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483 lines
16 KiB
483 lines
16 KiB
syntax = "proto2";
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package hw.trezor.messages.management;
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// Sugar for easier handling in Java
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option java_package = "com.satoshilabs.trezor.lib.protobuf";
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option java_outer_classname = "TrezorMessageManagement";
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option (include_in_bitcoin_only) = true;
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import "messages.proto";
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/**
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* Type of the mnemonic backup given/received by the device during reset/recovery.
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*/
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enum BackupType {
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Bip39 = 0; // also called "Single Backup", see BIP-0039
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Slip39_Basic = 1; // also called "Shamir Backup", see SLIP-0039
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Slip39_Advanced = 2; // also called "Super Shamir" or "Shamir with Groups", see SLIP-0039#two-level-scheme
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}
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/**
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* Level of safety checks for unsafe actions like spending from invalid path namespace or setting high transaction fee.
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*/
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enum SafetyCheckLevel {
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Strict = 0; // disallow unsafe actions, this is the default
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PromptAlways = 1; // ask user before unsafe action
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PromptTemporarily = 2; // like PromptAlways but reverts to Strict after reboot
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}
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/**
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* Request: Reset device to default state and ask for device details
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* @start
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* @next Features
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*/
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message Initialize {
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optional bytes session_id = 1; // assumed device session id; Trezor clears caches if it is different or empty
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optional bool _skip_passphrase = 2 [deprecated=true]; // removed as part of passphrase redesign
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optional bool derive_cardano = 3; // whether to derive Cardano Icarus root keys in this session
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}
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/**
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* Request: Ask for device details (no device reset)
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* @start
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* @next Features
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*/
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message GetFeatures {
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}
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/**
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* Response: Reports various information about the device
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* @end
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*/
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message Features {
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optional string vendor = 1; // name of the manufacturer, e.g. "trezor.io"
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required uint32 major_version = 2; // major version of the firmware/bootloader, e.g. 1
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required uint32 minor_version = 3; // minor version of the firmware/bootloader, e.g. 0
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required uint32 patch_version = 4; // patch version of the firmware/bootloader, e.g. 0
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optional bool bootloader_mode = 5; // is device in bootloader mode?
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optional string device_id = 6; // device's unique identifier
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optional bool pin_protection = 7; // is device protected by PIN?
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optional bool passphrase_protection = 8; // is node/mnemonic encrypted using passphrase?
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optional string language = 9; // device language
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optional string label = 10; // device description label
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optional bool initialized = 12; // does device contain seed?
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optional bytes revision = 13; // SCM revision of firmware
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optional bytes bootloader_hash = 14; // hash of the bootloader
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optional bool imported = 15; // was storage imported from an external source?
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optional bool unlocked = 16; // is the device unlocked? called "pin_cached" previously
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optional bool _passphrase_cached = 17 [deprecated=true]; // is passphrase already cached in session?
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optional bool firmware_present = 18; // is valid firmware loaded?
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optional bool needs_backup = 19; // does storage need backup? (equals to Storage.needs_backup)
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optional uint32 flags = 20; // device flags (equals to Storage.flags)
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optional string model = 21; // device hardware model
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optional uint32 fw_major = 22; // reported firmware version if in bootloader mode
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optional uint32 fw_minor = 23; // reported firmware version if in bootloader mode
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optional uint32 fw_patch = 24; // reported firmware version if in bootloader mode
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optional string fw_vendor = 25; // reported firmware vendor if in bootloader mode
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// optional bytes fw_vendor_keys = 26; // obsoleted, use fw_vendor
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optional bool unfinished_backup = 27; // report unfinished backup (equals to Storage.unfinished_backup)
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optional bool no_backup = 28; // report no backup (equals to Storage.no_backup)
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optional bool recovery_mode = 29; // is recovery mode in progress
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repeated Capability capabilities = 30; // list of supported capabilities
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enum Capability {
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option (has_bitcoin_only_values) = true;
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Capability_Bitcoin = 1 [(bitcoin_only) = true];
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Capability_Bitcoin_like = 2; // Altcoins based on the Bitcoin source code
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Capability_Binance = 3;
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Capability_Cardano = 4;
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Capability_Crypto = 5 [(bitcoin_only) = true]; // generic crypto operations for GPG, SSH, etc.
