123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115 |
- #!/usr/bin/env python
- #
- # mmgen = Multi-Mode GENerator, command-line Bitcoin cold storage solution
- # Copyright (C) 2013-2014 by philemon <mmgen-py@yandex.com>
- #
- # 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 <http://www.gnu.org/licenses/>.
- """
- mmgen-walletchk: Check integrity of a mmgen deterministic wallet, display
- information about it and export seed and mnemonic data
- """
- import sys
- import mmgen.config as g
- from mmgen.Opts import *
- from mmgen.util import *
- help_data = {
- 'prog_name': g.prog_name,
- 'desc': """Check integrity of an {} deterministic wallet, display
- its information, and export seed and mnemonic data.
- """.format(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
- -r, --usr-randchars= n Get 'n' characters of additional randomness from
- user (min={g.min_urandchars}, max={g.max_urandchars})
- -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
- """.format(g=g),
- 'notes': """
- Since good randomness is particularly important for incognito wallets,
- the '--usr-randchars' option is turned on by default to gather additional
- entropy from the user when one of the '--export-incog*' options is
- selected. If you fully trust your OS's random number generator and wish
- to disable this option, then specify '-r0' on the command line.
- """
- }
- opts,cmd_args = parse_opts(sys.argv,help_data)
- 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
- 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:
- if opts['usr_randchars'] == -1: opts['usr_randchars'] = g.usr_randchars_dfl
- 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, opts, "incognito wallet data")
- 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", opts, "mnemonic data")
- 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), opts, "seed data")
|