This module implements Tcg2 Protocol.\r
\r
Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>\r
+(C) Copyright 2016 Hewlett Packard Enterprise Development LP<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
PE/COFF image is external input, so this function will validate its data structure\r
within this image buffer before use.\r
\r
+ Notes: PE/COFF image is checked by BasePeCoffLib PeCoffLoaderGetImageInfo().\r
+\r
@param[in] PCRIndex TPM PCR index\r
@param[in] ImageAddress Start address of image buffer.\r
@param[in] ImageSize Image size\r
}\r
}\r
\r
-/**\r
- Check if buffer is all zero.\r
-\r
- @param[in] Buffer Buffer to be checked.\r
- @param[in] BufferSize Size of buffer to be checked.\r
-\r
- @retval TRUE Buffer is all zero.\r
- @retval FALSE Buffer is not all zero.\r
-**/\r
-BOOLEAN\r
-IsZeroBuffer (\r
- IN VOID *Buffer,\r
- IN UINTN BufferSize\r
- )\r
-{\r
- UINT8 *BufferData;\r
- UINTN Index;\r
-\r
- BufferData = Buffer;\r
- for (Index = 0; Index < BufferSize; Index++) {\r
- if (BufferData[Index] != 0) {\r
- return FALSE;\r
- }\r
- }\r
- return TRUE;\r
-}\r
-\r
/**\r
Get All processors EFI_CPU_LOCATION in system. LocationBuf is allocated inside the function\r
Caller is responsible to free LocationBuf.\r
IN OUT EFI_TCG2_BOOT_SERVICE_CAPABILITY *ProtocolCapability\r
)\r
{\r
- DEBUG ((EFI_D_INFO, "Tcg2GetCapability ...\n"));\r
+ DEBUG ((DEBUG_VERBOSE, "Tcg2GetCapability ...\n"));\r
\r
if ((This == NULL) || (ProtocolCapability == NULL)) {\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
- DEBUG ((EFI_D_INFO, "Size - 0x%x\n", ProtocolCapability->Size));\r
- DEBUG ((EFI_D_INFO, " 1.1 - 0x%x, 1.0 - 0x%x\n", sizeof(EFI_TCG2_BOOT_SERVICE_CAPABILITY), sizeof(TREE_BOOT_SERVICE_CAPABILITY_1_0)));\r
+ DEBUG ((DEBUG_VERBOSE, "Size - 0x%x\n", ProtocolCapability->Size));\r
+ DEBUG ((DEBUG_VERBOSE, " 1.1 - 0x%x, 1.0 - 0x%x\n", sizeof(EFI_TCG2_BOOT_SERVICE_CAPABILITY), sizeof(TREE_BOOT_SERVICE_CAPABILITY_1_0)));\r
\r
if (ProtocolCapability->Size < mTcgDxeData.BsCap.Size) {\r
//\r
}\r
\r
CopyMem (ProtocolCapability, &mTcgDxeData.BsCap, mTcgDxeData.BsCap.Size);\r
- DEBUG ((EFI_D_INFO, "Tcg2GetCapability - %r\n", EFI_SUCCESS));\r
+ DEBUG ((DEBUG_VERBOSE, "Tcg2GetCapability - %r\n", EFI_SUCCESS));\r
return EFI_SUCCESS;\r
}\r
\r
return Status;\r
}\r
\r
-/**\r
- This function get digest from digest list.\r
-\r
- @param HashAlg digest algorithm\r
- @param DigestList digest list\r
- @param Digest digest\r
-\r
- @retval EFI_SUCCESS Sha1Digest is found and returned.\r
- @retval EFI_NOT_FOUND Sha1Digest is not found.\r
-**/\r
-EFI_STATUS\r
-Tpm2GetDigestFromDigestList (\r
- IN TPMI_ALG_HASH HashAlg,\r
- IN TPML_DIGEST_VALUES *DigestList,\r
- IN VOID *Digest\r
- )\r
-{\r
- UINTN Index;\r
- UINT16 DigestSize;\r
-\r
- DigestSize = GetHashSizeFromAlgo (HashAlg);\r
