Close();
sigOut.Close();
CheckSigParseable(bOut.ToArray());
// generate compressed stream
MemoryStream cDataOut = new MemoryStream();
cOut = cGen.Open(cDataOut, CmsCompressedDataStreamGenerator.ZLib);
cOut.Write(testBytes, 0, testBytes.Length);
cOut.Close();
CmsSignedDataParser sp = new CmsSignedDataParser(
new CmsTypedStream(new MemoryStream(cDataOut.ToArray(), false)), bOut.ToArray());
sp.GetSignedContent().Drain();
//
// compute expected content digest
//
IDigest md = DigestUtilities.GetDigest("SHA1");
byte[] cDataOutBytes = cDataOut.ToArray();
md.BlockUpdate(cDataOutBytes, 0, cDataOutBytes.Length);
byte[] hash = DigestUtilities.DoFinal(md);
VerifySignatures(sp, hash);
}
/// <summary>
/// Verify the digital signatures of the specified content using the detached signatureData.
/// </summary>
/// <returns>A list of the digital signatures.</returns>
/// <param name="content">The content.</param>
/// <param name="signatureData">The detached signature data.</param>
/// <exception cref="System.ArgumentNullException">
/// <para><paramref name="content"/> is <c>null</c>.</para>
/// <para>-or-</para>
/// <para><paramref name="signatureData"/> is <c>null</c>.</para>
/// </exception>
/// <exception cref="Org.BouncyCastle.Cms.CmsException">
/// An error occurred in the cryptographic message syntax subsystem.
/// </exception>
public override DigitalSignatureCollection Verify(Stream content, Stream signatureData)
{
if (content == null)
throw new ArgumentNullException ("content");
if (signatureData == null)
throw new ArgumentNullException ("signatureData");
var parser = new CmsSignedDataParser (new CmsTypedStream (content), signatureData);
parser.GetSignedContent ().Drain ();
return GetDigitalSignatures (parser);
}
DigitalSignatureCollection GetDigitalSignatures(CmsSignedDataParser parser)
{
var certificates = parser.GetCertificates ("Collection");
var signatures = new List<IDigitalSignature> ();
var crls = parser.GetCrls ("Collection");
var store = parser.GetSignerInfos ();
foreach (X509Certificate certificate in certificates.GetMatches (null))
Import (certificate);
foreach (X509Crl crl in crls.GetMatches (null))
Import (crl);
foreach (SignerInformation signerInfo in store.GetSigners ()) {
var certificate = GetCertificate (certificates, signerInfo.SignerID);
var signature = new SecureMimeDigitalSignature (signerInfo);
DateTime? signedDate = null;
if (signerInfo.SignedAttributes != null) {
Asn1EncodableVector vector = signerInfo.SignedAttributes.GetAll (CmsAttributes.SigningTime);
foreach (Org.BouncyCastle.Asn1.Cms.Attribute attr in vector) {
var signingTime = (DerUtcTime) ((DerSet) attr.AttrValues)[0];
signature.CreationDate = signingTime.ToAdjustedDateTime ();
signedDate = signature.CreationDate;
break;
}
}
if (certificate != null)
signature.SignerCertificate = new SecureMimeDigitalCertificate (certificate);
var anchors = GetTrustedAnchors ();
try {
signature.Chain = BuildCertPath (anchors, certificates, crls, certificate, signedDate);
} catch (Exception ex) {
signature.ChainException = ex;
}
signatures.Add (signature);
}
return new DigitalSignatureCollection (signatures);
}
public void TestCertOrdering2()
{
MemoryStream bOut = new MemoryStream();
IX509Store x509Certs = CmsTestUtil.MakeCertStore(SignCert, OrigCert);
CmsSignedDataStreamGenerator gen = new CmsSignedDataStreamGenerator();
gen.AddSigner(OrigKP.Private, OrigCert, CmsSignedDataStreamGenerator.DigestSha1);
gen.AddCertificates(x509Certs);
byte[] testBytes = Encoding.ASCII.GetBytes(TestMessage);
Stream sigOut = gen.Open(bOut, true);
sigOut.Write(testBytes, 0, testBytes.Length);
sigOut.Close();
CmsSignedDataParser sp = new CmsSignedDataParser(bOut.ToArray());
sp.GetSignedContent().Drain();
x509Certs = sp.GetCertificates("Collection");
ArrayList a = new ArrayList(x509Certs.GetMatches(null));
Assert.AreEqual(2, a.Count);
Assert.AreEqual(SignCert, a[0]);
Assert.AreEqual(OrigCert, a[1]);
}
private void VerifySignatures(
CmsSignedDataParser sp)
{
IX509Store x509Certs = sp.GetCertificates("Collection");
SignerInformationStore signers = sp.GetSignerInfos();
foreach (SignerInformation signer in signers.GetSigners())
{
ICollection certCollection = x509Certs.GetMatches(signer.SignerID);
IEnumerator certEnum = certCollection.GetEnumerator();
certEnum.MoveNext();
X509Certificate cert = (X509Certificate)certEnum.Current;
Assert.IsTrue(signer.Verify(cert));
}
}
public void TestWithAttributeCertificate()
{
IX509Store x509Certs = CmsTestUtil.MakeCertStore(SignCert);
