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https://codeberg.org/anoncontributorxmr/monero.git
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c77d2bfaa0
On client startup the device asks for authorization to export the private view key. If user agree, the client hold the private view key allowing a fast blockchain scan. If the user does not agree, the blockchain scan is fully done via the device.
214 lines
9.9 KiB
C++
214 lines
9.9 KiB
C++
// Copyright (c) 2017-2018, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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#pragma once
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#include <cstddef>
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#include <string>
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#include "device.hpp"
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#include <PCSC/winscard.h>
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#include <PCSC/wintypes.h>
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#include <boost/thread/mutex.hpp>
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#include <boost/thread/recursive_mutex.hpp>
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namespace hw {
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namespace ledger {
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void register_all(std::map<std::string, std::unique_ptr<device>> ®istry);
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#ifdef WITH_DEVICE_LEDGER
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namespace {
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bool apdu_verbose =true;
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}
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void set_apdu_verbose(bool verbose);
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class ABPkeys {
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public:
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rct::key Aout;
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rct::key Bout;
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bool is_subaddress;
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size_t index;
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rct::key Pout;
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rct::key AKout;
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ABPkeys(const rct::key& A, const rct::key& B, const bool is_subaddr, size_t index, const rct::key& P,const rct::key& AK);
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ABPkeys(const ABPkeys& keys) ;
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ABPkeys() {index=0;is_subaddress=false;}
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};
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class Keymap {
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public:
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std::vector<ABPkeys> ABP;
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bool find(const rct::key& P, ABPkeys& keys) const;
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void add(const ABPkeys& keys);
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void clear();
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void log();
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};
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#define BUFFER_SEND_SIZE 262
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#define BUFFER_RECV_SIZE 262
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class device_ledger : public hw::device {
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private:
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// Locker for concurrent access
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mutable boost::recursive_mutex device_locker;
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mutable boost::mutex command_locker;
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//PCSC management
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std::string full_name;
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SCARDCONTEXT hContext;
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SCARDHANDLE hCard;
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DWORD length_send;
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BYTE buffer_send[BUFFER_SEND_SIZE];
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DWORD length_recv;
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BYTE buffer_recv[BUFFER_RECV_SIZE];
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unsigned int id;
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void logCMD(void);
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void logRESP(void);
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unsigned int exchange(unsigned int ok=0x9000, unsigned int mask=0xFFFF);
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void reset_buffer(void);
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// hw running mode
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device_mode mode;
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// map public destination key to ephemeral destination key
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Keymap key_map;
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// To speed up blockchain parsing the view key maybe handle here.
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crypto::secret_key viewkey;
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bool has_view_key;
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//extra debug
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#ifdef DEBUG_HWDEVICE
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device *controle_device;
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#endif
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public:
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device_ledger();
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~device_ledger();
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device_ledger(const device_ledger &device) = delete ;
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device_ledger& operator=(const device_ledger &device) = delete;
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explicit operator bool() const override {return this->hContext != 0;}
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bool reset(void);
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/* ======================================================================= */
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/* SETUP/TEARDOWN */
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/* ======================================================================= */
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bool set_name(const std::string &name) override;
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const std::string get_name() const override;
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bool init(void) override;
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bool release() override;
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bool connect(void) override;
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bool disconnect() override;
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bool set_mode(device_mode mode) override;
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/* ======================================================================= */
