import os
from cryptography.hazmat.primitives import serialization
from cryptography.hazmat.primitives.asymmetric import x25519
from cryptography.hazmat.primitives.kdf.scrypt import Scrypt
from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes
from cryptography.hazmat.backends import default_backend

private_key_hex = [
    0xA8,
    0x52,
    0x05,
    0xD2,
    0x9F,
    0x6B,
    0xD4,
    0x8B,
    0x08,
    0x64,
    0x59,
    0xE0,
    0xAB,
    0xD1,
    0x06,
    0x3D,
    0xCE,
    0xF2,
    0xEA,
    0xB7,
    0xEE,
    0x19,
    0x96,
    0x5A,
    0xD6,
    0x11,
    0xE5,
    0x3F,
    0x5E,
    0xA2,
    0x9C,
    0x58,
]

public_key_hex = [
    0x63,
    0x33,
    0xA2,
    0x5F,
    0x48,
    0xBB,
    0x69,
    0x8E,
    0x1A,
    0x90,
    0x02,
    0x83,
    0x20,
    0xD2,
    0x05,
    0x6A,
    0xA1,
    0x6E,
    0x37,
    0x2E,
    0xDD,
    0x84,
    0xB4,
    0x06,
    0x20,
    0xC8,
    0xBC,
    0xB6,
    0x82,
    0x17,
    0x81,
    0x51,
]

private_key_bytes = bytes(private_key_hex)
public_key_bytes = bytes(public_key_hex)

private_key = x25519.X25519PrivateKey.from_private_bytes(private_key_bytes)

public_key = x25519.X25519PublicKey.from_public_bytes(public_key_bytes)

shared_secret = private_key.exchange(public_key)

kdf = Scrypt(
    salt=os.urandom(16), length=32, n=2**14, r=8, p=1, backend=default_backend()
)
aes_key = kdf.derive(shared_secret)

ciphertext = b""
nonce = b""

cipher = Cipher(algorithms.AES(aes_key), modes.GCM(nonce), backend=default_backend())
decryptor = cipher.decryptor()
decrypted_data = decryptor.update(ciphertext) + decryptor.finalize()

print("Decrypted Data:", decrypted_data)