Exemplo n.º 1
0
 /**
  * Constructor that takes an X509 certificate.
  * @param cert X509 certificate.
  */
 public SocialUser(Certificate cert)
 {
     Uid = cert.Subject.Email;
       Name = cert.Subject.Name;
       PCID = cert.Subject.OrganizationalUnit;
       Address = cert.NodeAddress;
       Version = cert.Subject.Organization;
       Fingerprint = SocialUtils.GetSHA256(cert.X509.RawData);
       DhtKey = "svpn:" + Uid + ":" + Fingerprint;
       Country = cert.Subject.Country;
       Access = AccessTypes.Block.ToString();
       Time = TIMEDEFAULT;
       IP = IPDEFAULT;
       Alias = ALIASDEFAULT;
       Pic = PICDEFAULT;
 }
Exemplo n.º 2
0
 /**
  * Constructor.
  * @param brunetConfig configuration file for Brunet P2P library.
  * @param ipopConfig configuration file for IP over P2P app.
  */
 public SocialNode(string brunetConfig, string ipopConfig, 
               string certDir, string port)
     : base(brunetConfig, ipopConfig)
 {
     _friends = new Dictionary<string, SocialUser>();
       _cert_dir = certDir;
       string cert_path = Path.Combine(certDir, CERTFILENAME);
       _local_cert = new Certificate(SocialUtils.ReadFileBytes(cert_path));
       _local_user = new SocialUser(_local_cert);
       _local_cert_b64 = Convert.ToBase64String(_local_cert.X509.RawData);
       _bso.CertificateHandler.AddCACertificate(_local_cert.X509);
       _bso.CertificateHandler.AddSignedCertificate(_local_cert.X509);
       _snp = new SocialNetworkProvider(this.Dht, _local_user);
       _srh = new SocialRpcHandler(_node, _local_user, _friends);
       _scm = new SocialConnectionManager(this, _snp, _snp, port, _friends,
                                  _srh);
 }
Exemplo n.º 3
0
        /**
         * Add a friend to socialvpn from an X509 certificate.
         * @param certData the X509 certificate as a byte array.
         * @param key the dht_key containing fingerprint.
         */
        public void AddCertificate(byte[] certData, string key)
        {
            Certificate cert = new Certificate(certData);
              SocialUser friend = new SocialUser(cert);
              string[] parts = key.Split(':');
              string uid = parts[1];
              string fingerprint = parts[2];

              // Verification on the certificate by email and fingerprint
              if(friend.DhtKey == _local_user.DhtKey ||
             _friends.ContainsKey(friend.DhtKey)) {
            ProtocolLog.Write(SocialLog.SVPNLog, "ADD CERT KEY FOUND: " +
                          key);
              }
              else if(fingerprint != friend.Fingerprint || uid != friend.Uid) {
            ProtocolLog.Write(SocialLog.SVPNLog, "ADD CERT KEY MISMATCH: " +
                       key + " " + friend.DhtKey);
              }
              else {
            friend.Alias = CreateAlias(friend.Uid, friend.PCID);

            // Save certificate to file system
            SocialUtils.SaveCertificate(cert, _cert_dir);

            // Add certificates to handler
            _bso.CertificateHandler.AddCACertificate(cert.X509);

            // Add friend to list
            _friends.Add(friend.DhtKey, friend);

            // Temporary
            AddFriend(friend);

            // RPC ping to newly added friend
            _srh.PingFriend(friend);

            ProtocolLog.Write(SocialLog.SVPNLog,"ADD CERT KEY SUCCESS: " +
                          friend.DhtKey + " " + friend.IP + " " +
                          friend.Alias);
              }
        }
 /// <summary>This method is called by a CA to sign the provided Certificate
 /// with our RSA key.</summary>
 public Certificate Sign(Certificate Signer, RSA PrivateKey)
 {
   X509CertificateBuilder x509_builder = new X509CertificateBuilder(3);
   x509_builder.IssuerName = Signer.Subject.DN;
   x509_builder.SubjectName = Subject.DN;
   SHA1CryptoServiceProvider sha1 = new SHA1CryptoServiceProvider();
   // I guess this is reversed for network order or something...
   byte[] tmp = sha1.ComputeHash(Signer.UnsignedData);
   for(int i = 0; i < tmp.Length / 2; i++) {
     int j = tmp.Length - i - 1;
     byte tmpb = tmp[i];
     tmp[i] = tmp[j];
     tmp[j] = tmpb;
   }
   x509_builder.SerialNumber = tmp;
   x509_builder.NotBefore = System.DateTime.MinValue;
   x509_builder.NotAfter = System.DateTime.MaxValue;
   x509_builder.SubjectPublicKey = _public_key;
   SubjectAltNameExtension sane = new SubjectAltNameExtension(null, null, null, new string[] {NodeAddress});
   x509_builder.Extensions.Add(sane);
   byte[] cert_data = x509_builder.Sign(PrivateKey);
   return new Certificate(cert_data);
 }