Sep 5, 2019
Implementing End-to-End encryption in Bear App
Bear with us! 🐻 The latest release of a popular note-taking app Bear contains a new feature — end-to-end encryption of user notes. Cossack Labs team worked closely with the amazing Bear team to help deliver this feature. We are rarely allowed to disclose the details of our custom engineering work, but Bear team was awesome enough to let us highlight some important aspects of work done for them. This is a technical article about the encryption scheme, key management process, and usability features behind this update.
Dec 13, 2017
Hermes by Cossack Labs Cossack Labs release a proof of concept version of Hermes — a framework for cryptographically assured access control and data security. A PoC reference implementation of Hermes is Hermes-core 0.5.1, the source code and accompanying documentation of which become available on December 13, 2017. What is Hermes Hermes is a cryptography-based method of providing protected data storage and sharing that allows enforcing cryptographically checked CRUD permissions to data blocks and doesn't let server that's running Hermes do anything worse than DoS.
Mar 17, 2016