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This article mainly introduces what is a digital certificate, what is the role, the sample code introduced in this article is very detailed, has a certain reference value, interested friends must read it!

What is a digital certificate? How does a digital certificate work?

As a kind of virtual certificate, digital certificate plays a vital role in the transmission process of the Internet. People all know that under the action of digital certificate, our information privacy has been protected, but for the concept of digital certificate, I believe most of them are still poorly understood. Next, the editor will introduce what the digital certificate is and the principle of the function of the digital certificate.

What is a digital certificate? Literally, a digital certificate is a certificate that exists in the digital information of the Internet. In fact, the concept of digital certificate is equivalent to the business license in real life. We take the SSL digital certificate (what is the SSL digital certificate) as an example, this kind of digital certificate acts on the URL site, and the URL that deploys the SSL certificate is equivalent to being certified by a professional authority, which shows that the website is secure. After the role of SSL digital certificate, the prefix of the URL will be converted from http to https. After confirming that the website has deployed a SSL digital certificate, users can rest assured and boldly browse this URL.

What is the principle of the function of digital certificate? Is the digital certificate just put on the website as a certificate? Actually, it's not. Take the SSL certificate as an example. After the SSL certificate is deployed, the website is allocated with two keys: one is the public key, which can add a lock to the incoming information, and the other is the private key, which is used to decipher the lock added by the public key in reading the information. The joint action of these two keys makes the third party can not easily crack the intercepted information, but also ensures the security of customer information.

I believe that through the reading of the above content, you should also have a general understanding of what the digital certificate is and the mechanism of the function of the digital certificate. The role of digital certificates is certainly not only mentioned above, there are more new functions waiting for you to discover!

The above is what is the digital certificate, what is the role of all the content, thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!

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