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 …
Eliza Begum
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 …