public static TestConfiguration InitTest(BlockingAlgorithmOptions options = default(BlockingAlgorithmOptions))
        {
            if (options == null)
            {
                options = new BlockingAlgorithmOptions();
            }

            TestConfiguration configuration = new TestConfiguration();

            configuration.MyBlockingAlgorithmOptions = options ?? new BlockingAlgorithmOptions();

            MemoryUsageLimiter memoryUsageLimiter = new MemoryUsageLimiter();

            BinomialLadderFilter localPasswordBinomialLadderFilter =
                new BinomialLadderFilter(options.NumberOfBitsInBinomialLadderFilter_N, options.HeightOfBinomialLadder_H);

            configuration.MyAccountFactory         = new MemoryOnlyUserAccountFactory();
            configuration.MemUserAccountController = new MemoryUserAccountController();

            LoginAttemptController <MemoryUserAccount> myLoginAttemptController =
                new LoginAttemptController <MemoryUserAccount>(
                    new MemoryUserAccountControllerFactory(),
                    configuration.MyAccountFactory,
                    localPasswordBinomialLadderFilter,
                    memoryUsageLimiter, configuration.MyBlockingAlgorithmOptions);

            configuration.MyLoginAttemptClient = myLoginAttemptController;

            return(configuration);
        }
Пример #2
0
        //public void ReduceMemoryUsage(object sender, MemoryUsageLimiter.ReduceMemoryUsageEventParameters parameters)
        //{
        //_ipHistoryCache.RecoverSpace(parameters.FractionOfMemoryToTryToRemove);
        //}

        public Simulator(DebugLogger logger, string path, ExperimentalConfiguration myExperimentalConfiguration, SimulatedPasswords simPasswords)
        {
            _simPasswords = simPasswords;
            _logger       = logger;
            _AttackAttemptsWithValidPasswords = //System.IO.TextWriter.Synchronized
                                                new ConcurrentStreamWriter(path + "AttackAttemptsWithValidPasswords.txt");
            //(new StreamWriter(new FileStream(path + "AttackAttemptsWithValidPasswords.txt", FileMode.CreateNew, FileAccess.Write)));
            _LegitimateAttemptsWithValidPasswords = //System.IO.TextWriter.Synchronized
                                                    new ConcurrentStreamWriter(path + "LegitimateAttemptsWithValidPasswords.txt");
            //(new StreamWriter(new FileStream(path + "LegitiamteAttemptsWithValidPasswords.txt", FileMode.CreateNew, FileAccess.Write)));
            _OtherAttempts = //System.IO.TextWriter.Synchronized
                             new ConcurrentStreamWriter(path + "OtherAttempts.txt");
            //(new StreamWriter(new FileStream(path + "OtherAttempts.txt", FileMode.CreateNew, FileAccess.Write)));
            _logger.WriteStatus("Entered Simulator constructor");
            _experimentalConfiguration = myExperimentalConfiguration;
            BlockingAlgorithmOptions options = _experimentalConfiguration.BlockingOptions;

            _logger.WriteStatus("Creating binomial ladder");
            _binomialLadderFilter =
                new BinomialLadderFilter(options.NumberOfBitsInBinomialLadderFilter_N, options.HeightOfBinomialLadder_H);
            _ipHistoryCache        = new ConcurrentDictionary <IPAddress, SimIpHistory>(); // new SelfLoadingCache<IPAddress, SimIpHistory>(address => new SimIpHistory(options.NumberOfFailuresToTrackForGoingBackInTimeToIdentifyTypos));
            _userAccountController = new SimulatedUserAccountController();

            //_memoryUsageLimiter = new MemoryUsageLimiter();
            //_memoryUsageLimiter.OnReduceMemoryUsageEventHandler += ReduceMemoryUsage;

            _recentIncorrectPasswords = new AgingMembershipSketch(16, 128 * 1024);