CmsSignedDataStreamGenerator gen = new CmsSignedDataStreamGenerator();
gen.AddSigner(OrigKP.Private, OrigCert, CmsSignedDataGenerator.DigestSha1);
gen.AddCertificates(x509Certs);
IX509AttributeCertificate attrCert = CmsTestUtil.GetAttributeCertificate();
IX509Store store = CmsTestUtil.MakeAttrCertStore(attrCert);
gen.AddAttributeCertificates(store);
MemoryStream bOut = new MemoryStream();
byte[] testBytes = Encoding.ASCII.GetBytes(TestMessage);
Stream sigOut = gen.Open(bOut, true);
sigOut.Write(testBytes, 0, testBytes.Length);
sigOut.Close();
CmsSignedDataParser sp = new CmsSignedDataParser(bOut.ToArray());
sp.GetSignedContent().Drain();
Assert.AreEqual(4, sp.Version);
store = sp.GetAttributeCertificates("Collection");
ArrayList coll = new ArrayList(store.GetMatches(null));
Assert.AreEqual(1, coll.Count);
Assert.IsTrue(coll.Contains(attrCert));
}
public void TestEncapsulatedCertStoreReplacement()
{
MemoryStream bOut = new MemoryStream();
IX509Store x509Certs = CmsTestUtil.MakeCertStore(OrigDsaCert);
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 certstore with the right certificates
//
x509Certs = CmsTestUtil.MakeCertStore(OrigCert, SignCert);
//
// replace certs
//
MemoryStream original = new MemoryStream(bOut.ToArray(), false);
MemoryStream newOut = new MemoryStream();
CmsSignedDataParser.ReplaceCertificatesAndCrls(original, x509Certs, null, null, newOut);
CmsSignedDataParser sp = new CmsSignedDataParser(newOut.ToArray());
sp.GetSignedContent().Drain();
VerifySignatures(sp);
}
private void VerifySignatures(
CmsSignedDataParser sp)
{
VerifySignatures(sp, null);
}
private void VerifyEncodedData(
MemoryStream bOut)
{
CmsSignedDataParser sp = new CmsSignedDataParser(bOut.ToArray());
sp.GetSignedContent().Drain();
VerifySignatures(sp);
sp.Close();
}
public void TestSha1AndMD5WithRsa()
{
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.AddDigests(CmsSignedDataStreamGenerator.DigestSha1,
CmsSignedDataStreamGenerator.DigestMD5);
Stream sigOut = gen.Open(bOut);
byte[] testBytes = Encoding.ASCII.GetBytes(TestMessage);
sigOut.Write(testBytes, 0, testBytes.Length);
gen.AddCertificates(x509Certs);
gen.AddSigner(OrigKP.Private, OrigCert, CmsSignedDataStreamGenerator.DigestSha1);
gen.AddSigner(OrigKP.Private, OrigCert, CmsSignedDataStreamGenerator.DigestMD5);
sigOut.Close();
CheckSigParseable(bOut.ToArray());
CmsSignedDataParser sp = new CmsSignedDataParser(
new CmsTypedStream(new MemoryStream(testBytes, false)), bOut.ToArray());
sp.GetSignedContent().Drain();
VerifySignatures(sp);
}
public void TestSignerStoreReplacement()
{
IList certList = new ArrayList();
MemoryStream bOut = new MemoryStream();
byte[] data = Encoding.ASCII.GetBytes(TestMessage);
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, 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 void TestSha1WithRsaNonData()
{
IList certList = new ArrayList();
IList crlList = new ArrayList();
MemoryStream bOut = new MemoryStream();
certList.Add(OrigCert);
certList.Add(SignCert);
crlList.Add(SignCrl);
crlList.Add(OrigCrl);
IX509Store x509Certs = X509StoreFactory.Create(
"Certificate/Collection",
new X509CollectionStoreParameters(certList));
IX509Store x509Crls = X509StoreFactory.Create(
"CRL/Collection",
new X509CollectionStoreParameters(crlList));
CmsSignedDataStreamGenerator gen = new CmsSignedDataStreamGenerator();
gen.AddSigner(OrigKP.Private, OrigCert, CmsSignedDataStreamGenerator.DigestSha1);
gen.AddCertificates(x509Certs);
gen.AddCrls(x509Crls);
Stream sigOut = gen.Open(bOut, "1.2.3.4", true);
byte[] testBytes = Encoding.ASCII.GetBytes(TestMessage);
sigOut.Write(testBytes, 0, testBytes.Length);
sigOut.Close();
CmsSignedDataParser sp = new CmsSignedDataParser(bOut.ToArray());
CmsTypedStream stream = sp.GetSignedContent();
Assert.AreEqual("1.2.3.4", stream.ContentType);
stream.Drain();
//
// compute expected content digest
//
IDigest md = DigestUtilities.GetDigest("SHA1");
md.BlockUpdate(testBytes, 0, testBytes.Length);
byte[] hash = DigestUtilities.DoFinal(md);
VerifySignatures(sp, hash);
}
public void TestSha1WithRsa()
{
IList certList = new ArrayList();
IList crlList = new ArrayList();
MemoryStream bOut = new MemoryStream();
certList.Add(OrigCert);
certList.Add(SignCert);
crlList.Add(SignCrl);
crlList.Add(OrigCrl);
IX509Store x509Certs = X509StoreFactory.Create(
"Certificate/Collection",
new X509CollectionStoreParameters(certList));
IX509Store x509Crls = X509StoreFactory.Create(
"CRL/Collection",
new X509CollectionStoreParameters(crlList));
