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615 lines
18 KiB
615 lines
18 KiB
/**
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* Messages for TREZOR communication
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*
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* @author Marek Palatinus <slush@satoshilabs.com>
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* @version 1.2
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*/
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// Sugar for easier handling in Java
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option java_package = "com.satoshilabs.trezor.protobuf";
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option java_outer_classname = "TrezorMessage";
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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 [(wire_in) = true];
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MessageType_Ping = 1 [(wire_in) = true];
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MessageType_Success = 2 [(wire_out) = true];
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MessageType_Failure = 3 [(wire_out) = true];
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MessageType_ChangePin = 4 [(wire_in) = true];
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MessageType_WipeDevice = 5 [(wire_in) = true];
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MessageType_FirmwareErase = 6 [(wire_in) = true];
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MessageType_FirmwareUpload = 7 [(wire_in) = true];
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MessageType_GetEntropy = 9 [(wire_in) = true];
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MessageType_Entropy = 10 [(wire_out) = true];
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MessageType_GetPublicKey = 11 [(wire_in) = true];
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MessageType_PublicKey = 12 [(wire_out) = true];
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MessageType_LoadDevice = 13 [(wire_in) = true];
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MessageType_ResetDevice = 14 [(wire_in) = true];
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MessageType_SignTx = 15 [(wire_in) = true];
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MessageType_SimpleSignTx = 16 [(wire_in) = true];
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MessageType_Features = 17 [(wire_out) = true];
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MessageType_PinMatrixRequest = 18 [(wire_out) = true];
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MessageType_PinMatrixAck = 19 [(wire_in) = true];
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MessageType_Cancel = 20 [(wire_in) = true];
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MessageType_TxRequest = 21 [(wire_out) = true];
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MessageType_TxAck = 22 [(wire_in) = true];
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MessageType_CipherKeyValue = 23 [(wire_in) = true];
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MessageType_CipheredKeyValue = 48 [(wire_out) = true];
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MessageType_ClearSession = 24 [(wire_in) = true];
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MessageType_ApplySettings = 25 [(wire_in) = true];
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MessageType_ButtonRequest = 26 [(wire_out) = true];
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MessageType_ButtonAck = 27 [(wire_in) = true];
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MessageType_GetAddress = 29 [(wire_in) = true];
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MessageType_Address = 30 [(wire_out) = true];
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MessageType_EntropyRequest = 35 [(wire_out) = true];
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MessageType_EntropyAck = 36 [(wire_in) = true];
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MessageType_SignMessage = 38 [(wire_in) = true];
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MessageType_VerifyMessage = 39 [(wire_in) = true];
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MessageType_MessageSignature = 40 [(wire_out) = true];
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MessageType_EncryptMessage = 49 [(wire_in) = true];
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MessageType_EncryptedMessage = 50 [(wire_out) = true];
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MessageType_DecryptMessage = 51 [(wire_in) = true];
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MessageType_DecryptedMessage = 52 [(wire_out) = true];
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MessageType_PassphraseRequest = 41 [(wire_out) = true];
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MessageType_PassphraseAck = 42 [(wire_in) = true];
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MessageType_EstimateTxSize = 43 [(wire_in) = true];
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MessageType_TxSize = 44 [(wire_out) = true];
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MessageType_RecoveryDevice = 45 [(wire_in) = true];
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MessageType_WordRequest = 46 [(wire_out) = true];
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MessageType_WordAck = 47 [(wire_in) = true];
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MessageType_DebugLinkDecision = 100 [(wire_debug_in) = true];
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MessageType_DebugLinkGetState = 101 [(wire_debug_in) = true];
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MessageType_DebugLinkState = 102 [(wire_debug_out) = true];
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MessageType_DebugLinkStop = 103 [(wire_debug_in) = true];
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MessageType_DebugLinkLog = 104 [(wire_debug_out) = true];
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}
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////////////////////
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// Basic messages //
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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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* Response: Reports various information about the device
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* @prev Initialize
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*/
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message Features {
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optional string vendor = 1; // name of the manufacturer, e.g. "bitcointrezor.com"
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optional uint32 major_version = 2; // major version of the device, e.g. 1
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optional uint32 minor_version = 3; // minor version of the device, e.g. 0
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optional uint32 patch_version = 4; // patch version of the device, 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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repeated CoinType coins = 11; // supported coins
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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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}
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/**
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* Request: clear session (removes cached PIN, passphrase, etc).
