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monero/src/device/device.hpp

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Code modifications to integrate Ledger HW device into monero-wallet-cli. The basic approach it to delegate all sensitive data (master key, secret ephemeral key, key derivation, ....) and related operations to the device. As device has low memory, it does not keep itself the values (except for view/spend keys) but once computed there are encrypted (with AES are equivalent) and return back to monero-wallet-cli. When they need to be manipulated by the device, they are decrypted on receive. Moreover, using the client for storing the value in encrypted form limits the modification in the client code. Those values are transfered from one C-structure to another one as previously. The code modification has been done with the wishes to be open to any other hardware wallet. To achieve that a C++ class hw::Device has been introduced. Two initial implementations are provided: the "default", which remaps all calls to initial Monero code, and the "Ledger", which delegates all calls to Ledger device.
2018-02-20 16:01:27 +00:00
// 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.
//
Ledger HW Bug fixes Fix the way the REAL mode is handle: Let create_transactions_2 and create_transactions_from construct the vector of transactions. Then iterate on it and resign. We just need to add 'outs' list in the TX struct for that. Fix default secret keys value when DEBUG_HWDEVICE mode is off The magic value (00...00 for view key and FF..FF for spend key) was not correctly set when DEBUG_HWDEVICE was off. Both was set to 00...00. Add sub-address info in ABP map in order to correctly display destination sub-address on device Fix DEBUG_HWDEVICE mode: - Fix compilation errors. - Fix control device init in ledger device. - Add more log. Fix sub addr control Fix debug Info
2018-03-05 13:46:15 +00:00
/* Note about debug:
* To debug Device you can def the following :
* #define DEBUG_HWDEVICE
* Activate debug mechanism:
* - Add more trace
* - All computation done by device are checked by default device.
* Required IODUMMYCRYPT_HWDEVICE or IONOCRYPT_HWDEVICE for fully working
* #define IODUMMYCRYPT_HWDEVICE 1
* - It assumes sensitive data encryption is is off on device side. a XOR with 0x55. This allow Ledger Class to make check on clear value
* #define IONOCRYPT_HWDEVICE 1
* - It assumes sensitive data encryption is off on device side.
*/
Code modifications to integrate Ledger HW device into monero-wallet-cli. The basic approach it to delegate all sensitive data (master key, secret ephemeral key, key derivation, ....) and related operations to the device. As device has low memory, it does not keep itself the values (except for view/spend keys) but once computed there are encrypted (with AES are equivalent) and return back to monero-wallet-cli. When they need to be manipulated by the device, they are decrypted on receive. Moreover, using the client for storing the value in encrypted form limits the modification in the client code. Those values are transfered from one C-structure to another one as previously. The code modification has been done with the wishes to be open to any other hardware wallet. To achieve that a C++ class hw::Device has been introduced. Two initial implementations are provided: the "default", which remaps all calls to initial Monero code, and the "Ledger", which delegates all calls to Ledger device.
2018-02-20 16:01:27 +00:00
#pragma once
device: untangle cyclic depenency When #3303 was merged, a cyclic dependency chain was generated: libdevice <- libcncrypto <- libringct <- libdevice This was because libdevice needs access to a set of basic crypto operations implemented in libringct such as scalarmultBase(), while libringct also needs access to abstracted crypto operations implemented in libdevice such as ecdhEncode(). To untangle this cyclic dependency chain, this patch splits libringct into libringct_basic and libringct, where the basic crypto ops previously in libringct are moved into libringct_basic. The cyclic dependency is now resolved thanks to this separation: libcncrypto <- libringct_basic <- libdevice <- libcryptonote_basic <- libringct This eliminates the need for crypto_device.cpp and rctOps_device.cpp. Also, many abstracted interfaces of hw::device such as encrypt_payment_id() and get_subaddress_secret_key() were previously implemented in libcryptonote_basic (cryptonote_format_utils.cpp) and were then called from hw::core::device_default, which is odd because libdevice is supposed to be independent of libcryptonote_basic. Therefore, those functions were moved to device_default.cpp.
