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Level 4 Diploma in Cyber Security

History of cryptography: Caesar ciphers, World War cryptographic development, modern cryptography

CYB401 · Information Technology Security — Week 7 of 16

CourseCYB401
Week7 of 16
SemesterI
TutorOnline in the course chat

This week’s topics

History of cryptography: Caesar ciphers, World War cryptographic development, modern cryptography

  1. History of cryptography: Caesar ciphers, World War cryptographic development, modern cryptography
  2. Encryption vs. hashing
  3. SHA-256, SHA-3 and MD5 hash properties

What you will be able to do

  • 4.1 Describe key historic events leading up to the development of modern cryptographic techniques.
  • 4.2 Outline basic illustrative cipher techniques.
  • 4.3 Compare encryption to hashing.

Activity

Seminar, guided reading and a short written task: describe key historic events leading up to the development of modern cryptographic techniques.

Study materials

The teaching notes, exercises and videos of this week are in the student portal. Your portal is set up as soon as you receive final acceptance, so you can open them before the semester starts.
Week 6Midterm
Course chat

Admitted students ask questions on this week’s page in the student portal: an AI assistant trained on the course answers first, and during the course’s timetabled classes Connect to your tutor brings your tutor into the chat, who may start a call if needed.

Open this week in the portal
Course plan
  • Week 1: Information and its value; confidentiality, integrity and a…
  • Week 2: Information privacy: what it is, why it matters and what ha…
  • Week 3: Risks and threats: malware, ransomware, social engineering …
  • Week 4: Cyber security models and risk assessment: access control m…
  • Week 5: Classes of vulnerability: human, software and hardware
  • Week 6: Secure system design: least privilege, defence in depth and…
  • Week 7: History of cryptography: Caesar ciphers, World War cryptogr…
  • Midterm: Midterm evaluation
  • Week 9: Encryption: symmetric (AES) and asymmetric (RSA) keys, data…
  • Week 10: Practical lab: public and private keys, digital certificate…
  • Week 11: The law and ethics: GDPR, Computer Misuse Act, Data Protect…
  • Week 12: Applying Information Technology Security in practice: case …
  • Week 13: Assignment workshop: research, planning and referencing
  • Week 14: Assignment workshop: drafting, feedback and improvement
  • Week 15: Review and coursework completion
  • Final: Final assessment and submission
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