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handlers.rs
save_and_load_private_key_file_ewif.py 2.38 KiB
"""
Copyright 2014-2020 Vincent Texier <vit@free.fr>
DuniterPy 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.
DuniterPy 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/>.
"""
from duniterpy.key import SigningKey
import getpass
import os
import sys
if "XDG_CONFIG_HOME" in os.environ:
home_path = os.environ["XDG_CONFIG_HOME"]
elif "HOME" in os.environ:
home_path = os.environ["HOME"]
elif "APPDATA" in os.environ:
home_path = os.environ["APPDATA"]
else:
home_path = os.path.dirname(__file__)
# CONFIG #######################################
# WARNING : Hide this file in a safe and secure place
# If one day you forget your credentials,
# you'll have to use one of your private keys instead
PRIVATE_KEY_FILE_PATH = os.path.join(home_path, ".duniter_account_ewif_v1.duniterkey")
################################################
# prompt hidden user entry
salt = getpass.getpass("Enter your passphrase (salt): ")
# prompt hidden user entry
password = getpass.getpass("Enter your password: ")
# prompt public key
pubkey = input("Enter your public key: ")
# init signer instance
signer = SigningKey.from_credentials(salt, password)
# check public key
if signer.pubkey != pubkey:
print("Bad credentials!")
sys.exit(1)
# prompt hidden user entry
ewif_password = getpass.getpass("Enter an encryption password: ")
# save private key in a file (EWIF v1 format)
signer.save_ewif_file(PRIVATE_KEY_FILE_PATH, ewif_password)
# document saved
print(
"Private key for public key %s saved in %s" % (signer.pubkey, PRIVATE_KEY_FILE_PATH)
)
try:
# load private keys from file
loaded_signer = SigningKey.from_ewif_file(
PRIVATE_KEY_FILE_PATH, ewif_password
) # type: SigningKey
# check public key from file
print(
"Public key %s loaded from file %s"
% (loaded_signer.pubkey, PRIVATE_KEY_FILE_PATH)
)
except IOError as error:
print(error)
sys.exit(1)
sys.exit(0)