CSC316 Cryptography

Cryptography: most repeated questions

Questions that have come up in more than one paper, matched by what they ask rather than exact wording. Most repeated first.

  1. 3×Asked in 2082, 2081, 2078
    Explain any two modes of block cipher encryption.Answer coming5
    See the wording in each paper
  2. 3×Asked in 2082, 2080, 2079
    List the properties of hash function. Describe the algorithm for SHA 1.Answer coming10
    See the wording in each paper
  3. 2×Asked in 2081, 2078
    What is DoS attack ? Discuss about PKI trust model.Answer coming5
    See the wording in each paper
  4. 2×Asked in 2078, Model question
    Divide 3x^2 + 4x +3 by 5x +6 over GF(7).Answer coming5
    See the wording in each paper
  5. 2×Asked in 2082, 2080
    What is digital certificate? Discuss the certificate life cycle.Answer coming5
    See the wording in each paper