---
title: "About backdoors in Signal App"
date: 2017-01-21T08:54:00+06:00
draft: false
tags: ["data privacy","encryption","signal app","instant messenger"]
author: "Olivier Falcoz"
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---
> … or why it’s useless to have the most secure crypto system in the world, when using non-free and untrustworthy tools and libraries to implement it.
>
> tl;dr: There is a “backdoor” in Signal nobody cares about, only Google can use it.
>
> -- [~ larma/blog](https://blogs.fsfe.org/larma/2017/signal-backdoors/)