// Copyright (c) 2017-2018, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
#include "device_default.hpp"
#include "cryptonote_basic/cryptonote_format_utils.h"
#include "ringct/rctOps.h"
namespace hw {
namespace core {
device_default::device_default() { }
device_default::~device_default() { }
/* ===================================================================== */
/* === Misc ==== */
/* ===================================================================== */
static inline unsigned char *operator &(crypto::ec_scalar &scalar) {
return &reinterpret_cast<unsigned char &>(scalar);
}
static inline const unsigned char *operator &(const crypto::ec_scalar &scalar) {
return &reinterpret_cast<const unsigned char &>(scalar);
}
/* ======================================================================= */
/* SETUP/TEARDOWN */
/* ======================================================================= */
bool device_default::set_name(const std::string &name) {
this->name = name;
return true;
}
const std::string device_default::get_name() const {
return this->name;
}
bool device_default::init(void) {
dfns();
}
bool device_default::release() {
dfns();
}
bool device_default::connect(void) {
dfns();
}
bool device_default::disconnect() {
dfns();
}
/* ======================================================================= */
/* WALLET & ADDRESS */
/* ======================================================================= */
bool device_default::generate_chacha_key(const cryptonote::account_keys &keys, crypto::chacha_key &key) {
return cryptonote::generate_chacha_key_from_secret_keys(keys, key);
}
bool device_default::get_public_address(cryptonote::account_public_address &pubkey) {
dfns();
}
bool device_default::get_secret_keys(crypto::secret_key &viewkey , crypto::secret_key &spendkey) {
dfns();
}
/* ======================================================================= */
/* SUB ADDRESS */
/* ======================================================================= */
bool device_default::derive_subaddress_public_key(const crypto::public_key &out_key, const crypto::key_derivation &derivation, const std::size_t output_index, crypto::public_key &derived_key) {
return crypto::derive_subaddress_public_key(out_key, derivation, output_index,derived_key);
}
bool device_default::get_subaddress_spend_public_key(const cryptonote::account_keys& keys, const cryptonote::subaddress_index &index, crypto::public_key &D) {
D = cryptonote::get_subaddress_spend_public_key(keys,index);
return true;
}
bool device_default::get_subaddress_spend_public_keys(const cryptonote::account_keys &keys, uint32_t account, uint32_t begin, uint32_t end, std::vector<crypto::public_key> &pkeys) {
pkeys = cryptonote::get_subaddress_spend_public_keys(keys, account, begin, end);
return true;
}
bool device_default::get_subaddress(const cryptonote::account_keys& keys, const cryptonote::subaddress_index &index, cryptonote::account_public_address &address) {
address = cryptonote::get_subaddress(keys,index);
return true;
}
bool device_default::get_subaddress_secret_key(const crypto::secret_key &a, const cryptonote::subaddress_index &index, crypto::secret_key &m) {
m = cryptonote::get_subaddress_secret_key(a,index);
return true;
}
/* ======================================================================= */
/* DERIVATION & KEY */
/* ======================================================================= */
bool device_default::verify_keys(const crypto::secret_key &secret_key, const crypto::public_key &public_key) {
return cryptonote::verify_keys(secret_key, public_key);
}
bool device_default::scalarmultKey(rct::key & aP, const rct::key &P, const rct::key &a) {
rct::scalarmultKey(aP, P,a);
return true;
}
bool device_default::scalarmultBase(rct::key &aG, const rct::key &a) {
rct::scalarmultBase(aG,a);
return true;
}
bool device_default::sc_secret_add(crypto::secret_key &r, const crypto::secret_key &a, const crypto::secret_key &b) {
sc_add(&r, &a, &b);
return true;
}
bool device_default::generate_keys(crypto::public_key &pub, crypto::secret_key &sec, const crypto::secret_key& recovery_key, bool recover, crypto::secret_key &rng) {