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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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* @next Success
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* @next Failure
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* @next ButtonRequest
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* @next PinMatrixRequest
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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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}
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/**
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* Request: Starts workflow for setting/changing/removing the PIN
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* @next ButtonRequest
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* @next PinMatrixRequest
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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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* @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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* Response: Device is asking computer to show PIN matrix and awaits PIN encoded using this matrix scheme
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* @next PinMatrixAck
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* @next Cancel
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*/
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message PinMatrixRequest {
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optional PinMatrixRequestType type = 1;
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}
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/**
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* Request: Computer responds with encoded PIN
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* @prev PinMatrixRequest
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*/
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message PinMatrixAck {
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required string pin = 1; // matrix encoded PIN entered by user
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}
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/**
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* Request: Abort last operation that required user interaction
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* @prev ButtonRequest
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* @prev PinMatrixRequest
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* @prev PassphraseRequest
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*/
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message Cancel {
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}
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/**
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* Response: Device awaits encryption passphrase
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* @next PassphraseAck
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* @next Cancel
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*/
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message PassphraseRequest {
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}
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/**
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* Request: Send passphrase back
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* @prev PassphraseRequest
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*/
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message PassphraseAck {
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required string passphrase = 1;
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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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* @next ButtonRequest
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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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* @prev GetEntropy
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*/
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message Entropy {
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required bytes entropy = 1; // stream of random generated bytes
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}
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/**
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* Request: Ask device for public key corresponding to address_n path
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* @next PassphraseRequest
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* @next PublicKey
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* @next Failure
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*/
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message GetPublicKey {
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repeated uint32 address_n = 1; // BIP-32 path to derive the key from master node
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}
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/**
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* Response: Contains public key derived from device private seed
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* @prev GetPublicKey
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*/
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message PublicKey {
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required HDNodeType node = 1; // BIP32 public node
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optional string xpub = 2; // serialized form of public node
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}
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/**
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* Request: Ask device for address corresponding to address_n path
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* @next PassphraseRequest
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* @next Address
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* @next Failure
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*/
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message GetAddress {
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repeated uint32 address_n = 1; // BIP-32 path to derive the key from master node
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optional string coin_name = 2 [default='Bitcoin'];
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optional bool show_display = 3;
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}
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/**
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* Response: Contains address derived from device private seed
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* @prev GetAddress
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*/
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message Address {
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required string address = 1; // Coin address in Base58 encoding
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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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* @next ButtonRequest
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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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* @next ButtonRequest
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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 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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}
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/**
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* Request: Ask device to do initialization involving user interaction
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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=128]; // 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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}
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/**
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* Response: Ask for additional entropy from host computer
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* @prev ResetDevice
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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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* @prev EntropyRequest
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* @next ButtonRequest
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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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* @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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}
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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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* @prev RecoveryDevice
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* @prev WordAck
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*/
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message WordRequest {
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}
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/**
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* Request: Computer replies with word from the mnemonic
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* @prev WordRequest
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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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// Message signing messages //
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//////////////////////////////
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/**
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* Request: Ask device to sign message
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* @next MessageSignature
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* @next Failure
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*/
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message SignMessage {
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repeated uint32 address_n = 1; // BIP-32 path to derive the key from master node
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required bytes message = 2; // message to be signed
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optional string coin_name = 3 [default='Bitcoin']; // coin to use for signing
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}
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/**
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* Request: Ask device to verify message
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* @next Success
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* @next Failure
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*/
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message VerifyMessage {
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optional string address = 1; // address to verify
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optional bytes signature = 2; // signature to verify
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optional bytes message = 3; // message to verify
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}
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/**
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* Response: Signed message
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* @prev SignMessage
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*/
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message MessageSignature {
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optional string address = 1; // address used to sign the message
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optional bytes signature = 2; // signature of the message
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}
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///////////////////////////
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// Encryption/decryption //
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///////////////////////////
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/**
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* Request: Ask device to encrypt message
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* @next EncryptedMessage
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* @next Failure
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*/
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message EncryptMessage {
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optional bytes pubkey = 1; // public key
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optional bytes message = 2; // message to encrypt
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optional bool display_only = 3; // show just on display? (don't send back via wire)
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repeated uint32 address_n = 4; // BIP-32 path to derive the signing key from master node
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optional string coin_name = 5 [default='Bitcoin']; // coin to use for signing
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}
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/**
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* Response: Encrypted message
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* @prev EncryptMessage
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*/
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message EncryptedMessage {
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optional bytes nonce = 1; // nonce used during encryption
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optional bytes message = 2; // encrypted message
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optional bytes hmac = 3; // message hmac
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}
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/**
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* Request: Ask device to decrypt message
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* @next Success
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* @next Failure
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*/
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message DecryptMessage {
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repeated uint32 address_n = 1; // BIP-32 path to derive the decryption key from master node
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optional bytes nonce = 2; // nonce used during encryption
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optional bytes message = 3; // message to decrypt
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optional bytes hmac = 4; // message hmac
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}
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/**
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* Response: Decrypted message
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* @prev DecryptedMessage
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*/
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message DecryptedMessage {
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optional bytes message = 1; // decrypted message
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optional string address = 2; // address used to sign the message (if used)
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}
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/**
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* Request: Ask device to encrypt or decrypt value of given key
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* @next CipheredKeyValue
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* @next Failure
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*/
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message CipherKeyValue {
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repeated uint32 address_n = 1; // BIP-32 path to derive the key from master node
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optional string key = 2; // key component of key:value
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optional bytes value = 3; // value component of key:value
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optional bool encrypt = 4; // are we encrypting (True) or decrypting (False)?
