Tags » Cryptography

Keeping secrets with JavaScript

With the web slowly maturing as a platform the demand for cryptography in the browser has risen, especially in a post-Snowden era. Many of us have heard about the upcoming Web Cryptography API but at the time of writing there seem to be no good introductions available. 52 more words


Linear feedback shift register

Modern ciphers are classified mainly as stream ciphers and block ciphers. LFSR is a simple method to generate a stream cipher. 

Stream ciphers are generated by adding each bit of plaintext with long generated bits called the keystream. 267 more words


Wibu bags prestigious German IT Security Award for new Blurry-Box®

Wibu-Systems, the FZI Research Center, and the Karlsruhe Institute of Technology (KIT) are the joint winners of the prestigious 5th German IT Security Award. Out of the eleven finalists that were selected from 66 applicants, the high-profile members of the jury awarded the top prize to the people of Wibu-Systems, FZI, and KIT in recognition of their work on the new Blurry-Box cryptography system, an innovative and more effective approach to protecting software against piracy, reverse engineering, tampering, industrial espionage, or sabotage. 365 more words


Adobe updates its e-reader - DRM data no longer transmitted insecurely

Adobe has published an update to its cryptographically-challenged Digital Editions 4 e-reader software.

Digital Editions lets you read eBooks, but thanks to the exigencies of Digital Rights Management (DRM), it also keeps track of a… 530 more words


The Ceaser Cipher

For my first topic on this blog I wanted to talk about the Ceaser Cipher. I feel like this is a great place to start when getting into the topic of Encryption and Cyber security. 56 more words


Zero Knowledge

Sometimes, it would be nice if you could convince somebody without having to give too much away. For example, a fast-food chain (or stockbroker) might like to secure money from investors. 945 more words


The force of "overwhelming"

The New Republic has published a film review by Yishai Schwartz under the portentous title “The Edward Snowden Documentary Accidentally Exposes His Lies”. While I generally support — and indeed, am grateful — for what Snowden has done, I am also sensitive to the problems of democratic governance raised by depending on individuals to decide that conscience commands them to break the law. 587 more words