signed off by: jiewen.yao@intel.com reviewed by: guo.dong@intel.com git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14687 6f19259b-4bc3-4df7-8a09-765794883524
		
			
				
	
	
		
			78 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			78 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /** @file
 | |
|   Ihis is BaseCrypto router support function.
 | |
| 
 | |
| Copyright (c) 2013, 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 <Protocol/TrEEProtocol.h>
 | |
| 
 | |
| typedef struct {
 | |
|   EFI_GUID  Guid;
 | |
|   UINT32    Mask;
 | |
| } TPM2_HASH_MASK;
 | |
| 
 | |
| TPM2_HASH_MASK mTpm2HashMask[] = {
 | |
|   {HASH_ALGORITHM_SHA1_GUID,         TREE_BOOT_HASH_ALG_SHA1},
 | |
|   {HASH_ALGORITHM_SHA256_GUID,       TREE_BOOT_HASH_ALG_SHA256},
 | |
|   {HASH_ALGORITHM_SHA384_GUID,       TREE_BOOT_HASH_ALG_SHA384},
 | |
|   {HASH_ALGORITHM_SHA512_GUID,       TREE_BOOT_HASH_ALG_SHA512},
 | |
| };
 | |
| 
 | |
| /**
 | |
|   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 ++;
 | |
| }
 |