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# Copyright 2014-2022 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 PublicKey
# CONFIG #######################################
ENCRYPTED_MESSAGE_FILENAME = "/tmp/duniter_encrypted_message.bin"
################################################
def save_binary_encrypted_message():
# Ask public key of the recipient
pubkeyBase58 = input("Enter public key of the message recipient: ")
# Enter the message
message = input("Enter your message: ")
# Encrypt the message, only the recipient secret key will be able to decrypt the message
pubkey_instance = PublicKey(pubkeyBase58)
encrypted_message = pubkey_instance.encrypt_seal(message)
# Save encrypted message in a file
with open(ENCRYPTED_MESSAGE_FILENAME, "wb") as file_handler:
file_handler.write(encrypted_message)
print(f"Encrypted message saved in file {ENCRYPTED_MESSAGE_FILENAME}")
if __name__ == "__main__":
save_binary_encrypted_message()
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