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optional bool ask_on_encrypt = 5; // should we ask on encrypt operation?
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optional bool ask_on_decrypt = 6; // should we ask on decrypt operation?
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}
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/**
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* Response: Return ciphered/deciphered value
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* @prev CipherKeyValue
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*/
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message CipheredKeyValue {
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optional bytes value = 1; // ciphered/deciphered value
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}
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//////////////////////////////////
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// Transaction signing messages //
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//////////////////////////////////
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/**
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* Request: Estimated size of the transaction
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* This behaves exactly like SignTx, which means that it can ask using TxRequest
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* This call is non-blocking (except possible PassphraseRequest to unlock the seed)
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* @next TxSize
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* @next Failure
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*/
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message EstimateTxSize {
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required uint32 outputs_count = 1; // number of transaction outputs
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required uint32 inputs_count = 2; // number of transaction inputs
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optional string coin_name = 3 [default='Bitcoin']; // coin to use
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}
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/**
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* Response: Estimated size of the transaction
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* @prev EstimateTxSize
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*/
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message TxSize {
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optional uint32 tx_size = 1; // estimated size of transaction in bytes
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}
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/**
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* Request: Ask device to sign transaction
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* @next PassphraseRequest
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* @next PinMatrixRequest
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* @next TxRequest
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* @next Failure
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*/
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message SignTx {
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required uint32 outputs_count = 1; // number of transaction outputs
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required uint32 inputs_count = 2; // number of transaction inputs
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optional string coin_name = 3 [default='Bitcoin']; // coin to use
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}
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/**
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* Request: Simplified transaction signing
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* This method doesn't support streaming, so there are hardware limits in number of inputs and outputs.
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* In case of success, the result is returned using TxRequest message.
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* @next PassphraseRequest
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* @next PinMatrixRequest
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* @next TxRequest
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* @next Failure
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*/
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message SimpleSignTx {
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repeated TxInputType inputs = 1; // transaction inputs
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repeated TxOutputType outputs = 2; // transaction outputs
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repeated TransactionType transactions = 3; // transactions whose outputs are used to build current inputs
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optional string coin_name = 4 [default='Bitcoin']; // coin to use
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}
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/**
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* Response: Device asks for information for signing transaction or returns the last result
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* If request_index is set, device awaits TxAck message (with fields filled in according to request_type)
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* If signature_index is set, 'signature' contains signed input of signature_index's input
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* @prev SignTx
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* @prev SimpleSignTx
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* @prev TxAck
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*/
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message TxRequest {
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optional RequestType request_type = 1; // what should be filled in TxAck message?
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optional TxRequestDetailsType details = 2; // request for tx details
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optional TxRequestSerializedType serialized = 3; // serialized data and request for next
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}
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/**
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* Request: Reported transaction data
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* @prev TxRequest
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* @next TxRequest
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*/
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message TxAck {
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optional TransactionType tx = 1;
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}
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/////////////////////////
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// Bootloader messages //
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/////////////////////////
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/**
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* Request: Ask device to erase its firmware
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* @next Success
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* @next Failure
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*/
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message FirmwareErase {
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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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}
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/////////////////////////////////////////////////////////////
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// Debug messages (only available if DebugLink is enabled) //
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/////////////////////////////////////////////////////////////
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/**
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* Request: "Press" the button on the device
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* @next Success
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*/
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message DebugLinkDecision {
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required bool yes_no = 1; // true for "Confirm", false for "Cancel"
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}
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/**
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* Request: Computer asks for device state
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* @next DebugLinkState
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*/
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message DebugLinkGetState {
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}
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/**
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* Response: Device current state
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* @prev DebugLinkGetState
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*/
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message DebugLinkState {
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optional bytes layout = 1; // raw buffer of display
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optional string pin = 2; // current PIN, blank if PIN is not set/enabled
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optional string matrix = 3; // current PIN matrix
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optional string mnemonic = 4; // current BIP-39 mnemonic
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optional HDNodeType node = 5; // current BIP-32 node
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optional bool passphrase_protection = 6; // is node/mnemonic encrypted using passphrase?
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optional string reset_word = 7; // word on device display during ResetDevice workflow
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optional bytes reset_entropy = 8; // current entropy during ResetDevice workflow
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optional string recovery_fake_word = 9; // (fake) word on display during RecoveryDevice workflow
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optional uint32 recovery_word_pos = 10; // index of mnemonic word the device is expecting during RecoveryDevice workflow
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}
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/**
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* Request: Ask device to restart
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*/
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message DebugLinkStop {
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}
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/**
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* Response: Device wants host to log event
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*/
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message DebugLinkLog {
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optional uint32 level = 1;
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optional string bucket = 2;
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optional string text = 3;
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}
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