Encrypt/decrypt a string with code-generated RSA public/private keys in Python

This post shows how to:

- generate private and public RSA keys in Python.
- encrypt and decrypt a string using Python.

1. Install Python-Crypto.

sudo apt-get install python-crypto

2. Use sudo nano rsa_generate.py command to edit a python file as below:

from Crypto.PublicKey import RSA

from Crypto import Random

#Generate private and public keys

random_generator = Random.new().read

private_key = RSA.generate(1024, random_generator)

public_key = private_key.publickey()

message = "The quick brown fox jumps over the lazy dog."

#Encrypt with public key

encrypted = public_key.encrypt(message, 32)

#Decrypt with private key

decrypted = private_key.decrypt(encrypted)

print decrypted

3. Execute the file with this command:


python rsa_generate.py

References:

Encrypt/decrypt a string with RSA public/private keys in PHP
Encrypt/decrypt a string with RSA public/private PEM files using Python
Sending an RSA encrypted message from client to Python socket server

iOS:
Encrypt/decrypt a string with code-generated RSA public/private keys in Swift

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