from Crypto.Cipher import AES
from Crypto.Util.Padding import pad, unpad

def encrypt_text(text: str, key_hex: str, iv_hex: str) -> str:
    key = bytes.fromhex(key_hex)
    iv = bytes.fromhex(iv_hex)
    text = text.encode('utf-8')
    cipher = AES.new(key, AES.MODE_CBC, iv)
    encrypted_data = cipher.encrypt(pad(text, AES.block_size))
    return encrypted_data.hex()


def decrypt_text(text: str, key_hex: str, iv_hex: str) -> str:
    key = bytes.fromhex(key_hex)
    iv = bytes.fromhex(iv_hex)
    text = bytes.fromhex(text)
    cipher = AES.new(key, AES.MODE_CBC, iv)
    decrypted_data = unpad(cipher.decrypt(text), AES.block_size)
    return decrypted_data.decode('utf-8')