python-trezor/trezorlib/debuglink.py
2013-09-13 05:37:23 +02:00

48 lines
1.4 KiB
Python

import trezor_pb2 as proto
from transport import NotImplementedException
def pin_info(pin):
print "Device asks for PIN %s" % pin
def button_press(yes_no):
print "User pressed", '"y"' if yes_no else '"n"'
class DebugLink(object):
def __init__(self, transport, pin_func=pin_info, button_func=button_press):
self.transport = transport
self.pin_func = pin_func
self.button_func = button_func
def read_pin(self):
self.transport.write(proto.DebugLinkGetState(pin=True, matrix=True))
obj = self.transport.read_blocking()
print "Read PIN:", obj.pin
print "Read matrix:", obj.matrix
return (obj.pin, obj.matrix)
def read_pin_encoded(self):
pin, matrix = self.read_pin()
# Now we have real PIN and PIN matrix.
# We have to encode that into encoded pin,
# because application must send back positions
# on keypad, not a real PIN.
pin_encoded = ''.join([ str(matrix.index(p) + 1) for p in pin])
print "Encoded PIN:", pin_encoded
self.pin_func(pin_encoded)
return pin_encoded
def press_button(self, yes_no):
print "Pressing", yes_no
self.button_func(yes_no)
self.transport.write(proto.DebugLinkDecision(yes_no=yes_no))
def press_yes(self):
self.press_button(True)
def press_no(self):
self.press_button(False)