diff options
Diffstat (limited to 'SecurityPkg/Tcg/TcgPei/TpmComm.c')
| -rw-r--r-- | SecurityPkg/Tcg/TcgPei/TpmComm.c | 272 |
1 files changed, 0 insertions, 272 deletions
diff --git a/SecurityPkg/Tcg/TcgPei/TpmComm.c b/SecurityPkg/Tcg/TcgPei/TpmComm.c deleted file mode 100644 index 1a2156c6eb..0000000000 --- a/SecurityPkg/Tcg/TcgPei/TpmComm.c +++ /dev/null @@ -1,272 +0,0 @@ -/** @file
- Utility functions used by TPM PEI driver.
-
-Copyright (c) 2005 - 2016, 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 "TpmComm.h"
-
-/**
- Send TPM_Startup command to TPM.
-
- @param[in] PeiServices Describes the list of possible PEI Services.
- @param[in] BootMode Boot mode.
-
- @retval EFI_SUCCESS Operation completed successfully.
- @retval EFI_TIMEOUT The register can't run into the expected status in time.
- @retval EFI_BUFFER_TOO_SMALL Response data buffer is too small.
- @retval EFI_DEVICE_ERROR Unexpected device behavior.
-
-**/
-EFI_STATUS
-TpmCommStartup (
- IN EFI_PEI_SERVICES **PeiServices,
- IN EFI_BOOT_MODE BootMode
- )
-{
- EFI_STATUS Status;
- TPM_STARTUP_TYPE TpmSt;
- UINT32 TpmRecvSize;
- UINT32 TpmSendSize;
- TPM_CMD_START_UP SendBuffer;
- UINT8 RecvBuffer[20];
-
- TpmSt = TPM_ST_CLEAR;
- if (BootMode == BOOT_ON_S3_RESUME) {
- TpmSt = TPM_ST_STATE;
- }
- //
- // send Tpm command TPM_ORD_Startup
- //
- TpmRecvSize = 20;
- TpmSendSize = sizeof (TPM_CMD_START_UP);
- SendBuffer.Hdr.tag = SwapBytes16 (TPM_TAG_RQU_COMMAND);
- SendBuffer.Hdr.paramSize = SwapBytes32 (TpmSendSize);
- SendBuffer.Hdr.ordinal = SwapBytes32 (TPM_ORD_Startup);
- SendBuffer.TpmSt = SwapBytes16 (TpmSt);
- Status = Tpm12SubmitCommand (TpmSendSize, (UINT8 *)&SendBuffer, &TpmRecvSize, RecvBuffer);
- return Status;
-}
-
-/**
- Send TPM_ContinueSelfTest command to TPM.
-
- @param[in] PeiServices Describes the list of possible PEI Services.
-
- @retval EFI_SUCCESS Operation completed successfully.
- @retval EFI_TIMEOUT The register can't run into the expected status in time.
- @retval EFI_BUFFER_TOO_SMALL Response data buffer is too small.
- @retval EFI_DEVICE_ERROR Unexpected device behavior.
-
-**/
-EFI_STATUS
-TpmCommContinueSelfTest (
- IN EFI_PEI_SERVICES **PeiServices
- )
-{
- EFI_STATUS Status;
- UINT32 TpmRecvSize;
- UINT32 TpmSendSize;
- TPM_CMD_SELF_TEST SendBuffer;
- UINT8 RecvBuffer[20];
-
- //
- // send Tpm command TPM_ORD_ContinueSelfTest
- //
- TpmRecvSize = 20;
- TpmSendSize = sizeof (TPM_CMD_SELF_TEST);
- SendBuffer.Hdr.tag = SwapBytes16 (TPM_TAG_RQU_COMMAND);
- SendBuffer.Hdr.paramSize = SwapBytes32 (TpmSendSize);
- SendBuffer.Hdr.ordinal = SwapBytes32 (TPM_ORD_ContinueSelfTest);
- Status = Tpm12SubmitCommand (TpmSendSize, (UINT8 *)&SendBuffer, &TpmRecvSize, RecvBuffer);
- return Status;
-}
-
-/**
- Get TPM capability flags.
