/** @file\r
Implement TPM2 Integrity related command.\r
\r
-Copyright (c) 2013, Intel Corporation. All rights reserved. <BR>\r
+Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved. <BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
Buffer = (UINT8 *)&Res.Digests;\r
\r
Digests->count = SwapBytes32 (ReadUnaligned32 ((UINT32 *)Buffer));\r
+ if (Digests->count > HASH_COUNT) {\r
+ DEBUG ((DEBUG_ERROR, "Tpm2PcrEvent - Digests->count error %x\n", Digests->count));\r
+ return EFI_DEVICE_ERROR;\r
+ }\r
+\r
Buffer += sizeof(UINT32);\r
for (Index = 0; Index < Digests->count; Index++) {\r
Digests->digests[Index].hashAlg = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));\r
return EFI_DEVICE_ERROR;\r
}\r
PcrSelectionOut->count = SwapBytes32(RecvBuffer.PcrSelectionOut.count);\r
+ if (PcrSelectionOut->count > HASH_COUNT) {\r
+ DEBUG ((DEBUG_ERROR, "Tpm2PcrRead - PcrSelectionOut->count error %x\n", PcrSelectionOut->count));\r
+ return EFI_DEVICE_ERROR;\r
+ }\r
+\r
if (RecvBufferSize < sizeof (TPM2_RESPONSE_HEADER) + sizeof(RecvBuffer.PcrUpdateCounter) + sizeof(RecvBuffer.PcrSelectionOut.count) + sizeof(RecvBuffer.PcrSelectionOut.pcrSelections[0]) * PcrSelectionOut->count) {\r
DEBUG ((EFI_D_ERROR, "Tpm2PcrRead - RecvBufferSize Error - %x\n", RecvBufferSize));\r
return EFI_DEVICE_ERROR;\r
for (Index = 0; Index < PcrSelectionOut->count; Index++) {\r
PcrSelectionOut->pcrSelections[Index].hash = SwapBytes16(RecvBuffer.PcrSelectionOut.pcrSelections[Index].hash);\r
PcrSelectionOut->pcrSelections[Index].sizeofSelect = RecvBuffer.PcrSelectionOut.pcrSelections[Index].sizeofSelect;\r
+ if (PcrSelectionOut->pcrSelections[Index].sizeofSelect > PCR_SELECT_MAX) {\r
+ return EFI_DEVICE_ERROR;\r
+ }\r
CopyMem (&PcrSelectionOut->pcrSelections[Index].pcrSelect, &RecvBuffer.PcrSelectionOut.pcrSelections[Index].pcrSelect, PcrSelectionOut->pcrSelections[Index].sizeofSelect);\r
}\r
\r
//\r
PcrValuesOut = (TPML_DIGEST *)((UINT8 *)&RecvBuffer + sizeof (TPM2_RESPONSE_HEADER) + sizeof(RecvBuffer.PcrUpdateCounter) + sizeof(RecvBuffer.PcrSelectionOut.count) + sizeof(RecvBuffer.PcrSelectionOut.pcrSelections[0]) * PcrSelectionOut->count);\r
PcrValues->count = SwapBytes32(PcrValuesOut->count);\r
+ //\r
+ // The number of digests in list is not greater than 8 per TPML_DIGEST definition\r
+ //\r
+ if (PcrValues->count > 8) {\r
+ DEBUG ((DEBUG_ERROR, "Tpm2PcrRead - PcrValues->count error %x\n", PcrValues->count));\r
+ return EFI_DEVICE_ERROR;\r
+ }\r
Digests = PcrValuesOut->digests;\r
for (Index = 0; Index < PcrValues->count; Index++) {\r
PcrValues->digests[Index].size = SwapBytes16(Digests->size);\r
+ if (PcrValues->digests[Index].size > sizeof(TPMU_HA)) {\r
+ DEBUG ((DEBUG_ERROR, "Tpm2PcrRead - Digest.size error %x\n", PcrValues->digests[Index].size));\r
+ return EFI_DEVICE_ERROR;\r
+ }\r
CopyMem (&PcrValues->digests[Index].buffer, &Digests->buffer, PcrValues->digests[Index].size);\r
Digests = (TPM2B_DIGEST *)((UINT8 *)Digests + sizeof(Digests->size) + PcrValues->digests[Index].size);\r
}\r
WriteUnaligned16 ((UINT16 *)Buffer, SwapBytes16(PcrAllocation->pcrSelections[Index].hash));\r
Buffer += sizeof(UINT16);\r
*(UINT8 *)Buffer = PcrAllocation->pcrSelections[Index].sizeofSelect;\r
- Buffer += sizeof(UINT8);\r
+ Buffer++;\r
CopyMem (Buffer, PcrAllocation->pcrSelections[Index].pcrSelect, PcrAllocation->pcrSelections[Index].sizeofSelect);\r
Buffer += PcrAllocation->pcrSelections[Index].sizeofSelect;\r
