![]() ![]() The public key consists of a modulus of the product of prime numbers, and what is called an encryption exponent. How Does the RSA Algorithm Work?Īs mentioned, there is a public key and a private key involved. Because it works on two different keys, RSA is called an asymmetric cryptography algorithm. This is because it’s extremely computationally intensive to try to calculate the private key just using the public key. By using the product of two prime numbers as the encryption key, a high level of security is achieved. The sender encrypts the message, and the receiver decrypts it using the private key. While the public key is used for encryption, the private key is responsible for decryption. The basic principle behind it is using a pair of keys, known as public and private keys. It was a revolutionary algorithm at the time and continues to be widely used today. RSA was introduced in 1977 and is named after its founders – Ron Rivest, Adi Shamir, and Leonard Adleman. In this article, we’ll explain what RSA is, how it works, and the principles behind it. As one of the most commonly used encryption algorithms, it’s something all programmers should know, especially those working in cybersecurity. ![]() RSA has actually been around for almost 50 years and has remained virtually unchanged during this time. One such algorithm that surprisingly doesn’t fit this mold is the RSA algorithm. ![]() In the world of computer science, there are many moving parts, with updates and new theories being established all the time. ![]()
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