76 lines
1.8 KiB
Python
76 lines
1.8 KiB
Python
# standard imports
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import os
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import logging
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import sys
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import json
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import argparse
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import getpass
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# external impors
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import coincurve
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from hexathon import strip_0x
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# local imports
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from crypto_dev_signer.keystore.keyfile import (
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from_file,
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to_dict,
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)
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logging.basicConfig(level=logging.WARNING)
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logg = logging.getLogger()
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argparser = argparse.ArgumentParser()
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argparser.add_argument('-d', type=str, help='decrypt file')
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argparser.add_argument('-z', action='store_true', help='zero-length password')
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argparser.add_argument('-k', type=str, help='load key from file')
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argparser.add_argument('-v', action='store_true', help='be verbose')
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args = argparser.parse_args()
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if args.v:
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logg.setLevel(logging.DEBUG)
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mode = 'create'
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if args.d:
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mode = 'decrypt'
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pk_hex = os.environ.get('PRIVATE_KEY')
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if args.k != None:
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f = open(args.k, 'r')
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pk_hex = f.read(66)
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f.close()
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def main():
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global pk_hex
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passphrase = os.environ.get('PASSPHRASE')
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if args.z:
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passphrase = ''
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r = None
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if mode == 'decrypt':
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if passphrase == None:
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passphrase = getpass.getpass('decryption phrase: ')
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try:
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r = from_file(args.d, passphrase).hex()
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except AssertionError:
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sys.stderr.write('Invalid passphrase\n')
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sys.exit(1)
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elif mode == 'create':
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if passphrase == None:
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passphrase = getpass.getpass('encryption phrase: ')
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pk_bytes = None
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if pk_hex != None:
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pk_hex = strip_0x(pk_hex)
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pk_bytes = bytes.fromhex(pk_hex)
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else:
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pk_bytes = os.urandom(32)
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pk = coincurve.PrivateKey(secret=pk_bytes)
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o = to_dict(pk_bytes, passphrase)
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r = json.dumps(o)
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print(r)
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if __name__ == '__main__':
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main()
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