Hacking Livestream #49: Soundcard networking

Hacking Livestream #49: Soundcard networking
https://www.youtube.com/watch?v=LzypD_NaWAs

12:48 Start
14:10 What to expect today
17:24 Updates:
* KrzaQ: https://dev.krzaq.cc/
* PWNing Conference 2018: https://www.instytutpwn.pl/cfp-2018/
* Technische Hochshule: ZIP file format: https://www.thi.de/hochschule/aktuelles/einzelansicht/news/vortragsreihe-zu-aktuellen-themen-der-informatik-1/
* Total Meltdown?: http://blog.frizk.net/2018/03/total-meltdown.html
21:40 Geneva Insomni'hack: https://insomnihack.ch/?page_id=16 https://ctftime.org/event/565
22:30 "Serious Cryptography" book
23:14 Today's Mission about blockchain
24:19 Questions
28:46 Soundcard networking hardware setup
36:27 Linux Amateur Radio AX.25: https://www.tldp.org/HOWTO/AX25-HOWTO/x495.html
* Linux TUN/TAP wrapper for Python: https://github.com/montag451/pytun
* ALSA: https://github.com/larsimmisch/pyalsaaudio
* Tun/Tap interface tutorial: http://backreference.org/2010/03/26/tuntap-interface-tutorial/
39:48 Writing code
44:30 Bandwidth will be terrible
51:20 Synchronous vs. asynchronous protocols
53:35 Overview of our low-level protocol
1:07:16 10-bits encoding
1:32:05 Hi-pass filter problem
1:39:08 Decoding the received signal
2:31:06 The code that actually works with TCP tunnel (or does it? :D)
2:41:30 Questions
2:53:21 Problem fixed by Paweł Gomułka
3:01:32 Mission: https://goo.gl/VD3TtE