text: //====== Copyright 1996-2008, Valve Corporation, All rights reserved. =======
  //
  // Purpose: a private, but well versioned, interface to get at critical bits
  // of a steam3 appticket - consumed by the simple drm wrapper to let it 
  // ask about ownership with greater confidence.
  //
  //=============================================================================
  
  #ifndef ISTEAMAPPTICKET_H
  #define ISTEAMAPPTICKET_H
  #pragma once
  
  //-----------------------------------------------------------------------------
  // Purpose: hand out a reasonable "future proof" view of an app ownership ticket
  // the raw (signed) buffer, and indices into that buffer where the appid and 
  // steamid are located.  the sizes of the appid and steamid are implicit in 
  // (each version of) the interface - currently uin32 appid and uint64 steamid
  //-----------------------------------------------------------------------------
  class ISteamAppTicket
  {
  public:
      virtual uint32 GetAppOwnershipTicketData( uint32 nAppID, void *pvBuffer, uint32 cbBufferLength, uint32 *piAppId, uint32 *piSteamId, uint32 *piSignature, uint32 *pcbSignature ) = 0;
  };
  
  #define STEAMAPPTICKET_INTERFACE_VERSION "STEAMAPPTICKET_INTERFACE_VERSION001"
  
  
  #endif // ISTEAMAPPTICKET_H
  