self-signed

Instead of simply generating a certificate oneself (called a "self-signed certificate"), one instead pays some money to a Certificate Authority (CA) and has it generate the certificate.

Ars Technica Peter Bright 2011

Too often, these users encrypted files but did not back up their self-signed digital certificates, which frequently led to unrecoverable data loss.

The InfoWorld expert guide to Windows 7 security Roger A. Grimes 2010

With Windows 7, administrators can still allow self-signed EFS keys, while mandating ciphers and minimum key lengths.

The InfoWorld expert guide to Windows 7 security Roger A. Grimes 2010

Previously, users could easily turn on EFS, which generated a self-signed EFS digital certificate if a compatible PKI server could not be found.

The InfoWorld expert guide to Windows 7 security Roger A. Grimes 2010

Administrators will be happy to know that they can prevent users from creating self-signed EFS keys.

The InfoWorld expert guide to Windows 7 security Roger A. Grimes 2010

The certificate is not trusted because it is self-signed.

It's always the third goddamn reviewer that screws us over EliRabett 2010

The only quirk is that I can't use Firefox 3 at work, due to some certificate problem with a vendor's self-signed certificate.

Yay, upgraded! magnio 2008

Ferrari, a warrant self-signed, for his own execution!

Vendetta: a story of one forgotten Marie Corelli 1889

As with Microsoft WebMatrix, you will get a warning from IE about the self-signed certificate when you browse the test site.

Site Home DEvHammer 2011

Click the https: link next to the checkbox, and the site will open in IE, with a warning about the certificate…this is due to the self-signed nature of the certificate IIS Express uses…click Continue…:

Site Home DEvHammer 2011