What are digital certificates, digital certificates applied to those scenes?

Digital certificate is to provide digital identity authentication on the network, to prove their identity, identify the identity of the other party; encryption and decryption of information transmitted on the network, digital signatures and signature verification, to ensure the confidentiality and integrity of information transmitted online. The use of digital certificates, even if you send information on the Internet by others to intercept, or even you lose your personal accounts, passwords and other information, you can still ensure that your account, money security.

Digital certificate application scenarios:

1, server certificate Installed on the server equipment, used to prove the identity of the server and communication encryption. Server certificates can be used to prevent fraudulent phishing sites.

2, e-mail certificate can be used to prove the authenticity of the e-mail sender. It does not prove the authenticity of the name of the certificate owner identified by the CN item above the digital certificate, it only proves the authenticity of the e-mail address. Using the received e-mail certificate, we can also send an encrypted e-mail to the recipient. This encrypted e-mail can be transmitted over a non-secure network, and only the holder of the receiving party may open the e-mail.

3, client-side personal/business organization certificates These certificates are mainly used for authentication and electronic signatures. ssl two-way login, document signing, code signing, and form signing on some web pages.