common/dbus_interface.proto

option optimize_for = LITE_RUNTIME;
package tpm_manager;

// The messages in this file correspond to the TpmManager D-Bus interface.

enum TpmManagerStatus {
  STATUS_SUCCESS = 0;
  STATUS_NOT_AVAILABLE = 1;
}

// Input for the GetTpmStatus method
message GetTpmStatusRequest {
}

// Output from the GetTpmStatus method
message GetTpmStatusReply {
  optional TpmManagerStatus status = 1;

  // Whether a TPM is enabled on the system.
  optional bool enabled = 2;
  // Whether the TPM has been owned.
  optional bool owned = 3;
  // Whether the TPM initialization flow has completed. This includes taking
  // ownership, preparing attestation data, and finalizing lockbox NVRAM.
  optional bool initialized = 4;
  // The TPM owner password. This is only available when (owned &&
  // !initialized) and sometimes not even then.
  optional string owner_password = 5;
  // Whether attestation data has been prepared. This includes reading the
  // endorsement certificate out of NVRAM and generating an identity key. This
  // does not include any kind of enrollment with a Privacy CA.
  optional bool attestation_prepared = 6;
  // Whether the device has enrolled with a Privacy CA. This means the identity
  // key has been successfully certified.
  optional bool attestation_enrolled = 7;
  // The current dictionary attack counter value.
  optional int32 dictionary_attack_counter = 8;
  // The current dictionary attack counter threshold.
  optional int32 dictionary_attack_threshold = 9;
  // Whether the TPM is in some form of dictionary attack lockout.
  optional bool dictionary_attack_lockout_in_effect = 10;
  // The number of seconds remaining in the lockout.
  optional int32 dictionary_attack_lockout_seconds_remaining = 11;
  // Whether the install lockbox has been finalized.
  optional bool install_lockbox_finalized = 12;
  // Whether the boot lockbox has been finalized.
  optional bool boot_lockbox_finalized = 13;
  // Whether the current PCR values show a verified boot.
  optional bool verified_boot_measured = 14;
}