CmsSignedDataStreamGenerator gen = new CmsSignedDataStreamGenerator();
gen.AddSigner(OrigKP.Private, OrigCert, CmsSignedDataStreamGenerator.DigestSha1);
gen.AddCertificates(x509Certs);
gen.AddCrls(x509Crls);
Stream sigOut = gen.Open(bOut);
byte[] testBytes = Encoding.ASCII.GetBytes(TestMessage);
sigOut.Write(testBytes, 0, testBytes.Length);
sigOut.Close();
CheckSigParseable(bOut.ToArray());
CmsSignedDataParser sp = new CmsSignedDataParser(
new CmsTypedStream(new MemoryStream(testBytes, false)), bOut.ToArray());
sp.GetSignedContent().Drain();
//
// compute expected content digest
//
IDigest md = DigestUtilities.GetDigest("SHA1");
md.BlockUpdate(testBytes, 0, testBytes.Length);
byte[] hash = DigestUtilities.DoFinal(md);
VerifySignatures(sp, hash);
//
// try using existing signer
//
gen = new CmsSignedDataStreamGenerator();
gen.AddSigners(sp.GetSignerInfos());
gen.AddCertificates(sp.GetCertificates("Collection"));
gen.AddCrls(sp.GetCrls("Collection"));
bOut.SetLength(0);
sigOut = gen.Open(bOut, true);
sigOut.Write(testBytes, 0, testBytes.Length);
sigOut.Close();
VerifyEncodedData(bOut);
//
// look for the CRLs
//
ArrayList col = new ArrayList(x509Crls.GetMatches(null));
Assert.AreEqual(2, col.Count);
Assert.IsTrue(col.Contains(SignCrl));
Assert.IsTrue(col.Contains(OrigCrl));
}
public void TestCertStoreReplacement()
{
IList certList = new ArrayList();
MemoryStream bOut = new MemoryStream();
byte[] data = Encoding.ASCII.GetBytes(TestMessage);
certList.Add(OrigDsaCert);
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);
sigOut.Write(data, 0, data.Length);
sigOut.Close();
CheckSigParseable(bOut.ToArray());
//
// create new certstore with the right certificates
//
certList = new ArrayList();
certList.Add(OrigCert);
certList.Add(SignCert);
x509Certs = X509StoreFactory.Create(
"Certificate/Collection",
new X509CollectionStoreParameters(certList));
//
// replace certs
//
MemoryStream original = new MemoryStream(bOut.ToArray(), false);
MemoryStream newOut = new MemoryStream();
CmsSignedDataParser.ReplaceCertificatesAndCrls(original, x509Certs, null, null, newOut);
CmsSignedDataParser sp = new CmsSignedDataParser(new CmsTypedStream(new MemoryStream(data, false)), newOut.ToArray());
sp.GetSignedContent().Drain();
VerifySignatures(sp);
}
public void TestSha1WithRsaEncapsulatedSubjectKeyID()
{
MemoryStream bOut = new MemoryStream();
IX509Store x509Certs = CmsTestUtil.MakeCertStore(OrigCert, SignCert);
CmsSignedDataStreamGenerator gen = new CmsSignedDataStreamGenerator();
gen.AddSigner(OrigKP.Private,
CmsTestUtil.CreateSubjectKeyId(OrigCert.GetPublicKey()).GetKeyIdentifier(),
CmsSignedDataStreamGenerator.DigestSha1);
gen.AddCertificates(x509Certs);
byte[] testBytes = Encoding.ASCII.GetBytes(TestMessage);
Stream sigOut = gen.Open(bOut, true);
sigOut.Write(testBytes, 0, testBytes.Length);
sigOut.Close();
CmsSignedDataParser sp = new CmsSignedDataParser(bOut.ToArray());
sp.GetSignedContent().Drain();
VerifySignatures(sp);
byte[] contentDigest = (byte[])gen.GetGeneratedDigests()[CmsSignedGenerator.DigestSha1];
ArrayList signers = new ArrayList(sp.GetSignerInfos().GetSigners());
AttributeTable table = ((SignerInformation) signers[0]).SignedAttributes;
Asn1.Cms.Attribute hash = table[CmsAttributes.MessageDigest];
Assert.IsTrue(Arrays.AreEqual(contentDigest, ((Asn1OctetString)hash.AttrValues[0]).GetOctets()));
//
// try using existing signer
//
gen = new CmsSignedDataStreamGenerator();
gen.AddSigners(sp.GetSignerInfos());
// gen.AddCertificatesAndCRLs(sp.GetCertificatesAndCrls("Collection", "BC"));
gen.AddCertificates(sp.GetCertificates("Collection"));
bOut.SetLength(0);
sigOut = gen.Open(bOut, true);
sigOut.Write(testBytes, 0, testBytes.Length);
sigOut.Close();
CmsSignedData sd = new CmsSignedData(new CmsProcessableByteArray(testBytes), bOut.ToArray());
Assert.AreEqual(1, sd.GetSignerInfos().GetSigners().Count);
VerifyEncodedData(bOut);
}
private void CheckSigParseable(byte[] sig)
{
CmsSignedDataParser sp = new CmsSignedDataParser(sig);
sp.Version.ToString();
CmsTypedStream sc = sp.GetSignedContent();
if (sc != null)
{
sc.Drain();
}
sp.GetAttributeCertificates("Collection");
sp.GetCertificates("Collection");
sp.GetCrls("Collection");
sp.GetSignerInfos();
sp.Close();
}
public void TestAttributeGenerators()
{
MemoryStream bOut = new MemoryStream();
IX509Store x509Certs = CmsTestUtil.MakeCertStore(OrigCert, SignCert);
CmsAttributeTableGenerator signedGen = new SignedGenAttributeTableGenerator();
CmsAttributeTableGenerator unsignedGen = new UnsignedGenAttributeTableGenerator();