            _logger.WriteStatus("Exiting Simulator constructor");
        }
Пример #3
0
 /// <summary>
 /// This method will prime the simulator with known-popular passwords so that they are treated
 /// as if the simulator had already observed them (or been configured with them)
 /// </summary>
 /// <returns></returns>
 public void PrimeWithKnownPasswordsAsync(BinomialLadderFilter freqFilter, int numberOfTimesToPrime)
 {
     for (int i = 0; i < numberOfTimesToPrime; i++)
     {
         Parallel.ForEach(_passwordsAlreadyKnownToBePopular,
                          (password) => freqFilter.Step(password));
     }
 }
Пример #4
0
        public void Init()
        {
            var builder = new ConfigurationBuilder()
                          .SetBasePath("")
                          .AddJsonFile("appsettings.json");

            builder.AddEnvironmentVariables();
            Configuration = builder.Build();

            sqlConnectionString = Configuration["Data:ConnectionString"];
            string cloudStorageConnectionString = Configuration["Data:StorageConnectionString"];

            _options = new BlockingAlgorithmOptions();

            DbContextOptionsBuilder <DbUserAccountContext> dbOptionsBuilder = new DbContextOptionsBuilder <DbUserAccountContext>();

            dbOptionsBuilder.UseSqlServer(sqlConnectionString);
            dbOptions = dbOptionsBuilder.Options;

            _CloudStorageAccount         = CloudStorageAccount.Parse(cloudStorageConnectionString);
            userAccountControllerFactory = new DbUserAccountControllerFactory(_CloudStorageAccount, dbOptions);
            userAccountController        = userAccountControllerFactory.CreateDbUserAccountController();

            RemoteHost localHost = new RemoteHost {
                Uri = new Uri("http://localhost:35358")
            };
            MaxWeightHashing <RemoteHost> hosts = new MaxWeightHashing <RemoteHost>(Configuration["Data:UniqueConfigurationSecretPhrase"]);

            LoginAttemptClient <DbUserAccount> loginAttemptClient = new LoginAttemptClient <DbUserAccount>(hosts, localHost);

            _UserAccountRepositoryFactory = new DbUserAccountRepositoryFactory(dbOptions);

            BinomialLadderFilter localPasswordBinomialLadderFilter = new BinomialLadderFilter(
                _options.NumberOfBitsInBinomialLadderFilter_N, _options.HeightOfBinomialLadder_H);

            _loginAttemptController = new LoginAttemptController <DbUserAccount>(
                userAccountControllerFactory, _UserAccountRepositoryFactory,
                localPasswordBinomialLadderFilter,
                new MemoryUsageLimiter(), _options);

            //services.AddEntityFramework()
            //    .AddSqlServer()
            //    .AddDbContext<DbUserAccountContext>(opt => opt.UseSqlServer(sqlConnectionString));
            //DbUserAccountContext context = new DbUserAccountContext();

            //var db = new DbContextOptionsBuilder();
            //db.UseInMemoryDatabase();
            //_context = new MyContext(db.Options);
        }
Пример #5
0
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddMvc();

            BlockingAlgorithmOptions options = new BlockingAlgorithmOptions();

            services.AddSingleton <BlockingAlgorithmOptions>(x => options);

            RemoteHost localHost = new RemoteHost {
                Uri = new Uri("http://localhost:35358")
            };

            services.AddSingleton <RemoteHost>(x => localHost);

            MaxWeightHashing <RemoteHost> hosts = new MaxWeightHashing <RemoteHost>(Configuration["Data:UniqueConfigurationSecretPhrase"]);

            hosts.Add("localhost", localHost);
            services.AddSingleton <IDistributedResponsibilitySet <RemoteHost> >(x => hosts);

            string cloudStorageConnectionString     = Configuration["Data:StorageConnectionString"];
            CloudStorageAccount cloudStorageAccount = CloudStorageAccount.Parse(cloudStorageConnectionString);

            services.AddSingleton <CloudStorageAccount>(a => cloudStorageAccount);

            services.AddSingleton <MemoryUsageLimiter, MemoryUsageLimiter>();

            if (hosts.Count > 0)
            {
                DistributedBinomialLadderFilterClient dblfClient = new DistributedBinomialLadderFilterClient(
                    options.NumberOfVirtualNodesForDistributedBinomialLadder,
                    options.HeightOfBinomialLadder_H,
                    hosts,
                    options.PrivateConfigurationKey,
                    options.MinimumBinomialLadderFilterCacheFreshness);
                services.AddSingleton <IBinomialLadderFilter, DistributedBinomialLadderFilterClient>(x => dblfClient);
            }
            else
            {
                BinomialLadderFilter localPasswordBinomialLadderFilter =
                    new BinomialLadderFilter(options.NumberOfBitsInBinomialLadderFilter_N, options.HeightOfBinomialLadder_H);
                services.AddSingleton <IBinomialLadderFilter>(x => localPasswordBinomialLadderFilter);
            }

