Category: Making

Chosen Link Collection of Bernhard R. Fischer

Videos Vortrag »OnionCat und Tors neues Kryptosystem«, #ITSecX14. Lightning Talk Projekt »Smrender«, #29C3. Vorstellung Projekt »OnionCat«, #25C3. Live-Mitschnitt einer interaktiven Videovorlesung zum Thema DNSSEC. Live-Mitschnitt einer interaktiven Videovorlesung zum Thema DNSSEC-Konfiguration.  Presentations Slides »Reverse Engineering File Formats«, #ITSecx13. Slides »OnionCat und Tor«, #itsecx14. Slides »Safe Navigation«, #27C3. Slides »Smrender«, Linux Wochen. Slides »Anonymous DNS«.  Software …

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Smrender — State of Development Report

Smrender is a powerful, flexible, and modular rule-based rendering engine for OpenStreetmap data. Its primary development goal was and still is to develop a renderer for paper nautical charts. Because of its very generic and modular software design it can be used for charts of any map style and it is also perfectly suitable for …

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Retrieve All Posts From Your WordPress Blog

WordPress is a full-featured CMS system which is used countless times throughout the Internet.  And there are many plugins available. Almost a plugin for every task you can imagine. But there is one feature that I could not find. How to download all (or a list of) articles at once. And how to create a …

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Nachhaltige Softwareprojekte im Studium

Im Rahmen des Studiums werden unzählige Projektarbeiten von einem gefordert. Manche erledigt man einfach weil es sein muss, andere wiederum sind aber sehr interessant. Leider ist es in der Regel aber so, dass fast alle diese Projekte „Eintagsfliegen“ sind: man beschäftigt sich ein, zwei Semester lang damit, baut einen „wackeligen“ Prototyp in Java oder Python …

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5 Tipps für mehr Internet-Sicherheit

Dieser Artikel beschreibt die fünf wichtigsten Dinge, die man als „normaler“ Benutzer im Umgang mit Computern und Internet tun kann, um das Maß an Sicherheit im Umgang mit dem Internet zu erhöhen. Vorgeschichte Immer wieder werde ich im Verwandten- und Freundeskreis um Hilfe gebeten, um Dinge auf ihren Systemen zu reparieren, da ich mich ja …

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A Handwriting Generator For Presentation Design

This article is about a tool which creates electronic documents with a real handwritten-like font (download link). Sometimes it is desirable to use a font which looks similar to a handwritten text. Those fonts typically are called script fonts and a quick Google search results in several million hits. Although many of them look as …

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How to Move App Data of TextSecure to New Android Device

This Howto explains how to move application data of Android apps to a new mobile device. It is explained with TextSecure as an example but should work with any other app as well. People who are paranoid in respect to security and those trying to learn something about security should read the Section »Security Considerations« …

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Crawlers Bias Server Log Stats

Search engines are regularly visiting web sites to update their index. The shorter the time between two visits the more accurate is the index. Of course, there are side effects. On one hand this increases the load and the traffic of a web server. Thus, most modern crawlers are not too aggressive to avoid too …

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p = &(*p)->next; // Learning C

Looking back on 25 years of experience in C programming I consider C still to be the queen of languages to write complex, fast, and powerful programs although there are many other powerful new languages today. C++ is even more powerful in several applications but it bears the risk for novice users who are familiar …

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Installing Skype on 64 Bit Debian Linux

Although I’m not really a friend of Skype for security and privacy reasons I am almost forced to use it because it seams to be most widely spread. Unfortunately, there are not many alternatives for simple users. Installing Skype onto a 64 Bit Linux system is not straight forward because Skype does not offer a …

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