Electronic signature.

What is the identity authentication method? Electronic signature is not a digital image of a written signature. It's actually an electronic code that allows recipients to easily verify the sender's identity and signature online. It can also verify whether the original text of the file has been changed during transmission. Electronic signature If someone wants to send an important document to someone out of town via the Internet, both the recipient and the sender need to first apply for an electronic license from a licensing authority (CA). This encrypted certificate includes the applicant's online public password, which is the "public password" and is used for document verification. After receiving the encrypted electronic file, the recipient uses the public key issued by the CA to decrypt and read the file. Electronic signature is a general term for modern authentication technology. The United States "Uniform Electronic Transactions Act" stipulates that "electronic signature" generally refers to "an electronic sound, code, or program that is associated or logically associated with an electronic record, and the electronic sound, "A conformity or procedure is entered into or adopted by a person for the purpose of signing an electronic record"; the United Nations "Model Law on Electronic Commerce" stipulates that an electronic signature is contained in, attached to, or logically related to a data message. Data in electronic form of contact, which can be used to verify the identity of the signer related to this data message and indicate that the signer recognizes the information contained in the data message; the EU's Electronic Signature Directive stipulates that "electronic signature" Generally refers to "electronic data that is connected to other electronic records or logically connected and used as an authentication method. An electronic signature is an electronic signature that is included in, attached to, or logically linked to a data message. Data in the form of data, which can be used to verify the identity of the signer related to this data message and indicate that the signer recognizes the information contained in the data message; the EU's "Electronic Signature Directive" stipulates that "electronic signature" generally refers to " Data in electronic form that is linked or logically linked to other electronic records and used as a method of authentication. "From the above definition, any electronic technical means that can prove the identity of the parties and the recognition of the content of the document in electronic communications can be called electronic signatures. Electronic signatures are the general form of modern authentication technology. Concept, it is an important means of ensuring e-commerce security.