stream cipher

Selling It: Crypto Edition

Here is a crypto version of “Selling It,” a long-running back-page column in the magazine Consumer…
The Big Bug in the News: the WPA2 flaw

The big news this week is a protocol flaw in the Wireless Protected Access protocol, version…
Stream Cipher Reuse: A Graphic Example

Take a look at the following image. You should see two different ‘messages’ here. This particular…
Encrypting with XOR: A Graphic Example

The exclusive or operation – a logical function applied to binary bits, like AND, OR, and…
Stream ciphers

Whenever your browser establishes a “secure” connection to a web site, it encrypts the data. The…

Selling It: Crypto Edition