CmsSignedDataStreamGenerator gen = new CmsSignedDataStreamGenerator();
gen.AddSigner(OrigKP.Private, OrigCert,
CmsSignedDataStreamGenerator.DigestSha1, signedGen, unsignedGen);
gen.AddCertificates(x509Certs);
byte[] testBytes = Encoding.ASCII.GetBytes(TestMessage);
Stream sigOut = gen.Open(bOut, true);
sigOut.Write(testBytes, 0, testBytes.Length);
sigOut.Close();
CmsSignedDataParser sp = new CmsSignedDataParser(bOut.ToArray());
sp.GetSignedContent().Drain();
VerifySignatures(sp);
//
// check attributes
//
SignerInformationStore signers = sp.GetSignerInfos();
foreach (SignerInformation signer in signers.GetSigners())
{
CheckAttribute(signer.GetContentDigest(), signer.SignedAttributes[dummyOid1]);
CheckAttribute(signer.GetSignature(), signer.UnsignedAttributes[dummyOid2]);
}
}
public void TestSha1EncapsulatedSignature()
{
byte[] encapSigData = Base64.Decode(
"MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEH"
+ "AaCAJIAEDEhlbGxvIFdvcmxkIQAAAAAAAKCCBGIwggINMIIBdqADAgECAgEF"
+ "MA0GCSqGSIb3DQEBBAUAMCUxFjAUBgNVBAoTDUJvdW5jeSBDYXN0bGUxCzAJ"
+ "BgNVBAYTAkFVMB4XDTA1MDgwNzA2MjU1OVoXDTA1MTExNTA2MjU1OVowJTEW"
+ "MBQGA1UEChMNQm91bmN5IENhc3RsZTELMAkGA1UEBhMCQVUwgZ8wDQYJKoZI"
+ "hvcNAQEBBQADgY0AMIGJAoGBAI1fZGgH9wgC3QiK6yluH6DlLDkXkxYYL+Qf"
+ "nVRszJVYl0LIxZdpb7WEbVpO8fwtEgFtoDsOdxyqh3dTBv+L7NVD/v46kdPt"
+ "xVkSNHRbutJVY8Xn4/TC/CDngqtbpbniMO8n0GiB6vs94gBT20M34j96O2IF"
+ "73feNHP+x8PkJ+dNAgMBAAGjTTBLMB0GA1UdDgQWBBQ3XUfEE6+D+t+LIJgK"
+ "ESSUE58eyzAfBgNVHSMEGDAWgBQ3XUfEE6+D+t+LIJgKESSUE58eyzAJBgNV"
+ "HRMEAjAAMA0GCSqGSIb3DQEBBAUAA4GBAFK3r1stYOeXYJOlOyNGDTWEhZ+a"
+ "OYdFeFaS6c+InjotHuFLAy+QsS8PslE48zYNFEqYygGfLhZDLlSnJ/LAUTqF"
+ "01vlp+Bgn/JYiJazwi5WiiOTf7Th6eNjHFKXS3hfSGPNPIOjvicAp3ce3ehs"
+ "uK0MxgLAaxievzhFfJcGSUMDMIICTTCCAbagAwIBAgIBBzANBgkqhkiG9w0B"
+ "AQQFADAlMRYwFAYDVQQKEw1Cb3VuY3kgQ2FzdGxlMQswCQYDVQQGEwJBVTAe"
+ "Fw0wNTA4MDcwNjI1NTlaFw0wNTExMTUwNjI1NTlaMGUxGDAWBgNVBAMTD0Vy"
+ "aWMgSC4gRWNoaWRuYTEkMCIGCSqGSIb3DQEJARYVZXJpY0Bib3VuY3ljYXN0"
+ "bGUub3JnMRYwFAYDVQQKEw1Cb3VuY3kgQ2FzdGxlMQswCQYDVQQGEwJBVTCB"
+ "nzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEAgHCJyfwV6/V3kqSu2SOU2E/K"
+ "I+N0XohCMUaxPLLNtNBZ3ijxwaV6JGFz7siTgZD/OGfzir/eZimkt+L1iXQn"
+ "OAB+ZChivKvHtX+dFFC7Vq+E4Uy0Ftqc/wrGxE6DHb5BR0hprKH8wlDS8wSP"
+ "zxovgk4nH0ffUZOoDSuUgjh3gG8CAwEAAaNNMEswHQYDVR0OBBYEFLfY/4EG"
+ "mYrvJa7Cky+K9BJ7YmERMB8GA1UdIwQYMBaAFDddR8QTr4P634sgmAoRJJQT"
+ "nx7LMAkGA1UdEwQCMAAwDQYJKoZIhvcNAQEEBQADgYEADIOmpMd6UHdMjkyc"
+ "mIE1yiwfClCsGhCK9FigTg6U1G2FmkBwJIMWBlkeH15uvepsAncsgK+Cn3Zr"
+ "dZMb022mwtTJDtcaOM+SNeuCnjdowZ4i71Hf68siPm6sMlZkhz49rA0Yidoo"
+ "WuzYOO+dggzwDsMldSsvsDo/ARyCGOulDOAxggEvMIIBKwIBATAqMCUxFjAU"
+ "BgNVBAoTDUJvdW5jeSBDYXN0bGUxCzAJBgNVBAYTAkFVAgEHMAkGBSsOAwIa"
+ "BQCgXTAYBgkqhkiG9w0BCQMxCwYJKoZIhvcNAQcBMBwGCSqGSIb3DQEJBTEP"
+ "Fw0wNTA4MDcwNjI1NTlaMCMGCSqGSIb3DQEJBDEWBBQu973mCM5UBOl9XwQv"
+ "lfifHCMocTANBgkqhkiG9w0BAQEFAASBgGxnBl2qozYKLgZ0ygqSFgWcRGl1"
+ "LgNuE587LtO+EKkgoc3aFqEdjXlAyP8K7naRsvWnFrsB6pUpnrgI9Z8ZSKv8"
+ "98IlpsSSJ0jBlEb4gzzavwcBpYbr2ryOtDcF+kYmKIpScglyyoLzm+KPXOoT"
+ "n7MsJMoKN3Kd2Vzh6s10PFgeAAAAAAAA");
CmsSignedDataParser sp = new CmsSignedDataParser(encapSigData);
sp.GetSignedContent().Drain();
VerifySignatures(sp);
}
public void TestEncapsulatedSignerStoreReplacement()
{
MemoryStream bOut = new MemoryStream();
IX509Store x509Certs = CmsTestUtil.MakeCertStore(OrigCert, SignCert);
CmsSignedDataStreamGenerator gen = new CmsSignedDataStreamGenerator();
gen.AddSigner(OrigKP.Private, OrigCert, CmsSignedDataStreamGenerator.DigestSha1);
gen.AddCertificates(x509Certs);
byte[] testBytes = Encoding.ASCII.GetBytes(TestMessage);
Stream sigOut = gen.Open(bOut, true);
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);
}
public void TestSha1WithRsa()
{
MemoryStream bOut = new MemoryStream();
IX509Store x509Certs = CmsTestUtil.MakeCertStore(OrigCert, SignCert);
IX509Store x509Crls = CmsTestUtil.MakeCrlStore(SignCrl, OrigCrl);
CmsSignedDataStreamGenerator gen = new CmsSignedDataStreamGenerator();
gen.AddSigner(OrigKP.Private, OrigCert, CmsSignedDataStreamGenerator.DigestSha1);
gen.AddCertificates(x509Certs);
gen.AddCrls(x509Crls);
Stream sigOut = gen.Open(bOut);
byte[] testBytes = Encoding.ASCII.GetBytes(TestMessage);
sigOut.Write(testBytes, 0, testBytes.Length);
sigOut.Close();
CheckSigParseable(bOut.ToArray());
CmsSignedDataParser sp = new CmsSignedDataParser(
new CmsTypedStream(new MemoryStream(testBytes, false)), bOut.ToArray());
sp.GetSignedContent().Drain();
// compute expected content digest
