Feb 23, 2024  
2023-2024 Official General Catalog 
2023-2024 Official General Catalog

CST 262 - Cryptographic Systems

This course provides a detailed exposure to the many different cryptographic techniques and systems employed in secure transmission and storage of data.  Symmetric versus asymmetric encryption and decryption, the importance of key length and algorithm complexity, and applications for encryption and hashing are presented.  The characteristics of secure web transactions, including VPN tunnels, secure email, secure FTP, and secure telnet, as well as the various security protocols, are also covered.

Prerequisite- Corequisite
Prerequisite:  MAT 124 Statistics I or MAT 130 Applied Algebra and Trigonometry or higher

Credits: 3
2 Class Hours, 2 Laboratory Hours
Course Profile
Learning Outcomes of the Course:

Upon successful completion of this course the student will be able to:

  1. Use the necessary mathematical operations required of symmetric and asymmetric algorithms.
  2. Describe the operation of DES, 3DES, and AES cryptosystems.
  3. Explain the operation of RSA, ElGamal, and Elliptic curve cryptosystems.
  4. Understand how message integrity and authentication are performed.
  5. Be familiar with MD5 and SHA hashing and where it is used.
  6. Send and receive secure email using PGP and S/MIME.
  7. Demonstrate the use of transport layer and network layer security.