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59d947ac24
In theory, these should always match the reported PCRx values from the TPM. If the reconstructed event log checksum does not match the TPM value then something is either implemented wrongly, or something bad has happened.
62 lines
1.9 KiB
C
62 lines
1.9 KiB
C
/*
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* Copyright (C) 2019 Richard Hughes <richard@hughsie.com>
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*
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* SPDX-License-Identifier: LGPL-2.1+
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*/
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#pragma once
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#include <gio/gio.h>
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#include <tss2/tss2_tpm2_types.h>
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#include "fu-plugin.h"
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typedef enum {
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EV_PREBOOT_CERT = 0x00000000,
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EV_POST_CODE = 0x00000001,
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EV_NO_ACTION = 0x00000003,
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EV_SEPARATOR = 0x00000004,
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EV_ACTION = 0x00000005,
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EV_EVENT_TAG = 0x00000006,
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EV_S_CRTM_CONTENTS = 0x00000007,
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EV_S_CRTM_VERSION = 0x00000008,
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EV_CPU_MICROCODE = 0x00000009,
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EV_PLATFORM_CONFIG_FLAGS = 0x0000000a,
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EV_TABLE_OF_DEVICES = 0x0000000b,
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EV_COMPACT_HASH = 0x0000000c,
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EV_NONHOST_CODE = 0x0000000f,
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EV_NONHOST_CONFIG = 0x00000010,
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EV_NONHOST_INFO = 0x00000011,
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EV_OMIT_BOOT_DEVICE_EVENTS = 0x00000012,
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EV_EFI_EVENT_BASE = 0x80000000,
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EV_EFI_VARIABLE_DRIVER_CONFIG = 0x80000001,
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EV_EFI_VARIABLE_BOOT = 0x80000002,
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EV_EFI_BOOT_SERVICES_APPLICATION = 0x80000003,
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EV_EFI_BOOT_SERVICES_DRIVER = 0x80000004,
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EV_EFI_RUNTIME_SERVICES_DRIVER = 0x80000005,
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EV_EFI_GPT_EVENT = 0x80000006,
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EV_EFI_ACTION = 0x80000007,
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EV_EFI_PLATFORM_FIRMWARE_BLOB = 0x80000008,
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EV_EFI_HANDOFF_TABLES = 0x80000009,
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EV_EFI_HCRTM_EVENT = 0x80000010,
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EV_EFI_VARIABLE_AUTHORITY = 0x800000e0
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} FuTpmEventlogItemKind;
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typedef struct {
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guint8 pcr;
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FuTpmEventlogItemKind kind;
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GBytes *checksum_sha1;
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GBytes *checksum_sha256;
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GBytes *blob;
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} FuTpmEventlogItem;
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const gchar *fu_tpm_eventlog_pcr_to_string (gint pcr);
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const gchar *fu_tpm_eventlog_hash_to_string (TPM2_ALG_ID hash_kind);
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guint32 fu_tpm_eventlog_hash_get_size (TPM2_ALG_ID hash_kind);
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const gchar *fu_tpm_eventlog_item_kind_to_string (FuTpmEventlogItemKind event_type);
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gchar *fu_tpm_eventlog_strhex (GBytes *blob);
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gchar *fu_tpm_eventlog_blobstr (GBytes *blob);
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GPtrArray *fu_tpm_eventlog_calc_checksums (GPtrArray *items,
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guint8 pcr,
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GError **error);
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