byte[] hash = DigestUtilities.CalculateDigest("SHA1", testBytes);
VerifySignatures(sp, hash);
//
// try using existing signer
//
gen = new CmsSignedDataStreamGenerator();
gen.AddSigners(sp.GetSignerInfos());
gen.AddCertificates(sp.GetCertificates("Collection"));
gen.AddCrls(sp.GetCrls("Collection"));
bOut.SetLength(0);
sigOut = gen.Open(bOut, true);
sigOut.Write(testBytes, 0, testBytes.Length);
sigOut.Close();
VerifyEncodedData(bOut);
//
// look for the CRLs
//
ArrayList col = new ArrayList(x509Crls.GetMatches(null));
Assert.AreEqual(2, col.Count);
Assert.IsTrue(col.Contains(SignCrl));
Assert.IsTrue(col.Contains(OrigCrl));
}
private void VerifySignatures(
CmsSignedDataParser sp,
byte[] contentDigest)
{
IX509Store certStore = sp.GetCertificates("Collection");
SignerInformationStore signers = sp.GetSignerInfos();
foreach (SignerInformation signer in signers.GetSigners())
{
ICollection certCollection = certStore.GetMatches(signer.SignerID);
IEnumerator certEnum = certCollection.GetEnumerator();
certEnum.MoveNext();
X509Certificate cert = (X509Certificate) certEnum.Current;
Assert.IsTrue(signer.Verify(cert));
if (contentDigest != null)
{
Assert.IsTrue(Arrays.AreEqual(contentDigest, signer.GetContentDigest()));
}
}
}
public void TestSha1WithRsaNonData()
{
MemoryStream bOut = new MemoryStream();
IX509Store x509Certs = CmsTestUtil.MakeCertStore(OrigCert, SignCert);
IX509Store x509Crls = CmsTestUtil.MakeCrlStore(SignCrl, OrigCrl);
CmsSignedDataStreamGenerator gen = new CmsSignedDataStreamGenerator();
gen.AddSigner(OrigKP.Private, OrigCert, CmsSignedDataStreamGenerator.DigestSha1);
gen.AddCertificates(x509Certs);
gen.AddCrls(x509Crls);
byte[] testBytes = Encoding.ASCII.GetBytes(TestMessage);
Stream sigOut = gen.Open(bOut, "1.2.3.4", true);
sigOut.Write(testBytes, 0, testBytes.Length);
sigOut.Close();
CmsSignedDataParser sp = new CmsSignedDataParser(bOut.ToArray());
CmsTypedStream stream = sp.GetSignedContent();
Assert.AreEqual("1.2.3.4", stream.ContentType);
stream.Drain();
// compute expected content digest
byte[] hash = DigestUtilities.CalculateDigest("SHA1", testBytes);
VerifySignatures(sp, hash);
}
public void TestSignerStoreReplacement()
{
IList certList = new ArrayList();
CmsProcessable msg = new CmsProcessableByteArray(Encoding.ASCII.GetBytes("Hello World!"));
certList.Add(OrigCert);
certList.Add(SignCert);
IX509Store x509Certs = X509StoreFactory.Create(
"Certificate/Collection",
new X509CollectionStoreParameters(certList));
CmsSignedDataGenerator gen = new CmsSignedDataGenerator();
gen.AddSigner(OrigKP.Private, OrigCert, CmsSignedDataGenerator.DigestSha1);
gen.AddCertificates(x509Certs);
CmsSignedData original = gen.Generate(msg, true);
//
// create new Signer
//
gen = new CmsSignedDataGenerator();
gen.AddSigner(OrigKP.Private, OrigCert, CmsSignedDataGenerator.DigestSha224);
gen.AddCertificates(x509Certs);
CmsSignedData newSD = gen.Generate(msg, true);
//
// replace signer
//
CmsSignedData sd = CmsSignedData.ReplaceSigners(original, newSD.GetSignerInfos());
IEnumerator signerEnum = sd.GetSignerInfos().GetSigners().GetEnumerator();
signerEnum.MoveNext();
SignerInformation signer = (SignerInformation) signerEnum.Current;
Assert.AreEqual(CmsSignedDataGenerator.DigestSha224, signer.DigestAlgOid);
// we use a parser here as it requires the digests to be correct in the digest set, if it
// isn't we'll get a NullPointerException
CmsSignedDataParser sp = new CmsSignedDataParser(sd.GetEncoded());
sp.GetSignedContent().Drain();
VerifySignatures(sp);
}
public void TestSha1AndMD5WithRsa()
{
MemoryStream bOut = new MemoryStream();
IX509Store x509Certs = CmsTestUtil.MakeCertStore(OrigCert, SignCert);
CmsSignedDataStreamGenerator gen = new CmsSignedDataStreamGenerator();
gen.AddDigests(CmsSignedDataStreamGenerator.DigestSha1,
CmsSignedDataStreamGenerator.DigestMD5);
byte[] testBytes = Encoding.ASCII.GetBytes(TestMessage);
Stream sigOut = gen.Open(bOut);
sigOut.Write(testBytes, 0, testBytes.Length);
gen.AddCertificates(x509Certs);
gen.AddSigner(OrigKP.Private, OrigCert, CmsSignedDataStreamGenerator.DigestSha1);
gen.AddSigner(OrigKP.Private, OrigCert, CmsSignedDataStreamGenerator.DigestMD5);
sigOut.Close();
CheckSigParseable(bOut.ToArray());
CmsSignedDataParser sp = new CmsSignedDataParser(
new CmsTypedStream(new MemoryStream(testBytes, false)), bOut.ToArray());
sp.GetSignedContent().Drain();
VerifySignatures(sp);
}
/// <summary>
/// Imports certificates (as from a certs-only application/pkcs-mime part)
/// from the specified stream.
