diff options
| author | jyao1 <jyao1> | 2013-09-18 05:31:18 +0000 |
|---|---|---|
| committer | jyao1 <jyao1@6f19259b-4bc3-4df7-8a09-765794883524> | 2013-09-18 05:31:18 +0000 |
| commit | c1d932429ef9700a2da64452546be14e92468b07 (patch) | |
| tree | 5f2c09763c54a953d5525b6b5da48634992c2aa0 /SecurityPkg/Library/HashInstanceLibSha256 | |
| parent | 2e61fb38b6aaa17d22f1bf72332ccd4bc2f780eb (diff) | |
| download | edk2-platforms-c1d932429ef9700a2da64452546be14e92468b07.tar.xz | |
Add TPM2 implementation.
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
Diffstat (limited to 'SecurityPkg/Library/HashInstanceLibSha256')
| -rw-r--r-- | SecurityPkg/Library/HashInstanceLibSha256/HashInstanceLibSha256.c | 155 | ||||
| -rw-r--r-- | SecurityPkg/Library/HashInstanceLibSha256/HashInstanceLibSha256.inf | 44 |
2 files changed, 199 insertions, 0 deletions
diff --git a/SecurityPkg/Library/HashInstanceLibSha256/HashInstanceLibSha256.c b/SecurityPkg/Library/HashInstanceLibSha256/HashInstanceLibSha256.c new file mode 100644 index 0000000000..abc97b4473 --- /dev/null +++ b/SecurityPkg/Library/HashInstanceLibSha256/HashInstanceLibSha256.c @@ -0,0 +1,155 @@ +/** @file
+ Ihis library is BaseCrypto SHA256 hash instance.
+ It can be registered to BaseCrypto router, to serve as hash engine.
+
+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/BaseCryptLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/HashLib.h>
+
+/**
+ The function set SHA256 to digest list.
+
+ @param DigestList digest list
+ @param Sha256Digest SHA256 digest
+**/
+VOID
+Tpm2SetSha256ToDigestList (
+ IN TPML_DIGEST_VALUES *DigestList,
+ IN UINT8 *Sha256Digest
+ )
+{
+ DigestList->count = 1;
+ DigestList->digests[0].hashAlg = TPM_ALG_SHA256;
+ CopyMem (
+ DigestList->digests[0].digest.sha256,
+ Sha256Digest,
+ SHA256_DIGEST_SIZE
+ );
+}
+
+/**
+ Start hash sequence.
+
+ @param HashHandle Hash handle.
+
+ @retval EFI_SUCCESS Hash sequence start and HandleHandle returned.
+ @retval EFI_OUT_OF_RESOURCES No enough resource to start hash.
+**/
+EFI_STATUS
+EFIAPI
+Sha256HashInit (
+ OUT HASH_HANDLE *HashHandle
+ )
+{
+ VOID *Sha256Ctx;
+ UINTN CtxSize;
+
+ CtxSize = Sha256GetContextSize ();
+ Sha256Ctx = AllocatePool (CtxSize);
+ ASSERT (Sha256Ctx != NULL);
+
+ Sha256Init (Sha256Ctx);
+
+ *HashHandle = (HASH_HANDLE)Sha256Ctx;
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Update hash sequence data.
+
+ @param HashHandle Hash handle.
+ @param DataToHash Data to be hashed.
+ @param DataToHashLen Data size.
+
+ @retval EFI_SUCCESS Hash sequence updated.
+**/
+EFI_STATUS
+EFIAPI
+Sha256HashUpdate (
+ IN HASH_HANDLE HashHandle,
+ IN VOID *DataToHash,
+ IN UINTN DataToHashLen
+ )
+{
+ VOID *Sha256Ctx;
+
+ Sha256Ctx = (VOID *)HashHandle;
+ Sha256Update (Sha256Ctx, DataToHash, DataToHashLen);
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Complete hash sequence complete.
+
+ @param HashHandle Hash handle.
+ @param DigestList Digest list.
+
+ @retval EFI_SUCCESS Hash sequence complete and DigestList is returned.
+**/
+EFI_STATUS
+EFIAPI
+Sha256HashFinal (
+ IN HASH_HANDLE HashHandle,
+ OUT TPML_DIGEST_VALUES *DigestList
+ )
+{
+ UINT8 Digest[SHA256_DIGEST_SIZE];
+ VOID *Sha256Ctx;
+
+ Sha256Ctx = (VOID *)HashHandle;
+ Sha256Final (Sha256Ctx, Digest);
+
+ FreePool (Sha256Ctx);
+
+ Tpm2SetSha256ToDigestList (DigestList, Digest);
+
+ return EFI_SUCCESS;
+}
+
+HASH_INTERFACE mSha256InternalHashInstance = {
+ HASH_ALGORITHM_SHA256_GUID,
+ Sha256HashInit,
+ Sha256HashUpdate,
+ Sha256HashFinal,
+};
+
+/**
+ The function register SHA256 instance.
+
+ @retval EFI_SUCCESS SHA256 instance is registered, or system dose not surpport registr SHA256 instance
+**/
+EFI_STATUS
+EFIAPI
+HashInstanceLibSha256Constructor (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+
+ Status = RegisterHashInterfaceLib (&mSha256InternalHashInstance);
+ if ((Status == EFI_SUCCESS) || (Status == EFI_UNSUPPORTED)) {
+ //
+ // Unsupported means platform policy does not need this instance enabled.
+ //
+ return EFI_SUCCESS;
+ }
+ return Status;
+}
\ No newline at end of file diff --git a/SecurityPkg/Library/HashInstanceLibSha256/HashInstanceLibSha256.inf b/SecurityPkg/Library/HashInstanceLibSha256/HashInstanceLibSha256.inf new file mode 100644 index 0000000000..a1fb891242 --- /dev/null +++ b/SecurityPkg/Library/HashInstanceLibSha256/HashInstanceLibSha256.inf @@ -0,0 +1,44 @@ +## @file
+# Ihis library is BaseCrypto SHA256 hash instance.
+# It can be registered to BaseCrypto router, to serve as hash engine.
+#
+# 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.
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = HashInstanceLibSha256
+ FILE_GUID = 5810798A-ED30-4080-8DD7-B9667A748C02
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = NULL
+ CONSTRUCTOR = HashInstanceLibSha256Constructor
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64 IPF
+#
+
+[Sources]
+ HashInstanceLibSha256.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ SecurityPkg/SecurityPkg.dec
+ CryptoPkg/CryptoPkg.dec
+
+[LibraryClasses]
+ BaseLib
+ BaseMemoryLib
+ DebugLib
+ Tpm2CommandLib
+ MemoryAllocationLib
+ BaseCryptLib
|