Verify() public method

True if this certificate is signed by a CA whose cetificate we have, false otherwise.
public Verify ( Mono.Security.X509.X509Certificate x509, ISender sender ) : bool
x509 Mono.Security.X509.X509Certificate
sender ISender
return bool
        public void ValidityTest()
        {
            CertificateHandler       ch  = new CertificateHandler();
            RSACryptoServiceProvider rsa = new RSACryptoServiceProvider(512);

            byte[] blob = rsa.ExportCspBlob(false);
            RSACryptoServiceProvider rsa_pub = new RSACryptoServiceProvider();

            rsa_pub.ImportCspBlob(blob);
            string           ID = "brunet:node:PXYSWDL5SZDHDDXJKZCLFENOP2KZDMBU";
            CertificateMaker cm = new CertificateMaker("US", "UFL", "ACIS", "David Wolinsky",
                                                       "*****@*****.**", rsa_pub, ID);
            Certificate cert_0 = cm.Sign(cm, rsa);

            ch.AddSignedCertificate(cert_0.X509);
            ch.AddCACertificate(cert_0.X509);
            rsa = new RSACryptoServiceProvider(1024);
            rsa_pub.ImportCspBlob(rsa.ExportCspBlob(false));
            cm = new CertificateMaker("US", "UFL", "ACIS", "David Wolinsky",
                                      "*****@*****.**", rsa_pub, ID);
            Certificate cert_1 = cm.Sign(cm, rsa);

            Assert.IsTrue(ch.Verify(cert_0.X509, null, ID), "Valid");
            bool success = false;

            try {
                success = ch.Verify(cert_1.X509, null, ID);
            } catch { }
            Assert.IsTrue(!success, "Valid cert2");
        }
Example #2
0
        /// <summary>2b) Receive a DHEWithCertificateAndCAs, verify the certificate and attempt
        /// to find a matching Certificate for the list of CAs, if you find one,
        /// finish the DHE handshake and send the certificate via a DHEWithCertificate</summary>
        /// <param name="sa">A security association that we wish to perform the
        /// specified control operation on.</param>
        /// <param name="scm">The received SecurityControlMessage.</param>
        /// <param name="scm_reply">A prepared reply message (with headers and such.</param>
        /// <param name="return_path">Where to send the result.</param>
        /// <param name="low_level_sender">We expect the return_path to not be an edge or
        /// some other type of "low level" sender, so this contains the parsed out value.</param>
        protected void HandleControlDHEWithCertificateAndCAs(SecurityAssociation sa,
                                                             SecurityControlMessage scm, SecurityControlMessage scm_reply,
                                                             ISender return_path, ISender low_level_sender)
        {
            ProtocolLog.WriteIf(ProtocolLog.Security, GetHashCode() + " Received DHEWithCertificateAndCAs from: " + low_level_sender);
            if (sa == null)
            {
                sa = CreateSecurityAssociation(low_level_sender, scm.SPI, false);
            }
            byte[] cert = new byte[scm.Certificate.Length];
            scm.Certificate.CopyTo(cert, 0);
            X509Certificate rcert = new X509Certificate(cert);

            _ch.Verify(rcert);
            HashAlgorithm sha1 = new SHA1CryptoServiceProvider();

            scm.Verify((RSACryptoServiceProvider)rcert.RSA, sha1);

            X509Certificate lcert = null;

            if (SecurityPolicy.GetPolicy(scm.SPI).PreExchangedKeys)
            {
                lcert = _ch.DefaultCertificate;
            }
            else
            {
                lcert = _ch.FindCertificate(scm.CAs);
            }

            sa.LocalCertificate.Value  = lcert;
            sa.RemoteCertificate.Value = rcert;
            sa.RDHE.Value = scm.DHE;
            sa.DHEWithCertificateAndCAsInHash.Value = MemBlock.Reference(sha1.ComputeHash((byte[])scm.Packet));

            scm_reply.LocalCookie  = scm.RemoteCookie;
            scm_reply.RemoteCookie = scm.LocalCookie;
            scm_reply.DHE          = sa.LDHE;
            scm_reply.Certificate  = MemBlock.Reference(lcert.RawData);
            scm_reply.Type         = SecurityControlMessage.MessageType.DHEWithCertificate;
            lock (_private_key_lock) {
                scm_reply.Sign(_private_key, sha1);
            }
            sa.DHEWithCertificateHash.Value = MemBlock.Reference(sha1.ComputeHash((byte[])scm_reply.Packet));

            ICopyable to_send = new CopyList(SecureControl, scm_reply.Packet);

            return_path.Send(to_send);
            ProtocolLog.WriteIf(ProtocolLog.Security, GetHashCode() + " Successful DHEWithCertificateAndCAs from: " + low_level_sender);
        }
Example #3
0
        public bool Verify(X509Certificate certificate, ISender sender)
        {
            Address  addr     = null;
            AHSender ahsender = sender as AHSender;

            if (ahsender != null)
            {
                addr = ahsender.Destination;
            }
            else
            {
                Edge edge = sender as Edge;
                if (edge != null)
                {
                    Connection con = _ct.GetConnection(edge);
                    if (con != null)
                    {
                        addr = con.Address;
                    }
                }
            }

            if (addr == null)
            {
                return(true);
            }
            return(CertificateHandler.Verify(certificate, addr.ToString()));
        }
        public bool Verify(X509Certificate certificate, ISender sender)
        {
            AHSender ahsender = sender as AHSender;

            if (ahsender == null)
            {
                return(true);
            }

            return(CertificateHandler.Verify(certificate, ahsender.Destination.ToString()));
        }
        /// <summary>Checks with the CertificateHandler to see if the certificates
        /// for active sessions are still valid.  If they are not, they are closed
        /// immediately.</summary>
        public void VerifySAs()
        {
            foreach (SecurityAssociation sa in _sas)
            {
                string message = "Certificate revoked.";
                bool   valid   = false;

                try {
                    valid = _ch.Verify(sa.RemoteCertificate, sa.Sender);
                } catch (Exception e) {
                    message = e.Message;
                }

                if (!valid)
                {
                    sa.Close(message);
                }
            }
        }
Example #6
0
 public bool Verify(string id)
 {
     return(_ch.Verify(RemoteCertificate, Sender, id));
 }