            LoginAttemptClient <MemoryUserAccount> loginAttemptClient = new LoginAttemptClient <MemoryUserAccount>(hosts, localHost);

            services.AddSingleton <ILoginAttemptClient, LoginAttemptClient <MemoryUserAccount> >(i => loginAttemptClient);
            services.AddSingleton <ILoginAttemptController, LoginAttemptController <MemoryUserAccount> >();
        }
Пример #6
0
        public void TwentyObservations()
        {
            BinomialLadderFilter freqFilter = new BinomialLadderFilter(1024 * 1024 * 1024, 64);
            string somethingToObserve       = "Gosh.  It's a nice day out, isn't it?";

            int observationCount = freqFilter.GetHeight(somethingToObserve);

            for (int i = 0; i < 25; i++)
            {
                int lastCount = freqFilter.Step(somethingToObserve);
                Assert.Equal(observationCount, lastCount);
                observationCount++;
            }

            Assert.Equal(observationCount, freqFilter.GetHeight(somethingToObserve));
        }
Пример #7
0
        public static TestConfiguration InitTest(BlockingAlgorithmOptions options = default(BlockingAlgorithmOptions))
        {
            if (options == null)
            {
                options = new BlockingAlgorithmOptions();
            }

            TestConfiguration configuration = new TestConfiguration();

            configuration.MyBlockingAlgorithmOptions = options ?? new BlockingAlgorithmOptions();

            //configuration.MyResponsibleHosts = new MaxWeightHashing<RemoteHost>("FIXME-uniquekeyfromconfig");
            //RemoteHost localHost = new RemoteHost { Uri = new Uri("http://localhost:80") };
            //configuration.MyResponsibleHosts.Add("localhost", localHost);
            //IStableStore stableStore = configuration.StableStore = new MemoryOnlyStableStore();

            //configuration.MyLoginAttemptClient = new LoginAttemptClient(configuration.MyResponsibleHosts, localHost);

            MemoryUsageLimiter memoryUsageLimiter = new MemoryUsageLimiter();

            BinomialLadderFilter localPasswordBinomialLadderFilter =
                new BinomialLadderFilter(options.NumberOfBitsInBinomialLadderFilter_N, options.HeightOfBinomialLadder_H);

            //MultiperiodFrequencyTracker<string> localPasswordFrequencyTracker =
            //        new MultiperiodFrequencyTracker<string>(
            //            options.NumberOfPopularityMeasurementPeriods,
            //            options.LengthOfShortestPopularityMeasurementPeriod,
            //            options.FactorOfGrowthBetweenPopularityMeasurementPeriods);

            configuration.MyAccountFactory         = new MemoryOnlyUserAccountFactory();
            configuration.MemUserAccountController = new MemoryUserAccountController();

            LoginAttemptController <MemoryUserAccount> myLoginAttemptController =
                new LoginAttemptController <MemoryUserAccount>(
                    new MemoryUserAccountControllerFactory(),
                    configuration.MyAccountFactory,
                    localPasswordBinomialLadderFilter,
                    memoryUsageLimiter, configuration.MyBlockingAlgorithmOptions);

            configuration.MyLoginAttemptClient = myLoginAttemptController;

            //configuration.MyLoginAttemptClient.SetLocalLoginAttemptController(myLoginAttemptController);
            return(configuration);
        }
Пример #8
0
        public Simulator(DebugLogger logger, string path, ExperimentalConfiguration myExperimentalConfiguration, SimulatedPasswords simPasswords)
        {
            _simPasswords = simPasswords;
            _logger       = logger;
            if (_Attempts == null)
            {
                _Attempts = new ConcurrentStreamWriter(path + "Attempts.txt");
            }

            _logger.WriteStatus("Entered Simulator constructor");
            _experimentalConfiguration = myExperimentalConfiguration;
            BlockingAlgorithmOptions options = _experimentalConfiguration.BlockingOptions;

