PDF加密小工具，由论坛用户原创制作分享的一个PDF加密工具，可以设置密码，将pdf文档一键加密，可以分别设置浏览密码和编辑密码，给你的重要文档设置双重保护。本站提供PDF加密工具单文件程序下载，其中源码数据如下，需要对PDF文件进行加密处理的朋友们可以下载试试。

PDF加密工具功能

设置pdf文档加密和编辑密码

自由设置文件路径格式

源码一览

# -*- coding: utf-8 -*-

# ☯ Author: ChinaPython

# ☯ Date? : 2021/9/16 19:01

import os

import PySimpleGUI as sg

from PyPDF2 import PdfFileWriter

from PyPDF2 import PdfFileReader

class EncryptTool:

def __init__(self):

self.layout = [

[

sg.Text(text="阅览密码"),

sg.InputText(do_not_clear=True, default_text="默认:admin", text_color='gray', key='psw_a', size=(17, 1)),

sg.Text(text="编辑密码"),

sg.InputText(do_not_clear=True, default_text="默认:admin", text_color='gray', key='psw_b', size=(17, 1)),

],

[

sg.Input(do_not_clear=True, default_text='选择需要转换的PDF文件(默认同路径)', text_color='gray', key='path'),

sg.FileBrowse(button_text='选择文件', key='file'),

],

[

sg.Input(do_not_clear=True, default_text='转换后PDF文件存储路径', text_color='gray', key='path2'),

sg.FolderBrowse(button_text='输出目录', key='folder'),

],

[sg.Text(text="", size=(48, 4), background_color="white", text_color="red", key="msg")],

[sg.Button(button_text='开始加密', key='start', size=(48, 2))],

]

self.window = sg.Window('PDF加密小工具(吾爱破解论坛)', self.layout, icon='icon.ico')

@staticmethod

def __encrypt(unencrypted_pdf, read_password, encrypted_pdf=None, owner_password=None):

unencrypted_pdf = "加密_" + unencrypted_pdf if encrypted_pdf is None else unencrypted_pdf

owner_password = owner_password if owner_password is None else owner_password

try:

content = PdfFileReader(unencrypted_pdf)

writer = PdfFileWriter()

[writer.addPage(content.getPage(page)) for page in range(content.getNumPages())]

writer.encrypt(user_pwd=read_password, owner_pwd=owner_password, use_128bit=False)

with open(encrypted_pdf, 'wb') as out:

writer.write(out)

return os.path.exists(encrypted_pdf)

except Exception as e:

return e

# 运行入口

def run(self):

while True:

event, values = self.window.Read()

if event == 'start':

a, b, c, d = values['psw_a'], values['psw_b'], values['path'], values['path2']

if os.path.exists(c) is False or str(c).lower().endswith(".pdf") is False:

self.window.Element('msg').Update("加载目录失败，请检测路径的合法性")

continue

a = "admin" if "默认:" in a or len(a) == 0 else a

b = "admin" if "默认:" in b or len(b) == 0 else b

filepath, filename = os.path.split(c)

d = f"{d}/加密_{filename}" if os.path.isdir(d) is True else f"{filepath}/加密_{filename}"

msg = self.__encrypt(c, a, d, b)

if msg is not True:

self.window.Element('msg').Update(f"加密失败:{msg}")

continue

self.window.Element('msg').Update(

f"阅览密码:{a}\n编辑密码:{b}\n目标文件:{c}\n输出文件:{d}"

)

if event is None:

break

self.window.close()

if __name__ == '__main__':

start = EncryptTool()

start.run()