ufZmmSjZ

1import base64
2from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes
3from cryptography.hazmat.primitives import padding
4from cryptography.hazmat.backends import default_backend
5from django.utils.encoding import force_bytes, force_text
6
7SECRET_KEY = "hellomotherfucker"
8value = force_bytes("12345678901234567890")
9
10backend = default_backend()
11key = force_bytes(base64.urlsafe_b64encode(force_bytes(SECRET_KEY))[:32])
12
13
14class Crypto:
15
16    def __init__(self):
17        self.encryptor = Cipher(algorithms.AES(key), modes.ECB(), backend).encryptor()
18        self.decryptor = Cipher(algorithms.AES(key), modes.ECB(), backend).decryptor()
19
20    def encrypt(self):
21        padder = padding.PKCS7(algorithms.AES(key).block_size).padder()
22        padded_data = padder.update(value) + padder.finalize()
23        encrypted_text = self.encryptor.update(padded_data) + self.encryptor.finalize()
24        return encrypted_text
25
26    def decrypt(self, value):
27        padder = padding.PKCS7(algorithms.AES(key).block_size).unpadder()
28        decrypted_data = self.decryptor.update(value)
29        unpadded = padder.update(decrypted_data) + padder.finalize()
30        return unpadded
31
32
33if __name__ == '__main__':
34    print('>>>>>>>>>>>')
35    crypto = Crypto()
36    text = force_text(base64.urlsafe_b64encode(crypto.encrypt()))
37    print(text)
38    print('<<<<<<<<<<<<<')
39    text = force_text(crypto.decrypt(base64.urlsafe_b64decode(text)))
40    print(text)