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273 lines
14 KiB
273 lines
14 KiB
// Copyright (c) 2017-2020, 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 "crypto/crypto.h"
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#include "crypto/chacha.h"
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#include "ringct/rctTypes.h"
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#include "cryptonote_config.h"
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#ifndef USE_DEVICE_LEDGER
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#define USE_DEVICE_LEDGER 1
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#endif
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#if !defined(HAVE_HIDAPI)
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#undef USE_DEVICE_LEDGER
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#define USE_DEVICE_LEDGER 0
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#endif
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#if USE_DEVICE_LEDGER
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#define WITH_DEVICE_LEDGER
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#endif
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// forward declaration needed because this header is included by headers in libcryptonote_basic which depends on libdevice
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namespace cryptonote
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{
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struct account_public_address;
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struct account_keys;
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struct subaddress_index;
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struct tx_destination_entry;
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struct keypair;
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class transaction_prefix;
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}
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namespace hw {
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namespace {
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//device funcion not supported
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#define dfns() \
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throw std::runtime_error(std::string("device function not supported: ")+ std::string(__FUNCTION__) + \
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std::string(" (device.hpp line ")+std::to_string(__LINE__)+std::string(").")); \
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return false;
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}
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class device_progress {
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public:
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virtual double progress() const { return 0; }
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virtual bool indeterminate() const { return false; }
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};
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class i_device_callback {
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public:
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virtual void on_button_request(uint64_t code=0) {}
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virtual void on_button_pressed() {}
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virtual boost::optional<epee::wipeable_string> on_pin_request() { return boost::none; }
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virtual boost::optional<epee::wipeable_string> on_passphrase_request(bool & on_device) { on_device = true; return boost::none; }
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virtual void on_progress(const device_progress& event) {}
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virtual ~i_device_callback() = default;
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};
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class device {
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protected:
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std::string name;
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public:
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device(): mode(NONE) {}
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device(const device &hwdev) {}
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virtual ~device() {}
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explicit virtual operator bool() const = 0;
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enum device_mode {
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NONE,
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TRANSACTION_CREATE_REAL,
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TRANSACTION_CREATE_FAKE,
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TRANSACTION_PARSE
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};
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enum device_type
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{
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SOFTWARE = 0,
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LEDGER = 1,
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TREZOR = 2
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};
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enum device_protocol_t {
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PROTOCOL_DEFAULT,
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PROTOCOL_PROXY, // Originally defined by Ledger
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PROTOCOL_COLD, // Originally defined by Trezor
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};
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/* ======================================================================= */
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/* SETUP/TEARDOWN */
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/* ======================================================================= */
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virtual bool set_name(const std::string &name) = 0;
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virtual const std::string get_name() const = 0;
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virtual bool init(void) = 0;
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virtual bool release() = 0;
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virtual bool connect(void) = 0;
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virtual bool disconnect(void) = 0;
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virtual bool set_mode(device_mode mode) { this->mode = mode; return true; }
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virtual device_mode get_mode() const { return mode; }
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virtual device_type get_type() const = 0;
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virtual device_protocol_t device_protocol() const { return PROTOCOL_DEFAULT; };
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virtual void set_callback(i_device_callback * callback) {};
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virtual void set_derivation_path(const std::string &derivation_path) {};
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virtual void set_pin(const epee::wipeable_string & pin) {}
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virtual void set_passphrase(const epee::wipeable_string & passphrase) {}
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/* ======================================================================= */
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/* LOCKER */
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/* ======================================================================= */
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virtual void lock(void) = 0;
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virtual void unlock(void) = 0;
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virtual bool try_lock(void) = 0;
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/* ======================================================================= */
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/* WALLET & ADDRESS */
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/* ======================================================================= */
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virtual bool get_public_address(cryptonote::account_public_address &pubkey) = 0;
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virtual bool get_secret_keys(crypto::secret_key &viewkey , crypto::secret_key &spendkey) = 0;
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virtual bool generate_chacha_key(const cryptonote::account_keys &keys, crypto::chacha_key &key, uint64_t kdf_rounds) = 0;
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/* ======================================================================= */
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/* SUB ADDRESS */
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/* ======================================================================= */
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virtual 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) = 0;
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virtual crypto::public_key get_subaddress_spend_public_key(const cryptonote::account_keys& keys, const cryptonote::subaddress_index& index) = 0;
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virtual std::vector<crypto::public_key> get_subaddress_spend_public_keys(const cryptonote::account_keys &keys, uint32_t account, uint32_t begin, uint32_t end) = 0;
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virtual cryptonote::account_public_address get_subaddress(const cryptonote::account_keys& keys, const cryptonote::subaddress_index &index) = 0;
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virtual crypto::secret_key get_subaddress_secret_key(const crypto::secret_key &sec, const cryptonote::subaddress_index &index) = 0;
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virtual crypto::secret_key get_subaddress_view_secret_key(const crypto::secret_key &sec, const cryptonote::subaddress_index &index) = 0;
