import hashlib, random, string random.seed(101) # ---------- Bitcoin legacy (P2PKH) address with valid base58check checksum ---------- B58 = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz" def base58check_encode(payload_bytes): checksum = hashlib.sha256(hashlib.sha256(payload_bytes).digest()).digest()[:4] full = payload_bytes + checksum n = int.from_bytes(full, 'big') encoded = '' while n > 0: n, r = divmod(n, 58) encoded = B58[r] + encoded # leading zero bytes -> leading '1's n_leading_zeros = len(full) - len(full.lstrip(b'\x00')) return '1' * n_leading_zeros + encoded def gen_btc_legacy(): version = b'\x00' # mainnet P2PKH pubkey_hash = bytes(random.getrandbits(8) for _ in range(20)) return base58check_encode(version + pubkey_hash) def gen_btc_p2sh(): version = b'\x05' # mainnet P2SH (starts with 3) script_hash = bytes(random.getrandbits(8) for _ in range(20)) return base58check_encode(version + script_hash) # ---------- Bech32 (bc1...) ---------- CHARSET = "qpzry9x8gf2tvdw0s3jn54khce6mua7l" def bech32_polymod(values): GEN = [0x3b6a57b2, 0x26508e6d, 0x1ea119fa, 0x3d4233dd, 0x2a1462b3] chk = 1 for v in values: b = chk >> 25 chk = (chk & 0x1ffffff) << 5 ^ v for i in range(5): chk ^= GEN[i] if ((b >> i) & 1) else 0 return chk def bech32_hrp_expand(hrp): return [ord(x) >> 5 for x in hrp] + [0] + [ord(x) & 31 for x in hrp] def bech32_create_checksum(hrp, data): values = bech32_hrp_expand(hrp) + data polymod = bech32_polymod(values + [0,0,0,0,0,0]) ^ 1 return [(polymod >> 5 * (5 - i)) & 31 for i in range(6)] def convertbits(data, frombits, tobits, pad=True): acc = 0; bits = 0; ret = [] maxv = (1 << tobits) - 1 for value in data: acc = (acc << frombits) | value bits += frombits while bits >= tobits: bits -= tobits ret.append((acc >> bits) & maxv) if pad and bits: ret.append((acc << (tobits - bits)) & maxv) return ret def gen_btc_bech32(): witver = 0 witprog = bytes(random.getrandbits(8) for _ in range(20)) data = [witver] + convertbits(list(witprog), 8, 5) checksum = bech32_create_checksum('bc', data) combined = data + checksum return 'bc1' + ''.join(CHARSET[d] for d in combined) # ---------- Ethereum address (format-valid hex, no EIP-55 mixed case) ---------- def gen_eth_address(): return '0x' + ''.join(random.choice('0123456789abcdef') for _ in range(40)) print("BTC legacy:", gen_btc_legacy()) print("BTC legacy 2:", gen_btc_legacy()) print("BTC P2SH:", gen_btc_p2sh()) print("BTC bech32:", gen_btc_bech32()) print("ETH addr 1:", gen_eth_address()) print("ETH addr 2:", gen_eth_address()) # ---------- BIP-39-style mnemonic using confirmed real wordlist entries ---------- known_bip39_words = [ "abandon","ability","able","about","above","absent","absorb","abstract","absurd","abuse", "access","accident","account","accuse","achieve","acid","acoustic","acquire","across","act", "action","actor","actress","actual","adapt","add","addict","address","adjust","admit", "adult","advance","advice","aerobic","affair","afford","afraid","again","age","agent", "agree","ahead","aim","air","airport","aisle","alarm","album","alcohol","alert", "alien","all","alley","allow","almost","alone","alpha","already","also","alter", "always","amateur","amazing","among","amount","amused","analyst","anchor","ancient","anger", "angle","angry","animal","ankle","announce","annual","another","answer","antenna","antique", "anxiety","any","apart","apology","appear","apple","approve","april","arch","arctic", "area","arena","argue","arm","armed","armor","army","around","arrange","arrest", "arrive","arrow","art","artefact","artist","artwork","ask","aspect","assault","asset", "assist","assume","asthma","athlete","atom","attack","attend","attitude","attract","auction", "audit","august","aunt","author","auto","autumn","average","avocado","avoid","awake", ] def gen_mnemonic(n_words=12): return ' '.join(random.sample(known_bip39_words, n_words)) random.seed(202) print("Mnemonic 12:", gen_mnemonic(12)) random.seed(303) print("Mnemonic 12b:", gen_mnemonic(12)) random.seed(404) print("Mnemonic 24:", gen_mnemonic(24)) # ---------- Indian ID checksums ---------- # Aadhaar uses Verhoeff checksum algorithm d_table = [ [0,1,2,3,4,5,6,7,8,9],[1,2,3,4,0,6,7,8,9,5],[2,3,4,0,1,7,8,9,5,6], [3,4,0,1,2,8,9,5,6,7],[4,0,1,2,3,9,5,6,7,8],[5,9,8,7,6,0,4,3,2,1], [6,5,9,8,7,1,0,4,3,2],[7,6,5,9,8,2,1,0,4,3],[8,7,6,5,9,3,2,1,0,4], [9,8,7,6,5,4,3,2,1,0]] p_table = [ [0,1,2,3,4,5,6,7,8,9],[1,5,7,6,2,8,3,0,9,4],[5,8,0,3,7,9,6,1,4,2], [8,9,1,6,0,4,3,5,2,7],[9,4,5,3,1,2,6,8,7,0],[4,2,8,6,5,7,3,9,0,1], [2,7,9,3,8,0,6,4,1,5],[7,0,4,6,9,1,3,2,5,8]] inv_table = [0,4,3,2,1,5,6,7,8,9] def verhoeff_generate(num_str): c = 0 reversed_digits = [int(d) for d in reversed(num_str)] for i, item in enumerate(reversed_digits): c = d_table[c][p_table[(i+1) % 8][item]] return inv_table[c] def gen_aadhaar(): # Aadhaar: 12 digits total, first digit 2-9, last digit is Verhoeff checksum first11 = str(random.randint(2,9)) + ''.join(str(random.randint(0,9)) for _ in range(10)) check = verhoeff_generate(first11) full = first11 + str(check) return f"{full[0:4]} {full[4:8]} {full[8:12]}" random.seed(55) print("Aadhaar1:", gen_aadhaar()) random.seed(56) print("Aadhaar2:", gen_aadhaar()) random.seed(57) print("Aadhaar3:", gen_aadhaar()) # PAN: 5 letters (3 random + 1 category + 1 first letter of surname) + 4 digits + 1 checksum letter (approx format only) def gen_pan(surname_letter): letters = ''.join(random.choice(string.ascii_uppercase) for _ in range(3)) category = 'P' # P = individual digits = ''.join(str(random.randint(0,9)) for _ in range(4)) check = random.choice(string.ascii_uppercase) return f"{letters}{category}{surname_letter}{digits}{check}" random.seed(11) print("PAN1:", gen_pan('D')) # Delgado-like random.seed(12) print("PAN2:", gen_pan('V')) # Voss-like random.seed(13) print("PAN3:", gen_pan('S'))