-
- @param[in] PeiServices Describes the list of possible PEI Services.
- @param[out] Deactivated Returns deactivated flag.
- @param[out] LifetimeLock Returns physicalPresenceLifetimeLock permanent flag.
- @param[out] CmdEnable Returns physicalPresenceCMDEnable permanent flag.
-
- @retval EFI_SUCCESS Operation completed successfully.
- @retval EFI_TIMEOUT The register can't run into the expected status in time.
- @retval EFI_BUFFER_TOO_SMALL Response data buffer is too small.
- @retval EFI_DEVICE_ERROR Unexpected device behavior.
-
-**/
-EFI_STATUS
-TpmCommGetCapability (
- IN EFI_PEI_SERVICES **PeiServices,
- OUT BOOLEAN *Deactivated, OPTIONAL
- OUT BOOLEAN *LifetimeLock, OPTIONAL
- OUT BOOLEAN *CmdEnable OPTIONAL
- )
-{
- EFI_STATUS Status;
- UINT32 TpmRecvSize;
- UINT32 TpmSendSize;
- TPM_CMD_GET_CAPABILITY SendBuffer;
- UINT8 RecvBuffer[40];
- TPM_PERMANENT_FLAGS *TpmPermanentFlags;
-
- //
- // send Tpm command TPM_ORD_GetCapability
- //
- TpmRecvSize = 40;
- TpmSendSize = sizeof (TPM_CMD_GET_CAPABILITY);
- SendBuffer.Hdr.tag = SwapBytes16 (TPM_TAG_RQU_COMMAND);
- SendBuffer.Hdr.paramSize = SwapBytes32 (TpmSendSize);
- SendBuffer.Hdr.ordinal = SwapBytes32 (TPM_ORD_GetCapability);
- SendBuffer.Capability = SwapBytes32 (TPM_CAP_FLAG);
- SendBuffer.CapabilityFlagSize = SwapBytes32 (sizeof (TPM_CAP_FLAG_PERMANENT));
- SendBuffer.CapabilityFlag = SwapBytes32 (TPM_CAP_FLAG_PERMANENT);
- Status = Tpm12SubmitCommand (TpmSendSize, (UINT8 *)&SendBuffer, &TpmRecvSize, RecvBuffer);
- if (EFI_ERROR (Status)) {
- return Status;
- }
- TpmPermanentFlags = (TPM_PERMANENT_FLAGS *)&RecvBuffer[sizeof (TPM_RSP_COMMAND_HDR) + sizeof (UINT32)];
- if (Deactivated != NULL) {
- *Deactivated = TpmPermanentFlags->deactivated;
- }
-
- if (LifetimeLock != NULL) {
- *LifetimeLock = TpmPermanentFlags->physicalPresenceLifetimeLock;
- }
-
- if (CmdEnable != NULL) {
- *CmdEnable = TpmPermanentFlags->physicalPresenceCMDEnable;
- }
- return Status;
-}
-
-/**
- Extend a TPM PCR.
-
- @param[in] PeiServices Describes the list of possible PEI Services.
- @param[in] DigestToExtend The 160 bit value representing the event to be recorded.
- @param[in] PcrIndex The PCR to be updated.
- @param[out] NewPcrValue New PCR value after extend.
-
- @retval EFI_SUCCESS Operation completed successfully.
- @retval EFI_TIMEOUT The register can't run into the expected status in time.
- @retval EFI_BUFFER_TOO_SMALL Response data buffer is too small.
- @retval EFI_DEVICE_ERROR Unexpected device behavior.
