Bcrypt CLI

bcrypter.py

#!/usr/bin/env python3
# The bcrypt import will break if you call this file `bcrypt` or `bcrypt.py`.

import argparse
import bcrypt
import uuid

parser = argparse.ArgumentParser(description='Use bcrypt to hash a password')
parser.add_argument('password', metavar='PASS', type=str, action='store',
                    default='', nargs='?',
                    help='The password to hash (default: randomize)')
parser.add_argument('-c', '--cost',  type=int, action='store',
                   help='The cost factor', default=10)
parser.add_argument('-v', '--verbose', action='store_true',
                    help='Verbose output', default=False)

opts = parser.parse_args()
password = opts.password
verbose = opts.verbose
cost = opts.cost

if password == '':
    password = uuid.uuid4().hex
    print("Generated password " + password)

bcrypt_hash = bcrypt.hashpw(bytes(password, 'us-ascii'), bcrypt.gensalt(opts.cost))

if verbose:
    print("Password hashed with cost " + str(cost))

print(bcrypt_hash.decode('us-ascii'))