Web

26 Oct 2016

Why making Internet safe is everyone’s responsibility

... not the security vendors, nor government or big corporations can solely fix the current state of things. It's everybody's duty and the earlier we understand it - the better.

applied security Web

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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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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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8 Mar 2016

Building and Using Themis in PNaCl

This post outlines our experience of porting typical C/C++ library (which is obviously Themis, in our case) to PNaCl module. A few challenges, a number of interesting riddles and Themis suddenly has a new home!

Themis howto cryptography PNaCl Web

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3 Mar 2016

What's wrong with Web Cryptography

Threats you may face when implementing cryptography within your web application JS way.

applied security Themis PNaCl cryptography Web

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