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Capability_EOS = 6;
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Capability_Ethereum = 7;
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Capability_Lisk = 8 [deprecated = true];
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Capability_Monero = 9;
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Capability_NEM = 10;
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Capability_Ripple = 11;
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Capability_Stellar = 12;
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Capability_Tezos = 13;
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Capability_U2F = 14;
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Capability_Shamir = 15 [(bitcoin_only) = true];
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Capability_ShamirGroups = 16 [(bitcoin_only) = true];
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Capability_PassphraseEntry = 17 [(bitcoin_only) = true]; // the device is capable of passphrase entry directly on the device
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}
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optional BackupType backup_type = 31; // type of device backup (BIP-39 / SLIP-39 basic / SLIP-39 advanced)
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optional bool sd_card_present = 32; // is SD card present
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optional bool sd_protection = 33; // is SD Protect enabled
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optional bool wipe_code_protection = 34; // is wipe code protection enabled
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optional bytes session_id = 35;
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optional bool passphrase_always_on_device = 36; // device enforces passphrase entry on Trezor
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optional SafetyCheckLevel safety_checks = 37; // safety check level, set to Prompt to limit path namespace enforcement
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optional uint32 auto_lock_delay_ms = 38; // number of milliseconds after which the device locks itself
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optional uint32 display_rotation = 39; // in degrees from North
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optional bool experimental_features = 40; // are experimental message types enabled?
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}
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/**
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* Request: soft-lock the device. Following actions will require PIN. Passphrases remain cached.
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* @start
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* @next Success
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*/
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message LockDevice {
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}
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/**
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* Request: end the current sesson. Following actions must call Initialize again.
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* Cache for the current session is discarded, other sessions remain intact.
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* Device is not PIN-locked.
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* @start
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* @next Success
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*/
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message EndSession {
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}
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/**
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* Request: change language and/or label of the device
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* @start
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* @next Success
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* @next Failure
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*/
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message ApplySettings {
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optional string language = 1;
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optional string label = 2;
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optional bool use_passphrase = 3;
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optional bytes homescreen = 4;
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optional uint32 _passphrase_source = 5 [deprecated=true]; // ASK = 0; DEVICE = 1; HOST = 2;
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optional uint32 auto_lock_delay_ms = 6;
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optional uint32 display_rotation = 7; // in degrees from North
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optional bool passphrase_always_on_device = 8; // do not prompt for passphrase, enforce device entry
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optional SafetyCheckLevel safety_checks = 9; // Safety check level, set to Prompt to limit path namespace enforcement
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optional bool experimental_features = 10; // enable experimental message types
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}
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/**
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* Request: set flags of the device
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* @start
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* @next Success
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* @next Failure
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*/
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message ApplyFlags {
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required uint32 flags = 1; // bitmask, can only set bits, not unset
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}
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/**
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* Request: Starts workflow for setting/changing/removing the PIN
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* @start
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* @next Success
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* @next Failure
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*/
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message ChangePin {
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optional bool remove = 1; // is PIN removal requested?
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}
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/**
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* Request: Starts workflow for setting/removing the wipe code
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* @start
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* @next Success
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* @next Failure
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*/
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message ChangeWipeCode {
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optional bool remove = 1; // is wipe code removal requested?
