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Convert project to .NET 4.8 and add Wrap and Unwrap functionality to Encrypt and Decrypt messages

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This commit is contained in:
Jeff Jumper
2023-10-06 09:28:43 -04:00
parent 3a7629fada
commit 1bfa2f8ce4
18 changed files with 53 additions and 36 deletions
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25
NSspi/Contexts/Context.cs
View File

@@ -83,6 +83,11 @@ namespace NSspi.Contexts
/// </summary>
public bool Disposed { get; private set; }
/// <summary>
/// Constant for wrapping only...no encryption
/// </summary>
protected uint KERB_WRAP_NO_ENCRYPT = 0x80000001;
/// <summary>
/// Marks the context as having completed the initialization process, ie, exchanging of authentication tokens.
/// </summary>
@@ -230,8 +235,9 @@ namespace NSspi.Contexts
/// - The padding buffer.
/// </remarks>
/// <param name="input">The raw message to encrypt.</param>
/// <param name="wrapOnly">Only wrap the message, no encryption</param>
/// <returns>The packed and encrypted message.</returns>
public byte[] Encrypt( byte[] input )
public byte[] Encrypt( byte[] input, bool wrapOnly = false )
{
// The message is encrypted in place in the buffer we provide to Win32 EncryptMessage
SecPkgContext_Sizes sizes;
@@ -256,9 +262,14 @@ namespace NSspi.Contexts
using( adapter = new SecureBufferAdapter( new[] { trailerBuffer, dataBuffer, paddingBuffer } ) )
{
uint qualityOfProtection = 0u;
if (wrapOnly)
{
qualityOfProtection = KERB_WRAP_NO_ENCRYPT;
}
status = ContextNativeMethods.SafeEncryptMessage(
this.ContextHandle,
0,
qualityOfProtection,
adapter,
0
);
@@ -312,8 +323,9 @@ namespace NSspi.Contexts
/// - The padding buffer.
/// </remarks>
/// <param name="input">The packed and encrypted data.</param>
/// <param name="unwrapOnly">Only wrap the message, no encryption</param>
/// <returns>The original plaintext message.</returns>
public byte[] Decrypt( byte[] input )
public byte[] Decrypt( byte[] input, bool unwrapOnly = false)
{
SecPkgContext_Sizes sizes;
@@ -393,9 +405,14 @@ namespace NSspi.Contexts
using( adapter = new SecureBufferAdapter( new[] { trailerBuffer, dataBuffer, paddingBuffer } ) )
{
uint qualityOfProtection = 0u;
if (unwrapOnly)
{
qualityOfProtection = KERB_WRAP_NO_ENCRYPT;
}
status = ContextNativeMethods.SafeDecryptMessage(
this.ContextHandle,
0,
qualityOfProtection,
adapter,
0
);

32
NSspi/Contexts/ContextNativeMethods.cs
View File

@@ -106,9 +106,9 @@ namespace NSspi.Contexts
[DllImport( "Secur32.dll", EntryPoint = "EncryptMessage", CharSet = CharSet.Unicode )]
internal static extern SecurityStatus EncryptMessage(
ref RawSspiHandle contextHandle,
int qualityOfProtection,
uint qualityOfProtection,
IntPtr bufferDescriptor,
int sequenceNumber
uint sequenceNumber
);
[ReliabilityContract( Consistency.WillNotCorruptState, Cer.MayFail )]
@@ -116,17 +116,17 @@ namespace NSspi.Contexts
internal static extern SecurityStatus DecryptMessage(
ref RawSspiHandle contextHandle,
IntPtr bufferDescriptor,
int sequenceNumber,
int qualityOfProtection
uint sequenceNumber,
uint qualityOfProtection
);
[ReliabilityContract( Consistency.WillNotCorruptState, Cer.MayFail )]
[DllImport( "Secur32.dll", EntryPoint = "MakeSignature", CharSet = CharSet.Unicode )]
internal static extern SecurityStatus MakeSignature(
ref RawSspiHandle contextHandle,
int qualityOfProtection,
uint qualityOfProtection,
IntPtr bufferDescriptor,
int sequenceNumber
uint sequenceNumber
);
[ReliabilityContract( Consistency.WillNotCorruptState, Cer.MayFail )]
@@ -134,8 +134,8 @@ namespace NSspi.Contexts
internal static extern SecurityStatus VerifySignature(
ref RawSspiHandle contextHandle,
IntPtr bufferDescriptor,
int sequenceNumber,
int qualityOfProtection
uint sequenceNumber,
uint qualityOfProtection
);
[ReliabilityContract( Consistency.WillNotCorruptState, Cer.Success )]
@@ -255,9 +255,9 @@ namespace NSspi.Contexts
/// <returns></returns>
internal static SecurityStatus SafeEncryptMessage(
SafeContextHandle handle,
int qualityOfProtection,
uint qualityOfProtection,
SecureBufferAdapter bufferAdapter,
int sequenceNumber )
uint sequenceNumber )
{
SecurityStatus status = SecurityStatus.InternalError;
bool gotRef = false;
@@ -306,9 +306,9 @@ namespace NSspi.Contexts
/// <returns></returns>
internal static SecurityStatus SafeDecryptMessage(
SafeContextHandle handle,
int qualityOfProtection,
uint qualityOfProtection,
SecureBufferAdapter bufferAdapter,
int sequenceNumber )
uint sequenceNumber )
{
SecurityStatus status = SecurityStatus.InvalidHandle;
bool gotRef = false;
@@ -357,9 +357,9 @@ namespace NSspi.Contexts
/// <returns></returns>
internal static SecurityStatus SafeMakeSignature(
SafeContextHandle handle,
int qualityOfProtection,
uint qualityOfProtection,
SecureBufferAdapter adapter,
int sequenceNumber )
uint sequenceNumber )
{
bool gotRef = false;
SecurityStatus status = SecurityStatus.InternalError;
@@ -408,9 +408,9 @@ namespace NSspi.Contexts
/// <returns></returns>
internal static SecurityStatus SafeVerifySignature(
SafeContextHandle handle,
int qualityOfProtection,
uint qualityOfProtection,
SecureBufferAdapter adapter,
int sequenceNumber )
uint sequenceNumber )
{
bool gotRef = false;
SecurityStatus status = SecurityStatus.InternalError;

