discmath.pdf # (Sets and functions) [Compulsory]
soludismath.pdf # (Sample solutions to the "Pause and Think" questions)
modulon.pdf # (The modulo arithmetic) [Compulsory]
history1.pdf # (History of cryptography: Part I) [Optional]
history2.pdf # (History of cryptography: Part II) [Optional]
readdes.pdf # (The Data Encryption Standard in deatil) [Optional -- for those who want to learn more]
confdiffu.pdf # (Shannon's confusion and difusion) [Optional -- for those who want to learn more]
aesaux.pdf # (Design of block ciphers)
AES.pdf # (The Advanced Encryption Standard) [Optional -- for those who want to learn more]
ideapki.ppt Pictorial presentation of the idea of public key cryptography
Radix-64.pdf # (Radix-64 conversion)
IBE.pdf # (identity based encryption)
Tutorials on Computer Security (high-level presentation)