network-security

The Digital Signature Algorithm (DSA) is a cryptographic algorithm used to verify the authenticity of digital messages and digital documents by ensuring that the information haven’t been tampered during transmission. DSA is based on mathematical principles involving modular exponentiation and discrete logarithms, making it highly secure when implemented correctly. Working Principle of DSA The Digital … Read more

In this tutorial you will learn asymmetric key cryptography also known as public key cryptography, types of asymmetric key cryptography, advantage and disadvantage of asymmetric key cryptography and current problem in Asymmetric Key Cryptography: Asymmetric encryption algorithms Following are the list of Asymmetric encryption algorithms in public key cryptography. RSA (Rivest-Shamir-Adleman) ECC (Elliptic Curve Cryptography) … Read more

TwoFish cryptographic algorithm is a symmetric key block cipher which was one of the finalists in the Advanced Encryption Standard (AES) competition, but not able to be selected as the standard. It is an improvement over the Blowfish algorithm and is known for its simplicity and efficiency. In this guide, we’ll explore the key concepts … Read more

In this article you will learn AES Encryption and Decryption algorithm, advantages and disadvantages of AES algorithm, AES mode of operation and common vulnerabilities and attacks in AES algorithm. The AES algorithm, also known as Rijndael, is a symmetric block cipher encryption method. Symmetric encryption means that the same secret key is used for both … Read more

Message digest example in java Output The code snippet showcases a simple example of using a cryptographic MessageDigest in Java. In the main method of the DigestExample class, a SHA-256 hash is computed for the input string “Hello World!” using the computeDigest method from the JcaUtils class (not shown in the provided snippet). The computed … Read more