mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-18 05:28:40 +00:00
138 lines
4.4 KiB
Protocol Buffer
138 lines
4.4 KiB
Protocol Buffer
import "types.proto";
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/**
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* Mapping between Trezor wire identifier (uint) and a protobuf message
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*/
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enum MessageType {
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MessageType_Initialize = 0;
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MessageType_Ping = 1;
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MessageType_Success = 2;
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MessageType_Failure = 3;
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MessageType_FirmwareErase = 6;
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MessageType_FirmwareUpload = 7;
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MessageType_FirmwareRequest = 8;
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MessageType_Features = 17;
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MessageType_ButtonRequest = 26;
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MessageType_ButtonAck = 27;
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MessageType_GetFeatures = 55;
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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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* @next Features
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*/
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message Initialize {
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}
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/**
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* Request: Ask for device details (no device reset)
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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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* @prev Initialize
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* @prev GetFeatures
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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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}
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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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* @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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* Response: Success of the previous request
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*/
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message Success {
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optional string message = 1; // human readable description of action or request-specific payload
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}
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/**
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* Response: Failure of the previous request
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*/
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message Failure {
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optional FailureType code = 1; // computer-readable definition of the error state
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optional string message = 2; // human-readable message of the error state
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}
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/**
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* Response: Device is waiting for HW button press.
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* @next ButtonAck
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* @next Cancel
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*/
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message ButtonRequest {
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optional ButtonRequestType code = 1;
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optional string data = 2;
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}
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/**
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* Request: Computer agrees to wait for HW button press
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* @prev ButtonRequest
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*/
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message ButtonAck {
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}
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/**
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* Request: Ask device to erase its firmware (so it can be replaced via FirmwareUpload)
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* @next Success
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* @next FirmwareRequest
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* @next Failure
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*/
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message FirmwareErase {
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optional uint32 length = 1; // length of new firmware
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}
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/**
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* Response: Ask for firmware chunk
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* @next FirmwareUpload
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*/
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message FirmwareRequest {
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optional uint32 offset = 1; // offset of requested firmware chunk
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optional uint32 length = 2; // length of requested firmware chunk
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}
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/**
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* Request: Send firmware in binary form to the device
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* @next Success
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* @next Failure
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*/
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message FirmwareUpload {
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required bytes payload = 1; // firmware to be loaded into device
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optional bytes hash = 2; // hash of the payload
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}
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