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}
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/**
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* Request: Starts workflow for enabling/regenerating/disabling SD card protection
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* @start
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* @next Success
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* @next Failure
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*/
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message SdProtect {
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required SdProtectOperationType operation = 1;
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/**
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* Structure representing SD card protection operation
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*/
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enum SdProtectOperationType {
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DISABLE = 0;
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ENABLE = 1;
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REFRESH = 2;
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}
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}
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/**
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* Request: Test if the device is alive, device sends back the message in Success response
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* @start
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* @next Success
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*/
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message Ping {
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optional string message = 1 [default=""]; // message to send back in Success message
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optional bool button_protection = 2; // ask for button press
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}
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/**
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* Request: Abort last operation that required user interaction
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* @start
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* @next Failure
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*/
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message Cancel {
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}
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/**
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* Request: Request a sample of random data generated by hardware RNG. May be used for testing.
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* @start
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* @next Entropy
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* @next Failure
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*/
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message GetEntropy {
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required uint32 size = 1; // size of requested entropy
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}
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/**
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* Response: Reply with random data generated by internal RNG
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* @end
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*/
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message Entropy {
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required bytes entropy = 1; // chunk of random generated bytes
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}
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/**
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* Request: Get a hash of the installed firmware combined with an optional challenge.
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* @start
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* @next FirmwareHash
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* @next Failure
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*/
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message GetFirmwareHash {
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optional bytes challenge = 1; // Blake2s key up to 32 bytes in length.
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}
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/**
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* Response: Hash of the installed firmware combined with the optional challenge.
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* @end
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*/
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message FirmwareHash {
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required bytes hash = 1;
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}
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/**
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* Request: get firmware image. The firmware will send all chunks in sequence.
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* @start
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* @next FirmwareChunk
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*/
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message GetFirmware {}
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/**
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* Response: firmware chunk.
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* @next FirmwareChunkAck
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*/
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message FirmwareChunk {
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required bytes chunk = 1;
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}
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/**
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* Request: acknowledge firmware chunk.
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* @next FirmwareChunk
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* @next Success
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*/
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message FirmwareChunkAck {}
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/**
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* Request: Request device to wipe all sensitive data and settings
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* @start
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* @next Success
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* @next Failure
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*/
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message WipeDevice {
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}
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/**
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* Request: Load seed and related internal settings from the computer
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* @start
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* @next Success
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* @next Failure
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*/
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message LoadDevice {
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repeated string mnemonics = 1; // seed encoded as mnemonic (12, 18 or 24 words for BIP39, 20 or 33 for SLIP39)
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optional string pin = 3; // set PIN protection
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optional bool passphrase_protection = 4; // enable master node encryption using passphrase
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optional string language = 5 [default='en-US']; // device language (IETF BCP 47 language tag)
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optional string label = 6; // device label
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optional bool skip_checksum = 7; // do not test mnemonic for valid BIP-39 checksum
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optional uint32 u2f_counter = 8; // U2F counter
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optional bool needs_backup = 9; // set "needs backup" flag
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optional bool no_backup = 10; // indicate that no backup is going to be made
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}
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/**
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* Request: Ask device to do initialization involving user interaction
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* @start
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* @next EntropyRequest
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* @next Failure
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*/
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message ResetDevice {
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optional bool display_random = 1; // display entropy generated by the device before asking for additional entropy
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optional uint32 strength = 2 [default=256]; // strength of seed in bits
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optional bool passphrase_protection = 3; // enable master node encryption using passphrase
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optional bool pin_protection = 4; // enable PIN protection
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optional string language = 5 [default='en-US']; // device language (IETF BCP 47 language tag)
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optional string label = 6; // device label
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optional uint32 u2f_counter = 7; // U2F counter
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optional bool skip_backup = 8; // postpone seed backup to BackupDevice workflow
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optional bool no_backup = 9; // indicate that no backup is going to be made
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optional BackupType backup_type = 10 [default=Bip39]; // type of the mnemonic backup
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}
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/**
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* Request: Perform backup of the device seed if not backed up using ResetDevice
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* @start
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* @next Success
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*/
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message BackupDevice {
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}
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/**
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* Response: Ask for additional entropy from host computer
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* @next EntropyAck
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*/
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message EntropyRequest {
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}
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/**
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* Request: Provide additional entropy for seed generation function
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* @next Success
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*/
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message EntropyAck {
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required bytes entropy = 1; // 256 bits (32 bytes) of random data
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}
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/**
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* Request: Start recovery workflow asking user for specific words of mnemonic
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* Used to recovery device safely even on untrusted computer.
