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parent
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###############################################################################
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# Set default behavior to automatically normalize line endings.
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###############################################################################
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* text=auto
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###############################################################################
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# Set default behavior for command prompt diff.
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#
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# This is need for earlier builds of msysgit that does not have it on by
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# default for csharp files.
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# Note: This is only used by command line
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###############################################################################
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#*.cs diff=csharp
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###############################################################################
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# Set the merge driver for project and solution files
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#
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# Merging from the command prompt will add diff markers to the files if there
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# are conflicts (Merging from VS is not affected by the settings below, in VS
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# the diff markers are never inserted). Diff markers may cause the following
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# file extensions to fail to load in VS. An alternative would be to treat
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# these files as binary and thus will always conflict and require user
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# intervention with every merge. To do so, just uncomment the entries below
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###############################################################################
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#*.sln merge=binary
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#*.csproj merge=binary
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#*.vbproj merge=binary
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#*.vcxproj merge=binary
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#*.vcproj merge=binary
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#*.dbproj merge=binary
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#*.fsproj merge=binary
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#*.lsproj merge=binary
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#*.wixproj merge=binary
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#*.modelproj merge=binary
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#*.sqlproj merge=binary
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#*.wwaproj merge=binary
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###############################################################################
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# behavior for image files
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#
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# image files are treated as binary by default.
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###############################################################################
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#*.jpg binary
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#*.png binary
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#*.gif binary
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###############################################################################
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# diff behavior for common document formats
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#
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# Convert binary document formats to text before diffing them. This feature
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# is only available from the command line. Turn it on by uncommenting the
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# entries below.
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###############################################################################
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#*.doc diff=astextplain
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#*.DOC diff=astextplain
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#*.docx diff=astextplain
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#*.DOCX diff=astextplain
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#*.dot diff=astextplain
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#*.DOT diff=astextplain
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#*.pdf diff=astextplain
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#*.PDF diff=astextplain
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#*.rtf diff=astextplain
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#*.RTF diff=astextplain
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@ -0,0 +1,25 @@
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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio 15
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VisualStudioVersion = 15.0.28010.2050
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Mk0.Tools.Password", "Mk0.Tools.Password\Mk0.Tools.Password.csproj", "{B6F59B71-BD27-4D69-9D40-DD5820A0A645}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{B6F59B71-BD27-4D69-9D40-DD5820A0A645}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{B6F59B71-BD27-4D69-9D40-DD5820A0A645}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{B6F59B71-BD27-4D69-9D40-DD5820A0A645}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{B6F59B71-BD27-4D69-9D40-DD5820A0A645}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {039D5A9C-754B-47FC-A2D6-410CBEFF3286}
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EndGlobalSection
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EndGlobal
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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
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<PropertyGroup>
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<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
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<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
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<ProjectGuid>{B6F59B71-BD27-4D69-9D40-DD5820A0A645}</ProjectGuid>
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<OutputType>Library</OutputType>
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<AppDesignerFolder>Properties</AppDesignerFolder>
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<RootNamespace>Mk0.Tools.Password</RootNamespace>
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<AssemblyName>Mk0.Tools.Password</AssemblyName>
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<TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
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<FileAlignment>512</FileAlignment>
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<Deterministic>true</Deterministic>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
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<DebugSymbols>true</DebugSymbols>
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<DebugType>full</DebugType>
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<Optimize>false</Optimize>
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<OutputPath>bin\Debug\</OutputPath>
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<DefineConstants>DEBUG;TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
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<DebugType>pdbonly</DebugType>
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<Optimize>true</Optimize>
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<OutputPath>bin\Release\</OutputPath>
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<DefineConstants>TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<ItemGroup>
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<Reference Include="System" />
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<Reference Include="System.Core" />
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<Reference Include="System.Xml.Linq" />
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<Reference Include="System.Data.DataSetExtensions" />
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<Reference Include="Microsoft.CSharp" />
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<Reference Include="System.Data" />
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<Reference Include="System.Net.Http" />
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<Reference Include="System.Xml" />
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</ItemGroup>
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<ItemGroup>
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<Compile Include="PasswordStrength.cs" />
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<Compile Include="Properties\AssemblyInfo.cs" />
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</ItemGroup>
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<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
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</Project>
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text.RegularExpressions;
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namespace Mk0.Tools.Password
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{
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public class PasswordStrength
