From 3f8ca2b0efc9453b58daea31e0ed5d70712040a5 Mon Sep 17 00:00:00 2001
From: Markus Quaritsch <markus.quaritsch@tugraz.at>
Date: Wed, 3 May 2017 17:07:17 +0200
Subject: [PATCH] comparison of two different implementations to create the
hash, both yield the same result!
---
VECTO.sln | 11 +++
VectoCommon/VectoHashing/VectoHashing.csproj | 1 +
VectoCommon/VectoHashing/XmlHashProvider.cs | 8 +-
VectoCommon/VectoHashing/XmlHashTest.cs | 38 ++++++++
.../Properties/AssemblyInfo.cs | 36 +++++++
.../Testdata/XML/simple_document.xml | 6 ++
VectoCommon/VectoHashingTest/UnitTest1.cs | 27 ++++++
.../VectoHashingTest/VectoHashingTest.csproj | 96 +++++++++++++++++++
8 files changed, 219 insertions(+), 4 deletions(-)
create mode 100644 VectoCommon/VectoHashing/XmlHashTest.cs
create mode 100644 VectoCommon/VectoHashingTest/Properties/AssemblyInfo.cs
create mode 100644 VectoCommon/VectoHashingTest/Testdata/XML/simple_document.xml
create mode 100644 VectoCommon/VectoHashingTest/UnitTest1.cs
create mode 100644 VectoCommon/VectoHashingTest/VectoHashingTest.csproj
diff --git a/VECTO.sln b/VECTO.sln
index e454383d41..2d1ee16364 100644
--- a/VECTO.sln
+++ b/VECTO.sln
@@ -58,6 +58,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "VectoCore BugReportTests",
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "VectoHashing", "VectoCommon\VectoHashing\VectoHashing.csproj", "{B673E12F-D323-4C4C-8805-9915B2C72D3D}"
EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "VectoHashingTest", "VectoCommon\VectoHashingTest\VectoHashingTest.csproj", "{760C1C5B-A767-463E-BA85-F0BCFC23A550}"
+EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
@@ -236,6 +238,14 @@ Global
{B673E12F-D323-4C4C-8805-9915B2C72D3D}.Release|Any CPU.Build.0 = Release|Any CPU
{B673E12F-D323-4C4C-8805-9915B2C72D3D}.Release|x64.ActiveCfg = Release|Any CPU
{B673E12F-D323-4C4C-8805-9915B2C72D3D}.Release|x86.ActiveCfg = Release|Any CPU
+ {760C1C5B-A767-463E-BA85-F0BCFC23A550}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {760C1C5B-A767-463E-BA85-F0BCFC23A550}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {760C1C5B-A767-463E-BA85-F0BCFC23A550}.Debug|x64.ActiveCfg = Debug|Any CPU
+ {760C1C5B-A767-463E-BA85-F0BCFC23A550}.Debug|x86.ActiveCfg = Debug|Any CPU
+ {760C1C5B-A767-463E-BA85-F0BCFC23A550}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {760C1C5B-A767-463E-BA85-F0BCFC23A550}.Release|Any CPU.Build.0 = Release|Any CPU
+ {760C1C5B-A767-463E-BA85-F0BCFC23A550}.Release|x64.ActiveCfg = Release|Any CPU
+ {760C1C5B-A767-463E-BA85-F0BCFC23A550}.Release|x86.ActiveCfg = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
@@ -258,5 +268,6 @@ Global
{2C58BA97-2954-4D19-920F-A24B78FC80A4} = {D29E62A2-CF08-469F-B29F-1B25DCB35386}
{7C364099-9B85-473A-8A42-BBEBE4798FF5} = {CC93EA68-F3FE-4BCB-9292-1101F94A4D09}
{B673E12F-D323-4C4C-8805-9915B2C72D3D} = {73A5BF70-6168-456F-95E5-A1402BFA488C}
+ {760C1C5B-A767-463E-BA85-F0BCFC23A550} = {73A5BF70-6168-456F-95E5-A1402BFA488C}
EndGlobalSection
EndGlobal
diff --git a/VectoCommon/VectoHashing/VectoHashing.csproj b/VectoCommon/VectoHashing/VectoHashing.csproj
index a0f3da0a2d..0c743eed72 100644
--- a/VectoCommon/VectoHashing/VectoHashing.csproj
+++ b/VectoCommon/VectoHashing/VectoHashing.csproj
@@ -42,6 +42,7 @@
<ItemGroup>
<Compile Include="Properties\AssemblyInfo.cs" />
<Compile Include="XmlHashProvider.cs" />
+ <Compile Include="XmlHashTest.cs" />
</ItemGroup>
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
diff --git a/VectoCommon/VectoHashing/XmlHashProvider.cs b/VectoCommon/VectoHashing/XmlHashProvider.cs
index bc25160ed3..017157e92b 100644
--- a/VectoCommon/VectoHashing/XmlHashProvider.cs
+++ b/VectoCommon/VectoHashing/XmlHashProvider.cs
@@ -4,7 +4,7 @@ using System.Security.Cryptography;
using System.Security.Cryptography.Xml;
using System.Xml;
-namespace VectoDB
+namespace TUGraz.VectoHashing
{
public class XmlHashProvider
{
@@ -17,10 +17,10 @@ namespace VectoDB
public string ComputeHash(string xpath)
{
- var xml = new XmlDocument() { PreserveWhitespace = true };
+ var xml = new XmlDocument();
var manager = new XmlNamespaceManager(xml.NameTable);