}\r
&ResultBufSize,\r
ResultBuf\r
);\r
+ if (EFI_ERROR(Status)) {\r
+ goto Done;\r
+ }\r
\r
if (ResultBufSize > sizeof(Res)) {\r
DEBUG ((EFI_D_ERROR, "Tpm2PcrAllocate: Failed ExecuteCommand: Buffer Too Small\r\n"));\r
- return EFI_BUFFER_TOO_SMALL;\r
+ Status = EFI_BUFFER_TOO_SMALL;\r
+ goto Done;\r
}\r
\r
//\r
RespSize = SwapBytes32(Res.Header.paramSize);\r
if (RespSize > sizeof(Res)) {\r
DEBUG ((EFI_D_ERROR, "Tpm2PcrAllocate: Response size too large! %d\r\n", RespSize));\r
- return EFI_BUFFER_TOO_SMALL;\r
+ Status = EFI_BUFFER_TOO_SMALL;\r
+ goto Done;\r
}\r
\r
//\r
//\r
if (SwapBytes32(Res.Header.responseCode) != TPM_RC_SUCCESS) {\r
DEBUG((EFI_D_ERROR,"Tpm2PcrAllocate: Response Code error! 0x%08x\r\n", SwapBytes32(Res.Header.responseCode)));\r
- return EFI_DEVICE_ERROR;\r
+ Status = EFI_DEVICE_ERROR;\r
+ goto Done;\r
}\r
\r
//\r
*SizeNeeded = SwapBytes32(Res.SizeNeeded);\r
*SizeAvailable = SwapBytes32(Res.SizeAvailable);\r
\r
- return EFI_SUCCESS;\r
+Done:\r
+ //\r
+ // Clear AuthSession Content\r
+ //\r
+ ZeroMem (&Cmd, sizeof(Cmd));\r
+ ZeroMem (&Res, sizeof(Res));\r
+ return Status;\r
}\r
+\r
+/**\r
+ Alloc PCR data.\r
+\r
+ @param[in] PlatformAuth platform auth value. NULL means no platform auth change.\r
+ @param[in] SupportedPCRBanks Supported PCR banks\r
+ @param[in] PCRBanks PCR banks\r
+ \r
+ @retval EFI_SUCCESS Operation completed successfully.\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+Tpm2PcrAllocateBanks (\r
+ IN TPM2B_AUTH *PlatformAuth, OPTIONAL\r
+ IN UINT32 SupportedPCRBanks,\r
+ IN UINT32 PCRBanks\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ TPMS_AUTH_COMMAND *AuthSession;\r
+ TPMS_AUTH_COMMAND LocalAuthSession;\r
+ TPML_PCR_SELECTION PcrAllocation;\r
+ TPMI_YES_NO AllocationSuccess;\r
+ UINT32 MaxPCR;\r
+ UINT32 SizeNeeded;\r
+ UINT32 SizeAvailable;\r
+\r
+ if (PlatformAuth == NULL) {\r
+ AuthSession = NULL;\r
+ } else {\r
+ AuthSession = &LocalAuthSession;\r
+ ZeroMem (&LocalAuthSession, sizeof(LocalAuthSession));\r
+ LocalAuthSession.sessionHandle = TPM_RS_PW;\r
+ LocalAuthSession.hmac.size = PlatformAuth->size;\r
+ CopyMem (LocalAuthSession.hmac.buffer, PlatformAuth->buffer, PlatformAuth->size);\r
+ }\r
+\r
+ //\r
+ // Fill input\r
+ //\r
+ ZeroMem (&PcrAllocation, sizeof(PcrAllocation));\r
+ if ((HASH_ALG_SHA1 & SupportedPCRBanks) != 0) {\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].hash = TPM_ALG_SHA1;\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].sizeofSelect = PCR_SELECT_MAX;\r
+ if ((HASH_ALG_SHA1 & PCRBanks) != 0) {\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].pcrSelect[0] = 0xFF;\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].pcrSelect[1] = 0xFF;\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].pcrSelect[2] = 0xFF;\r
+ } else {\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].pcrSelect[0] = 0x00;\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].pcrSelect[1] = 0x00;\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].pcrSelect[2] = 0x00;\r
+ }\r
+ PcrAllocation.count++;\r
+ }\r
+ if ((HASH_ALG_SHA256 & SupportedPCRBanks) != 0) {\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].hash = TPM_ALG_SHA256;\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].sizeofSelect = PCR_SELECT_MAX;\r
+ if ((HASH_ALG_SHA256 & PCRBanks) != 0) {\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].pcrSelect[0] = 0xFF;\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].pcrSelect[1] = 0xFF;\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].pcrSelect[2] = 0xFF;\r
