Electronic signature: a technology, a key technology applied to signing electronic contracts.

In People's Republic of China (PRC)'s Electronic Signature Law, an electronic signature is defined as "contained in a data message in electronic form with data for identifying the identity of the signer and indicating the signer's approval of the content". Realize the traditional paper signature or seal function through technical means, confirm the true identity of both parties to the transaction, and ensure the security, authenticity and non-repudiation of the transaction. "

Digital signature is a mature and commonly used electronic signature technology at present, which mainly uses digital certificate and information encryption technology to ensure the uniqueness and tamper resistance of the signature. It can be popularly understood as "digital fingerprint" stamped on electronic documents, which is one of the cores to ensure the effectiveness of electronic contract signing.

Electronic signature: a form of electronic signature

Generally speaking, electronic signature includes signature and seal, and seal is a form of electronic signature. It uses image processing technology to transform the electronic signature operation into the same visual effect as the stamping operation of paper documents, and at the same time uses electronic signature technology to ensure the authenticity and integrity of electronic information and the undeniable nature of the signer.

Therefore, the electronic signature is actually a kind of "digital operation", and the validity of the electronic signature can only be verified by verifying the integrity of the digital certificate. Compared with the problem that it is inconvenient to verify the authenticity in the form of off-line signature or seal, the electronic signature mode can improve the rapid signature verification and the contract security prevention ability.