            //_logger.WriteStatus("Creating binomial ladder");
            _binomialLadderFilter =
                new BinomialLadderFilter(options.NumberOfBitsInBinomialLadderFilter_N, options.HeightOfBinomialLadder_H);
            _ipHistoryCache        = new ConcurrentDictionary <IPAddress, SimIpHistory>();
            _userAccountController = new SimulatedUserAccountController();

            _recentIncorrectPasswords = new AgingMembershipSketch(16, 128 * 1024);

            //_logger.WriteStatus("Exiting Simulator constructor");
        }
Пример #9
0
        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            // Add framework services.
            services.AddMvc();

            string sqlConnectionString = Configuration["Data:ConnectionString"];

            services.AddDbContext <DbUserAccountContext>(
                opt => opt.UseSqlServer(sqlConnectionString));

            // Uncomment the following line to add Web API services which makes it easier to port Web API 2 controllers.
            // You will also need to add the Microsoft.AspNet.Mvc.WebApiCompatShim package to the 'dependencies' section of project.json.
            // services.AddWebApiConventions();

            BlockingAlgorithmOptions options = new BlockingAlgorithmOptions();

            services.AddSingleton <BlockingAlgorithmOptions>(x => options);

            RemoteHost localHost = new RemoteHost {
                Uri = new Uri("http://localhost:35358")
            };

            services.AddSingleton <RemoteHost>(x => localHost);

            MaxWeightHashing <RemoteHost> hosts = new MaxWeightHashing <RemoteHost>(Configuration["Data:UniqueConfigurationSecretPhrase"]);

            hosts.Add("localhost", localHost);
            services.AddSingleton <IDistributedResponsibilitySet <RemoteHost> >(x => hosts);

            string cloudStorageConnectionString     = Configuration["Data:StorageConnectionString"];
            CloudStorageAccount cloudStorageAccount = CloudStorageAccount.Parse(cloudStorageConnectionString);

            services.AddSingleton <CloudStorageAccount>(a => cloudStorageAccount);

            services.AddSingleton <MemoryUsageLimiter, MemoryUsageLimiter>();

            if (hosts.Count > 0)
            {
                DistributedBinomialLadderFilterClient dblfClient = new DistributedBinomialLadderFilterClient(
                    options.NumberOfVirtualNodesForDistributedBinomialLadder,
                    options.HeightOfBinomialLadder_H,
                    hosts,
                    options.PrivateConfigurationKey,
                    options.MinimumBinomialLadderFilterCacheFreshness);
                // If running as a distributed system
                services.AddSingleton <IBinomialLadderFilter, DistributedBinomialLadderFilterClient>(x => dblfClient);

                DistributedBinomialLadderFilterController filterController =
                    new DistributedBinomialLadderFilterController(dblfClient, options.NumberOfBitsPerShardInBinomialLadderFilter, options.PrivateConfigurationKey);
                services.AddSingleton <DistributedBinomialLadderFilterController>(x => filterController);

                //services.AddSingleton<IFrequenciesProvider<string>>(x =>
                //    new IncorrectPasswordFrequencyClient(hosts, options.NumberOfRedundantHostsToCachePasswordPopularity));
            }
            else
            {
                BinomialLadderFilter localPasswordBinomialLadderFilter =
                    new BinomialLadderFilter(options.NumberOfBitsInBinomialLadderFilter_N, options.HeightOfBinomialLadder_H);
                services.AddSingleton <IBinomialLadderFilter>(x => localPasswordBinomialLadderFilter);
            }

            LoginAttemptClient <DbUserAccount> loginAttemptClient = new LoginAttemptClient <DbUserAccount>(hosts, localHost);

            services.AddSingleton <IUserAccountRepositoryFactory <DbUserAccount>, DbUserAccountRepositoryFactory>();
            services.AddSingleton <IUserAccountControllerFactory <DbUserAccount>, DbUserAccountControllerFactory>();
            //LoginAttemptController<DbUserAccount> loginAttemptController = new LoginAttemptController<DbUserAccount>(
            //     new DbUserAccountControllerFactory(cloudStorageAccount), new DbUserAccountRepositoryFactory());
            services.AddSingleton <ILoginAttemptClient, LoginAttemptClient <DbUserAccount> >(i => loginAttemptClient);
            services.AddSingleton <ILoginAttemptController, LoginAttemptController <DbUserAccount> >();
        }