#!/usr/bin/env python3

import pysodium
import base64
import sys

assert(len(sys.argv) > 1)

input = sys.argv[1]
ciphertext = base64.b64decode(input)

with open('./recipient_sk.raw', 'rb') as f:
	sk = f.read()

with open('./recipient_pk.raw', 'rb') as f:
	pk = f.read()

cleartext = pysodium.crypto_box_seal_open(ciphertext, pk, sk)
print(cleartext)