- for (Index = 0; Index < DigestList->count; Index++) {\r
- if (DigestList->digests[Index].hashAlg == HashAlg) {\r
- CopyMem (\r
- Digest,\r
- &DigestList->digests[Index].digest,\r
- DigestSize\r
- );\r
- return EFI_SUCCESS;\r
- }\r
- }\r
-\r
- return EFI_NOT_FOUND;\r
-}\r
-\r
-/**\r
- Get TPML_DIGEST_VALUES data size.\r
-\r
- @param[in] DigestList TPML_DIGEST_VALUES data.\r
-\r
- @return TPML_DIGEST_VALUES data size.\r
-**/\r
-UINT32\r
-GetDigestListSize (\r
- IN TPML_DIGEST_VALUES *DigestList\r
- )\r
-{\r
- UINTN Index;\r
- UINT16 DigestSize;\r
- UINT32 TotalSize;\r
-\r
- TotalSize = sizeof(DigestList->count);\r
- for (Index = 0; Index < DigestList->count; Index++) {\r
- DigestSize = GetHashSizeFromAlgo (DigestList->digests[Index].hashAlg);\r
- TotalSize += sizeof(DigestList->digests[Index].hashAlg) + DigestSize;\r
- }\r
-\r
- return TotalSize;\r
-}\r
-\r
/**\r
Get TPML_DIGEST_VALUES compact binary buffer size.\r
\r
return TotalSize;\r
}\r
\r
-/**\r
- Return if hash alg is supported in TPM PCR bank.\r
-\r
- @param HashAlg Hash algorithm to be checked.\r
-\r
- @retval TRUE Hash algorithm is supported.\r
- @retval FALSE Hash algorithm is not supported.\r
-**/\r
-BOOLEAN\r
-IsHashAlgSupportedInPcrBank (\r
- IN TPMI_ALG_HASH HashAlg\r
- )\r
-{\r
- switch (HashAlg) {\r
- case TPM_ALG_SHA1:\r
- if ((mTcgDxeData.BsCap.ActivePcrBanks & EFI_TCG2_BOOT_HASH_ALG_SHA1) != 0) {\r
- return TRUE;\r
- }\r
- break;\r
- case TPM_ALG_SHA256:\r
- if ((mTcgDxeData.BsCap.ActivePcrBanks & EFI_TCG2_BOOT_HASH_ALG_SHA256) != 0) {\r
- return TRUE;\r
- }\r
- break;\r
- case TPM_ALG_SHA384:\r
- if ((mTcgDxeData.BsCap.ActivePcrBanks & EFI_TCG2_BOOT_HASH_ALG_SHA384) != 0) {\r
- return TRUE;\r
- }\r
- break;\r
- case TPM_ALG_SHA512:\r
- if ((mTcgDxeData.BsCap.ActivePcrBanks & EFI_TCG2_BOOT_HASH_ALG_SHA512) != 0) {\r
- return TRUE;\r
- }\r
- break;\r
- case TPM_ALG_SM3_256:\r
- if ((mTcgDxeData.BsCap.ActivePcrBanks & EFI_TCG2_BOOT_HASH_ALG_SM3_256) != 0) {\r
- return TRUE;\r
- }\r
- break;\r
- }\r
-\r
- return FALSE;\r
-}\r
-\r
-/**\r
- Copy TPML_DIGEST_VALUES into a buffer\r
-\r
- @param[in,out] Buffer Buffer to hold TPML_DIGEST_VALUES.\r
- @param[in] DigestList TPML_DIGEST_VALUES to be copied.\r
-\r
- @return The end of buffer to hold TPML_DIGEST_VALUES.\r
-**/\r
-VOID *\r
-CopyDigestListToBuffer (\r
- IN OUT VOID *Buffer,\r
- IN TPML_DIGEST_VALUES *DigestList\r
- )\r
-{\r
- UINTN Index;\r
- UINT16 DigestSize;\r
-\r
- CopyMem (Buffer, &DigestList->count, sizeof(DigestList->count));\r
- Buffer = (UINT8 *)Buffer + sizeof(DigestList->count);\r
- for (Index = 0; Index < DigestList->count; Index++) {\r
- if (!IsHashAlgSupportedInPcrBank (DigestList->digests[Index].hashAlg)) {\r
- DEBUG ((EFI_D_ERROR, "WARNING: TPM2 Event log has HashAlg unsupported by PCR bank (0x%x)\n", DigestList->digests[Index].hashAlg));\r