2018-03-05 07:16:30 +00:00
#include "crypto/crypto.h"
#include "crypto/chacha.h"
#include "ringct/rctTypes.h"
Code modifications to integrate Ledger HW device into monero-wallet-cli. The basic approach it to delegate all sensitive data (master key, secret ephemeral key, key derivation, ....) and related operations to the device. As device has low memory, it does not keep itself the values (except for view/spend keys) but once computed there are encrypted (with AES are equivalent) and return back to monero-wallet-cli. When they need to be manipulated by the device, they are decrypted on receive. Moreover, using the client for storing the value in encrypted form limits the modification in the client code. Those values are transfered from one C-structure to another one as previously. The code modification has been done with the wishes to be open to any other hardware wallet. To achieve that a C++ class hw::Device has been introduced. Two initial implementations are provided: the "default", which remaps all calls to initial Monero code, and the "Ledger", which delegates all calls to Ledger device.
2018-02-20 16:01:27 +00:00
#ifndef USE_DEVICE_LEDGER
#define USE_DEVICE_LEDGER 1
#endif
#if !defined(HAVE_PCSC)
#undef USE_DEVICE_LEDGER
#define USE_DEVICE_LEDGER 0
#endif
#if USE_DEVICE_LEDGER
#define WITH_DEVICE_LEDGER
#endif
device: untangle cyclic depenency When #3303 was merged, a cyclic dependency chain was generated: libdevice <- libcncrypto <- libringct <- libdevice This was because libdevice needs access to a set of basic crypto operations implemented in libringct such as scalarmultBase(), while libringct also needs access to abstracted crypto operations implemented in libdevice such as ecdhEncode(). To untangle this cyclic dependency chain, this patch splits libringct into libringct_basic and libringct, where the basic crypto ops previously in libringct are moved into libringct_basic. The cyclic dependency is now resolved thanks to this separation: libcncrypto <- libringct_basic <- libdevice <- libcryptonote_basic <- libringct This eliminates the need for crypto_device.cpp and rctOps_device.cpp. Also, many abstracted interfaces of hw::device such as encrypt_payment_id() and get_subaddress_secret_key() were previously implemented in libcryptonote_basic (cryptonote_format_utils.cpp) and were then called from hw::core::device_default, which is odd because libdevice is supposed to be independent of libcryptonote_basic. Therefore, those functions were moved to device_default.cpp.
2018-03-05 07:16:30 +00:00
// forward declaration needed because this header is included by headers in libcryptonote_basic which depends on libdevice
namespace cryptonote
{
struct account_public_address;
struct account_keys;
struct subaddress_index;
}
Code modifications to integrate Ledger HW device into monero-wallet-cli. The basic approach it to delegate all sensitive data (master key, secret ephemeral key, key derivation, ....) and related operations to the device. As device has low memory, it does not keep itself the values (except for view/spend keys) but once computed there are encrypted (with AES are equivalent) and return back to monero-wallet-cli. When they need to be manipulated by the device, they are decrypted on receive. Moreover, using the client for storing the value in encrypted form limits the modification in the client code. Those values are transfered from one C-structure to another one as previously. The code modification has been done with the wishes to be open to any other hardware wallet. To achieve that a C++ class hw::Device has been introduced. Two initial implementations are provided: the "default", which remaps all calls to initial Monero code, and the "Ledger", which delegates all calls to Ledger device.
2018-02-20 16:01:27 +00:00
namespace hw {
namespace {
//device funcion not supported
#define dfns() \
throw std::runtime_error(std::string("device function not supported: ")+ std::string(__FUNCTION__) + \
std::string(" (device.hpp line ")+std::to_string(__LINE__)+std::string(").")); \
return false;
}
Add the possibility to export private view key for fast scan. 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.
