网络编程进阶hamc模块socketserver模块验证合法性两者进行通信连接

server端口import os
import hmac
import socket
soctet_key &＃61; &＃39;老王在隔壁&＃39;.encode(&＃39;UTF-8&＃39;)
sk &＃61; socket.socket()
sk.bind((&＃39;127.0.0.3&＃39;,9080))
sk.listen()
while True:while True:try:conn,addr &＃61; sk.accept()random_bytes &＃61; os.urandom(30) # 随机获取一段字节 os模块的os.uurandom是专门随机获取字节的conn.send(random_bytes) # 先把你的加密方式发送过去obj &＃61; hmac.new(key &＃61; socket_key,smg &＃61; random_bytes ) # 这是运用hmac对你的信息进行加密 前面的是内容后面是加密的方式ret &＃61; obj.hecdigest()msg &＃61; conn.recv(1024).decode(&＃39;UTF-8&＃39;)if msg &＃61;&＃61; ret :print(&＃39;是合法的&＃39;)else:conn.close()finally:sk.close()breakclient端口&＃xff1a;import socket
import hmac
socket_key &＃61; &＃39;老王在隔壁&＃39;.encode(&＃39;UTF-8&＃39;)
sk &＃61; socket.socket()
sk.connect((&＃39;127.0.0.3&＃39;,9080))
urandom &＃61; sk.recv(1024) # 接收你的加密方式
hamc_obj &＃61; hmac.new(key &＃61; socket_key,msg &＃61; urandom)
sk.send(hamc_obj.hexdigest().encode()) # 把你的加密结果发送 让服务端进行对比
sk.close()

server 端import socketserver
# 并发编程
class MyServer(socketserver.BaseRequestHandler):def handle(self):self.request.send(b&＃39;hello&＃39;)msg &＃61; self.recv(1024)print(msg)if __name__ &＃61;&＃61; &＃39;__main__&＃39;:socketserver.TCPServer.allow_reuse_address &＃61; Trueserver &＃61; socketserver.ThreadingTCPServer((&＃39;127.0.0.1&＃39;,9000),MyServer)server.serve_forever()client端import socket
sk &＃61; socket.socket()
sk.connect((&＃39;127.0.0.1&＃39;,9000))
msg &＃61; sk.recv(1024)
print(msg)
sk.send(b&＃39;bye&＃39;)
sk.close()