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Here is the refined code: def encrypt(key, msg):Įncryped. You can encrypt and decrypt it using the RSA algorithm as follows: Encryption: C (Me) mod n 317 mod 33 4. I'm not an expert in math, for further reading, you should check out Number theory. In the above code, there are two functions Encryption() and Decryption() we will call them by passing parameters. How can we obtain the original message? That's easy, subtract the key in both sides enc - key = msg + key - key (mod 127)Īnd here we get: enc - key = msg (mod 127)įor more details, please refer to Modular arithmetic, I think it should belong one of group/field/ring. Here is the code for Encryption and Decryption using Python programming language. 2021 In Python, there are many libraries using which one can perform RSA key generation, encryption, and decryption. password pwd encryption of file data.txt. Let’s see how we can encrypt and decrypt some of our files using Python.

First of all, the encrypted message is obtained by subtracting the key. The contents included in data.txt is mentioned below: Now we will be focusing on encrypting this file using PyAesCrypt module in Python which is displayed below: import pyAesCrypt. The process of encryption/decryption is called cryptography. Open in app Implementing RSA Algorithm using Python This article explains what actually the RSA algorithm is in cryptography and shows how to implement the RSA algorithm for the.