git / moonbite-core / share/rpcauth/rpcauth.py · raw

#!/usr/bin/env python3# Copyright (c) 2015-2018 The Bitcoin Core developers# Distributed under the MIT software license, see the accompanying# file COPYING or http://www.opensource.org/licenses/mit-license.php.from argparse import ArgumentParserfrom base64 import urlsafe_b64encodefrom binascii import hexlifyfrom getpass import getpassfrom os import urandomimport hmacdef generate_salt(size):    """Create size byte hex salt"""    return hexlify(urandom(size)).decode()def generate_password():    """Create 32 byte b64 password"""    return urlsafe_b64encode(urandom(32)).decode('utf-8')def password_to_hmac(salt, password):    m = hmac.new(bytearray(salt, 'utf-8'), bytearray(password, 'utf-8'), 'SHA256')    return m.hexdigest()def main():    parser = ArgumentParser(description='Create login credentials for a JSON-RPC user')    parser.add_argument('username', help='the username for authentication')    parser.add_argument('password', help='leave empty to generate a random password or specify "-" to prompt for password', nargs='?')    args = parser.parse_args()    if not args.password:        args.password = generate_password()    elif args.password == '-':        args.password = getpass()    # Create 16 byte hex salt    salt = generate_salt(16)    password_hmac = password_to_hmac(salt, args.password)    print('String to be appended to litecoin.conf:')    print('rpcauth={0}:{1}${2}'.format(args.username, salt, password_hmac))    print('Your password:\n{0}'.format(args.password))if __name__ == '__main__':    main()