2018-03-26 10:55:48 +00:00
Code modifications to integrate Ledger HW device into monero-wallet-cli. The basic approach it to delegate all sensitive data (master key, secret ephemeral key, key derivation, ....) and related operations to the device. As device has low memory, it does not keep itself the values (except for view/spend keys) but once computed there are encrypted (with AES are equivalent) and return back to monero-wallet-cli. When they need to be manipulated by the device, they are decrypted on receive. Moreover, using the client for storing the value in encrypted form limits the modification in the client code. Those values are transfered from one C-structure to another one as previously. The code modification has been done with the wishes to be open to any other hardware wallet. To achieve that a C++ class hw::Device has been introduced. Two initial implementations are provided: the "default", which remaps all calls to initial Monero code, and the "Ledger", which delegates all calls to Ledger device.
2018-02-20 16:01:27 +00:00
class device {
Change mutex lock model to avoid dead lock and ensure locks are always released. Additional cosmetic fixes: move 'name' as protected remove unnecessary local var Fix debug log
2018-03-26 10:38:38 +00:00
protected:
std::string name;
Code modifications to integrate Ledger HW device into monero-wallet-cli. The basic approach it to delegate all sensitive data (master key, secret ephemeral key, key derivation, ....) and related operations to the device. As device has low memory, it does not keep itself the values (except for view/spend keys) but once computed there are encrypted (with AES are equivalent) and return back to monero-wallet-cli. When they need to be manipulated by the device, they are decrypted on receive. Moreover, using the client for storing the value in encrypted form limits the modification in the client code. Those values are transfered from one C-structure to another one as previously. The code modification has been done with the wishes to be open to any other hardware wallet. To achieve that a C++ class hw::Device has been introduced. Two initial implementations are provided: the "default", which remaps all calls to initial Monero code, and the "Ledger", which delegates all calls to Ledger device.
2018-02-20 16:01:27 +00:00
public:
device() {}
device(const device &hwdev) {}
virtual ~device() {}
explicit virtual operator bool() const = 0;
Add the possibility to export private view key for fast scan. 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.
2018-03-26 10:55:48 +00:00
enum device_mode {
NONE,
TRANSACTION_CREATE_REAL,
TRANSACTION_CREATE_FAKE,
TRANSACTION_PARSE
};
Code modifications to integrate Ledger HW device into monero-wallet-cli. The basic approach it to delegate all sensitive data (master key, secret ephemeral key, key derivation, ....) and related operations to the device. As device has low memory, it does not keep itself the values (except for view/spend keys) but once computed there are encrypted (with AES are equivalent) and return back to monero-wallet-cli. When they need to be manipulated by the device, they are decrypted on receive. Moreover, using the client for storing the value in encrypted form limits the modification in the client code. Those values are transfered from one C-structure to another one as previously. The code modification has been done with the wishes to be open to any other hardware wallet. To achieve that a C++ class hw::Device has been introduced. Two initial implementations are provided: the "default", which remaps all calls to initial Monero code, and the "Ledger", which delegates all calls to Ledger device.
2018-02-20 16:01:27 +00:00
/* ======================================================================= */
/* SETUP/TEARDOWN */
/* ======================================================================= */
virtual bool set_name(const std::string &name) = 0;
virtual const std::string get_name() const = 0;
virtual bool init(void) = 0;
virtual bool release() = 0;
virtual bool connect(void) = 0;
Change mutex lock model to avoid dead lock and ensure locks are always released. Additional cosmetic fixes: move 'name' as protected remove unnecessary local var Fix debug log
2018-03-26 10:38:38 +00:00
virtual bool disconnect(void) = 0;
Add the possibility to export private view key for fast scan. 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.
2018-03-26 10:55:48 +00:00
virtual bool set_mode(device_mode mode) = 0;
Change mutex lock model to avoid dead lock and ensure locks are always released. Additional cosmetic fixes: move 'name' as protected remove unnecessary local var Fix debug log
2018-03-26 10:38:38 +00:00
/* ======================================================================= */
/* LOCKER */
/* ======================================================================= */
virtual void lock(void) = 0;
virtual void unlock(void) = 0;
virtual bool try_lock(void) = 0;
Code modifications to integrate Ledger HW device into monero-wallet-cli. The basic approach it to delegate all sensitive data (master key, secret ephemeral key, key derivation, ....) and related operations to the device. As device has low memory, it does not keep itself the values (except for view/spend keys) but once computed there are encrypted (with AES are equivalent) and return back to monero-wallet-cli. When they need to be manipulated by the device, they are decrypted on receive. Moreover, using the client for storing the value in encrypted form limits the modification in the client code. Those values are transfered from one C-structure to another one as previously. The code modification has been done with the wishes to be open to any other hardware wallet. To achieve that a C++ class hw::Device has been introduced. Two initial implementations are provided: the "default", which remaps all calls to initial Monero code, and the "Ledger", which delegates all calls to Ledger device.
