Python中的加密与认证协议（TLS/SSL）

import ssl
import socket

# SSL连接的服务器地址和端口号
server_address = ('pidancode.com', 443)

# 创建socket对象并建立SSL连接
sock = socket.create_connection(server_address)
context = ssl.create_default_context()
ssl_sock = context.wrap_socket(sock, server_hostname='pidancode.com')

# 向服务器发送加密数据
message = b'Hello, pidancode.com!'
ssl_sock.sendall(message)

# 从服务器接收加密数据并解密
data = ssl_sock.recv(1024)
print(data.decode())

# 关闭SSL连接和socket
ssl_sock.close()
sock.close()

import ssl
import socket

# SSL服务器的地址和端口号
server_address = ('', 8443)

# 创建socket对象并绑定地址和端口号
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.bind(server_address)

# 监听连接
sock.listen(1)

while True:
    # 接受连接并建立SSL连接
    conn, addr = sock.accept()
    context = ssl.create_default_context(ssl.Purpose.CLIENT_AUTH)
    context.load_cert_chain(certfile='server.crt', keyfile='server.key')
    ssl_conn = context.wrap_socket(conn, server_side=True)

    # 从客户端接收数据并回复
    data = ssl_conn.recv(1024)
    if data:
        message = "Received: {}".format(data.decode())
        ssl_conn.sendall(message.encode())

    # 关闭SSL连接和socket
    ssl_conn.close()
    conn.close()