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{
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public double Score = 0;
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private int punkte = 0;
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private double cardinality = 0;
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private bool hatNummer = false;
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private bool hatLowercase = false;
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private bool hatUppercase = false;
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private bool hatSonderzeichen = false;
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public PasswordStrength(string password)
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{
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if (string.IsNullOrEmpty(password.Trim()))
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{
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punkte = 0; //kein Passwort
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}
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else
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{
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if (password.Trim().Length < 6)
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{
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punkte = 1; //zu kurz
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}
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else
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{
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punkte = 2; //min Länge erreicht
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if (password.Trim().Length >= 8) //1 pkt für je 2 stellen
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{
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punkte += ((password.Trim().Length - 8) / 2) + 1;
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}
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if (Regex.IsMatch(password.Trim(), @"[\d]", RegexOptions.ECMAScript)) //hat nummern
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{
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punkte += 5;
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hatNummer = true;
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}
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if (Regex.IsMatch(password.Trim(), @"[a-z]", RegexOptions.ECMAScript)) //hat lowercase
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{
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punkte += 5;
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hatLowercase = true;
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}
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if (Regex.IsMatch(password, @"[A-Z]", RegexOptions.ECMAScript)) //hat uppercase
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{
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punkte += 5;
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hatUppercase = true;
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}
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if (Regex.IsMatch(password, @"[~`!@#$%\^\&\*\(\)\-_\+=\[\{\]\}\|\\;:'\""<\,>\.\?\/£]", RegexOptions.ECMAScript)) //hat sonderzeichen
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{
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punkte += 10;
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hatSonderzeichen = true;
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}
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List<char> lstPass = password.Trim().ToList(); //länger als 2 zeichen und 3 wiederholende zeichen -2
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if (lstPass.Count >= 3)
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{
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for (int i = 2; i < lstPass.Count; i++)
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{
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char charCurrent = lstPass[i];
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if (charCurrent == lstPass[i - 1] && charCurrent == lstPass[i - 2] && punkte >= 4)
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{
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punkte -= 3;
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}
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}
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}
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}
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}
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CalculateEntropy(password.Trim());
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Score = (punkte + cardinality) / 2;
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}
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public void CalculateEntropy(string password)
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{
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var cardinality = 0;
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if (password.Length >= 6 && hatLowercase && hatNummer && hatSonderzeichen && hatUppercase)
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{
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// Password contains lowercase letters.
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if (password.Any(c => char.IsLower(c)))
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{
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cardinality = 26;
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}
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// Password contains uppercase letters.
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if (password.Any(c => char.IsUpper(c)))
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{
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cardinality += 26;
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}
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// Password contains numbers.
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if (password.Any(c => char.IsDigit(c)))
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{
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cardinality += 10;
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}
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// Password contains symbols.
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if (password.IndexOfAny("\\|¬¦`!\"£$%^&*()_+-=[]{};:'@#~<>,./? ".ToCharArray()) >= 0)
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{
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cardinality += 36;
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}
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this.cardinality = Math.Log(cardinality, 2) * password.Length;
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}
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}
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}
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}
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@ -0,0 +1,36 @@
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using System.Reflection;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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// Allgemeine Informationen über eine Assembly werden über die folgenden
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// Attribute gesteuert. Ändern Sie diese Attributwerte, um die Informationen zu ändern,
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// die einer Assembly zugeordnet sind.
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[assembly: AssemblyTitle("Mk0.Tools.Password")]
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[assembly: AssemblyDescription("")]
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[assembly: AssemblyConfiguration("")]
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[assembly: AssemblyCompany("")]
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[assembly: AssemblyProduct("Mk0.Tools.Password")]
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[assembly: AssemblyCopyright("Copyright © 2019 mk0.at")]
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[assembly: AssemblyTrademark("")]
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[assembly: AssemblyCulture("")]
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// Durch Festlegen von ComVisible auf FALSE werden die Typen in dieser Assembly
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// für COM-Komponenten unsichtbar. Wenn Sie auf einen Typ in dieser Assembly von
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// COM aus zugreifen müssen, sollten Sie das ComVisible-Attribut für diesen Typ auf "True" festlegen.
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[assembly: ComVisible(false)]
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// Die folgende GUID bestimmt die ID der Typbibliothek, wenn dieses Projekt für COM verfügbar gemacht wird
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[assembly: Guid("b6f59b71-bd27-4d69-9d40-dd5820a0a645")]
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// Versionsinformationen für eine Assembly bestehen aus den folgenden vier Werten:
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//
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// Hauptversion
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// Nebenversion
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// Buildnummer
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// Revision
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//
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// Sie können alle Werte angeben oder Standardwerte für die Build- und Revisionsnummern verwenden,
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// indem Sie "*" wie unten gezeigt eingeben:
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// [assembly: AssemblyVersion("1.0.*")]
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[assembly: AssemblyVersion("1.0.0.0")]
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[assembly: AssemblyFileVersion("1.0.0.0")]
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