<p class="shortdesc"></p> <p class="p"><strong class="ph b">Digital Certificate</strong></p> <p class="p">A digital certificate is a small computer file digitally signed by the Certificate Authority (CA) Center. It contains the information of the owner and his or her public key. A digital certificate contains a public key, a certificate name, a digital signature of the CA Center and the expiration date.</p> <p class="p"><strong class="ph b">SSL Certificate</strong></p> <p class="p">An SSL certificate is a server digital certificate. It complies with the Secure Sockets Layer (SSL) protocol. An SSL digital certificate is issued by the "trusted root certification authority" in the browser after verifying the identity of the server. The certificate has the dual functions of website authentication and encrypted transmission.</p> <p class="p"><strong class="ph b">Certificate Authority (CA) </strong></p> <p class="p">A CA is a certificate authority or a certificate issuing authority. As a trusted third party in e-commerce transactions, a CA bears the responsibility of checking the legality of the public key in the public key system.</p> <p class="p"><strong class="ph b">Root Certificate</strong></p> <p class="p">A root certificate is the certificate issued by a CA and is the starting point of the certificate trust chain. Installing a root certificate means you trust this CA.</p> <p class="p"> <strong class="ph b">GeoTrust</strong></p> <p class="p">GeoTrust is the world’s second largest digital certificate provider and a leading identity and trust authentication authority. It adopts advanced technologies to enable organizations and companies of any size to deploy SSL digital certificates and implement various identity authentication safely and at low cost. GeoTrust includes four types of certificates: DV Baic, DV Professional, OV Enterprise, and OV Supreme.</p> <p class="p"> <strong class="ph b">Symantec </strong></p> <p class="p">Symantec is the world's largest digital certification authority and has world's most trustworthy SSL certificate brand. All certificates use industry-leading encryption technologies to provide security solutions for different websites and servers. Symantec includes four types of certificates: OV Enterprise, OV Enterprise Enhanced, EV Supreme, and EV Supreme Enhanced.</p>