private TimeStampResponse getTimeStamp(string URL)
{
//RFC3161 compliant Time Stamp Authority (TSA) server
TimeStampResponse response = null;
byte[] sha1Digest = new byte [20];
TimeStampRequestGenerator reqGen = new TimeStampRequestGenerator();
//SecureRandom randomGenerator = SecureRandom.GetInstance("SHA1PRNG");
//long nonce = randomGenerator.NextLong();
Org.BouncyCastle.Asn1.DerObjectIdentifier oDR = new Org.BouncyCastle.Asn1.DerObjectIdentifier("1.3.6.1.4.1.311.3.2.1");
// request with digestAlgorithmOID, byte[] digest, java.math.BigInteger nonc
//byte[] digest = TSToken.TimeStampInfo.GetMessageImprintDigest();
TimeStampRequest request = reqGen.Generate(oDR, sha1Digest, Org.BouncyCastle.Math.BigInteger.ValueOf(100));
byte[] reqData = request.GetEncoded();
WebRequest conn = WebRequest.Create(URL);
Stream st = conn.GetRequestStream();
st.Write(reqData, 0, reqData.Length);
st.Flush();
st.Close();
var resposta = conn.GetResponse();
Stream stReponse = resposta.GetResponseStream();
response = new TimeStampResponse(stReponse);
stReponse.Close();
return(response);
}
public object GetResult()
{
// Org.BouncyCastle.Crypto.Tls.TlsContext
// https://github.com/bcgit/bc-csharp/blob/master/crypto/src/crypto/tls/Chacha20Poly1305.cs
// var ccp = new Org.BouncyCastle.Crypto.Tls.Chacha20Poly1305(null);
Org.BouncyCastle.Asn1.DerObjectIdentifier cc = Org.BouncyCastle.Asn1.X509.X509Name.CountryOfCitizenship;
Org.BouncyCastle.Asn1.DerObjectIdentifier cr = Org.BouncyCastle.Asn1.X509.X509Name.CountryOfResidence;
Org.BouncyCastle.Asn1.DerObjectIdentifier coi = Org.BouncyCastle.Asn1.X509.X509Name.OrganizationIdentifier;
// https://deliciousbrains.com/ssl-certificate-authority-for-local-https-development/
// https://dzone.com/articles/creating-self-signed-certificate
// https://stackoverflow.com/questions/10175812/how-to-create-a-self-signed-certificate-with-openssl
// https://www.akadia.com/services/ssh_test_certificate.html
// https://coderanch.com/how-to/javadoc/itext-2.1.7/com/lowagie/text/pdf/PdfPKCS7.X509Name.html#CN
var oc = Org.BouncyCastle.Asn1.X509.X509Name.C; // Country code
var oST = Org.BouncyCastle.Asn1.X509.X509Name.ST; // State or Province
var ol = Org.BouncyCastle.Asn1.X509.X509Name.L; // Locality
var oo = Org.BouncyCastle.Asn1.X509.X509Name.O; // Organization name
var ou = Org.BouncyCastle.Asn1.X509.X509Name.OU; // Organizational Unit Name
var ocn = Org.BouncyCastle.Asn1.X509.X509Name.CN; // Common name
var oce = Org.BouncyCastle.Asn1.X509.X509Name.E; // email address in Verisign certificates
var ocee = Org.BouncyCastle.Asn1.X509.X509Name.EmailAddress; // Email address (RSA PKCS#9 extension) - IA5String
Org.BouncyCastle.Asn1.X509.X509Name a = new Org.BouncyCastle.Asn1.X509.X509Name("ou");
throw new System.NotImplementedException();
}
/// <summary>
/// Get the value of an extension oid.
/// </summary>
private static Org.BouncyCastle.Asn1.Asn1Object GetExtensionValue(
Org.BouncyCastle.X509.IX509Extension extension,
Org.BouncyCastle.Asn1.DerObjectIdentifier oid)
{
Org.BouncyCastle.Asn1.Asn1OctetString asn1Octet = extension.GetExtensionValue(oid);
if (asn1Octet != null)
{
return(Org.BouncyCastle.X509.Extension.X509ExtensionUtilities.FromExtensionValue(asn1Octet));
}
return(null);
}
} // End Function SignHashInternal
private byte[] DerEncode(byte[] hash,
Org.BouncyCastle.Crypto.IDigest digest
)
{
Org.BouncyCastle.Asn1.DerObjectIdentifier digestOid = this.m_oidMap[digest.AlgorithmName];
Org.BouncyCastle.Asn1.X509.AlgorithmIdentifier algid =
new Org.BouncyCastle.Asn1.X509.AlgorithmIdentifier(
digestOid, Org.BouncyCastle.Asn1.DerNull.Instance
);
Org.BouncyCastle.Asn1.X509.DigestInfo di =
new Org.BouncyCastle.Asn1.X509.DigestInfo(algid, hash);
return(di.GetDerEncoded());
} // End Function DerEncode
/// <summary>
/// Gets the issuer name info.
/// </summary>
/// <remarks>
/// For a list of available identifiers, see <see cref="Org.BouncyCastle.Asn1.X509.X509Name"/>.
/// </remarks>
/// <returns>The issuer name info.</returns>
/// <param name="certificate">The certificate.</param>
/// <param name="identifier">The name identifier.</param>
/// <exception cref="System.ArgumentNullException">
/// <paramref name="certificate"/> is <c>null</c>.
/// </exception>
private static string GetSubjectNameInfo(
Org.BouncyCastle.X509.X509Certificate certificate
, Org.BouncyCastle.Asn1.DerObjectIdentifier identifier)
{
if (certificate == null)
{
throw new System.ArgumentNullException(nameof(certificate));
}
// FIXME: GetValueList() should be fixed to return IList<string>
System.Collections.IList list = certificate.SubjectDN.GetValueList(identifier);
if (list.Count == 0)
{
return(string.Empty);
}
return((string)list[0]);
}
private static void AddCurveParameters(TEllipticCurve curve, Org.BouncyCastle.Asn1.DerObjectIdentifier id)
{
Org.BouncyCastle.Asn1.X9.X9ECParameters ecP = Org.BouncyCastle.Crypto.EC.CustomNamedCurves.GetByOid(id);
_CurveParameters.Add(curve, new Org.BouncyCastle.Crypto.Parameters.ECDomainParameters(ecP.Curve, ecP.G, ecP.N, ecP.H, ecP.GetSeed()));
}