/// <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)); } }
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)); }
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); }
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; }
// 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>>(); }
//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"); }