Asymmetric Encryption Algorithms in Blockchain (RSA, ECDSA, ElGamal, Diffie-Hellman, etc.)

Asymmetric Encryption Algorithms in Blockchain (RSA, ECDSA, ElGamal, Diffie-Hellman, etc.)

1. Definition of Asymmetric Encryption Algorithms An asymmetric encryption algorithm is a type of encryption technology that uses a pair of keys for encryption and decryption. Unlike symmetric encryption, asymmetric encryption uses two keys: a public key for encrypting data and a private key for decrypting it. Only the recipient who possesses the private key … Read more

Google Senior Expert: Enhancing Security by 85% with PyCrypto Encryption Algorithms

Google Senior Expert: Enhancing Security by 85% with PyCrypto Encryption Algorithms

Click the above to follow us! Google Senior Expert: Enhancing Security by 85% with PyCrypto Encryption Algorithms In this data-driven era, protecting information security has become increasingly important. Today, let’s talk about an incredibly powerful Python encryption library—PyCrypto. It is said that using it can enhance security by 85%, making it a nightmare for hackers! … Read more

python-jose: A Powerful Encryption Library Essential for Data Security!

python-jose: A Powerful Encryption Library Essential for Data Security!

Click above to follow us In practical development, data security has always been a crucial topic. Especially when handling sensitive information such as user passwords and tokens, a reliable encryption solution is essential. python-jose is a particularly useful encryption library that simplifies various complex encryption algorithms. Today, I will guide you through using this tool. … Read more

Applications of Asymmetric Encryption Algorithms

Applications of Asymmetric Encryption Algorithms

In previous articles, we briefly discussed asymmetric encryption, which involves splitting a key into two parts: one part is kept private, known as the private key, while the other part can be publicly shared, known as the public key. The encryption algorithm ensures that data encrypted with one key can only be decrypted with the … Read more

Bouncy Castle: A Cryptographic Library for Enhanced Security!

Bouncy Castle: A Cryptographic Library for Enhanced Security!

Bouncy Castle Cryptographic Library: Making Data Security Simpler! Hello everyone, I am a programmer passionate about cryptography. Today, I want to share with you the powerful cryptographic library in the Java world—Bouncy Castle. It not only provides a rich set of cryptographic algorithms but also ensures high reliability in security. As a cryptography enthusiast, I … Read more

PyCrypto: Python Implementation of Cryptographic Algorithms

PyCrypto: Python Implementation of Cryptographic Algorithms

Cryptography is the cornerstone of information security, and Python, as a powerful programming language, provides a wealth of tools to implement various cryptographic algorithms. Today, we will discuss how to implement some common cryptographic algorithms in Python and see how to protect our sensitive data from being stolen by malicious actors. 1. Symmetric Encryption: AES … Read more

Analysis of ADDP Protocol and Its Potential for DDoS Reflection Attacks

Executive SummaryIn recent years, an increasing number of protocols capable of causing UDP reflection attacks have come to the forefront, such as CoAP[1], Ubiquiti[2], WS-Discovery[3], OpenVPN[4], and a certain DVR protocol[5]. These attack methods differ from the well-known reflection attack types like DNS, SSDP, NTP, and Memcached, posing certain challenges for DDoS attack protection. In … Read more

Understanding HTTPS Encryption and Decryption

Understanding HTTPS Encryption and Decryption

Variety is the spice of life. Change is the spice of life. 1. Introduction to HTTP and HTTPS HTTPS = HTTP + SSL Similarities In most cases, HTTP and HTTPS are the same because they both use the same underlying protocol. As an HTTP or HTTPS client—browser—establishes a connection to the web server on a … Read more

Advanced Data Encryption in Excel: Implementing RSA Algorithm and Digital Signatures

Advanced Data Encryption in Excel: Implementing RSA Algorithm and Digital Signatures

Hi, Excel enthusiasts! Today I want to share with you a super cool advanced application of Excel—data encryption. That’s right, today we are going to implement the RSA encryption algorithm and digital signatures in Excel! Sounds impressive, right? Don’t worry, I will explain each step in an easy-to-understand way. Through this article, you will learn … Read more

The Past and Present of Cryptographic Algorithms

The Past and Present of Cryptographic Algorithms

Author丨labuladong Source丨labuladong The “password” mentioned here is not the same concept as the passwords we use in daily life. The cryptographic algorithms discussed in this article mainly address the issues of encryption and decryption in information transmission.We must assume that the data transmission process is insecure, and all information is being eavesdropped on, so the … Read more