CERs around the handle usage in MakeSignature and VerifySignature

This commit is contained in:
antiduh
2014-06-27 01:47:43 +00:00
parent fc9daf3611
commit 4224193f6f

View File

@@ -279,13 +279,37 @@ namespace NSspi.Contexts
using ( adapter = new SecureBufferAdapter( new[] { dataBuffer, signatureBuffer } ) )
{
// TODO CER
status = ContextNativeMethods.MakeSignature(
ref this.ContextHandle.rawHandle,
0,
adapter.Handle,
0
);
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.MakeSignature(
ref this.ContextHandle.rawHandle,
0,
adapter.Handle,
0
);
this.ContextHandle.DangerousRelease();
}
}
}
if ( status != SecurityStatus.OK )
@@ -360,12 +384,37 @@ namespace NSspi.Contexts
using ( adapter = new SecureBufferAdapter( new[] { dataBuffer, signatureBuffer } ) )
{
status = ContextNativeMethods.VerifySignature(
ref this.ContextHandle.rawHandle,
adapter.Handle,
0,
0
);
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.VerifySignature(
ref this.ContextHandle.rawHandle,
adapter.Handle,
0,
0
);
this.ContextHandle.DangerousRelease();
}
}
}
if ( status == SecurityStatus.OK )