from pwn import remote
import re
from base64 import b64decode
from sympy import factorint
from Crypto.Util.number import bytes_to_long, inverse, long_to_bytes

with remote("d7c40d8ec4e734fe7ac812f9-1338-shadows-of-neon-city.challenge.cscg.live", "1337", ssl=True) as conn:
    data = conn.recvuntil(b":\n").decode("utf-8")
    print(data)
    matches = re.findall(r'(\w+)\s*=\s*([\w/=+]+)', data)
    locals().update({key: value if not value.isdigit() else int(value) for key, value in matches})
    cipher = bytes_to_long(b64decode(cipher))
    p,q = factorint(n).keys()

    n = p * q
    phi_n = (p-1) * (q-1)
    d = inverse(e, phi_n) 

    plain_int = pow(cipher, d, n)

    plaintext = long_to_bytes(plain_int) 

    conn.sendline(plaintext)
    conn.interactive()