public Verify ( |
||
rsa | ||
hash | ||
Résultat | bool |
/// <summary>3b) Receive a Confirm, verify the entire stack and send a Confirm /// 4a)Receive a Confirm, verify the entire stack and all set to go</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 HandleControlConfirm(PeerSecAssociation sa, SecurityControlMessage scm, SecurityControlMessage scm_reply, ISender return_path, ISender low_level_sender) { ProtocolLog.WriteIf(ProtocolLog.Security, GetHashCode() + " Received Confirm from: " + low_level_sender); if (sa == null) { throw new Exception("No valid SA!"); } HashAlgorithm sha1 = new SHA1CryptoServiceProvider(); scm.Verify((RSACryptoServiceProvider)sa.RemoteCertificate.RSA, sha1); if (return_path == low_level_sender) { sa.VerifyResponse(scm.Hash); } else { sa.VerifyRequest(scm.Hash); scm_reply.LocalCookie = scm.RemoteCookie; scm_reply.RemoteCookie = scm.LocalCookie; scm_reply.Hash = sa.DHEWithCertificateAndCAsInHash.Value; scm_reply.Type = SecurityControlMessage.MessageType.Confirm; lock (_private_key_lock) { scm_reply.Sign(_private_key, sha1); } ICopyable to_send = new CopyList(SecureControl, scm_reply.Packet); return_path.Send(to_send); } sa.Enable(); ProtocolLog.WriteIf(ProtocolLog.Security, GetHashCode() + " Successful Confirm from: " + low_level_sender); }
/// <summary>3a) Receive a DHEWithCertificate, verify the certificate and DHE and /// send a Confirm that you are ready to Verify the stack and start the /// system.</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 HandleControlDHEWithCertificates(PeerSecAssociation sa, SecurityControlMessage scm, SecurityControlMessage scm_reply, ISender return_path, ISender low_level_sender) { ProtocolLog.WriteIf(ProtocolLog.Security, GetHashCode() + " Received DHEWithCertificate from: " + low_level_sender); if (sa == null) { throw new Exception("No valid SA!"); } byte[] cert = new byte[scm.Certificate.Length]; scm.Certificate.CopyTo(cert, 0); X509Certificate rcert = new X509Certificate(cert); HashAlgorithm sha1 = new SHA1CryptoServiceProvider(); scm.Verify((RSACryptoServiceProvider)rcert.RSA, sha1); _ch.Verify(rcert, low_level_sender); sa.RemoteCertificate = rcert; sa.RDHE.Value = scm.DHE; scm_reply.LocalCookie = scm.RemoteCookie; scm_reply.RemoteCookie = scm.LocalCookie; scm_reply.Hash = MemBlock.Reference(sha1.ComputeHash((byte[])scm.Packet)); scm_reply.Type = SecurityControlMessage.MessageType.Confirm; lock (_private_key_lock) { scm_reply.Sign(_private_key, sha1); } ICopyable to_send = new CopyList(Security, SecureControl, scm_reply.Packet); _rrman.SendRequest(return_path, ReqrepManager.ReqrepType.Request, to_send, this, sa); ProtocolLog.WriteIf(ProtocolLog.Security, GetHashCode() + " Successful DHEWithCertificate from: " + low_level_sender); }
/// <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(PeerSecAssociation 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, low_level_sender); 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 = lcert; sa.RemoteCertificate = 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); }
