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trezor-firmware/common/protob/messages-management.proto

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15 KiB
Protocol Buffer

syntax = "proto2";
package hw.trezor.messages.management;
// Sugar for easier handling in Java
option java_package = "com.satoshilabs.trezor.lib.protobuf";
option java_outer_classname = "TrezorMessageManagement";
option (include_in_bitcoin_only) = true;
import "messages.proto";
/**
* Type of the mnemonic backup given/received by the device during reset/recovery.
*/
enum BackupType {
Bip39 = 0; // also called "Single Backup", see BIP-0039
Slip39_Basic = 1; // also called "Shamir Backup", see SLIP-0039
Slip39_Advanced = 2; // also called "Super Shamir" or "Shamir with Groups", see SLIP-0039#two-level-scheme
}
/**
* Level of safety checks for unsafe actions like spending from invalid path namespace or setting high transaction fee.
*/
enum SafetyCheckLevel {
Strict = 0; // disallow unsafe actions, this is the default
PromptAlways = 1; // ask user before unsafe action
PromptTemporarily = 2; // like PromptAlways but reverts to Strict after reboot
}
/**
* Request: Reset device to default state and ask for device details
* @start
* @next Features
*/
message Initialize {
optional bytes session_id = 1; // assumed device session id; Trezor clears caches if it is different or empty
optional bool _skip_passphrase = 2 [deprecated=true]; // removed as part of passphrase redesign
optional bool derive_cardano = 3; // whether to derive Cardano Icarus root keys in this session
}
/**
* Request: Ask for device details (no device reset)
* @start
* @next Features
*/
message GetFeatures {
}
/**
* Response: Reports various information about the device
* @end
*/
message Features {
optional string vendor = 1; // name of the manufacturer, e.g. "trezor.io"
required uint32 major_version = 2; // major version of the firmware/bootloader, e.g. 1
required uint32 minor_version = 3; // minor version of the firmware/bootloader, e.g. 0
required uint32 patch_version = 4; // patch version of the firmware/bootloader, e.g. 0
optional bool bootloader_mode = 5; // is device in bootloader mode?
optional string device_id = 6; // device's unique identifier
optional bool pin_protection = 7; // is device protected by PIN?
optional bool passphrase_protection = 8; // is node/mnemonic encrypted using passphrase?
optional string language = 9; // device language
optional string label = 10; // device description label
optional bool initialized = 12; // does device contain seed?
optional bytes revision = 13; // SCM revision of firmware
optional bytes bootloader_hash = 14; // hash of the bootloader
optional bool imported = 15; // was storage imported from an external source?
optional bool unlocked = 16; // is the device unlocked? called "pin_cached" previously
optional bool _passphrase_cached = 17 [deprecated=true]; // is passphrase already cached in session?
optional bool firmware_present = 18; // is valid firmware loaded?
optional bool needs_backup = 19; // does storage need backup? (equals to Storage.needs_backup)
optional uint32 flags = 20; // device flags (equals to Storage.flags)
optional string model = 21; // device hardware model
optional uint32 fw_major = 22; // reported firmware version if in bootloader mode
optional uint32 fw_minor = 23; // reported firmware version if in bootloader mode
optional uint32 fw_patch = 24; // reported firmware version if in bootloader mode
optional string fw_vendor = 25; // reported firmware vendor if in bootloader mode
// optional bytes fw_vendor_keys = 26; // obsoleted, use fw_vendor
optional bool unfinished_backup = 27; // report unfinished backup (equals to Storage.unfinished_backup)
optional bool no_backup = 28; // report no backup (equals to Storage.no_backup)
optional bool recovery_mode = 29; // is recovery mode in progress
repeated Capability capabilities = 30; // list of supported capabilities
enum Capability {
option (has_bitcoin_only_values) = true;
Capability_Bitcoin = 1 [(bitcoin_only) = true];
Capability_Bitcoin_like = 2; // Altcoins based on the Bitcoin source code
Capability_Binance = 3;
Capability_Cardano = 4;
Capability_Crypto = 5 [(bitcoin_only) = true]; // generic crypto operations for GPG, SSH, etc.
