tlslite-ng

import socket from tlslite.api import TLSConnection, HandshakeSettings # Minimal TLS client example connecting to a public HTTPS server HOST = 'www.google.com' PORT = 443 def run_client(): sock = None connection = None try: # 1. Create a standard socket sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.connect((HOST, PORT)) print(f"Connected to {HOST}:{PORT}") # 2. Wrap the socket with TLSConnection connection = TLSConnection(sock) # 3. Perform the TLS handshake as a client settings = HandshakeSettings() settings.minVersion = (3, 3) # TLS 1.2 settings.maxVersion = (3, 4) # TLS 1.3 connection.handshakeClient( settings=settings, reqCert=True # Request server certificate ) print(f"TLS handshake successful. Protocol: {connection.version_name}") # 4. Send and receive application data request = b"GET / HTTP/1.1\r\nHost: www.google.com\r\nConnection: close\r\n\r\n" connection.write(request) print("Sent HTTP GET request.") response = connection.read() print("Received data (first 200 bytes):") print(response[:200].decode(errors='ignore')) except Exception as e: print(f"TLS client failed: {e}") finally: if connection: # Closes both the TLS connection and underlying socket connection.close() elif sock: sock.close() if __name__ == '__main__': run_client()