Electronic signature is a form of electronic signature, and legal person electronic signature is equivalent to affixing legal person seal. Electronic signature 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.

e-signature

Electronic signature mainly refers to a security measure to identify the identity of the parties through a specific technical scheme and ensure that the content of transaction data is not tampered with. In a broad sense, electronic signature includes not only "asymmetric key encryption" in our usual sense, but also computer passwords, biometric handwriting recognition, fingerprint recognition, and emerging eye-iris perspective recognition and facial pattern recognition. As the most mature "digital signature" at present, electronic signature technology is made of "asymmetric" cryptographic technology of public key and key.