信息安全作业实验1.2

import PySimpleGUI as sg zm = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'] # 加密函数 def jiami(mingwen): ans = '' for i in range(len(mingwen)): ans += zm[(3 * zm.index(mingwen[i].lower()) + 5) % 26] return ans # 解密函数 def jiemi(mingwen): res = '' for i in range(len(mingwen)): position = zm.index(mingwen[i].lower()) op = (position - 5) // 3 op = (op + 26) % 26 res += zm[op] return res layout = [ [sg.Text("Input Text:"), sg.InputText(key='-TEXT-', size=(50, 1))], [sg.Button("Encrypt"), sg.Button("Decrypt")], [sg.Text("Result:"), sg.Text(size=(50, 1), key='-RESULT-')] ] window = sg.Window("Encryption and Decryption Tool", layout) while True: event, values = window.read() if event == sg.WIN_CLOSED: break if event == "Encrypt": encrypted = jiami(values['-TEXT-']) window['-RESULT-'].update("Encrypted: " + encrypted) elif event == "Decrypt": decrypted = jiemi(values['-TEXT-']) window['-RESULT-'].update("Decrypted: " + decrypted) window.close()