Vadim Bendebury | 5679752 | 2015-05-20 10:32:25 -0700 | [diff] [blame] | 1 | // This file was extracted from the TCG Published |
| 2 | // Trusted Platform Module Library |
| 3 | // Part 4: Supporting Routines |
| 4 | // Family "2.0" |
| 5 | // Level 00 Revision 01.16 |
| 6 | // October 30, 2014 |
| 7 | |
| 8 | #define MANUFACTURE_C |
| 9 | #include "InternalRoutines.h" |
| 10 | #include "Global.h" |
| 11 | // |
| 12 | // |
| 13 | // Functions |
| 14 | // |
| 15 | // TPM_Manufacture() |
| 16 | // |
| 17 | // This function initializes the TPM values in preparation for the TPM's first use. This function will fail if |
| 18 | // previously called. The TPM can be re-manufactured by calling TPM_Teardown() first and then calling this |
| 19 | // function again. |
| 20 | // |
| 21 | // Return Value Meaning |
| 22 | // |
| 23 | // 0 success |
| 24 | // 1 manufacturing process previously performed |
| 25 | // |
| 26 | LIB_EXPORT int |
| 27 | TPM_Manufacture( |
| 28 | BOOL firstTime // IN: indicates if this is the first call from |
| 29 | // main() |
| 30 | ) |
| 31 | { |
| 32 | TPM_SU orderlyShutdown; |
| 33 | UINT64 totalResetCount = 0; |
| 34 | // If TPM has been manufactured, return indication. |
| 35 | if(!firstTime && g_manufactured) |
| 36 | return 1; |
| 37 | // initialize crypto units |
| 38 | //CryptInitUnits(); |
| 39 | // |
| 40 | s_selfHealTimer = 0; |
| 41 | s_lockoutTimer = 0; |
| 42 | s_DAPendingOnNV = FALSE; |
| 43 | // initialize NV |
| 44 | NvInit(); |
| 45 | #ifdef _DRBG_STATE_SAVE |
| 46 | // Initialize the drbg. This needs to come before the install |
| 47 | // of the hierarchies |
| 48 | if(!_cpri__Startup()) // Have to start the crypto units first |
| 49 | FAIL(FATAL_ERROR_INTERNAL); |
| 50 | _cpri__DrbgGetPutState(PUT_STATE, 0, NULL); |
| 51 | #endif |
| 52 | // default configuration for PCR |
| 53 | PCRSimStart(); |
| 54 | // initialize pre-installed hierarchy data |
| 55 | // This should happen after NV is initialized because hierarchy data is |
| 56 | // stored in NV. |
| 57 | HierarchyPreInstall_Init(); |
| 58 | // initialize dictionary attack parameters |
| 59 | DAPreInstall_Init(); |
| 60 | // initialize PP list |
| 61 | PhysicalPresencePreInstall_Init(); |
| 62 | // initialize command audit list |
| 63 | CommandAuditPreInstall_Init(); |
| 64 | // first start up is required to be Startup(CLEAR) |
| 65 | orderlyShutdown = TPM_SU_CLEAR; |
| 66 | NvWriteReserved(NV_ORDERLY, &orderlyShutdown); |
| 67 | // initialize the firmware version |
| 68 | gp.firmwareV1 = FIRMWARE_V1; |
| 69 | #ifdef FIRMWARE_V2 |
| 70 | gp.firmwareV2 = FIRMWARE_V2; |
| 71 | #else |
| 72 | gp.firmwareV2 = 0; |
| 73 | #endif |
| 74 | NvWriteReserved(NV_FIRMWARE_V1, &gp.firmwareV1); |
| 75 | NvWriteReserved(NV_FIRMWARE_V2, &gp.firmwareV2); |
| 76 | // initialize the total reset counter to 0 |
| 77 | NvWriteReserved(NV_TOTAL_RESET_COUNT, &totalResetCount); |
| 78 | // initialize the clock stuff |
| 79 | go.clock = 0; |
| 80 | go.clockSafe = YES; |
| 81 | #ifdef _DRBG_STATE_SAVE |
| 82 | // initialize the current DRBG state in NV |
| 83 | _cpri__DrbgGetPutState(GET_STATE, sizeof(go.drbgState), (BYTE *)&go.drbgState); |
| 84 | #endif |
| 85 | NvWriteReserved(NV_ORDERLY_DATA, &go); |
| 86 | // Commit NV writes. Manufacture process is an artificial process existing |
| 87 | // only in simulator environment and it is not defined in the specification |
| 88 | // that what should be the expected behavior if the NV write fails at this |
| 89 | // point. Therefore, it is assumed the NV write here is always success and |
| 90 | // no return code of this function is checked. |
| 91 | NvCommit(); |
| 92 | g_manufactured = TRUE; |
| 93 | return 0; |
| 94 | } |
| 95 | // |
| 96 | // |
| 97 | // TPM_TearDown() |
| 98 | // |
| 99 | // This function prepares the TPM for re-manufacture. It should not be implemented in anything other than a |
| 100 | // simulated TPM. |
| 101 | // In this implementation, all that is needs is to stop the cryptographic units and set a flag to indicate that the |
| 102 | // TPM can be re-manufactured. This should be all that is necessary to start the manufacturing process |
| 103 | // again. |
| 104 | // |
| 105 | // Return Value Meaning |
| 106 | // |
| 107 | // 0 success |
| 108 | // 1 TPM not previously manufactured |
| 109 | // |
| 110 | LIB_EXPORT int |
| 111 | TPM_TearDown( |
| 112 | void |
| 113 | ) |
| 114 | { |
| 115 | // stop crypt units |
| 116 | CryptStopUnits(); |
| 117 | g_manufactured = FALSE; |
| 118 | return 0; |
| 119 | } |