1, the original data message, can reliably keep the content intact and tamper-proof, and meet the original form and file preservation requirements stipulated by law;
2. Electronic signature, which can identify the signer and signature time, prevent tampering, and meet the requirements of effective electronic signature stipulated by law;
3. The identity has been effectively authenticated by a third party and meets the authentication requirements stipulated by law.
The legal effect of electronic signature specifically refers to:
1, the legal effect of electronic signature refers to the related matters that can bind the parties to a contract to sign online.
2. The conditions for the validity of an electronic signature are: the identity has been effectively authenticated by a third party and meets the authentication requirements stipulated by law; Electronic signature can identify the signer, the signing time, prevent tampering and meet the requirements of effective electronic signature stipulated by law; Other provisions of the law, etc.
Legal basis: Article 13 of People's Republic of China (PRC) Electronic Signature Law.
An electronic signature shall be regarded as reliable if it meets the following conditions:
(1) When the electronic signature production data is used for electronic signature, it belongs to the exclusive rights of the electronic signer;
(2) When signing, the electronic signature production data is only controlled by the electronic signer;
(3) Any changes to the electronic signature after signature can be found;
(4) Any changes to the content and form of the data message after signature can be found.
The parties can also choose to use electronic signatures that meet their agreed reliable conditions.
Article 14 A reliable electronic signature has the same legal effect as a handwritten signature or seal.
Article 15 An electronic signer shall properly keep the electronic signature making data. When the electronic signer knows that the electronic signature production data has been or may have been compromised, he shall promptly inform the relevant parties and stop using the electronic signature production data.
Article 16 Where an electronic signature requires authentication by a third party, a legally established electronic authentication service provider shall provide authentication services.