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hashcat/tools/bisq2hashcat.py
2022-09-16 21:40:50 +02:00

128 lines
5.4 KiB
Python

#!/usr/bin/env python
# This software is Copyright (c) 2017, Dhiru Kholia <dhiru.kholia at gmail.com>
# and it is hereby released under GPL v2 license.
#
# Major parts are borrowed from the "btcrecover" program which is,
# Copyright (C) 2014-2016 Christopher Gurnee and under GPL v2.
#
# See https://github.com/gurnec/btcrecover for details.
#
# References,
#
# https://github.com/gurnec/btcrecover/blob/master/btcrecover/btcrpass.py
#
# Updated script in order to work with Bisq wallet v1.9.5 (2022)
# Author:
# https://github.com/Banaanhangwagen
# License: MIT
import os
import sys
import base64
import binascii
# The protobuf parsing code is borrowed from btcrecover, and was
# initially automatically generated by Google's protoc utility.
# The precompiled file is shipped in protobuf/wallet_pb2.py with John.
from protobuf.wallet_pb2 import *
def process_file(filename):
bname = os.path.basename(filename)
try:
f = open(filename, "rb")
data = f.read()
except IOError:
e = sys.exc_info()[1]
sys.stderr.write("%s\n" % str(e))
return
if "wallet" in bname or b"org.bitcoin.production" in data:
# sys.stderr.write("[WARNING] Cracking .wallet files is a very slow process, try cracking the associated .key file instead!\n")
version = 3 # MultiBit Classic .wallet file
# def is_wallet_file(wallet_file) from btcrecover
wallet_file = open(filename, "rb")
wallet_file.seek(0)
is_valid_bitcoinj_wallet = False
if wallet_file.read(1) == b"\x0a": # protobuf field number 1 of type length-delimited
network_identifier_len = ord(wallet_file.read(1))
if 1 <= network_identifier_len < 128:
wallet_file.seek(2 + network_identifier_len)
c = wallet_file.read(1)
if c and c in b"\x12\x1a": # field number 2 or 3 of type length-delimited
is_valid_bitcoinj_wallet = True
if is_valid_bitcoinj_wallet:
pb_wallet = Wallet()
pb_wallet.ParseFromString(data)
if pb_wallet.encryption_type == Wallet.UNENCRYPTED:
raise ValueError("bitcoinj wallet is not encrypted")
if pb_wallet.encryption_type != Wallet.ENCRYPTED_SCRYPT_AES:
raise NotImplementedError("Unsupported bitcoinj encryption type " + str(pb_wallet.encryption_type))
if not pb_wallet.HasField("encryption_parameters"):
raise ValueError("bitcoinj wallet is missing its scrypt encryption parameters")
for key in pb_wallet.key:
if key.type in (Key.ENCRYPTED_SCRYPT_AES, Key.DETERMINISTIC_KEY) and key.HasField("encrypted_data"):
encrypted_len = len(key.encrypted_data.encrypted_private_key)
if encrypted_len == 48:
# only need the final 2 encrypted blocks (half of it padding) plus the scrypt parameters
part_encrypted_key = key.encrypted_data.encrypted_private_key[-32:]
salt = pb_wallet.encryption_parameters.salt
n = pb_wallet.encryption_parameters.n
r = pb_wallet.encryption_parameters.r
p = pb_wallet.encryption_parameters.p
encrypted_data = binascii.hexlify(part_encrypted_key).decode("ascii")
salt = binascii.hexlify(salt).decode("ascii")
sys.stdout.write("%s:$bisq$%d*%s*%s*%s*%s*%s\n" % (bname, version, n, r, p, salt, encrypted_data))
return
return
pdata = b"".join(data.split())
if len(pdata) < 64:
sys.stderr.write("%s: Short length for a bisq wallet file!\n" % bname)
return
try:
pdata = base64.b64decode(pdata[:64])
if pdata.startswith(b"Salted__"):
version = 1 # MultiBit Classic
else:
version = 2 # MultiBit HD possibly? We need more tests!
except:
version = 2 # MultiBit HD possibly?
if version == 1:
encrypted_data = pdata[16:48] # two AES blocks
salt = pdata[8:16]
encrypted_data = binascii.hexlify(encrypted_data).decode("ascii")
salt = binascii.hexlify(salt).decode("ascii")
sys.stdout.write("%s:$bisq$%d*%s*%s\n" % (bname, version, salt, encrypted_data))
return
else:
version = 2
# sanity check but not a very good one
if "wallet" not in bname and "aes" not in bname:
sys.stderr.write("%s: Make sure that this is a Bisq wallet!\n" % bname)
# two possibilities
iv = data[:16] # v0.5.0+
block_iv = data[16:32] # v0.5.0+
block_noiv = data[:16] # encrypted using hardcoded iv, < v0.5.0
iv = binascii.hexlify(iv).decode("ascii")
block_iv = binascii.hexlify(block_iv).decode("ascii")
block_noiv = binascii.hexlify(block_noiv).decode("ascii")
sys.stdout.write("%s:$bisq$%d*%s*%s*%s\n" % (bname, version, iv, block_iv, block_noiv))
return
f.close()
if __name__ == "__main__":
if len(sys.argv) < 2:
sys.stderr.write("Usage: %s [Bisq wallet file (.wallet)]\n" % sys.argv[0])
# sys.stderr.write("\nMultiBit Classic -> for a wallet named 'xyz', we need the xyz-data/key-backup/xyz*.key OR xyz-data/wallet-backup/xyz*.wallet file\n")
sys.exit(1)
for j in range(1, len(sys.argv)):
process_file(sys.argv[j])