public void Incoming() { Random rand = new Random(); byte[] local_cookie = new byte[SecurityControlMessage.CookieLength]; byte[] remote_cookie = new byte[SecurityControlMessage.CookieLength]; byte[] dhe = new byte[144]; byte[] cas = new byte[120]; byte[] cert = new byte[100]; RSACryptoServiceProvider rsa = new RSACryptoServiceProvider(); HashAlgorithm hash = new SHA1CryptoServiceProvider(); rand.NextBytes(local_cookie); rand.NextBytes(remote_cookie); rand.NextBytes(dhe); rand.NextBytes(cas); rand.NextBytes(cert); MemBlock mlocal_cookie = MemBlock.Reference(local_cookie); MemBlock mremote_cookie = MemBlock.Reference(remote_cookie); MemBlock mdhe = MemBlock.Reference(dhe); MemBlock mcert = MemBlock.Reference(cert); MemBlock mcas = MemBlock.Reference(cas); List<MemBlock> lcas = new List<MemBlock>(); for(int i = 0; i < cas.Length; i+= SecurityControlMessage.CALength) { lcas.Add(MemBlock.Reference(mcas.Slice(i, SecurityControlMessage.CALength))); } int length = 4 + 4 + 4 + 2 * SecurityControlMessage.CookieLength + 4 + cas.Length + 4 + dhe.Length + 4 + cert.Length; byte[] b = new byte[length]; int pos = 0; NumberSerializer.WriteInt(5, b, pos); pos += 4; NumberSerializer.WriteInt(12345, b, pos); pos += 4; NumberSerializer.WriteInt((int) SecurityControlMessage.MessageType.DHEWithCertificateAndCAs, b, pos); pos += 4; local_cookie.CopyTo(b, pos); pos += SecurityControlMessage.CookieLength; remote_cookie.CopyTo(b, pos); pos += SecurityControlMessage.CookieLength; NumberSerializer.WriteInt(dhe.Length, b, pos); pos += 4; dhe.CopyTo(b, pos); pos += dhe.Length; NumberSerializer.WriteInt(cert.Length, b, pos); pos += 4; cert.CopyTo(b, pos); pos += cert.Length; NumberSerializer.WriteInt(cas.Length, b, pos); pos += 4; mcas.CopyTo(b, pos); pos += cas.Length; byte[] signature = rsa.SignData(b, hash); byte[] nb = new byte[b.Length + signature.Length]; b.CopyTo(nb, 0); signature.CopyTo(nb, b.Length); MemBlock packet = MemBlock.Reference(nb); // check SecurityControlMessage scm = new SecurityControlMessage(packet); Assert.AreEqual(5, scm.Version, "Version"); Assert.AreEqual(12345, scm.SPI, "SPI"); Assert.AreEqual(SecurityControlMessage.MessageType.DHEWithCertificateAndCAs, scm.Type, "Type"); Assert.AreEqual(mlocal_cookie, scm.LocalCookie, "LocalCookie"); Assert.AreEqual(mremote_cookie, scm.RemoteCookie, "RemoteCookie"); Assert.AreEqual(mdhe, scm.DHE, "DHE"); Assert.AreEqual(mcert, scm.Certificate, "Certificate"); int contains = 0; foreach(MemBlock ca in scm.CAs) { if(scm.CAs.Contains(ca)) { contains++; } } Assert.AreEqual(contains, lcas.Count, "Contains CAs"); Assert.IsTrue(scm.Verify(rsa, hash), "Signature"); Assert.AreEqual(packet, scm.Packet, "Packet"); // change a few things around and check again! scm.Version = 0; SecurityControlMessage scm1 = new SecurityControlMessage(scm.Packet); scm1.Sign(rsa, hash); Assert.AreEqual(scm1.Version, scm.Version, "Version 1"); Assert.AreEqual(scm1.SPI, scm.SPI, "SPI 1"); Assert.AreEqual(scm1.Type, scm.Type, "Type 1"); Assert.AreEqual(scm1.LocalCookie, scm.LocalCookie, "LocalCookie 1"); Assert.AreEqual(scm1.RemoteCookie, scm.RemoteCookie, "RemoteCookie 1"); Assert.AreEqual(mdhe, scm.DHE, "DHE 1"); Assert.AreEqual(mcert, scm.Certificate, "Certificate 1"); contains = 0; foreach(MemBlock ca in scm.CAs) { if(scm.CAs.Contains(ca)) { contains++; } } Assert.AreEqual(contains, lcas.Count, "Contains CAs 1"); Assert.IsTrue(scm1.Signature != scm.Signature, "Signature 1"); Assert.AreEqual(scm1.Packet.Slice(4, scm1.Signature.Length), scm.Packet.Slice(4, scm.Signature.Length), "Packet 1"); }