Capability_EOS = 6;
Capability_Ethereum = 7;
Capability_Lisk = 8 [deprecated = true];
Capability_Monero = 9;
Capability_NEM = 10;
Capability_Ripple = 11;
Capability_Stellar = 12;
Capability_Tezos = 13;
Capability_U2F = 14;
Capability_Shamir = 15 [(bitcoin_only) = true];
Capability_ShamirGroups = 16 [(bitcoin_only) = true];
Capability_PassphraseEntry = 17 [(bitcoin_only) = true]; // the device is capable of passphrase entry directly on the device
}
optional BackupType backup_type = 31; // type of device backup (BIP-39 / SLIP-39 basic / SLIP-39 advanced)
optional bool sd_card_present = 32; // is SD card present
optional bool sd_protection = 33; // is SD Protect enabled
optional bool wipe_code_protection = 34; // is wipe code protection enabled
optional bytes session_id = 35;
optional bool passphrase_always_on_device = 36; // device enforces passphrase entry on Trezor
optional SafetyCheckLevel safety_checks = 37; // safety check level, set to Prompt to limit path namespace enforcement
optional uint32 auto_lock_delay_ms = 38; // number of milliseconds after which the device locks itself
optional uint32 display_rotation = 39; // in degrees from North
optional bool experimental_features = 40; // are experimental message types enabled?
}
/**
* Request: soft-lock the device. Following actions will require PIN. Passphrases remain cached.
* @start
* @next Success
*/
message LockDevice {
}
/**
* Request: end the current sesson. Following actions must call Initialize again.
* Cache for the current session is discarded, other sessions remain intact.
* Device is not PIN-locked.
* @start
* @next Success
*/
message EndSession {
}
/**
* Request: change language and/or label of the device
* @start
* @next Success
* @next Failure
*/
message ApplySettings {
optional string language = 1;
optional string label = 2;
optional bool use_passphrase = 3;
optional bytes homescreen = 4;
optional uint32 _passphrase_source = 5 [deprecated=true]; // ASK = 0; DEVICE = 1; HOST = 2;
optional uint32 auto_lock_delay_ms = 6;
optional uint32 display_rotation = 7; // in degrees from North
optional bool passphrase_always_on_device = 8; // do not prompt for passphrase, enforce device entry
optional SafetyCheckLevel safety_checks = 9; // Safety check level, set to Prompt to limit path namespace enforcement
optional bool experimental_features = 10; // enable experimental message types
}
/**
* Request: set flags of the device
* @start
* @next Success
* @next Failure
*/
message ApplyFlags {
required uint32 flags = 1; // bitmask, can only set bits, not unset
}
/**
* Request: Starts workflow for setting/changing/removing the PIN
* @start
* @next Success
* @next Failure
*/
message ChangePin {
optional bool remove = 1; // is PIN removal requested?
}
/**
* Request: Starts workflow for setting/removing the wipe code
* @start
* @next Success
* @next Failure
*/
message ChangeWipeCode {
optional bool remove = 1; // is wipe code removal requested?
}
/**
* Request: Starts workflow for enabling/regenerating/disabling SD card protection
* @start
* @next Success
* @next Failure
*/
message SdProtect {
required SdProtectOperationType operation = 1;
/**
* Structure representing SD card protection operation
*/
enum SdProtectOperationType {
DISABLE = 0;
ENABLE = 1;
REFRESH = 2;
}
}
/**
* Request: Test if the device is alive, device sends back the message in Success response
* @start
* @next Success
*/
message Ping {
optional string message = 1 [default=""]; // message to send back in Success message
optional bool button_protection = 2; // ask for button press
}
/**
* Request: Abort last operation that required user interaction
* @start
* @next Failure
*/
message Cancel {
}
/**
* Request: Request a sample of random data generated by hardware RNG. May be used for testing.
