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Helper method for invoking native methods with a CER.

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This commit is contained in:
antiduh
2014-06-24 22:57:02 +00:00
parent 8837f3e95c
commit 2b52e1d84f
2 changed files with 50 additions and 32 deletions
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39
Contexts/Context.cs
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@@ -178,7 +178,7 @@ namespace NSspi
SecureBuffer paddingBuffer;
SecureBufferAdapter adapter;
SecurityStatus status = SecurityStatus.InvalidHandle;
SecurityStatus status;
byte[] result = null;
int remaining;
int position;
@@ -242,37 +242,12 @@ namespace NSspi
using( adapter = new SecureBufferAdapter( new [] { trailerBuffer, dataBuffer, paddingBuffer } ) )
{
bool gotRef = false;
RuntimeHelpers.PrepareConstrainedRegions();
try
{
this.ContextHandle.DangerousAddRef( ref gotRef );
}
catch( Exception )
{
if( gotRef )
{
this.ContextHandle.DangerousRelease();
gotRef = false;
}
throw;
}
finally
{
if( gotRef )
{
status = ContextNativeMethods.DecryptMessage(
ref this.ContextHandle.rawHandle,
adapter.Handle,
0,
0
);
this.ContextHandle.DangerousRelease();
}
}
status = ContextNativeMethods.SafeDecryptMessage(
this.ContextHandle,
0,
adapter.Handle,
0
);
}
if( status != SecurityStatus.OK )