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net
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: Using net2o 
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net2o
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\begin_layout Subtitle
reinventing the internet
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\begin_layout Author
Bernd Paysan
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\begin_layout Date
EuroForth 2016, Konstanz/Reichenau
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~~~}}}
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Outline
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Motivation
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3 years after Snowden
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What happend to change the world:
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Politics Manhatten project to find 
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the golden key
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?
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Users don't want their dick picks be watched and use DuckDuckGo and encrypted
 chat
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Software NSA backdoors have been refitted by attackers (Juniper)
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Solutions net2o starts to be increasingly usable
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net2o in a nutshell
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net2o consists of the following 6 layers (implemented bottom up):
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Path switched packets with 
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 size writing into shared memory buffers
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Ephemeral key exchange and signatures with Ed25519, 
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symmetric authenticated encryption+hash+prng with Keccak,
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symmetric block encryption with Threefish
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onion routing camouflage probably with AES
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Timing driven delay minimizing flow control
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Stack–oriented tokenized command language
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Distributed data (files) and distributed metadata (prefix hash trie)
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Apps in a sandboxed environment for displaying content
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Objectives
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net2o's design objectives are
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lightweight, fast, scalable
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easy to implement
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secure
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media capable
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works as overlay on current networks (UDP/IP), but can replace the entire
 stack
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Layer 7: Applications
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Basic Frameworks
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Basic Frameworks
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PKI Create, import, and exchange keys
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Named
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file
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copy For testing only
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Vault A container for encrypted data without metadata exposure
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DHT Query key/value pairs (keys are pubkeys or hash keys)
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Chat Instant messaging 1:1 or in chat groups
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Version
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control
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system For larger/structured content
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Sync to synchronize your computers (RSN)
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Audio/Video
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Chat Real time data streaming (RSN)
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Get it
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Get it: Debian and Android
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Debian Use the Debian package, and enter as root:
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cat >/etc/apt/sources.list.d/net2o.list <<EOF
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deb [arch=amd64,all] http://net2o.de/debian testing main
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EOF
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wget -O - https://net2o.de/bernd@net2o.de.gpg.asc | 
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apt-key add -
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aptitude update; aptitude install net2o
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Android Get Gforth from play store or 
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https://net2o.de/Gforth.apk
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Open/close (back button) Gforth if you like; then open net2o.
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Get it: Windows and macOS
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Windows Get the two current setup.exes for Gforth and net2o, and install
 them:
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http://www.complang.tuwien.ac.at/forth/gforth/Snapshots/current/gforth64.exe
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https://net2o.de/windows/net2o64.exe
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You will be asked for accepting the unsigned exes, as neither Gforth nor
 net2o are signed now
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macOS Once I got around creating a brew tap, it will be easy to install
 under Mac OS X (or whatever it is called now), too.
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Get it from Source
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From
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Source for Linux, Mac OS X, Windows (cygwin) you need:
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git automake autoconf make gcc libtool libltdl7 fossil
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you run:
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 mkdir net2o; cd net2o
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wget https://fossil.net2o.de/net2o/doc/trunk/do
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chmod +x do; ./do
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This will install some stuff and take some time (I will try to improve that).
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Try it
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Try it — Generate a Key
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Linux you run:
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n2o cmd
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keygen
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<nick>
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Enter your passphrase twice.
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Android Tap on the little nettie to start the app, it will autodetect that
 you don't have a key generated.
 Enter nick and passphrase twice.
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Try it — get a key and chat
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To get my key, search for it (32 bit is sufficient now, but easy to attack)
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keysearch
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kQusJ
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Send me an invitation
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invite @bernd
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Try to chat with me
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chat euroforth@bernd
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Aquire more keys by observing a group chat.
 List your keys with
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n2o keylist
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from within the chat.
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Change networks with your Android and watch that the chat still works.
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Leave the chat with 
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/bye
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 or Ctrl+D (back on Android)
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Try it — Vault en/decryption
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Take a file and encrypt it
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enc test.txt
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Show it's content
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cat test.txt.v2o
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\end_layout

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Sign a file with a detached signature
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sign test.txt
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Verify the signature
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verify test.txt
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Try it — Use the DVCS
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Create a directory and add a few files into it, keep a net2o instance running
 inside that directory with
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n2o cmd
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Initialize the directory
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init
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Add the files in the directory
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add *
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ci -m "My checkin message"
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and check them in
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\end_layout

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Change a file and see what has changed
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diff
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Check in the changed file
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ci -m "Second checkin"
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\end_layout

\end_deeper
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Show the commit messages
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log
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\begin_layout Section*
\start_of_appendix
Appendix
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For Further Reading
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For Further Reading
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LatexCommand bibitem
key "In20"

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\noun on
Bernd Paysan 
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net2o source repository and wiki 
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newblock
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http://fossil.net2o.de/net2o
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