SafeNCryptHandle.cs

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using System;
using System.Runtime.InteropServices;
 
namespace Microsoft.Win32.SafeHandles;
 
internal class SafeNCryptHandle : SafeHandle
{
    public override bool IsInvalid => handle == IntPtr.Zero;
 
    public SafeNCryptHandle()
        : base(IntPtr.Zero, ownsHandle: true)
    {
    }
 
    protected override bool ReleaseHandle()
    {
        global::Interop.NCrypt.ErrorCode errorCode = global::Interop.NCrypt.NCryptFreeObject(handle);
        bool result = errorCode == global::Interop.NCrypt.ErrorCode.ERROR_SUCCESS;
        handle = IntPtr.Zero;
        return result;
    }
}