Digital certificate

A digital signature is a mechanism that is used to verify that a particular digital document, message or transaction is authentic. A digital certificate is a computer file which officially approves the relation between the holder of the certificate and a particular public key. Digital signatures are used to verify the trustworthiness of the data being sent Digital certificates are used to verify the trustworthiness of the sender. Digital signature is to ensure that a data remain secure from the point it was issuedand it was not modified by a third party.

Digital certificate binds a digital signature to an entity It provides authentication, non-repudiation and integrity It provides authentication and security. A digital signature is created using a Digital