1) prepare down the types of attacks on encrypted message. describe them in detail.

2) What do you mean by cryptanalysis and cryptography?

3) What are the main principles of security?

4) How does simple columnar transposition work?

5) What do you mean by avalanche effect?

6) describe threat and attack.

7) prepare down any four names of substitution techniques.

8) Specify the four categories of security threads.

9) prepare down the difference between active and passive attack with ex

10) describe stream cipher and block cipher with suitable ex.