When is 128-bit AES not 128-bit AES? When it's actually XOR. According to security publication Heise, numerous hardware encryption products are being misadvertised as encrypting data using 128-bit AES ...

Members can download this article in PDF format. In the last two articles, we covered the basic concepts and two basic types of cryptography. In this article, we will look at specific implementation ...

LFSRs (linear-feedback shift registers) find extensive use in cryptography. For example, the cryptographic algorithms in the GSM (Global System for Mobile communications) mobile-phone system rely on ...