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Add TPM2 implementation.

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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
This commit is contained in:
jyao1
2013-09-18 05:31:18 +00:00
committed by jyao1
parent 2e61fb38b6
commit c1d932429e
98 changed files with 17387 additions and 49 deletions
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342
SecurityPkg/Library/HashLibTpm2/HashLibTpm2.c Normal file
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/** @file
Ihis library uses TPM2 device to calculation hash.
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 <Library/PcdLib.h>
#include <Protocol/TrEEProtocol.h>
typedef struct {
TPM_ALG_ID AlgoId;
UINT32 Mask;
} TPM2_HASH_MASK;
TPM2_HASH_MASK mTpm2HashMask[] = {
{TPM_ALG_SHA1, TREE_BOOT_HASH_ALG_SHA1},
{TPM_ALG_SHA256, TREE_BOOT_HASH_ALG_SHA256},
{TPM_ALG_SHA384, TREE_BOOT_HASH_ALG_SHA384},
{TPM_ALG_SHA512, TREE_BOOT_HASH_ALG_SHA512},
};
/**
The function get algorith from hash mask info.
@return Hash algorithm
**/
TPM_ALG_ID
Tpm2GetAlgoFromHashMask (
VOID
)
{
UINT32 HashMask;
UINTN Index;
HashMask = PcdGet32 (PcdTpm2HashMask);
for (Index = 0; Index < sizeof(mTpm2HashMask)/sizeof(mTpm2HashMask[0]); Index++) {
if (mTpm2HashMask[Index].Mask == HashMask) {
return mTpm2HashMask[Index].AlgoId;
}
}
return TPM_ALG_NULL;
}
/**
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
HashStart (
OUT HASH_HANDLE *HashHandle
)
{
TPMI_DH_OBJECT SequenceHandle;
EFI_STATUS Status;
TPM_ALG_ID AlgoId;
AlgoId = Tpm2GetAlgoFromHashMask ();
Status = Tpm2HashSequenceStart (AlgoId, &SequenceHandle);
if (!EFI_ERROR (Status)) {
*HashHandle = (HASH_HANDLE)SequenceHandle;
}
return Status;
}
/**
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
HashUpdate (
IN HASH_HANDLE HashHandle,
IN VOID *DataToHash,
IN UINTN DataToHashLen
)
{
UINT8 *Buffer;
UINT64 HashLen;
TPM2B_MAX_BUFFER HashBuffer;
EFI_STATUS Status;
Buffer = (UINT8 *)(UINTN)DataToHash;
for (HashLen = DataToHashLen; HashLen > sizeof(HashBuffer.buffer); HashLen -= sizeof(HashBuffer.buffer)) {
HashBuffer.size = sizeof(HashBuffer.buffer);
CopyMem(HashBuffer.buffer, Buffer, sizeof(HashBuffer.buffer));
Buffer += sizeof(HashBuffer.buffer);
Status = Tpm2SequenceUpdate((TPMI_DH_OBJECT)HashHandle, &HashBuffer);
if (EFI_ERROR(Status)) {
return EFI_DEVICE_ERROR;
}
}
//
// Last one
//
HashBuffer.size = (UINT16)HashLen;
CopyMem(HashBuffer.buffer, Buffer, (UINTN)HashLen);
Status = Tpm2SequenceUpdate((TPMI_DH_OBJECT)HashHandle, &HashBuffer);
if (EFI_ERROR(Status)) {
return EFI_DEVICE_ERROR;
}
return EFI_SUCCESS;
}
/**
Hash sequence complete and extend to PCR.
@param HashHandle Hash handle.
@param PcrIndex PCR to be extended.
@param DataToHash Data to be hashed.
@param DataToHashLen Data size.
@param DigestList Digest list.
@retval EFI_SUCCESS Hash sequence complete and DigestList is returned.
**/
EFI_STATUS
EFIAPI
HashCompleteAndExtend (
IN HASH_HANDLE HashHandle,
IN TPMI_DH_PCR PcrIndex,
IN VOID *DataToHash,
IN UINTN DataToHashLen,
OUT TPML_DIGEST_VALUES *DigestList
)
{
UINT8 *Buffer;
UINT64 HashLen;
TPM2B_MAX_BUFFER HashBuffer;
EFI_STATUS Status;
TPM_ALG_ID AlgoId;
TPM2B_DIGEST Result;
AlgoId = Tpm2GetAlgoFromHashMask ();
Buffer = (UINT8 *)(UINTN)DataToHash;
for (HashLen = DataToHashLen; HashLen > sizeof(HashBuffer.buffer); HashLen -= sizeof(HashBuffer.buffer)) {
HashBuffer.size = sizeof(HashBuffer.buffer);
CopyMem(HashBuffer.buffer, Buffer, sizeof(HashBuffer.buffer));
Buffer += sizeof(HashBuffer.buffer);
Status = Tpm2SequenceUpdate((TPMI_DH_OBJECT)HashHandle, &HashBuffer);
if (EFI_ERROR(Status)) {
return EFI_DEVICE_ERROR;
}
}
//
// Last one
//
HashBuffer.size = (UINT16)HashLen;
CopyMem(HashBuffer.buffer, Buffer, (UINTN)HashLen);
ZeroMem(DigestList, sizeof(*DigestList));
DigestList->count = HASH_COUNT;
if (AlgoId == TPM_ALG_NULL) {
Status = Tpm2EventSequenceComplete (
PcrIndex,
(TPMI_DH_OBJECT)HashHandle,
&HashBuffer,
DigestList
);
} else {
Status = Tpm2SequenceComplete (
(TPMI_DH_OBJECT)HashHandle,
&HashBuffer,
&Result
);
if (EFI_ERROR(Status)) {
return EFI_DEVICE_ERROR;
}
DigestList->count = 1;
DigestList->digests[0].hashAlg = AlgoId;
CopyMem (&DigestList->digests[0].digest, Result.buffer, Result.size);
Status = Tpm2PcrExtend (
PcrIndex,
DigestList
);
}
if (EFI_ERROR(Status)) {
return EFI_DEVICE_ERROR;
}
return EFI_SUCCESS;
}
/**
Hash data and extend to PCR.