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/* ======================================================================= */
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/* DERIVATION & KEY */
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/* ======================================================================= */
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virtual bool verify_keys(const crypto::secret_key &secret_key, const crypto::public_key &public_key) = 0;
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virtual bool scalarmultKey(rct::key & aP, const rct::key &P, const rct::key &a) = 0;
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virtual bool scalarmultBase(rct::key &aG, const rct::key &a) = 0;
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virtual bool sc_secret_add( crypto::secret_key &r, const crypto::secret_key &a, const crypto::secret_key &b) = 0;
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virtual 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) = 0;
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virtual bool generate_key_derivation(const crypto::public_key &pub, const crypto::secret_key &sec, crypto::key_derivation &derivation) = 0;
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virtual bool conceal_derivation(crypto::key_derivation &derivation, const crypto::public_key &tx_pub_key, const std::vector<crypto::public_key> &additional_tx_pub_keys, const crypto::key_derivation &main_derivation, const std::vector<crypto::key_derivation> &additional_derivations) = 0;
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virtual bool derivation_to_scalar(const crypto::key_derivation &derivation, const size_t output_index, crypto::ec_scalar &res) = 0;
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virtual 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) = 0;
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virtual 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) = 0;
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virtual bool secret_key_to_public_key(const crypto::secret_key &sec, crypto::public_key &pub) = 0;
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virtual bool generate_key_image(const crypto::public_key &pub, const crypto::secret_key &sec, crypto::key_image &image) = 0;
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// alternative prototypes available in libringct
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rct::key scalarmultKey(const rct::key &P, const rct::key &a)
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{
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rct::key aP;
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scalarmultKey(aP, P, a);
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return aP;
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}
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rct::key scalarmultBase(const rct::key &a)
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{
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rct::key aG;
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scalarmultBase(aG, a);
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return aG;
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}
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/* ======================================================================= */
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/* TRANSACTION */
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/* ======================================================================= */
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virtual void generate_tx_proof(const crypto::hash &prefix_hash,
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const crypto::public_key &R, const crypto::public_key &A, const boost::optional<crypto::public_key> &B, const crypto::public_key &D, const crypto::secret_key &r,
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crypto::signature &sig) = 0;
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virtual bool open_tx(crypto::secret_key &tx_key) = 0;
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virtual void get_transaction_prefix_hash(const cryptonote::transaction_prefix& tx, crypto::hash& h) = 0;
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virtual bool encrypt_payment_id(crypto::hash8 &payment_id, const crypto::public_key &public_key, const crypto::secret_key &secret_key) = 0;
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bool decrypt_payment_id(crypto::hash8 &payment_id, const crypto::public_key &public_key, const crypto::secret_key &secret_key)
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{
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// Encryption and decryption are the same operation (xor with a key)
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return encrypt_payment_id(payment_id, public_key, secret_key);
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}
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virtual rct::key genCommitmentMask(const rct::key &amount_key) = 0;
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virtual bool ecdhEncode(rct::ecdhTuple & unmasked, const rct::key & sharedSec, bool short_amount) = 0;
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virtual bool ecdhDecode(rct::ecdhTuple & masked, const rct::key & sharedSec, bool short_amount) = 0;
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virtual bool generate_output_ephemeral_keys(const size_t tx_version, const cryptonote::account_keys &sender_account_keys, const crypto::public_key &txkey_pub, const crypto::secret_key &tx_key,
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const cryptonote::tx_destination_entry &dst_entr, const boost::optional<cryptonote::account_public_address> &change_addr, const size_t output_index,
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const bool &need_additional_txkeys, const std::vector<crypto::secret_key> &additional_tx_keys,
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std::vector<crypto::public_key> &additional_tx_public_keys,
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std::vector<rct::key> &amount_keys,
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crypto::public_key &out_eph_public_key) = 0;
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virtual 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) = 0;
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virtual bool mlsag_prepare(const rct::key &H, const rct::key &xx, rct::key &a, rct::key &aG, rct::key &aHP, rct::key &rvII) = 0;
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virtual bool mlsag_prepare(rct::key &a, rct::key &aG) = 0;
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virtual bool mlsag_hash(const rct::keyV &long_message, rct::key &c) = 0;
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virtual 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) = 0;
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virtual bool clsag_prepare(const rct::key &p, const rct::key &z, rct::key &I, rct::key &D, const rct::key &H, rct::key &a, rct::key &aG, rct::key &aH) = 0;
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virtual bool clsag_hash(const rct::keyV &data, rct::key &hash) = 0;
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virtual bool clsag_sign(const rct::key &c, const rct::key &a, const rct::key &p, const rct::key &z, const rct::key &mu_P, const rct::key &mu_C, rct::key &s) = 0;
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virtual bool close_tx(void) = 0;
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virtual bool has_ki_cold_sync(void) const { return false; }
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virtual bool has_tx_cold_sign(void) const { return false; }
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virtual bool has_ki_live_refresh(void) const { return true; }
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virtual bool compute_key_image(const cryptonote::account_keys& ack, const crypto::public_key& out_key, const crypto::key_derivation& recv_derivation, size_t real_output_index, const cryptonote::subaddress_index& received_index, cryptonote::keypair& in_ephemeral, crypto::key_image& ki) { return false; }
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virtual void computing_key_images(bool started) {};
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virtual void set_network_type(cryptonote::network_type network_type) { }
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virtual void display_address(const cryptonote::subaddress_index& index, const boost::optional<crypto::hash8> &payment_id) {}
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protected:
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device_mode mode;
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} ;
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struct reset_mode {
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device& hwref;
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reset_mode(hw::device& dev) : hwref(dev) { }
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~reset_mode() { hwref.set_mode(hw::device::NONE);}
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};
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class device_registry {
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private:
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std::map<std::string, std::unique_ptr<device>> registry;
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public:
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device_registry();
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bool register_device(const std::string & device_name, device * hw_device);
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device& get_device(const std::string & device_descriptor);
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};
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device& get_device(const std::string & device_descriptor);
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bool register_device(const std::string & device_name, device * hw_device);
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}
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