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Marcel Waldvogel

Netfuture: The future is networked

  • Blog
    • Blog
    • Blockchain critique
  • Publications
  • Open Source Software
    • TLS Interposer
    • Automatic SOGo configuration for iOS (iPhone/iPad) and MacOSX
    • vcard4-ts: vCard version 4 parsing, TypeScript-style
    • fake-super: Recover rsync attributes
    • dnstemple: DNS with Templates
  • Tutorials
    • Tutorial: Cyclic Redundancy Check (CRC) Computation
      • Background: Asynchronous Serial Communications (RS-232C)
      • Parity Bits
      • Checksums
      • Intermission: Classes of errors
      • Check Digits
      • Error Correction Codes (ECC)
      • Cyclic Redundancy Check sequences (CRC): A Big Mystery?
      • CRC Hardware Operation
      • Software CRC Computation
      • Mathematical Background
      • Polynomial view
  • About
    • Deutsch
    • English
  • Weg vom Internet der (unsicheren) Dinge

    Weg vom Internet der (unsicheren) Dinge

    2017-03-30
  • Open Education Day 2017: Open Source Solutions for Schools

    Open Education Day 2017: Open Source Solutions for Schools

    /ch/open invites to the Open Education Day: Saturday, 29 April 2017 in Windisch. We present JSXC, an easy way to extend any web application into a communications hub, e.g. for learning applications.

    2017-03-19
  • SARA-Service: Langzeitverfügbarkeit und Publikation von Softwareartefakten

    SARA-Service: Langzeitverfügbarkeit und Publikation von Softwareartefakten

    2017-03-16
  • X.509 User Certificate-based Two-Factor Authentication for Web Applications

    X.509 User Certificate-based Two-Factor Authentication for Web Applications

    2017-03-14
  • MoDeNA: Enhancing User Security for Devices in Wireless Personal and Local Area Networks

    MoDeNA: Enhancing User Security for Devices in Wireless Personal and Local Area Networks

    2017-03-13
  • HomeCA: Scalable Secure IoT Network Integration

    HomeCA: Scalable Secure IoT Network Integration

    2017-03-12
  • DNSSEC made easy: Converting an existing DNS zone to Inline signing with BIND

    DNSSEC made easy: Converting an existing DNS zone to Inline signing with BIND

    DNSSEC — the security extensions to the trusty Domain Name System (DNS) upon which almost all Internet transactions rely — is often considered hard to set up. My own setup has been very dated, using complicated scripts which needed to run after every change to the zone file. There was time to change this. Modern…

    2017-03-10
  • JSXC 3.1 released: Interoperable open standards chat for any web application

    JSXC 3.1 released: Interoperable open standards chat for any web application

    With only a few lines of code, JSXC can turn any web application into a cooperation hub: Standards-compliant instant messaging, group chat, and audio/video calls suddenly are just a click away for your users. And all with security, privacy, reliability, and user-friendliness in mind. For ownCloud/Nextcloud directly in their app repositories, and not much more…

    2017-02-14
  • Federated XMPP chat (and more) with Movim: A success story

    Federated XMPP chat (and more) with Movim: A success story

    There are many reasons to be unhappy with current social media sites and chat applications. For a long time, there was no viable alternative, especially not, if you wanted usability and integration. Now there is hope, with Movim.

    2016-10-02
  • DDoS: What we can do to prevent it

    DDoS: What we can do to prevent it

    Distributed Denial of Service, DDoS for short, is the shooting star in today’s Internet nightmare gallery. Here is a quick overview over what each and everyone of us can do to prevent his. And some hints at manufacturers and researchers.

    2016-09-27
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