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28 results

save_and_load_private_key_file.py

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  • save_and_load_private_key_file.py 2.30 KiB
    """
    Copyright  2014-2021 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_KEYS_FILE_PATH = os.path.join(home_path, ".duniter_account_private_keys.txt")
    
    ################################################
    
    def save_and_load_private_key_file():
        # 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)
    
        # save private keys in a file (json format)
        signer.save_private_key(PRIVATE_KEYS_FILE_PATH)
    
        # document saved
        print("Private keys for public key %s saved in %s" % (pubkey, PRIVATE_KEYS_FILE_PATH))
    
        # load private keys from file
        loaded_signer = SigningKey.from_private_key(PRIVATE_KEYS_FILE_PATH)  # type: SigningKey
    
        # check public key from file
        print("Public key %s loaded from file %s" % (loaded_signer.pubkey, PRIVATE_KEYS_FILE_PATH))
    
    if __name__ == "__main__":
        save_and_load_private_key_file()