e2e encryption in weechat using libsodium.
python-3.8or newer.pynacl
N.B. I have only tested this on python3.10, but it should work with others too.
First clone the repo and symlink the python module into your weechat autoload directory:
$ git clone https://github.com/darkrenaissance/mallumo
$ cd ~/.weechat/python
$ ln -s /path/to/mallumo/mallumo/ # Note this is the inner mallumo dir
$ ln -s $(realpath mallumo/__init__.py) autoload/mallumo.pyWith this method, you can receive updates seamlessly, just by issuing
git pull.
In weechat:
/help mallumo
[python/mallumo] /mallumo gen
kex
reset
status
enable
disable
E2E encryption for private IRC messages
Quick start:
Add an E2E item to the status bar by adding '[mallumo]' to the config setting
weechat.bar.status.items. This will show if your current chat is encrypted.
Usage:
/mallumo gen [ generate a new keypair ]
/mallumo kex [ initiate an e2e encrypted session ]
/mallumo reset [-f] [ unset the public key associated to the current buffer ]
/mallumo status [ show and possibly initialize a session ]
/mallumo disable [ disable encryption for current buffer ]
/mallumo enable [ enable encryption for current buffer ]
Before exiting, do run /save in order to make sure keep any pubkeys
you have exchanged.
Basic NaCl box, no ephemeral keys, persistent sessions.
from base64 import b64encode, b64decode
from nacl.public import PublicKey, PrivateKey, Box
alice = PrivateKey.generate()
alice_sessions = {}
bob = PrivateKey.generate()
bob_sessions = {}
# Key exchange
alice_pub = f"{b64encode(alice.public_key.encode()).decode()}"
bob_pub = f"{b64encode(bob.public_key.encode()).decode()}"
send_to_bob(f"?e2e_kexreq:{alice_pub}?")
msg = bob.recv()
alice_pub = decode_kexeq(msg)
send_to_alice(f"?e2e_kexrep:{bob_pub}?")
bob_sessions["alice"] = Box(bob, alice_pub)
msg = alice.recv()
bob_pub = decode_kexrep(msg)
alice_sessions["bob"] = Box(alice, bob_pub)
enc_msg = alice_sessions["bob"].encrypt("foo")
send_to_bob(f"?e2e_msg:WW91IGJhc3RhcmQgbG1hby4gQnV5IHRoZSBkaXAhCg==?")GNU GPL version 3
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