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bitwalletrecover.py - recover compressed private keys from your bitcoin wallet. Requires python3, pycoin (https://pypi.python.org/pypi/pycoin), and base58 (https://pypi.python.org/pypi/base58).
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import re | |
import hashlib | |
import base58 | |
from pycoin.ecdsa import generator_secp256k1, public_pair_for_secret_exponent | |
def bytetohex(byteStr): | |
return ''.join( [ "%02X" % x for x in byteStr ] ).strip() | |
litecoin = [b"\x30", b"\xb0"] | |
bitcoin = [b"\x00", b"\x80"] | |
cointype = litecoin | |
walletHandle = open("C:/Users/alex/Downloads/litecoin-0.8.5.1-win32-setup/data/wallet.dat", "rb") | |
wallet = walletHandle.read() | |
privKeys=set(re.findall(b'\x70\x6F\x6F\x6C(.{52})', wallet)) | |
print("Found %d privKeys" % len(privKeys)) | |
for key in privKeys: | |
key = key[20:] | |
public_x, public_y = public_pair_for_secret_exponent(generator_secp256k1, int(bytetohex(key), 16)) | |
compressed_public_key = bytes.fromhex("%02x%064x" % (2 + (public_y & 1), public_x)) | |
#https://en.bitcoin.it/wiki/Technical_background_of_Bitcoin_addresses | |
m = hashlib.new('ripemd160') | |
m.update(hashlib.sha256(compressed_public_key).digest()) | |
ripe = m.digest() # Step 2 & 3 | |
extRipe = cointype[0] + ripe # Step 4 | |
chksum = hashlib.sha256(hashlib.sha256(extRipe).digest()).digest()[:4] # Step 5-7 | |
addr = extRipe + chksum # Step 8 | |
print("Address:", base58.b58encode(addr)) | |
# compressed wallet import format http://sourceforge.net/mailarchive/forum.php?thread_name=CAPg%2BsBhDFCjAn1tRRQhaudtqwsh4vcVbxzm%2BAA2OuFxN71fwUA%40mail.gmail.com&forum_name=bitcoin-development | |
key = cointype[1] + key + b"\x01" | |
chksum = hashlib.sha256(hashlib.sha256(key).digest()).digest()[:4] | |
addr = key + chksum # Step 8 | |
print("Private Key:", base58.b58encode(addr),"\n") | |
walletHandle.close() |
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