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128 lines
3.6 KiB
128 lines
3.6 KiB
/*
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* This file is part of the TREZOR project, https://trezor.io/
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*
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* Copyright (C) 2018 Pavol Rusnak <stick@satoshilabs.com>
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*
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* This library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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void fsm_msgEthereumSignTx(EthereumSignTx *msg)
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{
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CHECK_INITIALIZED
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CHECK_PIN
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const HDNode *node = fsm_getDerivedNode(SECP256K1_NAME, msg->address_n, msg->address_n_count, NULL);
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if (!node) return;
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ethereum_signing_init(msg, node);
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}
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void fsm_msgEthereumTxAck(EthereumTxAck *msg)
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{
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ethereum_signing_txack(msg);
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}
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void fsm_msgEthereumGetAddress(EthereumGetAddress *msg)
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{
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RESP_INIT(EthereumAddress);
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CHECK_INITIALIZED
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CHECK_PIN
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const HDNode *node = fsm_getDerivedNode(SECP256K1_NAME, msg->address_n, msg->address_n_count, NULL);
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if (!node) return;
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resp->address.size = 20;
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if (!hdnode_get_ethereum_pubkeyhash(node, resp->address.bytes))
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return;
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if (msg->has_show_display && msg->show_display) {
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char desc[16];
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strlcpy(desc, "Address:", sizeof(desc));
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uint32_t slip44 = msg->address_n[1] & 0x7fffffff;
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bool rskip60 = false;
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uint32_t chain_id = 0;
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// constants from trezor-common/defs/ethereum/networks.json
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switch (slip44) {
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case 137: rskip60 = true; chain_id = 30; break;
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case 37310: rskip60 = true; chain_id = 31; break;
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}
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char address[43] = { '0', 'x' };
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ethereum_address_checksum(resp->address.bytes, address + 2, rskip60, chain_id);
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if (!fsm_layoutAddress(address, desc, false, 0, msg->address_n, msg->address_n_count)) {
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return;
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}
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}
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msg_write(MessageType_MessageType_EthereumAddress, resp);
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layoutHome();
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}
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void fsm_msgEthereumSignMessage(EthereumSignMessage *msg)
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{
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RESP_INIT(EthereumMessageSignature);
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CHECK_INITIALIZED
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layoutSignMessage(msg->message.bytes, msg->message.size);
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if (!protectButton(ButtonRequest_ButtonRequestType_ButtonRequest_ProtectCall, false)) {
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fsm_sendFailure(Failure_FailureType_Failure_ActionCancelled, NULL);
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layoutHome();
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return;
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}
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CHECK_PIN
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const HDNode *node = fsm_getDerivedNode(SECP256K1_NAME, msg->address_n, msg->address_n_count, NULL);
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if (!node) return;
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ethereum_message_sign(msg, node, resp);
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layoutHome();
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}
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void fsm_msgEthereumVerifyMessage(EthereumVerifyMessage *msg)
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{
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CHECK_PARAM(msg->has_address, _("No address provided"));
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CHECK_PARAM(msg->has_message, _("No message provided"));
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if (ethereum_message_verify(msg) != 0) {
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fsm_sendFailure(Failure_FailureType_Failure_DataError, _("Invalid signature"));
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return;
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}
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char address[43] = { '0', 'x' };
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ethereum_address_checksum(msg->address.bytes, address + 2, false, 0);
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layoutVerifyAddress(NULL, address);
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if (!protectButton(ButtonRequest_ButtonRequestType_ButtonRequest_Other, false)) {
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fsm_sendFailure(Failure_FailureType_Failure_ActionCancelled, NULL);
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layoutHome();
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return;
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}
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layoutVerifyMessage(msg->message.bytes, msg->message.size);
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if (!protectButton(ButtonRequest_ButtonRequestType_ButtonRequest_Other, false)) {
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fsm_sendFailure(Failure_FailureType_Failure_ActionCancelled, NULL);
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layoutHome();
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return;
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}
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fsm_sendSuccess(_("Message verified"));
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layoutHome();
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}
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