Applied cryptography, security protocols, research, and audits.
Building high level API libraries and usable encryption solutions.
Confidentiality is a very valuable asset - Cotech protects it. We provide end-to-end encryption solutions for mobile devices that provide revocable access to confidential data for companies and individuals. Our design concepts follows usablity on all layers: It is end user and developer friendly.
In the beginning there was OpenKeychain, the most widely used OpenPGP implementation for Android. It has been financially supported by the Google Summer of Code program as well as the Open Technology Fund. The software quality has been verified in an external security audit. Now, Cotech - Confidential Technologies GmbH is leading the development.
Cotech relies on open-source software. We believe in free and open solutions. Software must be verifiable and documented. We believe in decentralized message exchange and usable security solutions. This is why we are participating in the Autocrypt project.