January Rx/Tx2


RSA Encryption Algorithm

Introduction

RSA is perhaps the most well-known asymmetric cryptographic algorithm. When it was first introduced back in 1977, it revolutionised cryptography. The public-key cryptosystem, developed by creators Ron Rivest, Adi Shamir, and Leonard Adleman, uses prime factorisation to create a trapdoor function that produces both a public and private key known as a key pair. And by creating separate keys for encryption and decryption, this groundbreaking innovation removed the need to secretly and securely share a single secret key to exchange encrypted messages; with wide distribution of the …

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