// Decompiled with JetBrains decompiler
// Type: Microsoft.InfoCards.SafeCryptoKeyHandle
// Assembly: infocard, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
// MVID: 1D4D5564-A025-490C-AF1D-DF4FBB709D1F
// Assembly location: C:\Users\Administrateur\Downloads\Virusshare-00001-msil\Virus.Win32.Expiro.w-f8f9f26e940480624825f6bddbea86e70fc4aa746c4dd8efa7d98dcb477000ed.exe

using System;
using System.Runtime.ConstrainedExecution;
using System.Runtime.InteropServices;
using System.Security;

namespace Microsoft.InfoCards
{
  internal class SafeCryptoKeyHandle : SafeHandle
  {
    [SuppressUnmanagedCodeSecurity]
    [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
    [DllImport("advapi32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
    private static extern bool CryptDestroyKey([In] IntPtr hKey);

    private SafeCryptoKeyHandle()
      : base(IntPtr.Zero, true)
    {
    }

    public override bool IsInvalid => IntPtr.Zero == this.handle;

    protected override bool ReleaseHandle() => SafeCryptoKeyHandle.CryptDestroyKey(this.handle);
  }
}