/// </summary>
/// <param name="stream">The raw key data.</param>
/// <exception cref="System.ArgumentNullException">
/// <paramref name="stream"/> is <c>null</c>.
/// </exception>
/// <exception cref="Org.BouncyCastle.Cms.CmsException">
/// An error occurred in the cryptographic message syntax subsystem.
/// </exception>
public override void Import(Stream stream)
{
if (stream == null)
throw new ArgumentNullException ("stream");
var parser = new CmsSignedDataParser (stream);
var certificates = parser.GetCertificates ("Collection");
foreach (X509Certificate certificate in certificates.GetMatches (null))
Import (certificate);
var crls = parser.GetCrls ("Collection");
foreach (X509Crl crl in crls.GetMatches (null))
Import (crl);
}
public void TestSha1WithRsaEncapsulatedBufferedStream()
{
MemoryStream bOut = new MemoryStream();
IX509Store x509Certs = CmsTestUtil.MakeCertStore(OrigCert, SignCert);
//
// find unbuffered length
//
CmsSignedDataStreamGenerator gen = new CmsSignedDataStreamGenerator();
gen.AddSigner(OrigKP.Private, OrigCert, CmsSignedDataStreamGenerator.DigestSha1);
gen.AddCertificates(x509Certs);
Stream sigOut = gen.Open(bOut, true);
for (int i = 0; i != 2000; i++)
{
sigOut.WriteByte((byte)(i & 0xff));
}
sigOut.Close();
CmsSignedDataParser sp = new CmsSignedDataParser(bOut.ToArray());
sp.GetSignedContent().Drain();
VerifySignatures(sp);
int unbufferedLength = bOut.ToArray().Length;
//
// find buffered length with buffered stream - should be equal
//
bOut.SetLength(0);
gen = new CmsSignedDataStreamGenerator();
gen.AddSigner(OrigKP.Private, OrigCert, CmsSignedDataStreamGenerator.DigestSha1);
gen.AddCertificates(x509Certs);
sigOut = gen.Open(bOut, true);
byte[] data = new byte[2000];
for (int i = 0; i != 2000; i++)
{
data[i] = (byte)(i & 0xff);
}
Streams.PipeAll(new MemoryStream(data, false), sigOut);
sigOut.Close();
VerifyEncodedData(bOut);
Assert.AreEqual(unbufferedLength, bOut.ToArray().Length);
}
/// <summary>
/// Verify the digital signatures of the specified signedData and extract the original content.
/// </summary>
/// <returns>The list of digital signatures.</returns>
/// <param name="signedData">The signed data.</param>
/// <param name="entity">The unencapsulated entity.</param>
/// <exception cref="System.ArgumentNullException">
/// <paramref name="signedData"/> is <c>null</c>.
/// </exception>
/// <exception cref="Org.BouncyCastle.Cms.CmsException">
/// An error occurred in the cryptographic message syntax subsystem.
/// </exception>
public DigitalSignatureCollection Verify(Stream signedData, out MimeEntity entity)
{
if (signedData == null)
throw new ArgumentNullException ("signedData");
var parser = new CmsSignedDataParser (signedData);
var signed = parser.GetSignedContent ();
entity = MimeEntity.Load (signed.ContentStream);
return GetDigitalSignatures (parser);
}
public void TestSha1WithRsaEncapsulatedBuffered()
{
MemoryStream bOut = new MemoryStream();
IX509Store x509Certs = CmsTestUtil.MakeCertStore(OrigCert, SignCert);
//
// find unbuffered length
//
CmsSignedDataStreamGenerator gen = new CmsSignedDataStreamGenerator();
gen.AddSigner(OrigKP.Private, OrigCert, CmsSignedDataStreamGenerator.DigestSha1);
gen.AddCertificates(x509Certs);
Stream sigOut = gen.Open(bOut, true);
for (int i = 0; i != 2000; i++)
{
sigOut.WriteByte((byte)(i & 0xff));
}
sigOut.Close();
CmsSignedDataParser sp = new CmsSignedDataParser(bOut.ToArray());
sp.GetSignedContent().Drain();
VerifySignatures(sp);
int unbufferedLength = bOut.ToArray().Length;
//
// find buffered length - buffer size less than default
//
bOut.SetLength(0);
gen = new CmsSignedDataStreamGenerator();
gen.SetBufferSize(300);
gen.AddSigner(OrigKP.Private, OrigCert, CmsSignedDataStreamGenerator.DigestSha1);
gen.AddCertificates(x509Certs);
sigOut = gen.Open(bOut, true);
for (int i = 0; i != 2000; i++)
{
sigOut.WriteByte((byte)(i & 0xff));
}
sigOut.Close();
VerifyEncodedData(bOut);
Assert.IsTrue(unbufferedLength < bOut.ToArray().Length);
}
/**
* 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)
{
// NB: SecureRandom would be ignored since using existing signatures only
CmsSignedDataStreamGenerator gen = new CmsSignedDataStreamGenerator();
CmsSignedDataParser parser = new CmsSignedDataParser(original);
gen.AddDigests(parser.DigestOids);
CmsTypedStream signedContent = parser.GetSignedContent();
bool encapsulate = (signedContent != null);
Stream contentOut = gen.Open(outStr, parser.SignedContentType.Id, encapsulate);
if (encapsulate)
{
Streams.PipeAll(signedContent.ContentStream, contentOut);
}
// gen.AddAttributeCertificates(parser.GetAttributeCertificates("Collection"));
// gen.AddCertificates(parser.GetCertificates("Collection"));
// gen.AddCrls(parser.GetCrls("Collection"));
if (x509AttrCerts != null)
gen.AddAttributeCertificates(x509AttrCerts);
if (x509Certs != null)
gen.AddCertificates(x509Certs);
if (x509Crls != null)
gen.AddCrls(x509Crls);
gen.AddSigners(parser.GetSignerInfos());
contentOut.Close();
return outStr;
}
protected void Complete(Level level, Stream embedded, Stream signed, X509Certificate2 providedSigner, out TimemarkKey timemarkKey)
{
trace.TraceEvent(TraceEventType.Information, 0, "Completing the message with of {0} bytes to level {1}", signed.Length, level);
