Blog

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 cryptography infographic applied security howto Android development

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21 Apr 2016

Building Sesto, in-browser password manager

Sesto is one of PoC tools we've developed while working on WebThemis - the cryptographically sane front-end framework for Google Chrome. Sesto enables web users to store any secrets (for example, login credentials) on the server and use them from any computer that has Google Chrome installed. 

Themis PNaCl cryptography Python Web

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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.

Themis development cryptography Secure Comparator

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30 Mar 2016

Crypto in iOS: Choose your destiny (Infographic)

This blog post features infographic on how to choose crypto when developing iOS apps. It's always useful to put tool choice in context of causes (goals) and effects. This is what we've tried to do in this post. 

Themis cryptography infographic iOS applied security howto development

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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 cryptography Python howto end-to-end encryption development PNaCl Web

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