mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-28 00:58:09 +00:00
286 lines
10 KiB
Protocol Buffer
286 lines
10 KiB
Protocol Buffer
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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import "messages-common.proto";
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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 state = 1; // assumed device state, clear session if set and different
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optional bool skip_passphrase = 2; // this session should always assume empty passphrase
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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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optional uint32 major_version = 2; // major version of the firmware/bootloader, e.g. 1
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optional uint32 minor_version = 3; // minor version of the firmware/bootloader, e.g. 0
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optional 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 pin_cached = 16; // is PIN already cached in session?
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optional bool passphrase_cached = 17; // 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; // reported firmware vendor keys (their hash)
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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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}
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/**
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* Request: clear session (removes cached PIN, passphrase, etc).
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* @start
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* @next Success
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*/
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message ClearSession {
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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 PassphraseSourceType passphrase_source = 5;
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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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/**
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* Structure representing passphrase source
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*/
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enum PassphraseSourceType {
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ASK = 0;
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DEVICE = 1;
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HOST = 2;
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}
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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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optional 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: 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; // message to send back in Success message
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optional bool button_protection = 2; // ask for button press
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optional bool pin_protection = 3; // ask for PIN if set in device
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optional bool passphrase_protection = 4; // ask for passphrase if set in device
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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: 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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optional string mnemonic = 1; // seed encoded as BIP-39 mnemonic (12, 18 or 24 words)
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optional hw.trezor.messages.common.HDNodeType node = 2; // BIP-32 node
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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='english']; // device language
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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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}
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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='english']; // device language
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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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}
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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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optional 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 [default='english']; // device language
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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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optional 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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optional uint32 u2f_counter = 1; // counter
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}
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