Browsing Theses and Dissertations (School of Computing) by Subject "Data encryption (Computer science)"

Now showing items 1-2 of 2

Internet-based electronic payment systems

Kortekaas, Birgit Friederike (2009-08-25)

As today, the traditional payment systems of cash, cheques and credit cards are being supplemented by electronic cheques, electronic credit card-based systems, and token-based systems, online security is of utmost ...
Universal homophonic coding

Stevens, Charles Cater (1996-11)

Redundancy in plaintext is a fertile source of attack in any encryption system. Compression before encryption reduces the redundancy in the plaintext, but this does not make a cipher more secure. The cipher text is still ...

Search UnisaIR