Hashing, Hash Function in Cryptography
Hashing: Hashing is the process through which plaintext data of any length is mapped into a unique ciphertext of fixed …
Important questions of Network Security and Cryptography
What is network security? Explain the goals of network security? 2. What are the goals of network security? 3. Discuss the classification …
Feistel Cipher Structure in Cryptography
Feistel cipher named after block cipher pioneer Horst Feistel, is a general cipher design principle. It is a design model …
Confusion and Diffusion, Avalanche Effect in Cryptography
Confusion and Diffusion: In cryptography, confusion and diffusion are two properties of the operation of a secure cipher identified by Claude …
Block Cipher and Stream Cipher
Symmetric encryption ciphers consist of two main categories: block ciphers and stream ciphers. Block and stream ciphers are two ways …
DES in Cryptography
DES stands for Data Encryption Standard. It is a symmetric-key block cipher algorithm follows Feistel structure. The data encryption standard …
Multithreading in Java
The Java Thread Model: The java programming language allows us to create a program that contains one or more parts …
User-Defined Function in C |C User-defined functions
User defined functions are defined by the user. Â C allows us to create functions according to our need. If there …
Exception Handling in Java
 Exception: An exception is an error in the program, which if handled properly the program can continue instead of …
Important Questions of JAVA
1.   What is OOP? Discuss the benefits of OOP? 2.  Write the difference between C, C++ and Java. 3.  Briefly discuss …