def sign_message(self, sequence, message, password):
sig = None
try:
message = message.encode('utf8')
inputPath = self.get_derivation_prefix() + "/%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 _do_test_crypto(self, message):
G = ecc.generator()
_r = G.order()
pvk = ecdsa.util.randrange(_r)
Pub = pvk * G
pubkey_c = Pub.get_public_key_bytes(True)
#pubkey_u = point_to_ser(Pub,False)
addr_c = public_key_to_p2pkh(pubkey_c)
#print "Private key ", '%064x'%pvk
eck = ecc.ECPrivkey(number_to_string(pvk, _r))
#print "Compressed public key ", pubkey_c.encode('hex')
enc = ecc.ECPubkey(pubkey_c).encrypt_message(message)
dec = eck.decrypt_message(enc)
self.assertEqual(message, dec)
#print "Uncompressed public key", pubkey_u.encode('hex')
#enc2 = EC_KEY.encrypt_message(message, pubkey_u)
dec2 = eck.decrypt_message(enc)
self.assertEqual(message, dec2)
signature = eck.sign_message(message, True)
#print signature
eck.verify_message_for_address(signature, message)
def data(self, index, role = Qt.DisplayRole):
data = None
if not index.isValid():
return QVariant(data)
if role not in [Qt.DisplayRole, Qt.EditRole, Qt.ToolTipRole, Qt.FontRole, Qt.BackgroundRole]:
return None
mn = self.masternodes[index.row()]
i = index.column()
if i == self.ALIAS:
data = mn.alias
elif i == self.STATUS:
status = self.manager.masternode_statuses.get(mn.get_collateral_hash_str())
data = masternode_status(status)
if role == Qt.BackgroundRole:
data = QBrush(QColor(ENABLED_MASTERNODE_BG)) if data[0] else None
# Return the long description for data widget mappers.
elif role == Qt.EditRole:
data = data[2]
else:
data = data[1]
elif i == self.VIN_PREVOUT_HASH:
data = mn.vin.get('prevout_hash', '')
elif i == self.VIN_PREVOUT_N:
data = str(mn.vin.get('prevout_n', ''))
elif i == self.VIN_ADDRESS:
data = mn.vin.get('address', '')
elif i == self.VIN_VALUE:
data = str(mn.vin.get('value', ''))
elif i == self.VIN_SCRIPTSIG:
data = mn.vin.get('scriptSig', '')
elif i == self.COLLATERAL:
data = mn.collateral_key
if role in [Qt.EditRole, Qt.DisplayRole, Qt.ToolTipRole] and data:
data = bitcoin.public_key_to_p2pkh(bfh(data))
elif role == Qt.FontRole:
data = util.MONOSPACE_FONT
elif i == self.DELEGATE:
data = mn.masternode_pubkey
if role in [Qt.EditRole, Qt.DisplayRole, Qt.ToolTipRole] and data:
data = self.manager.get_delegate_privkey(data)
elif role == Qt.FontRole:
data = util.MONOSPACE_FONT
elif i == self.ADDR:
data = ''
if mn.addr.ip:
data = str(mn.addr)
elif i == self.PROTOCOL_VERSION:
data = mn.protocol_version
return QVariant(data)
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 = b'{"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 ...\r\n\r\n" \
"To continue, touch the Digital Bitbox's blinking light for 3 seconds.\r\n\r\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 = bytes([27 + int(reply['sign'][0]['recid'], 16) + 4
]) + binascii.unhexlify(reply['sign'][0]['sig'])
pk, compressed = pubkey_from_signature(sig, msg_hash)
pk = point_to_ser(pk.pubkey.point, compressed)
addr = public_key_to_p2pkh(pk)
if verify_message(addr, sig, message) is False:
raise Exception("Could not sign message")
elif 'pubkey' in reply['sign'][0]:
# firmware <= v2.1.1
for i in range(4):
sig = bytes([27 + i + 4]) + binascii.unhexlify(
reply['sign'][0]['sig'])
try:
addr = public_key_to_p2pkh(
binascii.unhexlify(reply['sign'][0]['pubkey']))
if verify_message(addr, sig, message):
break
except Exception:
continue
else:
raise Exception("Could not sign message")
except BaseException as e:
self.give_error(e)
return sig
