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mirror of https://github.com/trezor/trezor-firmware.git synced 2024-11-26 17:38:39 +00:00
trezor-firmware/embed/bootloader/protob/messages.proto

139 lines
4.5 KiB
Protocol Buffer

import "types.proto";
/**
* Mapping between Trezor wire identifier (uint) and a protobuf message
*/
enum MessageType {
MessageType_Initialize = 0;
MessageType_Ping = 1;
MessageType_Success = 2;
MessageType_Failure = 3;
MessageType_FirmwareErase = 6;
MessageType_FirmwareUpload = 7;
MessageType_FirmwareRequest = 8;
MessageType_Features = 17;
MessageType_ButtonRequest = 26;
MessageType_ButtonAck = 27;
MessageType_GetFeatures = 55;
}
/**
* Request: Reset device to default state and ask for device details
* @next Features
*/
message Initialize {
}
/**
* Request: Ask for device details (no device reset)
* @next Features
*/
message GetFeatures {
}
/**
* Response: Reports various information about the device
* @prev Initialize
* @prev GetFeatures
*/
message Features {
optional string vendor = 1; // name of the manufacturer, e.g. "trezor.io"
optional uint32 major_version = 2; // major version of the firmware/bootloader, e.g. 1
optional uint32 minor_version = 3; // minor version of the firmware/bootloader, e.g. 0
optional 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
// repeated CoinType coins = 11; // supported coins
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 pin_cached = 16; // is PIN already cached in session?
// optional bool passphrase_cached = 17; // 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; // reported firmware vendor keys (their hash)
}
/**
* Request: Test if the device is alive, device sends back the message in Success response
* @next Success
*/
message Ping {
optional string message = 1; // message to send back in Success message
optional bool button_protection = 2; // ask for button press
optional bool pin_protection = 3; // ask for PIN if set in device
optional bool passphrase_protection = 4; // ask for passphrase if set in device
}
/**
* Response: Success of the previous request
*/
message Success {
optional string message = 1; // human readable description of action or request-specific payload
}
/**
* Response: Failure of the previous request
*/
message Failure {
optional FailureType code = 1; // computer-readable definition of the error state
optional string message = 2; // human-readable message of the error state
}
/**
* Response: Device is waiting for HW button press.
* @next ButtonAck
* @next Cancel
*/
message ButtonRequest {
optional ButtonRequestType code = 1;
optional string data = 2;
}
/**
* Request: Computer agrees to wait for HW button press
* @prev ButtonRequest
*/
message ButtonAck {
}
/**
* Request: Ask device to erase its firmware (so it can be replaced via FirmwareUpload)
* @next Success
* @next FirmwareRequest
* @next Failure
*/
message FirmwareErase {
optional uint32 length = 1; // length of new firmware
}
/**
* Response: Ask for firmware chunk
* @next FirmwareUpload
*/
message FirmwareRequest {
optional uint32 offset = 1; // offset of requested firmware chunk
optional uint32 length = 2; // length of requested firmware chunk
}
/**
* Request: Send firmware in binary form to the device
* @next Success
* @next Failure
*/
message FirmwareUpload {
required bytes payload = 1; // firmware to be loaded into device
optional bytes hash = 2; // hash of the payload
}