2018-02-20 16:01:27 +00:00
/* ======================================================================= */
/* WALLET & ADDRESS */
/* ======================================================================= */
virtual bool get_public_address(cryptonote::account_public_address &pubkey) = 0;
virtual bool get_secret_keys(crypto::secret_key &viewkey , crypto::secret_key &spendkey) = 0;
wallet: allow adjusting number of rounds for the key derivation function
2018-07-06 06:42:08 +00:00
virtual bool generate_chacha_key(const cryptonote::account_keys &keys, crypto::chacha_key &key, uint64_t kdf_rounds) = 0;
Code modifications to integrate Ledger HW device into monero-wallet-cli. The basic approach it to delegate all sensitive data (master key, secret ephemeral key, key derivation, ....) and related operations to the device. As device has low memory, it does not keep itself the values (except for view/spend keys) but once computed there are encrypted (with AES are equivalent) and return back to monero-wallet-cli. When they need to be manipulated by the device, they are decrypted on receive. Moreover, using the client for storing the value in encrypted form limits the modification in the client code. Those values are transfered from one C-structure to another one as previously. The code modification has been done with the wishes to be open to any other hardware wallet. To achieve that a C++ class hw::Device has been introduced. Two initial implementations are provided: the "default", which remaps all calls to initial Monero code, and the "Ledger", which delegates all calls to Ledger device.
2018-02-20 16:01:27 +00:00
/* ======================================================================= */
/* SUB ADDRESS */
/* ======================================================================= */
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;
device: made function prototypes consistent with pre-#3303 codebase
2018-03-05 05:24:48 +00:00
virtual crypto::public_key get_subaddress_spend_public_key(const cryptonote::account_keys& keys, const cryptonote::subaddress_index& index) = 0;
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;
virtual cryptonote::account_public_address get_subaddress(const cryptonote::account_keys& keys, const cryptonote::subaddress_index &index) = 0;
virtual crypto::secret_key get_subaddress_secret_key(const crypto::secret_key &sec, const cryptonote::subaddress_index &index) = 0;
Code modifications to integrate Ledger HW device into monero-wallet-cli. The basic approach it to delegate all sensitive data (master key, secret ephemeral key, key derivation, ....) and related operations to the device. As device has low memory, it does not keep itself the values (except for view/spend keys) but once computed there are encrypted (with AES are equivalent) and return back to monero-wallet-cli. When they need to be manipulated by the device, they are decrypted on receive. Moreover, using the client for storing the value in encrypted form limits the modification in the client code. Those values are transfered from one C-structure to another one as previously. The code modification has been done with the wishes to be open to any other hardware wallet. To achieve that a C++ class hw::Device has been introduced. Two initial implementations are provided: the "default", which remaps all calls to initial Monero code, and the "Ledger", which delegates all calls to Ledger device.
2018-02-20 16:01:27 +00:00
/* ======================================================================= */
/* DERIVATION & KEY */
/* ======================================================================= */
virtual bool verify_keys(const crypto::secret_key &secret_key, const crypto::public_key &public_key) = 0;
virtual bool scalarmultKey(rct::key & aP, const rct::key &P, const rct::key &a) = 0;
virtual bool scalarmultBase(rct::key &aG, const rct::key &a) = 0;
virtual bool sc_secret_add( crypto::secret_key &r, const crypto::secret_key &a, const crypto::secret_key &b) = 0;
device: made function prototypes consistent with pre-#3303 codebase
2018-03-05 05:24:48 +00:00
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;
Code modifications to integrate Ledger HW device into monero-wallet-cli. The basic approach it to delegate all sensitive data (master key, secret ephemeral key, key derivation, ....) and related operations to the device. As device has low memory, it does not keep itself the values (except for view/spend keys) but once computed there are encrypted (with AES are equivalent) and return back to monero-wallet-cli. When they need to be manipulated by the device, they are decrypted on receive. Moreover, using the client for storing the value in encrypted form limits the modification in the client code. Those values are transfered from one C-structure to another one as previously. The code modification has been done with the wishes to be open to any other hardware wallet. To achieve that a C++ class hw::Device has been introduced. Two initial implementations are provided: the "default", which remaps all calls to initial Monero code, and the "Ledger", which delegates all calls to Ledger device.
