WHAT IS A DIGITAL CERTIFICATE ?

A digital code that can be attached to an electronically transmitted message that uniquely identifies the sender. Like a written signature, the purpose of a digital signature is to guarantee that the individual sending the message really is who he or she claims to be.


Digital signatures are especially important for electronic commerce and are a key component of most authentication schemes.


Digital Certificates facilitate the public key exchange that is required to enable an SSL connection.


Digital certificate can be issued by any Certificate Authority, most web browsers contain a list of trusted CAs, such as VeriSign or Thawte. Both the client and server gets their digital certificates to authenticate them self.

DIGITAL CERTIFICATE DIAGRAM