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/* LOCKER */
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/* ======================================================================= */
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void lock(void) override;
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void unlock(void) override;
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bool try_lock(void) override;
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/* ======================================================================= */
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/* WALLET & ADDRESS */
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/* ======================================================================= */
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bool get_public_address(cryptonote::account_public_address &pubkey) override;
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bool get_secret_keys(crypto::secret_key &viewkey , crypto::secret_key &spendkey) override;
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bool generate_chacha_key(const cryptonote::account_keys &keys, crypto::chacha_key &key) override;
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/* ======================================================================= */
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/* SUB ADDRESS */
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/* ======================================================================= */
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bool derive_subaddress_public_key(const crypto::public_key &pub, const crypto::key_derivation &derivation, const std::size_t output_index, crypto::public_key &derived_pub) override;
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crypto::public_key get_subaddress_spend_public_key(const cryptonote::account_keys& keys, const cryptonote::subaddress_index& index) override;
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std::vector<crypto::public_key> get_subaddress_spend_public_keys(const cryptonote::account_keys &keys, uint32_t account, uint32_t begin, uint32_t end) override;
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cryptonote::account_public_address get_subaddress(const cryptonote::account_keys& keys, const cryptonote::subaddress_index &index) override;
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crypto::secret_key get_subaddress_secret_key(const crypto::secret_key &sec, const cryptonote::subaddress_index &index) override;
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/* ======================================================================= */
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/* DERIVATION & KEY */
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/* ======================================================================= */
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bool verify_keys(const crypto::secret_key &secret_key, const crypto::public_key &public_key) override;
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bool scalarmultKey(rct::key & aP, const rct::key &P, const rct::key &a) override;
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bool scalarmultBase(rct::key &aG, const rct::key &a) override;
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bool sc_secret_add(crypto::secret_key &r, const crypto::secret_key &a, const crypto::secret_key &b) override;
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crypto::secret_key generate_keys(crypto::public_key &pub, crypto::secret_key &sec, const crypto::secret_key& recovery_key = crypto::secret_key(), bool recover = false) override;
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bool generate_key_derivation(const crypto::public_key &pub, const crypto::secret_key &sec, crypto::key_derivation &derivation) override;
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bool derivation_to_scalar(const crypto::key_derivation &derivation, const size_t output_index, crypto::ec_scalar &res) override;
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bool derive_secret_key(const crypto::key_derivation &derivation, const std::size_t output_index, const crypto::secret_key &sec, crypto::secret_key &derived_sec) override;
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bool derive_public_key(const crypto::key_derivation &derivation, const std::size_t output_index, const crypto::public_key &pub, crypto::public_key &derived_pub) override;
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bool secret_key_to_public_key(const crypto::secret_key &sec, crypto::public_key &pub) override;
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bool generate_key_image(const crypto::public_key &pub, const crypto::secret_key &sec, crypto::key_image &image) override;
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/* ======================================================================= */
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/* TRANSACTION */
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/* ======================================================================= */
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bool open_tx(crypto::secret_key &tx_key) override;
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bool encrypt_payment_id(crypto::hash8 &payment_id, const crypto::public_key &public_key, const crypto::secret_key &secret_key) override;
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bool ecdhEncode(rct::ecdhTuple & unmasked, const rct::key & sharedSec) override;
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bool ecdhDecode(rct::ecdhTuple & masked, const rct::key & sharedSec) override;
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bool add_output_key_mapping(const crypto::public_key &Aout, const crypto::public_key &Bout, const bool is_subaddress, const size_t real_output_index,
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const rct::key &amount_key, const crypto::public_key &out_eph_public_key) override;
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bool mlsag_prehash(const std::string &blob, size_t inputs_size, size_t outputs_size, const rct::keyV &hashes, const rct::ctkeyV &outPk, rct::key &prehash) override;
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bool mlsag_prepare(const rct::key &H, const rct::key &xx, rct::key &a, rct::key &aG, rct::key &aHP, rct::key &rvII) override;
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bool mlsag_prepare(rct::key &a, rct::key &aG) override;
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bool mlsag_hash(const rct::keyV &long_message, rct::key &c) override;
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bool mlsag_sign( const rct::key &c, const rct::keyV &xx, const rct::keyV &alpha, const size_t rows, const size_t dsRows, rct::keyV &ss) override;
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bool close_tx(void) override;
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};
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#ifdef DEBUG_HWDEVICE
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extern crypto::secret_key dbg_viewkey;
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extern crypto::secret_key dbg_spendkey;
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#endif
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#endif //WITH_DEVICE_LEDGER
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}
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}
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