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Code Issues Releases Wiki Activity

core/xmr: authorize live refresh per passphrase (#129)

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Improves UX as the live refresh prompts were too often.
This commit is contained in:
Dušan Klinec 2019-05-13 15:27:04 +02:00 committed by Pavol Rusnak
parent 37c13a8cd5
commit 9f36c73a78
3 changed files with 19 additions and 2 deletions
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4
core/src/apps/common/cache.py
View File

@ -56,3 +56,7 @@ def clear(skip_passphrase: bool = False):
set_passphrase("") set_passphrase("")
else: else:
set_passphrase(None) set_passphrase(None)
def get_passphrase_fprint():
return _compute_state(b"", get_passphrase() or "")[:4]

9
core/src/apps/monero/__init__.py
View File

@ -4,6 +4,7 @@ from trezor.messages import MessageType
from apps.common import HARDENED from apps.common import HARDENED
CURVE = "ed25519" CURVE = "ed25519"
_LIVE_REFRESH_TOKEN = None # live-refresh permission token
def boot(): def boot():
@ -19,3 +20,11 @@ def boot():
if __debug__ and hasattr(MessageType, "DebugMoneroDiagRequest"): if __debug__ and hasattr(MessageType, "DebugMoneroDiagRequest"):
wire.add(MessageType.DebugMoneroDiagRequest, __name__, "diag") wire.add(MessageType.DebugMoneroDiagRequest, __name__, "diag")
def live_refresh_token(token=None):
global _LIVE_REFRESH_TOKEN
if token is None:
return _LIVE_REFRESH_TOKEN
else:
_LIVE_REFRESH_TOKEN = token

6
core/src/apps/monero/live_refresh.py
View File

@ -9,7 +9,8 @@ from trezor.messages.MoneroLiveRefreshStepAck import MoneroLiveRefreshStepAck
from trezor.messages.MoneroLiveRefreshStepRequest import MoneroLiveRefreshStepRequest from trezor.messages.MoneroLiveRefreshStepRequest import MoneroLiveRefreshStepRequest
from apps.common import paths from apps.common import paths
from apps.monero import CURVE, misc from apps.monero import CURVE, misc, live_refresh_token
from apps.common.cache import get_passphrase_fprint
from apps.monero.layout import confirms from apps.monero.layout import confirms
from apps.monero.xmr import crypto, key_image, monero from apps.monero.xmr import crypto, key_image, monero
from apps.monero.xmr.crypto import chacha_poly from apps.monero.xmr.crypto import chacha_poly
@ -48,7 +49,10 @@ async def _init_step(
ctx, misc.validate_full_path, keychain, msg.address_n, CURVE ctx, misc.validate_full_path, keychain, msg.address_n, CURVE
) )
passphrase_fprint = get_passphrase_fprint()
if live_refresh_token() != passphrase_fprint:
await confirms.require_confirm_live_refresh(ctx) await confirms.require_confirm_live_refresh(ctx)
live_refresh_token(passphrase_fprint)
s.creds = misc.get_creds(keychain, msg.address_n, msg.network_type) s.creds = misc.get_creds(keychain, msg.address_n, msg.network_type)