diff options
Diffstat (limited to 'src/security/tpm/tss/tcg-2.0/tss_structures.h')
| -rw-r--r-- | src/security/tpm/tss/tcg-2.0/tss_structures.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/security/tpm/tss/tcg-2.0/tss_structures.h b/src/security/tpm/tss/tcg-2.0/tss_structures.h index 991cbcf502..7332739582 100644 --- a/src/security/tpm/tss/tcg-2.0/tss_structures.h +++ b/src/security/tpm/tss/tcg-2.0/tss_structures.h @@ -22,6 +22,8 @@ #define TPM2_RC_SUCCESS 0 #define TPM2_RC_NV_DEFINED 0x14c +#define HASH_COUNT 2 /* SHA-1 and SHA-256 are supported */ + /* Basic TPM2 types. */ typedef uint16_t TPM_SU; typedef uint16_t TPM_ALG_ID; @@ -144,7 +146,9 @@ struct tpm2_shutdown { }; /* Various TPM capability types to use when querying the device. */ +/* Table 21 - TPM_CAP Constants */ typedef uint32_t TPM_CAP; +#define TPM_CAP_PCRS ((TPM_CAP)0x00000005) #define TPM_CAP_TPM_PROPERTIES ((TPM_CAP)0x00000006) typedef TPM_HANDLE TPMI_RH_NV_AUTH; @@ -224,9 +228,29 @@ typedef struct { sizeof(TPMI_YES_NO) - sizeof(TPM_CAP) - sizeof(uint32_t)) #define MAX_TPM_PROPERTIES (MAX_CAP_DATA/sizeof(TPMS_TAGGED_PROPERTY)) +#define IMPLEMENTATION_PCR 24 +#define PLATFORM_PCR 24 + +#define PCR_SELECT_MIN (ALIGN_UP(PLATFORM_PCR, 8)/8) +#define PCR_SELECT_MAX (ALIGN_UP(IMPLEMENTATION_PCR, 8)/8) + /* Somewhat arbitrary, leave enough room for command wrappers. */ #define MAX_NV_BUFFER_SIZE (TPM_BUFFER_SIZE - sizeof(struct tpm_header) - 50) +/* Table 81 - TPMS_PCR_SELECTION Structure */ +typedef struct { + TPMI_ALG_HASH hash; + uint8_t sizeofSelect; + uint8_t pcrSelect[PCR_SELECT_MAX]; +} __packed TPMS_PCR_SELECTION; + +/* Table 98 - TPML_PCR_SELECTION Structure */ +typedef struct { + uint32_t count; + TPMS_PCR_SELECTION pcrSelections[HASH_COUNT]; +} __packed TPML_PCR_SELECTION; + +/* Table 100 - TPML_TAGGED_TPM_PROPERTY Structure */ typedef struct { uint32_t count; TPMS_TAGGED_PROPERTY tpmProperty[MAX_TPM_PROPERTIES]; @@ -234,6 +258,7 @@ typedef struct { typedef union { TPML_TAGGED_TPM_PROPERTY tpmProperties; + TPML_PCR_SELECTION assignedPCR; } TPMU_CAPABILITIES; typedef struct { |