[Difference] SSL certificate OV, DV and EV are three types of certificates

The following small series issued by SSL shield [shield] www.ssldun.com certificate of safe and secure website security

About https certificate

ca https protocol needs to apply for a certificate, the certificate is generally free little need to pay. And free of insecurity
http hypertext transfer protocol, information is transmitted in the clear, https is encrypted with a security ssl transfer protocol.
http and https use is completely different connections, with the port are not the same, the former is 80, which is 443.
http connection is very simple, is stateless; is constructed by the HTTPS protocol SSL + HTTP encrypted transmission protocol, a network authentication protocol, the http protocol than security.
At present, most sites are forgetting turn on https, Chrome will also https as the default browser connection, if the site is not using https, it would appear! Identity.

Therefore, the implementation of https is the trend of the Internet industry.

certificate

The current mainstream SSL certificate is divided into DV SSL, OV SSL, EV SSL

SSL DV
DV SSL Certificate is only a simple site to verify ownership of the domain name (grade Class 1) SSL certificates can be issued 10 minutes fast, can play the role of encrypted transmission, but can not prove the true identity of the site to the user.

Free certificate currently available in the market are of this type, but provides encryption of the data, but to provide a certificate of identity of individuals and institutions not verified.
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OV SSL
OV SSL to provide encryption, the applicant made a rigorous identity verification audit, provide credible ××× out.

And DV SSL difference is that, OV SSL provides a review of the individual or institution can confirm each other's identity, and more secure.
So this part of the certificate request - for a fee **

EV SSL
ultra-safe = EV = safest, most ultra-strict security EV SSL Certificates to follow the strict authentication global harmonization of standards, is the industry's highest level of security the top (grade Class 4) SSL certificates.

Financial securities, banking, third-party payment, online store, etc., with emphasis on site security, credible corporate image of the website, the transaction involving transfer payments, private customer information and account passwords.

Verify this part of the most demanding, the application fee is also the most expensive.

Common certificate authority
Symantec (Symantec) is a leading provider of SSL / TLS certificates of
China Financial Certification Authority (CFCA) Global Trust SSL Certificates
GeoTrust is the world's second largest digital certificate authority
Comodo is a dependable and cheaper