src/security/tpm/tpm1_log_serialized.h

   1 /* SPDX-License-Identifier: BSD-3-Clause */
   2
   3 #ifndef __TPM1_LOG_SERIALIZED_H__
   4 #define __TPM1_LOG_SERIALIZED_H__
   5
   6 #include <commonlib/bsd/helpers.h>
   7 #include <commonlib/bsd/tpm_log_defs.h>
   8 #include <stdint.h>
   9
  10 #define TPM_1_LOG_DIGEST_MAX_LENGTH 20
  11 #define TPM_1_LOG_DATA_MAX_LENGTH 50
  12
  13 #define TPM_1_LOG_VI_MAGIC 0x31544243 /* "CBT1" in LE */
  14 #define TPM_1_LOG_VI_MAJOR 1
  15 #define TPM_1_LOG_VI_MINOR 0
  16
  17 struct tpm_1_log_entry {
  18         uint32_t pcr;
  19         uint32_t event_type;
  20         uint8_t digest[TPM_1_LOG_DIGEST_MAX_LENGTH];
  21         uint32_t data_length;
  22         uint8_t data[TPM_1_LOG_DATA_MAX_LENGTH];
  23 } __packed;
  24
  25 struct tpm_1_vendor {
  26         uint8_t reserved;
  27         uint8_t version_major;
  28         uint8_t version_minor;
  29         uint32_t magic;
  30         uint16_t max_entries;
  31         uint16_t num_entries;
  32         uint32_t entry_size;
  33 } __packed;
  34
  35 struct tpm_1_log_table {
  36         /* The first entry of the log is inlined and describes the log itself */
  37         uint32_t pcr;
  38         uint32_t event_type;
  39         uint8_t digest[TPM_1_LOG_DIGEST_MAX_LENGTH];
  40         uint32_t spec_id_size;
  41         struct spec_id_event_data spec_id;
  42         struct tpm_1_vendor vendor;
  43
  44         struct tpm_1_log_entry entries[]; /* Variable number of entries */
  45 } __packed;
  46
  47 #endif