Digital Certificate Example

User id georgem has three certificates one of which is not associated with any key rings.

Digital certificate example. A digital certificate is issued by a certification authority ca. Examples of trusted ca across the world are verisign entrust etc. The certificate includes information about the key information about the identity of its owner called the subject and the digital signature of an entity that has verified the certificates contents called the issuer. Wikipedia explains that a certificate binds a public key to an identity.

Since certificate authorities are the ones in charge of issuing digital certificates think of them as the digital version of a passport office hackers often target these authorities in order to manipulate certificate information. Digital certificates are for sharing public keys to be used for encryption and authentication. Digital certificates make it possible for digital signatures to be used as a way to authenticate digital information. Digital certificates are integral to cryptographic systems that are based on publicprivate key pairs usually in the context of a pki scheme.

A digital certificate is necessary for a digital signature because it provides the public key that can be used to validate the private key that is associated with a digital signature. In 2011 for example a dutch digital certificate authority called diginotar was compromised by hackers. A digital certificate provides a link between a public key and an entity businessdomain name etc that has been verified signed by a trusted third party a certificate authority a digital certificate provides a convenient way of distributing trusted public encryption keys. In cryptography a public key certificate also known as a digital certificate or identity certificate is an electronic document used to prove the ownership of a public key.

Most digital certificates in use today follow what is known as the x509 standard. User racfadm with special authority requests the listing of user id georgems digital certificate information by issuing the racdcert command with the list operand. A digital certificate provides information about the identity of an entity. A digital certificate is a digital form of identification like a passport.

How digital certificates are used.