123 lines
4 KiB
C
123 lines
4 KiB
C
// This file was extracted from the TCG Published
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// Trusted Platform Module Library
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// Part 4: Supporting Routines
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// Family "2.0"
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// Level 00 Revision 01.16
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// October 30, 2014
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#define MANUFACTURE_C
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#include "InternalRoutines.h"
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#include "Global.h"
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//
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//
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// Functions
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//
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// TPM_Manufacture()
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//
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// This function initializes the TPM values in preparation for the TPM's first use. This function will fail if
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// previously called. The TPM can be re-manufactured by calling TPM_Teardown() first and then calling this
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// function again.
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//
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// Return Value Meaning
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//
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// 0 success
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// 1 manufacturing process previously performed
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//
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LIB_EXPORT int
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TPM_Manufacture(
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BOOL firstTime // IN: indicates if this is the first call from
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// main()
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)
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{
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TPM_SU orderlyShutdown;
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UINT64 totalResetCount = 0;
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// If TPM has been manufactured, return indication.
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if(!firstTime && g_manufactured)
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return 1;
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// initialize crypto units
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//CryptInitUnits();
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//
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s_selfHealTimer = 0;
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s_lockoutTimer = 0;
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s_DAPendingOnNV = FALSE;
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// initialize NV
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NvInit();
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#ifdef _DRBG_STATE_SAVE
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// Initialize the drbg. This needs to come before the install
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// of the hierarchies
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if(!_cpri__Startup()) // Have to start the crypto units first
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FAIL(FATAL_ERROR_INTERNAL);
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_cpri__DrbgGetPutState(PUT_STATE, 0, NULL);
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#endif
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// default configuration for PCR
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PCRSimStart();
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// initialize pre-installed hierarchy data
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// This should happen after NV is initialized because hierarchy data is
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// stored in NV.
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HierarchyPreInstall_Init();
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// initialize dictionary attack parameters
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DAPreInstall_Init();
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// initialize PP list
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PhysicalPresencePreInstall_Init();
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// initialize command audit list
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CommandAuditPreInstall_Init();
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// first start up is required to be Startup(CLEAR)
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orderlyShutdown = TPM_SU_CLEAR;
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NvWriteReserved(NV_ORDERLY, &orderlyShutdown);
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// initialize the firmware version
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#ifdef EMBEDDED_MODE
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_plat__GetFwVersion(&gp.firmwareV1, &gp.firmwareV2);
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#else
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gp.firmwareV1 = FIRMWARE_V1;
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#ifdef FIRMWARE_V2
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gp.firmwareV2 = FIRMWARE_V2;
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#else
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gp.firmwareV2 = 0;
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#endif
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NvWriteReserved(NV_FIRMWARE_V1, &gp.firmwareV1);
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NvWriteReserved(NV_FIRMWARE_V2, &gp.firmwareV2);
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#endif
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// initialize the total reset counter to 0
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NvWriteReserved(NV_TOTAL_RESET_COUNT, &totalResetCount);
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// initialize the clock stuff
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go.clock = 0;
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go.clockSafe = YES;
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#ifdef _DRBG_STATE_SAVE
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// initialize the current DRBG state in NV
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_cpri__DrbgGetPutState(GET_STATE, sizeof(go.drbgState), (BYTE *)&go.drbgState);
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#endif
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NvWriteReserved(NV_ORDERLY_DATA, &go);
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// Commit NV writes. Manufacture process is an artificial process existing
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// only in simulator environment and it is not defined in the specification
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// that what should be the expected behavior if the NV write fails at this
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// point. Therefore, it is assumed the NV write here is always success and
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// no return code of this function is checked.
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NvCommit();
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g_manufactured = TRUE;
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return 0;
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}
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//
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//
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// TPM_TearDown()
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//
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// This function prepares the TPM for re-manufacture. It should not be implemented in anything other than a
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// simulated TPM.
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// In this implementation, all that is needs is to stop the cryptographic units and set a flag to indicate that the
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// TPM can be re-manufactured. This should be all that is necessary to start the manufacturing process
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// again.
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//
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// Return Value Meaning
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//
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// 0 success
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// 1 TPM not previously manufactured
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//
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LIB_EXPORT int
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TPM_TearDown(
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void
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)
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{
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// stop crypt units
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CryptStopUnits();
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g_manufactured = FALSE;
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return 0;
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}
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