rng = crypto::generate_keys(pub, sec, recovery_key, recover);
return true;
}
bool device_default::generate_key_derivation(const crypto::public_key &key1, const crypto::secret_key &key2, crypto::key_derivation &derivation) {
return crypto::generate_key_derivation(key1, key2, derivation);
}
bool device_default::derivation_to_scalar(const crypto::key_derivation &derivation, const size_t output_index, crypto::ec_scalar &res){
crypto::derivation_to_scalar(derivation,output_index, res);
return true;
}
bool device_default::derive_secret_key(const crypto::key_derivation &derivation, const std::size_t output_index, const crypto::secret_key &base, crypto::secret_key &derived_key){
crypto::derive_secret_key(derivation, output_index, base, derived_key);
return true;
}
bool device_default::derive_public_key(const crypto::key_derivation &derivation, const std::size_t output_index, const crypto::public_key &base, crypto::public_key &derived_key){
return crypto::derive_public_key(derivation, output_index, base, derived_key);
}
bool device_default::secret_key_to_public_key(const crypto::secret_key &sec, crypto::public_key &pub) {
return crypto::secret_key_to_public_key(sec,pub);
}
bool device_default::generate_key_image(const crypto::public_key &pub, const crypto::secret_key &sec, crypto::key_image &image){
crypto::generate_key_image(pub, sec,image);
return true;
}
/* ======================================================================= */
/* TRANSACTION */
/* ======================================================================= */
bool device_default::open_tx(crypto::secret_key &tx_key) {
cryptonote::keypair txkey = cryptonote::keypair::generate();
tx_key = txkey.sec;
return true;
}
bool device_default::add_output_key_mapping(const crypto::public_key &Aout, const crypto::public_key &Bout, size_t real_output_index,
const rct::key &amount_key, const crypto::public_key &out_eph_public_key) {
return true;
}
bool device_default::set_signature_mode(unsigned int sig_mode) {
return true;
}
bool device_default::encrypt_payment_id(const crypto::public_key &public_key, const crypto::secret_key &secret_key, crypto::hash8 &payment_id ) {
return cryptonote::encrypt_payment_id(payment_id, public_key, secret_key);
}
bool device_default::ecdhEncode(rct::ecdhTuple & unmasked, const rct::key & sharedSec) {
rct::ecdhEncode(unmasked, sharedSec);
return true;
}
bool device_default::ecdhDecode(rct::ecdhTuple & masked, const rct::key & sharedSec) {
rct::ecdhDecode(masked, sharedSec);
return true;
}
bool device_default::mlsag_prepare(const rct::key &H, const rct::key &xx,
rct::key &a, rct::key &aG, rct::key &aHP, rct::key &II) {
rct::skpkGen(a, aG);
rct::scalarmultKey(aHP, H, a);
rct::scalarmultKey(II, H, xx);
return true;
}
bool device_default::mlsag_prepare(rct::key &a, rct::key &aG) {
rct::skpkGen(a, aG);
return true;
}
bool device_default::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) {
prehash = rct::cn_fast_hash(hashes);
return true;
}
bool device_default::mlsag_hash(const rct::keyV &toHash, rct::key &c_old) {
c_old = rct::hash_to_scalar(toHash);
return true;
}
bool device_default::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 ) {
CHECK_AND_ASSERT_THROW_MES(dsRows<=rows, "dsRows greater than rows");
CHECK_AND_ASSERT_THROW_MES(xx.size() == rows, "xx size does not match rows");
CHECK_AND_ASSERT_THROW_MES(alpha.size() == rows, "alpha size does not match rows");
CHECK_AND_ASSERT_THROW_MES(ss.size() == rows, "ss size does not match rows");
for (size_t j = 0; j < rows; j++) {
sc_mulsub(ss[j].bytes, c.bytes, xx[j].bytes, alpha[j].bytes);
}
return true;
}
bool device_default::close_tx() {
return true;
}
/* ---------------------------------------------------------- */
static device_default *default_core_device = NULL;
void register_all(std::map<std::string, std::unique_ptr<device>> ®istry) {
if (!default_core_device) {
default_core_device = new device_default();
default_core_device->set_name("default_core_device");
}
registry.insert(std::make_pair("default", std::unique_ptr<device>(default_core_device)));
}
}
}
