Digital certificate is a personal digital ID card, which can be used for provident fund account authentication, personal information inquiry, ID card and other activities. Digital certificate is a series of numbers representing the identity information of all parties in Internet communication, which provides a way to verify the identity of communication entities on the Internet.
A digital certificate is not a digital ID card, but a seal or stamp affixed by an identity authentication institution (or a signature affixed to a digital ID card). It is issued by an authoritative organization-CA, also known as Certificate Authority Center, which people can use to identify each other on the Internet.
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Characteristics of digital certificate
safe
(1) In order to avoid the security risks such as certificate loss caused by improper use in the traditional digital certificate scheme, Alipay creatively launched a dual-certificate solution: when Alipay members apply for digital certificates, they will get two certificates at the same time, one for verifying Alipay accounts and the other for verifying the computers currently used by members.
(2) The second certificate cannot be backed up, and members must apply for a new certificate for each computer. In this way, even if a member's digital certificate is illegally stolen by others, he can still ensure that his account will not be lost.
(3) Payment Shield is a physical security tool similar to USB flash drive. Its built-in micro smart card processor can block various risks and keep your account in a safe environment all the time. At present (20 15.06), the way to ensure e-mail security is digital certificate.
Uniqueness
(1) Alipay digital certificate gives corresponding access rights to network resources according to user identity.
(2) After applying for a digital certificate, if other computers log in to Alipay account without importing a digital certificate backup, they can only query the account and can't do anything, which means that you have a digital certificate similar to a "key", which enhances the security of the account.
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Baidu Encyclopedia-Digital Certificate