* @start
* @next Entropy
* @next Failure
*/
message GetEntropy {
required uint32 size = 1; // size of requested entropy
}
/**
* Response: Reply with random data generated by internal RNG
* @end
*/
message Entropy {
required bytes entropy = 1; // chunk of random generated bytes
}
/**
* Request: Request device to wipe all sensitive data and settings
* @start
* @next Success
* @next Failure
*/
message WipeDevice {
}
/**
* Request: Load seed and related internal settings from the computer
* @start
* @next Success
* @next Failure
*/
message LoadDevice {
repeated string mnemonics = 1; // seed encoded as mnemonic (12, 18 or 24 words for BIP39, 20 or 33 for SLIP39)
optional string pin = 3; // set PIN protection
optional bool passphrase_protection = 4; // enable master node encryption using passphrase
optional string language = 5 [default='en-US']; // device language (IETF BCP 47 language tag)
optional string label = 6; // device label
optional bool skip_checksum = 7; // do not test mnemonic for valid BIP-39 checksum
optional uint32 u2f_counter = 8; // U2F counter
optional bool needs_backup = 9; // set "needs backup" flag
optional bool no_backup = 10; // indicate that no backup is going to be made
}
/**
* Request: Ask device to do initialization involving user interaction
* @start
* @next EntropyRequest
* @next Failure
*/
message ResetDevice {
optional bool display_random = 1; // display entropy generated by the device before asking for additional entropy
optional uint32 strength = 2 [default=256]; // strength of seed in bits
optional bool passphrase_protection = 3; // enable master node encryption using passphrase
optional bool pin_protection = 4; // enable PIN protection
optional string language = 5 [default='en-US']; // device language (IETF BCP 47 language tag)
optional string label = 6; // device label
optional uint32 u2f_counter = 7; // U2F counter
optional bool skip_backup = 8; // postpone seed backup to BackupDevice workflow
optional bool no_backup = 9; // indicate that no backup is going to be made
optional BackupType backup_type = 10 [default=Bip39]; // type of the mnemonic backup
}
/**
* Request: Perform backup of the device seed if not backed up using ResetDevice
* @start
* @next Success
*/
message BackupDevice {
}
/**
* Response: Ask for additional entropy from host computer
* @next EntropyAck
*/
message EntropyRequest {
}
/**
* Request: Provide additional entropy for seed generation function
* @next Success
*/
message EntropyAck {
required bytes entropy = 1; // 256 bits (32 bytes) of random data
}
/**
* Request: Start recovery workflow asking user for specific words of mnemonic
* Used to recovery device safely even on untrusted computer.
* @start
* @next WordRequest
*/
message RecoveryDevice {
optional uint32 word_count = 1; // number of words in BIP-39 mnemonic
optional bool passphrase_protection = 2; // enable master node encryption using passphrase
optional bool pin_protection = 3; // enable PIN protection
optional string language = 4; // device language (IETF BCP 47 language tag)
optional string label = 5; // device label
optional bool enforce_wordlist = 6; // enforce BIP-39 wordlist during the process
// 7 reserved for unused recovery method
optional RecoveryDeviceType type = 8; // supported recovery type
optional uint32 u2f_counter = 9; // U2F counter
optional bool dry_run = 10; // perform dry-run recovery workflow (for safe mnemonic validation)
/**
* Type of recovery procedure. These should be used as bitmask, e.g.,
* `RecoveryDeviceType_ScrambledWords | RecoveryDeviceType_Matrix`
* listing every method supported by the host computer.
*
* Note that ScrambledWords must be supported by every implementation
* for backward compatibility; there is no way to not support it.
*/
enum RecoveryDeviceType {
// use powers of two when extending this field
RecoveryDeviceType_ScrambledWords = 0; // words in scrambled order
RecoveryDeviceType_Matrix = 1; // matrix recovery type
}
}
/**
* Response: Device is waiting for user to enter word of the mnemonic
* Its position is shown only on device's internal display.
* @next WordAck
*/
message WordRequest {
required WordRequestType type = 1;
/**
* Type of Recovery Word request
*/
enum WordRequestType {
WordRequestType_Plain = 0;
WordRequestType_Matrix9 = 1;
WordRequestType_Matrix6 = 2;
}
}
/**
* Request: Computer replies with word from the mnemonic
* @next WordRequest
* @next Success
* @next Failure
*/
message WordAck {
required string word = 1; // one word of mnemonic on asked position
}
/**
* Request: Set U2F counter
* @start
* @next Success
*/
message SetU2FCounter {
required uint32 u2f_counter = 1;
}
/**
* Request: Set U2F counter
* @start
* @next NextU2FCounter
*/
message GetNextU2FCounter {
}
/**
* Request: Set U2F counter
* @end
*/
message NextU2FCounter {
required uint32 u2f_counter = 1;
}
/**
* Request: Ask device to prepare for a preauthorized operation.
* @start
* @next PreauthorizedRequest
* @next Failure
*/
message DoPreauthorized {
}
/**
* Request: Device awaits a preauthorized operation.
* @start
* @next SignTx
* @next GetOwnershipProof
*/
message PreauthorizedRequest {
}
/**
* Request: Cancel any outstanding authorization in the current session.
* @start
* @next Success
* @next Failure
*/
message CancelAuthorization {
}
/**
* Request: Reboot firmware to bootloader
* @start
* @next Success
*/
message RebootToBootloader {
}
/**
* Request: Ask device to generate a random nonce and store it in the session's cache
* @start
* @next Nonce
*/
message GetNonce {
option (unstable) = true;
}
/**
* Response: Contains a random nonce
* @end
*/
message Nonce {
option (unstable) = true;
required bytes nonce = 1; // a 32-byte random value generated by Trezor
}