An X509 Certificate is a digital certificate that contains a public key for use in encryption or identification. An X509 certificate contains identity information about the certificate requestor and the encryption technology in establishing a private connection.
Inside an X509 certificate, the following information will be available:
- Serial Number
- Algorithm Information
- Issuer Name
- Validity period of the certificate
- Subject Name
- Public Key Information
An SSL certificate is a type of X.509 certificate and DigiCert root certificates support X.509 certificate functionality on several platforms which include, internet browsers, email clients, VPN clients, mobile devices and operating systems.
See below on a full range of DigiCert SSL products that is X.509 in nature:
SSL Plus Certificates
SSL Plus Certificates that secure a single-name, with and without the ‘www’ suffix
Extended Validation (EV) Certificates secure a single domain name and comes with an added feature of displaying the organization’s name on the address bar.
Multi-Domain (SAN) Certificates
Multi-Domain (SAN) certificates can secure up to 25 different domains. The base price includes 4 domains with the others to be purchased separately.
EV Multi-Domain Certificates
EV Multi-Domain Certificates secure up to 25 different domains with the green bar of assurance. Suitable for sites under the same company name.
Wildcard SSL Certificates
Wildcard SSL Certificates secure a domain and multiple sub-domains with no limitations.