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Pitfalls for OMEMO Implementations – Part 1: Inactive Devices
Person holding a magnifying glass onto a text book In this post I want to discuss, what can go wrong when implementing OMEMO encryption and how the pitfalls can be avoided.
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On “Clean Architecture”
Photo by Alex wong on Unsplash I’m currently reading Clean Architecture by Robert C. Martin. These are my thought so far.
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Dealing with Colors in lower Android versions
I wrote a little helper class to deal with colors in Android API levels < 26.
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Closer Look at the Double Ratchet
In this post I try to explain the Double Ratchet Algorithm that drives the cryptography behind OMEMO and Signal. This is the second part of my series about the crypto behind OMEMO.
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Shaking Hands With OMEMO: X3DH Key Exchange
In this blog post I take a detailed look at how the Extended Triple Diffie-Hellman Key Exchange (X3DH) works. This algorithm is part of the cryptography that drives OMEMO.
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Another Step to a Google-free Life
Today I * registered an account at mailbox.org * changed my mail address to username+service@mailbox.org on all the services I use * decoupled and deleted YouTube from my Google Account Yay!
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A look at Matrix.org’s OLM | MEGOLM encryption protocol
In this post I take a closer look on how matrix.org’s crypto protocols olm/megolm compare to the OMEMO protocol.
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More Languages to the F-Droid Planet?
You may know about Planet F-Droid, a feed aggregator that aims to collect the blogs of many free Android projects in one place. Currently all of the registered blogs are written in English (as is this post, so if you know someone who might be concerned by the matter below and is not able to…
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I am up to no good.
Photo by Paweł Czerwiński on Unsplash Yet another German CDU politician wants to ban Tor. How is this party
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I Love Free Software Day 2019
Today is I Love Free Software Day! Time to thank the developers of your favorite free software!