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Add the possibility to export private view key for fast scan.

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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.
This commit is contained in:
cslashm 2018-03-26 12:55:48 +02:00
parent 100b7bc10d
commit c77d2bfaa0
7 changed files with 200 additions and 93 deletions
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23
src/device/device_ledger.hpp
View file

@ -32,7 +32,6 @@
#include <cstddef>
#include <string>
#include <mutex>
#include "device.hpp"
#include <PCSC/winscard.h>
#include <PCSC/wintypes.h>
@ -94,15 +93,21 @@ namespace hw {
DWORD length_recv;
BYTE buffer_recv[BUFFER_RECV_SIZE];
unsigned int id;
Keymap key_map;
void logCMD(void);
void logRESP(void);
unsigned int exchange(unsigned int ok=0x9000, unsigned int mask=0xFFFF);
void reset_buffer(void);
// hw running mode
device_mode mode;
// map public destination key to ephemeral destination key
Keymap key_map;
// To speed up blockchain parsing the view key maybe handle here.
crypto::secret_key viewkey;
bool has_view_key;
//extra debug
#ifdef DEBUG_HWDEVICE
device *controle_device;
#endif
@ -129,6 +134,7 @@ namespace hw {
bool connect(void) override;
bool disconnect() override;
bool set_mode(device_mode mode) override;
/* ======================================================================= */
/* LOCKER */
@ -175,8 +181,6 @@ namespace hw {
bool open_tx(crypto::secret_key &tx_key) override;
bool set_signature_mode(unsigned int sig_mode) override;
bool encrypt_payment_id(crypto::hash8 &payment_id, const crypto::public_key &public_key, const crypto::secret_key &secret_key) override;
bool ecdhEncode(rct::ecdhTuple & unmasked, const rct::key & sharedSec) override;
@ -197,10 +201,9 @@ namespace hw {
};
#ifdef DEBUG_HWDEVICE
extern crypto::secret_key viewkey;
extern crypto::secret_key spendkey;
extern crypto::secret_key dbg_viewkey;
extern crypto::secret_key dbg_spendkey;
#endif
#endif //WITH_DEVICE_LEDGER