2018-02-20 16:01:27 +00:00
virtual bool generate_key_derivation(const crypto::public_key &pub, const crypto::secret_key &sec, crypto::key_derivation &derivation) = 0;
Fix sub-address tx scan. When additional keys was needed, the TX scan failed because the derivation data was always recomputed with the main tx_key and not the corresponding additional one. Moreover this patch avoid perf decreasing when not using HW device.
2018-04-09 14:07:11 +00:00
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;
Code modifications to integrate Ledger HW device into monero-wallet-cli. The basic approach it to delegate all sensitive data (master key, secret ephemeral key, key derivation, ....) and related operations to the device. As device has low memory, it does not keep itself the values (except for view/spend keys) but once computed there are encrypted (with AES are equivalent) and return back to monero-wallet-cli. When they need to be manipulated by the device, they are decrypted on receive. Moreover, using the client for storing the value in encrypted form limits the modification in the client code. Those values are transfered from one C-structure to another one as previously. The code modification has been done with the wishes to be open to any other hardware wallet. To achieve that a C++ class hw::Device has been introduced. Two initial implementations are provided: the "default", which remaps all calls to initial Monero code, and the "Ledger", which delegates all calls to Ledger device.
2018-02-20 16:01:27 +00:00
virtual bool derivation_to_scalar(const crypto::key_derivation &derivation, const size_t output_index, crypto::ec_scalar &res) = 0;
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;
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;
virtual bool secret_key_to_public_key(const crypto::secret_key &sec, crypto::public_key &pub) = 0;
virtual bool generate_key_image(const crypto::public_key &pub, const crypto::secret_key &sec, crypto::key_image &image) = 0;
device: made function prototypes consistent with pre-#3303 codebase
2018-03-05 05:24:48 +00:00
// alternative prototypes available in libringct
rct::key scalarmultKey(const rct::key &P, const rct::key &a)
{
rct::key aP;
scalarmultKey(aP, P, a);
return aP;
}
rct::key scalarmultBase(const rct::key &a)
{
rct::key aG;
scalarmultBase(aG, a);
return aG;
}
Code modifications to integrate Ledger HW device into monero-wallet-cli. The basic approach it to delegate all sensitive data (master key, secret ephemeral key, key derivation, ....) and related operations to the device. As device has low memory, it does not keep itself the values (except for view/spend keys) but once computed there are encrypted (with AES are equivalent) and return back to monero-wallet-cli. When they need to be manipulated by the device, they are decrypted on receive. Moreover, using the client for storing the value in encrypted form limits the modification in the client code. Those values are transfered from one C-structure to another one as previously. The code modification has been done with the wishes to be open to any other hardware wallet. To achieve that a C++ class hw::Device has been introduced. Two initial implementations are provided: the "default", which remaps all calls to initial Monero code, and the "Ledger", which delegates all calls to Ledger device.
