Category Archives: Security/Encryption

Command Line Fu: surveillance with Raspberry Pi

Today we are building the a primitive surveillance system using a Raspberry Pi. This is our goal: Take a picture every hour -> send it as encrypted email These are the basic prerequisites: A Raspberry Pi, no matter which model. … Continue reading

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How to get a job with 70 lines of code

After my recent post How to get a job with 250 lines of code there is a new challenge available, cf. followthewhiterabbit: They kindly provide a list of words containing the building blocks of the solution as well as an “anagram … Continue reading

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Quick tip: Veracrypt on a Raspberry Pi 2 [update: Veracrypt 1.18]

My recent blog post seems to be somewhat outdated. Here is an update to install Veracrypt 1.18 on a raspberry 2 with OS Raspbian GNU/Linux 8 kernel 4.4.13. First one needs to install We assume that you downloaded VeraCrypt_1.18_Source.tar.bz2 into … Continue reading

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Setting up i2p running in a docker container

Heard of i2p? Wans to give it an try? Y not docker? Leaves your host system untouched. Can throw it away leaving no* footprint (* usual restrictions apply). Have an Dockerfile: Together with (place in same directory as the Dockerfile): … Continue reading

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Apache commons-collections vulnerability – try it at home

The commons-collections certainly belong to the most popular java libraries out there and are used by many projects and people, including me. In my opinion it is beautiful library, has a nice API, fantastic test coverage etc. In many situations … Continue reading

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TLS/SSL certificate exchange in Java

In today’s blog post, we will take a look on how to handle (somewhat self-signed) certificates in Java. 1. Example server using spring-boot Let’s set up a minimal spring-boot RESTful service. Basically a ‘Hello world’-type one. Nothing fancy, just for … Continue reading

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Quick tip: Veracrypt on a Raspberry Pi 2

As a long-year user of Truecrypt, whenever I set up a new system, Truecrypt has been among the first pieces of Software that I install. By the time I acquired the new Raspberry 2, I was willing to give Veracrypt … Continue reading

Posted in Encryption, Security, Security/Encryption | Tagged , | 6 Comments