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* @start
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* @next WordRequest
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*/
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message RecoveryDevice {
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optional uint32 word_count = 1; // number of words in BIP-39 mnemonic
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optional bool passphrase_protection = 2; // enable master node encryption using passphrase
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optional bool pin_protection = 3; // enable PIN protection
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optional string language = 4; // device language (IETF BCP 47 language tag)
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optional string label = 5; // device label
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optional bool enforce_wordlist = 6; // enforce BIP-39 wordlist during the process
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// 7 reserved for unused recovery method
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optional RecoveryDeviceType type = 8; // supported recovery type
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optional uint32 u2f_counter = 9; // U2F counter
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optional bool dry_run = 10; // perform dry-run recovery workflow (for safe mnemonic validation)
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/**
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* Type of recovery procedure. These should be used as bitmask, e.g.,
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* `RecoveryDeviceType_ScrambledWords | RecoveryDeviceType_Matrix`
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* listing every method supported by the host computer.
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*
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* Note that ScrambledWords must be supported by every implementation
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* for backward compatibility; there is no way to not support it.
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*/
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enum RecoveryDeviceType {
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// use powers of two when extending this field
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RecoveryDeviceType_ScrambledWords = 0; // words in scrambled order
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RecoveryDeviceType_Matrix = 1; // matrix recovery type
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}
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}
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/**
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* Response: Device is waiting for user to enter word of the mnemonic
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* Its position is shown only on device's internal display.
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* @next WordAck
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*/
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message WordRequest {
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required WordRequestType type = 1;
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/**
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* Type of Recovery Word request
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*/
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enum WordRequestType {
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WordRequestType_Plain = 0;
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WordRequestType_Matrix9 = 1;
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WordRequestType_Matrix6 = 2;
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}
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}
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/**
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* Request: Computer replies with word from the mnemonic
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* @next WordRequest
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* @next Success
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* @next Failure
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*/
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message WordAck {
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required string word = 1; // one word of mnemonic on asked position
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}
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/**
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* Request: Set U2F counter
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* @start
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* @next Success
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*/
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message SetU2FCounter {
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required uint32 u2f_counter = 1;
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}
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/**
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* Request: Set U2F counter
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* @start
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* @next NextU2FCounter
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*/
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message GetNextU2FCounter {
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}
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/**
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* Request: Set U2F counter
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* @end
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*/
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message NextU2FCounter {
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required uint32 u2f_counter = 1;
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}
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/**
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* Request: Ask device to prepare for a preauthorized operation.
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* @start
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* @next PreauthorizedRequest
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* @next Failure
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*/
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message DoPreauthorized {
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}
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/**
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* Request: Device awaits a preauthorized operation.
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* @start
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* @next SignTx
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* @next GetOwnershipProof
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*/
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message PreauthorizedRequest {
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}
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/**
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* Request: Cancel any outstanding authorization in the current session.
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* @start
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* @next Success
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* @next Failure
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*/
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message CancelAuthorization {
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}
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/**
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* Request: Reboot firmware to bootloader
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* @start
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* @next Success
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*/
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message RebootToBootloader {
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}
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/**
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* Request: Ask device to generate a random nonce and store it in the session's cache
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* @start
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* @next Nonce
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*/
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message GetNonce {
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option (unstable) = true;
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}
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/**
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* Response: Contains a random nonce
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* @end
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*/
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message Nonce {
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option (unstable) = true;
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required bytes nonce = 1; // a 32-byte random value generated by Trezor
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}
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