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An example of a wildcard certificate on comifuro.net (note the asterisk: *) A public key certificate which uses an asterisk * (the wildcard) in its domain name fragment is called a Wildcard certificate. Through the use of *, a single certificate may be used for multiple sub-domains.
ACME v2 is not backwards compatible with v1. Version 2 supports wildcard domains, such as *.example.com, allowing for many subdomains to have trusted TLS, e.g. https://cluster01.example.com, https://cluster02.example.com, https://example.com, on private networks under a single domain using a single shared "wildcard" certificate. [12]
Example of a DigiCert issued wildcard certificate for *.wikipedia.org DigiCert was founded by Ken Bretschneider in 2003 and sold in 2012. [ 2 ] [ 3 ] [ 4 ] Bretschneider stepped down from the position of CEO to retain business strategy oversight as executive board chairman while Nicholas Hales became CEO.
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. EV certificates can be used in the same manner as any other X.509 certificates, including securing web communications with HTTPS and signing software ...
Site Finder was a wildcard DNS record for all .com and .net unregistered domain names, run by .com and .net top-level domain operator VeriSign between 15 September 2003 and 4 October 2003. [ 1 ] Site Finder
Verisign, Inc. is an American company based in Reston, Virginia, that operates a diverse array of network infrastructure, including two of the Internet's thirteen root nameservers, the authoritative registry for the .com, .net, and .name generic top-level domains and the .cc country-code top-level domains, and the back-end systems for the .jobs and .edu sponsored top-level domains.
RFC 5280 defines self-signed certificates as "self-issued certificates where the digital signature may be verified by the public key bound into the certificate" [7] whereas a self-issued certificate is a certificate "in which the issuer and subject are the same entity". While in the strict sense the RFC makes this definition only for CA ...
A notable case of CA subversion like this occurred in 2001, when the certificate authority VeriSign issued two certificates to a person claiming to represent Microsoft. The certificates have the name "Microsoft Corporation", so they could be used to spoof someone into believing that updates to Microsoft software came from Microsoft when they ...