-
-**/
-EFI_STATUS
-TpmCommExtend (
- IN EFI_PEI_SERVICES **PeiServices,
- IN TPM_DIGEST *DigestToExtend,
- IN TPM_PCRINDEX PcrIndex,
- OUT TPM_DIGEST *NewPcrValue
- )
-{
- EFI_STATUS Status;
- UINT32 TpmSendSize;
- UINT32 TpmRecvSize;
- TPM_CMD_EXTEND SendBuffer;
- UINT8 RecvBuffer[10 + sizeof(TPM_DIGEST)];
-
- //
- // send Tpm command TPM_ORD_Extend
- //
- TpmRecvSize = sizeof (TPM_RSP_COMMAND_HDR) + sizeof (TPM_DIGEST);
- TpmSendSize = sizeof (TPM_CMD_EXTEND);
- SendBuffer.Hdr.tag = SwapBytes16 (TPM_TAG_RQU_COMMAND);
- SendBuffer.Hdr.paramSize = SwapBytes32 (TpmSendSize);
- SendBuffer.Hdr.ordinal = SwapBytes32 (TPM_ORD_Extend);
- SendBuffer.PcrIndex = SwapBytes32 (PcrIndex);
- CopyMem (&SendBuffer.TpmDigest, (UINT8 *)DigestToExtend, sizeof (TPM_DIGEST));
- Status = Tpm12SubmitCommand (TpmSendSize, (UINT8 *)&SendBuffer, &TpmRecvSize, RecvBuffer);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- if(NewPcrValue != NULL) {
- CopyMem ((UINT8*)NewPcrValue, &RecvBuffer[10], sizeof (TPM_DIGEST));
- }
-
- return Status;
-}
-
-
-/**
- Send TSC_PhysicalPresence command to TPM.
-
- @param[in] PeiServices Describes the list of possible PEI Services.
- @param[in] PhysicalPresence The state to set the TPMs Physical Presence flags.
-
- @retval EFI_SUCCESS Operation completed successfully.
- @retval EFI_TIMEOUT The register can't run into the expected status in time.
- @retval EFI_BUFFER_TOO_SMALL Response data buffer is too small.
- @retval EFI_DEVICE_ERROR Unexpected device behavior.
-
-**/
-EFI_STATUS
-TpmCommPhysicalPresence (
- IN EFI_PEI_SERVICES **PeiServices,
- IN TPM_PHYSICAL_PRESENCE PhysicalPresence
- )
-{
- EFI_STATUS Status;
- UINT32 TpmSendSize;
- UINT32 TpmRecvSize;
- TPM_CMD_PHYSICAL_PRESENCE SendBuffer;
- UINT8 RecvBuffer[10];
-
- //
- // send Tpm command TSC_ORD_PhysicalPresence
- //
- TpmRecvSize = 10;
- TpmSendSize = sizeof (TPM_CMD_PHYSICAL_PRESENCE);
- SendBuffer.Hdr.tag = SwapBytes16 (TPM_TAG_RQU_COMMAND);
- SendBuffer.Hdr.paramSize = SwapBytes32 (TpmSendSize);
- SendBuffer.Hdr.ordinal = SwapBytes32 (TSC_ORD_PhysicalPresence);
- SendBuffer.PhysicalPresence = SwapBytes16 (PhysicalPresence);
- Status = Tpm12SubmitCommand (TpmSendSize, (UINT8 *)&SendBuffer, &TpmRecvSize, RecvBuffer);
- return Status;
-}
-
-/**
- Single function calculates SHA1 digest value for all raw data. It
- combines Sha1Init(), Sha1Update() and Sha1Final().
-
- @param[in] Data Raw data to be digested.
- @param[in] DataLen Size of the raw data.
- @param[out] Digest Pointer to a buffer that stores the final digest.
-
- @retval EFI_SUCCESS Always successfully calculate the final digest.
-**/
-EFI_STATUS
-EFIAPI
-TpmCommHashAll (
- IN CONST UINT8 *Data,
- IN UINTN DataLen,
- OUT TPM_DIGEST *Digest
- )
-{
- VOID *Sha1Ctx;
- UINTN CtxSize;
-
- CtxSize = Sha1GetContextSize ();
- Sha1Ctx = AllocatePool (CtxSize);
- ASSERT (Sha1Ctx != NULL);
-
- Sha1Init (Sha1Ctx);
- Sha1Update (Sha1Ctx, Data, DataLen);
- Sha1Final (Sha1Ctx, (UINT8 *)Digest);
-
- FreePool (Sha1Ctx);
-
- return EFI_SUCCESS;
-}
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