Block Cipher

Symmetric Encryption Algorithms Overview

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Symmetric Encryption Algorithms Overview

This series is divided into two parts, primarily introducing knowledge related to symmetric encryption, including the concept of symmetric encryption, its development history, block cipher algorithm structure, stream cipher algorithm structure, typical symmetric encryption algorithms, and the applications of symmetric encryption algorithms. 1.Concept of Symmetric Encryption Algorithms Both parties in communication can use a secure … Read more

Understanding Block Ciphers: A Comprehensive Overview

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Understanding Block Ciphers: A Comprehensive Overview

Reliable and Efficient: The Block Cipher Written by | Teacher Kang In the previous five issues, we discussed the intrinsic characteristics and structures of cryptography, as well as the relationship between cryptography and security. Starting from this issue, we enter the second part of this series – the

Design Analysis and Security Evaluation of CAESAR Competition Authenticated Encryption Algorithms

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Design Analysis and Security Evaluation of CAESAR Competition Authenticated Encryption Algorithms

Content Introduction Abstract The CAESAR competition is an authenticated encryption algorithm competition funded by the National Institute of Standards and Technology (NIST) in 2013, aimed at soliciting authenticated encryption algorithms that outperform AES-GCM in both comprehensive performance and security, capable of providing both integrity and confidentiality. The final selected algorithms may be recommended to the … Read more

Understanding the Mysterious DES Encryption Algorithm

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Understanding the Mysterious DES Encryption Algorithm

1 Introduction DES algorithm is a common block cipher algorithm proposed by IBM in 1971. The DES algorithm is a typical representative of block ciphers and is also the most widely used symmetric encryption algorithm. This article will detail the principles and implementation process of DES. 1.1 Plaintext Plaintext refers to data that has not … Read more