//Prepare generator, parser and time-mark Key
CmsSignedDataStreamGenerator gen = new CmsSignedDataStreamGenerator();
CmsSignedDataParser parser = new CmsSignedDataParser(signed);
timemarkKey = new TimemarkKey();
//preset the digests so we can add the signers afterwards
gen.AddDigests(parser.DigestOids);
//Copy the content
CmsTypedStream signedContent = parser.GetSignedContent();
Stream contentOut = gen.Open(embedded, parser.SignedContentType.Id, true);
signedContent.ContentStream.CopyTo(contentOut);
//Extract the signer info
SignerInformationStore signerInfoStore = parser.GetSignerInfos();
IEnumerator signerInfos = signerInfoStore.GetSigners().GetEnumerator();
if (!signerInfos.MoveNext())
{
trace.TraceEvent(TraceEventType.Error, 0, "The message to complete does not contain a signature");
throw new InvalidMessageException("The message does not contain a signature");
}
SignerInformation signerInfo = (SignerInformation)signerInfos.Current;
if (signerInfos.MoveNext())
{
trace.TraceEvent(TraceEventType.Error, 0, "The message to complete does not contain more then one signature");
throw new InvalidMessageException("The message does contain multiple signatures, which isn't supported");
}
//Extract the signing key
timemarkKey.SignatureValue = signerInfo.GetSignature();
//Extract the unsigned attributes & signing time
bool hasSigningTime;
IDictionary unsignedAttributes = signerInfo.UnsignedAttributes != null ? signerInfo.UnsignedAttributes.ToDictionary() : new Hashtable();
BC::Asn1.Cms.Attribute singingTimeAttr = signerInfo.SignedAttributes != null ? signerInfo.SignedAttributes[CmsAttributes.SigningTime] : null;
if (singingTimeAttr == null)
{
trace.TraceEvent(TraceEventType.Warning, 0, "The message to complete does not contain a signing time");
hasSigningTime = false;
timemarkKey.SigningTime = DateTime.UtcNow;
}
else
{
hasSigningTime = false;
timemarkKey.SigningTime = new BC::Asn1.Cms.Time(((DerSet)singingTimeAttr.AttrValues)[0].ToAsn1Object()).Date;
}
//Extract the signer, if available
IX509Store embeddedCerts = parser.GetCertificates("Collection");
if (embeddedCerts != null && embeddedCerts.GetMatches(null).Count > 0)
{
//Embedded certs found, we use that
IEnumerator signerCerts = embeddedCerts.GetMatches(signerInfo.SignerID).GetEnumerator();
if (!signerCerts.MoveNext()) {
trace.TraceEvent(TraceEventType.Error, 0, "The message does contains certificates, but the signing certificate is missing");
throw new InvalidMessageException("The message does not contain the signer certificate");
}
timemarkKey.Signer = new X509Certificate2(((BC::X509.X509Certificate)signerCerts.Current).GetEncoded());
trace.TraceEvent(TraceEventType.Verbose, 0, "The message contains certificates, of which {0} is the signer", timemarkKey.Signer.Subject);
//Add the certs to the new message
gen.AddCertificates(embeddedCerts);
}
else
{
//No embedded certs, lets construct it.
if (providedSigner == null)
{
trace.TraceEvent(TraceEventType.Error, 0, "The provided message does not contain any embedded certificates");
throw new InvalidMessageException("The message does not contain any embedded certificates");
}
timemarkKey.Signer = providedSigner;
trace.TraceEvent(TraceEventType.Verbose, 0, "The message does not contains certificates, adding the chain of {0}", timemarkKey.Signer.Subject);
//Construct the chain of certificates
Chain chain = timemarkKey.Signer.BuildBasicChain(timemarkKey.SigningTime, extraStore);
if (chain.ChainStatus.Count(x => x.Status != X509ChainStatusFlags.NoError) > 0)
{
trace.TraceEvent(TraceEventType.Error, 0, "The certification chain of {0} failed with errors", chain.ChainElements[0].Certificate.Subject);
throw new InvalidMessageException(string.Format("The certificate chain of the signer {0} fails basic validation", timemarkKey.Signer.Subject));
}
List<BC::X509.X509Certificate> senderChainCollection = new List<BC::X509.X509Certificate>();
foreach (ChainElement ce in chain.ChainElements)
{
trace.TraceEvent(TraceEventType.Verbose, 0, "Adding the certificate {0} to the message", ce.Certificate.Subject);
senderChainCollection.Add(DotNetUtilities.FromX509Certificate(ce.Certificate));
}
embeddedCerts = X509StoreFactory.Create("CERTIFICATE/COLLECTION", new X509CollectionStoreParameters(senderChainCollection));
//Add the certificates to the new message
gen.AddCertificates(embeddedCerts);
}
//Getting any existing time stamps
TimeStampToken tst = null;
BC::Asn1.Cms.Attribute timestampAttr = (BC::Asn1.Cms.Attribute)unsignedAttributes[PkcsObjectIdentifiers.IdAASignatureTimeStampToken];
if (timestampAttr == null || ((DerSet)timestampAttr.AttrValues).Count == 0)
{
//there is no TST
if ((level & Level.T_Level) == Level.T_Level && timestampProvider != null)
{
//There should be a TST
if (DateTime.UtcNow > (timemarkKey.SigningTime + EteeActiveConfig.ClockSkewness + Settings.Default.TimestampGracePeriod))
{
trace.TraceEvent(TraceEventType.Error, 0, "The message was created on {0}, which is beyond the allows period of {2} to time-stamp", timemarkKey.SigningTime, Settings.Default.TimestampGracePeriod);
throw new InvalidMessageException("The message it to old to add a time-stamp");
}
