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Code modifications to integrate Ledger HW device into monero-wallet-cli.

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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.
This commit is contained in:
cslashm 2018-02-20 17:01:27 +01:00 • committed by Cédric
parent 421ab3119c
commit e745c1e38d
53 changed files with 4130 additions and 223 deletions
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3
tests/core_tests/tx_validation.cpp
View file

@ -30,6 +30,7 @@
#include "chaingen.h"
#include "tx_validation.h"
#include "device/device.hpp"
using namespace epee;
using namespace crypto;
@ -62,7 +63,7 @@ namespace
std::unordered_map<crypto::public_key, cryptonote::subaddress_index> subaddresses;
subaddresses[sender_account_keys.m_account_address.m_spend_public_key] = {0,0};
auto& out_key = reinterpret_cast<const crypto::public_key&>(src_entr.outputs[src_entr.real_output].second.dest);
generate_key_image_helper(sender_account_keys, subaddresses, out_key, src_entr.real_out_tx_key, src_entr.real_out_additional_tx_keys, src_entr.real_output_in_tx_index, in_ephemeral, img);
generate_key_image_helper(sender_account_keys, subaddresses, out_key, src_entr.real_out_tx_key, src_entr.real_out_additional_tx_keys, src_entr.real_output_in_tx_index, in_ephemeral, img, hw::get_device(("default")));
// put key image into tx input
txin_to_key input_to_key;