imp questions of NS&C

1. write a brief description security attacks , services,
mechanisms. Working on model of internet work security.
2. Explain in detail classical Techniques:

(conventional Encryption model principles,
stegenography, classical

Encryption Techniques.)

3. Explain in brief detail simplified DES algorithm.
4. Explain in brief differential and linear cryptanalysis.

Explain in detail strengths of DES.

5. Explain briefly algorithms.

a. Triple DES b. I DEA c. Blowfish d. RSA algorithm e. Blowfish


7. what is meant by cryptography / cryptanalysis. ? give a brief
detail in principles

of public key cryptography ?

8. Discuss about the Key management system.
9. Explain in detail conventional principle with diagram.
10. Explain in detail public key cryptography.
11. Differentiate between conventional encryption public key
encryption cryptography.
12. What is meant by symmetric, Asymmetric key, public key, cipher
text , Encryption ,Decryption, with diagrams and definitions.
13. What is the main goal of Network security& cryptography.


Choice questions

What is meant by prime and relatively prime numbers.

Explain modular arthamatic. Fermats and eulers theorem.

Testing for primality euclids algorithm.

The Chinese remainder theorem.

Discuss logarithm.

importent qes in NS&C

  1. write a brief description security attacks , services, mechanisms. Working on model of internet work security.
  2. Explain in detail classical Techniques:

                 (conventional Encryption model  principles, stegenography, classical 

                  Encryption Techniques.)

  1. Explain in brief detail simplified DES algorithm.
  2. Explain in brief differential and linear cryptanalysis.

Explain in detail strengths of DES.

  1. Explain briefly algorithms.

a. Triple DES    b. I DEA   c. Blowfish  d. RSA  algorithm   e. Blowfish

       7.  what is meant by cryptography  / cryptanalysis. ? give a brief detail in principles 

             of  public key cryptography ?

8      Discuss about the Key management system.

9      Explain in detail conventional principle with diagram.

10 Explain in detail public key cryptography.

11 Differentiate between conventional encryption public key encryption cryptography.

12 What is meant by symmetric, Asymmetric key, public key, cipher text , Encryption ,Decryption, with diagrams and definitions.

13 What is the main goal of Network security& cryptography.

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