+ } else {\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].pcrSelect[0] = 0x00;\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].pcrSelect[1] = 0x00;\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].pcrSelect[2] = 0x00;\r
+ }\r
+ PcrAllocation.count++;\r
+ }\r
+ if ((HASH_ALG_SHA384 & SupportedPCRBanks) != 0) {\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].hash = TPM_ALG_SHA384;\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].sizeofSelect = PCR_SELECT_MAX;\r
+ if ((HASH_ALG_SHA384 & PCRBanks) != 0) {\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].pcrSelect[0] = 0xFF;\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].pcrSelect[1] = 0xFF;\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].pcrSelect[2] = 0xFF;\r
+ } else {\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].pcrSelect[0] = 0x00;\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].pcrSelect[1] = 0x00;\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].pcrSelect[2] = 0x00;\r
+ }\r
+ PcrAllocation.count++;\r
+ }\r
+ if ((HASH_ALG_SHA512 & SupportedPCRBanks) != 0) {\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].hash = TPM_ALG_SHA512;\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].sizeofSelect = PCR_SELECT_MAX;\r
+ if ((HASH_ALG_SHA512 & PCRBanks) != 0) {\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].pcrSelect[0] = 0xFF;\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].pcrSelect[1] = 0xFF;\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].pcrSelect[2] = 0xFF;\r
+ } else {\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].pcrSelect[0] = 0x00;\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].pcrSelect[1] = 0x00;\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].pcrSelect[2] = 0x00;\r
+ }\r
+ PcrAllocation.count++;\r
+ }\r
+ if ((HASH_ALG_SM3_256 & SupportedPCRBanks) != 0) {\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].hash = TPM_ALG_SM3_256;\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].sizeofSelect = PCR_SELECT_MAX;\r
+ if ((HASH_ALG_SM3_256 & PCRBanks) != 0) {\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].pcrSelect[0] = 0xFF;\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].pcrSelect[1] = 0xFF;\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].pcrSelect[2] = 0xFF;\r
+ } else {\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].pcrSelect[0] = 0x00;\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].pcrSelect[1] = 0x00;\r
+ PcrAllocation.pcrSelections[PcrAllocation.count].pcrSelect[2] = 0x00;\r
+ }\r
+ PcrAllocation.count++;\r
+ }\r
+ Status = Tpm2PcrAllocate (\r
+ TPM_RH_PLATFORM,\r
+ AuthSession,\r
+ &PcrAllocation,\r
+ &AllocationSuccess,\r
+ &MaxPCR,\r
+ &SizeNeeded,\r
+ &SizeAvailable\r
+ );\r
+ DEBUG ((EFI_D_INFO, "Tpm2PcrAllocateBanks call Tpm2PcrAllocate - %r\n", Status));\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+\r
+ DEBUG ((EFI_D_INFO, "AllocationSuccess - %02x\n", AllocationSuccess));\r
+ DEBUG ((EFI_D_INFO, "MaxPCR - %08x\n", MaxPCR));\r
+ DEBUG ((EFI_D_INFO, "SizeNeeded - %08x\n", SizeNeeded));\r
+ DEBUG ((EFI_D_INFO, "SizeAvailable - %08x\n", SizeAvailable));\r
+\r
+Done:\r
+ ZeroMem(&LocalAuthSession.hmac, sizeof(LocalAuthSession.hmac));\r
+ return Status;\r
+}
\ No newline at end of file
projects / mirror_edk2.git / blobdiff