@param PcrIndex PCR to be extended.
@param DataToHash Data to be hashed.
@param DataToHashLen Data size.
@param DigestList Digest list.
@retval EFI_SUCCESS Hash data and DigestList is returned.
**/
EFI_STATUS
EFIAPI
HashAndExtend (
IN TPMI_DH_PCR PcrIndex,
IN VOID *DataToHash,
IN UINTN DataToHashLen,
OUT TPML_DIGEST_VALUES *DigestList
)
{
EFI_STATUS Status;
UINT8 *Buffer;
UINT64 HashLen;
TPMI_DH_OBJECT SequenceHandle;
TPM2B_MAX_BUFFER HashBuffer;
TPM_ALG_ID AlgoId;
TPM2B_EVENT EventData;
TPM2B_DIGEST Result;
DEBUG((EFI_D_INFO, "\n HashAndExtend Entry \n"));
SequenceHandle = 0xFFFFFFFF; // Know bad value
AlgoId = Tpm2GetAlgoFromHashMask ();
if ((AlgoId == TPM_ALG_NULL) && (DataToHashLen <= sizeof(EventData.buffer))) {
EventData.size = (UINT16)DataToHashLen;
CopyMem (EventData.buffer, DataToHash, DataToHashLen);
Status = Tpm2PcrEvent (PcrIndex, &EventData, DigestList);
if (EFI_ERROR(Status)) {
return EFI_DEVICE_ERROR;
}
return EFI_SUCCESS;
}
Status = Tpm2HashSequenceStart(AlgoId, &SequenceHandle);
if (EFI_ERROR(Status)) {
return EFI_DEVICE_ERROR;
}
DEBUG((EFI_D_INFO, "\n Tpm2HashSequenceStart Success \n"));
Buffer = (UINT8 *)(UINTN)DataToHash;
for (HashLen = DataToHashLen; HashLen > sizeof(HashBuffer.buffer); HashLen -= sizeof(HashBuffer.buffer)) {
HashBuffer.size = sizeof(HashBuffer.buffer);
CopyMem(HashBuffer.buffer, Buffer, sizeof(HashBuffer.buffer));
Buffer += sizeof(HashBuffer.buffer);
Status = Tpm2SequenceUpdate(SequenceHandle, &HashBuffer);
if (EFI_ERROR(Status)) {
return EFI_DEVICE_ERROR;
}
}
DEBUG((EFI_D_INFO, "\n Tpm2SequenceUpdate Success \n"));
HashBuffer.size = (UINT16)HashLen;
CopyMem(HashBuffer.buffer, Buffer, (UINTN)HashLen);
ZeroMem(DigestList, sizeof(*DigestList));
DigestList->count = HASH_COUNT;
if (AlgoId == TPM_ALG_NULL) {
Status = Tpm2EventSequenceComplete (
PcrIndex,
SequenceHandle,
&HashBuffer,
DigestList
);
if (EFI_ERROR(Status)) {
return EFI_DEVICE_ERROR;
}
DEBUG((EFI_D_INFO, "\n Tpm2EventSequenceComplete Success \n"));
} else {
Status = Tpm2SequenceComplete (
SequenceHandle,
&HashBuffer,
&Result
);
if (EFI_ERROR(Status)) {
return EFI_DEVICE_ERROR;
}
DEBUG((EFI_D_INFO, "\n Tpm2SequenceComplete Success \n"));
DigestList->count = 1;
DigestList->digests[0].hashAlg = AlgoId;
CopyMem (&DigestList->digests[0].digest, Result.buffer, Result.size);
Status = Tpm2PcrExtend (
PcrIndex,
DigestList
);
if (EFI_ERROR(Status)) {
return EFI_DEVICE_ERROR;
}
DEBUG((EFI_D_INFO, "\n Tpm2PcrExtend Success \n"));
}
return EFI_SUCCESS;
}
/**
This service register Hash.
@param HashInterface Hash interface
@retval EFI_SUCCESS This hash interface is registered successfully.
@retval EFI_UNSUPPORTED System does not support register this interface.
@retval EFI_ALREADY_STARTED System already register this interface.
**/
EFI_STATUS
EFIAPI
RegisterHashInterfaceLib (
IN HASH_INTERFACE *HashInterface
)
{
return EFI_UNSUPPORTED;
}