Legal analysis: 1. Enter the official website of Guangzhou Public Information Trading Center

2. Click on Service Guide

3. Click on CA and electronic signature

4. Click on the CA Digital Certificate and Electronic Signature Service Guide

Legal basis: "Electronic Signature Law of the People's Republic of China" Article 34 Electronic signature production data, It refers to the characters, codes and other data used in the electronic signature process to reliably link the electronic signature with the electronic signer. In practical applications, "electronic signature production data" can be embodied as the private key held by the electronic signer. This private key is only kept and operated by the signer, and its unique corresponding public key is written into the digital certificate.