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11 Jul 2017

Replacing OpenSSL with BoringSSL in a Complex Multi-Platform Layout

To provide better mult-platform support in Themis, we've built multi-donor support abstraction layer for cryptographic primitives, called Soter. This is the first article in a series of three that will cover our experiments with different sources of crypto primitives, this time - BoringSSL.

Android cryptography LibreSSL OpenSSL BoringSSL

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8 Mar 2017

Presenting Acra

Today we're revealing Acra: a database security suite, built to provide selective encryption and intrusion prevention for modern microservice-rich products and web apps.

products Acra

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6 Mar 2017

Importing with ctypes in Python: fighting overflows

Best cases of boring technical debt are understood when reflected properly. This post addresses a simple one: inelegant flags in core C library ended up breaking Python tests. This is no small case to us: tests breaking sometimes might end up in things seeming to work, but not really working. Not something you can afford yourself when you're doing cryptography, do you?

Themis Python

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28 Feb 2017

Plugging leaks in Go memory management

Investigating memory leaks can be fun, sometimes. Sometimes it might even teach you a few lessons in how the language you know and like actually works.

Go Acra

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30 Dec 2016

This year at Cossack Labs

Bright and full of new 2016 year insensibly came to an end. Sharing the summary of our work!

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Cossack Labs is a privately-held British company with a team of data security experts based in Kyiv, Ukraine.