translate English to French: Successful validation of your digital signature by appropriate software not only provides evidence that you approved the transaction or message, but also provides evidence that the data has not changed since you digitally signed it. A digital signature has nothing to do with a handwritten signature, although it can sometimes be used for similar legal purposes.
Certificat qu'un serveur présente à un client pour authentifier l'identité du serveur en utilisant le protocole SSL .