$ python otp.py -h
usage: otp.py [-h] [-v] -c CHARSETFILE -k KEYFILE [-o OFFSET] (-e | -d) TXTFILE
One-time pad
positional arguments:
TXTFILE file with text to en/decrypt. use single dash '-' to
read from stdin
optional arguments:
-h, --help show this help message and exit
-v, --verbose
-c CHARSETFILE, --charsetfile CHARSETFILE
path to charset file; pick required minimum
-k KEYFILE, --keyfile KEYFILE
path to the key file
-o OFFSET, --offset OFFSET
key offset; defaults to 0
-e encrypt
-d decrypt
# read from file & encrypt
python otp.py -c charsets/alpha_ucase.set -k my_secret_key.txt -e my_plaintext.txt
# read from stdin & encrypt
echo -n HELLO | python otp.py -c charsets/alpha_ucase.set -k my_secret_key.txt -e -The project is licensed under MIT License.