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OpenSSL Base64 Encoding: Binary Safe and Portable

Herewith is an example of encoding to and from base64 using OpenSSL's C library. Code presented here is both binary safe, and portable (i.e. it should work on any Posix compliant system e.g. FreeBSD and Linux).

License

The MIT License (MIT)

Copyright (c) 2013 Barry Steyn

@cmtsij
cmtsij / lottery.py
Created Oct 20, 2016
Taiwan lottery
View lottery.py
#!/usr/bin/env python
import random
l=range(1,1+49)
random.shuffle(l)
# extend 5 numbers. (49->54)
l.extend(random.sample(l[0:48],5))
# display
View xinmedia_bike.ics
BEGIN:VCALENDAR
PRODID:-//Xinmedia Inc//xinmedia_bike_ical//TW
VERSION:2.0
METHOD:PUBLISH
TZID:Asia/Taipei
COMMENT:2020-03-1601:26:47
BEGIN:VEVENT
SUMMARY:2020第11屆順風四馬200K騎福[尚未公布]
DTSTART;VALUE=DATE:20201226
DTEND;VALUE=DATE:20201227
View iface_restart
#!/bin/sh
filename=${0##*/}
usage()
{
cat<<EOF
Usage:
$filename <iface>
EOF
View gist:bf3e5489763e58f00a0009a61c6e2db1
Normal: (reponse 204)
$ wget http://connectivitycheck.gstatic.com/generate_204
--2020-06-17 00:58:49-- http://connectivitycheck.gstatic.com/generate_204
Resolving connectivitycheck.gstatic.com (connectivitycheck.gstatic.com)... 172.217.24.3, 2404:6800:4008:800::2003
Connecting to connectivitycheck.gstatic.com (connectivitycheck.gstatic.com)|172.217.24.3|:80... connected.
HTTP request sent, awaiting response... 204 No Content
2020-06-17 00:58:49 (0.00 B/s) - ‘generate_204.1’ saved [0]
KBRO hijack: (reponse 302 redirect to http://192.168.81.72/redirect/R3_CHC.php)
$ wget http://connectivitycheck.gstatic.com/generate_204