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April 9, 2018 19:25
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An example I am working on to use openssl via subprocess from Python
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#!/usr/bin/env python | |
# -*- coding: utf-8 -*- | |
""" | |
Simple example of calling openSSL from python. Also with base64 set since I | |
will want to store in a text file | |
""" | |
from __future__ import print_function, unicode_literals | |
import subprocess | |
import shlex | |
textin = u'can you see me? What about Ûńįç°dė' | |
def encrypt(data,password): | |
cmd = u'openssl des3 -salt -base64 -pass pass:' + password | |
# Encode it to bytes | |
# cmd = cmd.encode('utf8') | |
proc = subprocess.Popen(shlex.split(cmd), | |
stdin=subprocess.PIPE, | |
stdout=subprocess.PIPE, | |
stderr=subprocess.PIPE) | |
out,err = proc.communicate(data) | |
return out | |
def decrypt(encrypted,password): | |
cmd = u'openssl des3 -d -salt -base64 -pass pass:' + password | |
# Encode it to bytes | |
# cmd = cmd.encode('utf8') | |
proc = subprocess.Popen(shlex.split(cmd), | |
stdin=subprocess.PIPE, | |
stdout=subprocess.PIPE, | |
stderr=subprocess.PIPE) | |
out,err = proc.communicate(encrypted) | |
return out | |
udata = textin.encode('utf8') | |
password='1234' | |
edata = encrypt(udata,password) | |
# Just for example if storing/writing to a text file | |
etext = edata.decode('ascii') | |
edata = etext.encode('ascii') | |
ddata = decrypt(edata,password) | |
textout = ddata.decode('utf8') | |
print('textin:',textin) | |
print('udata:',udata) | |
print('edata:',edata) | |
print('ddata:',ddata) | |
print('textout:',textout) | |
print('textin == textout:',textin == textout) |
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Updated this to send the data via
communicate()