Created a new file that encrypts and decrypts a message using the rsa library. Note: make sure to install the rsa library before using the following code.

src/py-cli/encrypt_decrypt.py

@@ -0,0 +1,29 @@
+"""
+Encrypting and decrypting a message
+
+@author Todorov-Lachezar
+"""
+
+import rsa
+ 
+# Generates public and private keys
+# Method takes in key length as a parameter
+# Note: the key length should be >16
+publicKey, privateKey = rsa.newkeys(512)
+ 
+# the message we want to encrypt
+message = "Hello World"
+ 
+# Encrypts the message with the public key
+# Note: make sure to encode the message before encrypting
+encMessage = rsa.encrypt(message.encode(),
+                         publicKey)
+ 
+print("original string: ", message)
+print("encrypted string: ", encMessage)
+ 
+# Decrypts the encrypted message with the private key 
+# Note: make sure to decode the message after decryption
+decMessage = rsa.decrypt(encMessage, privateKey).decode()
+ 
+print("decrypted string: ", decMessage)