From 53db677586e3e7c4a874f1ef16f34a6d01c269a0 Mon Sep 17 00:00:00 2001 From: Sergii Dmytruk Date: Sun, 23 Oct 2022 00:47:55 +0300 Subject: security/tpm: add TPM log format as per 2.0 spec MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Signed-off-by: Sergii Dmytruk Reviewed-on: https://review.coreboot.org/c/coreboot/+/68748 Tested-by: build bot (Jenkins) Reviewed-by: Julius Werner --- .../bsd/include/commonlib/bsd/tpm_log_defs.h | 37 ++++++++++++++++++++++ 1 file changed, 37 insertions(+) (limited to 'src/commonlib/bsd/include') diff --git a/src/commonlib/bsd/include/commonlib/bsd/tpm_log_defs.h b/src/commonlib/bsd/include/commonlib/bsd/tpm_log_defs.h index a45a212746..144d55a331 100644 --- a/src/commonlib/bsd/include/commonlib/bsd/tpm_log_defs.h +++ b/src/commonlib/bsd/include/commonlib/bsd/tpm_log_defs.h @@ -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 -- cgit v1.2.3