Cryptography | Information Technology
What does CIA stand for in the context of computer security?
List 5 general design decisions that have to be made while constructing secure systems.
Given that the substitution-box(ie S-box) is shown as below
| 00 01 10 11
00 | 0011 0100 1111 0001
01 | 1010 0110 0101 1011
10 | 1110 1101 0100 0010
11 | 0111 0000 1001 1100
what are the substitutions for the decimal numbers 12, 7, and 2
Read the paper of FIPS 197, which describes an implementation of the AES. Understand the Key Expansion algorithm shown in Figure 11.
When a cipher key is
for Nk=4, which results in
w=2b7e1516, w=28aed2a6, w=abf71588,w=09cf4f3c
what will be w, w, w, w?
Choose a topic from the following list to be the research topic of your assignment 3. Assignment 3 is a reading research project, that require a lot of reading and analysis. A report probably less than 1 page shall be given in the submission:
- Critically Reviewing DES and AES
- Understanding the Kerberos Systems and Kerberos Authentication Protocols
- Using OpenSSL to generate Digital Certificates
- What are and How to do with the security and authentication of Websites?
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