2
NsspiDemo/App.config
View File

@@ -1,6 +1,6 @@
<?xml version="1.0"?>
<configuration>
<startup>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.1"/>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8"/>
</startup>
</configuration>

2
NsspiDemo/NsspiDemo.csproj
View File

@@ -9,7 +9,7 @@
<AppDesignerFolder>Properties</AppDesignerFolder>
<RootNamespace>NsspiDemo</RootNamespace>
<AssemblyName>NsspiDemo</AssemblyName>
<TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
<TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
<FileAlignment>512</FileAlignment>
<TargetFrameworkProfile />
</PropertyGroup>

2
NsspiDemo/Properties/Resources.Designer.cs generated
View File

@@ -19,7 +19,7 @@ namespace NsspiDemo.Properties {
// class via a tool like ResGen or Visual Studio.
// To add or remove a member, edit your .ResX file then rerun ResGen
// with the /str option, or rebuild your VS project.
[global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "15.0.0.0")]
[global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "17.0.0.0")]
[global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
[global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
internal class Resources {

2
NsspiDemo/Properties/Settings.Designer.cs generated
View File

@@ -12,7 +12,7 @@ namespace NsspiDemo.Properties {
[global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
[global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "15.9.0.0")]
[global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "17.7.0.0")]
internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase {
private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));

2
TestClient/App.config
View File

@@ -1,6 +1,6 @@
<?xml version="1.0"?>
<configuration>
<startup>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.1"/>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8"/>
</startup>
</configuration>

2
TestClient/Properties/Resources.Designer.cs generated
View File

@@ -19,7 +19,7 @@ namespace TestClient.Properties {
// class via a tool like ResGen or Visual Studio.
// To add or remove a member, edit your .ResX file then rerun ResGen
// with the /str option, or rebuild your VS project.
[global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "15.0.0.0")]
[global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "17.0.0.0")]
[global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
[global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
internal class Resources {

2
TestClient/Properties/Settings.Designer.cs generated
View File

@@ -12,7 +12,7 @@ namespace TestClient.Properties {
[global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
[global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "15.9.0.0")]
[global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "17.7.0.0")]
internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase {
private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));

2
TestClient/TestClient.csproj
View File

@@ -9,7 +9,7 @@
<AppDesignerFolder>Properties</AppDesignerFolder>
<RootNamespace>TestClient</RootNamespace>
<AssemblyName>TestClient</AssemblyName>
<TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
<TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
<FileAlignment>512</FileAlignment>
<TargetFrameworkProfile />
</PropertyGroup>

2
TestProtocol/App.config
View File

@@ -1,6 +1,6 @@
<?xml version="1.0"?>
<configuration>
<startup>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.1"/>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8"/>
</startup>
</configuration>

2
TestProtocol/Properties/Resources.Designer.cs generated
View File

@@ -19,7 +19,7 @@ namespace TestProtocol.Properties {
// class via a tool like ResGen or Visual Studio.
// To add or remove a member, edit your .ResX file then rerun ResGen
// with the /str option, or rebuild your VS project.
[global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "15.0.0.0")]
[global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "17.0.0.0")]
[global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
[global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
internal class Resources {

2
TestProtocol/Properties/Settings.Designer.cs generated
View File

@@ -12,7 +12,7 @@ namespace TestProtocol.Properties {
[global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
[global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "15.9.0.0")]
[global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "17.7.0.0")]
internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase {
private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));

2
TestProtocol/TestProtocol.csproj
View File

@@ -9,7 +9,7 @@
<AppDesignerFolder>Properties</AppDesignerFolder>
<RootNamespace>TestProtocol</RootNamespace>
<AssemblyName>TestProtocol</AssemblyName>
<TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
<TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
<FileAlignment>512</FileAlignment>
<TargetFrameworkProfile />
</PropertyGroup>

2
TestServer/App.config
View File

@@ -1,6 +1,6 @@
<?xml version="1.0"?>
<configuration>
<startup>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.1"/>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8"/>
</startup>
</configuration>

2
TestServer/Properties/Resources.Designer.cs generated
View File

@@ -19,7 +19,7 @@ namespace TestServer.Properties {
// class via a tool like ResGen or Visual Studio.
// To add or remove a member, edit your .ResX file then rerun ResGen
// with the /str option, or rebuild your VS project.
[global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "15.0.0.0")]
[global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "17.0.0.0")]
[global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
[global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
internal class Resources {

2
TestServer/Properties/Settings.Designer.cs generated
View File

@@ -12,7 +12,7 @@ namespace TestServer.Properties {
[global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
[global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "15.9.0.0")]
[global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "17.7.0.0")]
internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase {
private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));

2
TestServer/TestServer.csproj
View File

@@ -9,7 +9,7 @@
<AppDesignerFolder>Properties</AppDesignerFolder>
<RootNamespace>TestServer</RootNamespace>
<AssemblyName>TestServer</AssemblyName>
<TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
<TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
<FileAlignment>512</FileAlignment>
<TargetFrameworkProfile />
</PropertyGroup>