- manager.AddNamespace("ved", "urn:tugraz:ivt:VectoAPI:EngineeringDefinitions:v0.6");
- manager.AddNamespace("tns", "urn:tugraz:ivt:VectoAPI:EngineeringInput:v0.6");
+ manager.AddNamespace("ved", "urn:tugraz:ivt:VectoAPI:EngineeringDefinitions:v0.8");
+ manager.AddNamespace("tns", "urn:tugraz:ivt:VectoAPI:EngineeringInput:v0.8");
using (var fs = new FileStream(File, FileMode.Open)) {
using (var sr = new StreamReader(fs)) {
diff --git a/VectoCommon/VectoHashing/XmlHashTest.cs b/VectoCommon/VectoHashing/XmlHashTest.cs
new file mode 100644
index 0000000000..a4070c10fe
--- /dev/null
+++ b/VectoCommon/VectoHashing/XmlHashTest.cs
@@ -0,0 +1,38 @@
+using System;
+using System.Security.Cryptography;
+using System.Security.Cryptography.Xml;
+using System.Text;
+using System.Xml;
+
+namespace TUGraz.VectoHashing
+{
+ public class XmlHashTest
+ {
+ public string ComputeHash(XmlDocument doc)
+ {
+ var signedXml = new SignedXml(doc);
+ var reference = new Reference("#elemID") {
+ DigestMethod = "http://www.w3.org/2001/04/xmlenc#sha256"
+ };
+ reference.AddTransform(new XmlDsigC14NTransform());
+ //reference.AddTransform(new XmlDsigVectoTransform());
+
+ signedXml.AddReference(reference);
+ signedXml.ComputeSignature(HMAC.Create());
+ var xmlDigitalSignature = reference.GetXml();
+
+ var sig = doc.CreateElement("Signature");
+ sig.AppendChild(doc.ImportNode(xmlDigitalSignature, true));
+
+ doc.DocumentElement.AppendChild(sig);
+ if (doc.FirstChild is XmlDeclaration) {
+ doc.RemoveChild(doc.FirstChild);
+ }
+ var xmltw = new XmlTextWriter("simple_document_hashed.xml", new UTF8Encoding(false));
+ doc.WriteTo(xmltw);
+ xmltw.Close();
+ var references = signedXml.SignedInfo.References;
+ return Convert.ToBase64String(((Reference)references[0]).DigestValue);
+ }
+ }
+}
\ No newline at end of file
diff --git a/VectoCommon/VectoHashingTest/Properties/AssemblyInfo.cs b/VectoCommon/VectoHashingTest/Properties/AssemblyInfo.cs
new file mode 100644
index 0000000000..455800ff08
--- /dev/null
+++ b/VectoCommon/VectoHashingTest/Properties/AssemblyInfo.cs
@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("VectoHashingTest")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("VectoHashingTest")]
+[assembly: AssemblyCopyright("Copyright © 2017")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible
+// to COM components. If you need to access a type in this assembly from
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("bd51185f-fccf-42e3-b3e1-c59fcd74134a")]
+
+// Version information for an assembly consists of the following four values:
+//
+// Major Version
+// Minor Version
+// Build Number
+// Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/VectoCommon/VectoHashingTest/Testdata/XML/simple_document.xml b/VectoCommon/VectoHashingTest/Testdata/XML/simple_document.xml
new file mode 100644
index 0000000000..3fdd9dfbf5
--- /dev/null
+++ b/VectoCommon/VectoHashingTest/Testdata/XML/simple_document.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<root>
+ <element id="elemID">
+ <message>hello world</message>
+ </element>
+</root>
diff --git a/VectoCommon/VectoHashingTest/UnitTest1.cs b/VectoCommon/VectoHashingTest/UnitTest1.cs
new file mode 100644
index 0000000000..b60fcf1667
--- /dev/null
+++ b/VectoCommon/VectoHashingTest/UnitTest1.cs
@@ -0,0 +1,27 @@
+using System;
+using System.Xml;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using TUGraz.VectoHashing;
+
+namespace VectoHashingTest
+{
+ [TestClass]
+ public class UnitTest1
+ {
+ public const string SimpleXML = @"Testdata\XML\simple_document.xml";
+
+ [TestMethod]
+ public void TestCompareHashing()
+ {
+ var hasher1 = new XmlHashProvider(SimpleXML);
+ var hash1 = hasher1.ComputeHash("//*[@id='elemID']");
+
+ var doc = new XmlDocument();
+ doc.Load(SimpleXML);
+ var hasher2 = new XmlHashTest();
+ var hash2 = hasher2.ComputeHash(doc);
+
+ Assert.AreEqual(hash1, hash2);
+ }
+ }
+}
\ No newline at end of file
diff --git a/VectoCommon/VectoHashingTest/VectoHashingTest.csproj b/VectoCommon/VectoHashingTest/VectoHashingTest.csproj
new file mode 100644
index 0000000000..dacb575089
--- /dev/null
+++ b/VectoCommon/VectoHashingTest/VectoHashingTest.csproj
