def test_bip39(self):
for [seed, exp_mnemonic, hex_seed, xprv] in VECTORS:
act_mnemonic = mnemonic_from_bytes(unhexlify(seed))
act_xkey = HDKey.from_seed(
mnemonic_to_seed(act_mnemonic, password="******"))
self.assertEqual(act_mnemonic, exp_mnemonic)
self.assertTrue(mnemonic_is_valid(act_mnemonic))
self.assertEqual(
hexlify(mnemonic_to_bytes(act_mnemonic)).decode(), seed)
self.assertEqual(act_xkey.to_base58(), xprv)
async def save_mnemonic(self):
await self.check_card(check_pin=True)
d = self.serialize_data({
"enc":
self.enc_secret,
"entropy":
bip39.mnemonic_to_bytes(self.mnemonic)
})
self.applet.save_secret(d)
self._is_key_saved = True
# check it's ok
await self.load_mnemonic()
async def save_mnemonic(self):
await self.check_card(check_pin=True)
encrypt = await self.show(
Prompt("Encrypt the secret?",
"\nIf you encrypt the secret on the card "
"it will only work with this device.\n\n"
"Otherwise it will be readable on any device "
"after you enter the PIN code.\n\n"
"Keep in mind that with encryption enabled "
"wiping the device makes the secret unusable!",
confirm_text="Yes, encrypt",
cancel_text="Keep as plain text"))
self.show_loader("Saving secret to the card...")
d = self.serialize_data(
{"entropy": bip39.mnemonic_to_bytes(self.mnemonic)},
encrypt=encrypt,
)
self.applet.save_secret(d)
self._is_key_saved = True
# check it's ok
await self.load_mnemonic()
def test_fix_checksum(self):
invalid_mnemonic = ("ghost " * 12).strip()
self.assertRaises(ValueError, mnemonic_to_bytes, invalid_mnemonic)
entropy = mnemonic_to_bytes(invalid_mnemonic, ignore_checksum=True)
valid_mnemonic = mnemonic_from_bytes(entropy)
self.assertEqual(valid_mnemonic, "ghost " * 11 + "gentle")
def fix_mnemonic(phrase):
entropy = bip39.mnemonic_to_bytes(phrase, ignore_checksum=True)
return bip39.mnemonic_from_bytes(entropy)
def fix_mnemonic(phrase):
"""Fixes checksum of invalid mnemonic"""
entropy = bip39.mnemonic_to_bytes(phrase, ignore_checksum=True)
return bip39.mnemonic_from_bytes(entropy)
def mnemonic_entered(mnemonic):
global entropy
entropy = bip39.mnemonic_to_bytes(mnemonic.strip())
ask_for_password()