What do you like to request?
- Server certificate
Such certificates are used to identify themselves mainly by WWW servers with addresses starting with https:// in place of http://, but also by e-mail servers and other servers to which you can establish an encrypted connection secured with Transport Level Security (TLS, formerly SSL).
- Person certificate
Such certificates are issued to natural persons and used mainly for electronic signing and encrypting e-mails with S/MIME, but also to identify oneself to WWW applications and much more. All modern e-mail programs support S/MIME.
- Group certificate
Such certificates do not belong to a natural person but to a certain group of persons and are often used for e-mail addresses of institutes and similar purposes.
- Functionary certificate
Such certificates belong to a natural person in performance of his duties as an official or functionary, e. g. to a dean, and are passed to the successor when leaving.
- Smartcard logon certificate
Such certificates are person or group certificates used not for e-mails but on a smartcard or a cryptotoken as an electronical identity card for logging on to a computer system or as an electronic key.
- Software developer certificate
Such certificates are person or group certificates used not for e-mails or electronic identification but for electronical signing of software, to allow for an automatic authenticity check when installing the software.
- Revocation of a certificate
In certain cases certificate holders are obliged to have a certificate blocked (revoked):
The certificate contains details that are no longer valid, e. g. after a change of name.
The private key or its passphrase/PIN have been lost, stolen, disclosed or otherwise compromised or abused.
The holder is no longer entitled to use the certificate.