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mirror of https://github.com/trezor/trezor-firmware.git synced 2024-12-27 00:28:10 +00:00
trezor-firmware/legacy/firmware/fsm_msg_lisk.h
2019-06-17 20:28:29 +02:00

145 lines
3.9 KiB
C

/*
* This file is part of the Trezor project, https://trezor.io/
*
* Copyright (C) 2018 alepop <alepooop@gmail.com>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
void fsm_msgLiskGetAddress(const LiskGetAddress *msg) {
CHECK_INITIALIZED
CHECK_PIN
RESP_INIT(LiskAddress);
HDNode *node = fsm_getDerivedNode(ED25519_NAME, msg->address_n,
msg->address_n_count, NULL);
if (!node) return;
resp->has_address = true;
hdnode_fill_public_key(node);
lisk_get_address_from_public_key(&node->public_key[1], resp->address);
if (msg->has_show_display && msg->show_display) {
if (!fsm_layoutAddress(resp->address, _("Address:"), true, 0,
msg->address_n, msg->address_n_count, false)) {
return;
}
}
msg_write(MessageType_MessageType_LiskAddress, resp);
layoutHome();
}
void fsm_msgLiskGetPublicKey(const LiskGetPublicKey *msg) {
CHECK_INITIALIZED
CHECK_PIN
RESP_INIT(LiskPublicKey);
HDNode *node = fsm_getDerivedNode(ED25519_NAME, msg->address_n,
msg->address_n_count, NULL);
if (!node) return;
hdnode_fill_public_key(node);
resp->has_public_key = true;
resp->public_key.size = 32;
if (msg->has_show_display && msg->show_display) {
layoutLiskPublicKey(&node->public_key[1]);
if (!protectButton(ButtonRequestType_ButtonRequest_PublicKey, true)) {
fsm_sendFailure(FailureType_Failure_ActionCancelled, NULL);
layoutHome();
return;
}
}
memcpy(&resp->public_key.bytes, &node->public_key[1],
sizeof(resp->public_key.bytes));
msg_write(MessageType_MessageType_LiskPublicKey, resp);
layoutHome();
}
void fsm_msgLiskSignMessage(const LiskSignMessage *msg) {
CHECK_INITIALIZED
CHECK_PIN
RESP_INIT(LiskMessageSignature);
HDNode *node = fsm_getDerivedNode(ED25519_NAME, msg->address_n,
msg->address_n_count, NULL);
if (!node) return;
hdnode_fill_public_key(node);
lisk_sign_message(node, msg, resp);
msg_write(MessageType_MessageType_LiskMessageSignature, resp);
layoutHome();
}
void fsm_msgLiskVerifyMessage(const LiskVerifyMessage *msg) {
if (lisk_verify_message(msg)) {
char address[MAX_LISK_ADDRESS_SIZE];
lisk_get_address_from_public_key((const uint8_t *)&msg->public_key,
address);
layoutLiskVerifyAddress(address);
if (!protectButton(ButtonRequestType_ButtonRequest_Other, false)) {
fsm_sendFailure(FailureType_Failure_ActionCancelled, NULL);
layoutHome();
return;
}
layoutVerifyMessage(msg->message.bytes, msg->message.size);
if (!protectButton(ButtonRequestType_ButtonRequest_Other, false)) {
fsm_sendFailure(FailureType_Failure_ActionCancelled, NULL);
layoutHome();
return;
}
fsm_sendSuccess(_("Message verified"));
} else {
fsm_sendFailure(FailureType_Failure_DataError, _("Invalid signature"));
}
layoutHome();
}
void fsm_msgLiskSignTx(LiskSignTx *msg) {
CHECK_INITIALIZED
CHECK_PIN
RESP_INIT(LiskSignedTx);
HDNode *node = fsm_getDerivedNode(ED25519_NAME, msg->address_n,
msg->address_n_count, NULL);
if (!node) return;
hdnode_fill_public_key(node);
lisk_sign_tx(node, msg, resp);
msg_write(MessageType_MessageType_LiskSignedTx, resp);
layoutHome();
}