PNaCl

PNaCl

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 Python webthemis

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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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14 Mar 2016

Building LibreSSL for PNaCl

As we are still using LibreSSL as a donor for some of the cryptographic primitives, with every new architecture we have to make sure that LibreSSL compiles well. This post describes our challenges with PNaCl.

PNaCl LibreSSL cryptography OpenSSL howto webthemis

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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!

howto PNaCl cryptography usability webthemis

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