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218 lines
10 KiB
218 lines
10 KiB
# -*- coding: utf-8 -*-
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# Form implementation generated from reading ui file 'sender_ui.ui'
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#
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# Created by: PyQt5 UI code generator 5.15.9
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#
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# WARNING: Any manual changes made to this file will be lost when pyuic5 is
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# run again. Do not edit this file unless you know what you are doing.
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# -*- coding: utf-8 -*-
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# Form implementation generated from reading ui file 'sender_ui.ui'
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#
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from PyQt5 import QtCore, QtGui, QtWidgets
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import sys
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from PyQt5.QtWidgets import QFileDialog,QMainWindow
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from gmssl import sm4, func
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import json
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import socket
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from Crypto.Cipher import AES
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from binascii import b2a_hex, a2b_hex
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import random
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import string
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import tkinter as tk
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from tkinter import filedialog
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from Crypto.PublicKey import RSA
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from Crypto.Cipher import PKCS1_OAEP
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from Crypto.Signature import PKCS1_v1_5
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from OpenSSL import crypto
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from OpenSSL.crypto import PKey
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from OpenSSL.crypto import TYPE_RSA, FILETYPE_PEM, FILETYPE_ASN1
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from OpenSSL.crypto import dump_privatekey, dump_publickey
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import hashlib
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from Crypto.Hash import SHA512
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#导入加密算法的类
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class Ui_MainWindow(object):
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def setupUi(self, MainWindow,sender):
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MainWindow.setObjectName("MainWindow")
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MainWindow.resize(839, 600)
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self.centralwidget = QtWidgets.QWidget(MainWindow)
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self.centralwidget.setObjectName("centralwidget")
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self.enbutton = QtWidgets.QPushButton(self.centralwidget)
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self.enbutton.setGeometry(QtCore.QRect(560, 240, 121, 51))
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self.enbutton.setObjectName("enbutton")
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self.textBrowser = QtWidgets.QTextBrowser(self.centralwidget)
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self.textBrowser.setGeometry(QtCore.QRect(10, 10, 541, 501))
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self.textBrowser.setObjectName("textBrowser")
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self.choose_button = QtWidgets.QPushButton(self.centralwidget)
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self.choose_button.setGeometry(QtCore.QRect(560, 110, 121, 51))
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self.choose_button.setObjectName("choose_button")
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self.algorithm_box = QtWidgets.QComboBox(self.centralwidget)
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self.algorithm_box.setGeometry(QtCore.QRect(560, 160, 121, 41))
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self.algorithm_box.setObjectName("algorithm_box")
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self.mode_box = QtWidgets.QComboBox(self.centralwidget)
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self.mode_box.setGeometry(QtCore.QRect(560, 200, 121, 41))
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self.mode_box.setObjectName("mode_box")
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self.key_generate_button = QtWidgets.QPushButton(self.centralwidget)
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self.key_generate_button.setGeometry(QtCore.QRect(560, 10, 121, 51))
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self.key_generate_button.setAutoDefault(False)
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self.key_generate_button.setObjectName("key_generate_button")
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self.send_public_button = QtWidgets.QPushButton(self.centralwidget)
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self.send_public_button.setGeometry(QtCore.QRect(560, 60, 121, 51))
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self.send_public_button.setObjectName("send_public_button")
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self.envelope_button = QtWidgets.QPushButton(self.centralwidget)
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self.envelope_button.setGeometry(QtCore.QRect(560, 290, 121, 51))
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self.envelope_button.setObjectName("envelope_button")
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MainWindow.setCentralWidget(self.centralwidget)
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self.menubar = QtWidgets.QMenuBar(MainWindow)
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self.menubar.setGeometry(QtCore.QRect(0, 0, 839, 23))
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self.menubar.setObjectName("menubar")
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MainWindow.setMenuBar(self.menubar)
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self.statusbar = QtWidgets.QStatusBar(MainWindow)
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self.statusbar.setObjectName("statusbar")
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MainWindow.setStatusBar(self.statusbar)
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self.retranslateUi(MainWindow)
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self.key_generate_button.clicked.connect(self.key_generate) # type: ignore
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self.send_public_button.clicked.connect(self.send_publickey) # type: ignore
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self.choose_button.clicked.connect(self.choose_file) # type: ignore
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self.enbutton.clicked.connect(self.encrypt) # type: ignore
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self.envelope_button.clicked.connect(self.send) # type: ignore
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QtCore.QMetaObject.connectSlotsByName(MainWindow)
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#新增属性
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"""
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self.file_path 文件路径
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self.mode 加密模式
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self.algorithm 选择的加密算法
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self.encrypted_text 加密后的文本
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self.public_key 自己的公钥
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self.private_key 自己的私钥
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self.public_key_other 对方的公钥
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self.key 对称密钥
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self.sender 连接实例
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self.envelope 信封
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"""
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self.file_path= ""
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self.mode=""
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self.algorithm=""
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self.encrypted_text=""
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with open("public_key.pem","rb") as f:
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self.public_key=crypto.load_publickey(crypto.FILETYPE_PEM,f.read(),password=None)
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with open("private_key.pem","rb") as f:
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self.private_key=crypto.load_privatekey(crypto.FILETYPE_PEM,f.read(),password=None)
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with open("public_key_other.pem","rb") as f:
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self.public_key_other=crypto.load_publickey(crypto.FILETYPE_PEM,f.read(),password=None)
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self.key=""
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self.envelope={}
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#等待接收方连接
