def doit(refuse, *args, **kws):
tt = kws.pop('timeout', None)
dev.send_recv(CCProtocolPacker.sign_message(*args, **kws), timeout=tt)
try:
done = None
while done == None:
time.sleep(0.050)
done = dev.send_recv(CCProtocolPacker.get_signed_msg(),
timeout=tt)
assert len(done) == 2
assert refuse == None, "signing didn't fail, but expected to"
except CCUserRefused:
msg = hsm_status().last_refusal
assert refuse != None, "should not have been refused: " + msg
assert refuse in msg
def test_sign_msg_good(dev, need_keypress, master_xpub, msg, path, addr_fmt,
addr_vs_path):
msg = msg.encode('ascii')
dev.send_recv(CCProtocolPacker.sign_message(msg, path, addr_fmt=addr_fmt),
timeout=None)
need_keypress('y')
done = None
while done == None:
time.sleep(0.050)
done = dev.send_recv(CCProtocolPacker.get_signed_msg(), timeout=None)
assert len(done) == 2, done
addr, raw = done
sig = str(b64encode(raw), 'ascii').replace('\n', '')
assert 40 <= len(raw) <= 65
if addr_fmt != AF_CLASSIC:
# TODO
# - need bech32 decoder here
# - pycoin can't do signature decode
if addr_fmt & AFC_BECH32:
assert '1' in addr
return
if "'" not in path:
# check expected addr was used
mk = BIP32Node.from_wallet_key(master_xpub)
sk = mk.subkey_for_path(path[2:])
addr_vs_path(addr, path, addr_fmt)
# verify signature
assert verify_message(sk, sig, message=msg.decode('ascii')) == True
else:
# just verify signature
assert verify_message(addr, sig, message=msg.decode('ascii')) == True
def test_low_R_cases(msg, num_iter, expect, dev, set_seed_words, use_mainnet,
need_keypress):
# Thanks to @craigraw of Sparrow for this test case, copied from:
# <https://github.com/sparrowwallet/drongo/blob/master/src/test/java/com/sparrowwallet/drongo/crypto/ECKeyTest.java>
set_seed_words(
'absent essay fox snake vast pumpkin height crouch silent bulb excuse razor'
)
use_mainnet()
path = "m/44'/0'/0'/0/0" # first address, P2PKH
addr_fmt = AF_CLASSIC
#addr = dev.send_recv(CCProtocolPacker.show_address(path, addr_fmt), timeout=None)
#assert addr == '14JmU9a7SzieZNEtBnsZo688rt3mGrw6hr'
msg = msg.encode('ascii')
dev.send_recv(CCProtocolPacker.sign_message(msg, path, addr_fmt=addr_fmt),
timeout=None)
need_keypress('y')
done = None
while done == None:
time.sleep(0.050)
done = dev.send_recv(CCProtocolPacker.get_signed_msg(), timeout=None)
assert len(done) == 2, done
got_addr, raw = done
assert got_addr == '14JmU9a7SzieZNEtBnsZo688rt3mGrw6hr'
assert 40 <= len(raw) <= 65
sig = str(b64encode(raw), 'ascii').replace('\n', '')
if num_iter != 1:
# I have gotten these cases to pass, but I didn't want to keep the code
# that grinded for low R in message signing... Ok for txn signing, but
# needless delay for message signing.
raise pytest.xfail('no code')
assert sig == expect