2018-02-20 16:01:27 +00:00
/* ======================================================================= */
/* TRANSACTION */
/* ======================================================================= */
virtual bool open_tx(crypto::secret_key &tx_key) = 0;
device: made function prototypes consistent with pre-#3303 codebase
2018-03-05 05:24:48 +00:00
virtual bool encrypt_payment_id(crypto::hash8 &payment_id, const crypto::public_key &public_key, const crypto::secret_key &secret_key) = 0;
bool decrypt_payment_id(crypto::hash8 &payment_id, const crypto::public_key &public_key, const crypto::secret_key &secret_key)
{
// Encryption and decryption are the same operation (xor with a key)
return encrypt_payment_id(payment_id, public_key, secret_key);
}
Code modifications to integrate Ledger HW device into monero-wallet-cli. The basic approach it to delegate all sensitive data (master key, secret ephemeral key, key derivation, ....) and related operations to the device. As device has low memory, it does not keep itself the values (except for view/spend keys) but once computed there are encrypted (with AES are equivalent) and return back to monero-wallet-cli. When they need to be manipulated by the device, they are decrypted on receive. Moreover, using the client for storing the value in encrypted form limits the modification in the client code. Those values are transfered from one C-structure to another one as previously. The code modification has been done with the wishes to be open to any other hardware wallet. To achieve that a C++ class hw::Device has been introduced. Two initial implementations are provided: the "default", which remaps all calls to initial Monero code, and the "Ledger", which delegates all calls to Ledger device.
2018-02-20 16:01:27 +00:00
virtual bool ecdhEncode(rct::ecdhTuple & unmasked, const rct::key & sharedSec) = 0;
virtual bool ecdhDecode(rct::ecdhTuple & masked, const rct::key & sharedSec) = 0;
Ledger HW Bug fixes Fix the way the REAL mode is handle: Let create_transactions_2 and create_transactions_from construct the vector of transactions. Then iterate on it and resign. We just need to add 'outs' list in the TX struct for that. Fix default secret keys value when DEBUG_HWDEVICE mode is off The magic value (00...00 for view key and FF..FF for spend key) was not correctly set when DEBUG_HWDEVICE was off. Both was set to 00...00. Add sub-address info in ABP map in order to correctly display destination sub-address on device Fix DEBUG_HWDEVICE mode: - Fix compilation errors. - Fix control device init in ledger device. - Add more log. Fix sub addr control Fix debug Info
2018-03-05 13:46:15 +00:00
virtual 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,
const rct::key &amount_key, const crypto::public_key &out_eph_public_key) = 0;
Code modifications to integrate Ledger HW device into monero-wallet-cli. The basic approach it to delegate all sensitive data (master key, secret ephemeral key, key derivation, ....) and related operations to the device. As device has low memory, it does not keep itself the values (except for view/spend keys) but once computed there are encrypted (with AES are equivalent) and return back to monero-wallet-cli. When they need to be manipulated by the device, they are decrypted on receive. Moreover, using the client for storing the value in encrypted form limits the modification in the client code. Those values are transfered from one C-structure to another one as previously. The code modification has been done with the wishes to be open to any other hardware wallet. To achieve that a C++ class hw::Device has been introduced. Two initial implementations are provided: the "default", which remaps all calls to initial Monero code, and the "Ledger", which delegates all calls to Ledger device.
2018-02-20 16:01:27 +00:00
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;
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;
virtual bool mlsag_prepare(rct::key &a, rct::key &aG) = 0;
virtual bool mlsag_hash(const rct::keyV &long_message, rct::key &c) = 0;
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;
virtual bool close_tx(void) = 0;
} ;
Add the possibility to export private view key for fast scan. 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.
2018-03-26 10:55:48 +00:00
struct reset_mode {
device& hwref;
reset_mode(hw::device& dev) : hwref(dev) { }
~reset_mode() { hwref.set_mode(hw::device::NONE);}
};
Code modifications to integrate Ledger HW device into monero-wallet-cli. The basic approach it to delegate all sensitive data (master key, secret ephemeral key, key derivation, ....) and related operations to the device. As device has low memory, it does not keep itself the values (except for view/spend keys) but once computed there are encrypted (with AES are equivalent) and return back to monero-wallet-cli. When they need to be manipulated by the device, they are decrypted on receive. Moreover, using the client for storing the value in encrypted form limits the modification in the client code. Those values are transfered from one C-structure to another one as previously. The code modification has been done with the wishes to be open to any other hardware wallet. To achieve that a C++ class hw::Device has been introduced. Two initial implementations are provided: the "default", which remaps all calls to initial Monero code, and the "Ledger", which delegates all calls to Ledger device.
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device& get_device(const std::string device_descriptor) ;
}
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