39 lines
1.2 KiB
Python
Executable File
39 lines
1.2 KiB
Python
Executable File
"""
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Encrypting and decrypting a message
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https://www.geeksforgeeks.org/how-to-encrypt-and-decrypt-strings-in-python/
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@author Todorov-Lachezar
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"""
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import rsa
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class encrypt_decrypt():
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# the message we want to encrypt
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message = "Hello World"
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def make_keys(key_length):
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publicKey, privateKey = ""
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# Generates public and private keys
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# Method takes in key length as a parameter
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# Note: the key length should be >16
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if(key_length < 16):
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publicKey, privateKey = rsa.newkeys(key_length)
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return publicKey, privateKey
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else:
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return "Enter a key_length of >16"
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def encryption(plaintext, publicKey):
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# Encrypts the message with the public key
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# Note: make sure to encode the message before encrypting
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encMessage = rsa.encrypt(plaintext.encode(), publicKey)
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return encMessage
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def decryption(ciphertext, privateKey):
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# Decrypts the encrypted message with the private key
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# Note: make sure to decode the message after decryption
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decMessage = rsa.decrypt(ciphertext, privateKey).decode()
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return decMessage
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