mirror of https://github.com/acidanthera/audk.git
SecurityPkg/TpmCommandLib: Add Tpm2ReadPublic.
Cc: Chao Zhang <chao.b.zhang@intel.com> Cc: Long Qin <qin.long@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Yao Jiewen <jiewen.yao@intel.com> Reviewed-by: Chao Zhang <chao.b.zhang@intel.com>
This commit is contained in:
Jiewen Yao
parent
9e32e9719c
commit
087132a84a
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@ -1,7 +1,7 @@
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/** @file
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This library is used by other modules to send TPM2 command.
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Copyright (c) 2013 - 2016, Intel Corporation. All rights reserved. <BR>
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Copyright (c) 2013 - 2017, Intel Corporation. All rights reserved. <BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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@ -959,6 +959,26 @@ Tpm2PolicyGetDigest (
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OUT TPM2B_DIGEST *PolicyHash
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);
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/**
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This command allows access to the public area of a loaded object.
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@param[in] ObjectHandle TPM handle of an object
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@param[out] OutPublic Structure containing the public area of an object
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@param[out] Name Name of the object
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@param[out] QualifiedName The Qualified Name of the object
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@retval EFI_SUCCESS Operation completed successfully.
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@retval EFI_DEVICE_ERROR Unexpected device behavior.
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**/
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EFI_STATUS
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EFIAPI
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Tpm2ReadPublic (
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IN TPMI_DH_OBJECT ObjectHandle,
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OUT TPM2B_PUBLIC *OutPublic,
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OUT TPM2B_NAME *Name,
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OUT TPM2B_NAME *QualifiedName
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);
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//
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// Help function
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//
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@ -3,7 +3,7 @@
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#
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# This library is used by other modules to send TPM 2.0 command.
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#
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# Copyright (c) 2013 - 2014, Intel Corporation. All rights reserved.<BR>
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# Copyright (c) 2013 - 2017, Intel Corporation. All rights reserved.<BR>
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# This program and the accompanying materials
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# are licensed and made available under the terms and conditions of the BSD License
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# which accompanies this distribution. The full text of the license may be found at
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@ -40,6 +40,7 @@
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Tpm2EnhancedAuthorization.c
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Tpm2Test.c
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Tpm2DictionaryAttack.c
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Tpm2Object.c
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Tpm2Miscellaneous.c
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Tpm2Help.c
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@ -0,0 +1,346 @@
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/** @file
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Implement TPM2 Object related command.
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Copyright (c) 2017, Intel Corporation. All rights reserved. <BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include <IndustryStandard/UefiTcgPlatform.h>
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#include <Library/Tpm2CommandLib.h>
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#include <Library/Tpm2DeviceLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/BaseLib.h>
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#include <Library/DebugLib.h>
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#pragma pack(1)
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typedef struct {
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TPM2_COMMAND_HEADER Header;
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TPMI_DH_OBJECT ObjectHandle;
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} TPM2_READ_PUBLIC_COMMAND;
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typedef struct {
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TPM2_RESPONSE_HEADER Header;
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TPM2B_PUBLIC OutPublic;
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TPM2B_NAME Name;
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TPM2B_NAME QualifiedName;
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} TPM2_READ_PUBLIC_RESPONSE;
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#pragma pack()
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/**
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This command allows access to the public area of a loaded object.
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@param[in] ObjectHandle TPM handle of an object
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@param[out] OutPublic Structure containing the public area of an object
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@param[out] Name Name of the object
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@param[out] QualifiedName The Qualified Name of the object
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@retval EFI_SUCCESS Operation completed successfully.
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@retval EFI_DEVICE_ERROR Unexpected device behavior.