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self.sender=sender
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def retranslateUi(self, MainWindow):
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_translate = QtCore.QCoreApplication.translate
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MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow"))
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self.enbutton.setText(_translate("MainWindow", "加密并封装"))
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self.choose_button.setText(_translate("MainWindow", "选择文件"))
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self.key_generate_button.setText(_translate("MainWindow", "生成公私钥"))
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self.send_public_button.setText(_translate("MainWindow", "发送公钥"))
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self.envelope_button.setText(_translate("MainWindow", "发送"))
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self.mode_box.addItems(["ECB", "CBC"])
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self.algorithm_box.addItems(["AES","SM4"])
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def choose_file(self):
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#打开文件选择对话框
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self.file_path, _ = QFileDialog.getOpenFileName(MainWindow, '请选择要进行加密的文件', '', 'All Files (*);;Text Files (*.txt)')
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# 检查文件路径是否为空
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if self.file_path:
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self.textBrowser.append(self.file_path)
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else:
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self.textBrowser.append("no file selected")
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self.textBrowser.append("choose_file")
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def encrypt(self):
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# 获取用户选择的加密算法
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self.algorithm = self.algorithm_box.currentText()
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self.mode = self.mode_box.currentText()
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with open(self.file_path, 'r') as f:
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plaintext = f.read()
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# #A随机生成16字节的数字和字母组合的字符串
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with open("aeskey.txt",'wb') as f:
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self.key = ''.join(random.choices(string.ascii_letters + string.digits, k=16)).encode()
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f.write(self.key)
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if self.algorithm=="AES":
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if self.mode=="ECB":
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mode = AES.MODE_ECB
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cryptor = AES.new(self.key, mode)
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text = plaintext.encode("utf-8")
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length = 16
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count = len(text)
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add = length - (count % length)
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text = text + (b'\0' * add)
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encrypted_text = cryptor.encrypt(text)
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self.encrypted_text = b2a_hex(encrypted_text).decode("utf-8")
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self.textBrowser.append(encrypted_text+"\n")
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elif self.mode=="CBC":
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mode = AES.MODE_CBC
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cryptor = AES.new(self.key, mode, self.key)#iv = self.key
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text = plaintext.encode("utf-8")
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length = 16
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count = len(text)
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add = length - (count % length)
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text = text + (b'\0' * add)
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encrypted_text = cryptor.encrypt(text)
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self.encrypted_text = b2a_hex(encrypted_text).decode("utf-8")
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self.textBrowser.append(encrypted_text+"\n")
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else:
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self.textBrowser.append("mode error")
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elif self.algorithm=="SM4":
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if self.mode=="ECB":
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# 生成sm4的密钥和偏移量
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sm4_key = func.random_hex(16)
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with open(self.file_path, 'rb') as f:
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file_content = f.read()
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print("file_content:",file_content)
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sm4Alg = sm4.CryptSM4()
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sm4Alg.set_key(sm4_key.encode(), sm4.SM4_ENCRYPT)
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encrypted_data = sm4Alg.crypt_ecb(file_content)
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self.encrypted_text = encrypted_data.hex()
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elif self.mode=="CBC":
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# 生成sm4的密钥和偏移量
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sm4_key = func.random_hex(16)
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sm4_iv = func.random_hex(16)
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with open(self.file_path, 'rb') as f:
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file_content = f.read()
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sm4Alg = sm4.CryptSM4()
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sm4Alg.set_key(sm4_key.encode(), sm4.SM4_ENCRYPT)
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encrypted_data = sm4Alg.crypt_cbc(sm4_iv.encode(),file_content)
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self.encrypted_text = encrypted_data.hex()
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else:
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self.textBrowser.append("mode error")
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else:
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self.textBrowser.append("algorithm error")
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#对称密钥加密
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recipient_key = RSA.importKey(self.public_key_other)
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cipher_rsa = PKCS1_OAEP.new(recipient_key)
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enc_key = cipher_rsa.encrypt(self.key)
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enc_key = b2a_hex(enc_key).decode("utf-8")
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self.textBrowser.append(enc_key+"\n")
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#签名
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key = RSA.importKey(self.private_key)
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sha512_hash = hashlib.sha256(plaintext.encode('utf-8')).hexdigest()
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h = SHA512.new(sha512_hash.encode("utf-8"))
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signer = PKCS1_v1_5.new(key)
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signature = b2a_hex(signer.sign(h)).decode("utf-8")
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self.textBrowser.append(signature)
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self.envelope={"algorithm":self.algorithm,"mode":self.mode,"ciphertext":self.encrypted_text,"key":enc_key,"signature":signature,"publick_key":self.public_key}
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self.textBrowser.append("pack successfully")
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def send(self):
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#发送数据
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envelope = json.dumps(self.envelope)
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self.sender.send(envelope.encode('utf-8'))
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if __name__ == "__main__":
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#连接接收端 准备发送数据
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sender_conn = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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sender_conn.connect(('localhost', 8888))
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#创建窗口
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app = QtWidgets.QApplication(sys.argv)
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MainWindow = QtWidgets.QMainWindow()
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ui = Ui_MainWindow()
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ui.setupUi(MainWindow,sender_conn)
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MainWindow.show()
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sys.exit(app.exec_()) |