Howto's and tutorials

29 May 2018

Reducing Docker Image Size for Acra

We tried out and described a few approaches to reducing the size of Docker images for the components of our database encryption proxy Acra. As a result, we found a way to reduce the container size by roughly 62 times.

howto products Docker usability Acra

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21 Sep 2016

Backend data security: Key management 101

Second article in series, Key Management 101 will talk about basic key management concepts, goals and methods to achieve them. 

backend security series howto cryptography

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15 Aug 2016

Classic backend security design patterns

In upcoming series of articles, we'll ascend from classic database security techniques to modern technologies, including some of the cutting edge research and our own experiments in the field.

backend security series howto cryptography Web

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23 May 2016

Choose your Android crypto (Infographic)

This blog post features infographic on how to choose cryptographic frameworks when developing Android apps and adds a few notes about Native/Java crypto.
 

Themis howto cryptography Android infographic

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17 Mar 2016

Building secure end-to-end webchat with Themis

While doing some protocol design for front-end clients with WebThemis services, we wanted to try it in real-world situations first: how easily could we deploy complicated cryptographic behavior into web apps? Turns out, quite easily. This post describes one of such web apps, designed to illustrate some zero-server-trust design patterns we're using in other developments. 

Themis PNaCl cryptography Python howto webthemis

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