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**/
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EFI_STATUS
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EFIAPI
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Tpm2ReadPublic (
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IN TPMI_DH_OBJECT ObjectHandle,
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OUT TPM2B_PUBLIC *OutPublic,
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OUT TPM2B_NAME *Name,
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OUT TPM2B_NAME *QualifiedName
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)
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{
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EFI_STATUS Status;
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TPM2_READ_PUBLIC_COMMAND SendBuffer;
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TPM2_READ_PUBLIC_RESPONSE RecvBuffer;
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UINT32 SendBufferSize;
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UINT32 RecvBufferSize;
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TPM_RC ResponseCode;
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UINT8 *Buffer;
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UINT16 OutPublicSize;
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UINT16 NameSize;
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UINT16 QualifiedNameSize;
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//
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// Construct command
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//
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SendBuffer.Header.tag = SwapBytes16(TPM_ST_NO_SESSIONS);
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SendBuffer.Header.commandCode = SwapBytes32(TPM_CC_ReadPublic);
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SendBuffer.ObjectHandle = SwapBytes32 (ObjectHandle);
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SendBufferSize = (UINT32) sizeof (SendBuffer);
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SendBuffer.Header.paramSize = SwapBytes32 (SendBufferSize);
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//
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// send Tpm command
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//
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RecvBufferSize = sizeof (RecvBuffer);
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Status = Tpm2SubmitCommand (SendBufferSize, (UINT8 *)&SendBuffer, &RecvBufferSize, (UINT8 *)&RecvBuffer);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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if (RecvBufferSize < sizeof (TPM2_RESPONSE_HEADER)) {
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DEBUG ((DEBUG_ERROR, "Tpm2ReadPublic - RecvBufferSize Error - %x\n", RecvBufferSize));
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return EFI_DEVICE_ERROR;
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}
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ResponseCode = SwapBytes32(RecvBuffer.Header.responseCode);
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if (ResponseCode != TPM_RC_SUCCESS) {
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DEBUG ((DEBUG_ERROR, "Tpm2ReadPublic - responseCode - %x\n", SwapBytes32(RecvBuffer.Header.responseCode)));
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}
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switch (ResponseCode) {
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case TPM_RC_SUCCESS:
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// return data
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break;
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case TPM_RC_SEQUENCE:
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// objectHandle references a sequence object
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return EFI_INVALID_PARAMETER;
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default:
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return EFI_DEVICE_ERROR;
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}
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//
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// Basic check
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//
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OutPublicSize = SwapBytes16 (RecvBuffer.OutPublic.size);
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NameSize = SwapBytes16 (ReadUnaligned16 ((UINT16 *)((UINT8 *)&RecvBuffer + sizeof(TPM2_RESPONSE_HEADER) +
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sizeof(UINT16) + OutPublicSize)));
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QualifiedNameSize = SwapBytes16 (ReadUnaligned16 ((UINT16 *)((UINT8 *)&RecvBuffer + sizeof(TPM2_RESPONSE_HEADER) +
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sizeof(UINT16) + OutPublicSize +
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sizeof(UINT16) + NameSize)));
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if (RecvBufferSize != sizeof(TPM2_RESPONSE_HEADER) + sizeof(UINT16) + OutPublicSize + sizeof(UINT16) + NameSize + sizeof(UINT16) + QualifiedNameSize) {
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DEBUG ((DEBUG_ERROR, "Tpm2ReadPublic - RecvBufferSize %x Error - OutPublicSize %x, NameSize %x, QualifiedNameSize %x\n", RecvBufferSize, OutPublicSize, NameSize, QualifiedNameSize));
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return EFI_DEVICE_ERROR;
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}
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//
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// Return the response
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//
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Buffer = (UINT8 *)&RecvBuffer.OutPublic;
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CopyMem (OutPublic, &RecvBuffer.OutPublic, sizeof(UINT16) + OutPublicSize);
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OutPublic->size = OutPublicSize;
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OutPublic->publicArea.type = SwapBytes16 (OutPublic->publicArea.type);
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OutPublic->publicArea.nameAlg = SwapBytes16 (OutPublic->publicArea.nameAlg);
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WriteUnaligned32 ((UINT32 *)&OutPublic->publicArea.objectAttributes, SwapBytes32 (ReadUnaligned32 ((UINT32 *)&OutPublic->publicArea.objectAttributes)));
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Buffer = (UINT8 *)&RecvBuffer.OutPublic.publicArea.authPolicy;
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OutPublic->publicArea.authPolicy.size = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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CopyMem (OutPublic->publicArea.authPolicy.buffer, Buffer, OutPublic->publicArea.authPolicy.size);
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Buffer += OutPublic->publicArea.authPolicy.size;
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// TPMU_PUBLIC_PARMS
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switch (OutPublic->publicArea.type) {
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case TPM_ALG_KEYEDHASH:
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OutPublic->publicArea.parameters.keyedHashDetail.scheme.scheme = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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switch (OutPublic->publicArea.parameters.keyedHashDetail.scheme.scheme) {
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case TPM_ALG_HMAC:
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OutPublic->publicArea.parameters.keyedHashDetail.scheme.details.hmac.hashAlg = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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break;
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case TPM_ALG_XOR:
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OutPublic->publicArea.parameters.keyedHashDetail.scheme.details.xor.hashAlg = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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OutPublic->publicArea.parameters.keyedHashDetail.scheme.details.xor.kdf = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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break;
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default:
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return EFI_UNSUPPORTED;
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}
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case TPM_ALG_SYMCIPHER:
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OutPublic->publicArea.parameters.symDetail.algorithm = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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switch (OutPublic->publicArea.parameters.symDetail.algorithm) {
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case TPM_ALG_AES:
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OutPublic->publicArea.parameters.symDetail.keyBits.aes = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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OutPublic->publicArea.parameters.symDetail.mode.aes = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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break;
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case TPM_ALG_SM4:
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OutPublic->publicArea.parameters.symDetail.keyBits.SM4 = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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OutPublic->publicArea.parameters.symDetail.mode.SM4 = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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break;
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case TPM_ALG_XOR:
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OutPublic->publicArea.parameters.symDetail.keyBits.xor = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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break;
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case TPM_ALG_NULL:
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break;
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default:
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return EFI_UNSUPPORTED;
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}
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break;
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case TPM_ALG_RSA:
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OutPublic->publicArea.parameters.rsaDetail.symmetric.algorithm = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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switch (OutPublic->publicArea.parameters.rsaDetail.symmetric.algorithm) {
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case TPM_ALG_AES:
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OutPublic->publicArea.parameters.rsaDetail.symmetric.keyBits.aes = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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OutPublic->publicArea.parameters.rsaDetail.symmetric.mode.aes = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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break;
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case TPM_ALG_SM4:
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OutPublic->publicArea.parameters.rsaDetail.symmetric.keyBits.SM4 = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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OutPublic->publicArea.parameters.rsaDetail.symmetric.mode.SM4 = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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break;
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case TPM_ALG_NULL:
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break;
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default:
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return EFI_UNSUPPORTED;
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}
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OutPublic->publicArea.parameters.rsaDetail.scheme.scheme = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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switch (OutPublic->publicArea.parameters.rsaDetail.scheme.scheme) {
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case TPM_ALG_RSASSA:
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OutPublic->publicArea.parameters.rsaDetail.scheme.details.rsassa.hashAlg = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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break;
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case TPM_ALG_RSAPSS:
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OutPublic->publicArea.parameters.rsaDetail.scheme.details.rsapss.hashAlg = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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break;
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case TPM_ALG_RSAES:
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break;
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case TPM_ALG_OAEP:
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OutPublic->publicArea.parameters.rsaDetail.scheme.details.oaep.hashAlg = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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break;
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case TPM_ALG_NULL:
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break;
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default:
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return EFI_UNSUPPORTED;
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}
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OutPublic->publicArea.parameters.rsaDetail.keyBits = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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OutPublic->publicArea.parameters.rsaDetail.exponent = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT32);
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break;
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case TPM_ALG_ECC:
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OutPublic->publicArea.parameters.eccDetail.symmetric.algorithm = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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switch (OutPublic->publicArea.parameters.eccDetail.symmetric.algorithm) {
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case TPM_ALG_AES:
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OutPublic->publicArea.parameters.eccDetail.symmetric.keyBits.aes = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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OutPublic->publicArea.parameters.eccDetail.symmetric.mode.aes = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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break;
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case TPM_ALG_SM4:
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OutPublic->publicArea.parameters.eccDetail.symmetric.keyBits.SM4 = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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OutPublic->publicArea.parameters.eccDetail.symmetric.mode.SM4 = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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break;
