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DigiCert, Inc. is a digital security company headquartered in Lehi, Utah. [1] DigiCert provides public key infrastructure (PKI) and validation required for issuing digital certificates or TLS/SSL certificates, acting as a certificate authority (CA) and trusted third party .
For natural persons: at least the name of the person to whom the certificate has been issued, or a pseudonym. If a pseudonym is used, it shall be clearly indicated. For legal persons: at least the name of the legal person to whom the certificate is issued and, where applicable, the registration number as stated in the official records.
A web browser will give no warning to the user if a web site suddenly presents a different certificate, even if that certificate has a lower number of key bits, even if it has a different provider, and even if the previous certificate had an expiry date far into the future.
An example of Extended Validation Certificate, issued by GlobalSign. An Extended Validation (EV) Certificate is a certificate conforming to X.509 that proves the legal entity of the owner and is signed by a certificate authority key that can issue EV certificates.
The first part, ASN.1 type CertificationRequestInfo, consists of a version number (which is 0 for all known versions, 1.0, 1.5, and 1.7 of the specifications), the subject name, the public key (algorithm identifier + bit string), and a collection of attributes providing additional information about the subject of the certificate. The attributes ...
In 2012, they submitted the first draft of the standard to IETF under the code-name "Sunlight". [20] In March 2013, Google launched its first certificate transparency log. [21] In June 2013, RFC 6962 "Certificate Transparency" was published, based on the 2012 draft.
The group was founded in February 2013 with the seven largest certificate authorities, issuers of SSL certificates — Comodo, Symantec, [1] Trend Micro, DigiCert, Entrust, [2] GlobalSign [3] and GoDaddy.
In 2020, according to independent survey company Netcraft, "DigiCert is the world's largest high-assurance certificate authority, commanding 60% of the Extended Validation Certificate market, and 96% of organization-validated certificates globally. [17]