Digital certificate is an authoritative electronic document, which can be issued by an authoritative and impartial third-party organization, namely CA (for example, CA companies all over China) centers or enterprise-level CA systems.
Its encryption technology based on digital certificate (encryption transmission, digital signature, digital envelope and other security technologies) can encrypt and decrypt the information transmitted on the network, and digitally sign and verify the signature, thus ensuring the confidentiality and integrity of the information transmitted on the network and the undeniable nature of the transaction. With a digital certificate, even if the information you send is intercepted by others online, or even if you lose your personal account, password and other information, you can still ensure the security of your account and funds.
It is an authoritative electronic document, which can provide authentication on the Internet. People can use it to prove their identity and identify each other in Internet communication. Of course, CA, as an authoritative, fair and reliable third party, plays an important role in the process of digital certificate authentication. How to judge whether the status of a fair third party in a digital authentication center is authoritative and credible? As of March 20 1 1, 2065438, the Ministry of Industry and Information Technology has successively awarded vocational qualifications to more than 30 relevant institutions in a qualified and compliant manner.
Due to the technology of Internet e-commerce system, customers can easily get the information of merchants and enterprises when shopping online, but at the same time, it also increases the risk of abusing some sensitive or valuable data. In order to ensure the security and confidentiality of online electronic transactions and payments, and prevent fraud in the process of transactions and payments, it is necessary to establish a trust mechanism on the Internet. This requires that both buyers and sellers involved in e-commerce must have legal identities and can be effectively and correctly verified online.
Digital certificates can be used for secure electronic transaction processing and secure electronic transaction activities, such as sending secure emails, visiting secure websites, online securities trading, online bidding and purchasing, online office, online insurance, online taxation, online signing and online banking.