sravan/system76-coreboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

security/tpm: add TPM log format as per 2.0 spec

Browse Source 
Used by default for all boards with TPM2 which don't specify log
format explicitly.

Change-Id: I0fac386bebab1b7104378ae3424957c6497e84e1
Ticket: https://ticket.coreboot.org/issues/422
Ticket: https://ticket.coreboot.org/issues/423
Signed-off-by: Michał Żygowski <michal.zygowski@3mdeb.com>
Signed-off-by: Sergii Dmytruk <sergii.dmytruk@3mdeb.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68748
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
This commit is contained in:
Sergii Dmytruk
2022-10-23 00:47:55 +03:00
committed by Felix Held
parent 4191dbf0c9
commit 53db677586
8 changed files with 410 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
src/commonlib/bsd/include/commonlib/bsd/tpm_log_defs.h
View File

@@ -9,6 +9,21 @@
#define TCPA_SPEC_ID_EVENT_SIGNATURE "Spec ID Event00"
#define TCG_EFI_SPEC_ID_EVENT_SIGNATURE "Spec ID Event03"
#define TPM2_ALG_ERROR 0x0000
#define TPM2_ALG_HMAC 0x0005
#define TPM2_ALG_NULL 0x0010
#define TPM2_ALG_SHA1 0x0004
#define TPM2_ALG_SHA256 0x000B
#define TPM2_ALG_SHA384 0x000C
#define TPM2_ALG_SHA512 0x000D
#define TPM2_ALG_SM3_256 0x0012
#define SHA1_DIGEST_SIZE 20
#define SHA256_DIGEST_SIZE 32
#define SHA384_DIGEST_SIZE 48
#define SHA512_DIGEST_SIZE 64
#define SM3_256_DIGEST_SIZE 32
#define EV_PREBOOT_CERT 0x00000000
#define EV_POST_CODE 0x00000001
#define EV_UNUSED 0x00000002
@@ -39,4 +54,26 @@ struct spec_id_event_data {
uint8_t vendor_info_size;
} __packed;
struct tpm_digest_sizes {
uint16_t alg_id;
uint16_t digest_size;
} __packed;
struct tcg_efi_spec_id_event {
uint32_t pcr_index;
uint32_t event_type;
uint8_t digest[20];
uint32_t event_size;
uint8_t signature[16];
uint32_t platform_class;
uint8_t spec_version_minor;
uint8_t spec_version_major;
uint8_t spec_errata;
uint8_t uintn_size;
uint32_t num_of_algorithms;
struct tpm_digest_sizes digest_sizes[0]; /* variable number of members */
/* uint8_t vendor_info_size; */
/* uint8_t vendor_info[vendor_info_size]; */
} __packed;
#endif