Python_Cert.py

from pickle import loads
from base64 import b64decode
from hashlib import sha1
from gzip import decompress
from typing import Callable

data = decompress(b64decode((
    b'H4sIACMDel4C/yVSuY4VMRB8sNyniIkQyUpIqC/38RMvntT27GQEDgiR+HRqhmRatqurq6rn'
    b'78OfdXvcvtxuN0oOYXNJYcI31rPtEfcHTW56dO0sxZYtuLdm80l9DG2TtMWYZOv59g3wNGpq'
    b'AQpKCXVLisbuimqcTuvhop29/IlZQ3XuxxxiTkXytAvlHIfNpi5z7+vF9h1wttbY2CPJnINU'
    b'IQSK3aU83ZR9vfyvt5V4Lxrae8kx2m419tRRpHvyaBI9Du7r1fYScOeiXK+vVtaBBKggZ/Ix'
    b'5hjdZU/xUht0tBmxl1asN5cmIVFqCYepnmdtzllBDgzOorneXsTJPI9KRAVEhXibSfsRIYEH'
    b'hHVIbzCx3m1fTx0tnLVAk+hEmkjRriBjvb9fEGvmyMAT7o0RHiBhxNRqfbhvP055FiTYAngJ'
    b'wZUmtkeFmwZGb0RlhT1F2vp4336drBhzMiEERbpwEKnG4EAf+AtFIOpalgqSQwMFVMg5Ri3L'
    b'UsUN/uucgSPsYgjazz5mh3D8Qq3p+nS/NiDUqNbn+++f/wAo+U3jjgIAAA==')))


def checkType(targetType: object, obj: object) -> object:
    if not isinstance(obj, targetType):
        raise TypeError(f'Expected type {targetType} for {repr(obj)}"')
    return obj
    
class LockSolver():
    def __init__(self):
        global data
        self.tcdict = loads(data)
        self.testans = []
        self.func = None

    def run(self, function: Callable) -> None:
        checkType(Callable, function)
        sampletc = function('12345')
        if checkType(str, sampletc) != '2353':
            raise ValueError(
                f'Your function returned {repr(sampletc)} for token "12345".')

        self.func = function
        for i, tc in enumerate(self.tcdict.keys()):
            res = function(tc[1::2])
            if self.tcdict[tc] is not None and \
                (sha1(res.encode('utf-8')).hexdigest() !=
                 self.tcdict[tc][::-1]):
                raise RuntimeError(f"Failed to open lock #{i+1}, "
                                   "your solution is probably wrong.")
            self.testans.append(res)

    def getPassword(self, uid: str) -> str:
        ans = ''.join(self.testans) + self.func(checkType(str, uid))
        return sha1(ans.encode('utf-8')).hexdigest()


def encrypt(number: int) -> int: return checkType(int, number) >> 23 ^ 2333


# user code space
def solve(token: str) -> str:
    ...