/** @file
  Internal include file for BaseCryptLib.

Copyright (c) 2010 - 2017, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution.  The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php

THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

**/

#ifndef __INTERNAL_CRYPT_LIB_H__
#define __INTERNAL_CRYPT_LIB_H__

#undef _WIN32
#undef _WIN64

#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/DebugLib.h>
#include <Library/BaseCryptLib.h>

#include "CrtLibSupport.h"

#include <openssl/opensslv.h>

#if OPENSSL_VERSION_NUMBER < 0x10100000L
#define OBJ_get0_data(o) ((o)->data)
#define OBJ_length(o) ((o)->length)
#endif

/**
  Check input P7Data is a wrapped ContentInfo structure or not. If not construct
  a new structure to wrap P7Data.

  Caution: This function may receive untrusted input.
  UEFI Authenticated Variable is external input, so this function will do basic
  check for PKCS#7 data structure.

  @param[in]  P7Data       Pointer to the PKCS#7 message to verify.
  @param[in]  P7Length     Length of the PKCS#7 message in bytes.
  @param[out] WrapFlag     If TRUE P7Data is a ContentInfo structure, otherwise
                           return FALSE.
  @param[out] WrapData     If return status of this function is TRUE:
                           1) when WrapFlag is TRUE, pointer to P7Data.
                           2) when WrapFlag is FALSE, pointer to a new ContentInfo
                           structure. It's caller's responsibility to free this
                           buffer.
  @param[out] WrapDataSize Length of ContentInfo structure in bytes.

  @retval     TRUE         The operation is finished successfully.
  @retval     FALSE        The operation is failed due to lack of resources.

**/
BOOLEAN
WrapPkcs7Data (
  IN  CONST UINT8  *P7Data,
  IN  UINTN        P7Length,
  OUT BOOLEAN      *WrapFlag,
  OUT UINT8        **WrapData,
  OUT UINTN        *WrapDataSize
  );

#endif