RSA Encryption

Fantastic Fowl answered on February 20, 2022 Popularity 10/10 Helpfulness 2/10

answer RSA Encryption

RSA Encryption

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from Crypto.PublicKey import RSA
from Crypto.Random import get_random_bytes
from Crypto.Cipher import AES, PKCS1_OAEP

data = "I met aliens in UFO. Here is the map.".encode("utf-8")
file_out = open("encrypted_data.bin", "wb")

recipient_key = RSA.import_key(open("receiver.pem").read())
session_key = get_random_bytes(16)

# Encrypt the session key with the public RSA key
cipher_rsa = PKCS1_OAEP.new(recipient_key)
enc_session_key = cipher_rsa.encrypt(session_key)

# Encrypt the data with the AES session key
cipher_aes = AES.new(session_key, AES.MODE_EAX)
ciphertext, tag = cipher_aes.encrypt_and_digest(data)
[ file_out.write(x) for x in (enc_session_key, cipher_aes.nonce, tag, ciphertext) ]
file_out.close()

Popularity 10/10 Helpfulness 2/10 Language whatever

Source: pycryptodome.readthedocs.io

Tags: encryption rsa whatever

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Contributed on Feb 20 2022

Fantastic Fowl

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RSA Encryption

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