/// <summary>3b) Receive a Confirm, verify the entire stack and send a Confirm /// 4a)Receive a Confirm, verify the entire stack and all set to go</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 HandleControlConfirm(PeerSecAssociation sa, SecurityControlMessage scm, SecurityControlMessage scm_reply, ISender return_path, ISender low_level_sender) { ProtocolLog.WriteIf(ProtocolLog.Security, GetHashCode() + " Received Confirm from: " + low_level_sender); if(sa == null) { throw new Exception("No valid SA!"); } HashAlgorithm sha1 = new SHA1CryptoServiceProvider(); scm.Verify((RSACryptoServiceProvider) sa.RemoteCertificate.RSA, sha1); if(return_path == low_level_sender) { sa.VerifyResponse(scm.Hash); } else { sa.VerifyRequest(scm.Hash); scm_reply.LocalCookie = scm.RemoteCookie; scm_reply.RemoteCookie = scm.LocalCookie; scm_reply.Hash = sa.DHEWithCertificateAndCAsInHash.Value; scm_reply.Type = SecurityControlMessage.MessageType.Confirm; lock(_private_key_lock) { scm_reply.Sign(_private_key, sha1); } ICopyable to_send = new CopyList(SecureControl, scm_reply.Packet); return_path.Send(to_send); } sa.Enable(); ProtocolLog.WriteIf(ProtocolLog.Security, GetHashCode() + " Successful Confirm from: " + low_level_sender); }
/// <summary>3a) Receive a DHEWithCertificate, verify the certificate and DHE and /// send a Confirm that you are ready to Verify the stack and start the /// system.</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 HandleControlDHEWithCertificate(PeerSecAssociation sa, SecurityControlMessage scm, SecurityControlMessage scm_reply, ISender return_path, ISender low_level_sender) { ProtocolLog.WriteIf(ProtocolLog.Security, GetHashCode() + " Received DHEWithCertificate from: " + low_level_sender); if(sa == null) { throw new Exception("No valid SA!"); } byte[] cert = new byte[scm.Certificate.Length]; scm.Certificate.CopyTo(cert, 0); X509Certificate rcert = new X509Certificate(cert); HashAlgorithm sha1 = new SHA1CryptoServiceProvider(); scm.Verify((RSACryptoServiceProvider) rcert.RSA, sha1); _ch.Verify(rcert, low_level_sender); sa.RemoteCertificate = rcert; sa.RDHE.Value = scm.DHE; scm_reply.LocalCookie = scm.RemoteCookie; scm_reply.RemoteCookie = scm.LocalCookie; scm_reply.Hash = MemBlock.Reference(sha1.ComputeHash((byte[]) scm.Packet)); scm_reply.Type = SecurityControlMessage.MessageType.Confirm; lock(_private_key_lock) { scm_reply.Sign(_private_key, sha1); } ICopyable to_send = new CopyList(Security, SecureControl, scm_reply.Packet); _rrman.SendRequest(return_path, ReqrepManager.ReqrepType.Request, to_send, this, sa); ProtocolLog.WriteIf(ProtocolLog.Security, GetHashCode() + " Successful DHEWithCertificate from: " + low_level_sender); }
/// <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(PeerSecAssociation 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, low_level_sender); 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 = lcert; sa.RemoteCertificate = 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); }
