设备身份认证新年特惠

import ssl

def verify_device_certificate(cert_path):
    try:
        context = ssl.create_default_context(cafile=cert_path)
        with socket.create_connection(('example.com', 443)) as sock:
            with context.wrap_socket(sock, server_hostname='example.com') as ssock:
                cert = ssock.getpeercert()
                if cert:
                    print("Device certificate is valid.")
                else:
                    print("Device certificate verification failed.")
    except ssl.SSLError as e:
        print(f"SSL error: {e}")
    except socket.error as e:
        print(f"Socket error: {e}")

# 使用示例
verify_device_certificate('/path/to/certificate.pem')