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case TPM_ALG_NULL:
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break;
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default:
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return EFI_UNSUPPORTED;
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}
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OutPublic->publicArea.parameters.eccDetail.scheme.scheme = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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switch (OutPublic->publicArea.parameters.eccDetail.scheme.scheme) {
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case TPM_ALG_ECDSA:
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OutPublic->publicArea.parameters.eccDetail.scheme.details.ecdsa.hashAlg = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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break;
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case TPM_ALG_ECDAA:
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OutPublic->publicArea.parameters.eccDetail.scheme.details.ecdaa.hashAlg = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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break;
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case TPM_ALG_ECSCHNORR:
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OutPublic->publicArea.parameters.eccDetail.scheme.details.ecSchnorr.hashAlg = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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break;
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case TPM_ALG_ECDH:
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break;
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case TPM_ALG_NULL:
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break;
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default:
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return EFI_UNSUPPORTED;
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}
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OutPublic->publicArea.parameters.eccDetail.curveID = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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OutPublic->publicArea.parameters.eccDetail.kdf.scheme = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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switch (OutPublic->publicArea.parameters.eccDetail.kdf.scheme) {
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case TPM_ALG_MGF1:
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OutPublic->publicArea.parameters.eccDetail.kdf.details.mgf1.hashAlg = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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break;
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case TPM_ALG_KDF1_SP800_108:
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OutPublic->publicArea.parameters.eccDetail.kdf.details.kdf1_sp800_108.hashAlg = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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break;
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case TPM_ALG_KDF1_SP800_56a:
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OutPublic->publicArea.parameters.eccDetail.kdf.details.kdf1_SP800_56a.hashAlg = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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break;
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case TPM_ALG_KDF2:
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OutPublic->publicArea.parameters.eccDetail.kdf.details.kdf2.hashAlg = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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break;
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case TPM_ALG_NULL:
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break;
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default:
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return EFI_UNSUPPORTED;
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}
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break;
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default:
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return EFI_UNSUPPORTED;
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}
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// TPMU_PUBLIC_ID
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switch (OutPublic->publicArea.type) {
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case TPM_ALG_KEYEDHASH:
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OutPublic->publicArea.unique.keyedHash.size = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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CopyMem (OutPublic->publicArea.unique.keyedHash.buffer, Buffer, OutPublic->publicArea.unique.keyedHash.size);
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Buffer += OutPublic->publicArea.unique.keyedHash.size;
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break;
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case TPM_ALG_SYMCIPHER:
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OutPublic->publicArea.unique.sym.size = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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CopyMem (OutPublic->publicArea.unique.sym.buffer, Buffer, OutPublic->publicArea.unique.sym.size);
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Buffer += OutPublic->publicArea.unique.sym.size;
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break;
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case TPM_ALG_RSA:
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OutPublic->publicArea.unique.rsa.size = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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CopyMem (OutPublic->publicArea.unique.rsa.buffer, Buffer, OutPublic->publicArea.unique.rsa.size);
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Buffer += OutPublic->publicArea.unique.rsa.size;
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break;
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case TPM_ALG_ECC:
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OutPublic->publicArea.unique.ecc.x.size = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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CopyMem (OutPublic->publicArea.unique.ecc.x.buffer, Buffer, OutPublic->publicArea.unique.ecc.x.size);
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Buffer += OutPublic->publicArea.unique.ecc.x.size;
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OutPublic->publicArea.unique.ecc.y.size = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));
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Buffer += sizeof(UINT16);
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CopyMem (OutPublic->publicArea.unique.ecc.y.buffer, Buffer, OutPublic->publicArea.unique.ecc.y.size);
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Buffer += OutPublic->publicArea.unique.ecc.y.size;
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break;
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default:
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return EFI_UNSUPPORTED;
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}
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|
||||
CopyMem (Name->name, (UINT8 *)&RecvBuffer + sizeof(TPM2_RESPONSE_HEADER) + sizeof(UINT16) + OutPublicSize + sizeof(UINT16), NameSize);
|
||||
Name->size = NameSize;
|
||||
|
||||
CopyMem (QualifiedName->name, (UINT8 *)&RecvBuffer + sizeof(TPM2_RESPONSE_HEADER) + sizeof(UINT16) + OutPublicSize + sizeof(UINT16) + NameSize + sizeof(UINT16), QualifiedNameSize);
|
||||
QualifiedName->size = QualifiedNameSize;
|
||||
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
Loading…
Reference in New Issue