moth/packages/sequence/2000/.generate.py

29 lines
531 B
Python
Executable File

#! /usr/bin/python3
import random
import array
import sys
SIZE = 2048
substrate = array.array('B', (random.randrange(256) for i in range(SIZE)))
key = open('key', 'rb').read().strip()
index = array.array('H')
for i in key:
while True:
pos = random.randrange(SIZE)
if pos not in index:
break
index.append(pos)
index.append(0)
outbytes = index.tostring() + substrate
out = array.array('B', outbytes[:SIZE])
for i in range(len(key)):
out[index[i]] = key[i]
sys.stdout.buffer.write(out)