Re: XChaCha20 Python3 CLI tool

Hi all,
>
DJB's XChaCha20 stream cipher is pretty cool for Text messages (SMS),
if you have also a proper encoder for the binary output.
>
So I decided to convert my Go Code to Python3.
>
Here is the program to play with, base64 encoded.
>
$ ./xchacha20.py
Error: Incorrect number of arguments
Usage: ./xchacha20.py <keyfile> <noncefile> < infile > outfile
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XChaCha20 encryption/decryption tool
>
Arguments:
  keyfile    Path to the file containing the key in hexadecimal format
  noncefile  Path to the file containing the nonce in hexadecimal format