def sign_message(self, sequence, message, password): sig = None try: message = message.encode('utf8') inputPath = self.get_derivation() + "/%d/%d" % sequence msg_hash = Hash(msg_magic(message)) inputHash = to_hexstr(msg_hash) hasharray = [] hasharray.append({'hash': inputHash, 'keypath': inputPath}) hasharray = json.dumps(hasharray) msg = ('{"sign":{"meta":"sign message", "data":%s}}' % hasharray).encode('utf8') dbb_client = self.plugin.get_client(self) if not dbb_client.is_paired(): raise Exception(_("Could not sign message.")) reply = dbb_client.hid_send_encrypt(msg) self.handler.show_message(_("Signing message ...") + "\n\n" + _("To continue, touch the Digital Bitbox's blinking light for 3 seconds.") + "\n\n" + _("To cancel, briefly touch the blinking light or wait for the timeout.")) reply = dbb_client.hid_send_encrypt(msg) # Send twice, first returns an echo for smart verification (not implemented) self.handler.finished() if 'error' in reply: raise Exception(reply['error']['message']) if 'sign' not in reply: raise Exception(_("Could not sign message.")) if 'recid' in reply['sign'][0]: # firmware > v2.1.1 sig_string = binascii.unhexlify(reply['sign'][0]['sig']) recid = int(reply['sign'][0]['recid'], 16) sig = ecc.construct_sig65(sig_string, recid, True) pubkey, compressed = ecc.ECPubkey.from_signature65(sig, msg_hash) addr = public_key_to_p2pkh(pubkey.get_public_key_bytes(compressed=compressed)) if ecc.verify_message_with_address(addr, sig, message) is False: raise Exception(_("Could not sign message")) elif 'pubkey' in reply['sign'][0]: # firmware <= v2.1.1 for recid in range(4): sig_string = binascii.unhexlify(reply['sign'][0]['sig']) sig = ecc.construct_sig65(sig_string, recid, True) try: addr = public_key_to_p2pkh(binascii.unhexlify(reply['sign'][0]['pubkey'])) if ecc.verify_message_with_address(addr, sig, message): break except Exception: continue else: raise Exception(_("Could not sign message")) except BaseException as e: self.give_error(e) return sig
def sign_message(self, sequence, message, password): sig = None try: message = message.encode('utf8') inputPath = self.get_derivation() + "/%d/%d" % sequence msg_hash = sha256d(msg_magic(message)) inputHash = to_hexstr(msg_hash) hasharray = [] hasharray.append({'hash': inputHash, 'keypath': inputPath}) hasharray = json.dumps(hasharray) msg = ('{"sign":{"meta":"sign message", "data":%s}}' % hasharray).encode('utf8') dbb_client = self.plugin.get_client(self) if not dbb_client.is_paired(): raise Exception(_("Could not sign message.")) reply = dbb_client.hid_send_encrypt(msg) self.handler.show_message(_("Signing message ...") + "\n\n" + _("To continue, touch the Digital Bitbox's blinking light for 3 seconds.") + "\n\n" + _("To cancel, briefly touch the blinking light or wait for the timeout.")) reply = dbb_client.hid_send_encrypt(msg) # Send twice, first returns an echo for smart verification (not implemented) self.handler.finished() if 'error' in reply: raise Exception(reply['error']['message']) if 'sign' not in reply: raise Exception(_("Could not sign message.")) if 'recid' in reply['sign'][0]: # firmware > v2.1.1 sig_string = binascii.unhexlify(reply['sign'][0]['sig']) recid = int(reply['sign'][0]['recid'], 16) sig = ecc.construct_sig65(sig_string, recid, True) pubkey, compressed = ecc.ECPubkey.from_signature65(sig, msg_hash) addr = public_key_to_p2pkh(pubkey.get_public_key_bytes(compressed=compressed)) if ecc.verify_message_with_address(addr, sig, message) is False: raise Exception(_("Could not sign message")) elif 'pubkey' in reply['sign'][0]: # firmware <= v2.1.1 for recid in range(4): sig_string = binascii.unhexlify(reply['sign'][0]['sig']) sig = ecc.construct_sig65(sig_string, recid, True) try: addr = public_key_to_p2pkh(binascii.unhexlify(reply['sign'][0]['pubkey'])) if ecc.verify_message_with_address(addr, sig, message): break except Exception: continue else: raise Exception(_("Could not sign message")) except BaseException as e: self.give_error(e) return sig
def test_hash(self): announce = MasternodeAnnounce.deserialize(raw_announce) expected_hash = 'a8a3dc1782191f28f613c8971709a57ee58a4d0d7a11138804f89a0b088d67d1' msg = announce.serialize_for_sig() h = bitcoin.Hash(ecc.msg_magic(msg)) h = bitcoin.hash_encode(h) self.assertEqual(expected_hash, h)
def test_hash(self): announce = MasternodeAnnounce.deserialize(raw_announce_70210) expected_hash = '5f69e59f5ea327be16e649fb6c72ed02e39ef9dae8ecb27d222419e94dcd89b7' msg = announce.serialize_for_sig() h = bitcoin.Hash(ecc.msg_magic(msg)) h = bitcoin.hash_encode(h) self.assertEqual(expected_hash, h)