SHA256 sha = SHA256.Create();
byte[] signatureHash = sha.ComputeHash(timemarkKey.SignatureValue);
trace.TraceEvent(TraceEventType.Verbose, 0, "SHA-256 hashed the signature value from {0} to {1}", Convert.ToBase64String(timemarkKey.SignatureValue), Convert.ToBase64String(signatureHash));
byte[] rawTst = timestampProvider.GetTimestampFromDocumentHash(signatureHash, "http://www.w3.org/2001/04/xmlenc#sha256");
tst = rawTst.ToTimeStampToken();
if (!tst.IsMatch(new MemoryStream(timemarkKey.SignatureValue)))
{
trace.TraceEvent(TraceEventType.Error, 0, "The time-stamp does not correspond to the signature value {0}", Convert.ToBase64String(timemarkKey.SignatureValue));
throw new InvalidOperationException("The time-stamp authority did not return a matching time-stamp");
}
//Don't verify the time-stamp, it is done later
//embed TST
BC::Asn1.Cms.Attribute signatureTstAttr = new BC::Asn1.Cms.Attribute(PkcsObjectIdentifiers.IdAASignatureTimeStampToken, new DerSet(Asn1Object.FromByteArray(rawTst)));
unsignedAttributes[signatureTstAttr.AttrType] = signatureTstAttr;
trace.TraceEvent(TraceEventType.Verbose, 0, "Added the time-stamp: {0}", Convert.ToBase64String(rawTst));
//The certs are part of the TST, so no need to add them to the CMS
}
}
else
{
//There is one, extract it we need it later
DerSet rawTsts = (DerSet)timestampAttr.AttrValues;
if (rawTsts.Count > 1)
{
trace.TraceEvent(TraceEventType.Error, 0, "There are {0} signature timestamps present", rawTsts.Count);
throw new NotSupportedException("The library does not support more then one time-stamp");
}
tst = rawTsts[0].GetEncoded().ToTimeStampToken();
if (!hasSigningTime)
{
trace.TraceEvent(TraceEventType.Information, 0, "Implicit signing time {0} is replaced with time-stamp time {1}", timemarkKey.SigningTime, tst.TimeStampInfo.GenTime);
timemarkKey.SigningTime = tst.TimeStampInfo.GenTime;
}
if (tst.TimeStampInfo.GenTime > (timemarkKey.SigningTime + EteeActiveConfig.ClockSkewness + Settings.Default.TimestampGracePeriod))
{
trace.TraceEvent(TraceEventType.Error, 0, "The message was time-stamped on {0}, which is beyond the allows period of {2} from the signing time {1}", tst.TimeStampInfo.GenTime, timemarkKey.SigningTime, Settings.Default.TimestampGracePeriod);
throw new InvalidMessageException("The message wasn't timestamped on time");
}
}
if ((level & Level.L_Level) == Level.L_Level)
{
//Add revocation info
IList<CertificateList> crls = null;
IList<BasicOcspResponse> ocsps = null;
BC::Asn1.Cms.Attribute revocationAttr = (BC::Asn1.Cms.Attribute)unsignedAttributes[PkcsObjectIdentifiers.IdAAEtsRevocationValues];
if (revocationAttr != null)
{
DerSet revocationInfoSet = (DerSet) revocationAttr.AttrValues;
if (revocationInfoSet == null || revocationInfoSet.Count == 0)
{
RevocationValues revocationInfo = RevocationValues.GetInstance(revocationInfoSet[0]);
crls = new List<CertificateList>(revocationInfo.GetCrlVals());
trace.TraceEvent(TraceEventType.Verbose, 0, "Found {1} CRL's in the message", crls.Count);
ocsps = new List<BasicOcspResponse>(revocationInfo.GetOcspVals());
trace.TraceEvent(TraceEventType.Verbose, 0, "Found {1} OCSP's in the message", ocsps.Count);
}
}
if (crls == null) crls = new List<CertificateList>();
if (ocsps == null) ocsps = new List<BasicOcspResponse>();
//Add the message certificate chain revocation info + check if successful
var extraStore = new X509Certificate2Collection();
foreach (Org.BouncyCastle.X509.X509Certificate cert in embeddedCerts.GetMatches(null))
{
extraStore.Add(new X509Certificate2(cert.GetEncoded()));
}
Chain chain = timemarkKey.Signer.BuildChain(timemarkKey.SigningTime, extraStore, ref crls, ref ocsps);
if (chain.ChainStatus.Count(x => x.Status != X509ChainStatusFlags.NoError) > 0)
{
trace.TraceEvent(TraceEventType.Error, 0, "The certificate chain of the signer {0} failed with {1} issues: {2}, {3}", timemarkKey.Signer.Subject,
chain.ChainStatus.Count, chain.ChainStatus[0].Status, chain.ChainStatus[0].StatusInformation);
throw new InvalidMessageException(string.Format("The certificate chain of the signer {0} fails revocation validation", timemarkKey.Signer.Subject));
}
//Add the time-stamp certificate chain revocation info + check if successful
if (tst != null)
{
Timestamp ts = tst.Validate(ref crls, ref ocsps);
if (ts.TimestampStatus.Count(x => x.Status != X509ChainStatusFlags.NoError) > 0)
{
trace.TraceEvent(TraceEventType.Error, 0, "The certificate chain of the time-stamp signer {0} failed with {1} issues: {2}, {3}", ts.CertificateChain.ChainElements[0].Certificate.Subject,
ts.TimestampStatus.Count, ts.TimestampStatus[0].Status, ts.TimestampStatus[0].StatusInformation);
throw new InvalidMessageException("The embedded time-stamp fails validation");
}
}
//Embed revocation info
RevocationValues revocationValues = new RevocationValues(crls, ocsps, null);
revocationAttr = new BC::Asn1.Cms.Attribute(PkcsObjectIdentifiers.IdAAEtsRevocationValues, new DerSet(revocationValues.ToAsn1Object()));
unsignedAttributes[revocationAttr.AttrType] = revocationAttr;
trace.TraceEvent(TraceEventType.Verbose, 0, "Added {0} OCSP's and {1} CRL's to the message", ocsps.Count, crls.Count);
}
//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();
}
