랜덤 비밀번호 찾기 프로그램

랜덤한 비밀번호를 생성하고 그 랜덤생성한 비밀번호를 맞추기위해 랜덤한 비밀번호를 때려박는(?) 프로그램을 만들어보았다.

비밀번호 길이가 길면 길수록 맞추는데 시간이 너무 오래걸려서 3자리수로 진행해보았다.

 

랜덤하게 생성된 비밀번호는 "wR>" 이였으며 비밀번호 찾기버튼을 클릭하면 자동으로 생성된 비밀번호와 일치할떄까지 계속해서 찾는다.

 

3자리 비밀번호를 찾는데 29초가 걸렸다.(출력하지 않으면 더 빠른 속도로 해결 가능)

 

 

파이썬으로 개발했으며 코드는 아래와 같다.

import sys
import time
import random

from PySide6.QtWidgets import QMainWindow, QApplication
from PySide6.QtCore import Slot, Signal, QObject
from PySide6.QtGui import QCloseEvent

from ui.main_form import Ui_MainWindow

from threading import Thread, Event

class StrSignal(QObject):
    msg = Signal(str)

class Password:
    def __init__(self):
        self.password_ch = "`1234567890-=qwertyuiop[]\\asdfghjkl;'zxcvbnm,./~!@#$%^&*()_+QWERTYUIOP\{\}|ASDFGHJKL:\"ZXCVBNM<>?"        
        self.password = ""
    
    def create(self, size : int):
        self.password = ""
        for idx in range(size):
            self.password += self.password_ch[random.randint(0,len(self.password_ch)-1)]
    
    def __del__(self):
        pass

class Mainwindow(QMainWindow, Ui_MainWindow):
    def __init__(self):
        super().__init__()
        self.setupUi(self)
        self.exit_flag = False

        self.create_password = Password()
        self.find_password = Password()

        self.create_password_msg = StrSignal()
        self.find_password_msg = StrSignal()
        self.timer_msg = StrSignal()
        
        self.pushButton_create_password.clicked.connect(self.btn_create_password_handler)
        self.pushButton_find_password.clicked.connect(self.btn_find_password_handler)

        self.create_password_msg.msg.connect(self.create_password_msg_handler)
        self.find_password_msg.msg.connect(self.find_password_msg_handler)
        self.timer_msg.msg.connect(self.timer_msg_handler)
            
        self.create_password_thread = Thread(target = self.create_password_thread_handler)
        self.create_password_event = Event()
        self.create_password_event.set()
        self.create_password_thread.start()

        self.find_password_thread = Thread(target = self.find_password_thread_handler)
        self.find_password_event = Event()
        self.find_password_event.set()
        self.find_password_thread.start()

    def create_password_thread_handler(self):
        while self.exit_flag == False:
            while self.create_password_event.is_set() == False:
                start_time = time.time()
                while time.time() - start_time < 1:
                    self.spinBox_password_len.setEnabled(False)
                    self.create_password.create(self.spinBox_password_len.value())
                    self.create_password_msg.msg.emit(self.create_password.password)
                    time.sleep(random.uniform(0,.05))
                self.create_password_event.set()
            time.sleep(0)

    def find_password_thread_handler(self):
        while self.exit_flag == False:            
            while self.find_password_event.is_set() == False:
                self.pushButton_create_password.setEnabled(False)
                self.pushButton_find_password.setEnabled(False)
                find_time = time.time()
                while self.create_password.password != self.find_password.password:
                    self.find_password.create(self.spinBox_password_len.value())
                    self.find_password_msg.msg.emit(self.find_password.password)
                    self.timer_msg.msg.emit(str(int(time.time() - find_time)))
                self.find_password_event.set()
                self.pushButton_create_password.setEnabled(True)
                self.pushButton_find_password.setEnabled(True)

    @Slot()
    def btn_create_password_handler(self):
        self.create_password_event.clear()
        self.pushButton_find_password.setEnabled(True)
    
    @Slot()
    def btn_find_password_handler(self):
        self.find_password_event.clear()

    @Slot(str)
    def create_password_msg_handler(self, msg : str):
        self.label_create_password.setText(f"생성된 비밀 번호 : {msg}")

    @Slot(str)
    def find_password_msg_handler(self, msg : str):
        self.label_find_password.setText(f"비밀번호 찾기 : {msg}")

    @Slot(str)
    def timer_msg_handler(self, msg : str):
        msg = int(msg)
        self.label_time_min.setText(str(msg // 60))
        self.label_time_sec.setText(str(msg % 60))
    
    def closeEvent(self, event: QCloseEvent) -> None:
        self.exit_flag = True
        return super().closeEvent(event)

if __name__ == "__main__":
    app = QApplication(sys.argv)
    window = Mainwindow()
    window.show()
    app.exec()