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The editor will share with you a detailed introduction to CA digital certificates. I hope you will gain a lot after reading this article. Let's discuss the methods together.

Netizens who know something about the Internet know that there is something called CA digital certificate in the process of Internet transmission. So, what is the CA digital certificate? CA digital certificate is issued by CA institution, and CA institution is an authoritative, fair and just third-party organization recognized by the state, its function is to verify whether the owner of digital certificate is legal, and to issue the certificate. Most of the SSL certificates and some other certificate signatures we see on the market are issued by CA institutions.

What is a CA digital certificate?

In simple terms, CA digital certificates are two keys: a public key and a private key. Any of us can use related tools to generate CA digital certificates to encrypt our own files or protect our web addresses. Here, take the SSL certificate as an example. Suppose there is a person who deploys a SSL digital certificate for his own URL, which is equivalent to deploying two keys. One is used to encrypt the information when passing it, called the public key, and the other is the password needed to obtain the encrypted information, that is, the private key. These two keys are the mechanism of CA digital certificate.

What are the types of CA digital certificates?

CA digital certificates can be roughly divided into three types: EV, OV and DV certificates.

CA digital certificates are also often used as root certificates. What does this mean? For example, an authoritative CA institution issues an CA digital certificate to an organization, based on the certificate issued by this CA institution. If the organization also trusts the certificate issued by this CA institution to other organizations, then its other organizations can take the first issued CA digital certificate as the center, issue the next level certificate, and then there will be many CA digital certificates. The original CA digital certificate is called the root certificate.

What is a CA digital certificate? I believe you all have a general understanding of its mechanism after reading the above content. In fact, CA digital certificate has many wonderful features, but these need to be carefully observed, pondered and studied!

After reading this article, I believe you have a certain understanding of the detailed introduction of CA digital certificate, want to know more about it, welcome to follow the industry information channel, thank you for your reading!

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