Cossack Labs
Cossack LabsSecure Comparator
23 Nov 2016
Themis 0.9.4 release
Glad to announce Themis 0.9.4! Minor changes for stable new version.
27 Jul 2016
Zero Knowledge Protocols without magic
In this post, we talk about Zero-Knowledge Proofs, tie ZKP authentication to traditional security models and help you understand better how authentication, in general, should work.
26 May 2016
Introducing Themis 0.9.3
Themis 0.9.3 released: new wrappers for Go, NodeJS, C++, Google Chrome and much more.
7 Apr 2016
Benchmarking Secure Comparator
This post summarizes our experiences of testing Secure Comparator as an authentication mechanism for HTTP.
While we were planning, designing and implementing Comparator, real infrastructure in which it has to function (letting Toughbase instances without shared trust to be able to exchange records and request personal data safely) was very far from being ready, but we wanted to understand how good it was for some practical applications. So we chose the obvious - seeing how SC could work as HTTP authentication mechanism.
11 Feb 2016
Fixing Secure Comparator
After publishing Secure Comparator paper, we've received a number of concerns from the cryptographic community about possible security breach, in case, where one of the parties is intentionally falsifying the protocol. We've adressed these concerns, and, in this blog post and paper update would like to elaborate how and why.