@@ -0,0 +1,96 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+ <PropertyGroup>
+ <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+ <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+ <ProjectGuid>{760C1C5B-A767-463E-BA85-F0BCFC23A550}</ProjectGuid>
+ <OutputType>Library</OutputType>
+ <AppDesignerFolder>Properties</AppDesignerFolder>
+ <RootNamespace>VectoHashingTest</RootNamespace>
+ <AssemblyName>VectoHashingTest</AssemblyName>
+ <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+ <FileAlignment>512</FileAlignment>
+ <ProjectTypeGuids>{3AC096D0-A1C2-E12C-1390-A8335801FDAB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+ <VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">10.0</VisualStudioVersion>
+ <VSToolsPath Condition="'$(VSToolsPath)' == ''">$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)</VSToolsPath>
+ <ReferencePath>$(ProgramFiles)\Common Files\microsoft shared\VSTT\$(VisualStudioVersion)\UITestExtensionPackages</ReferencePath>
+ <IsCodedUITest>False</IsCodedUITest>
+ <TestProjectType>UnitTest</TestProjectType>
+ </PropertyGroup>
+ <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+ <DebugSymbols>true</DebugSymbols>
+ <DebugType>full</DebugType>
+ <Optimize>false</Optimize>
+ <OutputPath>bin\Debug\</OutputPath>
+ <DefineConstants>DEBUG;TRACE</DefineConstants>
+ <ErrorReport>prompt</ErrorReport>
+ <WarningLevel>4</WarningLevel>
+ </PropertyGroup>
+ <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+ <DebugType>pdbonly</DebugType>
+ <Optimize>true</Optimize>
+ <OutputPath>bin\Release\</OutputPath>
+ <DefineConstants>TRACE</DefineConstants>
+ <ErrorReport>prompt</ErrorReport>
+ <WarningLevel>4</WarningLevel>
+ </PropertyGroup>
+ <ItemGroup>
+ <Reference Include="System" />
+ <Reference Include="System.Xml" />
+ </ItemGroup>
+ <Choose>
+ <When Condition="('$(VisualStudioVersion)' == '10.0' or '$(VisualStudioVersion)' == '') and '$(TargetFrameworkVersion)' == 'v3.5'">
+ <ItemGroup>
+ <Reference Include="Microsoft.VisualStudio.QualityTools.UnitTestFramework, Version=10.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL" />
+ </ItemGroup>
+ </When>
+ <Otherwise>
+ <ItemGroup>
+ <Reference Include="Microsoft.VisualStudio.QualityTools.UnitTestFramework" />
+ </ItemGroup>
+ </Otherwise>
+ </Choose>
+ <ItemGroup>
+ <Compile Include="UnitTest1.cs" />
+ <Compile Include="Properties\AssemblyInfo.cs" />
+ </ItemGroup>
+ <ItemGroup />
+ <ItemGroup>
+ <Content Include="Testdata\XML\simple_document.xml">
+ <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+ </Content>
+ </ItemGroup>
+ <ItemGroup>
+ <ProjectReference Include="..\VectoHashing\VectoHashing.csproj">
+ <Project>{B673E12F-D323-4C4C-8805-9915B2C72D3D}</Project>
+ <Name>VectoHashing</Name>
+ </ProjectReference>
+ </ItemGroup>
+ <Choose>
+ <When Condition="'$(VisualStudioVersion)' == '10.0' And '$(IsCodedUITest)' == 'True'">
+ <ItemGroup>
+ <Reference Include="Microsoft.VisualStudio.QualityTools.CodedUITestFramework, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+ <Private>False</Private>
+ </Reference>
+ <Reference Include="Microsoft.VisualStudio.TestTools.UITest.Common, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+ <Private>False</Private>
+ </Reference>
+ <Reference Include="Microsoft.VisualStudio.TestTools.UITest.Extension, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+ <Private>False</Private>
+ </Reference>
+ <Reference Include="Microsoft.VisualStudio.TestTools.UITesting, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+ <Private>False</Private>
+ </Reference>
+ </ItemGroup>
+ </When>
+ </Choose>
+ <Import Project="$(VSToolsPath)\TeamTest\Microsoft.TestTools.targets" Condition="Exists('$(VSToolsPath)\TeamTest\Microsoft.TestTools.targets')" />
+ <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+ <!-- To modify your build process, add your task inside one of the targets below and uncomment it.
+ Other similar extension points exist, see Microsoft.Common.targets.
+ <Target Name="BeforeBuild">
+ </Target>
+ <Target Name="AfterBuild">
+ </Target>
+ -->
+</Project>
\ No newline at end of file
--
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