Electronic signature refers to the data contained in the data message in electronic form and accompanied by data used to identify the identity of the signer and show that the signer approves its content. Generally speaking, electronic signature is the electronic signature of electronic documents through cryptographic technology, rather than the digital visualization of handwritten signature, similar to handwritten signature or seal, or it can be said to be an electronic seal. The purpose of electronic signature is to sign the electronic version of Mid-Autumn Festival greeting cards, invitations and construction contracts.

Security: The electronic contract signing platform for signing shield strictly abides by the relevant provisions of contract law and electronic signature law, and adopts reliable electronic signature technology. Users who pass the real-name authentication will be issued with digital certificates by CA Certification Center, a national authority, thus generating legally effective electronic signatures. In the process of signing a contract, users need to be authenticated to use electronic signatures, and the signed contract will be safe and effective.

Reliable online electronic signature requires some conditions.

1, and the electronic signature made shall belong to the signer;

2. When using electronic signature, it should be operated and controlled by the signer, and others are not allowed to use the signature fraudulently.

3. After using the electronic signature, the change of the electronic signature will be found;

4. After the electronic signature is used, the content of the signed document changes and will also be found.

So to sum up, a reliable network electronic signature should have: true identity, true will, unchangeable signature and original text. Online electronic signature is applied in the field of electronic contracts, and the third-party electronic contract signing platform will provide reliable electronic signature technology.

Baidu encyclopedia-electronic signature