- continue;\r
- }\r
- CopyMem (Buffer, &DigestList->digests[Index].hashAlg, sizeof(DigestList->digests[Index].hashAlg));\r
- Buffer = (UINT8 *)Buffer + sizeof(DigestList->digests[Index].hashAlg);\r
- DigestSize = GetHashSizeFromAlgo (DigestList->digests[Index].hashAlg);\r
- CopyMem (Buffer, &DigestList->digests[Index].digest, DigestSize);\r
- Buffer = (UINT8 *)Buffer + DigestSize;\r
- }\r
-\r
- return Buffer;\r
-}\r
-\r
/**\r
Add a new entry to the Event Log.\r
\r
DEBUG ((EFI_D_INFO, " LogFormat - 0x%08x\n", mTcg2EventInfo[Index].LogFormat));\r
switch (mTcg2EventInfo[Index].LogFormat) {\r
case EFI_TCG2_EVENT_LOG_FORMAT_TCG_1_2:\r
- Status = Tpm2GetDigestFromDigestList (TPM_ALG_SHA1, DigestList, &NewEventHdr->Digest);\r
+ Status = GetDigestFromDigestList (TPM_ALG_SHA1, DigestList, &NewEventHdr->Digest);\r
if (!EFI_ERROR (Status)) {\r
//\r
// Enter critical region\r
TcgPcrEvent2.PCRIndex = NewEventHdr->PCRIndex;\r
TcgPcrEvent2.EventType = NewEventHdr->EventType;\r
DigestBuffer = (UINT8 *)&TcgPcrEvent2.Digest;\r
- DigestBuffer = CopyDigestListToBuffer (DigestBuffer, DigestList);\r
+ DigestBuffer = CopyDigestListToBuffer (DigestBuffer, DigestList, mTcgDxeData.BsCap.ActivePcrBanks);\r
CopyMem (DigestBuffer, &NewEventHdr->EventSize, sizeof(NewEventHdr->EventSize));\r
DigestBuffer = DigestBuffer + sizeof(NewEventHdr->EventSize);\r
\r
TCG_PCR_EVENT_HDR NewEventHdr;\r
TPML_DIGEST_VALUES DigestList;\r
\r
- DEBUG ((EFI_D_INFO, "Tcg2HashLogExtendEvent ...\n"));\r
+ DEBUG ((DEBUG_VERBOSE, "Tcg2HashLogExtendEvent ...\n"));\r
\r
if ((This == NULL) || (DataToHash == 0) || (Event == NULL)) {\r
return EFI_INVALID_PARAMETER;\r
Event->Event\r
);\r
}\r
- DEBUG ((EFI_D_INFO, "Tcg2HashLogExtendEvent - %r\n", Status));\r
+ DEBUG ((DEBUG_VERBOSE, "Tcg2HashLogExtendEvent - %r\n", Status));\r
return Status;\r
}\r
\r
return EFI_DEVICE_ERROR;\r
}\r
\r
- if (InputParameterBlockSize >= mTcgDxeData.BsCap.MaxCommandSize) {\r
+ if (InputParameterBlockSize > mTcgDxeData.BsCap.MaxCommandSize) {\r
return EFI_INVALID_PARAMETER;\r
}\r
- if (OutputParameterBlockSize >= mTcgDxeData.BsCap.MaxResponseSize) {\r
+ if (OutputParameterBlockSize > mTcgDxeData.BsCap.MaxResponseSize) {\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
UINT32 DigestListBinSize;\r
UINT32 EventSize;\r
TCG_EfiSpecIDEventStruct *TcgEfiSpecIdEventStruct;\r
- UINT8 TempBuf[sizeof(TCG_EfiSpecIDEventStruct) + (HASH_COUNT * sizeof(TCG_EfiSpecIdEventAlgorithmSize)) + sizeof(UINT8)];\r
+ UINT8 TempBuf[sizeof(TCG_EfiSpecIDEventStruct) + sizeof(UINT32) + (HASH_COUNT * sizeof(TCG_EfiSpecIdEventAlgorithmSize)) + sizeof(UINT8)];\r
TCG_PCR_EVENT_HDR FirstPcrEvent;\r
TCG_EfiSpecIdEventAlgorithmSize *DigestSize;\r
TCG_EfiSpecIdEventAlgorithmSize *TempDigestSize;\r
projects / mirror_edk2.git / blobdiff