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aes_encryption.py
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aes_encryption.py
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from Crypto.Cipher import AES
from Crypto.Random import get_random_bytes
import os
from dotenv import load_dotenv
from db_functions import Db
import mysql.connector
import base64
load_dotenv()
AES_KEY = os.getenv('AES_KEY')
class Encrypt:
def __init__(self):
self.header = b"header"
self.db = Db()
def encrypt_api_key(self, api_key):
encryption_cipher = AES.new(AES_KEY.encode("utf8"), AES.MODE_OPENPGP)
ciphertext = encryption_cipher.encrypt(api_key.encode("utf8"))
b64_ciphertext = base64.b64encode(ciphertext).decode()
print("Base64 of AES-encrypted message: ", b64_ciphertext)
self.db.add_to_config('Weather_API_Key', b64_ciphertext)
def get_api_key(self):
db = mysql.connector.connect(
host="localhost",
user="root",
password="password",
database='weather_app'
)
cursor = db.cursor()
cursor.execute("SELECT value FROM config WHERE key_name = 'Weather_API_Key'")
data = cursor.fetchone()
api_key = data[0]
cursor.close()
db.close()
unb64_ciphertext = base64.b64decode(api_key.encode())
iv = unb64_ciphertext[0:18]
unb64_ciphertext = unb64_ciphertext[18:]
decryption_cipher = AES.new(AES_KEY.encode("utf8"), AES.MODE_OPENPGP, iv=iv)#, nonce=nonce)
output_data = decryption_cipher.decrypt(unb64_ciphertext)
return output_data.decode()
# print("Decrypted message: ", output_data.decode())