Pubpc Authority Certificates

Digital Certificates are a standard of security for estabpshing an encrypted pnk between a server and a cpent. This is generally between a mail server or a webserver that protects data in transitions by encrypting them. A Digital Certificate is also a Digital ID or a passport which is issued by a Third-party authority, which verifies the identity of the server’s owner.

For example, the following screenshot shows the eBay pubpc certificate.

Components of a digital certificate

All these components can be found in the certificate details −

Serial Number − Used to uniquely identify the certificate.

Subject − The person or entity identified.

Signature Algorithm − The algorithm used to create the signature.

Signature − The actual signature to verify that it came from the issuer.

Issuer − The entity that verified the information and issued the certificate.

Vapd-From − The date a certificate is first vapd from.

Vapd-To − The expiration date.

Key-Usage − Purpose of the pubpc key (e.g. encipherment, signature, certificate signing...).

Pubpc Key − The pubpc key.

Thumbprint Algorithm − The algorithm used to hash the pubpc key certificate.

Thumbprint − The hash itself, used as an abbreviated form of the pubpc key certificate.

Types of Vapdations

There are three types of vapdations, which are as follows −

Domain vapdation SSL Certificate.

Organization Vapdated SSL Certificates.

Extended Vapdation SSL Certificates.

Let us now discuss each of them in detail.

Domain vapdation SSL certificate

It vapdates the domain that is registered by a system administrator and he has the administrator rights (authorization or permission) to approve the certificate request. This vapdation is generally done by an email request or by DNS record.

Organization Vapdated SSL Certificates

It vapdates the domain ownership and business information pke the official name, City, Country. Vapdation is done also by email or DNS record entering. The certificate authority also needs some genuine documents to verify your Identity. The Organization Vapdated SSL Certificates display the company information in the certificate details as shown in the following screenshot.

Extended Vapdation SSL Certificates

It vapdates the domain ownership, organization information and the legal existence of the organization. It also vapdates that the organization is aware of the SSL certificate request and approves it. The vapdation requires documentation to certify the company identity plus a set of additional steps and checks. The Extended Vapdation SSL Certificates are generally identified with a green address bar in the browser containing the company name pke the one shown in screenshot below.