#!/usr/bin/env python # # mmgen = Multi-Mode GENerator, command-line Bitcoin cold storage solution # Copyright (C) 2013-2014 by philemon # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . """ mmgen-walletchk: Check integrity of a mmgen deterministic wallet, display information about it and export seed and mnemonic data """ import sys from mmgen.Opts import * from mmgen.util import * help_data = { 'prog_name': sys.argv[0].split("/")[-1], 'desc': """Check integrity of a %s deterministic wallet, display its information and export seed and mnemonic data."""\ % g.proj_name, 'usage': "[opts] [filename]", 'options': """ -h, --help Print this help message -d, --outdir d Specify an alternate directory 'd' for output -e, --echo-passphrase Print passphrase to screen when typing it -P, --passwd-file f Get passphrase from file 'f' -q, --quiet Suppress warnings; overwrite files without prompting -S, --stdout Print seed or mnemonic data to standard output -v, --verbose Produce more verbose output -g, --export-incog Export wallet to incognito format -X, --export-incog-hex Export wallet to incognito hexadecimal format -G, --export-incog-hidden f,o Hide incognito data in existing file 'f' at offset 'o' (comma-separated) -m, --export-mnemonic Export the wallet's mnemonic to file -s, --export-seed Export the wallet's seed to file """ } short_opts = "hd:eP:qSvgXG:ms" long_opts = "help","outdir=","echo_passphrase","passwd_file=","quiet",\ "stdout","verbose",\ "export_incog","export_incog_hex","export_incog_hidden=",\ "export_mnemonic","export_seed" opts,cmd_args = process_opts(sys.argv,help_data,short_opts,long_opts) if 'quiet' in opts: g.quiet = True if 'verbose' in opts: g.verbose = True if 'export_incog_hidden' in opts or 'export_incog_hex' in opts: opts['export_incog'] = True # Argument sanity checks and processing: check_opts(opts,long_opts) if len(cmd_args) != 1: usage(help_data) check_infile(cmd_args[0]) if 'export_mnemonic' in opts: qmsg("Exporting mnemonic data to file by user request") elif 'export_seed' in opts: qmsg("Exporting seed data to file by user request") elif 'export_incog' in opts: qmsg("Exporting wallet to incognito format by user request") incog_enc,seed_id,key_id,iv_id,preset = \ wallet_to_incog_data(cmd_args[0],opts) if "export_incog_hidden" in opts: export_to_hidden_incog(incog_enc,opts) else: seed_len = (len(incog_enc)-g.salt_len-g.aesctr_iv_len)*8 fn = "%s-%s-%s[%s,%s].%s" % ( seed_id, key_id, iv_id, seed_len, preset, g.incog_hex_ext if "export_incog_hex" in opts else g.incog_ext ) data = pretty_hexdump(incog_enc,2,8,line_nums=False) \ if "export_incog_hex" in opts else incog_enc export_to_file(fn, data, "incognito wallet data", opts) sys.exit() seed = get_seed_from_wallet(cmd_args[0], opts) if seed: qmsg("Wallet is OK") else: msg("Error opening wallet") sys.exit(2) if 'export_mnemonic' in opts: wl = get_default_wordlist() from mmgen.mnemonic import get_mnemonic_from_seed p = True if g.debug else False mn = get_mnemonic_from_seed(seed, wl, g.default_wl, print_info=p) fn = "%s.%s" % (make_chksum_8(seed).upper(), g.mn_ext) export_to_file(fn, " ".join(mn)+"\n", "mnemonic data", opts) elif 'export_seed' in opts: from mmgen.bitcoin import b58encode_pad data = col4(b58encode_pad(seed)) chk = make_chksum_6(b58encode_pad(seed)) fn = "%s.%s" % (make_chksum_8(seed).upper(), g.seed_ext) export_to_file(fn, "%s %s\n" % (chk,data), "seed data", opts)