/** @file
  This is BaseCrypto router support function.

;******************************************************************************
;* Copyright (c) 2017 - 2018, Insyde Software Corp. All Rights Reserved.
;*
;* You may not reproduce, distribute, publish, display, perform, modify, adapt,
;* transmit, broadcast, present, recite, release, license or otherwise exploit
;* any part of this publication in any form, by any means, without the prior
;* written permission of Insyde Software Corporation.
;*
;******************************************************************************
*/
/** @file
  Ihis is BaseCrypto router support function.

Copyright (c) 2013 - 2015, 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.

**/

#include <PiPei.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/Tpm2CommandLib.h>
#include <Library/DebugLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/HashLib.h>
#include <Library/H2OFvHashLib.h>
#include <Protocol/Tcg2Protocol.h>
#include <Protocol/Tcg2Protocol.h>
#include <Guid/H2OHash.h>

typedef struct {
  EFI_GUID  Guid;
  UINT32    Mask;
} TPM2_HASH_MASK;

TPM2_HASH_MASK mTpm2HashMask[] = {
  {HASH_ALGORITHM_SHA1_GUID,         HASH_ALG_SHA1},
  {HASH_ALGORITHM_SHA256_GUID,       HASH_ALG_SHA256},
  {HASH_ALGORITHM_SHA384_GUID,       HASH_ALG_SHA384},
  {HASH_ALGORITHM_SHA512_GUID,       HASH_ALG_SHA512},
  {H2O_HASH_ALGORITHM_SM3_GUID,      HASH_ALG_SM3_256},
};

TPM2_HASH_MASK mTpm2H2OHashType[] = {
  {HASH_ALGORITHM_SHA1_GUID,         H2O_SHA1_FV_HASH},
  {HASH_ALGORITHM_SHA256_GUID,       H2O_SHA256_FV_HASH},
  {HASH_ALGORITHM_SHA384_GUID,       H2O_SHA384_FV_HASH},
  {HASH_ALGORITHM_SHA512_GUID,       H2O_SHA512_FV_HASH},
  {H2O_HASH_ALGORITHM_SM3_GUID,      H2O_SM3_256_FV_HASH},
};

/**
  The function get H2O hash type info from algorithm.

  @param[in] HashGuid   The hash Guid

  @return HashType
**/
UINT32
EFIAPI
Tpm2GetH2OHashTypeFromAlgo (
  IN EFI_GUID  *HashGuid
  )
{
  UINTN  Index;
  for (Index = 0; Index < sizeof(mTpm2H2OHashType)/sizeof(mTpm2H2OHashType[0]); Index++) {
    if (CompareGuid (HashGuid, &mTpm2H2OHashType[Index].Guid)) {
      return mTpm2H2OHashType[Index].Mask;
    }
  }
  return 0;
}

/**
  The function get hash mask info from algorithm.

  @param HashGuid Hash Guid

  @return HashMask
**/
UINT32
EFIAPI
Tpm2GetHashMaskFromAlgo (
  IN EFI_GUID  *HashGuid
  )
{
  UINTN  Index;
  for (Index = 0; Index < sizeof(mTpm2HashMask)/sizeof(mTpm2HashMask[0]); Index++) {
    if (CompareGuid (HashGuid, &mTpm2HashMask[Index].Guid)) {
      return mTpm2HashMask[Index].Mask;
    }
  }
  return 0;
}

/**
  The function set digest to digest list.

  @param DigestList digest list
  @param Digest     digest data
**/
VOID
EFIAPI
Tpm2SetHashToDigestList (
  IN OUT TPML_DIGEST_VALUES *DigestList,
  IN TPML_DIGEST_VALUES     *Digest
  )
{
  CopyMem (
    &DigestList->digests[DigestList->count],
    &Digest->digests[0],
    sizeof(Digest->digests[0])
    );
  DigestList->count ++;
}