BCryptDestroyKey

NTSTATUS __stdcall BCryptDestroyKey(PVOID hKey){
  NTSTATUS v2; 
  UINT64 ExtensionTable; 
  v2 = -1073741822;
  ExtensionTable = ExGetExtensionTable(SepBCryptExtensionHost);
  if( ExtensionTable )
  {
    v2 = (*(__int64(__fastcall **)(PVOID))(ExtensionTable + 64))(hKey);
    ExReleaseRundownProtection(SepBCryptExtensionHost + 8);
  }
  return v2;
}

Referenced by:

SecureDump_EncryptSymmetricKeyWithPublicKey
SecureDump_Init
SmCrEncCleanup