public void Incoming() { Random rand = new Random(); byte[] local_cookie = new byte[SecurityControlMessage.CookieLength]; byte[] remote_cookie = new byte[SecurityControlMessage.CookieLength]; byte[] dhe = new byte[144]; byte[] cas = new byte[120]; byte[] cert = new byte[100]; RSACryptoServiceProvider rsa = new RSACryptoServiceProvider(); HashAlgorithm hash = new SHA1CryptoServiceProvider(); rand.NextBytes(local_cookie); rand.NextBytes(remote_cookie); rand.NextBytes(dhe); rand.NextBytes(cas); rand.NextBytes(cert); MemBlock mlocal_cookie = MemBlock.Reference(local_cookie); MemBlock mremote_cookie = MemBlock.Reference(remote_cookie); MemBlock mdhe = MemBlock.Reference(dhe); MemBlock mcert = MemBlock.Reference(cert); MemBlock mcas = MemBlock.Reference(cas); List <MemBlock> lcas = new List <MemBlock>(); for (int i = 0; i < cas.Length; i += SecurityControlMessage.CALength) { lcas.Add(MemBlock.Reference(mcas.Slice(i, SecurityControlMessage.CALength))); } int length = 4 + 4 + 4 + 2 * SecurityControlMessage.CookieLength + 4 + cas.Length + 4 + dhe.Length + 4 + cert.Length; byte[] b = new byte[length]; int pos = 0; NumberSerializer.WriteInt(5, b, pos); pos += 4; NumberSerializer.WriteInt(12345, b, pos); pos += 4; NumberSerializer.WriteInt((int)SecurityControlMessage.MessageType.DHEWithCertificateAndCAs, b, pos); pos += 4; local_cookie.CopyTo(b, pos); pos += SecurityControlMessage.CookieLength; remote_cookie.CopyTo(b, pos); pos += SecurityControlMessage.CookieLength; NumberSerializer.WriteInt(dhe.Length, b, pos); pos += 4; dhe.CopyTo(b, pos); pos += dhe.Length; NumberSerializer.WriteInt(cert.Length, b, pos); pos += 4; cert.CopyTo(b, pos); pos += cert.Length; NumberSerializer.WriteInt(cas.Length, b, pos); pos += 4; mcas.CopyTo(b, pos); pos += cas.Length; byte[] signature = rsa.SignData(b, hash); byte[] nb = new byte[b.Length + signature.Length]; b.CopyTo(nb, 0); signature.CopyTo(nb, b.Length); MemBlock packet = MemBlock.Reference(nb); // check SecurityControlMessage scm = new SecurityControlMessage(packet); Assert.AreEqual(5, scm.Version, "Version"); Assert.AreEqual(12345, scm.SPI, "SPI"); Assert.AreEqual(SecurityControlMessage.MessageType.DHEWithCertificateAndCAs, scm.Type, "Type"); Assert.AreEqual(mlocal_cookie, scm.LocalCookie, "LocalCookie"); Assert.AreEqual(mremote_cookie, scm.RemoteCookie, "RemoteCookie"); Assert.AreEqual(mdhe, scm.DHE, "DHE"); Assert.AreEqual(mcert, scm.Certificate, "Certificate"); int contains = 0; foreach (MemBlock ca in scm.CAs) { if (scm.CAs.Contains(ca)) { contains++; } } Assert.AreEqual(contains, lcas.Count, "Contains CAs"); Assert.IsTrue(scm.Verify(rsa, hash), "Signature"); Assert.AreEqual(packet, scm.Packet, "Packet"); // change a few things around and check again! scm.Version = 0; SecurityControlMessage scm1 = new SecurityControlMessage(scm.Packet); scm1.Sign(rsa, hash); Assert.AreEqual(scm1.Version, scm.Version, "Version 1"); Assert.AreEqual(scm1.SPI, scm.SPI, "SPI 1"); Assert.AreEqual(scm1.Type, scm.Type, "Type 1"); Assert.AreEqual(scm1.LocalCookie, scm.LocalCookie, "LocalCookie 1"); Assert.AreEqual(scm1.RemoteCookie, scm.RemoteCookie, "RemoteCookie 1"); Assert.AreEqual(mdhe, scm.DHE, "DHE 1"); Assert.AreEqual(mcert, scm.Certificate, "Certificate 1"); contains = 0; foreach (MemBlock ca in scm.CAs) { if (scm.CAs.Contains(ca)) { contains++; } } Assert.AreEqual(contains, lcas.Count, "Contains CAs 1"); Assert.IsTrue(scm1.Signature != scm.Signature, "Signature 1"); Assert.AreEqual(scm1.Packet.Slice(4, scm1.Signature.Length), scm.Packet.Slice(4, scm.Signature.Length), "Packet 1"); }