Выполнить шифрование текстового файла методом RSA

from Cryptodome.PublicKey import RSA
from Cryptodome.Cipher import AES, PKCS1_OAEP
 
code = 'nooneknows'
 
with open('encrypted_data.bin', 'rb') as fobj:
    private_key = RSA.import_key(
        open('my_rsa_key.pem').read(),
        passphrase=code
    )
 
    enc_session_key, nonce, tag, ciphertext = [
        fobj.read(x) for x in (private_key.size_in_bytes(), 16, 16, -1)
    ]
 
    cipher_rsa = PKCS1_OAEP.new(private_key)
    session_key = cipher_rsa.decrypt(enc_session_key)
 
    cipher_aes = AES.new(session_key, AES.MODE_EAX, nonce)
    data = cipher_aes.decrypt_and_verify(ciphertext, tag)
 
print(data)

def is_prime(n):
    if n % 2 == 0:
        return False
    q = 3
    while q*q <= n:
        if n % q == 0:
           return False
        q += 2
    return True
 
from random import randint
 
p = randint(100000000000,1000000000000)
print(p)
while(not is_prime(p)):
    p += 1
q = randint(1000000000000,10000000000000)
print(q)
while(not is_prime(q)):
    q += 1
print(p, q)

def euclid_ext(a, b):
    if b == 0:
        return a, 1, 0
    else:
        d, x, y = euclid_ext(b, a % b)
        return d, y, x - y * (a // b)
 
p=3557
q=2579
n = p*q
phi = (p-1)*(q-1)
print(n, phi)
e = 3
gcd, d, y = euclid_ext(e, phi)
d %= phi
if d < 0:
    d += phi
open_key=(e, n)
secret_key=(d, n)
print(open_key)
print(secret_key)